01: package org.drools.eclipse.flow.common.editor.policy;
02:
03: /*
04: * Copyright 2005 JBoss Inc
05: *
06: * Licensed under the Apache License, Version 2.0 (the "License");
07: * you may not use this file except in compliance with the License.
08: * You may obtain a copy of the License at
09: *
10: * http://www.apache.org/licenses/LICENSE-2.0
11: *
12: * Unless required by applicable law or agreed to in writing, software
13: * distributed under the License is distributed on an "AS IS" BASIS,
14: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15: * See the License for the specific language governing permissions and
16: * limitations under the License.
17: */
18:
19: import org.drools.eclipse.flow.common.editor.core.ElementConnection;
20: import org.drools.eclipse.flow.common.editor.core.ElementWrapper;
21: import org.drools.eclipse.flow.common.editor.core.command.ElementConnectionCreateCommand;
22: import org.drools.eclipse.flow.common.editor.core.command.ReconnectElementConnectionSourceCommand;
23: import org.drools.eclipse.flow.common.editor.core.command.ReconnectElementConnectionTargetCommand;
24: import org.drools.eclipse.flow.common.editor.editpart.ElementEditPart;
25: import org.eclipse.gef.commands.Command;
26: import org.eclipse.gef.editpolicies.GraphicalNodeEditPolicy;
27: import org.eclipse.gef.requests.CreateConnectionRequest;
28: import org.eclipse.gef.requests.ReconnectRequest;
29:
30: /**
31: * Policy for editing an element node.
32: *
33: * @author <a href="mailto:kris_verlaenen@hotmail.com">Kris Verlaenen</a>
34: */
35: public class ElementNodeEditPolicy extends GraphicalNodeEditPolicy {
36:
37: protected Command getConnectionCompleteCommand(
38: CreateConnectionRequest request) {
39: ElementConnectionCreateCommand cmd = (ElementConnectionCreateCommand) request
40: .getStartCommand();
41: cmd.setConnection((ElementConnection) request.getNewObject());
42: cmd.setTarget(getElement());
43: return cmd;
44: }
45:
46: protected Command getConnectionCreateCommand(
47: CreateConnectionRequest request) {
48: ElementConnectionCreateCommand cmd = new ElementConnectionCreateCommand();
49: cmd.setConnection((ElementConnection) request.getNewObject());
50: cmd.setSource(getElement());
51: request.setStartCommand(cmd);
52: return cmd;
53: }
54:
55: protected ElementEditPart getActivityPart() {
56: return (ElementEditPart) getHost();
57: }
58:
59: protected ElementWrapper getElement() {
60: return (ElementWrapper) getHost().getModel();
61: }
62:
63: protected Command getReconnectSourceCommand(ReconnectRequest request) {
64: ReconnectElementConnectionSourceCommand cmd = new ReconnectElementConnectionSourceCommand();
65: cmd.setConnection((ElementConnection) request
66: .getConnectionEditPart().getModel());
67: cmd.setSource(getElement());
68: return cmd;
69: }
70:
71: protected Command getReconnectTargetCommand(ReconnectRequest request) {
72: ReconnectElementConnectionTargetCommand cmd = new ReconnectElementConnectionTargetCommand();
73: cmd.setConnection((ElementConnection) request
74: .getConnectionEditPart().getModel());
75: cmd.setTarget(getElement());
76: return cmd;
77: }
78:
79: }
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