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Handle case where resource has no imagery providers

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This commit is contained in:
Tim Schaub
2014-01-10 13:50:51 -07:00
parent 542f478ca1
commit f78a668ce3
1 changed files with 33 additions and 30 deletions
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63
src/ol/source/bingmapssource.js
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@@ -115,37 +115,40 @@ ol.source.BingMaps.prototype.handleImageryMetadataResponse =
});
})));
var transform = ol.proj.getTransformFromProjections(
ol.proj.get('EPSG:4326'), this.getProjection());
var attributions = goog.array.map(
resource.imageryProviders,
function(imageryProvider) {
var html = imageryProvider.attribution;
/** @type {Object.<string, Array.<ol.TileRange>>} */
var tileRanges = {};
goog.array.forEach(
imageryProvider.coverageAreas,
function(coverageArea) {
var minZ = coverageArea.zoomMin;
var maxZ = coverageArea.zoomMax;
var bbox = coverageArea.bbox;
var epsg4326Extent = [bbox[1], bbox[0], bbox[3], bbox[2]];
var extent = ol.extent.transform(epsg4326Extent, transform);
var tileRange, z, zKey;
for (z = minZ; z <= maxZ; ++z) {
zKey = z.toString();
tileRange = tileGrid.getTileRangeForExtentAndZ(extent, z);
if (zKey in tileRanges) {
tileRanges[zKey].push(tileRange);
} else {
tileRanges[zKey] = [tileRange];
if (resource.imageryProviders) {
var transform = ol.proj.getTransformFromProjections(
ol.proj.get('EPSG:4326'), this.getProjection());
var attributions = goog.array.map(
resource.imageryProviders,
function(imageryProvider) {
var html = imageryProvider.attribution;
/** @type {Object.<string, Array.<ol.TileRange>>} */
var tileRanges = {};
goog.array.forEach(
imageryProvider.coverageAreas,
function(coverageArea) {
var minZ = coverageArea.zoomMin;
var maxZ = coverageArea.zoomMax;
var bbox = coverageArea.bbox;
var epsg4326Extent = [bbox[1], bbox[0], bbox[3], bbox[2]];
var extent = ol.extent.transform(epsg4326Extent, transform);
var tileRange, z, zKey;
for (z = minZ; z <= maxZ; ++z) {
zKey = z.toString();
tileRange = tileGrid.getTileRangeForExtentAndZ(extent, z);
if (zKey in tileRanges) {
tileRanges[zKey].push(tileRange);
} else {
tileRanges[zKey] = [tileRange];
}
}
}
});
return new ol.Attribution({html: html, tileRanges: tileRanges});
});
attributions.push(ol.source.BingMaps.TOS_ATTRIBUTION);
this.setAttributions(attributions);
});
return new ol.Attribution({html: html, tileRanges: tileRanges});
});
attributions.push(ol.source.BingMaps.TOS_ATTRIBUTION);
this.setAttributions(attributions);
}
this.setLogo(brandLogoUri);