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authorupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
committerupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
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tree976dc5ab7fddf506dadce60ae936f43f58787092 /libjava/classpath/javax/swing/plaf/basic/BasicOptionPaneUI.java
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+/* BasicOptionPaneUI.java --
+ Copyright (C) 2004, 2005 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library. Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module. An independent module is a module which is not derived from
+or based on this library. If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so. If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package javax.swing.plaf.basic;
+
+import java.awt.BorderLayout;
+import java.awt.Color;
+import java.awt.Component;
+import java.awt.Container;
+import java.awt.Dimension;
+import java.awt.Font;
+import java.awt.Graphics;
+import java.awt.GridBagConstraints;
+import java.awt.GridBagLayout;
+import java.awt.Insets;
+import java.awt.LayoutManager;
+import java.awt.Polygon;
+import java.awt.Window;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.beans.PropertyChangeEvent;
+import java.beans.PropertyChangeListener;
+import java.beans.PropertyVetoException;
+
+import javax.swing.AbstractAction;
+import javax.swing.Action;
+import javax.swing.ActionMap;
+import javax.swing.BorderFactory;
+import javax.swing.Box;
+import javax.swing.BoxLayout;
+import javax.swing.Icon;
+import javax.swing.InputMap;
+import javax.swing.JButton;
+import javax.swing.JComboBox;
+import javax.swing.JComponent;
+import javax.swing.JDialog;
+import javax.swing.JInternalFrame;
+import javax.swing.JLabel;
+import javax.swing.JList;
+import javax.swing.JOptionPane;
+import javax.swing.JPanel;
+import javax.swing.JTextField;
+import javax.swing.LookAndFeel;
+import javax.swing.SwingUtilities;
+import javax.swing.UIManager;
+import javax.swing.border.Border;
+import javax.swing.plaf.ActionMapUIResource;
+import javax.swing.plaf.ComponentUI;
+import javax.swing.plaf.OptionPaneUI;
+
+/**
+ * This class is the UI delegate for JOptionPane in the Basic Look and Feel.
+ */
+public class BasicOptionPaneUI extends OptionPaneUI
+{
+ /**
+ * Implements the "close" keyboard action.
+ */
+ static class OptionPaneCloseAction
+ extends AbstractAction
+ {
+
+ public void actionPerformed(ActionEvent event)
+ {
+ JOptionPane op = (JOptionPane) event.getSource();
+ op.setValue(new Integer(JOptionPane.CLOSED_OPTION));
+ }
+
+ }
+
+ /**
+ * This is a helper class that listens to the buttons located at the bottom
+ * of the JOptionPane.
+ *
+ * @specnote Apparently this class was intended to be protected,
+ * but was made public by a compiler bug and is now
+ * public for compatibility.
+ */
+ public class ButtonActionListener implements ActionListener
+ {
+ /** The index of the option this button represents. */
+ protected int buttonIndex;
+
+ /**
+ * Creates a new ButtonActionListener object with the given buttonIndex.
+ *
+ * @param buttonIndex The index of the option this button represents.
+ */
+ public ButtonActionListener(int buttonIndex)
+ {
+ this.buttonIndex = buttonIndex;
+ }
+
+ /**
+ * This method is called when one of the option buttons are pressed.
+ *
+ * @param e The ActionEvent.
+ */
+ public void actionPerformed(ActionEvent e)
+ {
+ Object value = new Integer(JOptionPane.CLOSED_OPTION);
+ Object[] options = optionPane.getOptions();
+ if (options != null)
+ value = new Integer(buttonIndex);
+ else
+ {
+ String text = ((JButton) e.getSource()).getText();
+ if (text.equals(OK_STRING))
+ value = new Integer(JOptionPane.OK_OPTION);
+ if (text.equals(CANCEL_STRING))
+ value = new Integer(JOptionPane.CANCEL_OPTION);
+ if (text.equals(YES_STRING))
+ value = new Integer(JOptionPane.YES_OPTION);
+ if (text.equals(NO_STRING))
+ value = new Integer(JOptionPane.NO_OPTION);
+ }
+ optionPane.setValue(value);
+ resetInputValue();
+
+ Window owner = SwingUtilities.windowForComponent(optionPane);
+
+ if (owner instanceof JDialog)
+ ((JDialog) owner).dispose();
+
+ //else we probably have some kind of internal frame.
