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.layers;
25:
26: import java.util.*;
27:
28: import org.jdom.*;
29:
30: import jeeves.interfaces.*;
31: import jeeves.server.*;
32: import jeeves.server.context.*;
33:
34: import org.wfp.vam.intermap.kernel.map.*;
35: import org.wfp.vam.intermap.services.map.MapUtil;
36: import org.wfp.vam.intermap.Constants;
37:
38: //=============================================================================
39:
40: /** main.result service. shows search results
41: */
42:
43: public class SetTransparency implements Service {
44: public void init(String appPath, ServiceConfig config)
45: throws Exception {
46: }
47:
48: //--------------------------------------------------------------------------
49: //---
50: //--- Service
51: //---
52: //--------------------------------------------------------------------------
53:
54: public Element exec(Element params, ServiceContext context)
55: throws Exception {
56: int layerId = Integer.parseInt(params
57: .getChildText(Constants.MAP_SERVICE_ID));
58: float transparency = Float.parseFloat(params
59: .getChildText(Constants.TRANSPARENCY));
60:
61: // Get the MapMerger object from the user session
62: MapMerger mm = MapUtil.getMapMerger(context);
63:
64: mm.setTransparency(layerId, transparency);
65:
66: return new Element("response").addContent(mm
67: .getStructTransparencies());
68: // return null;
69: }
70:
71: }
72:
73: //=============================================================================
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