[12564] | 1 | /**
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| 2 | *#########################################################################
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| 3 | *
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| 4 | * A component of the Gatherer application, part of the Greenstone digital
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| 5 | * library suite from the New Zealand Digital Library Project at the
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| 6 | * University of Waikato, New Zealand.
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| 7 | *
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| 8 | * <BR><BR>
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| 9 | *
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| 10 | * Author: Shaoqun Wu, Greenstone Digital Library, University of Waikato
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| 11 | *
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| 12 | * <BR><BR>
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| 13 | *
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| 14 | * Copyright (C) 2006 New Zealand Digital Library Project
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| 15 | *
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| 16 | * <BR><BR>
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| 17 | *
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| 18 | * This program is free software; you can redistribute it and/or modify
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| 19 | * it under the terms of the GNU General Public License as published by
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| 20 | * the Free Software Foundation; either version 2 of the License, or
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| 21 | * (at your option) any later version.
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| 22 | *
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| 23 | * <BR><BR>
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| 24 | *
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| 25 | * This program is distributed in the hope that it will be useful,
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| 26 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 27 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 28 | * GNU General Public License for more details.
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| 29 | *
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| 30 | * <BR><BR>
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| 31 | *
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| 32 | * You should have received a copy of the GNU General Public License
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| 33 | * along with this program; if not, write to the Free Software
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| 34 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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| 35 | *########################################################################
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| 36 | */
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| 37 | package org.greenstone.gatherer.gems;
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| 38 |
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| 39 | import java.awt.*;
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| 40 | import java.awt.event.*;
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| 41 | import javax.swing.*;
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| 42 | import javax.swing.event.*;
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| 43 | import java.util.ArrayList;
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| 44 | import java.util.HashMap;
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| 45 | import java.util.Collection;
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| 46 | import java.util.Vector;
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| 47 | import java.io.File;
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| 48 |
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| 49 |
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| 50 | import org.greenstone.gatherer.Configuration;
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| 51 | import org.greenstone.gatherer.Dictionary;
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| 52 | import org.greenstone.gatherer.gui.ModalDialog;
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| 53 | import org.greenstone.gatherer.gui.GLIButton;
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| 54 |
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| 55 | public class OpenMetadataSetPrompt
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[12680] | 56 | extends ModalDialog {
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[12564] | 57 |
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| 58 | static private Dimension SIZE = new Dimension(500, 500);
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| 59 |
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| 60 | private ArrayList available_metadata_sets;
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| 61 | private ArrayList listeners;
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| 62 |
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| 63 | private JButton open_button = null;
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[12661] | 64 | private JButton cancel_button = null;
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[12564] | 65 | private JButton browse_button = null;
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| 66 | private JList available_set_list = null;
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| 67 | private OpenMetadataSetPrompt self;
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| 68 | private MetadataSetManager meta_manager;
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| 69 | private JTextArea description_textarea = null;
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| 70 |
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[12680] | 71 | private boolean cancelled = false;
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| 72 |
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[12564] | 73 | public OpenMetadataSetPrompt(Frame parent,MetadataSetManager msm) {
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| 74 | super(parent, true);
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| 75 |
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| 76 | self = this;
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| 77 | meta_manager = msm;
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| 78 | setSize(SIZE);
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| 79 | setTitle(Dictionary.get("GEMS.OpenMetadataSetPrompt.Title"));
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| 80 | listeners = new ArrayList();
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| 81 |
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| 82 | JPanel content_pane = (JPanel) getContentPane();
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| 83 | content_pane.setOpaque(true);
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| 84 |
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| 85 | JLabel available_metadata_sets_label = new JLabel(Dictionary.get("GEMS.OpenMetadataSetPrompt.Available_Sets"));
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| 86 | available_metadata_sets_label.setOpaque(true);
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| 87 |
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| 88 | available_set_list = new JList();
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| 89 | available_set_list.setCellRenderer(new MetadatSetListCellRenderer());
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| 90 | available_set_list.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
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| 91 | available_set_list.setFixedCellHeight(20);
