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817 lines
22 KiB
JavaScript
817 lines
22 KiB
JavaScript
15 years ago
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dojo.provide("dojox.data.AppStore");
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dojo.require("dojox.atom.io.Connection");
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dojo.require("dojo.data.util.simpleFetch");
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dojo.require("dojo.data.util.filter");
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dojo.experimental("dojox.data.AppStore");
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dojo.declare("dojox.data.AppStore",
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null,{
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url: "", // So the parser can instantiate the store via markup.
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urlPreventCache: false, // Whether or not to pass the preventCache parameter to the connection
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xmethod: false, // Whether to use X-Method-Override for PUT/DELETE.
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_atomIO: null,
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_feed: null,
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_requests: null,
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_processing: null,
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_updates: null,
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_adds: null,
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_deletes: null,
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constructor: function(/*Object*/args){
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// summary:
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// The APP data store.
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// description:
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// The APP Store is instantiated either in markup or programmatically by supplying a
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// url of the Collection to be used.
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//
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// args:
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// An anonymous object to initialize properties. It expects the following values:
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// url: The url of the Collection to load.
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// urlPreventCache: Whether or not to append on cache prevention params (as defined by dojo.xhr*)
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if(args && args.url){
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this.url = args.url;
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}
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if(args && args.urlPreventCache){
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this.urlPreventCache = args.urlPreventCache;
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}
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if(!this.url){
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throw new Error("A URL is required to instantiate an APP Store object");
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}
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},
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_setFeed: function(feed, data) {
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// summary:
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// Sets the internal feed using a dojox.atom.io.model.Feed object.
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// description:
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// Sets the internal feed using a dojox.atom.io.model.Feed object. Also adds
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// a property to the entries to track that they belong to this store. It
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// also parses stored requests (since we were waiting on a callback) and
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// executes those as well.
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//
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// feed: dojox.atom.io.model.Feed object
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// The Feed to use for this data store.
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// data: unused
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// Signature for this function is defined by AtomIO.getFeed, since this is a callback.
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this._feed = feed;
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var i;
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for(i=0; i<this._feed.entries.length; i++){
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this._feed.entries[i].store = this;
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}
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if(this._requests){
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for(i=0; i<this._requests.length; i++) {
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var request = this._requests[i];
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if(request.request && request.fh && request.eh) {
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this._finishFetchItems(request.request, request.fh, request.eh);
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} else if(request.clear) {
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this._feed = null;
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} else if(request.add) {
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this._feed.addEntry(request.add);
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} else if(request.remove){
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this._feed.removeEntry(request.remove);
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}
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}
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}
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this._requests = null;
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},
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_getAllItems: function(){
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// summary:
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// Function to return all entries in the Feed as an array of items.
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// description:
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// Function to return all entries in the Feed as an array of items.
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//
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// returns:
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// Array of all entries in the feed.
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var items = [];
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for(var i=0; i<this._feed.entries.length; i++){
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items.push(this._feed.entries[i]);
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}
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return items; //array
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},
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_assertIsItem: function(/* item */ item){
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// summary:
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// This function tests whether the item is an item.
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// description:
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// This function tests whether the item passed in is indeed an item
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// in the store.
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//
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// item:
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// The item to test for being contained by the store.
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if(!this.isItem(item)){
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throw new Error("This error message is provided when a function is called in the following form: "
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+ "getAttribute(argument, attributeName). The argument variable represents the member "
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+ "or owner of the object. The error is created when an item that does not belong "
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+ "to this store is specified as an argument.");
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}
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},
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_assertIsAttribute: function(/* String */ attribute){
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// summary:
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// This function tests whether the item is an attribute.
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// description:
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// This function tests whether the item passed in is indeed a valid
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// 'attribute' like type for the store.
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// attribute:
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// The attribute to test for being contained by the store.
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//
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// returns: Returns a boolean indicating whether this is a valid attribute.
