Source Code Cross Referenced for JavadocDialog.java in  » IDE » DrJava » edu » rice » cs » drjava » ui » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » IDE » DrJava » edu.rice.cs.drjava.ui 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*BEGIN_COPYRIGHT_BLOCK
002:         *
003:         * Copyright (c) 2001-2007, JavaPLT group at Rice University (javaplt@rice.edu)
004:         * All rights reserved.
005:         * 
006:         * Redistribution and use in source and binary forms, with or without
007:         * modification, are permitted provided that the following conditions are met:
008:         *    * Redistributions of source code must retain the above copyright
009:         *      notice, this list of conditions and the following disclaimer.
010:         *    * Redistributions in binary form must reproduce the above copyright
011:         *      notice, this list of conditions and the following disclaimer in the
012:         *      documentation and/or other materials provided with the distribution.
013:         *    * Neither the names of DrJava, the JavaPLT group, Rice University, nor the
014:         *      names of its contributors may be used to endorse or promote products
015:         *      derived from this software without specific prior written permission.
016:         * 
017:         * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
018:         * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
019:         * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
020:         * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
021:         * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
022:         * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
023:         * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
024:         * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
025:         * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
026:         * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
027:         * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
028:         *
029:         * This software is Open Source Initiative approved Open Source Software.
030:         * Open Source Initative Approved is a trademark of the Open Source Initiative.
031:         * 
032:         * This file is part of DrJava.  Download the current version of this project
033:         * from http://www.drjava.org/ or http://sourceforge.net/projects/drjava/
034:         * 
035:         * END_COPYRIGHT_BLOCK*/
036:
037:        package edu.rice.cs.drjava.ui;
038:
039:        import edu.rice.cs.util.swing.DirectorySelectorComponent;
040:        import edu.rice.cs.util.swing.DirectoryChooser;
041:        import edu.rice.cs.drjava.DrJava;
042:        import edu.rice.cs.drjava.config.Configuration;
043:        import edu.rice.cs.drjava.config.OptionConstants;
044:        import edu.rice.cs.util.DirectorySelector;
045:        import edu.rice.cs.util.OperationCanceledException;
046:
047:        import javax.swing.*;
048:        import java.io.File;
049:
050:        /** Manages a dialog box that can select a destination directory for generating Javadoc.  The getDirectory method should
051:         *  be called to show the dialog, using the suggested location for the Javadoc as the "start" file.  If the user 
052:         *  modifies the selection once, the user's choice will be remembered and no further suggestions will be used.
053:         *
054:         *  @version $Id: JavadocDialog.java 4255 2007-08-28 19:17:37Z mgricken $
055:         */
056:        public class JavadocDialog implements  DirectorySelector {
057:            /** Parent frame of the dialog. */
058:            private final JFrame _frame;
059:
060:            /** File field and button. */
061:            private final DirectorySelectorComponent _selector;
062:
063:            /** Whether to always prompt for destination. */
064:            private final JCheckBox _checkBox;
065:
066:            /** OptionPane from which to get the results. */
067:            private final JOptionPane _optionPane;
068:
069:            /** Dialog to show. */
070:            private final JDialog _dialog;
071:
072:            /** Whether to use the suggested directory each time the dialog is shown. */
073:            private boolean _useSuggestion;
074:
075:            /** Current suggestion for the destination directory, or null. */
076:            private File _suggestedDir;
077:
078:            /** Creates a new JavadocDialog to show from the given frame.
079:             * 
080:             *  @param frame Parent frame of this dialog
081:             */
082:            public JavadocDialog(JFrame frame) {
083:                _frame = frame;
084:                _useSuggestion = true;
085:                _suggestedDir = null;
086:
087:                // Create file chooser
088:                DirectoryChooser chooser = new DirectoryChooser();
089:                chooser.setMultiSelectionEnabled(false);
090:                chooser.setApproveButtonText("Select");
091:                //    chooser.setEditable(true);
092:
093:                // Create components for dialog
094:                String msg = "Select a destination directory for the Javadoc files:";
095:                _selector = new DirectorySelectorComponent(_frame, chooser,
096:                        DirectorySelectorComponent.DEFAULT_NUM_COLS,
097:                        DirectorySelectorComponent.DEFAULT_FONT_SIZE, false);
098:                _checkBox = new JCheckBox("Always Prompt For Destination");
099:                Object[] components = new Object[] { msg, _selector, _checkBox };
100:
101:                _optionPane = new JOptionPane(components,
102:                        JOptionPane.QUESTION_MESSAGE,
103:                        JOptionPane.OK_CANCEL_OPTION);
104:                _dialog = _optionPane.createDialog(_frame,
105:                        "Select Javadoc Destination");
106:                chooser.setOwner(_dialog);
107:            }
108:
109:            public boolean isRecursive() {
110:                return false;
111:            }
112:
113:            /** Shows the dialog prompting the user for a destination directory in which to generate Javadoc.
