/* Merged Plone Javascript file
 * This file is dynamically assembled from separate parts.
 * Some of these parts have 3rd party licenses or copyright information attached
 * Such information is valid for that section,
 * not for the entire composite file
 * originating files are separated by - filename.js -
 */

/* - ++resource++collective.dynatree/underscore.js - */
//     Underscore.js 1.1.7
//     (c) 2011 Jeremy Ashkenas, DocumentCloud Inc.
//     Underscore is freely distributable under the MIT license.
//     Portions of Underscore are inspired or borrowed from Prototype,
//     Oliver Steele's Functional, and John Resig's Micro-Templating.
//     For all details and documentation:
//     http://documentcloud.github.com/underscore
(function() {

  // Baseline setup
  // --------------

  // Establish the root object, `window` in the browser, or `global` on the server.
  var root = this;

  // Save the previous value of the `_` variable.
  var previousUnderscore = root._;

  // Establish the object that gets returned to break out of a loop iteration.
  var breaker = {};

  // Save bytes in the minified (but not gzipped) version:
  var ArrayProto = Array.prototype, ObjProto = Object.prototype, FuncProto = Function.prototype;

  // Create quick reference variables for speed access to core prototypes.
  var slice            = ArrayProto.slice,
      unshift          = ArrayProto.unshift,
      toString         = ObjProto.toString,
      hasOwnProperty   = ObjProto.hasOwnProperty;

  // All **ECMAScript 5** native function implementations that we hope to use
  // are declared here.
  var
    nativeForEach      = ArrayProto.forEach,
    nativeMap          = ArrayProto.map,
    nativeReduce       = ArrayProto.reduce,
    nativeReduceRight  = ArrayProto.reduceRight,
    nativeFilter       = ArrayProto.filter,
    nativeEvery        = ArrayProto.every,
    nativeSome         = ArrayProto.some,
    nativeIndexOf      = ArrayProto.indexOf,
    nativeLastIndexOf  = ArrayProto.lastIndexOf,
    nativeIsArray      = Array.isArray,
    nativeKeys         = Object.keys,
    nativeBind         = FuncProto.bind;

  // Create a safe reference to the Underscore object for use below.
  var _ = function(obj) { return new wrapper(obj); };

  // Export the Underscore object for **CommonJS**, with backwards-compatibility
  // for the old `require()` API. If we're not in CommonJS, add `_` to the
  // global object.
  if (typeof module !== 'undefined' && module.exports) {
    module.exports = _;
    _._ = _;
  } else {
    // Exported as a string, for Closure Compiler "advanced" mode.
    root['_'] = _;
  }

  // Current version.
  _.VERSION = '1.1.7';

  // Collection Functions
  // --------------------

  // The cornerstone, an `each` implementation, aka `forEach`.
  // Handles objects with the built-in `forEach`, arrays, and raw objects.
  // Delegates to **ECMAScript 5**'s native `forEach` if available.
  var each = _.each = _.forEach = function(obj, iterator, context) {
    if (obj == null) return;
    if (nativeForEach && obj.forEach === nativeForEach) {
      obj.forEach(iterator, context);
    } else if (obj.length === +obj.length) {
      for (var i = 0, l = obj.length; i < l; i++) {
        if (i in obj && iterator.call(context, obj[i], i, obj) === breaker) return;
      }
    } else {
      for (var key in obj) {
        if (hasOwnProperty.call(obj, key)) {
          if (iterator.call(context, obj[key], key, obj) === breaker) return;
        }
      }
    }
  };

  // Return the results of applying the iterator to each element.
  // Delegates to **ECMAScript 5**'s native `map` if available.
  _.map = function(obj, iterator, context) {
    var results = [];
    if (obj == null) return results;
    if (nativeMap && obj.map === nativeMap) return obj.map(iterator, context);
    each(obj, function(value, index, list) {
      results[results.length] = iterator.call(context, value, index, list);
    });
    return results;
  };

  // **Reduce** builds up a single result from a list of values, aka `inject`,
  // or `foldl`. Delegates to **ECMAScript 5**'s native `reduce` if available.
  _.reduce = _.foldl = _.inject = function(obj, iterator, memo, context) {
    var initial = memo !== void 0;
    if (obj == null) obj = [];
    if (nativeReduce && obj.reduce === nativeReduce) {
      if (context) iterator = _.bind(iterator, context);
      return initial ? obj.reduce(iterator, memo) : obj.reduce(iterator);
    }
    each(obj, function(value, index, list) {
      if (!initial) {
        memo = value;
        initial = true;
      } else {
        memo = iterator.call(context, memo, value, index, list);
      }
    });
    if (!initial) throw new TypeError("Reduce of empty array with no initial value");
    return memo;
  };

  // The right-associative version of reduce, also known as `foldr`.
  // Delegates to **ECMAScript 5**'s native `reduceRight` if available.
  _.reduceRight = _.foldr = function(obj, iterator, memo, context) {
    if (obj == null) obj = [];
    if (nativeReduceRight && obj.reduceRight === nativeReduceRight) {
      if (context) iterator = _.bind(iterator, context);
      return memo !== void 0 ? obj.reduceRight(iterator, memo) : obj.reduceRight(iterator);
    }
    var reversed = (_.isArray(obj) ? obj.slice() : _.toArray(obj)).reverse();
    return _.reduce(reversed, iterator, memo, context);
  };

  // Return the first value which passes a truth test. Aliased as `detect`.
  _.find = _.detect = function(obj, iterator, context) {
    var result;
    any(obj, function(value, index, list) {
      if (iterator.call(context, value, index, list)) {
        result = value;
        return true;
      }
    });
    return result;
  };

  // Return all the elements that pass a truth test.
  // Delegates to **ECMAScript 5**'s native `filter` if available.
  // Aliased as `select`.
  _.filter = _.select = function(obj, iterator, context) {
    var results = [];
    if (obj == null) return results;
    if (nativeFilter && obj.filter === nativeFilter) return obj.filter(iterator, context);
    each(obj, function(value, index, list) {
      if (iterator.call(context, value, index, list)) results[results.length] = value;
    });
    return results;
  };

  // Return all the elements for which a truth test fails.
  _.reject = function(obj, iterator, context) {
    var results = [];
    if (obj == null) return results;
    each(obj, function(value, index, list) {
      if (!iterator.call(context, value, index, list)) results[results.length] = value;
    });
    return results;
  };

  // Determine whether all of the elements match a truth test.
  // Delegates to **ECMAScript 5**'s native `every` if available.
  // Aliased as `all`.
  _.every = _.all = function(obj, iterator, context) {
    var result = true;
    if (obj == null) return result;
    if (nativeEvery && obj.every === nativeEvery) return obj.every(iterator, context);
    each(obj, function(value, index, list) {
      if (!(result = result && iterator.call(context, value, index, list))) return breaker;
    });
    return result;
  };

  // Determine if at least one element in the object matches a truth test.
  // Delegates to **ECMAScript 5**'s native `some` if available.
  // Aliased as `any`.
  var any = _.some = _.any = function(obj, iterator, context) {
    iterator = iterator || _.identity;
    var result = false;
    if (obj == null) return result;
    if (nativeSome && obj.some === nativeSome) return obj.some(iterator, context);
    each(obj, function(value, index, list) {
      if (result |= iterator.call(context, value, index, list)) return breaker;
    });
    return !!result;
  };

  // Determine if a given value is included in the array or object using `===`.
  // Aliased as `contains`.
  _.include = _.contains = function(obj, target) {
    var found = false;
    if (obj == null) return found;
    if (nativeIndexOf && obj.indexOf === nativeIndexOf) return obj.indexOf(target) != -1;
    any(obj, function(value) {
      if (found = value === target) return true;
    });
    return found;
  };

  // Invoke a method (with arguments) on every item in a collection.
  _.invoke = function(obj, method) {
    var args = slice.call(arguments, 2);
    return _.map(obj, function(value) {
      return (method.call ? method || value : value[method]).apply(value, args);
    });
  };

  // Convenience version of a common use case of `map`: fetching a property.
  _.pluck = function(obj, key) {
    return _.map(obj, function(value){ return value[key]; });
  };

  // Return the maximum element or (element-based computation).
  _.max = function(obj, iterator, context) {
    if (!iterator && _.isArray(obj)) return Math.max.apply(Math, obj);
    var result = {computed : -Infinity};
    each(obj, function(value, index, list) {
      var computed = iterator ? iterator.call(context, value, index, list) : value;
      computed >= result.computed && (result = {value : value, computed : computed});
    });
    return result.value;
  };

  // Return the minimum element (or element-based computation).
  _.min = function(obj, iterator, context) {
    if (!iterator && _.isArray(obj)) return Math.min.apply(Math, obj);
    var result = {computed : Infinity};
    each(obj, function(value, index, list) {
      var computed = iterator ? iterator.call(context, value, index, list) : value;
      computed < result.computed && (result = {value : value, computed : computed});
    });
    return result.value;
  };

  // Sort the object's values by a criterion produced by an iterator.
  _.sortBy = function(obj, iterator, context) {
    return _.pluck(_.map(obj, function(value, index, list) {
      return {
        value : value,
        criteria : iterator.call(context, value, index, list)
      };
    }).sort(function(left, right) {
      var a = left.criteria, b = right.criteria;
      return a < b ? -1 : a > b ? 1 : 0;
    }), 'value');
  };

  // Groups the object's values by a criterion produced by an iterator
  _.groupBy = function(obj, iterator) {
    var result = {};
    each(obj, function(value, index) {
      var key = iterator(value, index);
      (result[key] || (result[key] = [])).push(value);
    });
    return result;
  };

  // Use a comparator function to figure out at what index an object should
  // be inserted so as to maintain order. Uses binary search.
  _.sortedIndex = function(array, obj, iterator) {
    iterator || (iterator = _.identity);
    var low = 0, high = array.length;
    while (low < high) {
      var mid = (low + high) >> 1;
      iterator(array[mid]) < iterator(obj) ? low = mid + 1 : high = mid;
    }
    return low;
  };

  // Safely convert anything iterable into a real, live array.
  _.toArray = function(iterable) {
    if (!iterable)                return [];
    if (iterable.toArray)         return iterable.toArray();
    if (_.isArray(iterable))      return slice.call(iterable);
    if (_.isArguments(iterable))  return slice.call(iterable);
    return _.values(iterable);
  };

  // Return the number of elements in an object.
  _.size = function(obj) {
    return _.toArray(obj).length;
  };

  // Array Functions
  // ---------------

  // Get the first element of an array. Passing **n** will return the first N
  // values in the array. Aliased as `head`. The **guard** check allows it to work
  // with `_.map`.
  _.first = _.head = function(array, n, guard) {
    return (n != null) && !guard ? slice.call(array, 0, n) : array[0];
  };

  // Returns everything but the first entry of the array. Aliased as `tail`.
  // Especially useful on the arguments object. Passing an **index** will return
  // the rest of the values in the array from that index onward. The **guard**
  // check allows it to work with `_.map`.
  _.rest = _.tail = function(array, index, guard) {
    return slice.call(array, (index == null) || guard ? 1 : index);
  };

  // Get the last element of an array.
  _.last = function(array) {
    return array[array.length - 1];
  };

  // Trim out all falsy values from an array.
  _.compact = function(array) {
    return _.filter(array, function(value){ return !!value; });
  };

  // Return a completely flattened version of an array.
  _.flatten = function(array) {
    return _.reduce(array, function(memo, value) {
      if (_.isArray(value)) return memo.concat(_.flatten(value));
      memo[memo.length] = value;
      return memo;
    }, []);
  };

  // Return a version of the array that does not contain the specified value(s).
  _.without = function(array) {
    return _.difference(array, slice.call(arguments, 1));
  };

  // Produce a duplicate-free version of the array. If the array has already
  // been sorted, you have the option of using a faster algorithm.
  // Aliased as `unique`.
  _.uniq = _.unique = function(array, isSorted) {
    return _.reduce(array, function(memo, el, i) {
      if (0 == i || (isSorted === true ? _.last(memo) != el : !_.include(memo, el))) memo[memo.length] = el;
      return memo;
    }, []);
  };

  // Produce an array that contains the union: each distinct element from all of
  // the passed-in arrays.
  _.union = function() {
    return _.uniq(_.flatten(arguments));
  };

  // Produce an array that contains every item shared between all the
  // passed-in arrays. (Aliased as "intersect" for back-compat.)
  _.intersection = _.intersect = function(array) {
    var rest = slice.call(arguments, 1);
    return _.filter(_.uniq(array), function(item) {
      return _.every(rest, function(other) {
        return _.indexOf(other, item) >= 0;
      });
    });
  };

  // Take the difference between one array and another.
  // Only the elements present in just the first array will remain.
  _.difference = function(array, other) {
    return _.filter(array, function(value){ return !_.include(other, value); });
  };

  // Zip together multiple lists into a single array -- elements that share
  // an index go together.
  _.zip = function() {
    var args = slice.call(arguments);
    var length = _.max(_.pluck(args, 'length'));
    var results = new Array(length);
    for (var i = 0; i < length; i++) results[i] = _.pluck(args, "" + i);
    return results;
  };

  // If the browser doesn't supply us with indexOf (I'm looking at you, **MSIE**),
  // we need this function. Return the position of the first occurrence of an
  // item in an array, or -1 if the item is not included in the array.
  // Delegates to **ECMAScript 5**'s native `indexOf` if available.
  // If the array is large and already in sort order, pass `true`
  // for **isSorted** to use binary search.
  _.indexOf = function(array, item, isSorted) {
    if (array == null) return -1;
    var i, l;
    if (isSorted) {
      i = _.sortedIndex(array, item);
      return array[i] === item ? i : -1;
    }
    if (nativeIndexOf && array.indexOf === nativeIndexOf) return array.indexOf(item);
    for (i = 0, l = array.length; i < l; i++) if (array[i] === item) return i;
    return -1;
  };


  // Delegates to **ECMAScript 5**'s native `lastIndexOf` if available.
  _.lastIndexOf = function(array, item) {
    if (array == null) return -1;
    if (nativeLastIndexOf && array.lastIndexOf === nativeLastIndexOf) return array.lastIndexOf(item);
    var i = array.length;
    while (i--) if (array[i] === item) return i;
    return -1;
  };

  // Generate an integer Array containing an arithmetic progression. A port of
  // the native Python `range()` function. See
  // [the Python documentation](http://docs.python.org/library/functions.html#range).
  _.range = function(start, stop, step) {
    if (arguments.length <= 1) {
      stop = start || 0;
      start = 0;
    }
    step = arguments[2] || 1;

    var len = Math.max(Math.ceil((stop - start) / step), 0);
    var idx = 0;
    var range = new Array(len);

    while(idx < len) {
      range[idx++] = start;
      start += step;
    }

    return range;
  };

  // Function (ahem) Functions
  // ------------------

  // Create a function bound to a given object (assigning `this`, and arguments,
  // optionally). Binding with arguments is also known as `curry`.
  // Delegates to **ECMAScript 5**'s native `Function.bind` if available.
  // We check for `func.bind` first, to fail fast when `func` is undefined.
  _.bind = function(func, obj) {
    if (func.bind === nativeBind && nativeBind) return nativeBind.apply(func, slice.call(arguments, 1));
    var args = slice.call(arguments, 2);
    return function() {
      return func.apply(obj, args.concat(slice.call(arguments)));
    };
  };

  // Bind all of an object's methods to that object. Useful for ensuring that
  // all callbacks defined on an object belong to it.
  _.bindAll = function(obj) {
    var funcs = slice.call(arguments, 1);
    if (funcs.length == 0) funcs = _.functions(obj);
    each(funcs, function(f) { obj[f] = _.bind(obj[f], obj); });
    return obj;
  };

  // Memoize an expensive function by storing its results.
  _.memoize = function(func, hasher) {
    var memo = {};
    hasher || (hasher = _.identity);
    return function() {
      var key = hasher.apply(this, arguments);
      return hasOwnProperty.call(memo, key) ? memo[key] : (memo[key] = func.apply(this, arguments));
    };
  };

  // Delays a function for the given number of milliseconds, and then calls
  // it with the arguments supplied.
  _.delay = function(func, wait) {
    var args = slice.call(arguments, 2);
    return setTimeout(function(){ return func.apply(func, args); }, wait);
  };

