1 | /* |
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2 | * This program is free software; you can redistribute it and/or modify |
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3 | * it under the terms of the GNU General Public License as published by |
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4 | * the Free Software Foundation; either version 2 of the License, or |
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5 | * (at your option) any later version. |
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6 | * |
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7 | * This program is distributed in the hope that it will be useful, |
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8 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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9 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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10 | * GNU General Public License for more details. |
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11 | * |
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12 | * You should have received a copy of the GNU General Public License |
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13 | * along with this program; if not, write to the Free Software |
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14 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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15 | */ |
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16 | |
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17 | /* |
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18 | * ArffViewerMainPanel.java |
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19 | * Copyright (C) 2005 University of Waikato, Hamilton, New Zealand |
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20 | * |
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21 | */ |
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22 | |
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23 | package weka.gui.arffviewer; |
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24 | |
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25 | import weka.core.Capabilities; |
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26 | import weka.core.Instances; |
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27 | import weka.core.converters.AbstractSaver; |
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28 | import weka.gui.ComponentHelper; |
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29 | import weka.gui.ConverterFileChooser; |
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30 | import weka.gui.JTableHelper; |
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31 | import weka.gui.ListSelectorDialog; |
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32 | |
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33 | import java.awt.BorderLayout; |
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34 | import java.awt.Container; |
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35 | import java.awt.Cursor; |
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36 | import java.awt.Window; |
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37 | import java.awt.event.ActionEvent; |
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38 | import java.awt.event.ActionListener; |
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39 | import java.awt.event.KeyEvent; |
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40 | import java.awt.event.WindowEvent; |
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41 | import java.io.File; |
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42 | import java.util.Collections; |
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43 | import java.util.HashSet; |
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44 | import java.util.Iterator; |
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45 | import java.util.Vector; |
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46 | |
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47 | import javax.swing.JComponent; |
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48 | import javax.swing.JFrame; |
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49 | import javax.swing.JInternalFrame; |
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50 | import javax.swing.JList; |
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51 | import javax.swing.JMenu; |
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52 | import javax.swing.JMenuBar; |
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53 | import javax.swing.JMenuItem; |
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54 | import javax.swing.JOptionPane; |
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55 | import javax.swing.JPanel; |
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56 | import javax.swing.JTabbedPane; |
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57 | import javax.swing.KeyStroke; |
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58 | import javax.swing.event.ChangeEvent; |
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59 | import javax.swing.event.ChangeListener; |
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60 | |
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61 | /** |
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62 | * The main panel of the ArffViewer. It has a reference to the menu, that an |
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63 | * implementing JFrame only needs to add via the setJMenuBar(JMenuBar) method. |
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64 | * |
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65 | * |
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66 | * @author FracPete (fracpete at waikato dot ac dot nz) |
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67 | * @version $Revision: 1.7 $ |
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68 | */ |
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69 | |
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70 | public class ArffViewerMainPanel |
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71 | extends JPanel |
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72 | implements ActionListener, ChangeListener { |
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73 | |
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74 | /** for serialization */ |
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75 | static final long serialVersionUID = -8763161167586738753L; |
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76 | |
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77 | /** the default for width */ |
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78 | public final static int DEFAULT_WIDTH = -1; |
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79 | /** the default for height */ |
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80 | public final static int DEFAULT_HEIGHT = -1; |
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81 | /** the default for left */ |
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82 | public final static int DEFAULT_LEFT = -1; |
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83 | /** the default for top */ |
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84 | public final static int DEFAULT_TOP = -1; |
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85 | /** default width */ |
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86 | public final static int WIDTH = 800; |
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87 | /** default height */ |
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88 | public final static int HEIGHT = 600; |
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89 | |
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90 | protected Container parent; |
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91 | protected JTabbedPane tabbedPane; |
