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


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.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  *
13  * 1. Redistributions of source code must retain the above copyright
14  * notice, this list of conditions and the following disclaimer.
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16  * 2. Redistributions in binary form must reproduce the above copyright
17  * notice, this list of conditions and the following disclaimer in
18  * the documentation and/or other materials provided with the
19  * distribution.
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21  * 3. The end-user documentation included with the redistribution, if any,
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.
27  *
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".
32  *
33  * 5. Products derived from this software may not be called "ObjectStyle"
34  * or "Cayenne", nor may "ObjectStyle" or "Cayenne" appear in their
35  * names without prior written permission.
36  *
37  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
38  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
39  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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41  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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43  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
44  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
45  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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47  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
48  * SUCH DAMAGE.
49  * ====================================================================
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51  * This software consists of voluntary contributions made by many
52  * individuals and hosted on ObjectStyle Group web site. For more
53  * information on the ObjectStyle Group, please see
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.modeler.Application;
61 import org.objectstyle.cayenne.modeler.CayenneModelerController;
62 import org.objectstyle.cayenne.modeler.ProjectController;
63 import org.objectstyle.cayenne.modeler.dialog.UnsavedChangesDialog;
64 import org.objectstyle.cayenne.modeler.util.CayenneAction;
65 import org.objectstyle.cayenne.project.ProjectPath;
66
67 /**
68  * @author Andrei Adamchik
69  */
70 public class ProjectAction extends CayenneAction {
71
72     public static String JavaDoc getActionName() {
73         return "Close Project";
74     }
75
76     public ProjectAction(Application application) {
77         super(getActionName(), application);
78     }
79
80     /**
81      * Constructor for ProjectAction.
82      *
83      * @param name
84      */
85     public ProjectAction(String JavaDoc name, Application application) {
86         super(name, application);
87     }
88
89     /**
90      * Closes current project.
91      */
92     public void performAction(ActionEvent JavaDoc e) {
93         closeProject();
94     }
95
96     /** Returns true if successfully closed project, false otherwise. */
97     public boolean closeProject() {
98         // check if there is a project...
99 if (getProjectController() == null || getProjectController().getProject() == null) {
100             return true;
101         }
102
103         if (!checkSaveOnClose()) {
104             return false;
105         }
106
107         CayenneModelerController controller = Application
108                 .getInstance()
109                 .getFrameController();
110         controller.projectClosedAction();
111
112         return true;
113     }
114
115     /**
116      * Returns false if cancel closing the window, true otherwise.
117      */
118     public boolean checkSaveOnClose() {
119         ProjectController projectController = getProjectController();
120         if (projectController != null && projectController.isDirty()) {
121             UnsavedChangesDialog dialog = new UnsavedChangesDialog(Application.getFrame());
122             dialog.show();
123
124             if (dialog.shouldCancel()) {
125                 // discard changes and DO NOT close
126 return false;
127             }
128             else if (dialog.shouldSave()) {
129                 // save changes and close
130 ActionEvent JavaDoc e = new ActionEvent JavaDoc(
131                         this,
132                         ActionEvent.ACTION_PERFORMED,
133                         "SaveAll");
134                 Application
135                         .getFrame()
136                         .getAction(SaveAction.getActionName())
137                         .actionPerformed(e);
138                 if (projectController.isDirty()) {
139                     // save was canceled... do not close
140 return false;
141                 }
142             }
143         }
144
145         return true;
146     }
147
148     /**
149      * Always returns true.
150      */
151     public boolean enableForPath(ProjectPath path) {
152         return true;
153     }
154 }
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