  // Defers a function, scheduling it to run after the current call stack has
  // cleared.
  _.defer = function(func) {
    return _.delay.apply(_, [func, 1].concat(slice.call(arguments, 1)));
  };

  // Internal function used to implement `_.throttle` and `_.debounce`.
  var limit = function(func, wait, debounce) {
    var timeout;
    return function() {
      var context = this, args = arguments;
      var throttler = function() {
        timeout = null;
        func.apply(context, args);
      };
      if (debounce) clearTimeout(timeout);
      if (debounce || !timeout) timeout = setTimeout(throttler, wait);
    };
  };

  // Returns a function, that, when invoked, will only be triggered at most once
  // during a given window of time.
  _.throttle = function(func, wait) {
    return limit(func, wait, false);
  };

  // Returns a function, that, as long as it continues to be invoked, will not
  // be triggered. The function will be called after it stops being called for
  // N milliseconds.
  _.debounce = function(func, wait) {
    return limit(func, wait, true);
  };

  // Returns a function that will be executed at most one time, no matter how
  // often you call it. Useful for lazy initialization.
  _.once = function(func) {
    var ran = false, memo;
    return function() {
      if (ran) return memo;
      ran = true;
      return memo = func.apply(this, arguments);
    };
  };

  // Returns the first function passed as an argument to the second,
  // allowing you to adjust arguments, run code before and after, and
  // conditionally execute the original function.
  _.wrap = function(func, wrapper) {
    return function() {
      var args = [func].concat(slice.call(arguments));
      return wrapper.apply(this, args);
    };
  };

  // Returns a function that is the composition of a list of functions, each
  // consuming the return value of the function that follows.
  _.compose = function() {
    var funcs = slice.call(arguments);
    return function() {
      var args = slice.call(arguments);
      for (var i = funcs.length - 1; i >= 0; i--) {
        args = [funcs[i].apply(this, args)];
      }
      return args[0];
    };
  };

  // Returns a function that will only be executed after being called N times.
  _.after = function(times, func) {
    return function() {
      if (--times < 1) { return func.apply(this, arguments); }
    };
  };


  // Object Functions
  // ----------------

  // Retrieve the names of an object's properties.
  // Delegates to **ECMAScript 5**'s native `Object.keys`
  _.keys = nativeKeys || function(obj) {
    if (obj !== Object(obj)) throw new TypeError('Invalid object');
    var keys = [];
    for (var key in obj) if (hasOwnProperty.call(obj, key)) keys[keys.length] = key;
    return keys;
  };

  // Retrieve the values of an object's properties.
  _.values = function(obj) {
    return _.map(obj, _.identity);
  };

  // Return a sorted list of the function names available on the object.
  // Aliased as `methods`
  _.functions = _.methods = function(obj) {
    var names = [];
    for (var key in obj) {
      if (_.isFunction(obj[key])) names.push(key);
    }
    return names.sort();
  };

  // Extend a given object with all the properties in passed-in object(s).
  _.extend = function(obj) {
    each(slice.call(arguments, 1), function(source) {
      for (var prop in source) {
        if (source[prop] !== void 0) obj[prop] = source[prop];
      }
    });
    return obj;
  };

  // Fill in a given object with default properties.
  _.defaults = function(obj) {
    each(slice.call(arguments, 1), function(source) {
      for (var prop in source) {
        if (obj[prop] == null) obj[prop] = source[prop];
      }
    });
    return obj;
  };

  // Create a (shallow-cloned) duplicate of an object.
  _.clone = function(obj) {
    return _.isArray(obj) ? obj.slice() : _.extend({}, obj);
  };

  // Invokes interceptor with the obj, and then returns obj.
  // The primary purpose of this method is to "tap into" a method chain, in
  // order to perform operations on intermediate results within the chain.
  _.tap = function(obj, interceptor) {
    interceptor(obj);
    return obj;
  };

  // Perform a deep comparison to check if two objects are equal.
  _.isEqual = function(a, b) {
    // Check object identity.
    if (a === b) return true;
    // Different types?
    var atype = typeof(a), btype = typeof(b);
    if (atype != btype) return false;
    // Basic equality test (watch out for coercions).
    if (a == b) return true;
    // One is falsy and the other truthy.
    if ((!a && b) || (a && !b)) return false;
    // Unwrap any wrapped objects.
    if (a._chain) a = a._wrapped;
    if (b._chain) b = b._wrapped;
    // One of them implements an isEqual()?
    if (a.isEqual) return a.isEqual(b);
    if (b.isEqual) return b.isEqual(a);
    // Check dates' integer values.
    if (_.isDate(a) && _.isDate(b)) return a.getTime() === b.getTime();
    // Both are NaN?
    if (_.isNaN(a) && _.isNaN(b)) return false;
    // Compare regular expressions.
    if (_.isRegExp(a) && _.isRegExp(b))
      return a.source     === b.source &&
             a.global     === b.global &&
             a.ignoreCase === b.ignoreCase &&
             a.multiline  === b.multiline;
    // If a is not an object by this point, we can't handle it.
    if (atype !== 'object') return false;
    // Check for different array lengths before comparing contents.
    if (a.length && (a.length !== b.length)) return false;
    // Nothing else worked, deep compare the contents.
    var aKeys = _.keys(a), bKeys = _.keys(b);
    // Different object sizes?
    if (aKeys.length != bKeys.length) return false;
    // Recursive comparison of contents.
    for (var key in a) if (!(key in b) || !_.isEqual(a[key], b[key])) return false;
    return true;
  };

  // Is a given array or object empty?
  _.isEmpty = function(obj) {
    if (_.isArray(obj) || _.isString(obj)) return obj.length === 0;
    for (var key in obj) if (hasOwnProperty.call(obj, key)) return false;
    return true;
  };

  // Is a given value a DOM element?
  _.isElement = function(obj) {
    return !!(obj && obj.nodeType == 1);
  };

  // Is a given value an array?
  // Delegates to ECMA5's native Array.isArray
  _.isArray = nativeIsArray || function(obj) {
    return toString.call(obj) === '[object Array]';
  };

  // Is a given variable an object?
  _.isObject = function(obj) {
    return obj === Object(obj);
  };

  // Is a given variable an arguments object?
  _.isArguments = function(obj) {
    return !!(obj && hasOwnProperty.call(obj, 'callee'));
  };

  // Is a given value a function?
  _.isFunction = function(obj) {
    return !!(obj && obj.constructor && obj.call && obj.apply);
  };

  // Is a given value a string?
  _.isString = function(obj) {
    return !!(obj === '' || (obj && obj.charCodeAt && obj.substr));
  };

  // Is a given value a number?
  _.isNumber = function(obj) {
    return !!(obj === 0 || (obj && obj.toExponential && obj.toFixed));
  };

  // Is the given value `NaN`? `NaN` happens to be the only value in JavaScript
  // that does not equal itself.
  _.isNaN = function(obj) {
    return obj !== obj;
  };

  // Is a given value a boolean?
  _.isBoolean = function(obj) {
    return obj === true || obj === false;
  };

  // Is a given value a date?
  _.isDate = function(obj) {
    return !!(obj && obj.getTimezoneOffset && obj.setUTCFullYear);
  };

  // Is the given value a regular expression?
  _.isRegExp = function(obj) {
    return !!(obj && obj.test && obj.exec && (obj.ignoreCase || obj.ignoreCase === false));
  };

  // Is a given value equal to null?
  _.isNull = function(obj) {
    return obj === null;
  };

  // Is a given variable undefined?
  _.isUndefined = function(obj) {
    return obj === void 0;
  };

  // Utility Functions
  // -----------------

  // Run Underscore.js in *noConflict* mode, returning the `_` variable to its
  // previous owner. Returns a reference to the Underscore object.
  _.noConflict = function() {
    root._ = previousUnderscore;
    return this;
  };

  // Keep the identity function around for default iterators.
  _.identity = function(value) {
    return value;
  };

  // Run a function **n** times.
  _.times = function (n, iterator, context) {
    for (var i = 0; i < n; i++) iterator.call(context, i);
  };

  // Add your own custom functions to the Underscore object, ensuring that
  // they're correctly added to the OOP wrapper as well.
  _.mixin = function(obj) {
    each(_.functions(obj), function(name){
      addToWrapper(name, _[name] = obj[name]);
    });
  };

  // Generate a unique integer id (unique within the entire client session).
  // Useful for temporary DOM ids.
  var idCounter = 0;
  _.uniqueId = function(prefix) {
    var id = idCounter++;
    return prefix ? prefix + id : id;
  };

  // By default, Underscore uses ERB-style template delimiters, change the
  // following template settings to use alternative delimiters.
  _.templateSettings = {
    evaluate    : /<%([\s\S]+?)%>/g,
    interpolate : /<%=([\s\S]+?)%>/g
  };

  // JavaScript micro-templating, similar to John Resig's implementation.
  // Underscore templating handles arbitrary delimiters, preserves whitespace,
  // and correctly escapes quotes within interpolated code.
  _.template = function(str, data) {
    var c  = _.templateSettings;
    var tmpl = 'var __p=[],print=function(){__p.push.apply(__p,arguments);};' +
      'with(obj||{}){__p.push(\'' +
      str.replace(/\\/g, '\\\\')
         .replace(/'/g, "\\'")
         .replace(c.interpolate, function(match, code) {
           return "'," + code.replace(/\\'/g, "'") + ",'";
         })
         .replace(c.evaluate || null, function(match, code) {
           return "');" + code.replace(/\\'/g, "'")
                              .replace(/[\r\n\t]/g, ' ') + "__p.push('";
         })
         .replace(/\r/g, '\\r')
         .replace(/\n/g, '\\n')
         .replace(/\t/g, '\\t')
         + "');}return __p.join('');";
    var func = new Function('obj', tmpl);
    return data ? func(data) : func;
  };

  // The OOP Wrapper
  // ---------------

  // If Underscore is called as a function, it returns a wrapped object that
  // can be used OO-style. This wrapper holds altered versions of all the
  // underscore functions. Wrapped objects may be chained.
  var wrapper = function(obj) { this._wrapped = obj; };

  // Expose `wrapper.prototype` as `_.prototype`
  _.prototype = wrapper.prototype;

  // Helper function to continue chaining intermediate results.
  var result = function(obj, chain) {
    return chain ? _(obj).chain() : obj;
  };

  // A method to easily add functions to the OOP wrapper.
  var addToWrapper = function(name, func) {
    wrapper.prototype[name] = function() {
      var args = slice.call(arguments);
      unshift.call(args, this._wrapped);
      return result(func.apply(_, args), this._chain);
    };
  };

  // Add all of the Underscore functions to the wrapper object.
  _.mixin(_);

  // Add all mutator Array functions to the wrapper.
  each(['pop', 'push', 'reverse', 'shift', 'sort', 'splice', 'unshift'], function(name) {
    var method = ArrayProto[name];
    wrapper.prototype[name] = function() {
      method.apply(this._wrapped, arguments);
      return result(this._wrapped, this._chain);
    };
  });

  // Add all accessor Array functions to the wrapper.
  each(['concat', 'join', 'slice'], function(name) {
    var method = ArrayProto[name];
    wrapper.prototype[name] = function() {
      return result(method.apply(this._wrapped, arguments), this._chain);
    };
  });

  // Start chaining a wrapped Underscore object.
  wrapper.prototype.chain = function() {
    this._chain = true;
    return this;
  };

  // Extracts the result from a wrapped and chained object.
  wrapper.prototype.value = function() {
    return this._wrapped;
  };

})();


/* - ++resource++collective.dynatree/backbone.js - */
//     Backbone.js 0.3.3
//     (c) 2010 Jeremy Ashkenas, DocumentCloud Inc.
//     Backbone may be freely distributed under the MIT license.
//     For all details and documentation:
//     http://documentcloud.github.com/backbone

(function(){

  // Initial Setup
  // -------------

  // The top-level namespace. All public Backbone classes and modules will
  // be attached to this. Exported for both CommonJS and the browser.
  var Backbone;
  if (typeof exports !== 'undefined') {
    Backbone = exports;
  } else {
    Backbone = this.Backbone = {};
  }

  // Current version of the library. Keep in sync with `package.json`.
  Backbone.VERSION = '0.3.3';

  // Require Underscore, if we're on the server, and it's not already present.
  var _ = this._;
  if (!_ && (typeof require !== 'undefined')) _ = require("underscore")._;

  // For Backbone's purposes, either jQuery or Zepto owns the `$` variable.
  var $ = this.jQuery || this.Zepto;

  // Turn on `emulateHTTP` to use support legacy HTTP servers. Setting this option will
  // fake `"PUT"` and `"DELETE"` requests via the `_method` parameter and set a
  // `X-Http-Method-Override` header.
  Backbone.emulateHTTP = false;

  // Turn on `emulateJSON` to support legacy servers that can't deal with direct
  // `application/json` requests ... will encode the body as
  // `application/x-www-form-urlencoded` instead and will send the model in a
  // form param named `model`.
  Backbone.emulateJSON = false;

  // Backbone.Events
  // -----------------

  // A module that can be mixed in to *any object* in order to provide it with
  // custom events. You may `bind` or `unbind` a callback function to an event;
  // `trigger`-ing an event fires all callbacks in succession.
  //
  //     var object = {};
  //     _.extend(object, Backbone.Events);
  //     object.bind('expand', function(){ alert('expanded'); });
  //     object.trigger('expand');
  //
  Backbone.Events = {

    // Bind an event, specified by a string name, `ev`, to a `callback` function.
    // Passing `"all"` will bind the callback to all events fired.
    bind : function(ev, callback) {
      var calls = this._callbacks || (this._callbacks = {});
      var list  = this._callbacks[ev] || (this._callbacks[ev] = []);
      list.push(callback);
      return this;
    },

    // Remove one or many callbacks. If `callback` is null, removes all
    // callbacks for the event. If `ev` is null, removes all bound callbacks
    // for all events.
    unbind : function(ev, callback) {
      var calls;
      if (!ev) {
        this._callbacks = {};
      } else if (calls = this._callbacks) {
        if (!callback) {
          calls[ev] = [];
        } else {
          var list = calls[ev];
          if (!list) return this;
          for (var i = 0, l = list.length; i < l; i++) {
            if (callback === list[i]) {
              list.splice(i, 1);
              break;
            }
          }
        }
      }
      return this;
    },

    // Trigger an event, firing all bound callbacks. Callbacks are passed the
    // same arguments as `trigger` is, apart from the event name.
    // Listening for `"all"` passes the true event name as the first argument.
    trigger : function(ev) {
      var list, calls, i, l;
      if (!(calls = this._callbacks)) return this;
      if (list = calls[ev]) {
        for (i = 0, l = list.length; i < l; i++) {
          list[i].apply(this, Array.prototype.slice.call(arguments, 1));
        }
      }
      if (list = calls['all']) {
        for (i = 0, l = list.length; i < l; i++) {
          list[i].apply(this, arguments);
        }
      }
      return this;
    }

  };

  // Backbone.Model
  // --------------

  // Create a new model, with defined attributes. A client id (`cid`)
  // is automatically generated and assigned for you.
  Backbone.Model = function(attributes, options) {
    attributes || (attributes = {});
    if (this.defaults) attributes = _.extend({}, this.defaults, attributes);
    this.attributes = {};
    this._escapedAttributes = {};
    this.cid = _.uniqueId('c');
    this.set(attributes, {silent : true});
    this._previousAttributes = _.clone(this.attributes);
    if (options && options.collection) this.collection = options.collection;
    this.initialize(attributes, options);
  };

  // Attach all inheritable methods to the Model prototype.
  _.extend(Backbone.Model.prototype, Backbone.Events, {

    // A snapshot of the model's previous attributes, taken immediately
    // after the last `"change"` event was fired.
    _previousAttributes : null,

    // Has the item been changed since the last `"change"` event?
    _changed : false,

    // Initialize is an empty function by default. Override it with your own
    // initialization logic.
    initialize : function(){},

    // Return a copy of the model's `attributes` object.
    toJSON : function() {
      return _.clone(this.attributes);
    },

    // Get the value of an attribute.
    get : function(attr) {
      return this.attributes[attr];
    },

    // Get the HTML-escaped value of an attribute.
    escape : function(attr) {
      var html;
      if (html = this._escapedAttributes[attr]) return html;
      var val = this.attributes[attr];
      return this._escapedAttributes[attr] = escapeHTML(val == null ? '' : val);
    },