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92 | protected JMenuBar menuBar; |
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93 | protected JMenu menuFile; |
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94 | protected JMenuItem menuFileOpen; |
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95 | protected JMenuItem menuFileSave; |
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96 | protected JMenuItem menuFileSaveAs; |
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97 | protected JMenuItem menuFileClose; |
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98 | protected JMenuItem menuFileCloseAll; |
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99 | protected JMenuItem menuFileProperties; |
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100 | protected JMenuItem menuFileExit; |
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101 | protected JMenu menuEdit; |
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102 | protected JMenuItem menuEditUndo; |
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103 | protected JMenuItem menuEditCopy; |
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104 | protected JMenuItem menuEditSearch; |
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105 | protected JMenuItem menuEditClearSearch; |
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106 | protected JMenuItem menuEditDeleteAttribute; |
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107 | protected JMenuItem menuEditDeleteAttributes; |
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108 | protected JMenuItem menuEditRenameAttribute; |
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109 | protected JMenuItem menuEditAttributeAsClass; |
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110 | protected JMenuItem menuEditDeleteInstance; |
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111 | protected JMenuItem menuEditDeleteInstances; |
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112 | protected JMenuItem menuEditSortInstances; |
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113 | protected JMenu menuView; |
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114 | protected JMenuItem menuViewAttributes; |
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115 | protected JMenuItem menuViewValues; |
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116 | protected JMenuItem menuViewOptimalColWidths; |
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117 | |
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118 | protected ConverterFileChooser fileChooser; |
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119 | protected String frameTitle; |
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120 | protected boolean confirmExit; |
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121 | protected int width; |
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122 | protected int height; |
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123 | protected int top; |
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124 | protected int left; |
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125 | protected boolean exitOnClose; |
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126 | |
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127 | /** |
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128 | * initializes the object |
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129 | * |
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130 | * @param parentFrame the parent frame (JFrame or JInternalFrame) |
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131 | */ |
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132 | public ArffViewerMainPanel(Container parentFrame) { |
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133 | parent = parentFrame; |
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134 | frameTitle = "ARFF-Viewer"; |
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135 | createPanel(); |
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136 | } |
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137 | |
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138 | /** |
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139 | * creates all the components in the panel |
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140 | */ |
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141 | protected void createPanel() { |
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142 | // basic setup |
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143 | setSize(WIDTH, HEIGHT); |
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144 | |
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145 | setConfirmExit(false); |
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146 | setLayout(new BorderLayout()); |
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147 | |
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148 | // file dialog |
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149 | fileChooser = new ConverterFileChooser(new File(System.getProperty("user.dir"))); |
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150 | fileChooser.setMultiSelectionEnabled(true); |
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151 | |
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152 | // menu |
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153 | menuBar = new JMenuBar(); |
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154 | menuFile = new JMenu("File"); |
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155 | menuFileOpen = new JMenuItem("Open...", ComponentHelper.getImageIcon("open.gif")); |
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156 | menuFileOpen.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_O, KeyEvent.CTRL_MASK)); |
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157 | menuFileOpen.addActionListener(this); |
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158 | menuFileSave = new JMenuItem("Save", ComponentHelper.getImageIcon("save.gif")); |
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159 | menuFileSave.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_S, KeyEvent.CTRL_MASK)); |
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160 | menuFileSave.addActionListener(this); |
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161 | menuFileSaveAs = new JMenuItem("Save as...", ComponentHelper.getImageIcon("empty.gif")); |
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162 | menuFileSaveAs.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_S, KeyEvent.CTRL_MASK + KeyEvent.SHIFT_MASK)); |
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163 | menuFileSaveAs.addActionListener(this); |
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164 | menuFileClose = new JMenuItem("Close", ComponentHelper.getImageIcon("empty.gif")); |
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165 | menuFileClose.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_W, KeyEvent.CTRL_MASK)); |
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166 | menuFileClose.addActionListener(this); |
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167 | menuFileCloseAll = new JMenuItem("Close all", ComponentHelper.getImageIcon("empty.gif")); |
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168 | menuFileCloseAll.addActionListener(this); |
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169 | menuFileProperties = new JMenuItem("Properties", ComponentHelper.getImageIcon("empty.gif")); |
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170 | menuFileProperties.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_ENTER, KeyEvent.CTRL_MASK)); |
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171 | menuFileProperties.addActionListener(this); |
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172 | menuFileExit = new JMenuItem("Exit", ComponentHelper.getImageIcon("forward.gif")); |
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173 | menuFileExit.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_X, KeyEvent.ALT_MASK)); |
