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Java > Open Source Codes > org > objectstyle > cayenne > modeler > action > RevertAction


1 /* ====================================================================
2  *
3  * The ObjectStyle Group Software License, version 1.1
4  * ObjectStyle Group - http://objectstyle.org/
5  *
6  * Copyright (c) 2002-2005, Andrei (Andrus) Adamchik and individual authors
7  * of the software. All rights reserved.
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10  * modification, are permitted provided that the following conditions
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14  * notice, this list of conditions and the following disclaimer.
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22  * must include the following acknowlegement:
23  * "This product includes software developed by independent contributors
24  * and hosted on ObjectStyle Group web site (http://objectstyle.org/)."
25  * Alternately, this acknowlegement may appear in the software itself,
26  * if and wherever such third-party acknowlegements normally appear.
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28  * 4. The names "ObjectStyle Group" and "Cayenne" must not be used to endorse
29  * or promote products derived from this software without prior written
30  * permission. For written permission, email
31  * "andrus at objectstyle dot org".
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34  * or "Cayenne", nor may "ObjectStyle" or "Cayenne" appear in their
35  * names without prior written permission.
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51  * This software consists of voluntary contributions made by many
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54  * <http://objectstyle.org/>.
55  */
56 package org.objectstyle.cayenne.modeler.action;
57
58 import java.awt.event.ActionEvent JavaDoc;
59
60 import org.objectstyle.cayenne.CayenneRuntimeException;
61 import org.objectstyle.cayenne.modeler.Application;
62 import org.objectstyle.cayenne.modeler.CayenneModelerController;
63 import org.objectstyle.cayenne.modeler.util.CayenneAction;
64 import org.objectstyle.cayenne.project.ApplicationProject;
65 import org.objectstyle.cayenne.project.Project;
66
67 /**
68  * @author Andrei Adamchik
69  */
70 public class RevertAction extends CayenneAction {
71
72     public static String JavaDoc getActionName() {
73         return "Revert";
74     }
75
76     public RevertAction(Application application) {
77         super(getActionName(), application);
78     }
79
80     public void performAction(ActionEvent JavaDoc e) {
81
82         Project project = getCurrentProject();
83         if (project == null) {
84             return;
85         }
86
87         boolean isNew = project.isLocationUndefined();
88
89         CayenneModelerController controller = getApplication().getFrameController();
90
91         // close ... don't use OpenProjectAction close method as it will ask for save, we
92 // don't want that here
93 controller.projectClosedAction();
94
95         // reopen existing
96 if (!isNew && project.getMainFile().isFile()) {
97             OpenProjectAction openAction = (OpenProjectAction) controller
98                     .getApplication()
99                     .getAction(OpenProjectAction.getActionName());
100             openAction.openProject(project.getMainFile());
101         }
102         // create new
103 else if (!(project instanceof ApplicationProject)) {
104             throw new CayenneRuntimeException("Only ApplicationProjects are supported.");
105         }
106         else {
107             controller
108                     .getApplication()
109                     .getAction(NewProjectAction.getActionName())
110                     .performAction(e);
111         }
112     }
113 }
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