source: gli/trunk/src/org/greenstone/gatherer/gems/DeleteMetadataSetPrompt.java@ 18412

Last change on this file since 18412 was 18412, checked in by kjdon, 15 years ago

more modifications for RTL GLI, thanks to Amin Hedjazi
  • Property svn:keywords set to Author Date Id Revision
File size: 9.5 KB
Line 
1/**
2 *#########################################################################
3 *
4 * A component of the Gatherer application, part of the Greenstone digital
5 * library suite from the New Zealand Digital Library Project at the
6 * University of Waikato, New Zealand.
7 *
8 * <BR><BR>
9 *
10 * Author: Shaoqun Wu, Greenstone Digital Library, University of Waikato
11 *
12 * <BR><BR>
13 *
14 * Copyright (C) 2006 New Zealand Digital Library Project
15 *
16 * <BR><BR>
17 *
18 * This program is free software; you can redistribute it and/or modify
19 * it under the terms of the GNU General Public License as published by
20 * the Free Software Foundation; either version 2 of the License, or
21 * (at your option) any later version.
22 *
23 * <BR><BR>
24 *
25 * This program is distributed in the hope that it will be useful,
26 * but WITHOUT ANY WARRANTY; without even the implied warranty of
27 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
28 * GNU General Public License for more details.
29 *
30 * <BR><BR>
31 *
32 * You should have received a copy of the GNU General Public License
33 * along with this program; if not, write to the Free Software
34 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
35 *########################################################################
36 */
37package org.greenstone.gatherer.gems;
38
39import java.awt.*;
40import java.awt.event.*;
41import javax.swing.*;
42import javax.swing.event.*;
43import java.util.ArrayList;
44import java.util.Collection;
45import java.util.Vector;
46import java.util.HashMap;
47
48
49import org.greenstone.gatherer.Configuration;
50import org.greenstone.gatherer.Dictionary;
51import org.greenstone.gatherer.gui.ModalDialog;
52import org.greenstone.gatherer.gui.GLIButton;
53
54public class DeleteMetadataSetPrompt
55 extends ModalDialog {
56
57 static private Dimension SIZE = new Dimension(500, 500);
58
59 private ArrayList available_metadata_sets;
60 private ArrayList listeners;
61
62 private JCheckBox confirmation = null;
63 private JButton delete_button = null;
64 private JButton close_button = null;
65 private JList available_set_list = null;
66 /** The model behind the list. */
67 private DefaultListModel list_model = null;
68 private JTextArea description_textarea = null;
69 private DeleteMetadataSetPrompt self;
70 private MetadataSetManager meta_manager;
71
72 public DeleteMetadataSetPrompt(Frame parent,MetadataSetManager msm) {
73 super(parent, true);
74 self = this;
75 meta_manager = msm;
76 listeners = new ArrayList();
77
78 setSize(SIZE);
79 setTitle(Dictionary.get("GEMS.DeleteMetadataSetPrompt.Title"));
80
81 JPanel content_pane = (JPanel) getContentPane();
82 content_pane.setOpaque(true);
83 content_pane.setComponentOrientation(Dictionary.getOrientation());
84
85 JLabel available_metadata_sets_label = new JLabel(Dictionary.get("GEMS.DeleteMetadataSetPrompt.Available_Sets"));
86 available_metadata_sets_label.setOpaque(true);
87 available_metadata_sets_label.setComponentOrientation(Dictionary.getOrientation());
88
89 list_model = new DefaultListModel();
90
91 available_set_list = new JList();
92 available_set_list.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
93 available_set_list.setModel(list_model);
94 available_set_list.setCellRenderer(new MetadatSetListCellRenderer());
95 available_set_list.setFixedCellHeight(20);
96 available_set_list.addListSelectionListener(new MetadataSetListSelectionListener());
97 available_set_list.setComponentOrientation(Dictionary.getOrientation());
98
99 JPanel set_pane = new JPanel();
100 set_pane.setComponentOrientation(Dictionary.getOrientation());
101 set_pane.setLayout(new BorderLayout());
102 set_pane.add(available_metadata_sets_label,BorderLayout.NORTH);
103 set_pane.add(new JScrollPane(available_set_list),BorderLayout.CENTER);
104
105
106 JLabel metadata_set_des_label = new JLabel(Dictionary.get("GEMS.Set_Description"));
107 metadata_set_des_label.setOpaque(true);
108
109 description_textarea = new JTextArea();
110 description_textarea.setOpaque(true);
111 description_textarea.setEditable(false);
112 description_textarea.setLineWrap(true);
113 description_textarea.setWrapStyleWord(true);
114 description_textarea.setComponentOrientation(Dictionary.getOrientation());
115
116 JPanel des_pane = new JPanel();
117 des_pane.setComponentOrientation(Dictionary.getOrientation());
118 des_pane.setLayout(new BorderLayout());
119 des_pane.add(metadata_set_des_label,BorderLayout.NORTH);
120 des_pane.add(new JScrollPane(description_textarea),BorderLayout.CENTER);
121
122 JPanel button_pane = new JPanel();
123 button_pane.setComponentOrientation(Dictionary.getOrientation());
124 delete_button = new GLIButton(Dictionary.get("GEMS.DeleteMetadataSetPrompt.Delete"), Dictionary.get("GEMS.DeleteMetadataSetPrompt.Delete_Tooltip"));
