diff options
Diffstat (limited to 'lib/dojo/data/ObjectStore.js')
| -rw-r--r-- | lib/dojo/data/ObjectStore.js | 483 |
1 files changed, 2 insertions, 481 deletions
diff --git a/lib/dojo/data/ObjectStore.js b/lib/dojo/data/ObjectStore.js index 8ccc4f853..f0c241379 100644 --- a/lib/dojo/data/ObjectStore.js +++ b/lib/dojo/data/ObjectStore.js @@ -4,484 +4,5 @@ see: http://dojotoolkit.org/license for details */ - -if(!dojo._hasResource["dojo.data.ObjectStore"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code. -dojo._hasResource["dojo.data.ObjectStore"] = true; -dojo.provide("dojo.data.ObjectStore"); -dojo.require("dojo.regexp"); - - - -dojo.declare("dojo.data.ObjectStore", null,{ - objectStore: null, - constructor: function(options){ - // summary: - // A Dojo Data implementation that wraps Dojo object stores for backwards - // compatibility. - // options: - // The configuration information to pass into the data store. - // options.objectStore: - // The object store to use as the source provider for this data store - dojo.mixin(this, options); - }, - labelProperty: "label", - - getValue: function(/*Object*/ item, /*String*/property, /*value?*/defaultValue){ - // summary: - // Gets the value of an item's 'property' - // - // item: - // The item to get the value from - // property: - // property to look up value for - // defaultValue: - // the default value - - return typeof item.get === "function" ? item.get(property) : - property in item ? - item[property] : defaultValue; - }, - getValues: function(item, property){ - // summary: - // Gets the value of an item's 'property' and returns - // it. If this value is an array it is just returned, - // if not, the value is added to an array and that is returned. - // - // item: /* object */ - // property: /* string */ - // property to look up value for - - var val = this.getValue(item,property); - return val instanceof Array ? val : val === undefined ? [] : [val]; - }, - - getAttributes: function(item){ - // summary: - // Gets the available attributes of an item's 'property' and returns - // it as an array. - // - // item: /* object */ - - var res = []; - for(var i in item){ - if(item.hasOwnProperty(i) && !(i.charAt(0) == '_' && i.charAt(1) == '_')){ - res.push(i); - } - } - return res; - }, - - hasAttribute: function(item,attribute){ - // summary: - // Checks to see if item has attribute - // - // item: /* object */ - // attribute: /* string */ - return attribute in item; - }, - - containsValue: function(item, attribute, value){ - // summary: - // Checks to see if 'item' has 'value' at 'attribute' - // - // item: /* object */ - // attribute: /* string */ - // value: /* anything */ - return dojo.indexOf(this.getValues(item,attribute),value) > -1; - }, - - - isItem: function(item){ - // summary: - // Checks to see if the argument is an item - // - // item: /* object */ - // attribute: /* string */ - - // we have no way of determining if it belongs, we just have object returned from - // service queries - return (typeof item == 'object') && item && !(item instanceof Date); - }, - - isItemLoaded: function(item){ - // summary: - // Checks to see if the item is loaded. - // - // item: /* object */ - - return item && typeof item.load !== "function"; - }, - - loadItem: function(args){ - // summary: - // Loads an item and calls the callback handler. Note, that this will call the callback - // handler even if the item is loaded. Consequently, you can use loadItem to ensure - // that an item is loaded is situations when the item may or may not be loaded yet. - // If you access a value directly through property access, you can use this to load - // a lazy value as well (doesn't need to be an item). - // - // example: - // store.loadItem({ - // item: item, // this item may or may not be loaded - // onItem: function(item){ - // // do something with