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if(typeof attribute !== "string"){
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throw new Error("The attribute argument must be a string. The error is created "
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+ "when a different type of variable is specified such as an array or object.");
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}
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for(var key in dojox.atom.io.model._actions){
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if(key == attribute){
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return true;
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}
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}
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return false;
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},
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_addUpdate: function(/* Object */ update){
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// summary:
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// Internal function to add an updated entry to our updates array
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// description:
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// Internal function to add an updated entry to our updates array
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//
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// update: dojox.atom.io.model.Entry object
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// The updated Entry we've changed.
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if(!this._updates){
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this._updates = [update];
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}else{
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this._updates.push(update);
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}
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},
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/***************************************
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dojo.data.api.Read API
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***************************************/
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getValue: function( /* item */ item,
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/* attribute-name-string */ attribute,
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/* value? */ defaultValue){
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// summary:
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// See dojo.data.api.Read.getValue()
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var values = this.getValues(item, attribute);
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return (values.length > 0)?values[0]:defaultValue; //Object || int || Boolean
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},
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getValues: function(/* item */ item,
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/* attribute-name-string */ attribute){
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// summary:
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// See dojo.data.api.Read.getValues()
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this._assertIsItem(item);
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var flag = this._assertIsAttribute(attribute);
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if(flag) {
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if((attribute === "author" || attribute === "contributor" || attribute === "link") && item[attribute+"s"]){
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return item[attribute+"s"];
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}
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if(attribute === "category" && item.categories){
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return item.categories;
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}
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if(item[attribute]){
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item = item[attribute];
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if(item.declaredClass == "dojox.atom.io.model.Content"){
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return [item.value];
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}
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return [item] ;
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}
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}
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return []; //Array
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},
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getAttributes: function(/* item */ item){
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// summary:
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// See dojo.data.api.Read.getAttributes()
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this._assertIsItem(item);
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var attributes = [];
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for(var key in dojox.atom.io.model._actions){
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if(this.hasAttribute(item, key)){
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attributes.push(key);
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}
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}
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return attributes; //Array
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},
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hasAttribute: function( /* item */ item,
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/* attribute-name-string */ attribute){
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// summary:
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// See dojo.data.api.Read.hasAttribute()
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return this.getValues(item, attribute).length > 0;
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},
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containsValue: function(/* item */ item,
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/* attribute-name-string */ attribute,
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/* anything */ value){
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// summary:
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// See dojo.data.api.Read.containsValue()
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var regexp = undefined;
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if(typeof value === "string"){
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regexp = dojo.data.util.filter.patternToRegExp(value, false);
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}
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return this._containsValue(item, attribute, value, regexp); //boolean.
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},
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_containsValue: function( /* item */ item,
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/* attribute-name-string */ attribute,
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/* anything */ value,
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/* RegExp?*/ regexp,
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/* Boolean?*/ trim){
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// summary:
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// Internal function for looking at the values contained by the item.
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// description:
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// Internal function for looking at the values contained by the item. This
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// function allows for denoting if the comparison should be case sensitive for
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// strings or not (for handling filtering cases where string case should not matter)
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//
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// item:
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// The data item to examine for attribute values.
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// attribute:
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// The attribute to inspect.
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// value:
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// The value to match.
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// regexp:
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// Optional regular expression generated off value if value was of string type to handle wildcarding.
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// If present and attribute values are string, then it can be used for comparison instead of 'value'
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var values = this.getValues(item, attribute);
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for(var i = 0; i < values.length; ++i){
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var possibleValue = values[i];
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if(typeof possibleValue === "string" && regexp){
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if(trim) {
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possibleValue = possibleValue.replace(new RegExp(/^\s+/),""); // START
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possibleValue = possibleValue.replace(new RegExp(/\s+$/),""); // END
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}
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possibleValue = possibleValue.replace(/\r|\n|\r\n/g, "");
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return (possibleValue.match(regexp) !== null);
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}else{
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//Non-string matching.
