67ced536c0
git-svn-id: http://svn.openlayers.org/trunk/openlayers@1588 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
104 lines
3.2 KiB
JavaScript
104 lines
3.2 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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// @requires OpenLayers/Layer/Grid.js
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/**
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* @class
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*/
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OpenLayers.Layer.MapServer = OpenLayers.Class.create();
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OpenLayers.Layer.MapServer.prototype =
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OpenLayers.Util.extend( new OpenLayers.Layer.Grid(), {
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/** @final @type hash */
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DEFAULT_PARAMS: {
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mode: "map",
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map_imagetype: "png"
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},
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/**
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* @constructor
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*
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* @param {str} name
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* @param {str} url
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* @param {hash} params
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*/
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initialize: function(name, url, params) {
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var newArguments = new Array();
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if (arguments.length > 0) {
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//uppercase params
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params = OpenLayers.Util.upperCaseObject(params);
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newArguments.push(name, url, params);
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}
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OpenLayers.Layer.Grid.prototype.initialize.apply(this, newArguments);
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if (arguments.length > 0) {
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OpenLayers.Util.applyDefaults(
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this.params,
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OpenLayers.Util.upperCaseObject(this.DEFAULT_PARAMS)
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);
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}
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},
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/**
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* @type Boolean
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*/
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isBaseLayer: function() {
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return (this.params.TRANSPARENT != 'true');
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},
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/**
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* @param {String} name
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* @param {hash} params
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*
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* @returns A clone of this OpenLayers.Layer.MapServer, with the passed-in
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* parameters merged in.
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* @type OpenLayers.Layer.MapServer
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*/
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clone: function (name, params) {
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var mergedParams = {};
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OpenLayers.Util.extend(mergedParams, this.params);
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OpenLayers.Util.extend(mergedParams, params);
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var obj = new OpenLayers.Layer.MapServer(name, this.url, mergedParams);
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obj.setTileSize(this.tileSize);
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return obj;
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},
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/**
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* addTile creates a tile, initializes it (via 'draw' in this case), and
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* adds it to the layer div.
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*
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* @param {OpenLayers.Bounds} bounds
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*
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* @returns The added OpenLayers.Tile.Image
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* @type OpenLayers.Tile.Image
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*/
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addTile:function(bounds,position) {
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var url = this.getURL(bounds);
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return new OpenLayers.Tile.Image(this, position, bounds, url, this.tileSize);
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},
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/**
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* @param {OpenLayers.Bounds} bounds
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*
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* @returns A string with the layer's url and parameters and also the
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* passed-in bounds and appropriate tile size specified as
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* parameters
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* @type String
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*/
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getURL: function (bounds) {
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var url = this.getFullRequestString(
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{mapext:bounds.toBBOX().replace(/,/g,"+"),
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imgext:bounds.toBBOX().replace(/,/g,"+"),
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map_size:this.tileSize.w+'+'+this.tileSize.h,
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imgx: this.tileSize.w/2,
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imgy: this.tileSize.h/2,
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imgxy: this.tileSize.w+"+"+this.tileSize.h
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});
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return url;
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},
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/** @final @type String */
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CLASS_NAME: "OpenLayers.Layer.MapServer"
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});
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