the item - // } - // }); - - var item; - if(typeof args.item.load === "function"){ - dojo.when(args.item.load(), function(result){ - item = result; // in synchronous mode this can allow loadItem to return the value - var func = result instanceof Error ? args.onError : args.onItem; - if(func){ - func.call(args.scope, result); - } - }); - }else if(args.onItem){ - // even if it is already loaded, we will use call the callback, this makes it easier to - // use when it is not known if the item is loaded (you can always safely call loadItem). - args.onItem.call(args.scope, args.item); - } - return item; - }, - close: function(request){ - return request && request.abort && request.abort(); - }, - fetch: function(args){ - // summary: - // See dojo.data.api.Read.fetch - // - - args = args || {}; - var self = this; - var scope = args.scope || self; - var query = args.query; - if(typeof query == "object"){ // can be null, but that is ignore by for-in - query = dojo.delegate(query); // don't modify the original - for(var i in query){ - // find any strings and convert them to regular expressions for wildcard support - var required = query[i]; - if(typeof required == "string"){ - query[i] = RegExp("^" + dojo.regexp.escapeString(required, "*?").replace(/\*/g, '.*').replace(/\?/g, '.') + "$", args.queryOptions && args.queryOptions.ignoreCase ? "mi" : "m"); - query[i].toString = (function(original){ - return function(){ - return original; - } - })(required); - } - } - } - - var results = this.objectStore.query(query, args); - dojo.when(results.total, function(totalCount){ - dojo.when(results, function(results){ - if(args.onBegin){ - args.onBegin.call(scope, totalCount || results.length, args); - } - if(args.onItem){ - for(var i=0; i<results.length;i++){ - args.onItem.call(scope, results[i], args); - } - } - if(args.onComplete){ - args.onComplete.call(scope, args.onItem ? null : results, args); - } - return results; - }, errorHandler); - }, errorHandler); - function errorHandler(error){ - if(args.onError){ - args.onError.call(scope, error, args); - } - } - args.abort = function(){ - // abort the request - if(results.cancel){ - results.cancel(); - } - }; - args.store = this; - return args; - }, - getFeatures: function(){ - // summary: - // return the store feature set - - return { - "dojo.data.api.Read": !!this.objectStore.get, - "dojo.data.api.Identity": true, - "dojo.data.api.Write": !!this.objectStore.put, - "dojo.data.api.Notification": true - }; - }, - - getLabel: function(/* item */ item){ - // summary: - // See dojo.data.api.Read.getLabel() - if(this.isItem(item)){ - return this.getValue(item,this.labelProperty); //String - } - return undefined; //undefined - }, - - getLabelAttributes: function(/* item */ item){ - // summary: - // See dojo.data.api.Read.getLabelAttributes() - return [this.labelProperty]; //array - }, - - //Identity API Support - - - getIdentity: function(item){ - return item.getId ? item.getId() : item[this.objectStore.idProperty || "id"]; - }, - - getIdentityAttributes: function(item){ - // summary: - // returns the attributes which are used to make up the - // identity of an item. Basically returns this.objectStore.idProperty - - return [this.objectStore.idProperty]; - }, - - fetchItemByIdentity: function(args){ - // summary: - // fetch an item by its identity, by looking in our index of what we have loaded - var item; - dojo.when(this.objectStore.get(args.identity), - function(result){ - item = result; - args.onItem.call(args.scope, result); - }, - function(error){ - args.onError.call(args.scope, error); - } - ); - return item; - }, - - newItem: function(data, parentInfo){ - // summary: - // adds a new item to the store at the specified point. - // Takes two parameters, data, and options. - // - // data: /* object */ - // The data to be added in as an item. - if(parentInfo){ - // get the previous value or any empty array - var values = this.getValue(parentInfo.parent,parentInfo.attribute,[]); - // set the new value - values = values.concat([data]); - data.