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/*
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
define(["dojo/store/Memory",
"dojox/grid/DataGrid",
"dojo/data/ObjectStore",
"dojo/store/Observable"], function (Memory, DataGrid, ObjectStore, Observable) {
function UpdatableStore( data, divName, structure, func, props, Grid ) {
var that = this;
var GridType = DataGrid;
that.store = Observable(Memory({data: data, idProperty: "id"}));
that.dataStore = ObjectStore({objectStore: that.store});
var gridProperties = { store: that.dataStore,
structure: structure,
autoHeight: true
};
if(props) {
for(var prop in props) {
if(props.hasOwnProperty(prop))
{
gridProperties[ prop ] = props[ prop ];
}
}
}
if(Grid)
{
GridType = Grid;
}
that.grid = new GridType(gridProperties, divName);
// since we created this grid programmatically, call startup to render it
that.grid.startup();
if( func )
{
func(that);
}
}
UpdatableStore.prototype.update = function(data)
{
var store = this.store;
var theItem;
// handle deletes
// iterate over existing store... if not in new data then remove
store.query({ }).forEach(function(object) {
if(data) {
for(var i=0; i < data.length; i++) {
if(data[i].id == object.id) {
return;
}
}
}
store.remove(object.id);
});
// iterate over data...
if(data) {
for(var i=0; i < data.length; i++) {
if(theItem = store.get(data[i].id)) {
var modified;
for(var propName in data[i]) {
if(data[i].hasOwnProperty(propName)) {
if(theItem[ propName ] != data[i][ propName ]) {
theItem[ propName ] = data[i][ propName ];
modified = true;
}
}
}
if(modified) {
// ... check attributes for updates
store.notify(theItem, data[i].id);
}
} else {
// ,,, if not in the store then add
store.put(data[i]);
}
}
}
};
return UpdatableStore;
});
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