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if(value === possibleValue){
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return true; // Boolean
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}
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}
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}
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return false; // Boolean
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},
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isItem: function(/* anything */ something){
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// summary:
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// See dojo.data.api.Read.isItem()
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return something && something.store && something.store === this; //boolean
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},
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isItemLoaded: function(/* anything */ something){
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// summary:
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// See dojo.data.api.Read.isItemLoaded()
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return this.isItem(something);
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},
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loadItem: function(/* Object */ keywordArgs){
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// summary:
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// See dojo.data.api.Read.loadItem()
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this._assertIsItem(keywordArgs.item);
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},
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_fetchItems: function(request, fetchHandler, errorHandler) {
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// summary: Fetch items (Atom entries) that match to a query
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// description: Fetch items (Atom entries) that match to a query
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// request:
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// A request object
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// fetchHandler:
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// A function to call for fetched items
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// errorHandler:
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// A function to call on error
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if(this._feed){
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this._finishFetchItems(request, fetchHandler, errorHandler);
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}else{
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var flag = false;
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if(!this._requests){
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this._requests = [];
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flag = true;
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}
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this._requests.push({request: request, fh: fetchHandler, eh: errorHandler});
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if(flag){
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this._atomIO = new dojox.atom.io.Connection(false, this.urlPreventCache);
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this._atomIO.getFeed(this.url,this._setFeed, null, this);
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}
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}
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},
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_finishFetchItems: function(request, fetchHandler, errorHandler){
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// summary: Internal function for finishing a fetch request.
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// description: Internal function for finishing a fetch request. Needed since the feed
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// might not have been loaded, so we finish the fetch in a callback.
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//
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// request:
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// A request object
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// fetchHandler:
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// A function to call for fetched items
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// errorHandler:
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// A function to call on error
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var items = null;
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var arrayOfAllItems = this._getAllItems();
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if(request.query){
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var ignoreCase = request.queryOptions ? request.queryOptions.ignoreCase : false;
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items = [];
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//See if there are any string values that can be regexp parsed first to avoid multiple regexp gens on the
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//same value for each item examined. Much more efficient.
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var regexpList = {};
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var key;
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var value;
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for(key in request.query){
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value = request.query[key]+'';
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if(typeof value === "string"){
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regexpList[key] = dojo.data.util.filter.patternToRegExp(value, ignoreCase);
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}
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}
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for(var i = 0; i < arrayOfAllItems.length; ++i){
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var match = true;
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var candidateItem = arrayOfAllItems[i];
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for(key in request.query){
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value = request.query[key]+'';
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if (!this._containsValue(candidateItem, key, value, regexpList[key], request.trim)){
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match = false;
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}
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}
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if(match){
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items.push(candidateItem);
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}
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}
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}else{
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// We want a copy to pass back in case the parent wishes to sort the array. We shouldn't allow resort
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// of the internal list so that multiple callers can get listsand sort without affecting each other.
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if(arrayOfAllItems.length> 0){
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items = arrayOfAllItems.slice(0,arrayOfAllItems.length);
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}
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}
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try {
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fetchHandler(items, request);
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} catch(e){
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errorHandler(e, request);
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}
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},
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getFeatures: function(){
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// summary:
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// See dojo.data.api.Read.getFeatures()
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return {
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'dojo.data.api.Read': true,
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'dojo.data.api.Write': true,
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'dojo.data.api.Identity': true
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};
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},
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close: function(/*dojo.data.api.Request || keywordArgs || null */ request){
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// summary:
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// See dojo.data.api.Read.close()
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// nothing to do here!