    // Set a hash of model attributes on the object, firing `"change"` unless you
    // choose to silence it.
    set : function(attrs, options) {

      // Extract attributes and options.
      options || (options = {});
      if (!attrs) return this;
      if (attrs.attributes) attrs = attrs.attributes;
      var now = this.attributes, escaped = this._escapedAttributes;

      // Run validation.
      if (!options.silent && this.validate && !this._performValidation(attrs, options)) return false;

      // Check for changes of `id`.
      if ('id' in attrs) this.id = attrs.id;

      // Update attributes.
      for (var attr in attrs) {
        var val = attrs[attr];
        if (!_.isEqual(now[attr], val)) {
          now[attr] = val;
          delete escaped[attr];
          if (!options.silent) {
            this._changed = true;
            this.trigger('change:' + attr, this, val, options);
          }
        }
      }

      // Fire the `"change"` event, if the model has been changed.
      if (!options.silent && this._changed) this.change(options);
      return this;
    },

    // Remove an attribute from the model, firing `"change"` unless you choose
    // to silence it.
    unset : function(attr, options) {
      options || (options = {});
      var value = this.attributes[attr];

      // Run validation.
      var validObj = {};
      validObj[attr] = void 0;
      if (!options.silent && this.validate && !this._performValidation(validObj, options)) return false;

      // Remove the attribute.
      delete this.attributes[attr];
      delete this._escapedAttributes[attr];
      if (!options.silent) {
        this._changed = true;
        this.trigger('change:' + attr, this, void 0, options);
        this.change(options);
      }
      return this;
    },

    // Clear all attributes on the model, firing `"change"` unless you choose
    // to silence it.
    clear : function(options) {
      options || (options = {});
      var old = this.attributes;

      // Run validation.
      var validObj = {};
      for (attr in old) validObj[attr] = void 0;
      if (!options.silent && this.validate && !this._performValidation(validObj, options)) return false;

      this.attributes = {};
      this._escapedAttributes = {};
      if (!options.silent) {
        this._changed = true;
        for (attr in old) {
          this.trigger('change:' + attr, this, void 0, options);
        }
        this.change(options);
      }
      return this;
    },

    // Fetch the model from the server. If the server's representation of the
    // model differs from its current attributes, they will be overriden,
    // triggering a `"change"` event.
    fetch : function(options) {
      options || (options = {});
      var model = this;
      var success = function(resp) {
        if (!model.set(model.parse(resp), options)) return false;
        if (options.success) options.success(model, resp);
      };
      var error = wrapError(options.error, model, options);
      (this.sync || Backbone.sync)('read', this, success, error);
      return this;
    },

    // Set a hash of model attributes, and sync the model to the server.
    // If the server returns an attributes hash that differs, the model's
    // state will be `set` again.
    save : function(attrs, options) {
      options || (options = {});
      if (attrs && !this.set(attrs, options)) return false;
      var model = this;
      var success = function(resp) {
        if (!model.set(model.parse(resp), options)) return false;
        if (options.success) options.success(model, resp);
      };
      var error = wrapError(options.error, model, options);
      var method = this.isNew() ? 'create' : 'update';
      (this.sync || Backbone.sync)(method, this, success, error);
      return this;
    },

    // Destroy this model on the server. Upon success, the model is removed
    // from its collection, if it has one.
    destroy : function(options) {
      options || (options = {});
      var model = this;
      var success = function(resp) {
        if (model.collection) model.collection.remove(model);
        if (options.success) options.success(model, resp);
      };
      var error = wrapError(options.error, model, options);
      (this.sync || Backbone.sync)('delete', this, success, error);
      return this;
    },

    // Default URL for the model's representation on the server -- if you're
    // using Backbone's restful methods, override this to change the endpoint
    // that will be called.
    url : function() {
      var base = getUrl(this.collection);
      if (this.isNew()) return base;
      return base + (base.charAt(base.length - 1) == '/' ? '' : '/') + this.id;
    },

    // **parse** converts a response into the hash of attributes to be `set` on
    // the model. The default implementation is just to pass the response along.
    parse : function(resp) {
      return resp;
    },

    // Create a new model with identical attributes to this one.
    clone : function() {
      return new this.constructor(this);
    },

    // A model is new if it has never been saved to the server, and has a negative
    // ID.
    isNew : function() {
      return !this.id;
    },

    // Call this method to manually fire a `change` event for this model.
    // Calling this will cause all objects observing the model to update.
    change : function(options) {
      this.trigger('change', this, options);
      this._previousAttributes = _.clone(this.attributes);
      this._changed = false;
    },

    // Determine if the model has changed since the last `"change"` event.
    // If you specify an attribute name, determine if that attribute has changed.
    hasChanged : function(attr) {
      if (attr) return this._previousAttributes[attr] != this.attributes[attr];
      return this._changed;
    },

    // Return an object containing all the attributes that have changed, or false
    // if there are no changed attributes. Useful for determining what parts of a
    // view need to be updated and/or what attributes need to be persisted to
    // the server.
    changedAttributes : function(now) {
      now || (now = this.attributes);
      var old = this._previousAttributes;
      var changed = false;
      for (var attr in now) {
        if (!_.isEqual(old[attr], now[attr])) {
          changed = changed || {};
          changed[attr] = now[attr];
        }
      }
      return changed;
    },

    // Get the previous value of an attribute, recorded at the time the last
    // `"change"` event was fired.
    previous : function(attr) {
      if (!attr || !this._previousAttributes) return null;
      return this._previousAttributes[attr];
    },

    // Get all of the attributes of the model at the time of the previous
    // `"change"` event.
    previousAttributes : function() {
      return _.clone(this._previousAttributes);
    },

    // Run validation against a set of incoming attributes, returning `true`
    // if all is well. If a specific `error` callback has been passed,
    // call that instead of firing the general `"error"` event.
    _performValidation : function(attrs, options) {
      var error = this.validate(attrs);
      if (error) {
        if (options.error) {
          options.error(this, error);
        } else {
          this.trigger('error', this, error, options);
        }
        return false;
      }
      return true;
    }

  });

  // Backbone.Collection
  // -------------------

  // Provides a standard collection class for our sets of models, ordered
  // or unordered. If a `comparator` is specified, the Collection will maintain
  // its models in sort order, as they're added and removed.
  Backbone.Collection = function(models, options) {
    options || (options = {});
    if (options.comparator) {
      this.comparator = options.comparator;
      delete options.comparator;
    }
    this._boundOnModelEvent = _.bind(this._onModelEvent, this);
    this._reset();
    if (models) this.refresh(models, {silent: true});
    this.initialize(models, options);
  };

  // Define the Collection's inheritable methods.
  _.extend(Backbone.Collection.prototype, Backbone.Events, {

    // The default model for a collection is just a **Backbone.Model**.
    // This should be overridden in most cases.
    model : Backbone.Model,

    // Initialize is an empty function by default. Override it with your own
    // initialization logic.
    initialize : function(){},

    // The JSON representation of a Collection is an array of the
    // models' attributes.
    toJSON : function() {
      return this.map(function(model){ return model.toJSON(); });
    },

    // Add a model, or list of models to the set. Pass **silent** to avoid
    // firing the `added` event for every new model.
    add : function(models, options) {
      if (_.isArray(models)) {
        for (var i = 0, l = models.length; i < l; i++) {
          this._add(models[i], options);
        }
      } else {
        this._add(models, options);
      }
      return this;
    },

    // Remove a model, or a list of models from the set. Pass silent to avoid
    // firing the `removed` event for every model removed.
    remove : function(models, options) {
      if (_.isArray(models)) {
        for (var i = 0, l = models.length; i < l; i++) {
          this._remove(models[i], options);
        }
      } else {
        this._remove(models, options);
      }
      return this;
    },

    // Get a model from the set by id.
    get : function(id) {
      if (id == null) return null;
      return this._byId[id.id != null ? id.id : id];
    },

    // Get a model from the set by client id.
    getByCid : function(cid) {
      return cid && this._byCid[cid.cid || cid];
    },

    // Get the model at the given index.
    at: function(index) {
      return this.models[index];
    },

    // Force the collection to re-sort itself. You don't need to call this under normal
    // circumstances, as the set will maintain sort order as each item is added.
    sort : function(options) {
      options || (options = {});
      if (!this.comparator) throw new Error('Cannot sort a set without a comparator');
      this.models = this.sortBy(this.comparator);
      if (!options.silent) this.trigger('refresh', this, options);
      return this;
    },

    // Pluck an attribute from each model in the collection.
    pluck : function(attr) {
      return _.map(this.models, function(model){ return model.get(attr); });
    },

    // When you have more items than you want to add or remove individually,
    // you can refresh the entire set with a new list of models, without firing
    // any `added` or `removed` events. Fires `refresh` when finished.
    refresh : function(models, options) {
      models  || (models = []);
      options || (options = {});
      this._reset();
      this.add(models, {silent: true});
      if (!options.silent) this.trigger('refresh', this, options);
      return this;
    },

    // Fetch the default set of models for this collection, refreshing the
    // collection when they arrive.
    fetch : function(options) {
      options || (options = {});
      var collection = this;
      var success = function(resp) {
        collection.refresh(collection.parse(resp));
        if (options.success) options.success(collection, resp);
      };
      var error = wrapError(options.error, collection, options);
      (this.sync || Backbone.sync)('read', this, success, error);
      return this;
    },

    // Create a new instance of a model in this collection. After the model
    // has been created on the server, it will be added to the collection.
    create : function(model, options) {
      var coll = this;
      options || (options = {});
      if (!(model instanceof Backbone.Model)) {
        model = new this.model(model, {collection: coll});
      } else {
        model.collection = coll;
      }
      var success = function(nextModel, resp) {
        coll.add(nextModel);
        if (options.success) options.success(nextModel, resp);
      };
      return model.save(null, {success : success, error : options.error});
    },

    // **parse** converts a response into a list of models to be added to the
    // collection. The default implementation is just to pass it through.
    parse : function(resp) {
      return resp;
    },

    // Proxy to _'s chain. Can't be proxied the same way the rest of the
    // underscore methods are proxied because it relies on the underscore
    // constructor.
    chain: function () {
      return _(this.models).chain();
    },

    // Reset all internal state. Called when the collection is refreshed.
    _reset : function(options) {
      this.length = 0;
      this.models = [];
      this._byId  = {};
      this._byCid = {};
    },

    // Internal implementation of adding a single model to the set, updating
    // hash indexes for `id` and `cid` lookups.
    _add : function(model, options) {
      options || (options = {});
      if (!(model instanceof Backbone.Model)) {
        model = new this.model(model, {collection: this});
      }
      var already = this.getByCid(model);
      if (already) throw new Error(["Can't add the same model to a set twice", already.id]);
      this._byId[model.id] = model;
      this._byCid[model.cid] = model;
      model.collection = this;
      var index = this.comparator ? this.sortedIndex(model, this.comparator) : this.length;
      this.models.splice(index, 0, model);
      model.bind('all', this._boundOnModelEvent);
      this.length++;
      if (!options.silent) model.trigger('add', model, this, options);
      return model;
    },

    // Internal implementation of removing a single model from the set, updating
    // hash indexes for `id` and `cid` lookups.
    _remove : function(model, options) {
      options || (options = {});
      model = this.getByCid(model) || this.get(model);
      if (!model) return null;
      delete this._byId[model.id];
      delete this._byCid[model.cid];
      delete model.collection;
      this.models.splice(this.indexOf(model), 1);
      this.length--;
      if (!options.silent) model.trigger('remove', model, this, options);
      model.unbind('all', this._boundOnModelEvent);
      return model;
    },

    // Internal method called every time a model in the set fires an event.
    // Sets need to update their indexes when models change ids. All other
    // events simply proxy through.
    _onModelEvent : function(ev, model) {
      if (ev === 'change:id') {
        delete this._byId[model.previous('id')];
        this._byId[model.id] = model;
      }
      this.trigger.apply(this, arguments);
    }

  });

  // Underscore methods that we want to implement on the Collection.
  var methods = ['forEach', 'each', 'map', 'reduce', 'reduceRight', 'find', 'detect',
    'filter', 'select', 'reject', 'every', 'all', 'some', 'any', 'include',
    'invoke', 'max', 'min', 'sortBy', 'sortedIndex', 'toArray', 'size',
    'first', 'rest', 'last', 'without', 'indexOf', 'lastIndexOf', 'isEmpty'];

  // Mix in each Underscore method as a proxy to `Collection#models`.
  _.each(methods, function(method) {
    Backbone.Collection.prototype[method] = function() {
      return _[method].apply(_, [this.models].concat(_.toArray(arguments)));
    };
  });

  // Backbone.Controller
  // -------------------

  // Controllers map faux-URLs to actions, and fire events when routes are
  // matched. Creating a new one sets its `routes` hash, if not set statically.
  Backbone.Controller = function(options) {
    options || (options = {});
    if (options.routes) this.routes = options.routes;
    this._bindRoutes();
    this.initialize(options);
  };

  // Cached regular expressions for matching named param parts and splatted
  // parts of route strings.
  var namedParam = /:([\w\d]+)/g;
  var splatParam = /\*([\w\d]+)/g;

  // Set up all inheritable **Backbone.Controller** properties and methods.
  _.extend(Backbone.Controller.prototype, Backbone.Events, {

    // Initialize is an empty function by default. Override it with your own
    // initialization logic.
    initialize : function(){},

    // Manually bind a single named route to a callback. For example:
    //
    //     this.route('search/:query/p:num', 'search', function(query, num) {
    //       ...
    //     });
    //
    route : function(route, name, callback) {
      Backbone.history || (Backbone.history = new Backbone.History);
      if (!_.isRegExp(route)) route = this._routeToRegExp(route);
      Backbone.history.route(route, _.bind(function(fragment) {
        var args = this._extractParameters(route, fragment);
        callback.apply(this, args);
        this.trigger.apply(this, ['route:' + name].concat(args));
      }, this));
    },

    // Simple proxy to `Backbone.history` to save a fragment into the history,
    // without triggering routes.
    saveLocation : function(fragment) {
      Backbone.history.saveLocation(fragment);
    },

    // Bind all defined routes to `Backbone.history`.
    _bindRoutes : function() {
      if (!this.routes) return;
      for (var route in this.routes) {
        var name = this.routes[route];
        this.route(route, name, this[name]);
      }
    },

    // Convert a route string into a regular expression, suitable for matching
    // against the current location fragment.
    _routeToRegExp : function(route) {
      route = route.replace(namedParam, "([^\/]*)").replace(splatParam, "(.*?)");
      return new RegExp('^' + route + '$');
    },

    // Given a route, and a URL fragment that it matches, return the array of
    // extracted parameters.
    _extractParameters : function(route, fragment) {
      return route.exec(fragment).slice(1);
    }

  });

  // Backbone.History
  // ----------------

  // Handles cross-browser history management, based on URL hashes. If the
  // browser does not support `onhashchange`, falls back to polling.
  Backbone.History = function() {
    this.handlers = [];
    this.fragment = this.getFragment();
    _.bindAll(this, 'checkUrl');
  };

  // Cached regex for cleaning hashes.
  var hashStrip = /^#*/;

  // Set up all inheritable **Backbone.History** properties and methods.
  _.extend(Backbone.History.prototype, {

    // The default interval to poll for hash changes, if necessary, is
    // twenty times a second.
    interval: 50,

    // Get the cross-browser normalized URL fragment.
    getFragment : function(loc) {
      return (loc || window.location).hash.replace(hashStrip, '');
    },

    // Start the hash change handling, returning `true` if the current URL matches
    // an existing route, and `false` otherwise.
    start : function() {
      var docMode = document.documentMode;
      var oldIE = ($.browser.msie && (!docMode || docMode <= 7));
      if (oldIE) {
        this.iframe = $('<iframe src="javascript:0" tabindex="-1" />').hide().appendTo('body')[0].contentWindow;
      }
      if ('onhashchange' in window && !oldIE) {
        $(window).bind('hashchange', this.checkUrl);
      } else {
        setInterval(this.checkUrl, this.interval);
      }
      return this.loadUrl();
    },

    // Add a route to be tested when the hash changes. Routes are matched in the
    // order they are added.
    route : function(route, callback) {
      this.handlers.push({route : route, callback : callback});
    },

