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Reuse dragListenerKeys_ variable in ol.control.ZoomSlider

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This commit is contained in:
Frederic Junod
2016-03-29 16:52:28 +02:00
parent 8ef230768b
commit 0bb3f1e228
2 changed files with 10 additions and 10 deletions
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12
src/ol/control/zoomslidercontrol.js
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@@ -59,10 +59,10 @@ ol.control.ZoomSlider = function(opt_options) {
this.dragging_;
/**
* @type {Array.<ol.events.Key>}
* @type {!Array.<ol.events.Key>}
* @private
*/
this.dragListenerKeys_;
this.dragListenerKeys_ = [];
/**
* @type {number}
@@ -267,17 +267,17 @@ ol.control.ZoomSlider.prototype.handleDraggerStart_ = function(event) {
this.previousY_ = event.clientY;
this.dragging_ = true;
if (!this.dragListenerKeys_) {
if (this.dragListenerKeys_.length === 0) {
var drag = this.handleDraggerDrag_;
var end = this.handleDraggerEnd_;
this.dragListenerKeys_ = [
this.dragListenerKeys_.push(
ol.events.listen(document, ol.events.EventType.MOUSEMOVE, drag, this),
ol.events.listen(document, ol.events.EventType.TOUCHMOVE, drag, this),
ol.events.listen(document, ol.pointer.EventType.POINTERMOVE, drag, this),
ol.events.listen(document, ol.events.EventType.MOUSEUP, end, this),
ol.events.listen(document, ol.events.EventType.TOUCHEND, end, this),
ol.events.listen(document, ol.pointer.EventType.POINTERUP, end, this)
];
);
}
}
};
@@ -327,7 +327,7 @@ ol.control.ZoomSlider.prototype.handleDraggerEnd_ = function(event) {
this.previousX_ = undefined;
this.previousY_ = undefined;
this.dragListenerKeys_.forEach(ol.events.unlistenByKey);
this.dragListenerKeys_ = null;
this.dragListenerKeys_.length = 0;
}
};