__parent = values; - this.setValue(parentInfo.parent, parentInfo.attribute, values); - } - this._dirtyObjects.push({object:data, save: true}); - this.onNew(data); - return data; - }, - deleteItem: function(item){ - // summary: - // deletes item and any references to that item from the store. - // - // item: - // item to delete - // - - // If the desire is to delete only one reference, unsetAttribute or - // setValue is the way to go. - this.changing(item, true); - - this.onDelete(item); - }, - setValue: function(item, attribute, value){ - // summary: - // sets 'attribute' on 'item' to 'value' - - var old = item[attribute]; - this.changing(item); - item[attribute]=value; - this.onSet(item,attribute,old,value); - }, - setValues: function(item, attribute, values){ - // summary: - // sets 'attribute' on 'item' to 'value' value - // must be an array. - - - if(!dojo.isArray(values)){ - throw new Error("setValues expects to be passed an Array object as its value"); - } - this.setValue(item,attribute,values); - }, - - unsetAttribute: function(item, attribute){ - // summary: - // unsets 'attribute' on 'item' - - this.changing(item); - var old = item[attribute]; - delete item[attribute]; - this.onSet(item,attribute,old,undefined); - }, - - _dirtyObjects: [], - - changing: function(object,_deleting){ - // summary: - // adds an object to the list of dirty objects. This object - // contains a reference to the object itself as well as a - // cloned and trimmed version of old object for use with - // revert. - object.__isDirty = true; - //if an object is already in the list of dirty objects, don't add it again - //or it will overwrite the premodification data set. - for(var i=0; i<this._dirtyObjects.length; i++){ - var dirty = this._dirtyObjects[i]; - if(object==dirty.object){ - if(_deleting){ - // we are deleting, no object is an indicator of deletiong - dirty.object = false; - if(!this._saveNotNeeded){ - dirty.save = true; - } - } - return; - } - } - var old = object instanceof Array ? [] : {}; - for(i in object){ - if(object.hasOwnProperty(i)){ - old[i] = object[i]; - } - } - this._dirtyObjects.push({object: !_deleting && object, old: old, save: !this._saveNotNeeded}); - }, - - save: function(kwArgs){ - // summary: - // Saves the dirty data using object store provider. See dojo.data.api.Write for API. - // - // kwArgs.global: - // This will cause the save to commit the dirty data for all - // ObjectStores as a single transaction. - // - // kwArgs.revertOnError - // This will cause the changes to be reverted if there is an - // error on the save. By default a revert is executed unless - // a value of false is provide for this parameter. - - kwArgs = kwArgs || {}; - var result, actions = []; - var alreadyRecorded = {}; - var savingObjects = []; - var self; - var dirtyObjects = this._dirtyObjects; - var left = dirtyObjects.length;// this is how many changes are remaining to be received from the server - try{ - dojo.connect(kwArgs,"onError",function(){ - if(kwArgs.revertOnError !== false){ - var postCommitDirtyObjects = dirtyObjects; - dirtyObjects = savingObjects; - var numDirty = 0; // make sure this does't do anything if it is called again - jr.revert(); // revert if there was an error - self._dirtyObjects = postCommitDirtyObjects; - } - else{ - self._dirtyObjects = dirtyObject.concat(savingObjects); - } - }); - if(this.objectStore.transaction){ - var transaction = this.objectStore.transaction(); - } - for(var i = 0; i < dirtyObjects.length; i++){ - var dirty = dirtyObjects[i]; - var object = dirty.object; - var old = dirty.old; - delete object.