ff5351f775
since all modern browsers can properly handle multiple xmlhttprequests, we do not need to serialize them ourselves, but leave it to the browser this fixes an issue wehre a canceled request of an updatestore blocks all other updatestores until refresh Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>
77 lines
1.5 KiB
JavaScript
77 lines
1.5 KiB
JavaScript
/* Extends the Ext.data.Store type
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* with startUpdate() and stopUpdate() methods
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* to refresh the store data in the background
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* Components using this store directly will flicker
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* due to the redisplay of the element ater 'config.interval' ms
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*
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* Note that you have to call yourself startUpdate() for the background load
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* to begin
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*/
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Ext.define('Proxmox.data.UpdateStore', {
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extend: 'Ext.data.Store',
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alias: 'store.update',
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isStopped: true,
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autoStart: false,
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destroy: function() {
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var me = this;
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me.stopUpdate();
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me.callParent();
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},
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constructor: function(config) {
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var me = this;
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config = config || {};
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if (!config.interval) {
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config.interval = 3000;
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}
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if (!config.storeid) {
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throw "no storeid specified";
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}
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var load_task = new Ext.util.DelayedTask();
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var run_load_task = function() {
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if (me.isStopped) {
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return;
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}
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if (Proxmox.Utils.authOK()) {
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var start = new Date();
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me.load(function() {
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var runtime = (new Date()) - start;
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var interval = config.interval + runtime*2;
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load_task.delay(interval, run_load_task);
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});
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} else {
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load_task.delay(200, run_load_task);
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}
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};
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Ext.apply(config, {
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startUpdate: function() {
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me.isStopped = false;
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// run_load_task(); this makes problems with chrome
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load_task.delay(1, run_load_task);
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},
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stopUpdate: function() {
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me.isStopped = true;
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load_task.cancel();
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}
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});
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me.callParent([config]);
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me.load_task = load_task;
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if (me.autoStart) {
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me.startUpdate();
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}
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}
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});
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