    // Checks the current URL to see if it has changed, and if it has,
    // calls `loadUrl`, normalizing across the hidden iframe.
    checkUrl : function() {
      var current = this.getFragment();
      if (current == this.fragment && this.iframe) {
        current = this.getFragment(this.iframe.location);
      }
      if (current == this.fragment ||
          current == decodeURIComponent(this.fragment)) return false;
      if (this.iframe) {
        window.location.hash = this.iframe.location.hash = current;
      }
      this.loadUrl();
    },

    // Attempt to load the current URL fragment. If a route succeeds with a
    // match, returns `true`. If no defined routes matches the fragment,
    // returns `false`.
    loadUrl : function() {
      var fragment = this.fragment = this.getFragment();
      var matched = _.any(this.handlers, function(handler) {
        if (handler.route.test(fragment)) {
          handler.callback(fragment);
          return true;
        }
      });
      return matched;
    },

    // Save a fragment into the hash history. You are responsible for properly
    // URL-encoding the fragment in advance. This does not trigger
    // a `hashchange` event.
    saveLocation : function(fragment) {
      fragment = (fragment || '').replace(hashStrip, '');
      if (this.fragment == fragment) return;
      window.location.hash = this.fragment = fragment;
      if (this.iframe && (fragment != this.getFragment(this.iframe.location))) {
        this.iframe.document.open().close();
        this.iframe.location.hash = fragment;
      }
    }

  });

  // Backbone.View
  // -------------

  // Creating a Backbone.View creates its initial element outside of the DOM,
  // if an existing element is not provided...
  Backbone.View = function(options) {
    this._configure(options || {});
    this._ensureElement();
    this.delegateEvents();
    this.initialize(options);
  };

  // Element lookup, scoped to DOM elements within the current view.
  // This should be prefered to global lookups, if you're dealing with
  // a specific view.
  var selectorDelegate = function(selector) {
    return $(selector, this.el);
  };

  // Cached regex to split keys for `delegate`.
  var eventSplitter = /^(\w+)\s*(.*)$/;

  // Set up all inheritable **Backbone.View** properties and methods.
  _.extend(Backbone.View.prototype, Backbone.Events, {

    // The default `tagName` of a View's element is `"div"`.
    tagName : 'div',

    // Attach the `selectorDelegate` function as the `$` property.
    $       : selectorDelegate,

    // Initialize is an empty function by default. Override it with your own
    // initialization logic.
    initialize : function(){},

    // **render** is the core function that your view should override, in order
    // to populate its element (`this.el`), with the appropriate HTML. The
    // convention is for **render** to always return `this`.
    render : function() {
      return this;
    },

    // Remove this view from the DOM. Note that the view isn't present in the
    // DOM by default, so calling this method may be a no-op.
    remove : function() {
      $(this.el).remove();
      return this;
    },

    // For small amounts of DOM Elements, where a full-blown template isn't
    // needed, use **make** to manufacture elements, one at a time.
    //
    //     var el = this.make('li', {'class': 'row'}, this.model.escape('title'));
    //
    make : function(tagName, attributes, content) {
      var el = document.createElement(tagName);
      if (attributes) $(el).attr(attributes);
      if (content) $(el).html(content);
      return el;
    },

    // Set callbacks, where `this.callbacks` is a hash of
    //
    // *{"event selector": "callback"}*
    //
    //     {
    //       'mousedown .title':  'edit',
    //       'click .button':     'save'
    //     }
    //
    // pairs. Callbacks will be bound to the view, with `this` set properly.
    // Uses event delegation for efficiency.
    // Omitting the selector binds the event to `this.el`.
    // This only works for delegate-able events: not `focus`, `blur`, and
    // not `change`, `submit`, and `reset` in Internet Explorer.
    delegateEvents : function(events) {
      if (!(events || (events = this.events))) return;
      $(this.el).unbind();
      for (var key in events) {
        var methodName = events[key];
        var match = key.match(eventSplitter);
        var eventName = match[1], selector = match[2];
        var method = _.bind(this[methodName], this);
        if (selector === '') {
          $(this.el).bind(eventName, method);
        } else {
          $(this.el).delegate(selector, eventName, method);
        }
      }
    },

    // Performs the initial configuration of a View with a set of options.
    // Keys with special meaning *(model, collection, id, className)*, are
    // attached directly to the view.
    _configure : function(options) {
      if (this.options) options = _.extend({}, this.options, options);
      if (options.model)      this.model      = options.model;
      if (options.collection) this.collection = options.collection;
      if (options.el)         this.el         = options.el;
      if (options.id)         this.id         = options.id;
      if (options.className)  this.className  = options.className;
      if (options.tagName)    this.tagName    = options.tagName;
      this.options = options;
    },

    // Ensure that the View has a DOM element to render into.
    _ensureElement : function() {
      if (this.el) return;
      var attrs = {};
      if (this.id) attrs.id = this.id;
      if (this.className) attrs["class"] = this.className;
      this.el = this.make(this.tagName, attrs);
    }

  });

  // The self-propagating extend function that Backbone classes use.
  var extend = function (protoProps, classProps) {
    var child = inherits(this, protoProps, classProps);
    child.extend = extend;
    return child;
  };

  // Set up inheritance for the model, collection, and view.
  Backbone.Model.extend = Backbone.Collection.extend =
    Backbone.Controller.extend = Backbone.View.extend = extend;

  // Map from CRUD to HTTP for our default `Backbone.sync` implementation.
  var methodMap = {
    'create': 'POST',
    'update': 'PUT',
    'delete': 'DELETE',
    'read'  : 'GET'
  };

  // Backbone.sync
  // -------------

  // Override this function to change the manner in which Backbone persists
  // models to the server. You will be passed the type of request, and the
  // model in question. By default, uses makes a RESTful Ajax request
  // to the model's `url()`. Some possible customizations could be:
  //
  // * Use `setTimeout` to batch rapid-fire updates into a single request.
  // * Send up the models as XML instead of JSON.
  // * Persist models via WebSockets instead of Ajax.
  //
  // Turn on `Backbone.emulateHTTP` in order to send `PUT` and `DELETE` requests
  // as `POST`, with a `_method` parameter containing the true HTTP method,
  // as well as all requests with the body as `application/x-www-form-urlencoded` instead of
  // `application/json` with the model in a param named `model`.
  // Useful when interfacing with server-side languages like **PHP** that make
  // it difficult to read the body of `PUT` requests.
  Backbone.sync = function(method, model, success, error) {
    var type = methodMap[method];
    var modelJSON = (method === 'create' || method === 'update') ?
                    JSON.stringify(model.toJSON()) : null;

    // Default JSON-request options.
    var params = {
      url:          getUrl(model),
      type:         type,
      contentType:  'application/json',
      data:         modelJSON,
      dataType:     'json',
      processData:  false,
      success:      success,
      error:        error
    };

    // For older servers, emulate JSON by encoding the request into an HTML-form.
    if (Backbone.emulateJSON) {
      params.contentType = 'application/x-www-form-urlencoded';
      params.processData = true;
      params.data        = modelJSON ? {model : modelJSON} : {};
    }

    // For older servers, emulate HTTP by mimicking the HTTP method with `_method`
    // And an `X-HTTP-Method-Override` header.
    if (Backbone.emulateHTTP) {
      if (type === 'PUT' || type === 'DELETE') {
        if (Backbone.emulateJSON) params.data._method = type;
        params.type = 'POST';
        params.beforeSend = function(xhr) {
          xhr.setRequestHeader("X-HTTP-Method-Override", type);
        };
      }
    }

    // Make the request.
    $.ajax(params);
  };

  // Helpers
  // -------

  // Shared empty constructor function to aid in prototype-chain creation.
  var ctor = function(){};

  // Helper function to correctly set up the prototype chain, for subclasses.
  // Similar to `goog.inherits`, but uses a hash of prototype properties and
  // class properties to be extended.
  var inherits = function(parent, protoProps, staticProps) {
    var child;

    // The constructor function for the new subclass is either defined by you
    // (the "constructor" property in your `extend` definition), or defaulted
    // by us to simply call `super()`.
    if (protoProps && protoProps.hasOwnProperty('constructor')) {
      child = protoProps.constructor;
    } else {
      child = function(){ return parent.apply(this, arguments); };
    }

    // Set the prototype chain to inherit from `parent`, without calling
    // `parent`'s constructor function.
    ctor.prototype = parent.prototype;
    child.prototype = new ctor();

    // Add prototype properties (instance properties) to the subclass,
    // if supplied.
    if (protoProps) _.extend(child.prototype, protoProps);

    // Add static properties to the constructor function, if supplied.
    if (staticProps) _.extend(child, staticProps);

    // Correctly set child's `prototype.constructor`, for `instanceof`.
    child.prototype.constructor = child;

    // Set a convenience property in case the parent's prototype is needed later.
    child.__super__ = parent.prototype;

    return child;
  };

  // Helper function to get a URL from a Model or Collection as a property
  // or as a function.
  var getUrl = function(object) {
    if (!(object && object.url)) throw new Error("A 'url' property or function must be specified");
    return _.isFunction(object.url) ? object.url() : object.url;
  };

  // Wrap an optional error callback with a fallback error event.
  var wrapError = function(onError, model, options) {
    return function(resp) {
      if (onError) {
        onError(model, resp);
      } else {
        model.trigger('error', model, resp, options);
      }
    };
  };

  // Helper function to escape a string for HTML rendering.
  var escapeHTML = function(string) {
    return string.replace(/&(?!\w+;)/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;').replace(/"/g, '&quot;');
  };

})();


/* - ++resource++jquery.dynatree/jquery.dynatree.min.js - */
// jquery.dynatree.js build 1.0.3
// Revision: 447, date: 2010-12-12 18:02:48
// Copyright (c) 2008-10  Martin Wendt (http://dynatree.googlecode.com/)
// Dual licensed under the MIT or GPL Version 2 licenses.

