--- /dev/null
+/* 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. */
+// @require: OpenLayers/Layer/Grid.js
+/**
+* @class
+*/
+OpenLayers.Layer.WMS = Class.create();
+OpenLayers.Layer.WMS.prototype =
+ Object.extend( new OpenLayers.Layer.Grid(), {
+
+ /** @final @type hash */
+ DEFAULT_PARAMS: { service: "WMS",
+ version: "1.1.1",
+ request: "GetMap",
+ styles: "",
+ exceptions: "application/vnd.ogc.se_inimage",
+ format: "image/jpeg"
+ },
+
+ /**
+ * @constructor
+ *
+ * @param {str} name
+ * @param {str} url
+ * @param {hash} params
+ */
+ initialize: function(name, url, params) {
+ var newArguments = new Array();
+ if (arguments.length > 0) {
+ //uppercase params
+ params = OpenLayers.Util.upperCaseObject(params);
+ newArguments.push(name, url, params);
+ }
+ OpenLayers.Layer.Grid.prototype.initialize.apply(this, newArguments);
+
+ if (arguments.length > 0) {
+ OpenLayers.Util.applyDefaults(
+ this.params,
+ OpenLayers.Util.upperCaseObject(this.DEFAULT_PARAMS)
+ );
+ }
+ },
+
+
+ /** WFS layer is never a base class.
+ * @type Boolean
+ */
+ isBaseLayer: function() {
+ return (this.params.TRANSPARENT != 'true');
+ },
+
+ /**
+ * @param {String} name
+ * @param {hash} params
+ *
+ * @returns A clone of this OpenLayers.Layer.WMS, with the passed-in
+ * parameters merged in.
+ * @type OpenLayers.Layer.WMS
+ */
+ clone: function (name, params) {
+ var mergedParams = {};
+ Object.extend(mergedParams, this.params);
+ Object.extend(mergedParams, params);
+ var obj = new OpenLayers.Layer.WMS(name, this.url, mergedParams);
+ obj.setTileSize(this.tileSize);
+ return obj;
+ },
+
+ /**
+ * addTile creates a tile, initializes it (via 'draw' in this case), and
+ * adds it to the layer div.
+ *
+ * @param {OpenLayers.Bounds} bounds
+ *
+ * @returns The added OpenLayers.Tile.Image
+ * @type OpenLayers.Tile.Image
+ */
+ addTile:function(bounds,position) {
+ url = this.getFullRequestString(
+ {BBOX:bounds.toBBOX(),
+ WIDTH:this.tileSize.w,
+ HEIGHT:this.tileSize.h});
+
+ return new OpenLayers.Tile.Image(this, position, bounds,
+ url, this.tileSize);
+ },
+
+ /** @final @type String */
+ CLASS_NAME: "OpenLayers.Layer.WMS"
+});