| | 172 | }, |
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| | 173 | |
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| | 174 | /** |
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| | 175 | * Method: recenterOnBbox |
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| | 176 | * Recenters on given bounds |
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| | 177 | * |
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| | 178 | * Parameters: |
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| | 179 | * {<OpenLayers.Bounds>} - bbox |
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| | 180 | */ |
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| | 181 | recenterOnBbox: function(bbox) { |
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| | 182 | if (this.showCenter) { |
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| | 183 | // display a symbol on the center point of the bbox |
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| | 184 | var lonlat = bbox.getCenterLonLat(); |
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| | 185 | this.showCenter(lonlat.lon, lonlat.lat); |
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| | 186 | } |
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| | 187 | |
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| | 188 | this.map.zoomToExtent(bbox, true); |
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| | 189 | }, |
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| | 190 | |
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| | 191 | /** |
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| | 192 | * Method: showCenter |
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| | 193 | * Materializes new center with a cross |
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| | 194 | * |
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| | 195 | * Parameters: |
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| | 196 | * {Float} - easting coordinate |
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| | 197 | * {Float} - northing coordinate |
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| | 198 | */ |
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| | 199 | showCenter: function(x, y) { |
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| | 200 | this.prepareVectorLayer(); |
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| | 201 | |
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| | 202 | var features = [ |
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| | 203 | new OpenLayers.Feature.Vector( |
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| | 204 | new OpenLayers.Geometry.Point(x, y), { |
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| | 205 | type: 'cross' |
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| | 206 | } |
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| | 207 | ) |
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| | 208 | ]; |
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| | 209 | |
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| | 210 | this.vectorLayer.addFeatures(features); |
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