| 1 | /* Copyright (c) 2006-2012 by OpenLayers Contributors (see authors.txt for |
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| 2 | * full list of contributors). Published under the 2-clause BSD license. |
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| 3 | * See license.txt in the OpenLayers distribution or repository for the |
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| 4 | * full text of the license. */ |
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| 5 | |
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| 6 | |
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| 7 | /** |
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| 8 | * @requires OpenLayers/Layer.js |
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| 9 | * @requires OpenLayers/Layer/Markers.js |
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| 10 | */ |
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| 11 | |
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| 12 | /** |
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| 13 | * Class: OpenLayers.Layer.Boxes |
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| 14 | * Draw divs as 'boxes' on the layer. |
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| 15 | * |
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| 16 | * Inherits from: |
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| 17 | * - <OpenLayers.Layer.Markers> |
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| 18 | */ |
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| 19 | OpenLayers.Layer.Boxes = OpenLayers.Class(OpenLayers.Layer.Markers, { |
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| 20 | |
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| 21 | /** |
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| 22 | * Constructor: OpenLayers.Layer.Boxes |
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| 23 | * |
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| 24 | * Parameters: |
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| 25 | * name - {String} |
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| 26 | * options - {Object} Hashtable of extra options to tag onto the layer |
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| 27 | */ |
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| 28 | |
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| 29 | /** |
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| 30 | * Method: drawMarker |
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| 31 | * Calculate the pixel location for the marker, create it, and |
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| 32 | * add it to the layer's div |
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| 33 | * |
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| 34 | * Parameters: |
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| 35 | * marker - {<OpenLayers.Marker.Box>} |
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| 36 | */ |
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| 37 | drawMarker: function(marker) { |
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| 38 | var topleft = this.map.getLayerPxFromLonLat({ |
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| 39 | lon: marker.bounds.left, |
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| 40 | lat: marker.bounds.top |
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| 41 | }); |
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| 42 | var botright = this.map.getLayerPxFromLonLat({ |
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| 43 | lon: marker.bounds.right, |
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| 44 | lat: marker.bounds.bottom |
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| 45 | }); |
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| 46 | if (botright == null || topleft == null) { |
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| 47 | marker.display(false); |
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| 48 | } else { |
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| 49 | var markerDiv = marker.draw(topleft, { |
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| 50 | w: Math.max(1, botright.x - topleft.x), |
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| 51 | h: Math.max(1, botright.y - topleft.y) |
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| 52 | }); |
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| 53 | if (!marker.drawn) { |
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| 54 | this.div.appendChild(markerDiv); |
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| 55 | marker.drawn = true; |
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| 56 | } |
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| 57 | } |
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| 58 | }, |
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| 59 | |
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| 60 | |
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| 61 | /** |
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| 62 | * APIMethod: removeMarker |
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| 63 | * |
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| 64 | * Parameters: |
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| 65 | * marker - {<OpenLayers.Marker.Box>} |
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| 66 | */ |
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| 67 | removeMarker: function(marker) { |
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| 68 | OpenLayers.Util.removeItem(this.markers, marker); |
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| 69 | if ((marker.div != null) && |
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| 70 | (marker.div.parentNode == this.div) ) { |
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| 71 | this.div.removeChild(marker.div); |
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| 72 | } |
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| 73 | }, |
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| 74 | |
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| 75 | CLASS_NAME: "OpenLayers.Layer.Boxes" |
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| 76 | }); |
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