KickJava   Java API By Example, From Geeks To Geeks.

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


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.Frame JavaDoc;
59 import java.io.File JavaDoc;
60
61 import javax.swing.JFileChooser JavaDoc;
62 import javax.swing.filechooser.FileFilter JavaDoc;
63
64 import org.apache.log4j.Logger;
65 import org.objectstyle.cayenne.CayenneRuntimeException;
66 import org.objectstyle.cayenne.conf.Configuration;
67 import org.objectstyle.cayenne.modeler.Application;
68 import org.objectstyle.cayenne.modeler.dialog.OverwriteDialog;
69 import org.objectstyle.cayenne.modeler.util.FileFilters;
70 import org.objectstyle.cayenne.project.ApplicationProject;
71 import org.objectstyle.cayenne.project.DataMapProject;
72 import org.objectstyle.cayenne.project.Project;
73 import org.objectstyle.cayenne.project.ProjectFile;
74
75 /**
76  * File chooser panel used to select a directory to store project files.
77  *
78  * @author Andrei Adamchik
79  */
80 class ProjectOpener extends JFileChooser JavaDoc {
81
82     private static final Logger logObj = Logger.getLogger(ProjectOpener.class);
83
84     /**
85      * Selects a directory to store the project.
86      */
87     File JavaDoc newProjectDir(Frame JavaDoc f, Project p) {
88         if (p instanceof ApplicationProject) {
89             // configure for application project
90 return newProjectDir(f, Configuration.DEFAULT_DOMAIN_FILE, FileFilters
91                     .getApplicationFilter());
92         }
93         else if (p instanceof DataMapProject) {
94             // configure for DataMap project
95 ProjectFile projFileWrapper = p.projectFileForObject(p);
96             return newProjectDir(f, projFileWrapper.getLocation(), FileFilters
97                     .getDataMapFilter());
98         }
99         else {
100             String JavaDoc message = (p == null)
101                     ? "Null project."
102                     : "Unrecognized project class: " + p.getClass().getName();
103             throw new CayenneRuntimeException(message);
104         }
105     }
106
107     File JavaDoc newProjectDir(Frame JavaDoc f, String JavaDoc location, FileFilter JavaDoc filter) {
108         // configure dialog
109 setDialogTitle("Select Project Directory");
110         setFileSelectionMode(JFileChooser.FILES_AND_DIRECTORIES);
111         setCurrentDirectory(getDefaultStartDir());
112
113         // preselect current directory
114 if (getCurrentDirectory() != null) {
115             setSelectedFile(getCurrentDirectory());
116         }
117
118         // configure filters
119 resetChoosableFileFilters();
120         // allow users to see directories with cayenne.xml files
121 addChoosableFileFilter(filter);
122
123         File JavaDoc selectedDir;
124
125         while (true) {
126             int status = showDialog(f, "Select");
127             selectedDir = getSelectedFile();
128             if (status != JFileChooser.APPROVE_OPTION || selectedDir == null) {
129                 logObj.info("Save canceled.");
130                 return null;
131             }
132
133             // normalize selection
134 logObj.info("Selected: " + selectedDir);
135             if (!selectedDir.isDirectory()) {
136                 selectedDir = getSelectedFile().getParentFile();
137             }
138
139             // check for overwrite
140 File JavaDoc projectFile = new File JavaDoc(selectedDir, location);
141             if (projectFile.exists()) {
142                 OverwriteDialog dialog = new OverwriteDialog(projectFile, f);
143                 dialog.show();
144
145                 if (dialog.shouldOverwrite()) {
146                     break;
147                 }
148                 else if (dialog.shouldSelectAnother()) {
149                     continue;
150                 }
151                 else {
152                     // canceled
153 return null;
154                 }
155             }
156             else {
157                 break;
158             }
159         }
160
161         return selectedDir;
162     }
163
164     /**
165      * Runs a dialog to open Cayenne project.
166      */
167     File JavaDoc openProjectFile(Frame JavaDoc f) {
168
169         // configure dialog
170 setDialogTitle("Select Project File");
171         setFileSelectionMode(JFileChooser.FILES_ONLY);
172         setCurrentDirectory(getDefaultStartDir());
173
174         // configure filters
175 resetChoosableFileFilters();
176         addChoosableFileFilter(FileFilters.getApplicationFilter());
177         addChoosableFileFilter(FileFilters.getDataMapFilter());
178
179         // default to App projects
180 setFileFilter(FileFilters.getApplicationFilter());
181
182         int status = showOpenDialog(f);
183         if (status != JFileChooser.APPROVE_OPTION) {
184             return null;
185         }
186
187         return getSelectedFile();
188     }
189
190     /**
191      * Returns directory where file search should start. This is either coming from saved
192      * preferences, or a current directory is used.
193      */
194     File JavaDoc getDefaultStartDir() {
195         // find start directory in preferences
196 File JavaDoc existingDir = Application
197                 .getInstance()
198                 .getFrameController()
199                 .getLastDirectory()
200                 .getExistingDirectory(false);
201
202         if (existingDir == null) {
203             // go to current dir...
204 existingDir = new File JavaDoc(System.getProperty("user.dir"));
205         }
206
207         return existingDir;
208     }
209 }
Popular Tags