01: /*
02: * argun 1.0
03: * Web 2.0 delivery framework
04: * Copyright (C) 2007 Hammurapi Group
05: *
06: * This program is free software; you can redistribute it and/or
07: * modify it under the terms of the GNU Lesser General Public
08: * License as published by the Free Software Foundation; either
09: * version 2 of the License, or (at your option) any later version.
10: *
11: * This program is distributed in the hope that it will be useful,
12: * but WITHOUT ANY WARRANTY; without even the implied warranty of
13: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14: * Lesser General Public License for more details.
15: *
16: * You should have received a copy of the GNU Lesser General Public
17: * License along with this library; if not, write to the Free Software
18: * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19: *
20: * URL: http://www.hammurapi.biz
21: * e-Mail: support@hammurapi.biz
22: */
23: package biz.hammurapi.web.webdiagram;
24:
25: import java.awt.Color;
26: import java.util.Map;
27:
28: import org.jgraph.graph.DefaultPort;
29: import org.jgraph.graph.GraphConstants;
30:
31: import biz.hammurapi.diagram.DiagramEdge;
32: import biz.hammurapi.diagram.DiagramModel;
33: import biz.hammurapi.diagram.data.Edge;
34:
35: public class Query extends DiagramEdge {
36:
37: public Query(DiagramModel owner, Edge data) {
38: super (owner, data);
39: }
40:
41: public void setAttributes(Map attributes) {
42: super .setAttributes(attributes);
43: GraphConstants.setLineEnd(attributes,
44: GraphConstants.ARROW_SIMPLE);
45: GraphConstants.setLineWidth(attributes, 1);
46: GraphConstants.setLineColor(attributes, new Color(0, 0x80, 0));
47: }
48:
49: public boolean acceptsSource(Object port) {
50: return port != null
51: && ((DefaultPort) port).getParent() instanceof Entity;
52: }
53:
54: public boolean acceptsTarget(Object port) {
55: return port != null
56: && ((DefaultPort) port).getParent() instanceof Operation
57: && ((DefaultPort) port).getUserObject() == null;
58: }
59:
60: }
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