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174 | menuFileExit.addActionListener(this); |
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175 | menuFile.add(menuFileOpen); |
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176 | menuFile.add(menuFileSave); |
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177 | menuFile.add(menuFileSaveAs); |
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178 | menuFile.add(menuFileClose); |
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179 | menuFile.add(menuFileCloseAll); |
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180 | menuFile.addSeparator(); |
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181 | menuFile.add(menuFileProperties); |
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182 | menuFile.addSeparator(); |
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183 | menuFile.add(menuFileExit); |
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184 | menuBar.add(menuFile); |
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185 | |
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186 | menuEdit = new JMenu("Edit"); |
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187 | menuEditUndo = new JMenuItem("Undo", ComponentHelper.getImageIcon("undo.gif")); |
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188 | menuEditUndo.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_Z, KeyEvent.CTRL_MASK)); |
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189 | menuEditUndo.addActionListener(this); |
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190 | menuEditCopy = new JMenuItem("Copy", ComponentHelper.getImageIcon("copy.gif")); |
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191 | menuEditCopy.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_INSERT, KeyEvent.CTRL_MASK)); |
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192 | menuEditCopy.addActionListener(this); |
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193 | menuEditSearch = new JMenuItem("Search...", ComponentHelper.getImageIcon("find.gif")); |
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194 | menuEditSearch.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_F, KeyEvent.CTRL_MASK)); |
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195 | menuEditSearch.addActionListener(this); |
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196 | menuEditClearSearch = new JMenuItem("Clear search", ComponentHelper.getImageIcon("empty.gif")); |
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197 | menuEditClearSearch.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_F, KeyEvent.CTRL_MASK + KeyEvent.SHIFT_MASK)); |
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198 | menuEditClearSearch.addActionListener(this); |
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199 | menuEditRenameAttribute = new JMenuItem("Rename attribute", ComponentHelper.getImageIcon("empty.gif")); |
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200 | menuEditRenameAttribute.addActionListener(this); |
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201 | menuEditAttributeAsClass = new JMenuItem("Attribute as class", ComponentHelper.getImageIcon("empty.gif")); |
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202 | menuEditAttributeAsClass.addActionListener(this); |
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203 | menuEditDeleteAttribute = new JMenuItem("Delete attribute", ComponentHelper.getImageIcon("empty.gif")); |
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204 | menuEditDeleteAttribute.addActionListener(this); |
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205 | menuEditDeleteAttributes = new JMenuItem("Delete attributes", ComponentHelper.getImageIcon("empty.gif")); |
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206 | menuEditDeleteAttributes.addActionListener(this); |
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207 | menuEditDeleteInstance = new JMenuItem("Delete instance", ComponentHelper.getImageIcon("empty.gif")); |
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208 | menuEditDeleteInstance.addActionListener(this); |
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209 | menuEditDeleteInstances = new JMenuItem("Delete instances", ComponentHelper.getImageIcon("empty.gif")); |
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210 | menuEditDeleteInstances.addActionListener(this); |
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211 | menuEditSortInstances = new JMenuItem("Sort data (ascending)", ComponentHelper.getImageIcon("sort.gif")); |
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212 | menuEditSortInstances.addActionListener(this); |
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213 | menuEdit.add(menuEditUndo); |
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214 | menuEdit.addSeparator(); |
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215 | menuEdit.add(menuEditCopy); |
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216 | menuEdit.addSeparator(); |
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217 | menuEdit.add(menuEditSearch); |
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218 | menuEdit.add(menuEditClearSearch); |
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219 | menuEdit.addSeparator(); |
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220 | menuEdit.add(menuEditRenameAttribute); |
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221 | menuEdit.add(menuEditAttributeAsClass); |
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222 | menuEdit.add(menuEditDeleteAttribute); |
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223 | menuEdit.add(menuEditDeleteAttributes); |
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224 | menuEdit.addSeparator(); |
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225 | menuEdit.add(menuEditDeleteInstance); |
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226 | menuEdit.add(menuEditDeleteInstances); |
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227 | menuEdit.add(menuEditSortInstances); |
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228 | menuBar.add(menuEdit); |
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229 | |
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230 | menuView = new JMenu("View"); |
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231 | menuViewAttributes = new JMenuItem("Attributes...", ComponentHelper.getImageIcon("objects.gif")); |
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232 | menuViewAttributes.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_A, KeyEvent.CTRL_MASK + KeyEvent.SHIFT_MASK)); |
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233 | menuViewAttributes.addActionListener(this); |
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234 | menuViewValues = new JMenuItem("Values...", ComponentHelper.getImageIcon("properties.gif")); |
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235 | menuViewValues.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_V, KeyEvent.CTRL_MASK + KeyEvent.SHIFT_MASK)); |
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236 | menuViewValues.addActionListener(this); |
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237 | menuViewOptimalColWidths = new JMenuItem("Optimal column width (all)", ComponentHelper.getImageIcon("resize.gif")); |
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238 | menuViewOptimalColWidths.addActionListener(this); |
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239 | menuView.add(menuViewAttributes); |
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240 | menuView.add(menuViewValues); |
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241 | menuView.addSeparator(); |
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242 | menuView.add(menuViewOptimalColWidths); |
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243 | menuBar.add(menuView); |
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244 | |
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245 | // tabbed pane |