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| 92 | available_set_list.addListSelectionListener(new MetadataSetListSelectionListener());
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| 93 |
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| 94 | JPanel set_pane = new JPanel();
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| 95 | set_pane.setLayout(new BorderLayout());
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| 96 | set_pane.add(available_metadata_sets_label,BorderLayout.NORTH);
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| 97 | set_pane.add(new JScrollPane(available_set_list),BorderLayout.CENTER);
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| 98 |
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| 99 |
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| 100 | JLabel metadata_set_des_label = new JLabel(Dictionary.get("GEMS.Set_Description"));
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| 101 | metadata_set_des_label.setOpaque(true);
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| 102 |
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| 103 | description_textarea = new JTextArea();
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| 104 | description_textarea.setOpaque(true);
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| 105 | description_textarea.setEditable(false);
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| 106 | description_textarea.setLineWrap(true);
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| 107 | description_textarea.setWrapStyleWord(true);
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| 108 |
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| 109 | JPanel des_pane = new JPanel();
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| 110 | des_pane.setLayout(new BorderLayout());
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| 111 | des_pane.add(metadata_set_des_label,BorderLayout.NORTH);
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| 112 | des_pane.add(new JScrollPane(description_textarea),BorderLayout.CENTER);
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| 113 |
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| 114 | JPanel button_pane = new JPanel();
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| 115 | open_button = new GLIButton(Dictionary.get("GEMS.OpenMetadataSetPrompt.Open"), Dictionary.get("GEMS.OpenMetadataSetPrompt.Open_Tooltip"));
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| 116 | open_button.setEnabled(true);
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| 117 |
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| 118 | browse_button = new GLIButton(Dictionary.get("General.Browse"));
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| 119 | browse_button.setEnabled(true);
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| 120 |
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[12661] | 121 | cancel_button = new GLIButton(Dictionary.get("General.Cancel"), Dictionary.get("General.Cancel_Tooltip"));
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| 122 | cancel_button.setEnabled(true);
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[12564] | 123 |
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| 124 |
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| 125 | // Add listeners
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| 126 | open_button.addActionListener(new ActionListener() {
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| 127 | public void actionPerformed(ActionEvent event) {
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| 128 | notifyListeners();
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| 129 | self.dispose();
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| 130 | }
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| 131 | });
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| 132 |
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| 133 | browse_button.addActionListener(new ActionListener() {
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| 134 | public void actionPerformed(ActionEvent event) {
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| 135 | String collect_dir = meta_manager.getCollectionPath();
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| 136 | JFileChooser file_chooser = new JFileChooser(new File(collect_dir));
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| 137 | file_chooser.setMultiSelectionEnabled(false);
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| 138 | int result = file_chooser.showOpenDialog(null);
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| 139 | if (result == JFileChooser.APPROVE_OPTION){
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| 140 | String file_path = file_chooser.getSelectedFile().toString();
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| 141 | MetadataSetInfo meta_info = meta_manager.getMetadataSet(file_path);
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| 142 | meta_info.setNew(false);
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| 143 | MetadataSetEvent mse = new MetadataSetEvent(meta_info);
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| 144 | for(int i=0;i<listeners.size();i++){
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| 145 | MetadataSetListener msl = (MetadataSetListener)listeners.get(i);
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| 146 | msl.metadataSetChanged(mse);
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| 147 | }
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| 148 |
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| 149 | }
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| 150 | notifyListeners();
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| 151 | self.dispose();
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| 152 | }
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| 153 | });
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| 154 |
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| 155 |
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| 156 |
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[12661] | 157 | cancel_button.addActionListener(new ActionListener() {
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[12564] | 158 | public void actionPerformed(ActionEvent event) {
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[12680] | 159 | cancelled = true;
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[12564] | 160 | self.dispose();
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| 161 | }
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| 162 | });
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| 163 |
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| 164 |
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| 165 | button_pane.setLayout(new GridLayout(1,3));
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| 166 | button_pane.add(open_button);
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| 167 | button_pane.add(browse_button);
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[12661] | 168 | button_pane.add(cancel_button);
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[12564] | 169 |
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| 170 |
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| 171 | content_pane.setLayout(new BorderLayout());
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| 172 | content_pane.add(set_pane, BorderLayout.NORTH);
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| 173 | content_pane.add(des_pane, BorderLayout.CENTER);
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| 174 | content_pane.add(button_pane, BorderLayout.SOUTH);
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| 175 |
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| 176 | // Show
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| 177 | Dimension screen_size = Configuration.screen_size;
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| 178 | setLocation((screen_size.width - SIZE.width) / 2, (screen_size.height - SIZE.height) / 2);
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| 179 | setVisible(false);
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| 180 |