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this._feed = null;
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},
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getLabel: function(/* item */ item){
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||
|
|
// summary:
|
||
|
|
// See dojo.data.api.Read.getLabel()
|
||
|
|
if(this.isItem(item)){
|
||
|
|
return this.getValue(item, "title", "No Title");
|
||
|
|
}
|
||
|
|
return undefined;
|
||
|
|
},
|
||
|
|
|
||
|
|
getLabelAttributes: function(/* item */ item){
|
||
|
|
// summary:
|
||
|
|
// See dojo.data.api.Read.getLabelAttributes()
|
||
|
|
return ["title"];
|
||
|
|
},
|
||
|
|
|
||
|
|
/***************************************
|
||
|
|
dojo.data.api.Identity API
|
||
|
|
***************************************/
|
||
|
|
|
||
|
|
getIdentity: function(/* item */ item){
|
||
|
|
// summary:
|
||
|
|
// See dojo.data.api.Identity.getIdentity()
|
||
|
|
this._assertIsItem(item);
|
||
|
|
return this.getValue(item, "id");
|
||
|
|
},
|
||
|
|
|
||
|
|
getIdentityAttributes: function(/* item */ item){
|
||
|
|
// summary:
|
||
|
|
// See dojo.data.api.Identity.getIdentityAttributes()
|
||
|
|
return ["id"];
|
||
|
|
},
|
||
|
|
|
||
|
|
fetchItemByIdentity: function(keywordArgs){
|
||
|
|
// summary:
|
||
|
|
// See dojo.data.api.Identity.fetchItemByIdentity()
|
||
|
|
|
||
|
|
this._fetchItems({query:{id:keywordArgs.identity}, onItem: keywordArgs.onItem, scope: keywordArgs.scope},
|
||
|
|
function(items, request) {
|
||
|
|
var scope = request.scope;
|
||
|
|
if(!scope){
|
||
|
|
scope = dojo.global;
|
||
|
|
}
|
||
|
|
if(items.length < 1){
|
||
|
|
request.onItem.call(scope, null);
|
||
|
|
}else{
|
||
|
|
request.onItem.call(scope, items[0]);
|
||
|
|
}
|
||
|
|
}, keywordArgs.onError);
|
||
|
|
},
|
||
|
|
|
||
|
|
/***************************************
|
||
|
|
dojo.data.api.Identity API
|
||
|
|
***************************************/
|
||
|
|
|
||
|
|
newItem: function(/* Object? */ keywordArgs){
|
||
|
|
// summary:
|
||
|
|
// See dojo.data.api.Write.newItem()
|
||
|
|
var entry = new dojox.atom.io.model.Entry();
|
||
|
|
var value = null;
|
||
|
|
var temp = null;
|
||
|
|
var i;
|
||
|
|
for(var key in keywordArgs){
|
||
|
|
if(this._assertIsAttribute(key)) {
|
||
|
|
value = keywordArgs[key];
|
||
|
|
switch(key){
|
||
|
|
case "link":
|
||
|
|
for(i in value) {
|
||
|
|
temp = value[i];
|
||
|
|
entry.addLink(temp.href,temp.rel,temp.hrefLang,temp.title,temp.type);
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case "author":
|
||
|
|
for(i in value) {
|
||
|
|
temp = value[i];
|
||
|
|
entry.addAuthor(temp.name, temp.email, temp.uri);
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case "contributor":
|
||
|
|
for(i in value) {
|
||
|
|
temp = value[i];
|
||
|
|
entry.addContributor(temp.name, temp.email, temp.uri);
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case "category":
|
||
|
|
for(i in value){
|
||
|
|
temp = value[i];
|
||
|
|
entry.addCategory(temp.scheme, temp.term, temp.label);
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case "icon":
|
||
|
|
case "id":
|
||
|
|
case "logo":
|
||
|
|
case "xmlBase":
|
||
|
|
case "rights":
|
||
|
|
entry[key] = value;
|
||
|
|
break;
|
||
|
|
case "updated":
|
||
|
|
case "published":
|
||
|
|
case "issued":
|
||
|
|
case "modified":
|
||
|
|
entry[key] = dojox.atom.io.model.util.createDate(value);
