source: gli/trunk/src/org/greenstone/gatherer/gems/OpenMetadataSetPrompt.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: 9.4 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.HashMap;
45import java.util.Collection;
46import java.util.Vector;
47import java.io.File;
48
49
50import org.greenstone.gatherer.Configuration;
51import org.greenstone.gatherer.Dictionary;
52import org.greenstone.gatherer.gui.ModalDialog;
53import org.greenstone.gatherer.gui.GLIButton;
54
55public class OpenMetadataSetPrompt
56 extends ModalDialog {
57
58 static private Dimension SIZE = new Dimension(500, 500);
59
60 private ArrayList available_metadata_sets;
61 private ArrayList listeners;
62
63 private JButton open_button = null;
64 private JButton cancel_button = null;
65 private JButton browse_button = null;
66 private JList available_set_list = null;
67 private OpenMetadataSetPrompt self;
68 private MetadataSetManager meta_manager;
69 private JTextArea description_textarea = null;
70
71 private boolean cancelled = false;
72
73 public OpenMetadataSetPrompt(Frame parent,MetadataSetManager msm) {
74 super(parent, true);
75
76 self = this;
77 meta_manager = msm;
78 setSize(SIZE);
79 setTitle(Dictionary.get("GEMS.OpenMetadataSetPrompt.Title"));
80 listeners = new ArrayList();
81
82 JPanel content_pane = (JPanel) getContentPane();
83 content_pane.setOpaque(true);
84 content_pane.setComponentOrientation(Dictionary.getOrientation());
85
86 JLabel available_metadata_sets_label = new JLabel(Dictionary.get("GEMS.OpenMetadataSetPrompt.Available_Sets"));
87 available_metadata_sets_label.setOpaque(true);
88 available_metadata_sets_label.setComponentOrientation(Dictionary.getOrientation());
89
90 available_set_list = new JList();
91 available_set_list.setCellRenderer(new MetadatSetListCellRenderer());
92 available_set_list.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
93 available_set_list.setFixedCellHeight(20);
94 available_set_list.addListSelectionListener(new MetadataSetListSelectionListener());
95 available_set_list.setComponentOrientation(Dictionary.getOrientation());
96
97 JPanel set_pane = new JPanel();
98 set_pane.setComponentOrientation(Dictionary.getOrientation());
99 set_pane.setLayout(new BorderLayout());
100 set_pane.add(available_metadata_sets_label,BorderLayout.NORTH);
101 set_pane.add(new JScrollPane(available_set_list),BorderLayout.CENTER);
102
103 JLabel metadata_set_des_label = new JLabel(Dictionary.get("GEMS.Set_Description"));
104 metadata_set_des_label.setOpaque(true);
105 metadata_set_des_label.setComponentOrientation(Dictionary.getOrientation());
106
107 description_textarea = new JTextArea();
108 description_textarea.setOpaque(true);
109 description_textarea.setEditable(false);
110 description_textarea.setLineWrap(true);
111 description_textarea.setWrapStyleWord(true);
112 description_textarea.setComponentOrientation(Dictionary.getOrientation());
113
114 JPanel des_pane = new JPanel();
115 des_pane.setLayout(new BorderLayout());
116 des_pane.add(metadata_set_des_label,BorderLayout.NORTH);
117 des_pane.add(new JScrollPane(description_textarea),BorderLayout.CENTER);
118 des_pane.setComponentOrientation(Dictionary.getOrientation());
119
120 JPanel button_pane = new JPanel();
121 button_pane.setComponentOrientation(Dictionary.getOrientation());
122
123 open_button = new GLIButton(Dictionary.get("GEMS.OpenMetadataSetPrompt.Open"), Dictionary.get("GEMS.OpenMetadataSetPrompt.Open_Tooltip"));
124 open_button.setEnabled(true);
125
126 browse_button = new GLIButton(Dictionary.get("General.Browse"));
127 browse_button.setEnabled(true);
128
129 cancel_button = new GLIButton(Dictionary.get("General.Cancel"), Dictionary.get("General.Cancel_Tooltip"));
130 cancel_button.setEnabled(true);
131
132
133 // Add listeners
134 open_button.addActionListener(new ActionListener() {
135 public void actionPerformed(ActionEvent event) {
136 notifyListeners();
137 self.dispose();
138 }
139 });
140
141 browse_button.addActionListener(new ActionListener() {
142 public void actionPerformed(ActionEvent event) {
143 String collect_dir = meta_manager.getCollectionPath();