+ JInternalFrame inf = (JInternalFrame) SwingUtilities.getAncestorOfClass(
+ JInternalFrame.class, optionPane);
+ if (inf != null)
+ {
+ try
+ {
+ inf.setClosed(true);
+ }
+ catch (PropertyVetoException pve)
+ {
+ // We do nothing if attempt has been vetoed.
+ }
+ }
+ }
+ }
+
+ /**
+ * This helper layout manager is responsible for the layout of the button
+ * area. The button area is the panel that holds the buttons which
+ * represent the options.
+ *
+ * @specnote Apparently this class was intended to be protected,
+ * but was made public by a compiler bug and is now
+ * public for compatibility.
+ */
+ public static class ButtonAreaLayout implements LayoutManager
+ {
+ /** Whether this layout will center the buttons. */
+ protected boolean centersChildren = true;
+
+ /** The space between the buttons. */
+ protected int padding;
+
+ /** Whether the buttons will share the same widths. */
+ protected boolean syncAllWidths;
+
+ /** The width of the widest button. */
+ private transient int widthOfWidestButton;
+
+ /** The height of the tallest button. */
+ private transient int tallestButton;
+
+ /**
+ * Creates a new ButtonAreaLayout object with the given sync widths
+ * property and padding.
+ *
+ * @param syncAllWidths Whether the buttons will share the same widths.
+ * @param padding The padding between the buttons.
+ */
+ public ButtonAreaLayout(boolean syncAllWidths, int padding)
+ {
+ this.syncAllWidths = syncAllWidths;
+ this.padding = padding;
+ }
+
+ /**
+ * This method is called when a component is added to the container.
+ *
+ * @param string The constraints string.
+ * @param comp The component added.
+ */
+ public void addLayoutComponent(String string, Component comp)
+ {
+ // Do nothing.
+ }
+
+ /**
+ * This method returns whether the children will be centered.
+ *
+ * @return Whether the children will be centered.
+ */
+ public boolean getCentersChildren()
+ {
+ return centersChildren;
+ }
+
+ /**
+ * This method returns the amount of space between components.
+ *
+ * @return The amount of space between components.
+ */
+ public int getPadding()
+ {
+ return padding;
+ }
+
+ /**
+ * This method returns whether all components will share widths (set to
+ * largest width).
+ *
+ * @return Whether all components will share widths.
+ */
+ public boolean getSyncAllWidths()
+ {
+ return syncAllWidths;
+ }
+
+ /**
+ * This method lays out the given container.
+ *
+ * @param container The container to lay out.
+ */
+ public void layoutContainer(Container container)
+ {
+ Component[] buttonList = container.getComponents();
+ int x = container.getInsets().left;
+ if (getCentersChildren())
+ x += (int) ((double) (container.getSize().width) / 2
+ - (double) (buttonRowLength(container)) / 2);
+ for (int i = 0; i < buttonList.length; i++)
+ {
+ Dimension dims = buttonList[i].getPreferredSize();
+ if (syncAllWidths)
+ {
+ buttonList[i].setBounds(x, 0, widthOfWidestButton, dims.height);
+ x += widthOfWidestButton + getPadding();
+ }
+ else
+ {
+ buttonList[i].setBounds(x, 0, dims.width, dims.height);
+ x += dims.width + getPadding();
+ }
+ }
+ }
+
+ /**
+ * This method returns the width of the given container taking into
+ * consideration the padding and syncAllWidths.
+ *
+ * @param c The container to calculate width for.
+ *
+ * @return The width of the given container.
+ */
+ private int buttonRowLength(Container c)
+ {
+ Component[] buttonList = c.getComponents();
+
+ int buttonLength = 0;
+ int widest = 0;
+ int tallest = 0;
+
+ for (int i = 0; i < buttonList.length; i++)
+ {
+ Dimension dims = buttonList[i].getPreferredSize();
+ buttonLength += dims.width + getPadding();
+ widest = Math.max(widest, dims.width);
+ tallest = Math.max(tallest, dims.height);
+ }
+
+ widthOfWidestButton = widest;
+ tallestButton = tallest;
+
+ int width;
+ if (getSyncAllWidths())
+ width = widest * buttonList.length
+ + getPadding() * (buttonList.length - 1);
+ else
+ width = buttonLength;
+
+ Insets insets = c.getInsets();
+ width += insets.left + insets.right;
+
+ return width;
+ }
+
+ /**
+ * This method returns the minimum layout size for the given container.
