more basic framework

public/javascripts/main.js

@@ -0,0 +1,72 @@
+/*
+    Copyright (C) 2004-05 Nick Whitelegg, Hogweed Software, nick@hogweed.org 
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the Lesser GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    Lesser GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111 USA
+
+*/
+
+// These are functions which manipulate the slippy map in various ways
+// The idea has been to try and clean up the slippy map API and take code
+// which does not manipulate it directly outside.
+
+var view=0, tileURL, tile_engine; 
+
+function init()
+{
+	tileURL = 'http://tile.openstreetmap.org/ruby/wmsmod.rbx';
+	tile_engine = new tile_engine_new('drag','FULL','',tileURL,lon,lat,zoom,700,500);
+
+	tile_engine.setURLAttribute("landsat",1);
+
+	document.getElementById('zoomout').onclick = zoomOut;
+	document.getElementById('zoomin').onclick = zoomIn;
+	/*
+	document.getElementById('landsat').onclick = landsatToggle;
+	*/
+
+	//document.getElementById('posGo').onclick = setPosition;
+}
+
+function zoomIn()
+{
+	tile_engine.tile_engine_zoomin();
+}
+
+function zoomOut()
+{
+	tile_engine.tile_engine_zoomout();
+}
+
+function enableTileEngine()
+{
+	tile_engine.event_catch();
+}
+
+function landsatToggle()
+{
+	var lsat = tile_engine.getURLAttribute("landsat");
+	tile_engine.setURLAttribute("landsat", (lsat) ? 0: 1);
+	tile_engine.forceRefresh();
+}
+
+function setPosition()
+{
+	/*
+	var txtLat = document.getElementById("txtLat"),
+		txtLon = document.getElementById("txtLon");
+
+	tile_engine.setLatLon(txtLat, txtLon);
+	*/
+}