var _canLog=true;function _log(mode,msg){if(!_canLog){return;}
var args=Array.prototype.slice.apply(arguments,[1]);var dt=new Date();var tag=dt.getHours()+":"+dt.getMinutes()+":"+dt.getSeconds()+"."+dt.getMilliseconds();args[0]=tag+" - "+args[0];try{switch(mode){case"info":window.console.info.apply(window.console,args);break;case"warn":window.console.warn.apply(window.console,args);break;default:window.console.log.apply(window.console,args);break;}}catch(e){if(!window.console){_canLog=false;}}}
function logMsg(msg){Array.prototype.unshift.apply(arguments,["debug"]);_log.apply(this,arguments);}
var getDynaTreePersistData=null;var DTNodeStatus_Error=-1;var DTNodeStatus_Loading=1;var DTNodeStatus_Ok=0;(function($){var Class={create:function(){return function(){this.initialize.apply(this,arguments);};}};function getDtNodeFromElement(el){var iMax=5;while(el&&iMax--){if(el.dtnode){return el.dtnode;}
el=el.parentNode;}
return null;}
function noop(){}
var DynaTreeNode=Class.create();DynaTreeNode.prototype={initialize:function(parent,tree,data){this.parent=parent;this.tree=tree;if(typeof data==="string"){data={title:data};}
if(data.key===undefined){data.key="_"+tree._nodeCount++;}
this.data=$.extend({},$.ui.dynatree.nodedatadefaults,data);this.li=null;this.span=null;this.ul=null;this.childList=null;this.isLoading=false;this.hasSubSel=false;this.bExpanded=false;this.bSelected=false;},toString:function(){return"DynaTreeNode<"+this.data.key+">: '"+this.data.title+"'";},toDict:function(recursive,callback){var dict=$.extend({},this.data);dict.activate=(this.tree.activeNode===this);dict.focus=(this.tree.focusNode===this);dict.expand=this.bExpanded;dict.select=this.bSelected;if(callback){callback(dict);}
if(recursive&&this.childList){dict.children=[];for(var i=0,l=this.childList.length;i<l;i++){dict.children.push(this.childList[i].toDict(true,callback));}}else{delete dict.children;}
return dict;},fromDict:function(dict){var children=dict.children;if(children===undefined){this.data=$.extend(this.data,dict);this.render();return;}
dict=$.extend({},dict);dict.children=undefined;this.data=$.extend(this.data,dict);this.removeChildren();this.addChild(children);},_getInnerHtml:function(){var opts=this.tree.options;var cache=this.tree.cache;var level=this.getLevel();var res="";if(level<opts.minExpandLevel){if(level>1){res+=cache.tagConnector;}}else if(this.hasChildren()!==false){res+=cache.tagExpander;}else{res+=cache.tagConnector;}
if(opts.checkbox&&this.data.hideCheckbox!==true&&!this.data.isStatusNode){res+=cache.tagCheckbox;}
if(this.data.icon){res+="<img src='"+opts.imagePath+this.data.icon+"' alt='' />";}else if(this.data.icon===false){noop();}else{res+=cache.tagNodeIcon;}
var tooltip=this.data.tooltip?" title='"+this.data.tooltip+"'":"";if(opts.noLink||this.data.noLink){res+="<span style='display: inline-block;' class='"+opts.classNames.title+"'"+tooltip+">"+this.data.title+"</span>";}else{res+="<a href='#' class='"+opts.classNames.title+"'"+tooltip+">"+this.data.title+"</a>";}
return res;},_fixOrder:function(){var cl=this.childList;if(!cl){return;}
var childLI=this.ul.firstChild;for(var i=0,l=cl.length-1;i<l;i++){var childNode1=cl[i];var childNode2=childLI.dtnode;if(childNode1!==childNode2){this.tree.logDebug("_fixOrder: mismatch at index "+i+": "+childNode1+" != "+childNode2);this.ul.insertBefore(childNode1.li,childNode2.li);}else{childLI=childLI.nextSibling;}}},render:function(useEffects){var opts=this.tree.options;var cn=opts.classNames;var isLastSib=this.isLastSibling();if(!this.parent&&!this.ul){this.li=this.span=null;this.ul=document.createElement("ul");if(opts.minExpandLevel>1){this.ul.className=cn.container+" "+cn.noConnector;}else{this.ul.className=cn.container;}}else if(this.parent){if(!this.li){this.li=document.createElement("li");this.li.dtnode=this;if(this.data.key&&opts.generateIds){this.li.id=opts.idPrefix+this.data.key;}
this.span=document.createElement("span");this.span.className=cn.title;this.li.appendChild(this.span);if(!this.parent.ul){this.parent.ul=document.createElement("ul");this.parent.ul.style.display="none";this.parent.li.appendChild(this.parent.ul);}
this.parent.ul.appendChild(this.li);}
this.span.innerHTML=this._getInnerHtml();var cnList=[];cnList.push(cn.node);if(this.data.isFolder){cnList.push(cn.folder);}
if(this.bExpanded){cnList.push(cn.expanded);}
if(this.hasChildren()!==false){cnList.push(cn.hasChildren);}
if(this.data.isLazy&&this.childList===null){cnList.push(cn.lazy);}
if(isLastSib){cnList.push(cn.lastsib);}
if(this.bSelected){cnList.push(cn.selected);}
if(this.hasSubSel){cnList.push(cn.partsel);}
if(this.tree.activeNode===this){cnList.push(cn.active);}
if(this.data.addClass){cnList.push(this.data.addClass);}
cnList.push(cn.combinedExpanderPrefix
+(this.bExpanded?"e":"c")
+(this.data.isLazy&&this.childList===null?"d":"")
+(isLastSib?"l":""));cnList.push(cn.combinedIconPrefix
+(this.bExpanded?"e":"c")
+(this.data.isFolder?"f":""));this.span.className=cnList.join(" ");this.li.className=isLastSib?cn.lastsib:"";}
if(this.bExpanded&&this.childList){for(var i=0,l=this.childList.length;i<l;i++){this.childList[i].render();}
this._fixOrder();}
if(this.ul){var isHidden=(this.ul.style.display==="none");var isExpanded=!!this.bExpanded;if(useEffects&&opts.fx&&(isHidden===isExpanded)){var duration=opts.fx.duration||200;$(this.ul).animate(opts.fx,duration);}else{this.ul.style.display=(this.bExpanded||!this.parent)?"":"none";}}},getKeyPath:function(excludeSelf){var path=[];this.visitParents(function(node){if(node.parent){path.unshift(node.data.key);}},!excludeSelf);return"/"+path.join(this.tree.options.keyPathSeparator);},getParent:function(){return this.parent;},getChildren:function(){return this.childList;},hasChildren:function(){if(this.data.isLazy){if(this.childList===null||this.childList===undefined){return undefined;}else if(this.childList.length===0){return false;}else if(this.childList.length===1&&this.childList[0].isStatusNode()){return undefined;}
return true;}
return!!this.childList;},isFirstSibling:function(){var p=this.parent;return!p||p.childList[0]===this;},isLastSibling:function(){var p=this.parent;return!p||p.childList[p.childList.length-1]===this;},getPrevSibling:function(){if(!this.parent){return null;}
var ac=this.parent.childList;for(var i=1,l=ac.length;i<l;i++){if(ac[i]===this){return ac[i-1];}}
return null;},getNextSibling:function(){if(!this.parent){return null;}
var ac=this.parent.childList;for(var i=0,l=ac.length-1;i<l;i++){if(ac[i]===this){return ac[i+1];}}
return null;},isStatusNode:function(){return(this.data.isStatusNode===true);},isChildOf:function(otherNode){return(this.parent&&this.parent===otherNode);},isDescendantOf:function(otherNode){if(!otherNode){return false;}
var p=this.parent;while(p){if(p===otherNode){return true;}
p=p.parent;}
return false;},sortChildren:function(cmp,deep){var cl=this.childList;if(!cl){return;}
cmp=cmp||function(a,b){return a.data.title===b.data.title?0:a.data.title>b.data.title;};cl.sort(cmp);if(deep){for(var i=0,l=cl.length;i<l;i++){if(cl[i].childList){cl[i].sortChildren(cmp,"$norender$");}}}
if(deep!=="$norender$"){this.render();}},_setStatusNode:function(data){var firstChild=(this.childList?this.childList[0]:null);if(!data){if(firstChild&&firstChild.isStatusNode()){try{if(this.ul){this.ul.removeChild(firstChild.li);}}catch(e){}
if(this.childList.length===1){this.childList=[];}else{this.childList.shift();}}}else if(firstChild){data.isStatusNode=true;data.key="_statusNode";firstChild.data=data;firstChild.render();}else{data.isStatusNode=true;data.key="_statusNode";firstChild=this.addChild(data);}},setLazyNodeStatus:function(lts,opts){var tooltip=(opts&&opts.tooltip)?opts.tooltip:null;var info=(opts&&opts.info)?" ("+opts.info+")":"";switch(lts){case DTNodeStatus_Ok:this._setStatusNode(null);$(this.span).removeClass(this.tree.options.classNames.nodeLoading);this.isLoading=false;this.render();if(this.tree.options.autoFocus){if(this===this.tree.tnRoot&&this.childList&&this.childList.length>0){this.childList[0].focus();}else{this.focus();}}
break;case DTNodeStatus_Loading:this.isLoading=true;$(this.span).addClass(this.tree.options.classNames.nodeLoading);if(!this.parent){this._setStatusNode({title:this.tree.options.strings.loading+info,tooltip:tooltip,addClass:this.tree.options.classNames.nodeWait});}
break;case DTNodeStatus_Error:this.isLoading=false;this._setStatusNode({title:this.tree.options.strings.loadError+info,tooltip:tooltip,addClass:this.tree.options.classNames.nodeError});break;default:throw"Bad LazyNodeStatus: '"+lts+"'.";}},_parentList:function(includeRoot,includeSelf){var l=[];var dtn=includeSelf?this:this.parent;while(dtn){if(includeRoot||dtn.parent){l.unshift(dtn);}
dtn=dtn.parent;}
return l;},getLevel:function(){var level=0;var dtn=this.parent;while(dtn){level++;dtn=dtn.parent;}
return level;},_getTypeForOuterNodeEvent:function(event){var cns=this.tree.options.classNames;var target=event.target;if(target.className.indexOf(cns.node)<0){return null;}
var eventX=event.pageX-target.offsetLeft;var eventY=event.pageY-target.offsetTop;for(var i=0,l=target.childNodes.length;i<l;i++){var cn=target.childNodes[i];var x=cn.offsetLeft-target.offsetLeft;var y=cn.offsetTop-target.offsetTop;var nx=cn.clientWidth,ny=cn.clientHeight;if(eventX>=x&&eventX<=(x+nx)&&eventY>=y&&eventY<=(y+ny)){if(cn.className==cns.title){return"title";}else if(cn.className==cns.expander){return"expander";}else if(cn.className==cns.checkbox){return"checkbox";}else if(cn.className==cns.nodeIcon){return"icon";}}}
return"prefix";},getEventTargetType:function(event){var tcn=event&&event.target?event.target.className:"";var cns=this.tree.options.classNames;if(tcn===cns.title){return"title";}else if(tcn===cns.expander){return"expander";}else if(tcn===cns.checkbox){return"checkbox";}else if(tcn===cns.nodeIcon){return"icon";}else if(tcn===cns.empty||tcn===cns.vline||tcn===cns.connector){return"prefix";}else if(tcn.indexOf(cns.node)>=0){return this._getTypeForOuterNodeEvent(event);}
return null;},isVisible:function(){var parents=this._parentList(true,false);for(var i=0,l=parents.length;i<l;i++){if(!parents[i].bExpanded){return false;}}
return true;},makeVisible:function(){var parents=this._parentList(true,false);for(var i=0,l=parents.length;i<l;i++){parents[i]._expand(true);}},focus:function(){this.makeVisible();try{$(this.span).find(">a").focus();}catch(e){}},isFocused:function(){return(this.tree.tnFocused===this);},_activate:function(flag,fireEvents){this.tree.logDebug("dtnode._activate(%o, fireEvents=%o) - %o",flag,fireEvents,this);var opts=this.tree.options;if(this.data.isStatusNode){return;}
if(fireEvents&&opts.onQueryActivate&&opts.onQueryActivate.call(this.tree,flag,this)===false){return;}
if(flag){if(this.tree.activeNode){if(this.tree.activeNode===this){return;}
this.tree.activeNode.deactivate();}
if(opts.activeVisible){this.makeVisible();}
this.tree.activeNode=this;if(opts.persist){$.cookie(opts.cookieId+"-active",this.data.key,opts.cookie);}
this.tree.persistence.activeKey=this.data.key;$(this.span).addClass(opts.classNames.active);if(fireEvents&&opts.onActivate){opts.onActivate.call(this.tree,this);}}else{if(this.tree.activeNode===this){if(opts.onQueryActivate&&opts.onQueryActivate.call(this.tree,false,this)===false){return;}
$(this.span).removeClass(opts.classNames.active);if(opts.persist){$.cookie(opts.cookieId+"-active","",opts.cookie);}
this.tree.persistence.activeKey=null;this.tree.activeNode=null;if(fireEvents&&opts.onDeactivate){opts.onDeactivate.call(this.tree,this);}}}},activate:function(){this._activate(true,true);},activateSilently:function(){this._activate(true,false);},deactivate:function(){this._activate(false,true);},isActive:function(){return(this.tree.activeNode===this);},_userActivate:function(){var activate=true;var expand=false;if(this.data.isFolder){switch(this.tree.options.clickFolderMode){case 2:activate=false;expand=true;break;case 3:activate=expand=true;break;}}
if(this.parent===null){expand=false;}
if(expand){this.toggleExpand();this.focus();}
if(activate){this.activate();}},_setSubSel:function(hasSubSel){if(hasSubSel){this.hasSubSel=true;$(this.span).addClass(this.tree.options.classNames.partsel);}else{this.hasSubSel=false;$(this.span).removeClass(this.tree.options.classNames.partsel);}},_fixSelectionState:function(){var p,i,l;if(this.bSelected){this.visit(function(node){node.parent._setSubSel(true);node._select(true,false,false);});p=this.parent;while(p){p._setSubSel(true);var allChildsSelected=true;for(i=0,l=p.childList.length;i<l;i++){var n=p.childList[i];if(!n.bSelected&&!n.data.isStatusNode){allChildsSelected=false;break;}}
if(allChildsSelected){p._select(true,false,false);}
p=p.parent;}}else{this._setSubSel(false);this.visit(function(node){node._setSubSel(false);node._select(false,false,false);});p=this.parent;while(p){p._select(false,false,false);var isPartSel=false;for(i=0,l=p.childList.length;i<l;i++){if(p.childList[i].bSelected||p.childList[i].hasSubSel){isPartSel=true;break;}}
p._setSubSel(isPartSel);p=p.parent;}}},_select:function(sel,fireEvents,deep){var opts=this.tree.options;if(this.data.isStatusNode){return;}
if(this.bSelected===sel){return;}
if(fireEvents&&opts.onQuerySelect&&opts.onQuerySelect.call(this.tree,sel,this)===false){return;}
if(opts.selectMode==1&&sel){this.tree.visit(function(node){if(node.bSelected){node._select(false,false,false);return false;}});}
this.bSelected=sel;if(sel){if(opts.persist){this.tree.persistence.addSelect(this.data.key);}
$(this.span).addClass(opts.classNames.selected);if(deep&&opts.selectMode===3){this._fixSelectionState();}
if(fireEvents&&opts.onSelect){opts.onSelect.call(this.tree,true,this);}}else{if(opts.persist){this.tree.persistence.clearSelect(this.data.key);}
$(this.span).removeClass(opts.classNames.selected);if(deep&&opts.selectMode===3){this._fixSelectionState();}
if(fireEvents&&opts.onSelect){opts.onSelect.call(this.tree,false,this);}}},select:function(sel){if(this.data.unselectable){return this.bSelected;}
return this._select(sel!==false,true,true);},toggleSelect:function(){return this.select(!this.bSelected);},isSelected:function(){return this.bSelected;},_loadContent:function(){try{var opts=this.tree.options;this.tree.logDebug("_loadContent: start - %o",this);this.setLazyNodeStatus(DTNodeStatus_Loading);if(true===opts.onLazyRead.call(this.tree,this)){this.setLazyNodeStatus(DTNodeStatus_Ok);this.tree.logDebug("_loadContent: succeeded - %o",this);}}catch(e){this.tree.logWarning("_loadContent: failed - %o",e);this.setLazyNodeStatus(DTNodeStatus_Error,{tooltip:""+e});}},_expand:function(bExpand,forceSync){if(this.bExpanded===bExpand){this.tree.logDebug("dtnode._expand(%o) IGNORED - %o",bExpand,this);return;}
this.tree.logDebug("dtnode._expand(%o) - %o",bExpand,this);var opts=this.tree.options;if(!bExpand&&this.getLevel()<opts.minExpandLevel){this.tree.logDebug("dtnode._expand(%o) prevented collapse - %o",bExpand,this);return;}
if(opts.onQueryExpand&&opts.onQueryExpand.call(this.tree,bExpand,this)===false){return;}
this.bExpanded=bExpand;if(opts.persist){if(bExpand){this.tree.persistence.addExpand(this.data.key);}else{this.tree.persistence.clearExpand(this.data.key);}}
var allowEffects=!(this.data.isLazy&&this.childList===null)&&!this.isLoading&&!forceSync;this.render(allowEffects);if(this.bExpanded&&this.parent&&opts.autoCollapse){var parents=this._parentList(false,true);for(var i=0,l=parents.length;i<l;i++){parents[i].collapseSiblings();}}
if(opts.activeVisible&&this.tree.activeNode&&!this.tree.activeNode.isVisible()){this.tree.activeNode.deactivate();}
if(bExpand&&this.data.isLazy&&this.childList===null&&!this.isLoading){this._loadContent();return;}
if(opts.onExpand){opts.onExpand.call(this.tree,bExpand,this);}},expand:function(flag){flag=(flag!==false);if(!this.childList&&!this.data.isLazy&&flag){return;}else if(this.parent===null&&!flag){return;}
this._expand(flag);},scheduleAction:function(mode,ms){if(this.tree.timer){clearTimeout(this.tree.timer);this.tree.logDebug("clearTimeout(%o)",this.tree.timer);}
var self=this;switch(mode){case"cancel":break;case"expand":this.tree.timer=setTimeout(function(){self.tree.logDebug("setTimeout: trigger expand");self.expand(true);},ms);break;case"activate":this.tree.timer=setTimeout(function(){self.tree.logDebug("setTimeout: trigger activate");self.activate();},ms);break;default:throw"Invalid mode "+mode;}
this.tree.logDebug("setTimeout(%s, %s): %s",mode,ms,this.tree.timer);},toggleExpand:function(){this.expand(!this.bExpanded);},collapseSiblings:function(){if(this.parent===null){return;}
var ac=this.parent.childList;for(var i=0,l=ac.length;i<l;i++){if(ac[i]!==this&&ac[i].bExpanded){ac[i]._expand(false);}}},_onClick:function(event){var targetType=this.getEventTargetType(event);if(targetType==="expander"){this.toggleExpand();this.focus();}else if(targetType==="checkbox"){this.toggleSelect();this.focus();}else{this._userActivate();var aTag=this.span.getElementsByTagName("a");if(aTag[0]){if(!$.browser.msie){aTag[0].focus();}}else{return true;}}
return false;},_onDblClick:function(event){},_onKeydown:function(event){var handled=true,sib;switch(event.which){case 107:case 187:if(!this.bExpanded){this.toggleExpand();}
break;case 109:case 189:if(this.bExpanded){this.toggleExpand();}
break;case 32:this._userActivate();break;case 8:if(this.parent){this.parent.focus();}
break;case 37:if(this.bExpanded){this.toggleExpand();this.focus();}else if(this.parent&&this.parent.parent){this.parent.focus();}
