[Mapbender-commits] r6614 - trunk/mapbender/http/javascripts

[svn_mapbender at osgeo.org]

Author: verenadiewald
Date: 2010-07-22 14:51:34 +0000 (Thu, 22 Jul 2010)
New Revision: 6614

Modified:
   trunk/mapbender/http/javascripts/wms.js
Log:
new function setCrs

Modified: trunk/mapbender/http/javascripts/wms.js
===================================================================
--- trunk/mapbender/http/javascripts/wms.js	2010-07-22 14:48:58 UTC (rev 6613)
+++ trunk/mapbender/http/javascripts/wms.js	2010-07-22 14:51:34 UTC (rev 6614)
@@ -141,8 +141,34 @@
 	// sld version
 	this.gui_wms_sldurl = gui_wms_sldurl;    
 
+	this.setCrs = function (options) {
+		var crsIndex = $.inArray(options.source.srsCode, this.gui_epsg);
+		if (crsIndex !== -1 && 
+			typeof this.gui_minx[crsIndex] === 'number' &&
+			typeof this.gui_miny[crsIndex] === 'number' &&	
+			typeof this.gui_maxx[crsIndex] === 'number' &&
+			typeof this.gui_maxy[crsIndex] === 'number'
+		) {
+			var sw = new Proj4js.Point(
+				this.gui_minx[crsIndex], 
+				this.gui_miny[crsIndex]
+			);
+			var ne = new Proj4js.Point(
+				this.gui_maxx[crsIndex], 
+				this.gui_maxy[crsIndex]
+			);
+			sw = Proj4js.transform(options.source, options.dest, sw);
+			ne = Proj4js.transform(options.source, options.dest, ne);
+			var extent = new Mapbender.Extent(sw.x, sw.y, ne.x, ne.y);
+			this.setBoundingBoxBySrs(options.dest.srsCode, extent);
+		}
+		else {
+			this.setBoundingBoxBySrs(options.dest.srsCode);
+		}
+	};
+	
 	this.setBoundingBoxBySrs = function (srs, ext) {
-		for (var i = 0; i < this.gui_epsg.length; i++) {
+		for (var i = 0; i < this.gui_epsg.length && ext !== undefined; i++) {
 			if (srs == this.gui_epsg[i]) {
 				this.gui_minx[i] = parseFloat(ext.minx);
 				this.gui_miny[i] = parseFloat(ext.miny);
@@ -153,10 +179,14 @@
 		}
 		this.gui_epsg.push(srs);
 		this.gui_epsg_supported.push(false);
-		this.gui_minx.push(ext.minx);
-		this.gui_miny.push(ext.miny);
-		this.gui_maxx.push(ext.maxx);
-		this.gui_maxy.push(ext.maxy);
+		
+		if (ext !== undefined) {
+			this.gui_minx.push(ext.minx);
+			this.gui_miny.push(ext.miny);
+			this.gui_maxx.push(ext.maxx);
+			this.gui_maxy.push(ext.maxy);
+		}
+		
 		return this.gui_epsg.length - 1;
 	};
 }