+ *
+ * @param c The container to measure.
+ *
+ * @return The minimum layout size.
+ */
+ public Dimension minimumLayoutSize(Container c)
+ {
+ return preferredLayoutSize(c);
+ }
+
+ /**
+ * This method returns the preferred size of the given container.
+ *
+ * @param c The container to measure.
+ *
+ * @return The preferred size.
+ */
+ public Dimension preferredLayoutSize(Container c)
+ {
+ int w = buttonRowLength(c);
+
+ return new Dimension(w, tallestButton);
+ }
+
+ /**
+ * This method removes the given component from the layout manager's
+ * knowledge.
+ *
+ * @param c The component to remove.
+ */
+ public void removeLayoutComponent(Component c)
+ {
+ // Do nothing.
+ }
+
+ /**
+ * This method sets whether the children will be centered.
+ *
+ * @param newValue Whether the children will be centered.
+ */
+ public void setCentersChildren(boolean newValue)
+ {
+ centersChildren = newValue;
+ }
+
+ /**
+ * This method sets the amount of space between each component.
+ *
+ * @param newPadding The padding between components.
+ */
+ public void setPadding(int newPadding)
+ {
+ padding = newPadding;
+ }
+
+ /**
+ * This method sets whether the widths will be synced.
+ *
+ * @param newValue Whether the widths will be synced.
+ */
+ public void setSyncAllWidths(boolean newValue)
+ {
+ syncAllWidths = newValue;
+ }
+ }
+
+ /**
+ * This helper class handles property change events from the JOptionPane.
+ *
+ * @specnote Apparently this class was intended to be protected,
+ * but was made public by a compiler bug and is now
+ * public for compatibility.
+ */
+ public class PropertyChangeHandler implements PropertyChangeListener
+ {
+ /**
+ * This method is called when one of the properties of the JOptionPane
+ * changes.
+ *
+ * @param e The PropertyChangeEvent.
+ */
+ public void propertyChange(PropertyChangeEvent e)
+ {
+ String property = e.getPropertyName();
+ if (property.equals(JOptionPane.ICON_PROPERTY)
+ || property.equals(JOptionPane.INITIAL_SELECTION_VALUE_PROPERTY)
+ || property.equals(JOptionPane.INITIAL_VALUE_PROPERTY)
+ || property.equals(JOptionPane.MESSAGE_PROPERTY)
+ || property.equals(JOptionPane.MESSAGE_TYPE_PROPERTY)
+ || property.equals(JOptionPane.OPTION_TYPE_PROPERTY)
+ || property.equals(JOptionPane.OPTIONS_PROPERTY)
+ || property.equals(JOptionPane.WANTS_INPUT_PROPERTY))
+ {
+ uninstallComponents();
+ installComponents();
+ optionPane.validate();
+ }
+ }
+ }
+
+ /**
+ * The minimum width for JOptionPanes.
+ */
+ public static final int MinimumWidth = 262;
+
+ /**
+ * The minimum height for JOptionPanes.
+ */
+ public static final int MinimumHeight = 90;
+
+ /** Whether the JOptionPane contains custom components. */
+ protected boolean hasCustomComponents;
+
+ // The initialFocusComponent seems to always be set to a button (even if
+ // I try to set initialSelectionValue). This is different from what the
+ // javadocs state (which should switch this reference to the input component
+ // if one is present since that is what's going to get focus).
+
+ /**
+ * The button that will receive focus based on initialValue when no input
+ * component is present. If an input component is present, then the input
+ * component will receive focus instead.