break;case 39:if(!this.bExpanded&&(this.childList||this.data.isLazy)){this.toggleExpand();this.focus();}else if(this.childList){this.childList[0].focus();}
break;case 38:sib=this.getPrevSibling();while(sib&&sib.bExpanded&&sib.childList){sib=sib.childList[sib.childList.length-1];}
if(!sib&&this.parent&&this.parent.parent){sib=this.parent;}
if(sib){sib.focus();}
break;case 40:if(this.bExpanded&&this.childList){sib=this.childList[0];}else{var parents=this._parentList(false,true);for(var i=parents.length-1;i>=0;i--){sib=parents[i].getNextSibling();if(sib){break;}}}
if(sib){sib.focus();}
break;default:handled=false;}
return!handled;},_onKeypress:function(event){},_onFocus:function(event){var opts=this.tree.options;if(event.type=="blur"||event.type=="focusout"){if(opts.onBlur){opts.onBlur.call(this.tree,this);}
if(this.tree.tnFocused){$(this.tree.tnFocused.span).removeClass(opts.classNames.focused);}
this.tree.tnFocused=null;if(opts.persist){$.cookie(opts.cookieId+"-focus","",opts.cookie);}}else if(event.type=="focus"||event.type=="focusin"){if(this.tree.tnFocused&&this.tree.tnFocused!==this){this.tree.logDebug("dtnode.onFocus: out of sync: curFocus: %o",this.tree.tnFocused);$(this.tree.tnFocused.span).removeClass(opts.classNames.focused);}
this.tree.tnFocused=this;if(opts.onFocus){opts.onFocus.call(this.tree,this);}
$(this.tree.tnFocused.span).addClass(opts.classNames.focused);if(opts.persist){$.cookie(opts.cookieId+"-focus",this.data.key,opts.cookie);}}},visit:function(fn,includeSelf){var res=true;if(includeSelf===true){res=fn(this);if(res===false||res=="skip"){return res;}}
if(this.childList){for(var i=0,l=this.childList.length;i<l;i++){res=this.childList[i].visit(fn,true);if(res===false){break;}}}
return res;},visitParents:function(fn,includeSelf){if(includeSelf&&fn(this)===false){return false;}
var p=this.parent;while(p){if(fn(p)===false){return false;}
p=p.parent;}
return true;},remove:function(){if(this===this.tree.root){throw"Cannot remove system root";}
return this.parent.removeChild(this);},removeChild:function(tn){var ac=this.childList;if(ac.length==1){if(tn!==ac[0]){throw"removeChild: invalid child";}
return this.removeChildren();}
if(tn===this.tree.activeNode){tn.deactivate();}
if(this.tree.options.persist){if(tn.bSelected){this.tree.persistence.clearSelect(tn.data.key);}
if(tn.bExpanded){this.tree.persistence.clearExpand(tn.data.key);}}
tn.removeChildren(true);this.ul.removeChild(tn.li);for(var i=0,l=ac.length;i<l;i++){if(ac[i]===tn){this.childList.splice(i,1);break;}}},removeChildren:function(isRecursiveCall,retainPersistence){this.tree.logDebug("%s.removeChildren(%o)",this,isRecursiveCall);var tree=this.tree;var ac=this.childList;if(ac){for(var i=0,l=ac.length;i<l;i++){var tn=ac[i];if(tn===tree.activeNode&&!retainPersistence){tn.deactivate();}
if(this.tree.options.persist&&!retainPersistence){if(tn.bSelected){this.tree.persistence.clearSelect(tn.data.key);}
if(tn.bExpanded){this.tree.persistence.clearExpand(tn.data.key);}}
tn.removeChildren(true,retainPersistence);if(this.ul){this.ul.removeChild(tn.li);}}
this.childList=null;}
if(!isRecursiveCall){this.isLoading=false;this.render();}},setTitle:function(title){this.fromDict({title:title});},reload:function(force){throw"Use reloadChildren() instead";},reloadChildren:function(callback){if(this.parent===null){throw"Use tree.reload() instead";}else if(!this.data.isLazy){throw"node.reloadChildren() requires lazy nodes.";}
if(callback){var self=this;var eventType="nodeLoaded.dynatree."+this.tree.$tree.attr("id")
+"."+this.data.key;this.tree.$tree.bind(eventType,function(e,node,isOk){self.tree.$tree.unbind(eventType);self.tree.logInfo("loaded %o, %o, %o",e,node,isOk);if(node!==self){throw"got invalid load event";}
callback.call(self.tree,node,isOk);});}
this.removeChildren();this._loadContent();},_loadKeyPath:function(keyPath,callback){var tree=this.tree;tree.logDebug("%s._loadKeyPath(%s)",this,keyPath);if(keyPath===""){throw"Key path must not be empty";}
var segList=keyPath.split(tree.options.keyPathSeparator);if(segList[0]===""){throw"Key path must be relative (don't start with '/')";}
var seg=segList.shift();for(var i=0,l=this.childList.length;i<l;i++){var child=this.childList[i];if(child.data.key===seg){if(segList.length===0){callback.call(tree,child,"ok");}else if(child.data.isLazy&&(child.childList===null||child.childList===undefined)){tree.logDebug("%s._loadKeyPath(%s) -> reloading %s...",this,keyPath,child);var self=this;child.reloadChildren(function(node,isOk){if(isOk){tree.logDebug("%s._loadKeyPath(%s) -> reloaded %s.",node,keyPath,node);callback.call(tree,child,"loaded");node._loadKeyPath(segList.join(tree.options.keyPathSeparator),callback);}else{tree.logWarning("%s._loadKeyPath(%s) -> reloadChildren() failed.",self,keyPath);callback.call(tree,child,"error");}});}else{callback.call(tree,child,"loaded");child._loadKeyPath(segList.join(tree.options.keyPathSeparator),callback);}
return;}}
tree.logWarning("Node not found: "+seg);return;},resetLazy:function(){if(this.parent===null){throw"Use tree.reload() instead";}else if(!this.data.isLazy){throw"node.resetLazy() requires lazy nodes.";}
this.expand(false);this.removeChildren();},_addChildNode:function(dtnode,beforeNode){var tree=this.tree;var opts=tree.options;var pers=tree.persistence;dtnode.parent=this;if(this.childList===null){this.childList=[];}else if(!beforeNode){$(this.childList[this.childList.length-1].span).removeClass(opts.classNames.lastsib);}
if(beforeNode){var iBefore=$.inArray(beforeNode,this.childList);if(iBefore<0){throw"<beforeNode> must be a child of <this>";}
this.childList.splice(iBefore,0,dtnode);}else{this.childList.push(dtnode);}
var isInitializing=tree.isInitializing();if(opts.persist&&pers.cookiesFound&&isInitializing){if(pers.activeKey==dtnode.data.key){tree.activeNode=dtnode;}
if(pers.focusedKey==dtnode.data.key){tree.focusNode=dtnode;}
dtnode.bExpanded=($.inArray(dtnode.data.key,pers.expandedKeyList)>=0);dtnode.bSelected=($.inArray(dtnode.data.key,pers.selectedKeyList)>=0);}else{if(dtnode.data.activate){tree.activeNode=dtnode;if(opts.persist){pers.activeKey=dtnode.data.key;}}
if(dtnode.data.focus){tree.focusNode=dtnode;if(opts.persist){pers.focusedKey=dtnode.data.key;}}
dtnode.bExpanded=(dtnode.data.expand===true);if(dtnode.bExpanded&&opts.persist){pers.addExpand(dtnode.data.key);}
dtnode.bSelected=(dtnode.data.select===true);if(dtnode.bSelected&&opts.persist){pers.addSelect(dtnode.data.key);}}
if(opts.minExpandLevel>=dtnode.getLevel()){this.bExpanded=true;}
if(dtnode.bSelected&&opts.selectMode==3){var p=this;while(p){if(!p.hasSubSel){p._setSubSel(true);}
p=p.parent;}}
if(tree.bEnableUpdate){this.render();}
return dtnode;},addChild:function(obj,beforeNode){if(typeof(obj)=="string"){throw"Invalid data type for "+obj;}else if(!obj||obj.length===0){return;}else if(obj instanceof DynaTreeNode){return this._addChildNode(obj,beforeNode);}
if(!obj.length){obj=[obj];}
var prevFlag=this.tree.enableUpdate(false);var tnFirst=null;for(var i=0,l=obj.length;i<l;i++){var data=obj[i];var dtnode=this._addChildNode(new DynaTreeNode(this,this.tree,data),beforeNode);if(!tnFirst){tnFirst=dtnode;}
if(data.children){dtnode.addChild(data.children,null);}}
this.tree.enableUpdate(prevFlag);return tnFirst;},append:function(obj){this.tree.logWarning("node.append() is deprecated (use node.addChild() instead).");return this.addChild(obj,null);},appendAjax:function(ajaxOptions){var self=this;this.removeChildren(false,true);this.setLazyNodeStatus(DTNodeStatus_Loading);if(ajaxOptions.debugLazyDelay){var ms=ajaxOptions.debugLazyDelay;ajaxOptions.debugLazyDelay=0;this.tree.logInfo("appendAjax: waiting for debugLazyDelay "+ms);setTimeout(function(){self.appendAjax(ajaxOptions);},ms);return;}
var orgSuccess=ajaxOptions.success;var orgError=ajaxOptions.error;var eventType="nodeLoaded.dynatree."+this.tree.$tree.attr("id")
+"."+this.data.key;var options=$.extend({},this.tree.options.ajaxDefaults,ajaxOptions,{success:function(data,textStatus){var prevPhase=self.tree.phase;self.tree.phase="init";if(options.postProcess){data=options.postProcess.call(this,data,this.dataType);}
if(!$.isArray(data)||data.length!==0){self.addChild(data,null);}
self.tree.phase="postInit";if(orgSuccess){orgSuccess.call(options,self);}
self.tree.logInfo("trigger "+eventType);self.tree.$tree.trigger(eventType,[self,true]);self.tree.phase=prevPhase;self.setLazyNodeStatus(DTNodeStatus_Ok);if($.isArray(data)&&data.length===0){self.childList=[];self.render();}},error:function(XMLHttpRequest,textStatus,errorThrown){self.tree.logWarning("appendAjax failed:",textStatus,":\n",XMLHttpRequest,"\n",errorThrown);if(orgError){orgError.call(options,self,XMLHttpRequest,textStatus,errorThrown);}
self.tree.$tree.trigger(eventType,[self,false]);self.setLazyNodeStatus(DTNodeStatus_Error,{info:textStatus,tooltip:""+errorThrown});}});$.ajax(options);},move:function(targetNode,mode){var pos;if(this===targetNode){return;}
if(!this.parent){throw"Cannot move system root";}
if(mode===undefined||mode=="over"){mode="child";}
var prevParent=this.parent;var targetParent=(mode==="child")?targetNode:targetNode.parent;if(targetParent.isDescendantOf(this)){throw"Cannot move a node to it's own descendant";}
if(this.parent.childList.length==1){this.parent.childList=null;this.parent.bExpanded=false;}else{pos=$.inArray(this,this.parent.childList);if(pos<0){throw"Internal error";}
this.parent.childList.splice(pos,1);}
this.parent.ul.removeChild(this.li);this.parent=targetParent;if(targetParent.hasChildren()){switch(mode){case"child":targetParent.childList.push(this);break;case"before":pos=$.inArray(targetNode,targetParent.childList);if(pos<0){throw"Internal error";}
targetParent.childList.splice(pos,0,this);break;case"after":pos=$.inArray(targetNode,targetParent.childList);if(pos<0){throw"Internal error";}
targetParent.childList.splice(pos+1,0,this);break;default:throw"Invalid mode "+mode;}}else{targetParent.childList=[this];if(!targetParent.ul){targetParent.ul=document.createElement("ul");targetParent.ul.style.display="none";targetParent.li.appendChild(targetParent.ul);}}
targetParent.ul.appendChild(this.li);if(this.tree!==targetNode.tree){this.visit(function(node){node.tree=targetNode.tree;},null,true);throw"Not yet implemented.";}
if(!prevParent.isDescendantOf(targetParent)){prevParent.render();}
if(!targetParent.isDescendantOf(prevParent)){targetParent.render();}},lastentry:undefined};var DynaTreeStatus=Class.create();DynaTreeStatus._getTreePersistData=function(cookieId,cookieOpts){var ts=new DynaTreeStatus(cookieId,cookieOpts);ts.read();return ts.toDict();};getDynaTreePersistData=DynaTreeStatus._getTreePersistData;DynaTreeStatus.prototype={initialize:function(cookieId,cookieOpts){this._log("DynaTreeStatus: initialize");if(cookieId===undefined){cookieId=$.ui.dynatree.prototype.options.cookieId;}
cookieOpts=$.extend({},$.ui.dynatree.prototype.options.cookie,cookieOpts);this.cookieId=cookieId;this.cookieOpts=cookieOpts;this.cookiesFound=undefined;this.activeKey=null;this.focusedKey=null;this.expandedKeyList=null;this.selectedKeyList=null;},_log:function(msg){Array.prototype.unshift.apply(arguments,["debug"]);_log.apply(this,arguments);},read:function(){this._log("DynaTreeStatus: read");this.cookiesFound=false;var cookie=$.cookie(this.cookieId+"-active");this.activeKey=(cookie===null)?"":cookie;if(cookie!==null){this.cookiesFound=true;}
cookie=$.cookie(this.cookieId+"-focus");this.focusedKey=(cookie===null)?"":cookie;if(cookie!==null){this.cookiesFound=true;}
cookie=$.cookie(this.cookieId+"-expand");this.expandedKeyList=(cookie===null)?[]:cookie.split(",");if(cookie!==null){this.cookiesFound=true;}
cookie=$.cookie(this.cookieId+"-select");this.selectedKeyList=(cookie===null)?[]:cookie.split(",");if(cookie!==null){this.cookiesFound=true;}},write:function(){this._log("DynaTreeStatus: write");$.cookie(this.cookieId+"-active",(this.activeKey===null)?"":this.activeKey,this.cookieOpts);$.cookie(this.cookieId+"-focus",(this.focusedKey===null)?"":this.focusedKey,this.cookieOpts);$.cookie(this.cookieId+"-expand",(this.expandedKeyList===null)?"":this.expandedKeyList.join(","),this.cookieOpts);$.cookie(this.cookieId+"-select",(this.selectedKeyList===null)?"":this.selectedKeyList.join(","),this.cookieOpts);},addExpand:function(key){this._log("addExpand(%o)",key);if($.inArray(key,this.expandedKeyList)<0){this.expandedKeyList.push(key);$.cookie(this.cookieId+"-expand",this.expandedKeyList.join(","),this.cookieOpts);}},clearExpand:function(key){this._log("clearExpand(%o)",key);var idx=$.inArray(key,this.expandedKeyList);if(idx>=0){this.expandedKeyList.splice(idx,1);$.cookie(this.cookieId+"-expand",this.expandedKeyList.join(","),this.cookieOpts);}},addSelect:function(key){this._log("addSelect(%o)",key);if($.inArray(key,this.selectedKeyList)<0){this.selectedKeyList.push(key);$.cookie(this.cookieId+"-select",this.selectedKeyList.join(","),this.cookieOpts);}},clearSelect:function(key){this._log("clearSelect(%o)",key);var idx=$.inArray(key,this.selectedKeyList);if(idx>=0){this.selectedKeyList.splice(idx,1);$.cookie(this.cookieId+"-select",this.selectedKeyList.join(","),this.cookieOpts);}},isReloading:function(){return this.cookiesFound===true;},toDict:function(){return{cookiesFound:this.cookiesFound,activeKey:this.activeKey,focusedKey:this.activeKey,expandedKeyList:this.expandedKeyList,selectedKeyList:this.selectedKeyList};},lastentry:undefined};var DynaTree=Class.create();DynaTree.version="$Version: 1.0.3$";DynaTree.prototype={initialize:function($widget){this.phase="init";this.$widget=$widget;this.options=$widget.options;this.$tree=$widget.element;this.timer=null;this.divTree=this.$tree.get(0);_initDragAndDrop(this);},_load:function(callback){var $widget=this.$widget;var opts=this.options;this.bEnableUpdate=true;this._nodeCount=1;this.activeNode=null;this.focusNode=null;if(opts.rootVisible!==undefined){_log("warn","Option 'rootVisible' is no longer supported.");}
if(opts.title!==undefined){_log("warn","Option 'title' is no longer supported.");}
if(opts.minExpandLevel<1){_log("warn","Option 'minExpandLevel' must be >= 1.");opts.minExpandLevel=1;}
if(opts.classNames!==$.ui.dynatree.prototype.options.classNames){opts.classNames=$.extend({},$.ui.dynatree.prototype.options.classNames,opts.classNames);}
if(opts.ajaxDefaults!==$.ui.dynatree.prototype.options.ajaxDefaults){opts.ajaxDefaults=$.extend({},$.ui.dynatree.prototype.options.ajaxDefaults,opts.ajaxDefaults);}
if(opts.dnd!==$.ui.dynatree.prototype.options.dnd){opts.dnd=$.extend({},$.ui.dynatree.prototype.options.dnd,opts.dnd);}
if(!opts.imagePath){$("script").each(function(){var _rexDtLibName=/.*dynatree[^\/]*\.js$/i;if(this.src.search(_rexDtLibName)>=0){if(this.src.indexOf("/")>=0){opts.imagePath=this.src.slice(0,this.src.lastIndexOf("/"))+"/skin/";}else{opts.imagePath="skin/";}
logMsg("Guessing imagePath from '%s': '%s'",this.src,opts.imagePath);return false;}});}
this.persistence=new DynaTreeStatus(opts.cookieId,opts.cookie);if(opts.persist){if(!$.cookie){_log("warn","Please include jquery.cookie.js to use persistence.");}
this.persistence.read();}
this.logDebug("DynaTree.persistence: %o",this.persistence.toDict());this.cache={tagEmpty:"<span class='"+opts.classNames.empty+"'></span>",tagVline:"<span class='"+opts.classNames.vline+"'></span>",tagExpander:"<span class='"+opts.classNames.expander+"'></span>",tagConnector:"<span class='"+opts.classNames.connector+"'></span>",tagNodeIcon:"<span class='"+opts.classNames.nodeIcon+"'></span>",tagCheckbox:"<span class='"+opts.classNames.checkbox+"'></span>",lastentry:undefined};if(opts.children||(opts.initAjax&&opts.initAjax.url)||opts.initId){$(this.divTree).empty();}else if(this.divRoot){$(this.divRoot).remove();}
this.tnRoot=new DynaTreeNode(null,this,{});this.tnRoot.bExpanded=true;this.tnRoot.render();this.divTree.appendChild(this.tnRoot.ul);var root=this.tnRoot;var isReloading=(opts.persist&&this.persistence.isReloading());var isLazy=false;var prevFlag=this.enableUpdate(false);this.logDebug("Dynatree._load(): read tree structure...");if(opts.children){root.addChild(opts.children);}else if(opts.initAjax&&opts.initAjax.url){isLazy=true;root.data.isLazy=true;this._reloadAjax(callback);}else if(opts.initId){this._createFromTag(root,$("#"+opts.initId));}else{var $ul=this.$tree.find(">ul:first").hide();this._createFromTag(root,$ul);$ul.remove();}
this._checkConsistency();this.logDebug("Dynatree._load(): render nodes...");this.enableUpdate(prevFlag);this.logDebug("Dynatree._load(): bind events...");this.$widget.bind();this.logDebug("Dynatree._load(): postInit...");this.phase="postInit";if(opts.persist){this.persistence.write();}
if(this.focusNode&&this.focusNode.isVisible()){this.logDebug("Focus on init: %o",this.focusNode);this.focusNode.focus();}
if(!isLazy&&opts.onPostInit){opts.onPostInit.call(this,isReloading,false);}
this.phase="idle";},_reloadAjax:function(callback){var opts=this.options;if(!opts.initAjax||!opts.initAjax.url){throw"tree.reload() requires 'initAjax' mode.";}
var pers=this.persistence;var ajaxOpts=$.extend({},opts.initAjax);if(ajaxOpts.addActiveKey){ajaxOpts.data.activeKey=pers.activeKey;}
if(ajaxOpts.addFocusedKey){ajaxOpts.data.focusedKey=pers.focusedKey;}
if(ajaxOpts.addExpandedKeyList){ajaxOpts.data.expandedKeyList=pers.expandedKeyList.join(",");}
if(ajaxOpts.addSelectedKeyList){ajaxOpts.data.selectedKeyList=pers.selectedKeyList.join(",");}
