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: Katherine Don, 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 |
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43 | import org.greenstone.gatherer.Configuration;
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44 | import org.greenstone.gatherer.Dictionary;
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45 | import org.greenstone.gatherer.gui.GLIButton;
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46 | import org.greenstone.gatherer.gui.ModalDialog;
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47 |
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48 | public class NewMetadataElementNamePrompt
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49 | extends ModalDialog {
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50 | private Dimension SIZE = new Dimension(350, 120);
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51 |
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52 | private boolean cancelled = false;
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53 | private String element_name = null;
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54 | private JTextField name_textfield = null;
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55 | private JDialog prompt;
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56 | private Object model;
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57 | public NewMetadataElementNamePrompt(Frame parent, boolean subelement, Object model) {
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58 | super(parent, true);
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59 | setSize(SIZE);
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60 | prompt = this;
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61 | this.model = model;
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62 | JPanel content_pane = (JPanel) getContentPane();
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63 | content_pane.setOpaque(true);
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64 | content_pane.setComponentOrientation(Dictionary.getOrientation());
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65 |
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66 | JLabel name_label = new JLabel();
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67 | name_label.setComponentOrientation(Dictionary.getOrientation());
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68 | if (subelement) {
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69 | setTitle(Dictionary.get("GEMS.NewMetadataElementNamePrompt.SubTitle"));
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70 | name_label.setText(Dictionary.get("GEMS.NewMetadataElementNamePrompt.SubName"));
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71 | } else {
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72 | setTitle(Dictionary.get("GEMS.NewMetadataElementNamePrompt.Title"));
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73 | name_label.setText(Dictionary.get("GEMS.NewMetadataElementNamePrompt.Name"));
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74 | }
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75 |
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76 | name_textfield = new JTextField();
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77 | name_textfield.setComponentOrientation(Dictionary.getOrientation());
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78 | name_textfield.addKeyListener(new KeyAdapter() {
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79 | public void keyPressed(KeyEvent e) {
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80 | if (e.getKeyCode() == KeyEvent.VK_ENTER) {
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81 | //same as clicking OK button
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82 | validateElementName();
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83 | }
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84 | }
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85 | });
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86 |
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87 | JPanel details_pane = new JPanel();
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88 | details_pane.setComponentOrientation(Dictionary.getOrientation());
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89 | details_pane.setLayout(new GridLayout(2,1));
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90 | details_pane.add(name_label);
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91 | details_pane.add(name_textfield);
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92 |
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93 | JPanel button_pane = new JPanel();
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94 | button_pane.setLayout(new GridLayout(1,2));
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95 | GLIButton ok_button = new GLIButton(Dictionary.get("General.OK"), Dictionary.get("General.OK_Tooltip"));
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96 | GLIButton cancel_button = new GLIButton(Dictionary.get("General.Cancel"), Dictionary.get("General.Cancel_Tooltip"));
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97 | button_pane.add(ok_button);
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98 | button_pane.add(cancel_button);
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99 |
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100 | // Add listeners
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101 | ok_button.addActionListener(new ActionListener() {
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102 | public void actionPerformed(ActionEvent event) {
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103 | validateElementName();
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104 | }
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105 | });
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106 | cancel_button.addActionListener(new ActionListener() {
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107 | public void actionPerformed(ActionEvent event) {
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108 | cancelled = true;
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109 | prompt.dispose();
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110 | }
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111 | });
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112 |
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113 | content_pane.setLayout(new BorderLayout(5,5));
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114 | content_pane.setBorder(BorderFactory.createEmptyBorder(5,5,5,5));
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115 | content_pane.add(details_pane, BorderLayout.CENTER);
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116 | content_pane.add(button_pane, BorderLayout.SOUTH);
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117 |
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118 | Dimension screen_size = Configuration.screen_size;
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119 | setLocation((screen_size.width - SIZE.width) / 2, (screen_size.height - SIZE.height) / 2);
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120 | setVisible(true);
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121 |
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122 | }
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123 |
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124 | public String getName() {
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125 | return element_name;
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126 | }
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127 |
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128 | public boolean isCancelled() {
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129 | return cancelled;
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130 | }
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131 |
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132 | private void validateElementName() {
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133 | String name = name_textfield.getText();
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134 | if (name.equals("")) {
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135 | JOptionPane.showMessageDialog(prompt,Dictionary.get("GEMS.NewMetadataElementNamePrompt.EmptyName_Error_Message"), Dictionary.get("GEMS.NewMetadataElementNamePrompt.Name_Error"), JOptionPane.ERROR_MESSAGE);
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136 | return;
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137 | }
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138 | boolean already_used = false;
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139 | if (model instanceof MetadataSetModel) {
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140 | already_used = ((MetadataSetModel)model).doesChildWithThisNameExist(name);
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141 | } else if (model instanceof MetadataElementModel) {
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142 | already_used = ((MetadataElementModel)model).doesChildWithThisNameExist(name);
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143 | }
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144 | if (!already_used) {
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145 | element_name = name;
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146 | prompt.dispose();
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147 | } else {
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148 | JOptionPane.showMessageDialog(prompt,Dictionary.get("GEMS.NewMetadataElementNamePrompt.Name_Error_Message"), Dictionary.get("GEMS.NewMetadataElementNamePrompt.Name_Error"), JOptionPane.ERROR_MESSAGE);
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149 | }
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150 | }
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151 | }
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