[Mapbender-commits] r6114 - branches/3_dev/http/plugins

[svn_mapbender at osgeo.org]

Author: astrid_emde
Date: 2010-05-09 11:54:58 -0400 (Sun, 09 May 2010)
New Revision: 6114

Added:
   branches/3_dev/http/plugins/mod_doubleclickZoom.js
Log:
taken from trunk for templet_basic

Added: branches/3_dev/http/plugins/mod_doubleclickZoom.js
===================================================================
--- branches/3_dev/http/plugins/mod_doubleclickZoom.js	                        (rev 0)
+++ branches/3_dev/http/plugins/mod_doubleclickZoom.js	2010-05-09 15:54:58 UTC (rev 6114)
@@ -0,0 +1,113 @@
+/**
+ * Package: doubleclickZoom
+ *
+ * Description:
+ * Adds behaviour to maps specified in the target field.
+ * Zoom in on left double click, zoom out on right double click.
+ * Deactivates the browser contextmenu!
+ * 
+ * Files:
+ *  - http/javascripts/mod_doubleclickZoom.js
+ *
+ * SQL:
+ * > INSERT INTO gui_element (fkey_gui_id, e_id, e_pos, e_public, e_comment, 
+ * > e_title, e_element, e_src, e_attributes, e_left, e_top, e_width, 
+ * > e_height, e_z_index, e_more_styles, e_content, e_closetag, e_js_file, 
+ * > e_mb_mod, e_target, e_requires, e_url) VALUES ('<gui_id>', 
+ * > 'doubleclickZoom',2,1,'adds doubleclick zoom to map module (target). 
+ * > Deactivates the browser contextmenu!!!','Doubleclick zoom','div', 
+ * > '','',NULL ,NULL ,NULL ,NULL ,NULL ,'','','div',
+ * > 'mod_doubleclickZoom.js','','mapframe1','','');
+ *
+ * Help:
+ * http://www.mapbender.org/DoubleclickZoom
+ *
+ * Maintainer:
+ * http://www.mapbender.org/User:Christoph_Baudson
+ * 
+ * License:
+ * Copyright (c) 2009, Open Source Geospatial Foundation
+ * This program is dual licensed under the GNU General Public License 
+ * and Simplified BSD license.  
+ * http://svn.osgeo.org/mapbender/trunk/mapbender/license/license.txt
+ */
+
+Mapbender.events.init.register(function () {
+
+	for (var i in options.target) {
+		(function () {
+		
+			var currentTarget = options.target[i];
+	
+			var mapObject = Mapbender.modules[currentTarget];
+			
+			var zoomTo = function (lastScrollPosition, zoomIn) {
+				var pos = mapObject.convertPixelToReal(lastScrollPosition);
+				var extentAfterZoom = mapObject.calculateExtentAfterZoom(
+					zoomIn, 
+					2.0, 
+					pos.x, 
+					pos.y
+				);
+				var newPos = mapObject.convertRealToPixel(
+					pos,
+					extentAfterZoom
+				);
+				var diff = newPos.minus(lastScrollPosition);
+				
+				var newSouthEast = mapObject.convertPixelToReal(
+					(new Mapbender.Point(0, mapObject.getHeight())).plus(diff),
+					extentAfterZoom
+				);
+				var newNorthWest = mapObject.convertPixelToReal(
+					(new Mapbender.Point(mapObject.getWidth(), 0)).plus(diff),
+					extentAfterZoom
+				);
+				var newExtent = new Mapbender.Extent(newSouthEast, newNorthWest);
+				mapObject.setExtent(newExtent);
+				mapObject.setMapRequest();
+			};
+			
+			//
+			// Zoom out on right double click
+			//
+			mapObject.doubleClickZoomOut = function (lastScrollPosition) {
+				zoomTo(lastScrollPosition, false);
+			};
+			
+			//
+			// Zoom in on left double click
+			//
+			mapObject.doubleClickZoomIn = function (lastScrollPosition) {
+				zoomTo(lastScrollPosition, true);
+			};
+		
+			//
+			// add doubleclick behaviour
+			//
+			$("#" + currentTarget).dblclick(function (e) {
+				mapObject.doubleClickZoomIn(mapObject.getMousePosition(e));
+			}).bind('contextmenu',function(){ 
+				return false 
+			}).mouseup(function(e){
+				var rightclick = (e.which) ? (e.which == 3) : (e.button == 2);
+				var t = $(this);
+				if (rightclick) {
+					if (t.data('rightclicked')) {
+						mapObject.doubleClickZoomOut(mapObject.getMousePosition(e));
+		
+						t.data('rightclicked',false);
+						clearTimeout(t.data('rcTimer'));
+					} else {
+						t.data('rightclicked',true);
+						t.data('rcTimer',setTimeout((function(t){ 
+							return function(){ 
+								t.data('rightclicked', false); 
+							} 
+						})(t), 800));
+					};
+				};
+			}); 
+		}());
+	}
+});