throw IO when image is used on close
[nikiroo-utils.git] / src / be / nikiroo / utils / ui / ConfigItem.java
diff --git a/src/be/nikiroo/utils/ui/ConfigItem.java b/src/be/nikiroo/utils/ui/ConfigItem.java
deleted file mode 100644 (file)
index c6b4075..0000000
+++ /dev/null
@@ -1,518 +0,0 @@
-package be.nikiroo.utils.ui;
-
-import java.awt.BorderLayout;
-import java.awt.Cursor;
-import java.awt.Dimension;
-import java.awt.event.ActionEvent;
-import java.awt.event.ActionListener;
-import java.awt.event.MouseAdapter;
-import java.awt.event.MouseEvent;
-import java.awt.image.BufferedImage;
-import java.io.IOException;
-import java.util.ArrayList;
-import java.util.List;
-
-import javax.swing.BoxLayout;
-import javax.swing.ImageIcon;
-import javax.swing.JButton;
-import javax.swing.JComponent;
-import javax.swing.JLabel;
-import javax.swing.JOptionPane;
-import javax.swing.JPanel;
-import javax.swing.JTextField;
-
-import be.nikiroo.utils.Image;
-import be.nikiroo.utils.StringUtils;
-import be.nikiroo.utils.StringUtils.Alignment;
-import be.nikiroo.utils.resources.Bundle;
-import be.nikiroo.utils.resources.MetaInfo;
-
-/**
- * A graphical item that reflect a configuration option from the given
- * {@link Bundle}.
- * <p>
- * This graphical item can be edited, and the result will be saved back into the
- * linked {@link MetaInfo}; you still have to save the {@link MetaInfo} should
- * you wish to, of course.
- * 
- * @author niki
- * 
- * @param <E>
- *            the type of {@link Bundle} to edit
- */
-public class ConfigItem<E extends Enum<E>> extends JPanel {
-       private static final long serialVersionUID = 1L;
-
-       private static int minimumHeight = -1;
-
-       /** A small (?) blue in PNG, base64 encoded. */
-       private static String infoImage64 = //
-       ""
-                       + "iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAABmJLR0QA/wD/AP+gvaeTAAAACXBI"
-                       + "WXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH4wURFRg6IrtcdgAAATdJREFUOMvtkj8sQ1EUxr9z/71G"
-                       + "m1RDogYxq7WDDYMYTSajSG4n6YRYzSaSLibWbiaDIGwdiLIYDFKDNJEgKu969xi8UNHy7H7LPcN3"
-                       + "v/Odcy+hG9oOIeIcBCJS9MAvlZtOMtHxsrFrJHGqe0RVGnHAHpcIbPlng8BS3HmKBJYzabGUzcrJ"
-                       + "XK+ckIrqANYR2JEv2nYDEVck0WKGfHzyq82Go+btxoX3XAcAIqTj8wPqOH6mtMeM4bGCLhyfhTMA"
-                       + "qlLhKHqujCfaweCAmV0p50dPzsNpEKpK01V/n55HIvTnfDC2odKlfeYadZN/T+AqDACUsnkhqaU1"
-                       + "LRIVuX1x7ciuSWQxVIrunONrfq3dI6oh+T94Z8453vEem/HTqT8ZpFJ0qDXtGkPbAGAMeSRngQCA"
-                       + "eUvgn195AwlZWyvjtQdhAAAAAElFTkSuQmCC";
-
-       /** The original value before current changes. */
-       private Object orig;
-       private List<Integer> dirtyBits;
-
-       protected MetaInfo<E> info;
-
-       private JComponent field;
-       private List<JComponent> fields = new ArrayList<JComponent>();
-
-       /**
-        * Create a new {@link ConfigItem} for the given {@link MetaInfo}.
-        * 
-        * @param info
-        *            the {@link MetaInfo}
-        * @param nhgap
-        *            negative horisontal gap in pixel to use for the label, i.e.,
-        *            the step lock sized labels will start smaller by that amount
-        *            (the use case would be to align controls that start at a
-        *            different horisontal position)
-        */
-       public ConfigItem(MetaInfo<E> info, int nhgap) {
-               this(info, true);
-
-               ConfigItem<E> configItem;
-               switch (info.getFormat()) {
-               case BOOLEAN:
-                       configItem = new ConfigItemBoolean<E>(info);
-                       break;
-               case COLOR:
-                       configItem = new ConfigItemColor<E>(info);
-                       break;
-               case FILE:
-                       configItem = new ConfigItemBrowse<E>(info, false);
-                       break;
-               case DIRECTORY:
-                       configItem = new ConfigItemBrowse<E>(info, true);
-                       break;
-               case COMBO_LIST:
-                       configItem = new ConfigItemCombobox<E>(info, true);
-                       break;
-               case FIXED_LIST:
-                       configItem = new ConfigItemCombobox<E>(info, false);
-                       break;
-               case INT:
-                       configItem = new ConfigItemInteger<E>(info);
-                       break;
-               case PASSWORD:
-                       configItem = new ConfigItemPassword<E>(info);
-                       break;
-               case STRING:
-               case LOCALE: // TODO?