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246 | tabbedPane = new JTabbedPane(); |
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247 | tabbedPane.addChangeListener(this); |
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248 | add(tabbedPane, BorderLayout.CENTER); |
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249 | |
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250 | updateMenu(); |
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251 | updateFrameTitle(); |
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252 | } |
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253 | |
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254 | /** |
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255 | * returns the parent frame, if it's a JFrame, otherwise null |
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256 | * |
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257 | * @return the parent frame |
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258 | */ |
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259 | public JFrame getParentFrame() { |
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260 | if (parent instanceof JFrame) |
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261 | return (JFrame) parent; |
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262 | else |
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263 | return null; |
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264 | } |
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265 | |
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266 | /** |
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267 | * returns the parent frame, if it's a JInternalFrame, otherwise null |
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268 | * |
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269 | * @return the parent frame |
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270 | */ |
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271 | public JInternalFrame getParentInternalFrame() { |
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272 | if (parent instanceof JInternalFrame) |
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273 | return (JInternalFrame) parent; |
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274 | else |
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275 | return null; |
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276 | } |
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277 | |
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278 | /** |
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279 | * sets the new parent frame |
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280 | * |
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281 | * @param value the parent frame |
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282 | */ |
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283 | public void setParent(Container value) { |
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284 | parent = value; |
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285 | } |
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286 | |
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287 | /** |
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288 | * returns the menu bar to be added in a frame |
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289 | * |
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290 | * @return the menu bar |
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291 | */ |
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292 | public JMenuBar getMenu() { |
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293 | return menuBar; |
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294 | } |
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295 | |
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296 | /** |
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297 | * returns the tabbedpane instance |
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298 | * |
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299 | * @return the tabbed pane |
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300 | */ |
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301 | public JTabbedPane getTabbedPane() { |
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302 | return tabbedPane; |
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303 | } |
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304 | |
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305 | /** |
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306 | * whether to present a MessageBox on Exit or not |
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307 | * @param confirm whether a MessageBox pops up or not to confirm |
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308 | * exit |
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309 | */ |
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310 | public void setConfirmExit(boolean confirm) { |
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311 | confirmExit = confirm; |
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312 | } |
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313 | |
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314 | /** |
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315 | * returns the setting of whether to display a confirm messagebox or not |
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316 | * on exit |
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317 | * @return whether a messagebox is displayed or not |
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318 | */ |
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319 | public boolean getConfirmExit() { |
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320 | return confirmExit; |
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321 | } |
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322 | |
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323 | /** |
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324 | * whether to do a System.exit(0) on close |
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325 | * |
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326 | * @param value enables/disables a System.exit(0) on close |
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327 | */ |
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328 | public void setExitOnClose(boolean value) { |
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329 | exitOnClose = value; |
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330 | } |
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331 | |
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332 | /** |
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333 | * returns TRUE if a System.exit(0) is done on a close |
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334 | * |
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335 | * @return true if a System.exit(0) is done on close |
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336 | */ |
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337 | public boolean getExitOnClose() { |
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338 | return exitOnClose; |
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339 | } |
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340 | |
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341 | /** |
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342 | * validates and repaints the frame |
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343 | */ |
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344 | public void refresh() { |
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345 | validate(); |
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346 | repaint(); |
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347 | } |
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348 | |
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349 | /** |
