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<pre class="prettyprint lang-js"><span id='Ext-fx-Queue'>/**
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</span> * @class Ext.fx.Queue
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* Animation Queue mixin to handle chaining and queueing by target.
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* @private
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*/
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Ext.define('Ext.fx.Queue', {
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requires: ['Ext.util.HashMap'],
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<span id='Ext-fx-Queue-method-constructor'> constructor: function() {
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</span> this.targets = new Ext.util.HashMap();
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this.fxQueue = {};
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},
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<span id='Ext-fx-Queue-method-getFxDefaults'> // @private
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</span> getFxDefaults: function(targetId) {
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var target = this.targets.get(targetId);
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if (target) {
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return target.fxDefaults;
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}
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return {};
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},
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<span id='Ext-fx-Queue-method-setFxDefaults'> // @private
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</span> setFxDefaults: function(targetId, obj) {
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var target = this.targets.get(targetId);
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if (target) {
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target.fxDefaults = Ext.apply(target.fxDefaults || {}, obj);
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}
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},
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<span id='Ext-fx-Queue-method-stopAnimation'> // @private
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</span> stopAnimation: function(targetId) {
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var me = this,
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queue = me.getFxQueue(targetId),
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ln = queue.length;
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while (ln) {
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queue[ln - 1].end();
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ln--;
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}
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},
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<span id='Ext-fx-Queue-method-getActiveAnimation'> /**
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</span> * @private
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* Returns current animation object if the element has any effects actively running or queued, else returns false.
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*/
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getActiveAnimation: function(targetId) {
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var queue = this.getFxQueue(targetId);
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return (queue && !!queue.length) ? queue[0] : false;
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},
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<span id='Ext-fx-Queue-method-hasFxBlock'> // @private
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</span> hasFxBlock: function(targetId) {
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var queue = this.getFxQueue(targetId);
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return queue && queue[0] && queue[0].block;
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},
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<span id='Ext-fx-Queue-method-getFxQueue'> // @private get fx queue for passed target, create if needed.
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</span> getFxQueue: function(targetId) {
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if (!targetId) {
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return false;
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}
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var me = this,
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queue = me.fxQueue[targetId],
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target = me.targets.get(targetId);
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if (!target) {
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return false;
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}
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if (!queue) {
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me.fxQueue[targetId] = [];
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// GarbageCollector will need to clean up Elements since they aren't currently observable
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if (target.type != 'element') {
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target.target.on('destroy', function() {
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me.fxQueue[targetId] = [];
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});
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}
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}
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return me.fxQueue[targetId];
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},
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<span id='Ext-fx-Queue-method-queueFx'> // @private
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</span> queueFx: function(anim) {
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var me = this,
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target = anim.target,
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queue, ln;
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if (!target) {
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return;
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}
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queue = me.getFxQueue(target.getId());
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ln = queue.length;
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if (ln) {
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if (anim.concurrent) {
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anim.paused = false;
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}
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else {
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queue[ln - 1].on('afteranimate', function() {
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anim.paused = false;
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});
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}
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}
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else {
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anim.paused = false;
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}
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anim.on('afteranimate', function() {
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Ext.Array.remove(queue, anim);
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if (queue.length === 0) {
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me.targets.remove(anim.target);
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}
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if (anim.remove) {
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if (target.type == 'element') {
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var el = Ext.get(target.id);
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if (el) {
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el.remove();
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}
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}
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}
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}, me, {
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single: true
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});
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queue.push(anim);
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}
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});</pre>
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