-               default:
-                       configItem = new ConfigItemString<E>(info);
-                       break;
-               }
-
-               if (info.isArray()) {
-                       this.setLayout(new BorderLayout());
-                       add(label(nhgap), BorderLayout.WEST);
-
-                       final JPanel main = new JPanel();
-                       main.setLayout(new BoxLayout(main, BoxLayout.Y_AXIS));
-                       int size = info.getListSize(false);
-                       for (int i = 0; i < size; i++) {
-                               JComponent field = configItem.createComponent(i);
-                               main.add(field);
-                       }
-
-                       // TODO: image
-                       final JButton add = new JButton("+");
-                       final ConfigItem<E> fconfigItem = configItem;
-                       add.addActionListener(new ActionListener() {
-                               @Override
-                               public void actionPerformed(ActionEvent e) {
-                                       JComponent field = fconfigItem
-                                                       .createComponent(fconfigItem.info
-                                                                       .getListSize(false));
-                                       main.add(field);
-
-                                       main.revalidate();
-                                       main.repaint();
-                               }
-                       });
-
-                       JPanel tmp = new JPanel(new BorderLayout());
-                       tmp.add(add, BorderLayout.WEST);
-
-                       JPanel mainPlus = new JPanel(new BorderLayout());
-                       mainPlus.add(main, BorderLayout.CENTER);
-                       mainPlus.add(tmp, BorderLayout.SOUTH);
-
-                       add(mainPlus, BorderLayout.CENTER);
-               } else {
-                       this.setLayout(new BorderLayout());
-                       add(label(nhgap), BorderLayout.WEST);
-
-                       JComponent field = configItem.createComponent(-1);
-                       add(field, BorderLayout.CENTER);
-               }
-       }
-
-       /**
-        * Prepare a new {@link ConfigItem} instance, linked to the given
-        * {@link MetaInfo}.
-        * 
-        * @param info
-        *            the info
-        * @param autoDirtyHandling
-        *            TRUE to automatically manage the setDirty/Save operations,
-        *            FALSE if you want to do it yourself via
-        *            {@link ConfigItem#setDirtyItem(int)}
-        */
-       protected ConfigItem(MetaInfo<E> info, boolean autoDirtyHandling) {
-               this.info = info;
-               if (!autoDirtyHandling) {
-                       dirtyBits = new ArrayList<Integer>();
-               }
-       }
-
-       /**
-        * Create an empty graphical component to be used later by
-        * {@link ConfigItem#getField(int)}.
-        * <p>
-        * Note that {@link ConfigItem#reload(int)} will be called after it was
-        * created.
-        * 
-        * @param item
-        *            the item number to get for an array of values, or -1 to get
-        *            the whole value (has no effect if {@link MetaInfo#isArray()}
-        *            is FALSE)
-        * 
-        * @return the graphical component
-        */
-       protected JComponent createField(@SuppressWarnings("unused") int item) {
-               // Not used by the main class, only the sublasses
-               return null;
-       }
-
-       /**
-        * Get the information from the {@link MetaInfo} in the subclass preferred
-        * format.
-        * 
-        * @param item
-        *            the item number to get for an array of values, or -1 to get
-        *            the whole value (has no effect if {@link MetaInfo#isArray()}
-        *            is FALSE)
-        * 
-        * @return the information in the subclass preferred format
-        */
-       protected Object getFromInfo(@SuppressWarnings("unused") int item) {
-               // Not used by the main class, only the subclasses
-               return null;
-       }
-
-       /**
-        * Set the value to the {@link MetaInfo}.