114:             * 
115:             *  This operation must be executed from the event-handling thread!
116:             *
117:             *  @param start The directory to display in the text box.  If null,
118:             *  the most recent suggested directory (passed in via setSuggestedDir)
119:             *  is displayed, unless the user has modified a previous suggestion.
120:             *  @return A directory to use for the Javadoc (which might not exist)
121:             *  @throws OperationCanceledException if the selection request is canceled
122:             */
123:            public File getDirectory(File start)
124:                    throws OperationCanceledException {
125:                if (start != null) {
126:                    // We were given a default - use it.
127:                    _selector.setFileField(start);
128:                } else if (_useSuggestion && (_suggestedDir != null)) {
129:                    // We weren't given one, so we need to use our suggestion.
130:                    _selector.setFileField(_suggestedDir);
131:                }
132:
133:                Configuration config = DrJava.getConfig();
134:                boolean ask = config.getSetting(
135:                        OptionConstants.JAVADOC_PROMPT_FOR_DESTINATION)
136:                        .booleanValue();
137:
138:                if (ask) {
139:                    // The "always prompt" checkbox should be checked
140:                    _checkBox.setSelected(true);
141:
142:                    // Prompt the user
143:                    MainFrame.setPopupLoc(_dialog, _frame);
144:                    _dialog.setVisible(true);
145:
146:                    // Get result
147:                    if (!_isPositiveResult()) {
148:                        throw new OperationCanceledException();
149:                    }
150:
151:                    // See if the user wants to suppress this dialog in the future.
152:                    if (!_checkBox.isSelected()) {
153:                        config.setSetting(
154:                                OptionConstants.JAVADOC_PROMPT_FOR_DESTINATION,
155:                                Boolean.FALSE);
156:                    }
157:
158:                    // Check if the user disagreed with the suggestion
159:                    if ((start == null)
160:                            && (_useSuggestion && (_suggestedDir != null))
161:                            && !_selector.getFileFromField().equals(
162:                                    _suggestedDir)) {
163:                        _useSuggestion = false;
164:                    }
165:                }
166:                return _selector.getFileFromField();
167:            }
168:
169:            /** Asks the user a yes/no question.
170:             *  @return true if the user responded affirmatively, false if negatively
171:             */
172:            public boolean askUser(String message, String title) {
173:                int choice = JOptionPane.showConfirmDialog(_frame, message,
174:                        title, JOptionPane.YES_NO_OPTION);
175:                return (choice == JOptionPane.YES_OPTION);
176:            }
177:
178:            /** Warns the user about an error condition. */
179:            public void warnUser(String message, String title) {
180:                JOptionPane.showMessageDialog(_frame, message, title,
181:                        JOptionPane.ERROR_MESSAGE);
182:            }
183:
184:            /** Sets the suggested destination directory for Javadoc generation. This directory will be displayed
185:             *  in the file field if the user has not modified the suggestion in the past.
186:             * @param dir Suggested destination directory
187:             */
188:            public void setSuggestedDir(File dir) {
189:                _suggestedDir = dir;
190:            }
191:
192:            /** Sets whether the dialog should use the suggested directory provided
193:             *  to the getDirectory method as the default location.
194:             *  @param use Whether to use the suggested directory
195:             */
196:            public void setUseSuggestion(boolean use) {
197:                _useSuggestion = use;
198:            }
199:
200:            /** Returns whether the JOptionPane currently has the OK_OPTION result. */
201:            private boolean _isPositiveResult() {
202:                Object result = _optionPane.getValue();
203:                if ((result != null) && (result instanceof  Integer)) {
204:                    int rc = ((Integer) result).intValue();
205:                    return rc == JOptionPane.OK_OPTION;
206:                } else
207:                    return false;
208:            }
209:        }
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