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} else {

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self.listeners.unshift(listener);

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}

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return callback;

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};

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this.remove = function (callback) {

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var listeners = this.listeners, output = null;

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tinymce.each(listeners, function (listener, i) {

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if (callback == listener.cb) {

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output = listener;

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listeners.splice(i, 1);

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return false;

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}

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});

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return output;

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};

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this.dispatch = function () {

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var self = this, returnValue, args = arguments, i, listeners = self.listeners, listener;

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self.inDispatch = true;

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// Needs to be a real loop since the listener count might change while looping

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// And this is also more efficient

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for (i = 0; i < listeners.length; i++) {

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listener = listeners[i];

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returnValue = listener.cb.apply(listener.scope, args.length > 0 ? args : [listener.scope]);

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if (returnValue === false) {

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break;

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}

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}

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self.inDispatch = false;

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return returnValue;

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};

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};

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