|
||
|
|
break;
|
||
|
|
case "content":
|
||
|
|
case "summary":
|
||
|
|
case "title":
|
||
|
|
case "subtitle":
|
||
|
|
entry[key] = new dojox.atom.io.model.Content(key);
|
||
|
|
entry[key].value = value;
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
entry[key] = value;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
entry.store = this;
|
||
|
|
entry.isDirty = true;
|
||
|
|
|
||
|
|
if(!this._adds){
|
||
|
|
this._adds = [entry];
|
||
|
|
}else{
|
||
|
|
this._adds.push(entry);
|
||
|
|
}
|
||
|
|
|
||
|
|
if(this._feed){
|
||
|
|
this._feed.addEntry(entry);
|
||
|
|
}else{
|
||
|
|
if(this._requests){
|
||
|
|
this._requests.push({add:entry});
|
||
|
|
}else{
|
||
|
|
this._requests = [{add:entry}];
|
||
|
|
this._atomIO = new dojox.atom.io.Connection(false, this.urlPreventCache);
|
||
|
|
this._atomIO.getFeed(this.url,dojo.hitch(this,this._setFeed));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return true;
|
||
|
|
},
|
||
|
|
|
||
|
|
deleteItem: function(/* item */ item){
|
||
|
|
// summary:
|
||
|
|
// See dojo.data.api.Write.deleteItem()
|
||
|
|
this._assertIsItem(item);
|
||
|
|
|
||
|
|
if(!this._deletes){
|
||
|
|
this._deletes = [item];
|
||
|
|
}else{
|
||
|
|
this._deletes.push(item);
|
||
|
|
}
|
||
|
|
|
||
|
|
if(this._feed){
|
||
|
|
this._feed.removeEntry(item);
|
||
|
|
}else{
|
||
|
|
if(this._requests){
|
||
|
|
this._requests.push({remove:item});
|
||
|
|
}else{
|
||
|
|
this._requests = [{remove:item}];
|
||
|
|
this._atomIO = new dojox.atom.io.Connection(false, this.urlPreventCache);
|
||
|
|
this._atomIO.getFeed(this.url,dojo.hitch(this,this._setFeed));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
item = null;
|
||
|
|
return true;
|
||
|
|
},
|
||
|
|
|
||
|
|
setValue: function( /* item */ item,
|
||
|
|
/* string */ attribute,
|
||
|
|
/* almost anything */ value){
|
||
|
|
// summary:
|
||
|
|
// See dojo.data.api.Write.setValue()
|
||
|
|
this._assertIsItem(item);
|
||
|
|
|
||
|
|
var update = {item: item};
|
||
|
|
if(this._assertIsAttribute(attribute)) {
|
||
|
|
switch(attribute){
|
||
|
|
case "link":
|
||
|
|
update.links = item.links;
|
||
|
|
this._addUpdate(update);
|
||
|
|
item.links = null;
|
||
|
|
item.addLink(value.href,value.rel,value.hrefLang,value.title,value.type);
|
||
|
|
item.isDirty = true;
|
||
|
|
return true;
|
||
|
|
case "author":
|
||
|
|
update.authors = item.authors;
|
||
|
|
this._addUpdate(update);
|
||
|
|
item.authors = null;
|
||
|
|
item.addAuthor(value.name, value.email, value.uri);
|
||
|
|
item.isDirty = true;
|
||
|
|
return true;
|
||
|
|
case "contributor":
|
||
|
|
update.contributors = item.contributors;
|
||
|
|
this._addUpdate(update);
|
||
|
|
item.contributors = null;
|
||
|
|
item.addContributor(value.name, value.email, value.uri);
|
||
|
|
item.isDirty = true;
|
||
|
|
return true;
|
||
|
|
case "category":
|
||
|
|
update.categories = item.categories;
|
||
|
|
this._addUpdate(update);
|
||
|
|
item.categories = null;
|
||
|
|
item.addCategory(value.scheme, value.term, value.label);
|
||
|
|
item.isDirty = true;
|
||
|
|
return true;
|
||
|
|
case "icon":
|
||
|
|
case "id":
|
||
|
|
case "logo":
|
||
|
|
case "xmlBase":
|
||
|
|
case "rights":
|
||
|
|
update[attribute] = item[attribute];
|
||
|
|
this._addUpdate(update);
|
||
|
|
item[attribute] = value;
|
||
|
|
item.isDirty = true;
|
||
|
|
