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Trackster: make sliders more responsive by waiting before drawing.

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This commit is contained in:
Jeremy Goecks
2012-07-13 19:44:21 -04:00
parent 5232d4e52c
commit ef753ff3f2
1 changed files with 15 additions and 10 deletions
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static/scripts/viz/trackster.js
+15 -10
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@@ -2083,7 +2083,6 @@ var NumberFilter = function(obj_dict) {
// Set up slider for filter.
var slider_div = $("<div/>").addClass("slider").appendTo(filter.parent_div);
filter.control_element = $("<div/>").attr("id", filter.name + "-filter-control").appendTo(slider_div);
var prev_values = [0,0];
filter.control_element.slider({
range: true,
min: this.min,
@@ -2193,17 +2192,23 @@ extend(NumberFilter.prototype, {
* Handle slide events.
*/
slide: function(event, ui) {
var values = ui.values;
var values = ui.values;
// Set new values in UI.
this.values_span.text(values[0] + "-" + values[1]);
// Set new values in filter.
this.low = values[0];
this.high = values[1];
// Set new values in UI.
this.values_span.text(values[0] + "-" + values[1]);
// Set timeout to update if filter low, high are stable.
var self = this;
setTimeout(function() {
if (values[0] === self.low && values[1] === self.high) {
self.manager.track.request_draw(true, true);
}
}, 25);
// Set new values in filter.
this.low = values[0];
this.high = values[1];
// Redraw track.
this.manager.track.request_draw(true, true);
},
/**
* Returns true if filter can be applied to element.