125 delete_button.setEnabled(false);
126
127
128 confirmation = new JCheckBox(Dictionary.get("GEMS.DeleteMetadataSetPrompt.Confirm_Delete"));
129 confirmation.setEnabled(false);
130 confirmation.setSelected(false);
131 confirmation.setComponentOrientation(Dictionary.getOrientation());
132
133 close_button = new GLIButton(Dictionary.get("General.Close"), Dictionary.get("General.Close_Tooltip"));
134 close_button.setEnabled(true);
135
136 confirmation.addActionListener(new ActionListener() {
137 public void actionPerformed(ActionEvent event) {
138 delete_button.setEnabled(confirmation.isSelected());
139 //confirmation.setEnabled(false);
140 //confirmation.setSelected(false);
141 }
142 });
143
144 // Add listeners
145 delete_button.addActionListener(new DeleteButtonListener());
146
147 close_button.addActionListener(new ActionListener() {
148 public void actionPerformed(ActionEvent event) {
149 self.dispose();
150 }
151 });
152
153
154 button_pane.setLayout(new GridLayout(1,2));
155 button_pane.add(delete_button);
156 button_pane.add(close_button);
157
158 JPanel bottom_pane = new JPanel();
159 bottom_pane.setComponentOrientation(Dictionary.getOrientation());
160 bottom_pane.setLayout(new BorderLayout());
161 bottom_pane.add(confirmation,BorderLayout.NORTH);
162 bottom_pane.add(button_pane, BorderLayout.CENTER);
163
164
165 content_pane.setLayout(new BorderLayout());
166 content_pane.add(set_pane, BorderLayout.NORTH);
167 content_pane.add(des_pane, BorderLayout.CENTER);
168 content_pane.add(bottom_pane, BorderLayout.SOUTH);
169
170 // Show
171 Dimension screen_size = Configuration.screen_size;
172 setLocation((screen_size.width - SIZE.width) / 2, (screen_size.height - SIZE.height) / 2);
173 setVisible(false);
174 }
175
176
177 public void display() {
178 available_metadata_sets = meta_manager.getAvailableMetadataSets();
179 for (int i=0; i<available_metadata_sets.size(); i++) {
180 list_model.addElement(available_metadata_sets.get(i));
181 }
182 //available_set_list.setListData(new Vector((Collection)available_metadata_sets));
183 delete_button.setEnabled(false);
184 confirmation.setEnabled(false);
185 confirmation.setSelected(false);
186 setVisible(true);
187
188 }
189
190
191 /** The Delete button listener implementation. */
192 private class DeleteButtonListener
193 implements ActionListener {
194 /** Any implementation of ActionListener must include this method so we can be informed when the button is actioned.
195 * @param event An <strong>ActionEvent</strong> containing all the relevant information garnered from the event itself.
196 * @see org.greenstone.gatherer.Configuration
197 * @see org.greenstone.gatherer.Gatherer
198 * @see org.greenstone.gatherer.util.Utility
199 */
200 public void actionPerformed(ActionEvent event) {
201 // Delete the selected MetadataSet.
202 Object selectedValue = available_set_list.getSelectedValue();
203
204 if (selectedValue !=null && (selectedValue instanceof MetadataSetInfo)){
205 ((MetadataSetInfo)selectedValue).deleteMetadataSet();
206 list_model.removeElement(selectedValue);
207 }
208 delete_button.setEnabled(false);
209 confirmation.setEnabled(false);
210 confirmation.setSelected(false);
211 description_textarea.setText(Dictionary.get("GEMS.DeleteMetadataSetPrompt.No_Set"));
212 //self.dispose();
213 }
214
215 }
216
217
218 private class MetadatSetListCellRenderer extends JLabel implements ListCellRenderer {
219 public MetadatSetListCellRenderer() {
220 setOpaque(true);
221 this.setComponentOrientation(Dictionary.getOrientation());
222 }
223
224 public Component getListCellRendererComponent(JList list,
225 Object value,
226 int index,
227 boolean isSelected,
228 boolean cellHasFocus)
229 {
230 String name= "unknown";
231
232 if (value instanceof MetadataSetInfo){
233 MetadataSetInfo meta_info = (MetadataSetInfo) value;
234 name = meta_info.getMetadataSetName();
235 }
236
237 setText(name);
238 if (isSelected) {
239 setBackground(list.getSelectionBackground());
240 setForeground(list.getSelectionForeground());
241 }
242 else {
243 setBackground(list.getBackground());
244 setForeground(list.getForeground());
245 }
246
247 return this;
248 }
249 }
250
251
252 private class MetadataSetListSelectionListener implements ListSelectionListener {
253 public void valueChanged(ListSelectionEvent lse){
254 if (lse.getValueIsAdjusting()) return;
255
256 delete_button.setEnabled(false);
257
258 Object selectedValue = available_set_list.getSelectedValue();
259
260 if (selectedValue !=null && (selectedValue instanceof MetadataSetInfo)){
261 MetadataSetInfo meta_info = (MetadataSetInfo)selectedValue;
262 description_textarea.setText(meta_info.getMetadataSetDescription());
263 confirmation.setEnabled(true);
264 confirmation.setSelected(false);
265 }
266 else {
267 confirmation.setEnabled(false);
268 description_textarea.setText(Dictionary.get("GEMS.DeleteMetadataSetPrompt.No_Set"));
269 }
270
271 }
272 }
273
274
275
276 public void addMetadataSetListener(MetadataSetListener msl){
277 listeners.add(msl);
278 }
279
280
281}
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