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

97 lines
3.1 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.Untiled = Class.create();
OpenLayers.Layer.WMS.Untiled.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.map.getSize().w,
HEIGHT:this.map.getSize().h});
return new OpenLayers.Tile.Image(this, position, bounds,
url, this.map.getSize());
},
moveTo:function(bounds,zoomChanged, minor) {
if (!minor) {
this.div.innerHTML = "";
tile = this.addTile(bounds, new OpenLayers.Pixel(-parseInt(this.map.layerContainerDiv.style.left), -parseInt(this.map.layerContainerDiv.style.top)));
tile.draw();
}
},
/** @final @type String */
CLASS_NAME: "OpenLayers.Layer.WMS.Untiled"
});