openstreetmap-website/public/lib/OpenLayers/Feature.js
2006-08-27 00:45:43 +00:00

110 lines
2.8 KiB
JavaScript

/* Copyright (c) 2006 MetaCarta, Inc., published under the BSD license.
* See http://svn.openlayers.org/trunk/openlayers/license.txt for the full
* text of the license. */
/**
* @class
*/
OpenLayers.Feature = Class.create();
OpenLayers.Feature.prototype= {
/** @type OpenLayers.Events */
events:null,
/** @type OpenLayers.Layer */
layer: null,
/** @type String */
id: null,
/** @type OpenLayers.LonLat */
lonlat:null,
/** @type Object */
data:null,
/** @type OpenLayers.Marker */
marker: null,
/** @type OpenLayers.Popup */
popup: null,
/**
* @constructor
*
* @param {OpenLayers.Layer} layer
* @param {String} id
* @param {OpenLayers.LonLat} lonlat
* @param {Object} data
*/
initialize: function(layer, lonlat, data, id) {
this.layer = layer;
this.lonlat = lonlat;
this.data = (data != null) ? data : new Object();
this.id = (id ? id : 'f' + Math.random());
},
/**
*
*/
destroy: function() {
//remove the popup from the map
if ((this.layer != null) && (this.layer.map != null)) {
if (this.popup != null) {
this.layer.map.removePopup(this.popup);
}
}
this.events = null;
this.layer = null;
this.id = null;
this.lonlat = null;
this.data = null;
if (this.marker != null) {
this.marker.destroy();
this.marker = null;
}
if (this.popup != null) {
this.popup.destroy();
this.popup = null;
}
},
/**
* @returns A Marker Object created from the 'lonlat' and 'icon' properties
* set in this.data. If no 'lonlat' is set, returns null. If no
* 'icon' is set, OpenLayers.Marker() will load the default image
* @type OpenLayers.Marker
*/
createMarker: function() {
var marker = null;
if (this.lonlat != null) {
this.marker = new OpenLayers.Marker(this.lonlat, this.data.icon);
}
return this.marker;
},
/**
*
*/
createPopup: function() {
if (this.lonlat != null) {
var id = this.id + "_popup";
var anchor = (this.marker) ? this.marker.icon : null;
this.popup = new OpenLayers.Popup.AnchoredBubble(id,
this.lonlat,
this.data.popupSize,
this.data.popupContentHTML,
anchor);
}
return this.popup;
},
CLASS_NAME: "OpenLayers.Feature"
};