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<pre class="prettyprint lang-js"><span id='Ext-layout-ClassList'>/**
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</span> * This class provides a DOM ClassList API to buffer access to an element's class.
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* Instances of this class are created by {@link Ext.layout.ContextItem#getClassList}.
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*/
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Ext.define('Ext.layout.ClassList', (function () {
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var splitWords = Ext.String.splitWords,
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toMap = Ext.Array.toMap;
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return {
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dirty: false,
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constructor: function (owner) {
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this.owner = owner;
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this.map = toMap(this.classes = splitWords(owner.el.className));
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},
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<span id='Ext-layout-ClassList-method-add'> /**
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</span> * Adds a single class to the class list.
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*/
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add: function (cls) {
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var me = this;
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if (!me.map[cls]) {
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me.map[cls] = true;
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me.classes.push(cls);
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if (!me.dirty) {
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me.dirty = true;
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me.owner.markDirty();
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}
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}
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},
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<span id='Ext-layout-ClassList-method-addMany'> /**
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</span> * Adds one or more classes in an array or space-delimited string to the class list.
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*/
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addMany: function (classes) {
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Ext.each(splitWords(classes), this.add, this);
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},
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contains: function (cls) {
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return this.map[cls];
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},
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flush: function () {
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this.owner.el.className = this.classes.join(' ');
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this.dirty = false;
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},
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<span id='Ext-layout-ClassList-method-remove'> /**
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</span> * Removes a single class from the class list.
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*/
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remove: function (cls) {
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var me = this;
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if (me.map[cls]) {
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delete me.map[cls];
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me.classes = Ext.Array.filter(me.classes, function (c) {
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return c != cls;
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});
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if (!me.dirty) {
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me.dirty = true;
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me.owner.markDirty();
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}
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}
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},
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<span id='Ext-layout-ClassList-method-removeMany'> /**
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</span> * Removes one or more classes in an array or space-delimited string from the class
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* list.
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*/
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removeMany: function (classes) {
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var me = this,
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remove = toMap(splitWords(classes));
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me.classes = Ext.Array.filter(me.classes, function (c) {
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if (!remove[c]) {
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return true;
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}
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delete me.map[c];
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if (!me.dirty) {
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me.dirty = true;
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me.owner.markDirty();
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}
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return false;
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});
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}
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};
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}()));
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