97 lines
3.1 KiB
JavaScript
97 lines
3.1 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/Layer/Grid.js
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/**
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* @class
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*/
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OpenLayers.Layer.WMS.Untiled = Class.create();
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OpenLayers.Layer.WMS.Untiled.prototype =
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Object.extend( new OpenLayers.Layer.Grid(), {
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/** @final @type hash */
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DEFAULT_PARAMS: { service: "WMS",
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version: "1.1.1",
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request: "GetMap",
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styles: "",
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exceptions: "application/vnd.ogc.se_inimage",
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format: "image/jpeg"
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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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/** WFS layer is never a base class.
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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.WMS, with the passed-in
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* parameters merged in.
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* @type OpenLayers.Layer.WMS
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*/
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clone: function (name, params) {
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var mergedParams = {};
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Object.extend(mergedParams, this.params);
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Object.extend(mergedParams, params);
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var obj = new OpenLayers.Layer.WMS(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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url = this.getFullRequestString(
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{BBOX:bounds.toBBOX(),
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WIDTH:this.map.getSize().w,
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HEIGHT:this.map.getSize().h});
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return new OpenLayers.Tile.Image(this, position, bounds,
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url, this.map.getSize());
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},
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moveTo:function(bounds,zoomChanged, minor) {
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if (!minor) {
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this.div.innerHTML = "";
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tile = this.addTile(bounds, new OpenLayers.Pixel(-parseInt(this.map.layerContainerDiv.style.left), -parseInt(this.map.layerContainerDiv.style.top)));
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tile.draw();
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}
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},
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/** @final @type String */
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CLASS_NAME: "OpenLayers.Layer.WMS.Untiled"
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});
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