wp/nwyj/.svn/pristine/7d/7dc79e37b8a66ae2920a1975aac493add62504fa.svn-base

if (!dojo._hasResource["dojox.collections.SortedList"]) { // _hasResource
															// checks added by
															// build. Do not use
															// _hasResource
															// directly in your
															// code.
	dojo._hasResource["dojox.collections.SortedList"] = true;
	dojo.provide("dojox.collections.SortedList");
	dojo.require("dojox.collections._base");

	dojox.collections.SortedList = function(/* object? */dictionary) {
		// summary
		// creates a collection that acts like a dictionary but is also
		// internally sorted.
		// Note that the act of adding any elements forces an internal resort,
		// making this object potentially slow.
		var _this = this;
		var items = {};
		var q = [];
		var sorter = function(a, b) {
			if (a.key > b.key)
				return 1;
			if (a.key < b.key)
				return -1;
			return 0;
		};
		var build = function() {
			q = [];
			var e = _this.getIterator();
			while (!e.atEnd()) {
				q.push(e.get());
			}
			q.sort(sorter);
		};
		var testObject = {};

		this.count = q.length;
		this.add = function(/* string */k,/* object */v) {
			// summary
			// add the passed value to the dictionary at location k
			if (!items[k]) {
				items[k] = new dojox.collections.DictionaryEntry(k, v);
				this.count = q.push(items[k]);
				q.sort(sorter);
			}
		};
		this.clear = function() {
			// summary
			// clear the internal collections
			items = {};
			q = [];
			this.count = q.length;
		};
		this.clone = function() {
			// summary
			// create a clone of this sorted list
			return new dojox.collections.SortedList(this); // dojox.collections.SortedList
		};
		this.contains = this.containsKey = function(/* string */k) {
			// summary
			// Check to see if the list has a location k
			if (testObject[k]) {
				return false; // bool
			}
			return (items[k] != null); // bool
		};
		this.containsValue = function(/* object */o) {
			// summary
			// Check to see if this list contains the passed object
			var e = this.getIterator();
			while (!e.atEnd()) {
				var item = e.get();
				if (item.value == o) {
					return true; // bool
				}
			}
			return false; // bool
		};
		this.copyTo = function(/* array */arr, /* int */i) {
			// summary
			// copy the contents of the list into array arr at index i
			var e = this.getIterator();
			var idx = i;
			while (!e.atEnd()) {
				arr.splice(idx, 0, e.get());
				idx++;
			}
		};
		this.entry = function(/* string */k) {
			// summary
			// return the object at location k
			return items[k]; // dojox.collections.DictionaryEntry
		};
		this.forEach = function(/* function */fn, /* object? */scope) {
			// summary
			// functional iterator, following the mozilla spec.
			dojo.forEach(q, fn, scope);
		};
		this.getByIndex = function(/* int */i) {
			// summary
			// return the item at index i
			return q[i].valueOf(); // object
		};
		this.getIterator = function() {
			// summary
			// get an iterator for this object
			return new dojox.collections.DictionaryIterator(items); // dojox.collections.DictionaryIterator
		};
		this.getKey = function(/* int */i) {
			// summary
			// return the key of the item at index i
			return q[i].key;
		};
		this.getKeyList = function() {
			// summary
			// return an array of the keys set in this list
			var arr = [];
			var e = this.getIterator();
			while (!e.atEnd()) {
				arr.push(e.get().key);
			}
			return arr; // array
		};
		this.getValueList = function() {
			// summary
			// return an array of values in this list
			var arr = [];
			var e = this.getIterator();
			while (!e.atEnd()) {
				arr.push(e.get().value);
			}
			return arr; // array
		};
		this.indexOfKey = function(/* string */k) {
			// summary
			// return the index of the passed key.
			for (var i = 0; i < q.length; i++) {
				if (q[i].key == k) {
					return i; // int
				}
			}
			return -1; // int
		};
		this.indexOfValue = function(/* object */o) {
			// summary
			// return the first index of object o
			for (var i = 0; i < q.length; i++) {
				if (q[i].value == o) {
					return i; // int
				}
			}
			return -1; // int
		};
		this.item = function(/* string */k) {
			// summary
			// return the value of the object at location k.
			if (k in items && !testObject[k]) {
				return items[k].valueOf(); // object
			}
			return undefined; // object
		};
		this.remove = function(/* string */k) {
			// summary
			// remove the item at location k and rebuild the internal
			// collections.
			delete items[k];
			build();
			this.count = q.length;
		};
		this.removeAt = function(/* int */i) {
			// summary
			// remove the item at index i, and rebuild the internal collections.
			delete items[q[i].key];
			build();
			this.count = q.length;
		};
		this.replace = function(/* string */k, /* object */v) {
			// summary
			// Replace an existing item if it's there, and add a new one if not.
			if (!items[k]) {
				// we're adding a new object, return false
				this.add(k, v);
				return false; // bool
			} else {
				// we're replacing an object, return true
				items[k] = new dojox.collections.DictionaryEntry(k, v);
				build();
				return true; // bool
			}
		};
		this.setByIndex = function(/* int */i, /* object */o) {
			// summary
			// set an item by index
			items[q[i].key].value = o;
			build();
			this.count = q.length;
		};
		if (dictionary) {
			var e = dictionary.getIterator();
			while (!e.atEnd()) {
				var item = e.get();
				q[q.length] = items[item.key] = new dojox.collections.DictionaryEntry(
						item.key, item.value);
			}
			q.sort(sorter);
		}
	}

}