return true;
|
||
|
|
case "updated":
|
||
|
|
case "published":
|
||
|
|
case "issued":
|
||
|
|
case "modified":
|
||
|
|
update[attribute] = item[attribute];
|
||
|
|
this._addUpdate(update);
|
||
|
|
item[attribute] = dojox.atom.io.model.util.createDate(value);
|
||
|
|
item.isDirty = true;
|
||
|
|
return true;
|
||
|
|
case "content":
|
||
|
|
case "summary":
|
||
|
|
case "title":
|
||
|
|
case "subtitle":
|
||
|
|
update[attribute] = item[attribute];
|
||
|
|
this._addUpdate(update);
|
||
|
|
item[attribute] = new dojox.atom.io.model.Content(attribute);
|
||
|
|
item[attribute].value = value;
|
||
|
|
item.isDirty = true;
|
||
|
|
return true;
|
||
|
|
default:
|
||
|
|
update[attribute] = item[attribute];
|
||
|
|
this._addUpdate(update);
|
||
|
|
item[attribute] = value;
|
||
|
|
item.isDirty = true;
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return false;
|
||
|
|
},
|
||
|
|
|
||
|
|
setValues: function(/* item */ item,
|
||
|
|
/* string */ attribute,
|
||
|
|
/* array */ values){
|
||
|
|
// summary:
|
||
|
|
// See dojo.data.api.Write.setValues()
|
||
|
|
if(values.length === 0){
|
||
|
|
return this.unsetAttribute(item, attribute);
|
||
|
|
}
|
||
|
|
this._assertIsItem(item);
|
||
|
|
|
||
|
|
var update = {item: item};
|
||
|
|
var value;
|
||
|
|
var i;
|
||
|
|
if(this._assertIsAttribute(attribute)) {
|
||
|
|
switch(attribute){
|
||
|
|
case "link":
|
||
|
|
update.links = item.links;
|
||
|
|
item.links = null;
|
||
|
|
for(i in values) {
|
||
|
|
value = values[i];
|
||
|
|
item.addLink(value.href,value.rel,value.hrefLang,value.title,value.type);
|
||
|
|
}
|
||
|
|
item.isDirty = true;
|
||
|
|
return true;
|
||
|
|
case "author":
|
||
|
|
update.authors = item.authors;
|
||
|
|
item.authors = null;
|
||
|
|
for(i in values) {
|
||
|
|
value = values[i];
|
||
|
|
item.addAuthor(value.name, value.email, value.uri);
|
||
|
|
}
|
||
|
|
item.isDirty = true;
|
||
|
|
return true;
|
||
|
|
case "contributor":
|
||
|
|
update.contributors = item.contributors;
|
||
|
|
item.contributors = null;
|
||
|
|
for(i in values) {
|
||
|
|
value = values[i];
|
||
|
|
item.addContributor(value.name, value.email, value.uri);
|
||
|
|
}
|
||
|
|
item.isDirty = true;
|
||
|
|
return true;
|
||
|
|
case "categories":
|
||
|
|
update.categories = item.categories;
|
||
|
|
item.categories = null;
|
||
|
|
for(i in values) {
|
||
|
|
value = values[i];
|
||
|
|
item.addCategory(value.scheme, value.term, value.label);
|
||
|
|
}
|
||
|
|
item.isDirty = true;
|
||
|
|
return true;
|
||
|
|
case "icon":
|
||
|
|
case "id":
|
||
|
|
case "logo":
|
||
|
|
case "xmlBase":
|
||
|
|
case "rights":
|
||
|
|
update[attribute] = item[attribute];
|
||
|
|
item[attribute] = values[0];
|
||
|
|
item.isDirty = true;
|
||
|
|
return true;
|
||
|
|
case "updated":
|
||
|
|
case "published":
|
||
|
|
case "issued":
|
||
|
|
case "modified":
|
||
|
|
update[attribute] = item[attribute];
|
||
|
|
item[attribute] = dojox.atom.io.model.util.createDate(values[0]);
|
||
|
|
item.isDirty = true;
|
||
|
|
return true;
|
||
|
|
case "content":
|
||
|
|
case "summary":
|
||
|
|
case "title":
|
||
|
|
case "subtitle":
|
||
|
|
update[attribute] = item[attribute];
|
||
|
|
item[attribute] = new dojox.atom.io.model.Content(attribute);
|
||
|
|
item[attribute].values[0] = values[0];
|
||
|
|
item.isDirty = true;
|
||
|
|
return true;
|
||
|
|
default:
|
||
|
|
