6 // prevent a console.log from blowing things up if we are on a browser that
8 if (typeof console === 'undefined') {
10 console.log = console.info = console.warn = console.error = function(){};
16 var initializing = false, fnTest = /xyz/.test(function(){xyz;}) ? /\b_super\b/ : /.*/;
17 this.Class = function(){};
18 Class.extend = function(prop) {
19 var _super = this.prototype;
21 var prototype = new this();
23 for (var name in prop) {
24 prototype[name] = typeof prop[name] == "function" &&
25 typeof _super[name] == "function" && fnTest.test(prop[name]) ?
28 var tmp = this._super;
29 this._super = _super[name];
30 var ret = fn.apply(this, arguments);
34 })(name, prop[name]) :
38 if ( !initializing && this.init )
39 this.init.apply(this, arguments);
41 Class.prototype = prototype;
42 Class.constructor = Class;
43 Class.extend = arguments.callee;
50 this.render_template = function render_template(str, data){
51 // Figure out if we're getting a template, or if we need to
52 // load the template - and be sure to cache the result.
53 var fn = !/^[\d\s-_]/.test(str) ?
54 cache[str] = cache[str] ||
55 render_template(document.getElementById(str).innerHTML) :
57 // Generate a reusable function that will serve as a template
58 // generator (and which will be cached).
60 "var p=[],print=function(){p.push.apply(p,arguments);};" +
62 // Introduce the data as local variables using with(){}
63 "with(obj){p.push('" +
65 // Convert the template into pure JavaScript
67 .replace(/[\r\t\n]/g, " ")
68 .split("<%").join("\t")
69 .replace(/((^|%>)[^\t]*)'/g, "$1\r")
70 .replace(/\t=(.*?)%>/g, "',$1,'")
71 .split("\t").join("');")
72 .split("%>").join("p.push('")
73 .split("\r").join("\\'")
74 + "');}return p.join('');");
76 // Provide some basic currying to the user
77 return data ? fn( data ) : fn;
83 var slice = Array.prototype.slice;
85 function update(array, args) {
86 var arrayLength = array.length, length = args.length;
87 while (length--) array[arrayLength + length] = args[length];
91 function merge(array, args) {
92 array = slice.call(array, 0);
93 return update(array, args);
96 Function.prototype.bind = function(context) {
97 if (arguments.length < 2 && typeof arguments[0] === 'undefined') {
101 var args = slice.call(arguments, 1);
103 var a = merge(args, arguments);
104 return __method.apply(context, a);
111 var Editor = Editor || {};
113 // Obiekt implementujący wzorzec KVC/KVO
114 Editor.Object = Class.extend({
115 _className: 'Editor.Object',
120 this._observers = {};
123 description: function() {
124 return this._className + '(guid = ' + this.guid() + ')';
127 addObserver: function(observer, property, callback) {
128 // console.log('Add observer', observer.description(), 'to', this.description(), '[', property, ']');
129 if (!this._observers[property]) {
130 this._observers[property] = {}
132 this._observers[property][observer.guid()] = callback;
136 removeObserver: function(observer, property) {
138 for (var property in this._observers) {
139 this.removeObserver(observer, property)
142 // console.log('Remove observer', observer.description(), 'from', this.description(), '[', property, ']');
143 delete this._observers[property][observer.guid()];
148 notifyObservers: function(property) {
149 var currentValue = this[property];
150 for (var guid in this._observers[property]) {
151 // console.log(this._observers[property][guid]);
152 // console.log('Notifying', guid, 'of', this.description(), '[', property, ']');
153 this._observers[property][guid](property, currentValue, this);
160 this._guid = ('editor-' + Editor.Object._lastGuid++);
165 get: function(property) {
166 return this[property];
169 set: function(property, value) {
170 if (this[property] != value) {
171 this[property] = value;
172 this.notifyObservers(property);
177 dispose: function() {
178 delete this._observers;
182 Editor.Object._lastGuid = 0;