91 lines
2.7 KiB
JavaScript
91 lines
2.7 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. */
|
|
// @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"
|
|
});
|