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Merge pull request #3093 from cebence/no-single-base-layer-in-layers-control

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Hide single base layer in the Layers control
This commit is contained in:
Vladimir Agafonkin 2014-12-18 16:42:23 +02:00
commit f02767308d
1 changed files with 10 additions and 2 deletions
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12
src/control/Control.Layers.js
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@ -6,7 +6,8 @@ L.Control.Layers = L.Control.extend({
options: { options: {
collapsed: true, collapsed: true,
position: 'topright', position: 'topright',
autoZIndex: true autoZIndex: true,
hideSingleBase: false
}, },
initialize: function (baseLayers, overlays, options) { initialize: function (baseLayers, overlays, options) {
@ -127,13 +128,20 @@ L.Control.Layers = L.Control.extend({
L.DomUtil.empty(this._baseLayersList); L.DomUtil.empty(this._baseLayersList);
L.DomUtil.empty(this._overlaysList); L.DomUtil.empty(this._overlaysList);
var baseLayersPresent, overlaysPresent, i, obj; var baseLayersPresent, overlaysPresent, i, obj, baseLayersCount = 0;
for (i in this._layers) { for (i in this._layers) {
obj = this._layers[i]; obj = this._layers[i];
this._addItem(obj); this._addItem(obj);
overlaysPresent = overlaysPresent || obj.overlay; overlaysPresent = overlaysPresent || obj.overlay;
baseLayersPresent = baseLayersPresent || !obj.overlay; baseLayersPresent = baseLayersPresent || !obj.overlay;
baseLayersCount += !obj.overlay ? 1 : 0;
}
// Hide base layers section if there's only one layer.
if (this.options.hideSingleBase) {
baseLayersPresent = baseLayersPresent && baseLayersCount > 1;
this._baseLayersList.style.display = baseLayersPresent ? '' : 'none';
} }
this._separator.style.display = overlaysPresent && baseLayersPresent ? '' : 'none'; this._separator.style.display = overlaysPresent && baseLayersPresent ? '' : 'none';