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don't auto-refresh if we want to see old data

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This commit is contained in:
Jakob Hirsch 2011-03-22 15:16:56 +01:00
parent d87218c571
commit 00c24ec2d1
1 changed files with 11 additions and 2 deletions
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13
htdocs/frontend/javascripts/wui.js
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@ -256,7 +256,16 @@ vz.wui.setTimeout = function() {
// clear an already set timeout
if (vz.wui.timeout != null) {
window.clearTimeout(vz.wui.timeout);
vz.wui.timeout = null;
}
// don't refresh if the end of the x axis is not the current time, i.e. we are looking at some old data
// we allow an offset of 1s, because loading data takes some time. this also means that if it takes more than 1s,
// we will not automatically refresh. this is a feature!
if (vz.options.plot.xaxis.max < Number(new Date()) - 1000) {
$('#refresh-time').html('(deactivated)');
return;
}
var t = Math.max((vz.options.plot.xaxis.max - vz.options.plot.xaxis.min)/vz.options.tuples, vz.options.minTimeout);
$('#refresh-time').html(Math.round(t/1000)+"s");
vz.wui.timeout = window.setTimeout(this.refresh, t);
@ -334,14 +343,14 @@ vz.wui.handleControls = function () {
// reenable autoscaling for yaxis
vz.options.plot.yaxis.max = null; // autoscaling
vz.options.plot.yaxis.min = 0; // fixed to 0
// we dont want to zoom/pan into the future
if (vz.options.plot.xaxis.max > new Date().getTime()) {
delta = vz.options.plot.xaxis.max - vz.options.plot.xaxis.min;
vz.options.plot.xaxis.max = new Date().getTime();
vz.options.plot.xaxis.min = new Date().getTime() - delta;
}
vz.entities.loadData().done(vz.wui.drawPlot);
};