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

   1 package be.nikiroo.utils.ui;
   2
   3 import java.awt.BorderLayout;
   4 import java.awt.Color;
   5 import java.awt.event.ActionEvent;
   6 import java.awt.event.ActionListener;
   7 import java.io.IOException;
   8 import java.util.List;
   9
  10 import javax.swing.BoxLayout;
  11 import javax.swing.JButton;
  12 import javax.swing.JComponent;
  13 import javax.swing.JLabel;
  14 import javax.swing.JPanel;
  15 import javax.swing.JScrollPane;
  16 import javax.swing.JTextArea;
  17 import javax.swing.border.EmptyBorder;
  18 import javax.swing.border.TitledBorder;
  19
  20 import be.nikiroo.utils.StringUtils;
  21 import be.nikiroo.utils.resources.Bundle;
  22 import be.nikiroo.utils.resources.MetaInfo;
  23
  24 /**
  25  * A configuration panel for a {@link Bundle}.
  26  * <p>
  27  * All the items in the given {@link Bundle} will be displayed in editable
  28  * controls, with options to Save, Reset and/or Reset to the application default
  29  * values.
  30  *
  31  * @author niki
  32  *
  33  * @param <E>
  34  *            the type of {@link Bundle} to edit
  35  */
  36 public class ConfigEditor<E extends Enum<E>> extends JPanel {
  37         private static final long serialVersionUID = 1L;
  38         private List<MetaInfo<E>> items;
  39
  40         /**
  41          * Create a new {@link ConfigEditor} for this {@link Bundle}.
  42          *
  43          * @param type
  44          *            a class instance of the item type to work on
  45          * @param bundle
  46          *            the {@link Bundle} to sort through
  47          * @param title
  48          *            the title to display before the options
  49          */
  50         public ConfigEditor(Class<E> type, final Bundle<E> bundle, String title) {
  51                 this.setLayout(new BorderLayout());
  52                 JPanel main = new JPanel();
  53
  54                 JScrollPane scroll = new JScrollPane(main);
  55                 scroll.getVerticalScrollBar().setUnitIncrement(16);
  56                 this.add(scroll, BorderLayout.CENTER);
  57
  58                 main.setLayout(new BoxLayout(main, BoxLayout.PAGE_AXIS));
  59                 main.setBorder(new EmptyBorder(5, 5, 5, 5));
  60
  61                 main.add(new JLabel(title));
  62
  63                 items = MetaInfo.getItems(type, bundle);
  64                 for (MetaInfo<E> item : items) {
  65                         addItem(main, item, 0);
  66                 }
  67
  68                 main.add(createButton("Reset", new ActionListener() {
  69                         @Override
  70                         public void actionPerformed(ActionEvent e) {
  71                                 for (MetaInfo<E> item : items) {
  72                                         item.reload();
  73                                 }
  74                         }
  75                 }));
  76
  77                 main.add(createButton("Default", new ActionListener() {
  78                         @Override
  79                         public void actionPerformed(ActionEvent e) {
  80                                 Object snap = bundle.takeSnapshot();
  81                                 bundle.reload(true);
  82                                 for (MetaInfo<E> item : items) {
  83                                         item.reload();
  84                                 }
  85                                 bundle.reload(false);
  86                                 bundle.restoreSnapshot(snap);
  87                         }
  88                 }));
  89
  90                 main.add(createButton("Save", new ActionListener() {
  91                         @Override
  92                         public void actionPerformed(ActionEvent e) {
  93                                 for (MetaInfo<E> item : items) {
  94                                         item.save();
  95                                 }
  96
  97                                 try {
  98                                         bundle.updateFile();
  99                                 } catch (IOException e1) {
 100                                         e1.printStackTrace();
 101                                 }
 102                         }
 103                 }));
 104         }
 105
 106         private void addItem(JPanel main, MetaInfo<E> item, int nhgap) {
 107                 if (item.isGroup()) {
 108                         JPanel bpane = new JPanel(new BorderLayout());
 109                         bpane.setBorder(new TitledBorder(item.getName()));
 110                         JPanel pane = new JPanel();
 111                         pane.setBorder(new EmptyBorder(5, 5, 5, 5));
 112                         pane.setLayout(new BoxLayout(pane, BoxLayout.Y_AXIS));
 113
 114                         String info = item.getDescription();
 115                         info = StringUtils.justifyTexts(info, 100);
 116                         if (!info.isEmpty()) {
 117                                 info = info + "\n";
 118                                 JTextArea text = new JTextArea(info);
 119                                 text.setWrapStyleWord(true);
 120                                 text.setOpaque(false);
 121                                 text.setForeground(new Color(100, 100, 180));
 122                                 text.setEditable(false);
 123                                 pane.add(text);
 124                         }
 125
 126                         for (MetaInfo<E> subitem : item) {
 127                                 addItem(pane, subitem, nhgap + 11);
 128                         }
 129                         bpane.add(pane, BorderLayout.CENTER);
 130                         main.add(bpane);
 131                 } else {
 132                         main.add(new ConfigItem<E>(item, nhgap));
 133                 }
 134         }
 135
 136         /**
 137          * Add an action button for this action.
 138          *
 139          * @param title
 140          *            the action title
 141          * @param listener
 142          *            the action
 143          */
 144         private JComponent createButton(String title, ActionListener listener) {
 145                 JButton button = new JButton(title);
 146                 button.addActionListener(listener);
 147
 148                 JPanel panel = new JPanel();
 149                 panel.setLayout(new BorderLayout());
 150                 panel.setBorder(new EmptyBorder(2, 10, 2, 10));
 151                 panel.add(button, BorderLayout.CENTER);
 152
 153                 return panel;
 154         }
 155 }