/*
+ * Based on:
+ * Ext JS Library 1.1.1
+ * Copyright(c) 2006-2007, Ext JS, LLC.
+ *
+ * Originally Released Under LGPL - original licence link has changed is not relivant.
+ *
+ * Fork - LGPL
+ * <script type="text/javascript">
+ */
+
+
+/**
+ * @class Roo.CompositeElement
+ * Standard composite class. Creates a Roo.Element for every element in the collection.
+ * <br><br>
+ * <b>NOTE: Although they are not listed, this class supports all of the set/update methods of Roo.Element. All Roo.Element
+ * actions will be performed on all the elements in this collection.</b>
+ * <br><br>
+ * All methods return <i>this</i> and can be chained.
+ <pre><code>
+ var els = Roo.select("#some-el div.some-class", true);
+ // or select directly from an existing element
+ var el = Roo.get('some-el');
+ el.select('div.some-class', true);
+
+ els.setWidth(100); // all elements become 100 width
+ els.hide(true); // all elements fade out and hide
+ // or
+ els.setWidth(100).hide(true);
+ </code></pre>
+ */
+Roo.CompositeElement = function(els){
+ this.elements = [];
+ this.addElements(els);
+};
+Roo.CompositeElement.prototype = {
+ isComposite: true,
+ addElements : function(els){
+ if(!els) {
+ return this;
+ }
+ if(typeof els == "string"){
+ els = Roo.Element.selectorFunction(els);
+ }
+ var yels = this.elements;
+ var index = yels.length-1;
+ for(var i = 0, len = els.length; i < len; i++) {
+ yels[++index] = Roo.get(els[i]);
+ }
+ return this;
+ },
+
+ /**
+ * Clears this composite and adds the elements returned by the passed selector.
+ * @param {String/Array} els A string CSS selector, an array of elements or an element
+ * @return {CompositeElement} this
+ */
+ fill : function(els){
+ this.elements = [];
+ this.add(els);
+ return this;
+ },
+
+ /**
+ * Filters this composite to only elements that match the passed selector.
+ * @param {String} selector A string CSS selector
+ * @param {Boolean} inverse return inverse filter (not matches)
+ * @return {CompositeElement} this
+ */
+ filter : function(selector, inverse){
+ var els = [];
+ inverse = inverse || false;
+ this.each(function(el){
+ var match = inverse ? !el.is(selector) : el.is(selector);
+ if(match){
+ els[els.length] = el.dom;
+ }
+ });
+ this.fill(els);
+ return this;
+ },
+
+ invoke : function(fn, args){
+ var els = this.elements;
+ for(var i = 0, len = els.length; i < len; i++) {
+ Roo.Element.prototype[fn].apply(els[i], args);
+ }
+ return this;
+ },
+ /**
+ * Adds elements to this composite.
+ * @param {String/Array} els A string CSS selector, an array of elements or an element
+ * @return {CompositeElement} this
+ */
+ add : function(els){
+ if(typeof els == "string"){
+ this.addElements(Roo.Element.selectorFunction(els));
+ }else if(els.length !== undefined){
+ this.addElements(els);
+ }else{
+ this.addElements([els]);
+ }
+ return this;
+ },
+ /**
+ * Calls the passed function passing (el, this, index) for each element in this composite.
+ * @param {Function} fn The function to call
+ * @param {Object} scope (optional) The <i>this</i> object (defaults to the element)
+ * @return {CompositeElement} this
+ */
+ each : function(fn, scope){
+ var els = this.elements;
+ for(var i = 0, len = els.length; i < len; i++){
+ if(fn.call(scope || els[i], els[i], this, i) === false) {
+ break;
+ }
+ }
+ return this;
+ },
+
+ /**
+ * Returns the Element object at the specified index
+ * @param {Number} index
+ * @return {Roo.Element}
+ */
+ item : function(index){
+ return this.elements[index] || null;
+ },
+
+ /**
+ * Returns the first Element
+ * @return {Roo.Element}
+ */
+ first : function(){
+ return this.item(0);
+ },
+
+ /**
+ * Returns the last Element
+ * @return {Roo.Element}
+ */
+ last : function(){
+ return this.item(this.elements.length-1);
+ },
+
+ /**
+ * Returns the number of elements in this composite
+ * @return Number
+ */
+ getCount : function(){
+ return this.elements.length;
+ },
+
+ /**
+ * Returns true if this composite contains the passed element
+ * @return Boolean
+ */
+ contains : function(el){
+ return this.indexOf(el) !== -1;
+ },
+
+ /**
+ * Returns true if this composite contains the passed element
+ * @return Boolean
+ */
+ indexOf : function(el){
+ return this.elements.indexOf(Roo.get(el));
+ },
+
+
+ /**
+ * Removes the specified element(s).
+ * @param {Mixed} el The id of an element, the Element itself, the index of the element in this composite
+ * or an array of any of those.
+ * @param {Boolean} removeDom (optional) True to also remove the element from the document
+ * @return {CompositeElement} this
+ */
+ removeElement : function(el, removeDom){
+ if(el instanceof Array){
+ for(var i = 0, len = el.length; i < len; i++){
+ this.removeElement(el[i]);
+ }
+ return this;
+ }
+ var index = typeof el == 'number' ? el : this.indexOf(el);
+ if(index !== -1){
+ if(removeDom){
+ var d = this.elements[index];
+ if(d.dom){
+ d.remove();
+ }else{
+ d.parentNode.removeChild(d);
+ }
+ }
+ this.elements.splice(index, 1);
+ }
+ return this;
+ },
+
+ /**
+ * Replaces the specified element with the passed element.
+ * @param {String/HTMLElement/Element/Number} el The id of an element, the Element itself, the index of the element in this composite
+ * to replace.
+ * @param {String/HTMLElement/Element} replacement The id of an element or the Element itself.
+ * @param {Boolean} domReplace (Optional) True to remove and replace the element in the document too.
+ * @return {CompositeElement} this
+ */
+ replaceElement : function(el, replacement, domReplace){
+ var index = typeof el == 'number' ? el : this.indexOf(el);
+ if(index !== -1){
+ if(domReplace){
+ this.elements[index].replaceWith(replacement);
+ }else{
+ this.elements.splice(index, 1, Roo.get(replacement))
+ }
+ }
+ return this;
+ },
+
+ /**
+ * Removes all elements.
+ */
+ clear : function(){
+ this.elements = [];
+ }
+};
+(function(){
+ Roo.CompositeElement.createCall = function(proto, fnName){
+ if(!proto[fnName]){
+ proto[fnName] = function(){
+ return this.invoke(fnName, arguments);
+ };
+ }
+ };
+ for(var fnName in Roo.Element.prototype){
+ if(typeof Roo.Element.prototype[fnName] == "function"){
+ Roo.CompositeElement.createCall(Roo.CompositeElement.prototype, fnName);
+ }
+ };
+})();
+
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