+++ /dev/null
-/*
- * The DiffStore is a in-memory store acting as proxy between a real store
- * instance and a component.
- * Its purpose is to redisplay the component *only* if the data has been changed
- * inside the real store, to avoid the annoying visual flickering of using
- * the real store directly.
- *
- * Implementation:
- * The DiffStore monitors via mon() the 'load' events sent by the real store.
- * On each 'load' event, the DiffStore compares its own content with the target
- * store (call to cond_add_item()) and then fires a 'refresh' event.
- * The 'refresh' event will automatically trigger a view refresh on the component
- * who binds to this store.
- */
-
-/* Config properties:
- * rstore: the realstore which will autorefresh its content from the API
- * Only works if rstore has a model and use 'idProperty'
- * sortAfterUpdate: sort the diffstore before rendering the view
- */
-Ext.define('PVE.data.DiffStore', {
- extend: 'Ext.data.Store',
- alias: 'store.diff',
-
- sortAfterUpdate: false,
-
- constructor: function(config) {
- var me = this;
-
- config = config || {};
-
- if (!config.rstore) {
- throw "no rstore specified";
- }
-
- if (!config.rstore.model) {
- throw "no rstore model specified";
- }
-
- var rstore = config.rstore;
-
- Ext.apply(config, {
- model: rstore.model,
- proxy: { type: 'memory' }
- });
-
- me.callParent([config]);
-
- var first_load = true;
-
- var cond_add_item = function(data, id) {
- var olditem = me.getById(id);
- if (olditem) {
- olditem.beginEdit();
- Ext.Array.each(me.model.prototype.fields, function(field) {
- if (olditem.data[field.name] !== data[field.name]) {
- olditem.set(field.name, data[field.name]);
- }
- });
- olditem.endEdit(true);
- olditem.commit();
- } else {
- var newrec = Ext.create(me.model, data);
- var pos = (me.appendAtStart && !first_load) ? 0 : me.data.length;
- me.insert(pos, newrec);
- }
- };
-
- var loadFn = function(s, records, success) {
-
- if (!success) {
- return;
- }
-
- me.suspendEvents();
-
- // getSource returns null if data is not filtered
- // if it is filtered it returns all records
- var allItems = me.getData().getSource() || me.getData();
-
- // remove vanished items
- allItems.each(function(olditem) {
- var item = rstore.getById(olditem.getId());
- if (!item) {
- me.remove(olditem);
- }
- });
-
- rstore.each(function(item) {
- cond_add_item(item.data, item.getId());
- });
-
- me.filter();
-
- if (me.sortAfterUpdate) {
- me.sort();
- }
-
- first_load = false;
-
- me.resumeEvents();
- me.fireEvent('refresh', me);
- me.fireEvent('datachanged', me);
- };
-
- if (rstore.isLoaded()) {
- // if store is already loaded,
- // insert items instantly
- loadFn(rstore, [], true);
- }
-
- me.mon(rstore, 'load', loadFn);
- }
-});