6213e07f96
This is totally unfinished, but tests pass, and it is only meant to give the map a Navigation control.
63 lines
1.4 KiB
JavaScript
63 lines
1.4 KiB
JavaScript
goog.provide('ol.control.Navigation');
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goog.require('ol.control.Control');
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/**
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* @constructor
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* @extends {ol.control.Control}
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* @param {boolean|undefined} opt_autoActivate
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*/
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ol.control.Navigation = function(opt_autoActivate) {
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goog.base(this, opt_autoActivate);
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/**
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* Activate this control when it is added to a map. Default is true.
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*
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* @type {boolean} autoActivate
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*/
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this.autoActivate_ =
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goog.isDef(opt_autoActivate) ? opt_autoActivate : true;
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/**
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* type {number}
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* @private
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*/
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this.oldX = undefined;
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/**
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* type {number}
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* @private
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*/
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this.oldY = undefined;
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};
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goog.inherits(ol.control.Navigation, ol.control.Control);
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/** @inheritDoc */
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ol.control.Navigation.prototype.activate = function() {
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var active = goog.base(this, 'activate');
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if (active) {
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this.getMap().getEvents().register("drag", this.moveMap, this);
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}
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return active;
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};
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/** @inheritDoc */
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ol.control.Navigation.prototype.deactivate = function() {
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var inactive = goog.base(this, 'deactivate');
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if (inactive) {
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this.getMap().getEvents().unregister("drag", this.moveMap, this);
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}
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return inactive;
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};
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/**
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* @param {Event} evt
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*/
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ol.control.Navigation.prototype.moveMap = function(evt) {
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this.getMap().moveByPx(evt.clientX - oldX, evt.clientY - oldY);
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oldX = evt.clientX;
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oldY = evt.clientY;
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}; |