add RRDStore class

Copied from pve-manager:

- removed field specification
- changed statid to proxmoxRRDTypeSelection

Makefile

@@ -20,6 +20,7 @@ JSSRC=					\
 	data/UpdateStore.js		\
 	data/DiffStore.js		\
 	data/ObjectStore.js		\
+	data/RRDStore.js		\
 	data/TimezoneStore.js		\
 	form/IntegerField.js		\
 	form/TextField.js		\

data/RRDStore.js

@@ -0,0 +1,77 @@
+/* Extends the Proxmox.data.UpdateStore type
+ *
+ *
+ */
+Ext.define('Proxmox.data.RRDStore', {
+    extend: 'Proxmox.data.UpdateStore',
+    alias: 'store.proxmoxRRDStore',
+
+    setRRDUrl: function(timeframe, cf) {
+	var me = this;
+	if (!timeframe) {
+	    timeframe = me.timeframe;
+	}
+
+	if (!cf) {
+	    cf = me.cf;
+	}
+
+	me.proxy.url = me.rrdurl + "?timeframe=" + timeframe + "&cf=" + cf;
+    },
+
+    proxy: {
+	type: 'proxmox'
+    },
+
+    timeframe: 'hour',
+
+    cf: 'AVERAGE',
+
+    constructor: function(config) {
+	var me = this;
+
+	config = config || {};
+
+	// set default interval to 30seconds
+	if (!config.interval) {
+	    config.interval = 30000;
+	}
+
+	// set a new storeid
+	if (!config.storeid) {
+	    config.storeid = 'rrdstore-' + (++Ext.idSeed);
+	}
+
+	// rrdurl is required
+	if (!config.rrdurl) {
+	    throw "no rrdurl specified";
+	}
+
+	var stateid = 'proxmoxRRDTypeSelection';
+	var sp = Ext.state.Manager.getProvider();
+	var stateinit = sp.get(stateid);
+
+        if (stateinit) {
+	    if(stateinit.timeframe !== me.timeframe || stateinit.cf !== me.rrdcffn){
+		me.timeframe = stateinit.timeframe;
+		me.rrdcffn = stateinit.cf;
+	    }
+	}
+
+	me.callParent([config]);
+
+	me.setRRDUrl();
+	me.mon(sp, 'statechange', function(prov, key, state){
+	    if (key === stateid) {
+		if (state && state.id) {
+		    if (state.timeframe !== me.timeframe || state.cf !== me.cf) {
+		        me.timeframe = state.timeframe;
+		        me.cf = state.cf;
+			me.setRRDUrl();
+			me.reload();
+		    }
+		}
+	    }
+	});
+    }
+});