+ */
+ protected Component initialFocusComponent;
+
+ /** The component that receives input when the JOptionPane needs it. */
+ protected JComponent inputComponent;
+
+ /** The minimum dimensions of the JOptionPane. */
+ protected Dimension minimumSize;
+
+ /** The propertyChangeListener for the JOptionPane. */
+ protected PropertyChangeListener propertyChangeListener;
+
+ /** The JOptionPane this UI delegate is used for. */
+ protected JOptionPane optionPane;
+
+ /** The size of the icons. */
+ private static final int ICON_SIZE = 36;
+
+ /** The string used to describe OK buttons. */
+ private static final String OK_STRING = "OK";
+
+ /** The string used to describe Yes buttons. */
+ private static final String YES_STRING = "Yes";
+
+ /** The string used to describe No buttons. */
+ private static final String NO_STRING = "No";
+
+ /** The string used to describe Cancel buttons. */
+ private static final String CANCEL_STRING = "Cancel";
+
+ /** The container for the message area.
+ * This is package-private to avoid an accessor method. */
+ transient Container messageAreaContainer;
+
+ /** The container for the buttons.
+ * This is package-private to avoid an accessor method. */
+ transient Container buttonContainer;
+
+ /**
+ * A helper class that implements Icon. This is used temporarily until
+ * ImageIcons are fixed.
+ */
+ private static class MessageIcon implements Icon
+ {
+ /**
+ * This method returns the width of the icon.
+ *
+ * @return The width of the icon.
+ */
+ public int getIconWidth()
+ {
+ return ICON_SIZE;
+ }
+
+ /**
+ * This method returns the height of the icon.
+ *
+ * @return The height of the icon.
+ */
+ public int getIconHeight()
+ {
+ return ICON_SIZE;
+ }
+
+ /**
+ * This method paints the icon as a part of the given component using the
+ * given graphics and the given x and y position.
+ *
+ * @param c The component that owns this icon.
+ * @param g The Graphics object to paint with.
+ * @param x The x coordinate.
+ * @param y The y coordinate.
+ */
+ public void paintIcon(Component c, Graphics g, int x, int y)
+ {
+ // Nothing to do here.
+ }
+ }
+
+ /** The icon displayed for ERROR_MESSAGE. */
+ private static MessageIcon errorIcon = new MessageIcon()
+ {
+ public void paintIcon(Component c, Graphics g, int x, int y)
+ {
+ Polygon oct = new Polygon(new int[] { 0, 0, 9, 27, 36, 36, 27, 9 },
+ new int[] { 9, 27, 36, 36, 27, 9, 0, 0 }, 8);
+ g.translate(x, y);
+
+ Color saved = g.getColor();
+ g.setColor(Color.RED);
+
+ g.fillPolygon(oct);
+
+ g.setColor(Color.BLACK);
+ g.drawRect(13, 16, 10, 4);
+
+ g.setColor(saved);
+ g.translate(-x, -y);
+ }
+ };
+
+ /** The icon displayed for INFORMATION_MESSAGE. */
+ private static MessageIcon infoIcon = new MessageIcon()
+ {
+ public void paintIcon(Component c, Graphics g, int x, int y)
+ {
+ g.translate(x, y);
+ Color saved = g.getColor();
+
+ // Should be purple.