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| 181 | }
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| 182 |
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| 183 |
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| 184 | public void display(){
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[12680] | 185 | cancelled = false;
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| 186 | available_metadata_sets = meta_manager.getAvailableMetadataSets();
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[12564] | 187 | available_set_list.setListData(new Vector((Collection)available_metadata_sets));
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| 188 | setVisible(true);
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| 189 | }
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| 190 |
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| 191 | public void addMetadataSetListener(MetadataSetListener msl){
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| 192 | listeners.add(msl);
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| 193 |
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| 194 | }
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| 195 |
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[12680] | 196 | public boolean isCancelled() {
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| 197 | return cancelled;
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| 198 | }
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| 199 |
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[12564] | 200 | private void notifyListeners(){
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| 201 | Object selectedValue = available_set_list.getSelectedValue();
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| 202 |
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| 203 | if (selectedValue !=null && (selectedValue instanceof MetadataSetInfo)){
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| 204 | MetadataSetEvent mse = new MetadataSetEvent((MetadataSetInfo)selectedValue);
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| 205 | for(int i=0;i<listeners.size();i++){
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| 206 | MetadataSetListener msl = (MetadataSetListener)listeners.get(i);
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| 207 | msl.metadataSetChanged(mse);
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| 208 | }
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| 209 | }
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| 210 | }
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| 211 |
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| 212 | public void openMetadataSet(String metadata_path){
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| 213 | MetadataSetInfo set_info = meta_manager.getMetadataSet(metadata_path);
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| 214 | notifyListeners(set_info);
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| 215 | }
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| 216 |
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| 217 | private void notifyListeners(MetadataSetInfo set_info){
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| 218 | MetadataSetEvent mse = new MetadataSetEvent(set_info);
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| 219 | for(int i=0;i<listeners.size();i++){
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| 220 | MetadataSetListener msl = (MetadataSetListener)listeners.get(i);
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| 221 | msl.metadataSetChanged(mse);
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| 222 | }
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| 223 | }
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| 224 |
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| 225 | private class MetadatSetListCellRenderer extends JLabel implements ListCellRenderer {
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| 226 | public MetadatSetListCellRenderer() {
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| 227 | setOpaque(true);
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| 228 | }
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| 229 |
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| 230 | public Component getListCellRendererComponent(
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| 231 | JList list,
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| 232 | Object value,
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| 233 | int index,
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| 234 | boolean isSelected,
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| 235 | boolean cellHasFocus)
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| 236 | {
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| 237 | String name= "unknown";
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| 238 |
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| 239 | if (value instanceof MetadataSetInfo){
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| 240 | MetadataSetInfo meta_info = (MetadataSetInfo) value;
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| 241 | name = meta_info.getMetadataSetName(); //get the name of metadata set
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| 242 | }
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| 243 |
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| 244 | setText(name);
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| 245 | if (isSelected) {
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| 246 | setBackground(list.getSelectionBackground());
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| 247 | setForeground(list.getSelectionForeground());
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| 248 | }
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| 249 | else {
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| 250 | setBackground(list.getBackground());
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| 251 | setForeground(list.getForeground());
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| 252 | }
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| 253 |
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| 254 | return this;
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| 255 | }
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| 256 | }
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| 257 |
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| 258 |
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| 259 | private class MetadataSetListSelectionListener implements ListSelectionListener {
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| 260 | public void valueChanged(ListSelectionEvent lse){
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| 261 | if (lse.getValueIsAdjusting()) return;
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| 262 |
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| 263 | Object selectedValue = available_set_list.getSelectedValue();
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| 264 |
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| 265 | if (selectedValue !=null && (selectedValue instanceof MetadataSetInfo)){
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| 266 | MetadataSetInfo meta_info = (MetadataSetInfo)selectedValue;
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| 267 | String des = meta_info.getMetadataSetDescription(); //get the description of the metadata set
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| 268 | description_textarea.setText(des);
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| 269 | }
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| 270 |
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| 271 | }
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| 272 | }
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| 273 |
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| 274 |
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| 275 | }
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