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Fire 'zoomlevelschange' when calling setMinZoom & setMaxZoom. (#5230)

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* Fire 'zoomlevelschange' when calling setMinZoom & setMaxZoom.

* rename variables

* make sure 'zoomlevelschange' won't be fired unnecessarily

* fix enabling zoom control after changing zoom levels

* always fire `zoomlevelschange` if minZoom/maxZoom changed

* remove trailing spaces
This commit is contained in:
mynameisstephen 2017-10-04 13:02:45 +01:00 committed by Per Liedman
parent 000f457fcb
commit d2f6a6cdcd
1 changed files with 14 additions and 4 deletions
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18
src/map/Map.js
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@ -463,10 +463,15 @@ export var Map = Evented.extend({
// @method setMinZoom(zoom: Number): this
// Sets the lower limit for the available zoom levels (see the [minZoom](#map-minzoom) option).
setMinZoom: function (zoom) {
var oldZoom = this.options.minZoom;
this.options.minZoom = zoom;
if (this._loaded && this.getZoom() < this.options.minZoom) {
return this.setZoom(zoom);
if (this._loaded && oldZoom !== zoom) {
this.fire('zoomlevelschange');
if (this.getZoom() < this.options.minZoom) {
return this.setZoom(zoom);
}
}
return this;
@ -475,10 +480,15 @@ export var Map = Evented.extend({
// @method setMaxZoom(zoom: Number): this
// Sets the upper limit for the available zoom levels (see the [maxZoom](#map-maxzoom) option).
setMaxZoom: function (zoom) {
var oldZoom = this.options.maxZoom;
this.options.maxZoom = zoom;
if (this._loaded && (this.getZoom() > this.options.maxZoom)) {
return this.setZoom(zoom);
if (this._loaded && oldZoom !== zoom) {
this.fire('zoomlevelschange');
if (this.getZoom() > this.options.maxZoom) {
return this.setZoom(zoom);
}
}
return this;