diff options
Diffstat (limited to 'lib/dojo/Stateful.js')
| -rw-r--r-- | lib/dojo/Stateful.js | 137 |
1 files changed, 2 insertions, 135 deletions
diff --git a/lib/dojo/Stateful.js b/lib/dojo/Stateful.js index 147001962..c927128f6 100644 --- a/lib/dojo/Stateful.js +++ b/lib/dojo/Stateful.js @@ -4,138 +4,5 @@ see: http://dojotoolkit.org/license for details */ - -if(!dojo._hasResource["dojo.Stateful"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code. -dojo._hasResource["dojo.Stateful"] = true; -dojo.provide("dojo.Stateful"); - - -dojo.declare("dojo.Stateful", null, { - // summary: - // Base class for objects that provide named properties with optional getter/setter - // control and the ability to watch for property changes - // example: - // | var obj = new dojo.Stateful(); - // | obj.watch("foo", function(){ - // | console.log("foo changed to " + this.get("foo")); - // | }); - // | obj.set("foo","bar"); - postscript: function(mixin){ - if(mixin){ - dojo.mixin(this, mixin); - } - }, - - get: function(/*String*/name){ - // summary: - // Get a property on a Stateful instance. - // name: - // The property to get. - // description: - // Get a named property on a Stateful object. The property may - // potentially be retrieved via a getter method in subclasses. In the base class - // this just retrieves the object's property. - // For example: - // | stateful = new dojo.Stateful({foo: 3}); - // | stateful.get("foo") // returns 3 - // | stateful.foo // returns 3 - - return this[name]; - }, - set: function(/*String*/name, /*Object*/value){ - // summary: - // Set a property on a Stateful instance - // name: - // The property to set. - // value: - // The value to set in the property. - // description: - // Sets named properties on a stateful object and notifies any watchers of - // the property. A programmatic setter may be defined in subclasses. - // For example: - // | stateful = new dojo.Stateful(); - // | stateful.watch(function(name, oldValue, value){ - // | // this will be called on the set below - // | } - // | stateful.set(foo, 5); - // - // set() may also be called with a hash of name/value pairs, ex: - // | myObj.set({ - // | foo: "Howdy", - // | bar: 3 - // | }) - // This is equivalent to calling set(foo, "Howdy") and set(bar, 3) - if(typeof name === "object"){ - for(var x in name){ - this.set(x, name[x]); - } - return this; - } - var oldValue = this[name]; - this[name] = value; - if(this._watchCallbacks){ - this._watchCallbacks(name, oldValue, value); - } - return this; - }, - watch: function(/*String?*/name, /*Function*/callback){ - // summary: - // Watches a property for changes - // name: - // Indicates the property to watch. This is optional (the callback may be the - // only parameter), and if omitted, all the properties will be watched - // returns: - // An object handle for the watch. The unwatch method of this object - // can be used to discontinue watching this property: - // | var watchHandle = obj.watch("foo", callback); - // | watchHandle.unwatch(); // callback won't be called now - // callback: - // The function to execute when the property changes. This will be called after - // the property has been changed. The callback will be called with the |this| - // set to the instance, the first argument as the name of the property, the - // second argument as the old value and the third argument as the new value. - - var callbacks = this._watchCallbacks; - if(!callbacks){ - var self = this; - callbacks = this._watchCallbacks = function(name, oldValue, value, ignoreCatchall){ - var notify = function(propertyCallbacks){ - if(propertyCallbacks){ - propertyCallbacks = propertyCallbacks.slice(); - for(var i = 0, l = propertyCallbacks.length; i < l; i++){ - try{ - propertyCallbacks[i].call(self, name, oldValue, value); - }catch(e){ - console.error(e); - } - } - } - }; - notify(callbacks['_' + name]); - if(!ignoreCatchall){ - notify(callbacks["*"]); // the catch-all - } - }; // we use a function instead of an object so it will be ignored by JSON conversion - } - if(!callback && typeof name === "function"){ - callback = name; - name = "*"; - }else{ - // prepend with dash to prevent name conflicts with function (like "name" property) - name = '_' + name; - } - var propertyCallbacks = callbacks[name]; - if(typeof propertyCallbacks !== "object"){ - propertyCallbacks = callbacks[name] = []; - } - propertyCallbacks.push(callback); - return { - unwatch: function(){ - propertyCallbacks.splice(dojo.indexOf(propertyCallbacks, callback), 1); - } - }; - } - -}); - -} +//>>built +define("dojo/Stateful",["./_base/kernel","./_base/declare","./_base/lang","./_base/array"],function(_1,_2,_3,_4){return _1.declare("dojo.Stateful",null,{postscript:function(_5){if(_5){_3.mixin(this,_5);}},get:function(_6){return this[_6];},set:function(_7,_8){if(typeof _7==="object"){for(var x in _7){this.set(x,_7[x]);}return this;}var _9=this[_7];this[_7]=_8;if(this._watchCallbacks){this._watchCallbacks(_7,_9,_8);}return this;},watch:function(_a,_b){var _c=this._watchCallbacks;if(!_c){var _d=this;_c=this._watchCallbacks=function(_e,_f,_10,_11){var _12=function(_13){if(_13){_13=_13.slice();for(var i=0,l=_13.length;i<l;i++){try{_13[i].call(_d,_e,_f,_10);}catch(e){console.error(e);}}}};_12(_c["_"+_e]);if(!_11){_12(_c["*"]);}};}if(!_b&&typeof _a==="function"){_b=_a;_a="*";}else{_a="_"+_a;}var _14=_c[_a];if(typeof _14!=="object"){_14=_c[_a]=[];}_14.push(_b);return {unwatch:function(){_14.splice(_4.indexOf(_14,_b),1);}};}});});
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