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.JPanel;
  12 import javax.swing.border.EmptyBorder;
  13
  14 import be.nikiroo.utils.resources.Bundle;
  15
  16 /**
  17  * A configuration panel for a {@link Bundle}.
  18  * <p>
  19  * All the items in the given {@link Bundle} will be displayed in editable
  20  * controls, with options to Save, Reset and/or Reset to the application default
  21  * values.
  22  *
  23  * @author niki
  24  *
  25  * @param <E>
  26  *            the type of {@link Bundle} to edit
  27  */
  28 public class ConfigEditor<E extends Enum<E>> extends JPanel {
  29         private static final long serialVersionUID = 1L;
  30         private List<ConfigItem<E>> items;
  31
  32         /**
  33          * Create a new {@link ConfigEditor} for this {@link Bundle}.
  34          *
  35          * @param type
  36          *            a class instance of the item type to work on
  37          * @param bundle
  38          *            the {@link Bundle} to sort through
  39          */
  40         public ConfigEditor(Class<E> type, final Bundle<E> bundle) {
  41                 this.setLayout(new BoxLayout(this, BoxLayout.PAGE_AXIS));
  42
  43                 items = ConfigItem.getItems(type, bundle);
  44                 for (ConfigItem<E> item : items) {
  45                         this.add(item);
  46                 }
  47
  48                 addButton("Reset", new ActionListener() {
  49                         public void actionPerformed(ActionEvent e) {
  50                                 for (ConfigItem<E> item : items) {
  51                                         item.reload();
  52                                 }
  53                         }
  54                 });
  55
  56                 addButton("Default", new ActionListener() {
  57                         public void actionPerformed(ActionEvent e) {
  58                                 Object snap = bundle.takeSnapshot();
  59                                 bundle.reload(true);
  60                                 for (ConfigItem<E> item : items) {
  61                                         item.reload();
  62                                 }
  63                                 bundle.reload(false);
  64                                 bundle.restoreSnapshot(snap);
  65                         }
  66                 });
  67
  68                 addButton("Save", new ActionListener() {
  69                         public void actionPerformed(ActionEvent e) {
  70                                 for (ConfigItem<E> item : items) {
  71                                         item.save();
  72                                 }
  73
  74                                 try {
  75                                         bundle.updateFile();
  76                                 } catch (IOException e1) {
  77                                         e1.printStackTrace();
  78                                 }
  79                         }
  80                 });
  81         }
  82
  83         /**
  84          * Add an action button for this action.
  85          *
  86          * @param title
  87          *            the action title
  88          * @param listener
  89          *            the action
  90          */
  91         private void addButton(String title, ActionListener listener) {
  92                 JButton button = new JButton(title);
  93                 button.addActionListener(listener);
  94
  95                 JPanel panel = new JPanel();
  96                 panel.setLayout(new BorderLayout());
  97                 panel.setBorder(new EmptyBorder(2, 10, 2, 10));
  98                 panel.add(button, BorderLayout.CENTER);
  99
 100                 this.add(panel);
 101         }
 102 }