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Merge pull request #1457 from jfirebaugh/eachLayer

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Map#eachLayer?
This commit is contained in:
Vladimir Agafonkin 2013-02-27 02:37:33 -08:00
commit 99abc3e01d
2 changed files with 99 additions and 75 deletions
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165
spec/suites/map/MapSpec.js
View File

@ -76,17 +76,15 @@ describe("Map", function () {
describe("#setView", function () {
it("sets the view of the map", function () {
expect(map.setView([51.505, -0.09], 13)).toBe(map);
expect(map.getZoom()).toBe(13);
expect(map.getCenter().distanceTo([51.505, -0.09])).toBeLessThan(5);
expect(map.getZoom()).toBe(13);
expect(map.getCenter().distanceTo([51.505, -0.09])).toBeLessThan(5);
});
});
describe("#getBounds", function () {
it("is safe to call from within a moveend callback during initial " +
"load (#1027)", function () {
it("is safe to call from within a moveend callback during initial load (#1027)", function () {
map.on("moveend", function () {
map.getBounds();
map.getBounds();
});
map.setView([51.505, -0.09], 13);
@ -94,15 +92,14 @@ describe("Map", function () {
});
describe("#getMinZoom and #getMaxZoom", function () {
it("The minZoom and maxZoom options overrides any" +
" minZoom and maxZoom set on layers", function () {
var c = document.createElement('div'),
map = L.map(c, { minZoom: 5, maxZoom: 10 });
L.tileLayer("{z}{x}{y}", { minZoom:0, maxZoom: 10 }).addTo(map);
L.tileLayer("{z}{x}{y}", { minZoom:5, maxZoom: 15 }).addTo(map);
expect(map.getMinZoom()).toBe(5);
expect(map.getMaxZoom()).toBe(10);
});
it("minZoom and maxZoom options overrides any minZoom and maxZoom set on layers", function () {
var c = document.createElement('div'),
map = L.map(c, { minZoom: 5, maxZoom: 10 });
L.tileLayer("{z}{x}{y}", { minZoom:0, maxZoom: 10 }).addTo(map);
L.tileLayer("{z}{x}{y}", { minZoom:5, maxZoom: 15 }).addTo(map);
expect(map.getMinZoom()).toBe(5);
expect(map.getMaxZoom()).toBe(10);
});
});
describe("#addLayer", function () {
@ -114,69 +111,64 @@ describe("Map", function () {
expect(spy).toHaveBeenCalled();
});
});
describe("when a new layer with greater zoomlevel coverage than the current layer is added to a map", function () {
it("fires a zoomlevelschange event ",
function () {
L.tileLayer("{z}{x}{y}", { minZoom:0, maxZoom: 10 }).addTo(map);
map.on("zoomlevelschange", spy);
expect(spy).not.toHaveBeenCalled();
L.tileLayer("{z}{x}{y}", { minZoom:0, maxZoom: 15 }).addTo(map);
expect(spy).toHaveBeenCalled();
});
});
describe("when a new layer with the same or lower zoomlevel coverage as the current layer is added to a map", function () {
it("fires no a zoomlevelschange event ",
function () {
L.tileLayer("{z}{x}{y}", { minZoom:0, maxZoom: 10 }).addTo(map);
map.on("zoomlevelschange", spy);
expect(spy).not.toHaveBeenCalled();
L.tileLayer("{z}{x}{y}", { minZoom:0, maxZoom: 10 }).addTo(map);
expect(spy).not.toHaveBeenCalled();
L.tileLayer("{z}{x}{y}", { minZoom:0, maxZoom: 5 }).addTo(map);
expect(spy).not.toHaveBeenCalled();
});
});
});
describe("#removeLayer", function () {
describe("when the last tile layer on a map is removed", function () {
it("fires a zoomlevelschange event ", function () {
map.whenReady(function(){
var tl = L.tileLayer("{z}{x}{y}", { minZoom:0, maxZoom: 10 })
.addTo(map);
map.on("zoomlevelschange", spy);
expect(spy).not.toHaveBeenCalled();
map.removeLayer(tl);
expect(spy).toHaveBeenCalled();
});
});
});
describe("when a tile layer is removed from a map and it had greater zoom level coverage than the remainding layer", function () {
it("fires a zoomlevelschange event ", function () {
map.whenReady(function(){
var tl = L.tileLayer("{z}{x}{y}", { minZoom:0, maxZoom: 10 })
.addTo(map),
t2 = L.tileLayer("{z}{x}{y}", { minZoom:0, maxZoom: 15 })
.addTo(map);
map.on("zoomlevelschange", spy);
