You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 

71 lines
1.1 KiB

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