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Move postrender event listening into base class

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This commit is contained in:
Tom Payne
2013-04-05 20:33:50 +02:00
parent da1e5aadd3
commit 06bcab8374
6 changed files with 31 additions and 118 deletions
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31
src/ol/control/scalelinecontrol.js
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@@ -4,8 +4,6 @@ goog.provide('ol.control.ScaleLineUnits');
goog.require('goog.dom');
goog.require('goog.style');
goog.require('ol.FrameState');
goog.require('ol.MapEvent');
goog.require('ol.MapEventType');
goog.require('ol.ProjectionUnits');
goog.require('ol.TransformFunction');
goog.require('ol.control.Control');
@@ -65,12 +63,6 @@ ol.control.ScaleLine = function(opt_options) {
this.units_ = goog.isDef(options.units) ?
options.units : ol.control.ScaleLineUnits.METRIC;
/**
* @private
* @type {Array.<?number>}
*/
this.listenerKeys_ = null;
/**
* @private
* @type {boolean}
@@ -112,30 +104,11 @@ goog.inherits(ol.control.ScaleLine, ol.control.Control);
ol.control.ScaleLine.LEADING_DIGITS = [1, 2, 5];
/**
* @param {ol.MapEvent} mapEvent Map event.
*/
ol.control.ScaleLine.prototype.handleMapPostrender = function(mapEvent) {
var frameState = mapEvent.frameState;
this.updateElement_(mapEvent.frameState);
};
/**
* @inheritDoc
*/
ol.control.ScaleLine.prototype.setMap = function(map) {
if (!goog.isNull(this.listenerKeys_)) {
goog.array.forEach(this.listenerKeys_, goog.events.unlistenByKey);
this.listenerKeys_ = null;
}
goog.base(this, 'setMap', map);
if (!goog.isNull(map)) {
this.listenerKeys_ = [
goog.events.listen(map, ol.MapEventType.POSTRENDER,
this.handleMapPostrender, false, this)
];
}
ol.control.ScaleLine.prototype.handleMapPostrender = function(mapEvent) {
this.updateElement_(mapEvent.frameState);
};