expect(spy).not.toHaveBeenCalled();
map.removeLayer(t2);
expect(spy).toHaveBeenCalled();
});
it("fires a zoomlevelschange event", function () {
L.tileLayer("{z}{x}{y}", { minZoom:0, maxZoom: 10 }).addTo(map);
map.on("zoomlevelschange", spy);
expect(spy).not.toHaveBeenCalled();
L.tileLayer("{z}{x}{y}", { minZoom:0, maxZoom: 15 }).addTo(map);
expect(spy).toHaveBeenCalled();
});
});
describe("when a tile layer is removed from a map it and it had lesser or the sa,e zoom level coverage as the remainding layer(s)", function () {
it("shouldn't fire a zoomlevelschange event ", function () {
describe("when a new layer with the same or lower zoomlevel coverage as the current layer is added to a map", function () {
it("fires no zoomlevelschange event", function () {
L.tileLayer("{z}{x}{y}", { minZoom:0, maxZoom: 10 }).addTo(map);
map.on("zoomlevelschange", spy);
expect(spy).not.toHaveBeenCalled();
L.tileLayer("{z}{x}{y}", { minZoom:0, maxZoom: 10 }).addTo(map);
expect(spy).not.toHaveBeenCalled();
L.tileLayer("{z}{x}{y}", { minZoom:0, maxZoom: 5 }).addTo(map);
expect(spy).not.toHaveBeenCalled();
});
});
});
describe("#removeLayer", function () {
describe("when the last tile layer on a map is removed", function () {
it("fires a zoomlevelschange event", function () {
map.whenReady(function(){
var tl = L.tileLayer("{z}{x}{y}", { minZoom:0, maxZoom: 10 })
.addTo(map),
t2 = L.tileLayer("{z}{x}{y}", { minZoom:0, maxZoom: 10 })
.addTo(map),
t3 = L.tileLayer("{z}{x}{y}", { minZoom:0, maxZoom: 5 })
.addTo(map);
var tl = L.tileLayer("{z}{x}{y}", { minZoom:0, maxZoom: 10 }).addTo(map);
map.on("zoomlevelschange", spy);
expect(spy).not.toHaveBeenCalled();
map.removeLayer(tl);
expect(spy).toHaveBeenCalled();
});
});
});
describe("when a tile layer is removed from a map and it had greater zoom level coverage than the remainding layer", function () {
it("fires a zoomlevelschange event", function () {
map.whenReady(function(){
var tl = L.tileLayer("{z}{x}{y}", { minZoom:0, maxZoom: 10 }).addTo(map),
t2 = L.tileLayer("{z}{x}{y}", { minZoom:0, maxZoom: 15 }).addTo(map);
map.on("zoomlevelschange", spy);
expect(spy).not.toHaveBeenCalled();
map.removeLayer(t2);
expect(spy).toHaveBeenCalled();
});
});
});
describe("when a tile layer is removed from a map it and it had lesser or the sa,e zoom level coverage as the remainding layer(s)", function () {
it("fires no zoomlevelschange event", function () {
map.whenReady(function(){
var tl = L.tileLayer("{z}{x}{y}", { minZoom:0, maxZoom: 10 }).addTo(map),
t2 = L.tileLayer("{z}{x}{y}", { minZoom:0, maxZoom: 10 }).addTo(map),
t3 = L.tileLayer("{z}{x}{y}", { minZoom:0, maxZoom: 5 }).addTo(map);
map.on("zoomlevelschange", spy);
expect(spy).not.toHaveBeenCalled();
@ -184,10 +176,33 @@ describe("Map", function () {
expect(spy).not.toHaveBeenCalled();
map.removeLayer(t3);
expect(spy).not.toHaveBeenCalled();
});
});
});
});
describe("#eachLayer", function () {
it("returns self", function () {
expect(map.eachLayer(function () {})).toBe(map);
});
it("calls the provided function for each layer", function () {
var t1 = L.tileLayer("{z}{x}{y}").addTo(map),
t2 = L.tileLayer("{z}{x}{y}").addTo(map);
map.eachLayer(spy);
expect(spy.calls.length).toEqual(2);
expect(spy.calls[0].args).toEqual([t1]);
expect(spy.calls[1].args).toEqual([t2]);
});
it("calls the provided function with the provided context", function () {
var t1 = L.tileLayer("{z}{x}{y}").addTo(map);
map.eachLayer(spy, map);
expect(spy.calls[0].object).toEqual(map);
});
});
});

9
src/map/Map.js
View File

@ -198,6 +198,15 @@ L.Map = L.Class.extend({
return this._layers.hasOwnProperty(id);
},
eachLayer: function (method, context) {
for (var i in this._layers) {
if (this._layers.hasOwnProperty(i)) {
method.call(context, this._layers[i]);
}
}
return this;
},
invalidateSize: function (animate) {
var oldSize = this.getSize();