update[attribute] = item[attribute];
|
||
|
|
item[attribute] = values[0];
|
||
|
|
item.isDirty = true;
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
this._addUpdate(update);
|
||
|
|
return false;
|
||
|
|
},
|
||
|
|
|
||
|
|
unsetAttribute: function( /* item */ item,
|
||
|
|
/* string */ attribute){
|
||
|
|
// summary:
|
||
|
|
// See dojo.data.api.Write.unsetAttribute()
|
||
|
|
this._assertIsItem(item);
|
||
|
|
if(this._assertIsAttribute(attribute)) {
|
||
|
|
if(item[attribute] !== null) {
|
||
|
|
var update = {item: item};
|
||
|
|
switch(attribute){
|
||
|
|
case "author":
|
||
|
|
case "contributor":
|
||
|
|
case "link":
|
||
|
|
update[attribute+"s"] = item[attribute+"s"];
|
||
|
|
break;
|
||
|
|
case "category":
|
||
|
|
update.categories = item.categories;
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
update[attribute] = item[attribute];
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
item.isDirty = true;
|
||
|
|
item[attribute] = null;
|
||
|
|
this._addUpdate(update);
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return false; // boolean
|
||
|
|
},
|
||
|
|
|
||
|
|
save: function(/* object */ keywordArgs){
|
||
|
|
// summary:
|
||
|
|
// See dojo.data.api.Write.save()
|
||
|
|
// keywordArgs:
|
||
|
|
// {
|
||
|
|
// onComplete: function
|
||
|
|
// onError: function
|
||
|
|
// scope: object
|
||
|
|
// }
|
||
|
|
var i;
|
||
|
|
for(i in this._adds){
|
||
|
|
this._atomIO.addEntry(this._adds[i], null, function(){}, keywordArgs.onError, false, keywordArgs.scope);
|
||
|
|
}
|
||
|
|
|
||
|
|
this._adds = null;
|
||
|
|
|
||
|
|
for(i in this._updates){
|
||
|
|
this._atomIO.updateEntry(this._updates[i].item, function(){}, keywordArgs.onError, false, this.xmethod, keywordArgs.scope);
|
||
|
|
}
|
||
|
|
|
||
|
|
this._updates = null;
|
||
|
|
|
||
|
|
for(i in this._deletes){
|
||
|
|
this._atomIO.removeEntry(this._deletes[i], function(){}, keywordArgs.onError, this.xmethod, keywordArgs.scope);
|
||
|
|
}
|
||
|
|
|
||
|
|
this._deletes = null;
|
||
|
|
|
||
|
|
this._atomIO.getFeed(this.url,dojo.hitch(this,this._setFeed));
|
||
|
|
|
||
|
|
if(keywordArgs.onComplete){
|
||
|
|
var scope = keywordArgs.scope || dojo.global;
|
||
|
|
keywordArgs.onComplete.call(scope);
|
||
|
|
}
|
||
|
|
},
|
||
|
|
|
||
|
|
revert: function(){
|
||
|
|
// summary:
|
||
|
|
// See dojo.data.api.Write.revert()
|
||
|
|
var i;
|
||
|
|
for(i in this._adds){
|
||
|
|
this._feed.removeEntry(this._adds[i]);
|
||
|
|
}
|
||
|
|
|
||
|
|
this._adds = null;
|
||
|
|
|
||
|
|
var update, item, key;
|
||
|
|
for(i in this._updates){
|
||
|
|
update = this._updates[i];
|
||
|
|
item = update.item;
|
||
|
|
for(key in update){
|
||
|
|
if(key !== "item"){
|
||
|
|
item[key] = update[key];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
this._updates = null;
|
||
|
|
|
||
|
|
for(i in this._deletes){
|
||
|
|
this._feed.addEntry(this._deletes[i]);
|
||
|
|
}
|
||
|
|
this._deletes = null;
|
||
|
|
return true;
|
||
|
|
},
|
||
|
|
|
||
|
|
isDirty: function(/* item? */ item){
|
||
|
|
// summary:
|
||
|
|
// See dojo.data.api.Write.isDirty()
|
||
|
|
if(item) {
|
||
|
|
this._assertIsItem(item);
|
||
|
|
return item.isDirty?true:false; //boolean
|
||
|
|
}
|
||
|
|
return (this._adds!==null || this._updates!==null); //boolean
|
||
|
|
}
|
||
|
|
});
|
||
|
|
dojo.extend(dojox.data.AppStore,dojo.data.util.simpleFetch);
|