| 1 | /*! |
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| 2 | * Ext JS Library 3.0.0 |
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| 3 | * Copyright(c) 2006-2009 Ext JS, LLC |
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| 4 | * licensing@extjs.com |
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| 5 | * http://www.extjs.com/license |
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| 6 | */ |
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| 7 | /** |
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| 8 | * @class Ext.CompositeElementLite |
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| 9 | */ |
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| 10 | Ext.apply(Ext.CompositeElementLite.prototype, { |
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| 11 | addElements : function(els, root){ |
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| 12 | if(!els){ |
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| 13 | return this; |
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| 14 | } |
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| 15 | if(typeof els == "string"){ |
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| 16 | els = Ext.Element.selectorFunction(els, root); |
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| 17 | } |
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| 18 | var yels = this.elements; |
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| 19 | Ext.each(els, function(e) { |
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| 20 | yels.push(Ext.get(e)); |
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| 21 | }); |
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| 22 | return this; |
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| 23 | }, |
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| 24 | |
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| 25 | /** |
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| 26 | * Clears this composite and adds the elements returned by the passed selector. |
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| 27 | * @param {String/Array} els A string CSS selector, an array of elements or an element |
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| 28 | * @return {CompositeElement} this |
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| 29 | */ |
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| 30 | fill : function(els){ |
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| 31 | this.elements = []; |
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| 32 | this.add(els); |
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| 33 | return this; |
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| 34 | }, |
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| 35 | |
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| 36 | /** |
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| 37 | * Returns the first Element |
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| 38 | * @return {Ext.Element} |
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| 39 | */ |
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| 40 | first : function(){ |
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| 41 | return this.item(0); |
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| 42 | }, |
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| 43 | |
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| 44 | /** |
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| 45 | * Returns the last Element |
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| 46 | * @return {Ext.Element} |
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| 47 | */ |
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| 48 | last : function(){ |
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| 49 | return this.item(this.getCount()-1); |
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| 50 | }, |
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| 51 | |
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| 52 | /** |
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| 53 | * Returns true if this composite contains the passed element |
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| 54 | * @param el {Mixed} The id of an element, or an Ext.Element, or an HtmlElement to find within the composite collection. |
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| 55 | * @return Boolean |
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| 56 | */ |
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| 57 | contains : function(el){ |
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| 58 | return this.indexOf(el) != -1; |
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| 59 | }, |
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| 60 | |
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| 61 | /** |
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| 62 | * Filters this composite to only elements that match the passed selector. |
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| 63 | * @param {String} selector A string CSS selector |
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| 64 | * @return {CompositeElement} this |
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| 65 | */ |
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| 66 | filter : function(selector){ |
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| 67 | var els = []; |
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| 68 | this.each(function(el){ |
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| 69 | if(el.is(selector)){ |
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| 70 | els[els.length] = el.dom; |
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| 71 | } |
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| 72 | }); |
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| 73 | this.fill(els); |
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| 74 | return this; |
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| 75 | }, |
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| 76 | |
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| 77 | /** |
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| 78 | * Removes the specified element(s). |
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| 79 | * @param {Mixed} el The id of an element, the Element itself, the index of the element in this composite |
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| 80 | * or an array of any of those. |
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| 81 | * @param {Boolean} removeDom (optional) True to also remove the element from the document |
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| 82 | * @return {CompositeElement} this |
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| 83 | */ |
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| 84 | removeElement : function(keys, removeDom){ |
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| 85 | var me = this, |
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| 86 | els = this.elements, |
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| 87 | el; |
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| 88 | Ext.each(keys, function(val){ |
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| 89 | if ((el = (els[val] || els[val = me.indexOf(val)]))) { |
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| 90 | if(removeDom){ |
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| 91 | if(el.dom){ |
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| 92 | el.remove(); |
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| 93 | }else{ |
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| 94 | Ext.removeNode(el); |
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| 95 | } |
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| 96 | } |
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| 97 | els.splice(val, 1); |
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| 98 | } |
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| 99 | }); |
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| 100 | return this; |
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| 101 | } |
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| 102 | }); |
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