/*
	Copyright (c) 2004-2011, The Dojo Foundation All Rights Reserved.
	Available via Academic Free License >= 2.1 OR the modified BSD license.
	see: http://dojotoolkit.org/license for details
*/

//>>built
define("dojo/store/Observable",["../_base/kernel","../_base/lang","../_base/Deferred","../_base/array"],function(_1,_2,_3,_4){var ds=_2.getObject("dojo.store",true);return ds.Observable=function(_5){var _6,_7=[],_8=0;_5.notify=function(_9,_a){_8++;var _b=_7.slice();for(var i=0,l=_b.length;i<l;i++){_b[i](_9,_a);}};var _c=_5.query;_5.query=function(_d,_e){_e=_e||{};var _f=_c.apply(this,arguments);if(_f&&_f.forEach){var _10=_2.mixin({},_e);delete _10.start;delete _10.count;var _11=_5.queryEngine&&_5.queryEngine(_d,_10);var _12=_8;var _13=[],_14;_f.observe=function(_15,_16){if(_13.push(_15)==1){_7.push(_14=function(_17,_18){_3.when(_f,function(_19){var _1a=_19.length!=_e.count;var i,l,_15;if(++_12!=_8){throw new Error("Query is out of date, you must observe() the query prior to any data modifications");}var _1b,_1c=-1,_1d=-1;if(_18!==_6){for(i=0,l=_19.length;i<l;i++){var _1e=_19[i];if(_5.getIdentity(_1e)==_18){_1b=_1e;_1c=i;if(_11||!_17){_19.splice(i,1);}break;}}}if(_11){if(_17&&(_11.matches?_11.matches(_17):_11([_17]).length)){var _1f=_1c>-1?_1c:_19.length;_19.splice(_1f,0,_17);_1d=_4.indexOf(_11(_19),_17);_19.splice(_1f,1);if((_e.start&&_1d==0)||(!_1a&&_1d==_19.length)){_1d=-1;}else{_19.splice(_1d,0,_17);}}}else{if(_17&&!_e.start){_1d=_1c>=0?_1c:(_5.defaultIndex||0);}}if((_1c>-1||_1d>-1)&&(_16||!_11||(_1c!=_1d))){var _20=_13.slice();for(i=0;_15=_20[i];i++){_15(_17||_1b,_1c,_1d);}}});});}return {cancel:function(){var _21=_4.indexOf(_13,_15);if(_21>-1){_13.splice(_21,1);if(!_13.length){_7.splice(_4.indexOf(_7,_14),1);}}}};};}return _f;};var _22;function _23(_24,_25){var _26=_5[_24];if(_26){_5[_24]=function(_27){if(_22){return _26.apply(this,arguments);}_22=true;try{var _28=_26.apply(this,arguments);_3.when(_28,function(_29){_25((typeof _29=="object"&&_29)||_27);});return _28;}finally{_22=false;}};}};_23("put",function(_2a){_5.notify(_2a,_5.getIdentity(_2a));});_23("add",function(_2b){_5.notify(_2b);});_23("remove",function(id){_5.notify(undefined,id);});return _5;};});