__isDirty; - if(object){ - result = this.objectStore.put(object, {overwrite: !!old}); - } - else{ - result = this.objectStore.remove(this.getIdentity(old)); - } - savingObjects.push(dirty); - dirtyObjects.splice(i--,1); - dojo.when(result, function(value){ - if(!(--left)){ - if(kwArgs.onComplete){ - kwArgs.onComplete.call(kwArgs.scope, actions); - } - } - },function(value){ - - // on an error we want to revert, first we want to separate any changes that were made since the commit - left = -1; // first make sure that success isn't called - kwArgs.onError.call(kwArgs.scope, value); - }); - - } - if(transaction){ - transaction.commit(); - } - }catch(e){ - kwArgs.onError.call(kwArgs.scope, value); - } - - - }, - - revert: function(kwArgs){ - // summary - // returns any modified data to its original state prior to a save(); - // - var dirtyObjects = this._dirtyObjects; - for(var i = dirtyObjects.length; i > 0;){ - i--; - var dirty = dirtyObjects[i]; - var object = dirty.object; - var old = dirty.old; - if(object && old){ - // changed - for(var j in old){ - if(old.hasOwnProperty(j) && object[j] !== old[j]){ - this.onSet(object, j, object[j], old[j]); - object[j] = old[j]; - } - } - for(j in object){ - if(!old.hasOwnProperty(j)){ - this.onSet(object, j, object[j]); - delete object[j]; - } - } - }else if(!old){ - // was an addition, remove it - this.onDelete(object); - }else{ - // was a deletion, we will add it back - this.onNew(old); - } - delete (object || old).__isDirty; - dirtyObjects.splice(i, 1); - } - - - }, - isDirty: function(item){ - // summary - // returns true if the item is marked as dirty or true if there are any dirty items - if(!item){ - return !!this._dirtyObjects.length; - } - return item.__isDirty; - }, - //Notifcation Support - - onSet: function(){}, - onNew: function(){}, - onDelete: function(){} - } -); - -} +//>>built +define("dojo/data/ObjectStore",["../_base/lang","../Evented","../_base/declare","../_base/Deferred","../_base/array","../_base/connect","../regexp"],function(_1,_2,_3,_4,_5,_6,_7){return _3("dojo.data.ObjectStore",[_2],{objectStore:null,constructor:function(_8){_1.mixin(this,_8);},labelProperty:"label",getValue:function(_9,_a,_b){return typeof _9.get==="function"?_9.get(_a):_a in _9?_9[_a]:_b;},getValues:function(_c,_d){var _e=this.getValue(_c,_d);return _e instanceof Array?_e:_e===undefined?[]:[_e];},getAttributes:function(_f){var res=[];for(var i in _f){if(_f.hasOwnProperty(i)&&!(i.charAt(0)=="_"&&i.charAt(1)=="_")){res.push(i);}}return res;},hasAttribute:function(_10,_11){return _11 in _10;},containsValue:function(_12,_13,_14){return _5.indexOf(this.getValues(_12,_13),_14)>-1;},isItem:function(_15){return (typeof _15=="object")&&_15&&!(_15 instanceof Date);},isItemLoaded:function(_16){return _16&&typeof _16.load!=="function";},loadItem:function(_17){var _18;if(typeof _17.item.load==="function"){_4.when(_17.item.load(),function(_19){_18=_19;var _1a=_19 instanceof Error?_17.onError:_17.onItem;if(_1a){_1a.call(_17.scope,_19);}});}else{if(_17.onItem){_17.onItem.call(_17.scope,_17.item);}}return _18;},close:function(_1b){return _1b&&_1b.abort&&_1b.abort();},fetch:function(_1c){_1c=_1.delegate(_1c,_1c&&_1c.queryOptions);var _1d=this;var _1e=_1c.scope||_1d;var _1f=_1c.query;if(typeof _1f=="object"){_1f=_1.delegate(_1f);for(var i in _1f){var _20=_1f[i];if(typeof _20=="string"){_1f[i]=RegExp("^"+_7.escapeString(_20,"*?").replace(/\*/g,".*").replace(/\?/g,".")+"$",_1c.ignoreCase?"mi":"m");_1f[i].toString=(function(_21){return function(){return _21;};})(_20);}}}var _22=this.objectStore.query(_1f,_1c);_4.when(_22.total,function(_23){_4.when(_22,function(_24){if(_1c.onBegin){_1c.onBegin.call(_1e,_23||_24.length,_1c);}if(_1c.onItem){for(var i=0;i<_24.length;i++){_1c.onItem.call(_1e,_24[i],_1c);}}if(_1c.onComplete){_1c.onComplete.call(_1e,_1c.onItem?null:_24,_1c);}return _24;},_25);},_25);function _25(_26){if(_1c.onError){_1c.onError.call(_1e,_26,_1c);}};_1c.abort=function(){if(_22.cancel){_22.cancel();}};if(_22.observe){if(this.observing){this.observing.cancel();}this.observing=_22.observe(function(_27,_28,_29){if(_5.indexOf(_1d._dirtyObjects,_27)==-1){if(_28==-1){_1d.onNew(_27);}else{if(_29==-1){_1d.onDelete(_27);}else{for(var i in _27){if(i!