76 lines
1.7 KiB
JavaScript
76 lines
1.7 KiB
JavaScript
//#include "Permalink.js
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L.Control.Permalink.include({
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/*
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options: {
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useMarker: true,
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markerOptions: {}
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},
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*/
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initialize_layer: function() {
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//console.info("Initialize layer");
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this.on('update', this._set_layer, this);
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this.on('add', this._onadd_layer, this);
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},
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_onadd_layer: function(e) {
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//console.info("onAdd::layer", e);
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this._map.on('layeradd', this._update_layer, this);
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this._map.on('layerremove', this._update_layer, this);
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this._update_layer();
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},
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_update_layer: function() {
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if (!this.options.layers) return;
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//console.info(this.options.layers);
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var layer = this.options.layers.currentBaseLayer();
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if (layer)
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this._update({layer: layer.name});
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},
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_set_layer: function(e) {
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//console.info("Set layer", e);
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var p = e.params;
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if (!this.options.layers || !p.layer) return;
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this.options.layers.chooseBaseLayer(p.layer);
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}
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});
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L.Control.Layers.include({
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chooseBaseLayer: function(name) {
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var layer, obj;
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for (var i in this._layers) {
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if (!this._layers.hasOwnProperty(i))
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continue;
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obj = this._layers[i];
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if (!obj.overlay && obj.name == name)
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layer = obj.layer;
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}
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if (!layer || this._map.hasLayer(layer))
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return;
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for (var i in this._layers) {
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if (!this._layers.hasOwnProperty(i))
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continue;
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obj = this._layers[i];
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if (!obj.overlay && this._map.hasLayer(obj.layer))
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this._map.removeLayer(obj.layer)
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}
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this._map.addLayer(layer)
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this._update();
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},
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currentBaseLayer: function() {
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for (var i in this._layers) {
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if (!this._layers.hasOwnProperty(i))
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continue;
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var obj = this._layers[i];
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//console.info("Layer: ", obj.name, obj);
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if (obj.overlay) continue;
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if (!obj.overlay && this._map.hasLayer(obj.layer))
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return obj;
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}
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}
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});
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