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350 | * returns the title (incl. filename) for the frame |
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351 | * |
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352 | * @return the frame title |
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353 | */ |
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354 | public String getFrameTitle() { |
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355 | if (getCurrentFilename().equals("")) |
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356 | return frameTitle; |
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357 | else |
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358 | return frameTitle + " - " + getCurrentFilename(); |
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359 | } |
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360 | |
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361 | /** |
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362 | * sets the title of the parent frame, if one was provided |
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363 | */ |
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364 | public void updateFrameTitle() { |
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365 | if (getParentFrame() != null) |
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366 | getParentFrame().setTitle(getFrameTitle()); |
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367 | if (getParentInternalFrame() != null) |
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368 | getParentInternalFrame().setTitle(getFrameTitle()); |
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369 | } |
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370 | |
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371 | /** |
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372 | * sets the enabled/disabled state of the menu |
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373 | */ |
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374 | protected void updateMenu() { |
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375 | boolean fileOpen; |
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376 | boolean isChanged; |
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377 | boolean canUndo; |
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378 | |
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379 | fileOpen = (getCurrentPanel() != null); |
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380 | isChanged = fileOpen && (getCurrentPanel().isChanged()); |
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381 | canUndo = fileOpen && (getCurrentPanel().canUndo()); |
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382 | |
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383 | // File |
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384 | menuFileOpen.setEnabled(true); |
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385 | menuFileSave.setEnabled(isChanged); |
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386 | menuFileSaveAs.setEnabled(fileOpen); |
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387 | menuFileClose.setEnabled(fileOpen); |
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388 | menuFileCloseAll.setEnabled(fileOpen); |
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389 | menuFileProperties.setEnabled(fileOpen); |
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390 | menuFileExit.setEnabled(true); |
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391 | // Edit |
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392 | menuEditUndo.setEnabled(canUndo); |
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393 | menuEditCopy.setEnabled(fileOpen); |
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394 | menuEditSearch.setEnabled(fileOpen); |
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395 | menuEditClearSearch.setEnabled(fileOpen); |
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396 | menuEditAttributeAsClass.setEnabled(fileOpen); |
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397 | menuEditRenameAttribute.setEnabled(fileOpen); |
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398 | menuEditDeleteAttribute.setEnabled(fileOpen); |
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399 | menuEditDeleteAttributes.setEnabled(fileOpen); |
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400 | menuEditDeleteInstance.setEnabled(fileOpen); |
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401 | menuEditDeleteInstances.setEnabled(fileOpen); |
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402 | menuEditSortInstances.setEnabled(fileOpen); |
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403 | // View |
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404 | menuViewAttributes.setEnabled(fileOpen); |
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405 | menuViewValues.setEnabled(fileOpen); |
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406 | menuViewOptimalColWidths.setEnabled(fileOpen); |
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407 | } |
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408 | |
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409 | /** |
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410 | * sets the title of the tab that contains the given component |
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411 | * |
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412 | * @param component the component to set the title for |
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413 | */ |
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414 | protected void setTabTitle(JComponent component) { |
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415 | int index; |
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416 | |
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417 | if (!(component instanceof ArffPanel)) |
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418 | return; |
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419 | |
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420 | index = tabbedPane.indexOfComponent(component); |
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421 | if (index == -1) |
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422 | return; |
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423 | |
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424 | tabbedPane.setTitleAt(index, ((ArffPanel) component).getTitle()); |
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425 | updateFrameTitle(); |
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426 | } |
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427 | |
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428 | /** |
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429 | * returns the number of panels currently open |
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430 | * |
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431 | * @return the number of open panels |
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432 | */ |
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433 | public int getPanelCount() { |
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434 | return tabbedPane.getTabCount(); |
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435 | } |
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436 | |
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437 | /** |
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438 | * returns the specified panel, <code>null</code> if index is out of bounds |
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439 | * |
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440 | * @param index the index of the panel |
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441 | * @return the panel |
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442 | */ |
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443 | public ArffPanel getPanel(int index) { |