=_1d.objectStore.idProperty){_1d.onSet(_27,i,null,_27[i]);}}}}}},true);}this.onFetch(_22);_1c.store=this;return _1c;},getFeatures:function(){return {"dojo.data.api.Read":!!this.objectStore.get,"dojo.data.api.Identity":true,"dojo.data.api.Write":!!this.objectStore.put,"dojo.data.api.Notification":true};},getLabel:function(_2a){if(this.isItem(_2a)){return this.getValue(_2a,this.labelProperty);}return undefined;},getLabelAttributes:function(_2b){return [this.labelProperty];},getIdentity:function(_2c){return this.objectStore.getIdentity?this.objectStore.getIdentity(_2c):_2c[this.objectStore.idProperty||"id"];},getIdentityAttributes:function(_2d){return [this.objectStore.idProperty];},fetchItemByIdentity:function(_2e){var _2f;_4.when(this.objectStore.get(_2e.identity),function(_30){_2f=_30;_2e.onItem.call(_2e.scope,_30);},function(_31){_2e.onError.call(_2e.scope,_31);});return _2f;},newItem:function(_32,_33){if(_33){var _34=this.getValue(_33.parent,_33.attribute,[]);_34=_34.concat([_32]);_32.__parent=_34;this.setValue(_33.parent,_33.attribute,_34);}this._dirtyObjects.push({object:_32,save:true});this.onNew(_32);return _32;},deleteItem:function(_35){this.changing(_35,true);this.onDelete(_35);},setValue:function(_36,_37,_38){var old=_36[_37];this.changing(_36);_36[_37]=_38;this.onSet(_36,_37,old,_38);},setValues:function(_39,_3a,_3b){if(!_1.isArray(_3b)){throw new Error("setValues expects to be passed an Array object as its value");}this.setValue(_39,_3a,_3b);},unsetAttribute:function(_3c,_3d){this.changing(_3c);var old=_3c[_3d];delete _3c[_3d];this.onSet(_3c,_3d,old,undefined);},_dirtyObjects:[],changing:function(_3e,_3f){_3e.__isDirty=true;for(var i=0;i<this._dirtyObjects.length;i++){var _40=this._dirtyObjects[i];if(_3e==_40.object){if(_3f){_40.object=false;if(!this._saveNotNeeded){_40.save=true;}}return;}}var old=_3e instanceof Array?[]:{};for(i in _3e){if(_3e.hasOwnProperty(i)){old[i]=_3e[i];}}this._dirtyObjects.push({object:!_3f&&_3e,old:old,save:!this._saveNotNeeded});},save:function(_41){_41=_41||{};var _42,_43=[];var _44=[];var _45=this;var _46=this._dirtyObjects;var _47=_46.length;try{_6.connect(_41,"onError",function(){if(_41.revertOnError!==false){var _48=_46;_46=_44;_45.revert();_45._dirtyObjects=_48;}else{_45._dirtyObjects=_46.concat(_44);}});if(this.objectStore.transaction){var _49=this.objectStore.transaction();}for(var i=0;i<_46.length;i++){var _4a=_46[i];var _4b=_4a.object;var old=_4a.old;delete _4b.__isDirty;if(_4b){_42=this.objectStore.put(_4b,{overwrite:!!old});}else{if(typeof old!="undefined"){_42=this.objectStore.remove(this.getIdentity(old));}}_44.push(_4a);_46.splice(i--,1);_4.when(_42,function(_4c){if(!(--_47)){if(_41.onComplete){_41.onComplete.call(_41.scope,_43);}}},function(_4d){_47=-1;_41.onError.call(_41.scope,_4d);});}if(_49){_49.commit();}}catch(e){_41.onError.call(_41.scope,value);}},revert:function(_4e){var _4f=this._dirtyObjects;for(var i=_4f.length;i>0;){i--;var _50=_4f[i];var _51=_50.object;var old=_50.old;if(_51&&old){for(var j in old){if(old.hasOwnProperty(j)&&_51[j]!==old[j]){this.onSet(_51,j,_51[j],old[j]);_51[j]=old[j];}}for(j in _51){if(!old.hasOwnProperty(j)){this.onSet(_51,j,_51[j]);delete _51[j];}}}else{if(!old){this.onDelete(_51);}else{this.onNew(old);}}delete (_51||old).__isDirty;_4f.splice(i,1);}},isDirty:function(_52){if(!_52){return !!this._dirtyObjects.length;}return _52.__isDirty;},onSet:function(){},onNew:function(){},onDelete:function(){},onFetch:function(_53){}});});
\ No newline at end of file |