-        * 
-        * @param value
-        *            the value in the subclass preferred format
-        * @param item
-        *            the item number to get for an array of values, or -1 to get
-        *            the whole value (has no effect if {@link MetaInfo#isArray()}
-        *            is FALSE)
-        */
-       protected void setToInfo(@SuppressWarnings("unused") Object value,
-                       @SuppressWarnings("unused") int item) {
-               // Not used by the main class, only the subclasses
-       }
-
-       /**
-        * @param item
-        *            the item number to get for an array of values, or -1 to get
-        *            the whole value (has no effect if {@link MetaInfo#isArray()}
-        *            is FALSE)
-        * 
-        * @return
-        */
-       protected Object getFromField(@SuppressWarnings("unused") int item) {
-               // Not used by the main class, only the subclasses
-               return null;
-       }
-
-       /**
-        * Set the value (in the subclass preferred format) into the field.
-        * 
-        * @param value
-        *            the value in the subclass preferred format
-        * @param item
-        *            the item number to get for an array of values, or -1 to get
-        *            the whole value (has no effect if {@link MetaInfo#isArray()}
-        *            is FALSE)
-        */
-       protected void setToField(@SuppressWarnings("unused") Object value,
-                       @SuppressWarnings("unused") int item) {
-               // Not used by the main class, only the subclasses
-       }
-
-       /**
-        * Create a new field for the given graphical component at the given index
-        * (note that the component is usually created by
-        * {@link ConfigItem#createField(int)}).
-        * 
-        * @param item
-        *            the item number to get for an array of values, or -1 to get
-        *            the whole value (has no effect if {@link MetaInfo#isArray()}
-        *            is FALSE)
-        * @param field
-        *            the graphical component
-        */
-       private void setField(int item, JComponent field) {
-               if (item < 0) {
-                       this.field = field;
-                       return;
-               }
-
-               for (int i = fields.size(); i <= item; i++) {
-                       fields.add(null);
-               }
-
-               fields.set(item, field);
-       }
-
-       /**
-        * Retrieve the associated graphical component that was created with
-        * {@link ConfigItem#createField(int)}.
-        * 
-        * @param item
-        *            the item number to get for an array of values, or -1 to get
-        *            the whole value (has no effect if {@link MetaInfo#isArray()}
-        *            is FALSE)
-        * 
-        * @return the graphical component
-        */
-       protected JComponent getField(int item) {
-               if (item < 0) {
-                       return field;
-               }
-
-               if (item < fields.size()) {
-                       return fields.get(item);
-               }
-
-               return null;
-       }
-
-       /**
-        * Manually specify that the given item is "dirty" and thus should be saved
-        * when asked.
-        * <p>
-        * Has no effect if the class is using automatic dirty handling (see
-        * {@link ConfigItem#ConfigItem(MetaInfo, boolean)}).
-        * 
-        * @param item
-        *            the item number to get for an array of values, or -1 to get
-        *            the whole value (has no effect if {@link MetaInfo#isArray()}
-        *            is FALSE)
-        */
-       protected void setDirtyItem(int item) {
-               if (dirtyBits != null) {
-                       dirtyBits.add(item);
-               }
-       }
-
-       /**
-        * Check if the value changed since the last load/save into the linked
-        * {@link MetaInfo}.
-        * <p>
-        * Note that we consider NULL and an Empty {@link String} to be equals.
-        * 
-        * @param value
-        *            the value to test
-        * 
-        * @return TRUE if it has
-        */
-       protected boolean hasValueChanged(Object value) {
-               // We consider "" and NULL to be equals
-               return !orig.equals(value == null ? "" : value);
-       }
-
-       /**
-        * Reload the values to what they currently are in the {@link MetaInfo}.
-        * 
-        * @param item
-        *            the item number to get for an array of values, or -1 to get
-        *            the whole value (has no effect if {@link MetaInfo#isArray()}
-        *            is FALSE)
-        */
-       protected void reload(int item) {
-               Object value = getFromInfo(item);
-               setToField(value, item);
-
-               // We consider "" and NULL to be equals
-               orig = (value == null ? "" : value);
-       }
-
-       /**
-        * If the item has been modified, set the {@link MetaInfo} to dirty then
-        * modify it to, reflect the changes so it can be saved later.
-        * <p>
-        * This method does <b>not</b> call {@link MetaInfo#save(boolean)}.
