Ext.define('PMG.data.StatStore', { extend: 'Ext.data.Store', alias: 'store.pmgStatStore', autoDestroy: true, staturl: undefined, reload: function() { var me = this; var ts = PMG.StatTimeSelector.getTimeSpan(); var last = me.proxy.extraParams; if (last.starttime === ts.starttime && last.endtime === ts.endtime) return; // avoid repeated loads me.proxy.url = me.staturl; me.proxy.extraParams = { starttime: ts.starttime, endtime: ts.endtime }; console.log("LOAD" + me.proxy.url); me.load(); }, proxy: { type: 'proxmox' }, constructor: function(config) { var me = this; config = config || {}; // staturl is required if (!config.staturl) { throw "no staturl specified"; } me.mon(Ext.GlobalEvents, 'pmgStatTimeSelectorUpdate', me.reload, me); me.callParent([config]); me.reload(); } });