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444 | if ((index >= 0) && (index < getPanelCount())) |
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445 | return (ArffPanel) tabbedPane.getComponentAt(index); |
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446 | else |
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447 | return null; |
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448 | } |
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449 | |
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450 | /** |
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451 | * returns the currently selected tab index |
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452 | * |
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453 | * @return the index of the currently selected tab |
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454 | */ |
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455 | public int getCurrentIndex() { |
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456 | return tabbedPane.getSelectedIndex(); |
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457 | } |
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458 | |
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459 | /** |
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460 | * returns the currently selected panel |
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461 | * |
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462 | * @return the currently selected panel |
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463 | */ |
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464 | public ArffPanel getCurrentPanel() { |
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465 | return getPanel(getCurrentIndex()); |
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466 | } |
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467 | |
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468 | /** |
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469 | * checks whether a panel is currently selected |
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470 | * |
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471 | * @return true if a panel is currently selected |
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472 | */ |
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473 | public boolean isPanelSelected() { |
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474 | return (getCurrentPanel() != null); |
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475 | } |
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476 | |
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477 | /** |
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478 | * returns the filename of the specified panel |
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479 | * |
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480 | * @param index the index of the panel |
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481 | * @return the filename for the panel |
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482 | */ |
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483 | public String getFilename(int index) { |
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484 | String result; |
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485 | ArffPanel panel; |
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486 | |
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487 | result = ""; |
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488 | panel = getPanel(index); |
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489 | |
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490 | if (panel != null) |
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491 | result = panel.getFilename(); |
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492 | |
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493 | return result; |
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494 | } |
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495 | |
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496 | /** |
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497 | * returns the filename of the current tab |
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498 | * |
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499 | * @return the current filename |
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500 | */ |
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501 | public String getCurrentFilename() { |
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502 | return getFilename(getCurrentIndex()); |
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503 | } |
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504 | |
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505 | /** |
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506 | * sets the filename of the specified panel |
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507 | * |
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508 | * @param index the index of the panel |
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509 | * @param filename the new filename |
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510 | */ |
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511 | public void setFilename(int index, String filename) { |
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512 | ArffPanel panel; |
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513 | |
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514 | panel = getPanel(index); |
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515 | |
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516 | if (panel != null) { |
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517 | panel.setFilename(filename); |
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518 | setTabTitle(panel); |
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519 | } |
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520 | } |
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521 | |
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522 | /** |
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523 | * sets the filename of the current tab |
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524 | * |
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525 | * @param filename the new filename |
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526 | */ |
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527 | public void setCurrentFilename(String filename) { |
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528 | setFilename(getCurrentIndex(), filename); |
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529 | } |
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530 | |
---|
531 | /** |
---|
532 | * if the file is changed it pops up a dialog whether to change the |
---|
533 | * settings. if the project wasn't changed or saved it returns TRUE |
---|
534 | * |
---|
535 | * @return true if project wasn't changed or saved |
---|
536 | */ |
---|
537 | protected boolean saveChanges() { |
---|
538 | return saveChanges(true); |
---|
539 | } |
---|
540 | |
---|
541 | /** |
---|
542 | * if the file is changed it pops up a dialog whether to change the |
---|
543 | * settings. if the project wasn't changed or saved it returns TRUE |
---|
544 | * |
---|
545 | * @param showCancel whether we have YES/NO/CANCEL or only YES/NO |
---|
546 | * @return true if project wasn't changed or saved |
---|
547 | */ |
---|
548 | protected boolean saveChanges(boolean showCancel) { |
---|
549 | int button; |
---|
550 | boolean result; |
---|
551 | |
---|
552 | if (!isPanelSelected()) |
---|
553 | return true; |
---|
554 | |
---|
555 | result = !getCurrentPanel().isChanged(); |
---|
556 | |
---|
557 | if (getCurrentPanel().isChanged()) { |
---|
558 | try { |
---|
559 | if (showCancel) |
---|
560 | button = ComponentHelper.showMessageBox( |
---|
561 | this, |
---|
562 | "Changed", |
---|
