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Allow to refresh a source and reload its data.

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Provide an API to refresh a source and reload its data in an associated
layer, as for example already loaded tiles in a ol.source.Tile source
are not refreshed. Additionally a test for the new
ol.source.Source.refresh() function is provided.

Currently internal state is not cleaned up, e.g. already loaded tiles
in a `ol.source.Tile` source are still cached and not reloaded at all.

github issue #4867 (https://github.com/openlayers/ol3/issues/4867)
This commit is contained in:
Sebastian Baumhekel
2016-02-18 16:11:36 +01:00
parent 68088341d6
commit 7fcf2650ee
4 changed files with 65 additions and 0 deletions
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29
test/spec/ol/source/source.test.js Normal file
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goog.provide('ol.test.source.Source');
describe('ol.source.Source', function() {
describe('constructor', function() {
it('returns a source', function() {
var source = new ol.source.Source({
projection: ol.proj.get('EPSG:4326')
});
expect(source).to.be.a(ol.source.Source);
});
});
describe('#refresh()', function() {
it('dispatches the change event', function() {
var source = new ol.source.Source({
projection: ol.proj.get('EPSG:4326')
});
var changedSpy = sinon.spy();
source.on('change', changedSpy);
source.refresh();
expect(changedSpy.called).to.be.ok();
});
});
});
goog.require('ol.proj');
goog.require('ol.source.Source');