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add map.setMinZoom() and map.setMaxZoom() closes #3380

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This commit is contained in:
Nathan Cahill 2015-04-16 18:39:40 -05:00
parent b719f931ff
commit 794e64df41
2 changed files with 37 additions and 0 deletions
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21
spec/suites/map/MapSpec.js
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@ -206,6 +206,27 @@ describe("Map", function () {
});
});
describe("#getMinZoom and #getMaxZoom", function () {
describe('#getMinZoom', function () {
it('returns 0 if not set by Map options or TileLayer options', function () {
var map = L.map(document.createElement('div'));
expect(map.getMinZoom()).to.be(0);
});
});
it("minZoom and maxZoom options overrides any minZoom and maxZoom set on layers", function () {
var map = L.map(document.createElement('div'), {minZoom: 2, maxZoom: 20});
L.tileLayer("{z}{x}{y}", {minZoom: 4, maxZoom: 10}).addTo(map);
L.tileLayer("{z}{x}{y}", {minZoom: 6, maxZoom: 17}).addTo(map);
L.tileLayer("{z}{x}{y}", {minZoom: 0, maxZoom: 22}).addTo(map);
expect(map.getMinZoom()).to.be(2);
expect(map.getMaxZoom()).to.be(20);
});
});
describe("#hasLayer", function () {
it("returns false when passed undefined, null, or false", function () {
var map = L.map(document.createElement('div'));

16
src/map/Map.js
View File

@ -143,6 +143,22 @@ L.Map = L.Evented.extend({
return this.on('moveend', this._panInsideMaxBounds);
},
setMinZoom: function (zoom) {
this.options.minZoom = zoom;
if (this._loaded && this.getZoom() < this.options.minZoom) {
this.setZoom(zoom);
}
},
setMaxZoom: function (zoom) {
this.options.maxZoom = zoom;
if (this._loaded && (this.getZoom() > this.options.maxZoom)) {
this.setZoom(zoom);
}
},
panInsideBounds: function (bounds, options) {
var center = this.getCenter(),
newCenter = this._limitCenter(center, this._zoom, bounds);