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Adding scroll sequence and scroll support for the Navigation control.

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This commit is contained in:
ahocevar
2012-06-22 19:51:35 +02:00
parent 6b8000d963
commit c72f803038
5 changed files with 73 additions and 7 deletions
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24
src/ol/control/Navigation.js
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@@ -27,7 +27,9 @@ goog.inherits(ol.control.Navigation, ol.control.Control);
ol.control.Navigation.prototype.activate = function() {
var active = goog.base(this, 'activate');
if (active) {
this.getMap().getEvents().register("drag", this.moveMap, this);
var events = this.getMap().getEvents();
events.register("drag", this.moveMap, this);
events.register("scroll", this.zoomMap, this);
}
return active;
};
@@ -36,7 +38,9 @@ ol.control.Navigation.prototype.activate = function() {
ol.control.Navigation.prototype.deactivate = function() {
var inactive = goog.base(this, 'deactivate');
if (inactive) {
this.getMap().getEvents().unregister("drag", this.moveMap, this);
var events = this.getMap().getEvents();
events.unregister("drag", this.moveMap, this);
events.unregister("scroll", this.zoomMap, this);
}
return inactive;
};
@@ -45,7 +49,21 @@ ol.control.Navigation.prototype.deactivate = function() {
* @param {Object} evt
*/
ol.control.Navigation.prototype.moveMap = function(evt) {
this.getMap().moveByPx(evt.dx, evt.dy);
this.getMap().moveByPx(evt.deltaX, evt.deltaY);
return false;
};
/**
* @param {Object} evt
*/
ol.control.Navigation.prototype.zoomMap = function(evt) {
var map = this.getMap(),
delta = ((evt.deltaY / 3) | 0);
if (Math.abs(delta) > 0) {
map.setZoom(map.getZoom() - delta);
console.log(map.getZoom());
}
evt.preventDefault();
return false;
};