if(opts.onPostInit){if(ajaxOpts.success){this.logWarning("initAjax: success callback is ignored when onPostInit was specified.");}
if(ajaxOpts.error){this.logWarning("initAjax: error callback is ignored when onPostInit was specified.");}
var isReloading=pers.isReloading();ajaxOpts.success=function(dtnode){opts.onPostInit.call(dtnode.tree,isReloading,false);if(callback){callback.call(dtnode.tree,"ok");}};ajaxOpts.error=function(dtnode){opts.onPostInit.call(dtnode.tree,isReloading,true);if(callback){callback.call(dtnode.tree,"error");}};}
this.logDebug("Dynatree._init(): send Ajax request...");this.tnRoot.appendAjax(ajaxOpts);},toString:function(){return"Dynatree '"+this.$tree.attr("id")+"'";},toDict:function(){return this.tnRoot.toDict(true);},serializeArray:function(stopOnParents){var nodeList=this.getSelectedNodes(stopOnParents),name=this.$tree.attr("name")||this.$tree.attr("id"),arr=[];for(var i=0,l=nodeList.length;i<l;i++){arr.push({name:name,value:nodeList[i].data.key});}
return arr;},getPersistData:function(){return this.persistence.toDict();},logDebug:function(msg){if(this.options.debugLevel>=2){Array.prototype.unshift.apply(arguments,["debug"]);_log.apply(this,arguments);}},logInfo:function(msg){if(this.options.debugLevel>=1){Array.prototype.unshift.apply(arguments,["info"]);_log.apply(this,arguments);}},logWarning:function(msg){Array.prototype.unshift.apply(arguments,["warn"]);_log.apply(this,arguments);},isInitializing:function(){return(this.phase=="init"||this.phase=="postInit");},isReloading:function(){return(this.phase=="init"||this.phase=="postInit")&&this.options.persist&&this.persistence.cookiesFound;},isUserEvent:function(){return(this.phase=="userEvent");},redraw:function(){this.logDebug("dynatree.redraw()...");this.tnRoot.render(false);this.logDebug("dynatree.redraw() done.");},reload:function(callback){this._load(callback);},getRoot:function(){return this.tnRoot;},enable:function(){this.$widget.enable();},disable:function(){this.$widget.disable();},getNodeByKey:function(key){var el=document.getElementById(this.options.idPrefix+key);if(el){return el.dtnode?el.dtnode:null;}
var match=null;this.visit(function(node){if(node.data.key==key){match=node;return false;}},true);return match;},getActiveNode:function(){return this.activeNode;},reactivate:function(setFocus){var node=this.activeNode;if(node){this.activeNode=null;node.activate();if(setFocus){node.focus();}}},getSelectedNodes:function(stopOnParents){var nodeList=[];this.tnRoot.visit(function(node){if(node.bSelected){nodeList.push(node);if(stopOnParents===true){return"skip";}}});return nodeList;},activateKey:function(key){var dtnode=(key===null)?null:this.getNodeByKey(key);if(!dtnode){if(this.activeNode){this.activeNode.deactivate();}
this.activeNode=null;return null;}
dtnode.focus();dtnode.activate();return dtnode;},loadKeyPath:function(keyPath,callback){var segList=keyPath.split(this.options.keyPathSeparator);if(segList[0]===""){segList.shift();}
if(segList[0]==this.tnRoot.data.key){this.logDebug("Removed leading root key.");segList.shift();}
keyPath=segList.join(this.options.keyPathSeparator);return this.tnRoot._loadKeyPath(keyPath,callback);},selectKey:function(key,select){var dtnode=this.getNodeByKey(key);if(!dtnode){return null;}
dtnode.select(select);return dtnode;},enableUpdate:function(bEnable){if(this.bEnableUpdate==bEnable){return bEnable;}
this.bEnableUpdate=bEnable;if(bEnable){this.redraw();}
return!bEnable;},visit:function(fn,includeRoot){return this.tnRoot.visit(fn,includeRoot);},_createFromTag:function(parentTreeNode,$ulParent){var self=this;$ulParent.find(">li").each(function(){var $li=$(this);var $liSpan=$li.find(">span:first");var title;if($liSpan.length){title=$liSpan.html();}else{title=$li.html();var iPos=title.search(/<ul/i);if(iPos>=0){title=$.trim(title.substring(0,iPos));}else{title=$.trim(title);}}
var data={title:title,isFolder:$li.hasClass("folder"),isLazy:$li.hasClass("lazy"),expand:$li.hasClass("expanded"),select:$li.hasClass("selected"),activate:$li.hasClass("active"),focus:$li.hasClass("focused"),noLink:$li.hasClass("noLink")};if($li.attr("title")){data.tooltip=$li.attr("title");}
if($li.attr("id")){data.key=$li.attr("id");}
if($li.attr("data")){var dataAttr=$.trim($li.attr("data"));if(dataAttr){if(dataAttr.charAt(0)!="{"){dataAttr="{"+dataAttr+"}";}
try{$.extend(data,eval("("+dataAttr+")"));}catch(e){throw("Error parsing node data: "+e+"\ndata:\n'"+dataAttr+"'");}}}
var childNode=parentTreeNode.addChild(data);var $ul=$li.find(">ul:first");if($ul.length){self._createFromTag(childNode,$ul);}});},_checkConsistency:function(){},_setDndStatus:function(sourceNode,targetNode,helper,hitMode,accept){var $source=sourceNode?$(sourceNode.span):null;var $target=$(targetNode.span);if(!this.$dndMarker){this.$dndMarker=$("<div id='dynatree-drop-marker'></div>").hide().prependTo($(this.divTree).parent());logMsg("Creating marker: %o",this.$dndMarker);}
if(hitMode==="after"||hitMode==="before"||hitMode==="over"){var pos=$target.position();switch(hitMode){case"before":this.$dndMarker.removeClass("dynatree-drop-after dynatree-drop-over");this.$dndMarker.addClass("dynatree-drop-before");pos.top-=8;break;case"after":this.$dndMarker.removeClass("dynatree-drop-before dynatree-drop-over");this.$dndMarker.addClass("dynatree-drop-after");pos.top+=8;break;default:this.$dndMarker.removeClass("dynatree-drop-after dynatree-drop-before");this.$dndMarker.addClass("dynatree-drop-over");$target.addClass("dynatree-drop-target");pos.left+=8;}
this.$dndMarker.css({"left":(pos.left)+"px","top":(pos.top)+"px"}).show();}else{$target.removeClass("dynatree-drop-target");this.$dndMarker.hide();}
if(hitMode==="after"){$target.addClass("dynatree-drop-after");}else{$target.removeClass("dynatree-drop-after");}
if(hitMode==="before"){$target.addClass("dynatree-drop-before");}else{$target.removeClass("dynatree-drop-before");}
if(accept===true){if($source){$source.addClass("dynatree-drop-accept");}
$target.addClass("dynatree-drop-accept");helper.addClass("dynatree-drop-accept");}else{if($source){$source.removeClass("dynatree-drop-accept");}
$target.removeClass("dynatree-drop-accept");helper.removeClass("dynatree-drop-accept");}
if(accept===false){if($source){$source.addClass("dynatree-drop-reject");}
$target.addClass("dynatree-drop-reject");helper.addClass("dynatree-drop-reject");}else{if($source){$source.removeClass("dynatree-drop-reject");}
$target.removeClass("dynatree-drop-reject");helper.removeClass("dynatree-drop-reject");}},_onDragEvent:function(eventName,node,otherNode,event,ui,draggable){if(eventName!=="over"){this.logDebug("tree._onDragEvent(%s, %o, %o) - %o",eventName,node,otherNode,this);}
var opts=this.options;var dnd=this.options.dnd;var res=null;var nodeTag=$(node.span);var hitMode;switch(eventName){case"helper":var helper=$("<div class='dynatree-drag-helper'><span class='dynatree-drag-helper-img' /></div>").append($(event.target).closest('a').clone());helper.data("dtSourceNode",node);this.logDebug("helper.sourceNode=%o",helper.data("dtSourceNode"));res=helper;break;case"start":if(node.isStatusNode()){res=false;}else if(dnd.onDragStart){res=dnd.onDragStart(node);}
if(res===false){this.logDebug("tree.onDragStart() cancelled");ui.helper.trigger("mouseup");ui.helper.hide();}else{nodeTag.addClass("dynatree-drag-source");}
break;case"enter":res=dnd.onDragEnter?dnd.onDragEnter(node,otherNode):null;res={over:(res!==false)&&((res===true)||(res==="over")||$.inArray("over",res)>=0),before:(res!==false)&&((res===true)||(res==="before")||$.inArray("before",res)>=0),after:(res!==false)&&((res===true)||(res==="after")||$.inArray("after",res)>=0)};ui.helper.data("enterResponse",res);this.logDebug("helper.enterResponse: %o",res);break;case"over":var enterResponse=ui.helper.data("enterResponse");hitMode=null;if(enterResponse===false){break;}else if(typeof enterResponse==="string"){hitMode=enterResponse;}else{var nodeOfs=nodeTag.offset();var relPos={x:event.pageX-nodeOfs.left,y:event.pageY-nodeOfs.top};var relPos2={x:relPos.x/nodeTag.width(),y:relPos.y/nodeTag.height()};if(enterResponse.after&&relPos2.y>0.75){hitMode="after";}else if(!enterResponse.over&&enterResponse.after&&relPos2.y>0.5){hitMode="after";}else if(enterResponse.before&&relPos2.y<=0.25){hitMode="before";}else if(!enterResponse.over&&enterResponse.before&&relPos2.y<=0.5){hitMode="before";}else if(enterResponse.over){hitMode="over";}
if(dnd.preventVoidMoves){if(node===otherNode){this.logDebug("    drop over source node prevented");hitMode=null;}else if(hitMode==="before"&&otherNode&&node===otherNode.getNextSibling()){this.logDebug("    drop after source node prevented");hitMode=null;}else if(hitMode==="after"&&otherNode&&node===otherNode.getPrevSibling()){this.logDebug("    drop before source node prevented");hitMode=null;}else if(hitMode==="over"&&otherNode&&otherNode.parent===node&&otherNode.isLastSibling()){this.logDebug("    drop last child over own parent prevented");hitMode=null;}}
this.logDebug("hitMode: %s - %s - %s",hitMode,(node.parent===otherNode),node.isLastSibling());ui.helper.data("hitMode",hitMode);}
if(hitMode==="over"&&dnd.autoExpandMS&&node.hasChildren()!==false&&!node.bExpanded){node.scheduleAction("expand",dnd.autoExpandMS);}
if(hitMode&&dnd.onDragOver){res=dnd.onDragOver(node,otherNode,hitMode);}
this._setDndStatus(otherNode,node,ui.helper,hitMode,res!==false);break;case"drop":hitMode=ui.helper.data("hitMode");if(hitMode&&dnd.onDrop){dnd.onDrop(node,otherNode,hitMode,ui,draggable);}
break;case"leave":node.scheduleAction("cancel");ui.helper.data("enterResponse",null);ui.helper.data("hitMode",null);this._setDndStatus(otherNode,node,ui.helper,"out",undefined);if(dnd.onDragLeave){dnd.onDragLeave(node,otherNode);}
break;case"stop":nodeTag.removeClass("dynatree-drag-source");if(dnd.onDragStop){dnd.onDragStop(node);}
break;default:throw"Unsupported drag event: "+eventName;}
return res;},cancelDrag:function(){var dd=$.ui.ddmanager.current;if(dd){dd.cancel();}},lastentry:undefined};$.widget("ui.dynatree",{_init:function(){if(parseFloat($.ui.version)<1.8){_log("warn","ui.dynatree._init() was called; you should upgrade to jquery.ui.core.js v1.8 or higher.");return this._create();}
_log("debug","ui.dynatree._init() was called; no current default functionality.");},_create:function(){logMsg("Dynatree._create(): version='%s', debugLevel=%o.",DynaTree.version,this.options.debugLevel);var opts=this.options;this.options.event+=".dynatree";var divTree=this.element.get(0);this.tree=new DynaTree(this);this.tree._load();this.tree.logDebug("Dynatree._init(): done.");},bind:function(){this.unbind();var eventNames="click.dynatree dblclick.dynatree";if(this.options.keyboard){eventNames+=" keypress.dynatree keydown.dynatree";}
this.element.bind(eventNames,function(event){var dtnode=getDtNodeFromElement(event.target);if(!dtnode){return true;}
var tree=dtnode.tree;var o=tree.options;tree.logDebug("event(%s): dtnode: %s",event.type,dtnode);var prevPhase=tree.phase;tree.phase="userEvent";try{switch(event.type){case"click":return(o.onClick&&o.onClick.call(tree,dtnode,event)===false)?false:dtnode._onClick(event);case"dblclick":return(o.onDblClick&&o.onDblClick.call(tree,dtnode,event)===false)?false:dtnode._onDblClick(event);case"keydown":return(o.onKeydown&&o.onKeydown.call(tree,dtnode,event)===false)?false:dtnode._onKeydown(event);case"keypress":return(o.onKeypress&&o.onKeypress.call(tree,dtnode,event)===false)?false:dtnode._onKeypress(event);}}catch(e){var _=null;tree.logWarning("bind(%o): dtnode: %o, error: %o",event,dtnode,e);}finally{tree.phase=prevPhase;}});function __focusHandler(event){event=$.event.fix(event||window.event);var dtnode=getDtNodeFromElement(event.target);return dtnode?dtnode._onFocus(event):false;}
var div=this.tree.divTree;if(div.addEventListener){div.addEventListener("focus",__focusHandler,true);div.addEventListener("blur",__focusHandler,true);}else{div.onfocusin=div.onfocusout=__focusHandler;}},unbind:function(){this.element.unbind(".dynatree");},enable:function(){this.bind();$.Widget.prototype.enable.apply(this,arguments);},disable:function(){this.unbind();$.Widget.prototype.disable.apply(this,arguments);},getTree:function(){return this.tree;},getRoot:function(){return this.tree.getRoot();},getActiveNode:function(){return this.tree.getActiveNode();},getSelectedNodes:function(){return this.tree.getSelectedNodes();},lastentry:undefined});if(parseFloat($.ui.version)<1.8){$.ui.dynatree.getter="getTree getRoot getActiveNode getSelectedNodes";}
$.ui.dynatree.prototype.options={title:"Dynatree",minExpandLevel:1,imagePath:null,children:null,initId:null,initAjax:null,autoFocus:true,keyboard:true,persist:false,autoCollapse:false,clickFolderMode:3,activeVisible:true,checkbox:false,selectMode:2,fx:null,noLink:false,onClick:null,onDblClick:null,onKeydown:null,onKeypress:null,onFocus:null,onBlur:null,onQueryActivate:null,onQuerySelect:null,onQueryExpand:null,onPostInit:null,onActivate:null,onDeactivate:null,onSelect:null,onExpand:null,onLazyRead:null,dnd:{onDragStart:null,onDragStop:null,autoExpandMS:1000,preventVoidMoves:true,onDragEnter:null,onDragOver:null,onDrop:null,onDragLeave:null},ajaxDefaults:{cache:false,dataType:"json"},strings:{loading:"Loading&#8230;",loadError:"Load error!"},generateIds:false,idPrefix:"dynatree-id-",keyPathSeparator:"/",cookieId:"dynatree",cookie:{expires:null},classNames:{container:"dynatree-container",node:"dynatree-node",folder:"dynatree-folder",empty:"dynatree-empty",vline:"dynatree-vline",expander:"dynatree-expander",connector:"dynatree-connector",checkbox:"dynatree-checkbox",nodeIcon:"dynatree-icon",title:"dynatree-title",noConnector:"dynatree-no-connector",nodeError:"dynatree-statusnode-error",nodeWait:"dynatree-statusnode-wait",hidden:"dynatree-hidden",combinedExpanderPrefix:"dynatree-exp-",combinedIconPrefix:"dynatree-ico-",nodeLoading:"dynatree-loading",hasChildren:"dynatree-has-children",active:"dynatree-active",selected:"dynatree-selected",expanded:"dynatree-expanded",lazy:"dynatree-lazy",focused:"dynatree-focused",partsel:"dynatree-partsel",lastsib:"dynatree-lastsib"},debugLevel:1,lastentry:undefined};if(parseFloat($.ui.version)<1.8){$.ui.dynatree.defaults=$.ui.dynatree.prototype.options;}
$.ui.dynatree.nodedatadefaults={title:null,key:null,isFolder:false,isLazy:false,tooltip:null,icon:null,addClass:null,noLink:false,activate:false,focus:false,expand:false,select:false,hideCheckbox:false,unselectable:false,children:null,lastentry:undefined};function _initDragAndDrop(tree){var dnd=tree.options.dnd||null;if(dnd&&(dnd.onDragStart||dnd.onDrop)){_registerDnd();}
if(dnd&&dnd.onDragStart){tree.$tree.draggable({addClasses:false,appendTo:"body",containment:false,delay:0,distance:4,revert:false,connectToDynatree:true,helper:function(event){var sourceNode=getDtNodeFromElement(event.target);return sourceNode.tree._onDragEvent("helper",sourceNode,null,event,null,null);},_last:null});}
if(dnd&&dnd.onDrop){tree.$tree.droppable({addClasses:false,tolerance:"intersect",greedy:false,_last:null});}}
var didRegisterDnd=false;var _registerDnd=function(){if(didRegisterDnd){return;}
$.ui.plugin.add("draggable","connectToDynatree",{start:function(event,ui){var draggable=$(this).data("draggable");var sourceNode=ui.helper.data("dtSourceNode")||null;logMsg("draggable-connectToDynatree.start, %s",sourceNode);logMsg("    this: %o",this);logMsg("    event: %o",event);logMsg("    draggable: %o",draggable);logMsg("    ui: %o",ui);if(sourceNode){draggable.offset.click.top=-2;draggable.offset.click.left=+16;return sourceNode.tree._onDragEvent("start",sourceNode,null,event,ui,draggable);}},drag:function(event,ui){var draggable=$(this).data("draggable");var sourceNode=ui.helper.data("dtSourceNode")||null;var prevTargetNode=ui.helper.data("dtTargetNode")||null;var targetNode=getDtNodeFromElement(event.target);if(event.target&&!targetNode){var isHelper=$(event.target).closest("div.dynatree-drag-helper,#dynatree-drop-marker").length>0;if(isHelper){logMsg("Drag event over helper: ignored.");return;}}
ui.helper.data("dtTargetNode",targetNode);if(prevTargetNode&&prevTargetNode!==targetNode){prevTargetNode.tree._onDragEvent("leave",prevTargetNode,sourceNode,event,ui,draggable);}
if(targetNode){if(!targetNode.tree.options.dnd.onDrop){noop();}else if(targetNode===prevTargetNode){targetNode.tree._onDragEvent("over",targetNode,sourceNode,event,ui,draggable);}else{targetNode.tree._onDragEvent("enter",targetNode,sourceNode,event,ui,draggable);}}},stop:function(event,ui){var draggable=$(this).data("draggable");var sourceNode=ui.helper.data("dtSourceNode")||null;var targetNode=ui.helper.data("dtTargetNode")||null;logMsg("draggable-connectToDynatree.stop: targetNode(from event): %s, dtTargetNode: %s",targetNode,ui.helper.data("dtTargetNode"));logMsg("draggable-connectToDynatree.stop, %s",sourceNode);var mouseDownEvent=draggable._mouseDownEvent;var eventType=event.type;logMsg("    type: %o, downEvent: %o, upEvent: %o",eventType,mouseDownEvent,event);logMsg("    targetNode: %o",targetNode);var dropped=(eventType=="mouseup"&&event.which==1);if(!dropped){logMsg("Drag was cancelled");}
if(targetNode){if(dropped){targetNode.tree._onDragEvent("drop",targetNode,sourceNode,event,ui,draggable);}
targetNode.tree._onDragEvent("leave",targetNode,sourceNode,event,ui,draggable);}
if(sourceNode){sourceNode.tree._onDragEvent("stop",sourceNode,null,event,ui,draggable);}}});didRegisterDnd=true;};})(jQuery);

