01: //=============================================================================
02: //=== Copyright (C) 2001-2007 Food and Agriculture Organization of the
03: //=== United Nations (FAO-UN), United Nations World Food Programme (WFP)
04: //=== and United Nations Environment Programme (UNEP)
05: //===
06: //=== This program is free software; you can redistribute it and/or modify
07: //=== it under the terms of the GNU General Public License as published by
08: //=== the Free Software Foundation; either version 2 of the License, or (at
09: //=== your option) any later version.
10: //===
11: //=== This program is distributed in the hope that it will be useful, but
12: //=== WITHOUT ANY WARRANTY; without even the implied warranty of
13: //=== MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14: //=== General Public License for more details.
15: //===
16: //=== You should have received a copy of the GNU General Public License
17: //=== along with this program; if not, write to the Free Software
18: //=== Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
19: //===
20: //=== Contact: Jeroen Ticheler - FAO - Viale delle Terme di Caracalla 2,
21: //=== Rome - Italy. email: geonetwork@osgeo.org
22: //==============================================================================
23:
24: package org.wfp.vam.intermap.services.map;
25:
26: import org.jdom.*;
27:
28: import jeeves.interfaces.*;
29: import jeeves.server.*;
30: import jeeves.server.context.*;
31:
32: import org.wfp.vam.intermap.kernel.map.*;
33:
34: import org.wfp.vam.intermap.Constants;
35: import org.wfp.vam.intermap.kernel.map.mapServices.BoundingBox;
36:
37: //=============================================================================
38:
39: /** main.result service. shows search results
40: */
41:
42: public class ZoomIn implements Service {
43: public void init(String appPath, ServiceConfig config)
44: throws Exception {
45: }
46:
47: //--------------------------------------------------------------------------
48: //---
49: //--- Service
50: //---
51: //--------------------------------------------------------------------------
52:
53: public Element exec(Element params, ServiceContext context)
54: throws Exception {
55: // Get request parameters
56: int x = Integer.parseInt(params.getChildText(Constants.MAP_X));
57: int y = Integer.parseInt(params.getChildText(Constants.MAP_Y));
58:
59: // Get the MapMerger object from the user session
60: MapMerger mm = MapUtil.getMapMerger(context);
61:
62: MapUtil.setActiveLayer(params, mm);
63: MapUtil.setVisibleLayers(params, mm);
64:
65: // Get the BoundinbBox object from the user session
66: BoundingBox bb = MapUtil.getMapMerger(context).getBoundingBox();
67:
68: // Move and zoom
69: MapUtil.moveTo(bb, x, y, MapUtil.getImageWidth(context),
70: MapUtil.getImageHeight(context));
71: bb.zoom(2);
72:
73: context.getUserSession().setProperty(Constants.SESSION_TOOL,
74: "zoomIn");
75:
76: return null;
77: }
78:
79: }
80:
81: //=============================================================================
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