src/be/nikiroo/utils/ui/ConfigItemBrowse.java

   1 package be.nikiroo.utils.ui;
   2
   3 import java.awt.BorderLayout;
   4 import java.awt.event.ActionEvent;
   5 import java.awt.event.ActionListener;
   6 import java.awt.event.KeyAdapter;
   7 import java.awt.event.KeyEvent;
   8 import java.io.File;
   9 import java.util.HashMap;
  10 import java.util.Map;
  11
  12 import javax.swing.JButton;
  13 import javax.swing.JComponent;
  14 import javax.swing.JFileChooser;
  15 import javax.swing.JPanel;
  16 import javax.swing.JTextField;
  17
  18 import be.nikiroo.utils.resources.MetaInfo;
  19
  20 class ConfigItemBrowse<E extends Enum<E>> extends ConfigItem<E> {
  21         private static final long serialVersionUID = 1L;
  22
  23         private boolean dir;
  24         private Map<JComponent, JTextField> fields = new HashMap<JComponent, JTextField>();
  25
  26         /**
  27          * Create a new {@link ConfigItemBrowse} for the given {@link MetaInfo}.
  28          *
  29          * @param info
  30          *            the {@link MetaInfo}
  31          * @param dir
  32          *            TRUE for directory browsing, FALSE for file browsing
  33          */
  34         public ConfigItemBrowse(MetaInfo<E> info, boolean dir) {
  35                 super(info, false);
  36                 this.dir = dir;
  37         }
  38
  39         @Override
  40         protected Object getFromField(int item) {
  41                 JTextField field = fields.get(getField(item));
  42                 if (field != null) {
  43                         return new File(field.getText());
  44                 }
  45
  46                 return null;
  47         }
  48
  49         @Override
  50         protected Object getFromInfo(int item) {
  51                 String path = getInfo().getString(item, false);
  52                 if (path != null && !path.isEmpty()) {
  53                         return new File(path);
  54                 }
  55
  56                 return null;
  57         }
  58
  59         @Override
  60         protected void setToField(Object value, int item) {
  61                 JTextField field = fields.get(getField(item));
  62                 if (field != null) {
  63                         field.setText(value == null ? "" : ((File) value).getPath());
  64                 }
  65         }
  66
  67         @Override
  68         protected void setToInfo(Object value, int item) {
  69                 getInfo().setString(((File) value).getPath(), item);
  70         }
  71
  72         @Override
  73         protected JComponent createEmptyField(final int item) {
  74                 final JPanel pane = new JPanel(new BorderLayout());
  75                 final JTextField field = new JTextField();
  76                 field.addKeyListener(new KeyAdapter() {
  77                         @Override
  78                         public void keyTyped(KeyEvent e) {
  79                                 File file = null;
  80                                 if (!field.getText().isEmpty()) {
  81                                         file = new File(field.getText());
  82                                 }
  83
  84                                 if (hasValueChanged(file, item)) {
  85                                         setDirtyItem(item);
  86                                 }
  87                         }
  88                 });
  89
  90                 final JButton browseButton = new JButton("...");
  91                 browseButton.addActionListener(new ActionListener() {
  92                         @Override
  93                         public void actionPerformed(ActionEvent e) {
  94                                 JFileChooser chooser = new JFileChooser();
  95                                 chooser.setCurrentDirectory((File) getFromInfo(item));
  96                                 chooser.setFileSelectionMode(dir ? JFileChooser.DIRECTORIES_ONLY
  97                                                 : JFileChooser.FILES_ONLY);
  98                                 if (chooser.showOpenDialog(ConfigItemBrowse.this) == JFileChooser.APPROVE_OPTION) {
  99                                         File file = chooser.getSelectedFile();
 100                                         if (file != null) {
 101                                                 setToField(file, item);
 102                                                 if (hasValueChanged(file, item)) {
 103                                                         setDirtyItem(item);
 104                                                 }
 105                                         }
 106                                 }
 107                         }
 108                 });
 109
 110                 pane.add(browseButton, BorderLayout.WEST);
 111                 pane.add(field, BorderLayout.CENTER);
 112
 113                 fields.put(pane, field);
 114                 return pane;
 115         }
 116 }