144 JFileChooser file_chooser = new JFileChooser(new File(collect_dir));
145 file_chooser.setMultiSelectionEnabled(false);
146 int result = file_chooser.showOpenDialog(null);
147 if (result == JFileChooser.APPROVE_OPTION){
148 String file_path = file_chooser.getSelectedFile().toString();
149 MetadataSetInfo meta_info = meta_manager.getMetadataSet(file_path);
150 meta_info.setNew(false);
151 MetadataSetEvent mse = new MetadataSetEvent(meta_info);
152 for(int i=0;i<listeners.size();i++){
153 MetadataSetListener msl = (MetadataSetListener)listeners.get(i);
154 msl.metadataSetChanged(mse);
155 }
156
157 }
158 notifyListeners();
159 self.dispose();
160 }
161 });
162
163
164
165 cancel_button.addActionListener(new ActionListener() {
166 public void actionPerformed(ActionEvent event) {
167 cancelled = true;
168 self.dispose();
169 }
170 });
171
172
173 button_pane.setLayout(new GridLayout(1,3));
174 button_pane.add(open_button);
175 button_pane.add(browse_button);
176 button_pane.add(cancel_button);
177
178
179 content_pane.setLayout(new BorderLayout());
180 content_pane.add(set_pane, BorderLayout.NORTH);
181 content_pane.add(des_pane, BorderLayout.CENTER);
182 content_pane.add(button_pane, BorderLayout.SOUTH);
183
184 // Show
185 Dimension screen_size = Configuration.screen_size;
186 setLocation((screen_size.width - SIZE.width) / 2, (screen_size.height - SIZE.height) / 2);
187 setVisible(false);
188
189 }
190
191
192 public void display(){
193 cancelled = false;
194 available_metadata_sets = meta_manager.getAvailableMetadataSets();
195 available_set_list.setListData(new Vector((Collection)available_metadata_sets));
196 setVisible(true);
197 }
198
199 public void addMetadataSetListener(MetadataSetListener msl){
200 listeners.add(msl);
201
202 }
203
204 public boolean isCancelled() {
205 return cancelled;
206 }
207
208 private void notifyListeners(){
209 Object selectedValue = available_set_list.getSelectedValue();
210
211 if (selectedValue !=null && (selectedValue instanceof MetadataSetInfo)){
212 MetadataSetEvent mse = new MetadataSetEvent((MetadataSetInfo)selectedValue);
213 for(int i=0;i<listeners.size();i++){
214 MetadataSetListener msl = (MetadataSetListener)listeners.get(i);
215 msl.metadataSetChanged(mse);
216 }
217 }
218 }
219
220 public void openMetadataSet(String metadata_path){
221 MetadataSetInfo set_info = meta_manager.getMetadataSet(metadata_path);
222 notifyListeners(set_info);
223 }
224
225 private void notifyListeners(MetadataSetInfo set_info){
226 MetadataSetEvent mse = new MetadataSetEvent(set_info);
227 for(int i=0;i<listeners.size();i++){
228 MetadataSetListener msl = (MetadataSetListener)listeners.get(i);
229 msl.metadataSetChanged(mse);
230 }
231 }
232
233 private class MetadatSetListCellRenderer extends JLabel implements ListCellRenderer {
234 public MetadatSetListCellRenderer() {
235 setOpaque(true);
236 }
237
238 public Component getListCellRendererComponent(
239 JList list,
240 Object value,
241 int index,
242 boolean isSelected,
243 boolean cellHasFocus)
244 {
245 String name= "unknown";
246
247 if (value instanceof MetadataSetInfo){
248 MetadataSetInfo meta_info = (MetadataSetInfo) value;
249 name = meta_info.getMetadataSetName(); //get the name of metadata set
250 }
251
252 setText(name);
253 if (isSelected) {
254 setBackground(list.getSelectionBackground());
255 setForeground(list.getSelectionForeground());
256 }
257 else {
258 setBackground(list.getBackground());
259 setForeground(list.getForeground());
260 }
261
262 return this;
263 }
264 }
265
266
267 private class MetadataSetListSelectionListener implements ListSelectionListener {
268 public void valueChanged(ListSelectionEvent lse){
269 if (lse.getValueIsAdjusting()) return;
270
271 Object selectedValue = available_set_list.getSelectedValue();
272
273 if (selectedValue !=null && (selectedValue instanceof MetadataSetInfo)){
274 MetadataSetInfo meta_info = (MetadataSetInfo)selectedValue;
275 String des = meta_info.getMetadataSetDescription(); //get the description of the metadata set
276 description_textarea.setText(des);
277 }
278
279 }
280 }
281
282
283}
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