563 | "The file is not saved - Do you want to save it?", |
---|
564 | JOptionPane.YES_NO_CANCEL_OPTION, |
---|
565 | JOptionPane.QUESTION_MESSAGE ); |
---|
566 | else |
---|
567 | button = ComponentHelper.showMessageBox( |
---|
568 | this, |
---|
569 | "Changed", |
---|
570 | "The file is not saved - Do you want to save it?", |
---|
571 | JOptionPane.YES_NO_OPTION, |
---|
572 | JOptionPane.QUESTION_MESSAGE ); |
---|
573 | } |
---|
574 | catch (Exception e) { |
---|
575 | button = JOptionPane.CANCEL_OPTION; |
---|
576 | } |
---|
577 | |
---|
578 | switch (button) { |
---|
579 | case JOptionPane.YES_OPTION: |
---|
580 | saveFile(); |
---|
581 | result = !getCurrentPanel().isChanged(); |
---|
582 | break; |
---|
583 | case JOptionPane.NO_OPTION: |
---|
584 | result = true; |
---|
585 | break; |
---|
586 | case JOptionPane.CANCEL_OPTION: |
---|
587 | result = false; |
---|
588 | break; |
---|
589 | } |
---|
590 | } |
---|
591 | |
---|
592 | return result; |
---|
593 | } |
---|
594 | |
---|
595 | /** |
---|
596 | * loads the specified file |
---|
597 | * |
---|
598 | * @param filename the file to load |
---|
599 | */ |
---|
600 | public void loadFile(String filename) { |
---|
601 | ArffPanel panel; |
---|
602 | |
---|
603 | panel = new ArffPanel(filename); |
---|
604 | panel.addChangeListener(this); |
---|
605 | tabbedPane.addTab(panel.getTitle(), panel); |
---|
606 | tabbedPane.setSelectedIndex(tabbedPane.getTabCount() - 1); |
---|
607 | } |
---|
608 | |
---|
609 | /** |
---|
610 | * loads the specified file into the table |
---|
611 | */ |
---|
612 | public void loadFile() { |
---|
613 | int retVal; |
---|
614 | int i; |
---|
615 | String filename; |
---|
616 | |
---|
617 | retVal = fileChooser.showOpenDialog(this); |
---|
618 | if (retVal != ConverterFileChooser.APPROVE_OPTION) |
---|
619 | return; |
---|
620 | |
---|
621 | setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR)); |
---|
622 | |
---|
623 | for (i = 0; i< fileChooser.getSelectedFiles().length; i++) { |
---|
624 | filename = fileChooser.getSelectedFiles()[i].getAbsolutePath(); |
---|
625 | loadFile(filename); |
---|
626 | } |
---|
627 | |
---|
628 | setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR)); |
---|
629 | } |
---|
630 | |
---|
631 | /** |
---|
632 | * saves the current data into a file |
---|
633 | */ |
---|
634 | public void saveFile() { |
---|
635 | ArffPanel panel; |
---|
636 | String filename; |
---|
637 | AbstractSaver saver; |
---|
638 | |
---|
639 | // no panel? -> exit |
---|
640 | panel = getCurrentPanel(); |
---|
641 | if (panel == null) |
---|
642 | return; |
---|
643 | |
---|
644 | filename = panel.getFilename(); |
---|
645 | if (filename.equals(ArffPanel.TAB_INSTANCES)) { |
---|
646 | saveFileAs(); |
---|
647 | } |
---|
648 | else { |
---|
649 | saver = fileChooser.getSaver(); |
---|
650 | try { |
---|
651 | saver.setInstances(panel.getInstances()); |
---|
652 | saver.writeBatch(); |
---|
653 | panel.setChanged(false); |
---|
654 | setCurrentFilename(filename); |
---|
655 | } |
---|
656 | catch (Exception e) { |
---|
657 | e.printStackTrace(); |
---|
658 | } |
---|
659 | } |
---|
660 | } |
---|
661 | |
---|
662 | /** |
---|
663 | * saves the current data into a new file |
---|
664 | */ |
---|
665 | public void saveFileAs() { |
---|
666 | int retVal; |
---|
667 | ArffPanel panel; |
---|
668 | |
---|
669 | // no panel? -> exit |
---|
670 | panel = getCurrentPanel(); |
---|
671 | if (panel == null) { |
---|
672 | System.out.println("nothing selected!"); |
---|
673 | return; |
---|
674 | } |
---|
675 | |
---|
676 | if (!getCurrentFilename().equals("")) { |
---|
677 | try { |
---|
678 | fileChooser.setSelectedFile(new File(getCurrentFilename())); |
---|
679 | } |
---|
680 | catch (Exception e) { |
---|
681 | // ignore |
---|
682 | } |
---|
683 | } |
---|
684 | |
---|
685 | // set filter for savers |
---|
686 | try { |
---|
687 | fileChooser.setCapabilitiesFilter(Capabilities.forInstances(panel.getInstances())); |
---|
688 | } |
---|
689 | catch (Exception e) { |
---|
690 | fileChooser.setCapabilitiesFilter(null); |
---|
691 | } |
---|
692 | |
---|
693 | retVal = fileChooser.showSaveDialog(this); |
---|
694 | if (retVal != ConverterFileChooser.APPROVE_OPTION) |
---|
695 | return; |
---|
696 | |
---|
697 | panel.setChanged(false); |
---|
698 | setCurrentFilename(fileChooser.getSelectedFile().getAbsolutePath()); |
---|
699 | saveFile(); |
---|
700 | } |
---|
701 | |
---|
702 | /** |
---|
703 | * closes the current tab |
---|
704 | */ |
---|
705 | public void closeFile() { |
---|
706 | closeFile(true); |
---|
707 | } |
---|
708 | |
---|
709 | /** |
---|
710 | * closes the current tab |
---|
711 | * @param showCancel whether to show an additional CANCEL button |
---|
712 | * in the "Want to save changes"-dialog |
---|
713 | * @see #saveChanges(boolean) |
---|
714 | */ |
---|
715 | public void closeFile(boolean showCancel) { |
---|
716 | if (getCurrentIndex() == -1) |
---|
717 | return; |
---|
718 | |
---|
719 | if (!saveChanges(showCancel)) |
---|
720 | return; |
---|
721 | |
---|
722 | tabbedPane.removeTabAt(getCurrentIndex()); |
---|
723 | updateFrameTitle(); |
---|
724 | System.gc(); |
---|
725 | } |
---|
726 | |
---|
727 | /** |
---|
728 | * closes all open files |
---|
729 | */ |
---|
730 | public void closeAllFiles() { |
---|
731 | while (tabbedPane.getTabCount() > 0) { |
---|
732 | if (!saveChanges(true)) |
---|
733 | return; |
---|
734 | |
---|
735 | tabbedPane.removeTabAt(getCurrentIndex()); |
---|
736 | updateFrameTitle(); |
---|
737 | System.gc(); |
---|
738 | } |
---|
739 | } |
---|
740 | |
---|
741 | /** |
---|
742 | * displays some properties of the instances |
---|
743 | */ |
---|
744 | public void showProperties() { |
---|
745 | ArffPanel panel; |
---|
746 | ListSelectorDialog dialog; |
---|
747 | Vector props; |
---|
748 | Instances inst; |
---|
749 | |
---|
750 | panel = getCurrentPanel(); |
---|
751 | if (panel == null) |
---|
752 | return; |
---|
753 | |
---|
754 | inst = panel.getInstances(); |
---|
755 | if (inst == null) |
---|
756 | return; |
---|
757 | if (inst.classIndex() < 0) |
---|
758 | inst.setClassIndex(inst.numAttributes() - 1); |
---|
759 | |
---|
760 | // get some data |
---|
761 | props = new Vector(); |
---|
762 | props.add("Filename: " + panel.getFilename()); |
---|
763 | props.add("Relation name: " + inst.relationName()); |
---|
764 | props.add("# of instances: " + inst.numInstances()); |
---|
765 | props.add("# of attributes: " + inst.numAttributes()); |
---|
766 | props.add("Class attribute: " + inst.classAttribute().name()); |
---|
767 | props.add("# of class labels: " + inst.numClasses()); |
---|
768 | |
---|
769 | dialog = new ListSelectorDialog(getParentFrame(), new JList(props)); |
---|
770 | dialog.showDialog(); |
---|
771 | } |
---|
772 | |
---|
773 | /** |
---|
774 | * closes the window, i.e., if the parent is not null and implements |
---|
775 | * the WindowListener interface it calls the windowClosing method |
---|
776 | */ |
---|
777 | public void close() { |
---|
778 | if (getParentInternalFrame() != null) |
---|
779 | getParentInternalFrame().doDefaultCloseAction(); |
---|
780 | else if (getParentFrame() != null) |
---|
781 | ((Window) getParentFrame()).dispatchEvent( |
---|
782 | new WindowEvent( |
---|
783 | (Window) getParentFrame(), WindowEvent.WINDOW_CLOSING)); |
---|
784 | } |
---|
785 | |
---|
786 | /** |
---|
787 | * undoes the last action |
---|
788 | */ |
---|
789 | public void undo() { |
---|
790 | if (!isPanelSelected()) |
---|
791 | return; |
---|
792 | |
---|
793 | getCurrentPanel().undo(); |
---|
794 | } |
---|
795 | |
---|
796 | /** |
---|
797 | * copies the content of the selection to the clipboard |
---|
798 | */ |
---|
799 | public void copyContent() { |
---|
800 | if (!isPanelSelected()) |
---|
801 | return; |
---|
802 | |
---|
803 | getCurrentPanel().copyContent(); |
---|
804 | } |
---|
805 | |
---|
806 | /** |
---|
807 | * searches for a string in the cells |
---|
808 | */ |
---|
809 | public void search() { |
---|
810 | if (!isPanelSelected()) |
---|
811 | return; |
---|
812 | |
---|
813 | getCurrentPanel().search(); |
---|
814 | } |
