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72 lines
1.1 KiB
72 lines
1.1 KiB
14 years ago
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/*
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---
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name: EventStack
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description: Helps you Escape.
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authors: Christoph Pojer (@cpojer)
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license: MIT-style license.
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requires: [Core/Class.Extras, Core/Element.Event, Class-Extras/Class.Binds]
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provides: EventStack
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...
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*/
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(function(){
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this.EventStack = new Class({
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Implements: [Options, Class.Binds],
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options: {
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event: 'keyup',
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condition: function(event){
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return (event.key == 'esc');
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}
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},
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initialize: function(options){
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this.setOptions(options);
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this.stack = [];
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this.data = [];
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document.addEvent(this.options.event, this.bound('condition'));
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},
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condition: function(event){
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if (this.options.condition.call(this, event, this.data.getLast()))
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this.pop(event);
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},
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erase: function(fn){
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this.data.erase(this.data[this.stack.indexOf(fn)]);
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this.stack.erase(fn);
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return this;
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},
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push: function(fn, data){
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this.erase(fn);
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this.data.push(data || null);
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this.stack.push(fn);
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return this;
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},
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pop: function(event){
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var fn = this.stack.pop(),
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data = this.data.pop();
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if (fn) fn.call(this, event, data);
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return this;
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}
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});
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}).call(this);
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