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