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