KickJava   Java API By Example, From Geeks To Geeks.

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


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.
15  *
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.
20  *
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
40  * DISCLAIMED. IN NO EVENT SHALL THE OBJECTSTYLE GROUP OR
41  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
42  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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,
46  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
47  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
48  * SUCH DAMAGE.
49  * ====================================================================
50  *
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 import java.io.File JavaDoc;
60
61 import org.objectstyle.cayenne.CayenneRuntimeException;
62 import org.objectstyle.cayenne.modeler.Application;
63 import org.objectstyle.cayenne.modeler.dialog.validator.ValidationDisplayHandler;
64 import org.objectstyle.cayenne.modeler.dialog.validator.ValidatorDialog;
65 import org.objectstyle.cayenne.modeler.util.CayenneAction;
66 import org.objectstyle.cayenne.pref.Domain;
67 import org.objectstyle.cayenne.project.Project;
68 import org.objectstyle.cayenne.project.ProjectPath;
69 import org.objectstyle.cayenne.project.validator.Validator;
70
71 /**
72  * A "Save As" action that allows user to pick save location.
73  *
74  * @author Andrei Adamchik
75  */
76 public class SaveAsAction extends CayenneAction {
77
78     protected ProjectOpener fileChooser;
79
80     public static String JavaDoc getActionName() {
81         return "Save As...";
82     }
83
84     public SaveAsAction(Application application) {
85         this(getActionName(), application);
86     }
87
88     protected SaveAsAction(String JavaDoc name, Application application) {
89         super(name, application);
90         this.fileChooser = new ProjectOpener();
91     }
92
93     /**
94      * Saves project and related files. Saving is done to temporary files, and only on
95      * successful save, master files are replaced with new versions.
96      */
97     protected boolean saveAll() throws Exception JavaDoc {
98         Project p = getCurrentProject();
99
100         // obtain preference object before save, when the project path may change.....
101 Domain preference = getProjectController().getPreferenceDomainForProject();
102
103         if (!chooseDestination(p)) {
104             return false;
105         }
106
107         p.save();
108
109         // update preferences domain key
110 preference.rename(p.getMainFile().getAbsolutePath());
111
112         getApplication().getFrameController().addToLastProjListAction(
113                 p.getMainFile().getAbsolutePath());
114         return true;
115     }
116
117     protected boolean chooseDestination(Project p) {
118         File JavaDoc projectDir = fileChooser.newProjectDir(Application.getFrame(), p);
119         if (projectDir == null) {
120             return false;
121         }
122
123         p.setProjectDirectory(projectDir);
124         return true;
125     }
126
127     /**
128      * This method is synchronized to prevent problems on double-clicking "save".
129      */
130     public synchronized void performAction(ActionEvent JavaDoc e) {
131         performAction(ValidationDisplayHandler.WARNING);
132     }
133
134     public synchronized void performAction(int warningLevel) {
135         Validator val = getCurrentProject().getValidator();
136         int validationCode = val.validate();
137
138         // If no serious errors, perform save.
139 if (validationCode < ValidationDisplayHandler.ERROR) {
140             try {
141                 if (!saveAll()) {
142                     return;
143                 }
144             }
145             catch (Exception JavaDoc ex) {
146                 throw new CayenneRuntimeException("Error on save", ex);
147             }
148
149             getApplication().getFrameController().projectSavedAction();
150         }
151
152         // If there were errors or warnings at validation, display them
153 if (validationCode >= warningLevel) {
154             ValidatorDialog.showDialog(Application.getFrame(), val);
155         }
156     }
157
158     /**
159      * Returns <code>true</code> if path contains a Project object and the project is
160      * modified.
161      */
162     public boolean enableForPath(ProjectPath path) {
163         if (path == null) {
164             return false;
165         }
166
167         Project project = (Project) path.firstInstanceOf(Project.class);
168         return project != null && project.isModified();
169     }
170 }
Popular Tags