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Support zoom limits for layers

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This commit is contained in:
Tim Schaub
2019-08-06 13:27:32 -04:00
parent c767091faf
commit 65ad4932f4
11 changed files with 424 additions and 86 deletions
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test/spec/ol/layer/group.test.js
+72 -8
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@@ -44,7 +44,9 @@ describe('ol.layer.Group', function() {
extent: undefined,
zIndex: 0,
maxResolution: Infinity,
minResolution: 0
minResolution: 0,
minZoom: -Infinity,
maxZoom: Infinity
});
});
@@ -147,13 +149,17 @@ describe('ol.layer.Group', function() {
visible: false,
zIndex: 10,
maxResolution: 500,
minResolution: 0.25
minResolution: 0.25,
minZoom: 1,
maxZoom: 10
});
expect(layerGroup.getOpacity()).to.be(0.5);
expect(layerGroup.getVisible()).to.be(false);
expect(layerGroup.getMaxResolution()).to.be(500);
expect(layerGroup.getMinResolution()).to.be(0.25);
expect(layerGroup.getMinZoom()).to.be(1);
expect(layerGroup.getMaxZoom()).to.be(10);
expect(layerGroup.getLayerState()).to.eql({
layer: layerGroup,
opacity: 0.5,
@@ -164,7 +170,9 @@ describe('ol.layer.Group', function() {
extent: undefined,
zIndex: 10,
maxResolution: 500,
minResolution: 0.25
minResolution: 0.25,
minZoom: 1,
maxZoom: 10
});
expect(layerGroup.getLayers()).to.be.a(Collection);
expect(layerGroup.getLayers().getLength()).to.be(1);
@@ -206,7 +214,9 @@ describe('ol.layer.Group', function() {
extent: groupExtent,
zIndex: 0,
maxResolution: 500,
minResolution: 0.25
minResolution: 0.25,
minZoom: -Infinity,
maxZoom: Infinity
});
expect(layerGroup.getLayers()).to.be.a(Collection);
expect(layerGroup.getLayers().getLength()).to.be(1);
@@ -237,6 +247,8 @@ describe('ol.layer.Group', function() {
layerGroup.setExtent(groupExtent);
layerGroup.setMaxResolution(500);
layerGroup.setMinResolution(0.25);
layerGroup.setMinZoom(5);
layerGroup.setMaxZoom(10);
expect(layerGroup.getLayerState()).to.eql({
layer: layerGroup,
opacity: 0.3,
@@ -247,7 +259,9 @@ describe('ol.layer.Group', function() {
extent: groupExtent,
zIndex: 10,
maxResolution: 500,
minResolution: 0.25
minResolution: 0.25,
minZoom: 5,
maxZoom: 10
});
});
@@ -264,7 +278,9 @@ describe('ol.layer.Group', function() {
extent: undefined,
zIndex: 0,
maxResolution: Infinity,
minResolution: 0
minResolution: 0,
minZoom: -Infinity,
maxZoom: Infinity
});
layerGroup.setOpacity(3);
@@ -279,7 +295,9 @@ describe('ol.layer.Group', function() {
extent: undefined,
zIndex: 0,
maxResolution: Infinity,
minResolution: 0
minResolution: 0,
minZoom: -Infinity,
maxZoom: Infinity
});
});
@@ -452,12 +470,58 @@ describe('ol.layer.Group', function() {
extent: undefined,
zIndex: 0,
maxResolution: 150,
minResolution: 0.25
minResolution: 0.25,
minZoom: -Infinity,
maxZoom: Infinity
});
layerGroup.dispose();
});
it('returns max minZoom', function() {
const group = new LayerGroup({
minZoom: 5,
layers: [
new Layer({
source: new Source({
projection: 'EPSG:4326'
})
}),
new Layer({
source: new Source({
projection: 'EPSG:4326'
}),
minZoom: 10
})
]
});
expect(group.getLayerStatesArray()[0].minZoom).to.be(5);
expect(group.getLayerStatesArray()[1].minZoom).to.be(10);
});
it('returns min maxZoom of layers', function() {
const group = new LayerGroup({
maxZoom: 5,
layers: [
new Layer({
source: new Source({
projection: 'EPSG:4326'
})
}),
new Layer({
source: new Source({
projection: 'EPSG:4326'
}),
maxZoom: 2
})
]
});
expect(group.getLayerStatesArray()[0].maxZoom).to.be(5);
expect(group.getLayerStatesArray()[1].maxZoom).to.be(2);
});
});
});