Box.js
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/* Copyright (c) 2006 MetaCarta, Inc., published under the BSD license.
* See http://svn.openlayers.org/trunk/openlayers/release-license.txt
* for the full text of the license. */
/**
* @class
*
* @requires OpenLayers/Marker.js
*/
OpenLayers.Marker.Box = OpenLayers.Class.create();
OpenLayers.Marker.Box.prototype =
OpenLayers.Class.inherit( OpenLayers.Marker, {
/** @type OpenLayers.Bounds */
bounds: null,
/** @type DOMElement */
div: null,
/**
* @constructor
*
* @param {OpenLayers.Bounds} bounds
* @param {String} borderColor
* @param {int} borderWidth
*/
initialize: function(bounds, borderColor, borderWidth) {
this.bounds = bounds;
this.div = OpenLayers.Util.createDiv();
this.div.style.overflow = 'hidden';
this.events = new OpenLayers.Events(this, this.div, null);
this.setBorder(borderColor, borderWidth);
},
/**
*
*/
destroy: function() {
this.bounds = null;
this.div = null;
OpenLayers.Marker.prototype.destroy.apply(this, arguments);
},
/** Allow the user to change the box's color and border width
*
* @param {String} color Default is "red"
* @param {int} width Default is 2
*/
setBorder: function (color, width) {
if (!color) {
color = "red";
}
if (!width) {
width = 2;
}
this.div.style.border = width + "px solid " + color;
},
/**
* @param {OpenLayers.Pixel} px
* @param {OpenLayers.Size} sz
*
* @return A new DOM Image with this marker´s icon set at the
* location passed-in
* @type DOMElement
*/
draw: function(px, sz) {
OpenLayers.Util.modifyDOMElement(this.div, null, px, sz);
return this.div;
},
/**
* @returns Whether or not the marker is currently visible on screen.
* @type Boolean
*/
onScreen:function() {
var onScreen = false;
if (this.map) {
var screenBounds = this.map.getExtent();
onScreen = screenBounds.containsBounds(this.bounds, true, true);
}
return onScreen;
},
/** Hide or show the icon
*
* @param {Boolean} display
*/
display: function(display) {
this.div.style.display = (display) ? "" : "none";
},
/** @final @type String */
CLASS_NAME: "OpenLayers.Marker.Box"
});