2991ae3191
git-svn-id: http://svn.openlayers.org/trunk/openlayers@1155 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
92 lines
3.0 KiB
JavaScript
92 lines
3.0 KiB
JavaScript
/* Copyright (c) 2006 MetaCarta, Inc., published under the BSD license.
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* See http://svn.openlayers.org/trunk/openlayers/license.txt for the full
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* text of the license. */
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// @require: OpenLayers/Tile.js
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/**
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* @class
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*/
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OpenLayers.Tile.Image = Class.create();
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OpenLayers.Tile.Image.prototype =
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Object.extend( new OpenLayers.Tile(), {
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/** @type DOMElement img */
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imgDiv: null,
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/**
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* @constructor
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*
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* @param {OpenLayers.Grid} layer
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* @param {OpenLayers.Pixel} position
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* @param {OpenLayers.Bounds} bounds
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* @param {String} url
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* @param {OpenLayers.Size} size
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*/
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initialize: function(layer, position, bounds, url, size) {
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OpenLayers.Tile.prototype.initialize.apply(this, arguments);
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},
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destroy: function() {
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if ((this.imgDiv != null) && (this.imgDiv.parentNode == this.layer.div)) {
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this.layer.div.removeChild(this.imgDiv);
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}
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this.imgDiv = null;
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OpenLayers.Tile.prototype.destroy.apply(this, arguments);
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},
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/**
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*/
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draw:function() {
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if (this.layer.alpha) {
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this.imgDiv = OpenLayers.Util.createAlphaImageDiv(null,
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this.position,
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this.size,
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this.url,
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"absolute",
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null,
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null,
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true);
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} else {
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this.imgDiv = OpenLayers.Util.createImage(null,
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this.position,
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this.size,
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this.url,
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"absolute",
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null,
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true);
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}
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this.layer.div.appendChild(this.imgDiv);
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},
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/** Clear the tile of any bounds/position-related data so that it can
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* be reused in a new location.
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*/
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clear: function() {
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this.imgDiv.style.display = "none";
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},
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/**
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* @param {OpenLayers.Bounds}
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* @param {OpenLayers.pixel} position
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*/
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moveTo: function (bounds, position) {
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this.url = this.layer.getURL(bounds);
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OpenLayers.Tile.prototype.moveTo.apply(this, arguments);
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},
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redraw: function () {
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this.imgDiv.style.display = "none";
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if (this.layer.alpha) {
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OpenLayers.Util.modifyAlphaImageDiv(this.imgDiv,
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null, this.position, this.size, this.url);
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} else {
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this.imgDiv.src = this.url;
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OpenLayers.Util.modifyDOMElement(this.imgDiv,
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null, this.position, this.size) ;
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}
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},
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/** @final @type String */
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CLASS_NAME: "OpenLayers.Tile.Image"
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}
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);
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