/* - ++resource++collective.dynatree/dynatree-init.js - */
_.templateSettings = {
  interpolate : /\{\{(.+?)\}\}/g
};

var DataModel = Backbone.Model.extend({
    initialize: function(){
        function change_params(model, params){ 
            var real_params = new Array();
            _.each(params.split('/'), function(param){
                var pair = param.split(',');
	        var value = pair[1].replace(/^\s+|\s+$/g, "");
                if (!isNaN(value)) { value = parseInt(value); };
                if (value=='True') { value = true; };
                if (value=='False') { value = false; };		
	        real_params[pair[0].replace(/^\s+|\s+$/g, "")] = value;
            });
            model.set({params: real_params}, {silent: true});
        }

        _.bindAll(this, "update", "update_selected", "getDataFor");

        this.bind("change:params", change_params);

        this.trigger("change:params", this, this.get("params")); 
        jq.get(this.get("url"), this.update);
    },
    defaults: {sparse: false},
    update_selected: function(selected){
        if (this.get("params").selectMode == 1){ // Single Select
            selected = [_.last(selected)];
        }
        this.set({selected: selected});
    },
    update: function(result){
        var new_children = JSON.parse(result);
        var new_selected = this.validateSelected(new_children);
        this.set({selected: new_selected}, {silent:true});
        this.set({children: new_children});
    },
    validateSelected: function(new_children){
        function get_keys(node){
            return [node.key].concat(_.map(node.children, get_keys));
        }
        var keys = _.flatten(_.map(new_children, get_keys));
        return _.intersection(keys, this.get("selected"));
    },
    getChildren: function(){
        var selected = this.get("selected");
        var filter = this.get("filter") && this.get("filter").toLowerCase();
        var sparse_cache = {};
        function map_no_false(elems, filter){
            return _.without(_.map(elems, filter), false);
        };
        function is_selected_or_has_selected_children(node){
            if (node.key in sparse_cache){
                return sparse_cache[node.key];
            }
            if(_.detect(selected, function(selected_key){
                return selected_key == node.key;
            })){
                sparse_cache[node.key] = true;
                return true;
            }else{
                if(_.detect(node.children, function(child){
                    return is_selected_or_has_selected_children(child);
                })){
                    sparse_cache[node.key] = true;
                    return true;
                }
            }
            sparse_cache[node.key] = false;
            return false;
        };
        function remove_unselected(node){
            if(!is_selected_or_has_selected_children(node)){
                return false;
            }
            var retval = _.clone(node);
            retval.children = map_no_false(retval.children, remove_unselected);
            return retval;
        }
        function remove_non_matching(node){
            if(!is_selected_or_has_selected_children(node)){
                if (node.title.toLowerCase().indexOf(filter) != -1){
                    return _.clone(node);
                }else{
                    var retval = _.clone(node);
                    retval.children = map_no_false(retval.children, remove_non_matching);
                    if(!!retval.children.length){
                        return retval;
                    }else{
                        return false;
                    }
                }
            }
            var retval = _.clone(node);
            retval.children = map_no_false(retval.children, remove_non_matching);
            return retval;
        }
        function show_selected(node){
            if(_.detect(node.children, function(child){
                return is_selected_or_has_selected_children(child);
            })){
                node.expand = true;
            }
            _.each(node.children, show_selected);
        }
        var retval = this.get("children");
        if(this.get("sparse")){
            retval = map_no_false(retval, remove_unselected);
        }
        if(this.get("filter")){
            retval = map_no_false(retval, remove_non_matching);
        }
        _.each(retval, show_selected);
        return retval;
    },
    getDataFor: function(key){
        function getDataFromChildren(key, children){
            var retval = undefined;
            _.detect(children, function(child){
                if(child.key == key){
                    retval = child;
                    return true;
                }else{
                    var child_result = getDataFromChildren(key, child.children);
                    if(child_result !== undefined){
                        retval = child_result;
                        return true;
                    }
                }
                return false;
            });
            return retval;
        }
        return getDataFromChildren(key, this.get("children") || []);
    }
});

var Dynatree = Backbone.View.extend({
    initialize:function(){
        _.bindAll(this, "render");
        this.model.bind("change:children", this.render);
        this.model.bind("change:selected", this.render);
        this.model.bind("change:sparse", this.render);
        this.model.bind("change:filter", this.render);
    },
    render:function(model){
        var tree = this.el.dynatree("getTree");

        if(tree.getRoot === undefined){
            function onQuerySelect(selected, node){
                if(!this.isUserEvent()){
                    return true;
                }
                var new_selected = model.get("selected");
                var key = node.data.key;
                if(selected){
                    new_selected = _.union(new_selected, [key]);
                }else{
                    new_selected = _.without(new_selected, key);
                }
                model.update_selected(new_selected);
                return false;
            }

            var params = _.extend({}, 
                                  this.model.get("params"), 
                                  {children: this.model.getChildren(),
                                   onQuerySelect: onQuerySelect});
            this.el.dynatree(params);
            tree = this.el.dynatree("getTree");
        }else{
            tree.options.children = this.model.getChildren();
            tree.reload();
        }
        // We are faking here thet we are outside of the select event
        tree.phase = "idle"; 
        _.each(this.model.get("selected"), function(key){
            tree.getNodeByKey(key).select();
        });
    }
});

var HiddenForm = Backbone.View.extend({
    initialize: function(){
        _.bindAll(this, "render");
        this.model.bind("change:selected", this.render);
    },
    render: function(){
        var val = "";
        if(this.model.get("selected").length){
            val = _.reduce(this.model.get("selected"), 
                           function(a,b){return a + '|' + b;}
                          );
        }
        this.el.val(val);
    }
});

var Filter = Backbone.View.extend({
    initialize: function(){
        _.bindAll(this, 'updateFilter', 'render');
        this.model.bind("change:filter", this.render);
    },
    events: {
        'keyup input': "updateFilter"
    },
    updateFilter: function(){
        var filter = this.el.find('.filter').val();
        this.model.set({'filter': filter});
        if(filter && this.model.get("sparse")){
            this.model.set({sparse: false});
        }
        return false;
    },
    render: function(){
        this.el.find('input').val(this.model.get("filter"));
    }
    
});
var VariousUIElements = Backbone.View.extend({
    initialize: function(){
        _.bindAll(this, "toggleSparse", "render");
        this.model.bind("change:sparse", this.render);
        this.render();
    },
    events: {
        "click .sparse": "toggleSparse"
    },
    toggleSparse: function(){
        if(!this.model.get("filter")){
            this.model.set({sparse: !this.model.get("sparse")});
            this.render();
        }
    },
    render: function(){
        if(this.model.get("sparse")){
            this.el.find(".sparse").text("Expand");
        }else{
            this.el.find(".sparse").text("Sparse");
        }
    }
});

var FlatListDisplay = Backbone.View.extend({
    initialize: function(){
        _.bindAll(this, "render", "delete_elem");
        this.template = _.template(this.el.find(".flatlist-template").html());
        this.model.bind("change:selected", this.render);
        this.model.bind("change:children", this.render);
    },
    events: {
        "click .delete": "delete_elem"
    },
    render: function(){
        var last_elem = undefined;
        var ordered_keys = this.getOrderedKeys();
        var model = this.model;
        var template = this.template;
        var el = this.el;
        var flatlist_items = this.el.find(".flatlist-item");
        _.each(flatlist_items.splice(1, flatlist_items.length), function(item){
            jq(item).remove();
        });
        _.each(ordered_keys, function(key){
            var title = key;
            if(model.get("params").FlatListShow != "key"){
                title = model.getDataFor(key).title;
            }
            var new_elem = template({title: title,
                                     key: key});
            if(last_elem === undefined){
                el.append(new_elem);
            }else{
                last_elem.after(new_elem);
                last_elem = new_elem;
            }
        });
        el.append("<div class='visualClear'></div>");
    },
    getOrderedKeys: function(){
        var model = this.model;
        var sortFunc = function(key){
            return model.getDataFor(key).title;
        };
        if(this.model.get("params").FlatListShow == "key"){
            sortFunc = function(key){
                return key;
            };
        }
        return _.sortBy(model.get("selected"), sortFunc);
    },
    delete_elem: function(event){
        var key = jq(event.target).parent(".flatlist-item").attr("key");
        var new_selected = _.without(this.model.get("selected"), key);
        this.model.update_selected(new_selected);
    }
});

jq(document).ready(function() {
    jq('.dynatree-atwidget').each(function () {
	// get parameters 
	var jqthis = jq(this);
        var datamodel = new DataModel({url: jqthis.find(".dynatree_ajax_vocabulary").text(),
                                       selected: _.filter(jqthis.find('input.selected').val().split('|'),
                                                          function(elem){return elem;}),
                                       params: jqthis.find('.dynatree_parameters').text(),
                                       name: jqthis.find('input.selected').attr('id')
                                     });
        jqthis.data('collective.dynatree', datamodel);
        var tree = new Dynatree({el: jqthis.find('.collective-dynatree-tree'),
                                 model: datamodel});
        var hiddeninput = new HiddenForm({el: jqthis.find(".hiddeninput"),
                                    model: datamodel});
        if(datamodel.get("params").filter){            
            var filter = new Filter({el: jqthis.find(".dynatree_filter"),
                                     model: datamodel});
        }
        if(datamodel.get("params").sparse){
            var various = new VariousUIElements({el: jqthis.find(".ui_controls"),
                                                 model: datamodel});
        }
        if(datamodel.get("params").flatlist){
            var flatlist = new FlatListDisplay({el: jqthis.find(".flatlist_container"),
                                                model: datamodel});
        }
    });
});


/* - ++resource++gfb.theme.js/dynatree_customizations.js - */
// http://www.gefaehrdungsbeurteilung.de/portal_javascripts/++resource++gfb.theme.js/dynatree_customizations.js?original=1
var CustomHiddenForm=Backbone.View.extend({initialize: function(){_.bindAll(this,"render");this.model.bind("change:selected",this.render);this.render()},render: function(){var name=this.model.get("name");if(this.model.get("selected").length||jq('input[name="'+name+':list"]').length){var el=this.el;var tmpl=this.input_template;el.empty();_.each(this.model.get("selected"), function(elem){jq(tmpl({name:name,value:elem})).appendTo(el)})}},input_template:_.template('<input type="hidden" name="{{ name }}:list" value="{{ value }}" />')});jq(document).ready(function(){jq(".dynatree-custom").each(function(){var jqthis=jq(this);var datamodel=jqthis.data('collective.dynatree');var custom_hidden_form=new CustomHiddenForm({el:jqthis.find(".customhiddeninput"),model:datamodel})});jq(".closed_widget").hide();
function runEffect(fname){var selectedEffect="blind";var options={};jq("#"+fname).toggle(selectedEffect,options,500)};jq(".toggleButton").click(function(){var jqthis=jq(this);jqthis.toggleClass('opened');jqthis.next().toggleClass('opened');var fname=jqthis[0].id.replace('button_','widget_');runEffect(fname);return false})});