9e5059a93c
git-svn-id: http://svn.openlayers.org/trunk/openlayers@532 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
111 lines
2.7 KiB
JavaScript
111 lines
2.7 KiB
JavaScript
/**
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* @class
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*/
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OpenLayers.Marker = Class.create();
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OpenLayers.Marker.prototype = {
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/** @type OpenLayers.Icon */
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icon: null,
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/** location of object
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* @type OpenLayers.LonLat */
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lonlat: null,
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/** @type OpenLayers.Events*/
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events: null,
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/** @type OpenLayers.Map */
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map: null,
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/**
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* @constructor
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*
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* @param {OpenLayers.Icon} icon
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* @param {OpenLayers.LonLat lonlat
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*/
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initialize: function(lonlat, icon) {
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this.lonlat = lonlat;
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this.icon = (icon) ? icon : OpenLayers.Marker.defaultIcon();
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this.events = new OpenLayers.Events(this, this.icon.imageDiv, null);
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},
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destroy: function() {
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this.map = null;
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if (this.icon != null) {
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this.icon.destroy();
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this.icon = null;
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}
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},
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/**
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* @param {OpenLayers.Pixel} px
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*
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* @return A new DOM Image with this marker´s icon set at the
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* location passed-in
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* @type DOMElement
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*/
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draw: function(px) {
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return this.icon.draw(px);
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},
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/**
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* @param {OpenLayers.Pixel} px
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*/
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moveTo: function (px) {
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if ((px != null) && (this.icon != null)) {
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this.icon.moveTo(px);
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}
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},
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/**
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* @returns Whether or not the marker is currently visible on screen.
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* @type Boolean
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*/
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onScreen:function() {
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var screenBounds = OpenLayers.Bounds.fromSize(this.map.getSize());
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var iconTop = parseInt(this.icon.div.style.top);
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var iconLeft = parseInt(this.icon.div.style.left);
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var iconBottom = iconTop + parseInt(this.icon.div.style.height);
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var iconRight = iconLeft + parseInt(this.icon.div.style.width);
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var iconBounds =
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new OpenLayers.Bounds(iconLeft, iconBottom, iconRight, iconTop);
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return screenBounds.containsBounds(iconBounds, true);
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},
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/**
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* @param {float} inflate
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*/
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inflate: function(inflate) {
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if (this.icon) {
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var newSize = new OpenLayers.Size(this.icon.size.w * inflate,
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this.icon.size.h * inflate);
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this.icon.setSize(newSize);
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}
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},
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/** @final @type String */
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CLASS_NAME: "OpenLayers.Marker"
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};
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/**
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* @returns A default OpenLayers.Icon to use for a marker
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* @type OpenLayers.Icon
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*/
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OpenLayers.Marker.defaultIcon = function() {
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var url = OpenLayers.Util.getImagesLocation() + "marker.png";
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var size = new OpenLayers.Size(21, 25);
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var calculateOffset = function(size) {
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return new OpenLayers.Pixel(-(size.w/2), -size.h);
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};
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return new OpenLayers.Icon(url, size, null, calculateOffset);
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};
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