4 * Copyright(c) 2006-2007, Ext JS, LLC.
6 * Originally Released Under LGPL - original licence link has changed is not relivant.
9 * <script type="text/javascript">
14 * @class Roo.CompositeElement
15 * Standard composite class. Creates a Roo.Element for every element in the collection.
17 * <b>NOTE: Although they are not listed, this class supports all of the set/update methods of Roo.Element. All Roo.Element
18 * actions will be performed on all the elements in this collection.</b>
20 * All methods return <i>this</i> and can be chained.
22 var els = Roo.select("#some-el div.some-class", true);
23 // or select directly from an existing element
24 var el = Roo.get('some-el');
25 el.select('div.some-class', true);
27 els.setWidth(100); // all elements become 100 width
28 els.hide(true); // all elements fade out and hide
30 els.setWidth(100).hide(true);
33 Roo.CompositeElement = function(els){
35 this.addElements(els);
37 Roo.CompositeElement.prototype = {
39 addElements : function(els){
41 if(typeof els == "string"){
42 els = Roo.Element.selectorFunction(els);
44 var yels = this.elements;
45 var index = yels.length-1;
46 for(var i = 0, len = els.length; i < len; i++) {
47 yels[++index] = Roo.get(els[i]);
53 * Clears this composite and adds the elements returned by the passed selector.
54 * @param {String/Array} els A string CSS selector, an array of elements or an element
55 * @return {CompositeElement} this
64 * Filters this composite to only elements that match the passed selector.
65 * @param {String} selector A string CSS selector
66 * @return {CompositeElement} this
68 filter : function(selector){
70 this.each(function(el){
72 els[els.length] = el.dom;
79 invoke : function(fn, args){
80 var els = this.elements;
81 for(var i = 0, len = els.length; i < len; i++) {
82 Roo.Element.prototype[fn].apply(els[i], args);
87 * Adds elements to this composite.
88 * @param {String/Array} els A string CSS selector, an array of elements or an element
89 * @return {CompositeElement} this
92 if(typeof els == "string"){
93 this.addElements(Roo.Element.selectorFunction(els));
94 }else if(els.length !== undefined){
95 this.addElements(els);
97 this.addElements([els]);
102 * Calls the passed function passing (el, this, index) for each element in this composite.
103 * @param {Function} fn The function to call
104 * @param {Object} scope (optional) The <i>this</i> object (defaults to the element)
105 * @return {CompositeElement} this
107 each : function(fn, scope){
108 var els = this.elements;
109 for(var i = 0, len = els.length; i < len; i++){
110 if(fn.call(scope || els[i], els[i], this, i) === false) {
118 * Returns the Element object at the specified index
119 * @param {Number} index
120 * @return {Roo.Element}
122 item : function(index){
123 return this.elements[index] || null;
127 * Returns the first Element
128 * @return {Roo.Element}
135 * Returns the last Element
136 * @return {Roo.Element}
139 return this.item(this.elements.length-1);
143 * Returns the number of elements in this composite
146 getCount : function(){
147 return this.elements.length;
151 * Returns true if this composite contains the passed element
154 contains : function(el){
155 return this.indexOf(el) !== -1;
159 * Returns true if this composite contains the passed element
162 indexOf : function(el){
163 return this.elements.indexOf(Roo.get(el));
168 * Removes the specified element(s).
169 * @param {Mixed} el The id of an element, the Element itself, the index of the element in this composite
170 * or an array of any of those.
171 * @param {Boolean} removeDom (optional) True to also remove the element from the document
172 * @return {CompositeElement} this
174 removeElement : function(el, removeDom){
175 if(el instanceof Array){
176 for(var i = 0, len = el.length; i < len; i++){
177 this.removeElement(el[i]);
181 var index = typeof el == 'number' ? el : this.indexOf(el);
184 var d = this.elements[index];
188 d.parentNode.removeChild(d);
191 this.elements.splice(index, 1);
197 * Replaces the specified element with the passed element.
198 * @param {String/HTMLElement/Element/Number} el The id of an element, the Element itself, the index of the element in this composite
200 * @param {String/HTMLElement/Element} replacement The id of an element or the Element itself.
201 * @param {Boolean} domReplace (Optional) True to remove and replace the element in the document too.
202 * @return {CompositeElement} this
204 replaceElement : function(el, replacement, domReplace){
205 var index = typeof el == 'number' ? el : this.indexOf(el);
208 this.elements[index].replaceWith(replacement);
210 this.elements.splice(index, 1, Roo.get(replacement))
217 * Removes all elements.
224 Roo.CompositeElement.createCall = function(proto, fnName){
226 proto[fnName] = function(){
227 return this.invoke(fnName, arguments);
231 for(var fnName in Roo.Element.prototype){
232 if(typeof Roo.Element.prototype[fnName] == "function"){
233 Roo.CompositeElement.createCall(Roo.CompositeElement.prototype, fnName);