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Use framework events to stop and start autorefresh if tab is hidden or shown

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This commit is contained in:
Nathan Gray 2014-02-10 18:47:51 +00:00
parent 4ba2a0ba58
commit 9cd9f22026
1 changed files with 20 additions and 1 deletions
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21
etemplate/js/et2_extension_nextmatch.js
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@ -175,6 +175,12 @@ var et2_nextmatch = et2_DOMWidget.extend([et2_IResizeable, et2_IInput],
* Destroys all * Destroys all
*/ */
destroy: function() { destroy: function() {
// Stop autorefresh
if(this._autorefresh_timer)
{
window.clearInterval(this._autorefresh_timer);
}
// Free the grid components // Free the grid components
this.dataview.free(); this.dataview.free();
this.rowProvider.free(); this.rowProvider.free();
@ -422,7 +428,7 @@ var et2_nextmatch = et2_DOMWidget.extend([et2_IResizeable, et2_IInput],
*/ */
refresh: function(_row_ids, _type) { refresh: function(_row_ids, _type) {
// Framework trying to refresh, but nextmatch not fully initialized // Framework trying to refresh, but nextmatch not fully initialized
if(this.controller === null) if(this.controller === null || !this.div.is(':visible'))
{ {
return; return;
} }
@ -1290,6 +1296,19 @@ var et2_nextmatch = et2_DOMWidget.extend([et2_IResizeable, et2_IInput],
if(time > 0) if(time > 0)
{ {
this._autorefresh_timer = setInterval(jQuery.proxy(this.refresh, this), time * 1000); this._autorefresh_timer = setInterval(jQuery.proxy(this.refresh, this), time * 1000);
// Bind to tab show/hide events, so that we don't bother refreshing in the background
$j(this.getInstanceManager().DOMContainer.parentNode).on('hide.et2_nextmatch', jQuery.proxy(function(e) {
window.clearInterval(this._autorefresh_timer);
delete this._autorefresh_timer;
$j(e.target).off(e);
},this));
$j(this.getInstanceManager().DOMContainer.parentNode).on('show.et2_nextmatch', jQuery.proxy(function(e) {
this._set_autorefresh(this._get_autorefresh());
$j(e.target).off(e);
// Trigger an immediate refresh
this.refresh();
},this));
} }
}, },