-        * 
-        * @param item
-        *            the item number to get for an array of values, or -1 to get
-        *            the whole value (has no effect if {@link MetaInfo#isArray()}
-        *            is FALSE)
-        */
-       protected void save(int item) {
-               Object value = getFromField(item);
-
-               boolean dirty = false;
-               if (dirtyBits != null) {
-                       dirty = dirtyBits.remove((Integer) item);
-               } else {
-                       // We consider "" and NULL to be equals
-                       dirty = hasValueChanged(value);
-               }
-
-               if (dirty) {
-                       info.setDirty();
-                       setToInfo(value, item);
-                       orig = (value == null ? "" : value);
-               }
-       }
-
-       /**
-        * 
-        * @param item
-        *            the item number to get for an array of values, or -1 to get
-        *            the whole value (has no effect if {@link MetaInfo#isArray()}
-        *            is FALSE)
-        * @param addTo
-        * @param nhgap
-        */
-       protected JComponent createComponent(final int item) {
-               setField(item, createField(item));
-               reload(item);
-
-               info.addReloadedListener(new Runnable() {
-                       @Override
-                       public void run() {
-                               reload(item);
-                       }
-               });
-               info.addSaveListener(new Runnable() {
-                       @Override
-                       public void run() {
-                               save(item);
-                       }
-               });
-
-               JComponent field = getField(item);
-               setPreferredSize(field);
-
-               return field;
-       }
-
-       /**
-        * Create a label which width is constrained in lock steps.
-        * 
-        * @param nhgap
-        *            negative horisontal gap in pixel to use for the label, i.e.,
-        *            the step lock sized labels will start smaller by that amount
-        *            (the use case would be to align controls that start at a
-        *            different horisontal position)
-        * 
-        * @return the label
-        */
-       protected JComponent label(int nhgap) {
-               final JLabel label = new JLabel(info.getName());
-
-               Dimension ps = label.getPreferredSize();
-               if (ps == null) {
-                       ps = label.getSize();
-               }
-
-               ps.height = Math.max(ps.height, getMinimumHeight());
-
-               int w = ps.width;
-               int step = 150;
-               for (int i = 2 * step - nhgap; i < 10 * step; i += step) {
-                       if (w < i) {
-                               w = i;
-                               break;
-                       }
-               }
-
-               final Runnable showInfo = new Runnable() {
-                       @Override
-                       public void run() {
-                               StringBuilder builder = new StringBuilder();
-                               String text = (info.getDescription().replace("\\n", "\n"))
-                                               .trim();
-                               for (String line : StringUtils.justifyText(text, 80,
-                                               Alignment.LEFT)) {
-                                       if (builder.length() > 0) {
-                                               builder.append("\n");
-                                       }
-                                       builder.append(line);
-                               }
-                               text = builder.toString();
-                               JOptionPane.showMessageDialog(ConfigItem.this, text,
-                                               info.getName(), JOptionPane.INFORMATION_MESSAGE);
-                       }
-               };
-
-               JLabel help = new JLabel("");
-               help.setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));
-               try {
-                       Image img = new Image(infoImage64);
-                       try {
-                               BufferedImage bImg = ImageUtilsAwt.fromImage(img);
-                               help.setIcon(new ImageIcon(bImg));
-                       } finally {
-                               img.close();
-                       }
-               } catch (IOException e) {
-                       // This is an hard-coded image, should not happen
-                       help.setText("?");
-               }
-
-               help.addMouseListener(new MouseAdapter() {
-                       @Override
-                       public void mouseClicked(MouseEvent e) {
-                               showInfo.run();
-                       }
-               });
-
-               JPanel pane2 = new JPanel(new BorderLayout());
-               pane2.add(help, BorderLayout.WEST);
-               pane2.add(new JLabel(" "), BorderLayout.CENTER);
-
-               JPanel contentPane = new JPanel(new BorderLayout());
-               contentPane.add(label, BorderLayout.WEST);
-               contentPane.add(pane2, BorderLayout.CENTER);
-
-               ps.width = w + 30; // 30 for the (?) sign
-               contentPane.setSize(ps);
-               contentPane.setPreferredSize(ps);
-
-               JPanel pane = new JPanel(new BorderLayout());
-               pane.add(contentPane, BorderLayout.NORTH);
-
-               return pane;
-       }
-
-       protected void setPreferredSize(JComponent field) {
-               int height = Math
-                               .max(getMinimumHeight(), field.getMinimumSize().height);
-               setPreferredSize(new Dimension(200, height));
-       }
-
-       static private int getMinimumHeight() {
-               if (minimumHeight < 0) {
-                       minimumHeight = new JTextField("Test").getMinimumSize().height;
-               }
-
-               return minimumHeight;
-       }
-}