---|
815 | |
---|
816 | /** |
---|
817 | * clears the search, i.e. resets the found cells |
---|
818 | */ |
---|
819 | public void clearSearch() { |
---|
820 | if (!isPanelSelected()) |
---|
821 | return; |
---|
822 | |
---|
823 | getCurrentPanel().clearSearch(); |
---|
824 | } |
---|
825 | |
---|
826 | /** |
---|
827 | * renames the current selected Attribute |
---|
828 | */ |
---|
829 | public void renameAttribute() { |
---|
830 | if (!isPanelSelected()) |
---|
831 | return; |
---|
832 | |
---|
833 | getCurrentPanel().renameAttribute(); |
---|
834 | } |
---|
835 | |
---|
836 | /** |
---|
837 | * sets the current selected Attribute as class attribute, i.e. it moves it |
---|
838 | * to the end of the attributes |
---|
839 | */ |
---|
840 | public void attributeAsClass() { |
---|
841 | if (!isPanelSelected()) |
---|
842 | return; |
---|
843 | |
---|
844 | getCurrentPanel().attributeAsClass(); |
---|
845 | } |
---|
846 | |
---|
847 | /** |
---|
848 | * deletes the current selected Attribute or several chosen ones |
---|
849 | * |
---|
850 | * @param multiple whether to delete myultiple attributes |
---|
851 | */ |
---|
852 | public void deleteAttribute(boolean multiple) { |
---|
853 | if (!isPanelSelected()) |
---|
854 | return; |
---|
855 | |
---|
856 | if (multiple) |
---|
857 | getCurrentPanel().deleteAttributes(); |
---|
858 | else |
---|
859 | getCurrentPanel().deleteAttribute(); |
---|
860 | } |
---|
861 | |
---|
862 | /** |
---|
863 | * deletes the current selected Instance or several chosen ones |
---|
864 | * |
---|
865 | * @param multiple whether to delete multiple instances |
---|
866 | */ |
---|
867 | public void deleteInstance(boolean multiple) { |
---|
868 | if (!isPanelSelected()) |
---|
869 | return; |
---|
870 | |
---|
871 | if (multiple) |
---|
872 | getCurrentPanel().deleteInstances(); |
---|
873 | else |
---|
874 | getCurrentPanel().deleteInstance(); |
---|
875 | } |
---|
876 | |
---|
877 | /** |
---|
878 | * sorts the current selected attribute |
---|
879 | */ |
---|
880 | public void sortInstances() { |
---|
881 | if (!isPanelSelected()) |
---|
882 | return; |
---|
883 | |
---|
884 | getCurrentPanel().sortInstances(); |
---|
885 | } |
---|
886 | |
---|
887 | /** |
---|
888 | * displays all the attributes, returns the selected item or NULL if canceled |
---|
889 | * |
---|
890 | * @return the name of the selected attribute |
---|
891 | */ |
---|
892 | public String showAttributes() { |
---|
893 | ArffSortedTableModel model; |
---|
894 | ListSelectorDialog dialog; |
---|
895 | int i; |
---|
896 | JList list; |
---|
897 | String name; |
---|
898 | int result; |
---|
899 | |
---|
900 | if (!isPanelSelected()) |
---|
901 | return null; |
---|
902 | |
---|
903 | list = new JList(getCurrentPanel().getAttributes()); |
---|
904 | dialog = new ListSelectorDialog(getParentFrame(), list); |
---|
905 | result = dialog.showDialog(); |
---|
906 | |
---|
907 | if (result == ListSelectorDialog.APPROVE_OPTION) { |
---|
908 | model = (ArffSortedTableModel) getCurrentPanel().getTable().getModel(); |
---|
909 | name = list.getSelectedValue().toString(); |
---|
910 | i = model.getAttributeColumn(name); |
---|
911 | JTableHelper.scrollToVisible(getCurrentPanel().getTable(), 0, i); |
---|
912 | getCurrentPanel().getTable().setSelectedColumn(i); |
---|
913 | return name; |
---|
914 | } |
---|
915 | else { |
---|
916 | return null; |
---|
917 | } |
---|
918 | } |
---|
919 | |
---|
920 | /** |
---|
921 | * displays all the distinct values for an attribute |
---|
922 | */ |
---|
923 | public void showValues() { |
---|
924 | String attribute; |
---|
925 | ArffSortedTableModel model; |
---|
926 | ArffTable table; |
---|
927 | HashSet values; |
---|
928 | Vector items; |
---|
929 | Iterator iter; |
---|
930 | ListSelectorDialog dialog; |
---|
931 | int i; |
---|
932 | int col; |
---|
933 | |
---|
934 | // choose attribute to retrieve values for |
---|
935 | attribute = showAttributes(); |
---|
936 | if (attribute == null) |
---|
937 | return; |
---|
938 | |
---|
939 | table = (ArffTable) getCurrentPanel().getTable(); |
---|
940 | model = (ArffSortedTableModel) table.getModel(); |
---|
941 | |
---|
942 | // get column index |
---|
943 | col = -1; |
---|
944 | for (i = 0; i < table.getColumnCount(); i++) { |
---|
945 | if (table.getPlainColumnName(i).equals(attribute)) { |
---|
946 | col = i; |
---|
947 | break; |
---|
948 | } |
---|
949 | } |
---|
950 | // not found? |
---|
951 | if (col == -1) |
---|
952 | return; |
---|
953 | |
---|
954 | // get values |
---|
955 | values = new HashSet(); |
---|
956 | items = new Vector(); |
---|
957 | for (i = 0; i < model.getRowCount(); i++) |
---|
958 | values.add(model.getValueAt(i, col).toString()); |
---|
959 | if (values.isEmpty()) |
---|
960 | return; |
---|
961 | iter = values.iterator(); |
---|
962 | while (iter.hasNext()) |
---|
963 | items.add(iter.next()); |
---|
964 | Collections.sort(items); |
---|
965 | |
---|
966 | dialog = new ListSelectorDialog(getParentFrame(), new JList(items)); |
---|
967 | dialog.showDialog(); |
---|
968 | } |
---|
969 | |
---|
970 | /** |
---|
971 | * sets the optimal column width for all columns |
---|
972 | */ |
---|
973 | public void setOptimalColWidths() { |
---|
974 | if (!isPanelSelected()) |
---|
975 | return; |
---|
976 | |
---|
977 | getCurrentPanel().setOptimalColWidths(); |
---|
978 | } |
---|
979 | |
---|
980 | /** |
---|
981 | * invoked when an action occurs |
---|
982 | * |
---|
983 | * @param e the action event |
---|
984 | */ |
---|
985 | public void actionPerformed(ActionEvent e) { |
---|
986 | Object o; |
---|
987 | |
---|
988 | o = e.getSource(); |
---|
989 | |
---|
990 | if (o == menuFileOpen) |
---|
991 | loadFile(); |
---|
992 | else if (o == menuFileSave) |
---|
993 | saveFile(); |
---|
994 | else if (o == menuFileSaveAs) |
---|
995 | saveFileAs(); |
---|
996 | else if (o == menuFileClose) |
---|
997 | closeFile(); |
---|
998 | else if (o == menuFileCloseAll) |
---|
999 | closeAllFiles(); |
---|
1000 | else if (o == menuFileProperties) |
---|
1001 | showProperties(); |
---|
1002 | else if (o == menuFileExit) |
---|
1003 | close(); |
---|
1004 | else if (o == menuEditUndo) |
---|
1005 | undo(); |
---|
1006 | else if (o == menuEditCopy) |
---|
1007 | copyContent(); |
---|
1008 | else if (o == menuEditSearch) |
---|
1009 | search(); |
---|
1010 | else if (o == menuEditClearSearch) |
---|
1011 | clearSearch(); |
---|
1012 | else if (o == menuEditDeleteAttribute) |
---|
1013 | deleteAttribute(false); |
---|
1014 | else if (o == menuEditDeleteAttributes) |
---|
1015 | deleteAttribute(true); |
---|
1016 | else if (o == menuEditRenameAttribute) |
---|
1017 | renameAttribute(); |
---|
1018 | else if (o == menuEditAttributeAsClass) |
---|
1019 | attributeAsClass(); |
---|
1020 | else if (o == menuEditDeleteInstance) |
---|
1021 | deleteInstance(false); |
---|
1022 | else if (o == menuEditDeleteInstances) |
---|
1023 | deleteInstance(true); |
---|
1024 | else if (o == menuEditSortInstances) |
---|
1025 | sortInstances(); |
---|
1026 | else if (o == menuViewAttributes) |
---|
1027 | showAttributes(); |
---|
1028 | else if (o == menuViewValues) |
---|
1029 | showValues(); |
---|
1030 | else if (o == menuViewOptimalColWidths) |
---|
1031 | setOptimalColWidths(); |
---|
1032 | |
---|
1033 | updateMenu(); |
---|
1034 | } |
---|
1035 | |
---|
1036 | /** |
---|
1037 | * Invoked when the target of the listener has changed its state. |
---|
1038 | * |
---|
1039 | * @param e the change event |
---|
1040 | */ |
---|
1041 | public void stateChanged(ChangeEvent e) { |
---|
1042 | updateFrameTitle(); |
---|
1043 | updateMenu(); |
---|
1044 | |
---|
1045 | // did the content of panel change? -> change title of tab |
---|
1046 | if (e.getSource() instanceof JComponent) |
---|
1047 | setTabTitle((JComponent) e.getSource()); |
---|
1048 | } |
---|
1049 | |
---|
1050 | /** |
---|
1051 | * returns only the classname |
---|
1052 | * |
---|
1053 | * @return the classname |
---|
1054 | */ |
---|
1055 | public String toString() { |
---|
1056 | return this.getClass().getName(); |
---|
1057 | } |
---|
1058 | } |
---|