| /* Copyright (c) 2006-2010 by OpenLayers Contributors (see authors.txt for | |
| * full list of contributors). Published under the Clear BSD license. | |
| * See http://svn.openlayers.org/trunk/openlayers/license.txt for the | |
| * full text of the license. */ | |
| /** | |
| * @requires OpenLayers/Layer.js | |
| * @requires OpenLayers/Layer/Markers.js | |
| */ | |
| /** | |
| * Class: OpenLayers.Layer.Boxes | |
| * Draw divs as 'boxes' on the layer. | |
| * | |
| * Inherits from: | |
| * - <OpenLayers.Layer.Markers> | |
| */ | |
| OpenLayers.Layer.Boxes = OpenLayers.Class(OpenLayers.Layer.Markers, { | |
| /** | |
| * Constructor: OpenLayers.Layer.Boxes | |
| * | |
| * Parameters: | |
| * name - {String} | |
| * options - {Object} Hashtable of extra options to tag onto the layer | |
| */ | |
| initialize: function (name, options) { | |
| OpenLayers.Layer.Markers.prototype.initialize.apply(this, arguments); | |
| }, | |
| /** | |
| * Method: drawMarker | |
| * Calculate the pixel location for the marker, create it, and | |
| * add it to the layer's div | |
| * | |
| * Parameters: | |
| * marker - {<OpenLayers.Marker.Box>} | |
| */ | |
| drawMarker: function(marker) { | |
| var bounds = marker.bounds; | |
| var topleft = this.map.getLayerPxFromLonLat( | |
| new OpenLayers.LonLat(bounds.left, bounds.top)); | |
| var botright = this.map.getLayerPxFromLonLat( | |
| new OpenLayers.LonLat(bounds.right, bounds.bottom)); | |
| if (botright == null || topleft == null) { | |
| marker.display(false); | |
| } else { | |
| var sz = new OpenLayers.Size( | |
| Math.max(1, botright.x - topleft.x), | |
| Math.max(1, botright.y - topleft.y)); | |
| var markerDiv = marker.draw(topleft, sz); | |
| if (!marker.drawn) { | |
| this.div.appendChild(markerDiv); | |
| marker.drawn = true; | |
| } | |
| } | |
| }, | |
| /** | |
| * APIMethod: removeMarker | |
| * | |
| * Parameters: | |
| * marker - {<OpenLayers.Marker.Box>} | |
| */ | |
| removeMarker: function(marker) { | |
| OpenLayers.Util.removeItem(this.markers, marker); | |
| if ((marker.div != null) && | |
| (marker.div.parentNode == this.div) ) { | |
| this.div.removeChild(marker.div); | |
| } | |
| }, | |
| CLASS_NAME: "OpenLayers.Layer.Boxes" | |
| }); | |