+ g.setColor(Color.RED);
+
+ g.fillOval(0, 0, ICON_SIZE, ICON_SIZE);
+
+ g.setColor(Color.BLACK);
+ g.drawOval(16, 6, 4, 4);
+
+ Polygon bottomI = new Polygon(new int[] { 15, 15, 13, 13, 23, 23, 21, 21 },
+ new int[] { 12, 28, 28, 30, 30, 28, 28, 12 },
+ 8);
+ g.drawPolygon(bottomI);
+
+ g.setColor(saved);
+ g.translate(-x, -y);
+ }
+ };
+
+ /** The icon displayed for WARNING_MESSAGE. */
+ private static MessageIcon warningIcon = new MessageIcon()
+ {
+ public void paintIcon(Component c, Graphics g, int x, int y)
+ {
+ g.translate(x, y);
+ Color saved = g.getColor();
+ g.setColor(Color.YELLOW);
+
+ Polygon triangle = new Polygon(new int[] { 0, 18, 36 },
+ new int[] { 36, 0, 36 }, 3);
+ g.fillPolygon(triangle);
+
+ g.setColor(Color.BLACK);
+
+ Polygon excl = new Polygon(new int[] { 15, 16, 20, 21 },
+ new int[] { 8, 26, 26, 8 }, 4);
+ g.drawPolygon(excl);
+ g.drawOval(16, 30, 4, 4);
+
+ g.setColor(saved);
+ g.translate(-x, -y);
+ }
+ };
+
+ /** The icon displayed for MESSAGE_ICON. */
+ private static MessageIcon questionIcon = new MessageIcon()
+ {
+ public void paintIcon(Component c, Graphics g, int x, int y)
+ {
+ g.translate(x, y);
+ Color saved = g.getColor();
+ g.setColor(Color.GREEN);
+
+ g.fillRect(0, 0, ICON_SIZE, ICON_SIZE);
+
+ g.setColor(Color.BLACK);
+
+ g.drawOval(11, 2, 16, 16);
+ g.drawOval(14, 5, 10, 10);
+
+ g.setColor(Color.GREEN);
+ g.fillRect(0, 10, ICON_SIZE, ICON_SIZE - 10);
+
+ g.setColor(Color.BLACK);
+
+ g.drawLine(11, 10, 14, 10);
+
+ g.drawLine(24, 10, 17, 22);
+ g.drawLine(27, 10, 20, 22);
+ g.drawLine(17, 22, 20, 22);
+
+ g.drawOval(17, 25, 3, 3);
+
+ g.setColor(saved);
+ g.translate(-x, -y);
+ }
+ };
+
+ /**
+ * Creates a new BasicOptionPaneUI object.
+ */
+ public BasicOptionPaneUI()
+ {
+ // Nothing to do here.
+ }
+
+ /**
+ * This method is messaged to add the buttons to the given container.
+ *
+ * @param container The container to add components to.
+ * @param buttons The buttons to add. (If it is an instance of component,
+ * the Object is added directly. If it is an instance of Icon, it is
+ * packed into a label and added. For all other cases, the string
+ * representation of the Object is retreived and packed into a
+ * label.)
+ * @param initialIndex The index of the component that is the initialValue.
+ */
+ protected void addButtonComponents(Container container, Object[] buttons,
+ int initialIndex)
+ {
+ if (buttons == null)
+ return;
+ for (int i = 0; i < buttons.length; i++)
+ {
+ if (buttons[i] != null)
+ {
+ Component toAdd;
+ if (buttons[i] instanceof Component)
+ toAdd = (Component) buttons[i];
+ else
+ {
+ if (buttons[i] instanceof Icon)
+ toAdd = new JButton((Icon) buttons[i]);
+ else
+ toAdd = new JButton(buttons[i].toString());
+ hasCustomComponents = true;
+ }
+ if (toAdd instanceof JButton)
+ ((JButton) toAdd).addActionListener(createButtonActionListener(i));
+ if (i == initialIndex)
+ initialFocusComponent = toAdd;
+ container.add(toAdd);
+ }
+ }
+ selectInitialValue(optionPane);
+ }
+
+ /**
+ * This method adds the appropriate icon the given container.
+ *
+ * @param top The container to add an icon to.
+ */
+ protected void addIcon(Container top)
+ {
+ JLabel iconLabel = null;
+ Icon icon = getIcon();
+ if (icon != null)
+ {
+ iconLabel = new JLabel(icon);
+ configureLabel(iconLabel);
+ top.add(iconLabel, BorderLayout.WEST);
+ }
+ }
+
+ /**
+ * A helper method that returns an instance of GridBagConstraints to be used
+ * for creating the message area.
+ *
+ * @return An instance of GridBagConstraints.
+ */
+ private static GridBagConstraints createConstraints()
+ {
+ GridBagConstraints constraints = new GridBagConstraints();
+ constraints.gridx = GridBagConstraints.REMAINDER;
+ constraints.gridy = GridBagConstraints.REMAINDER;
+ constraints.gridwidth = 0;
+ constraints.anchor = GridBagConstraints.LINE_START;
+ constraints.fill = GridBagConstraints.NONE;
+ constraints.insets = new Insets(0, 0, 3, 0);
+
+ return constraints;
+ }
+
+ /**
+ * This method creates the proper object (if necessary) to represent msg.
+ * (If msg is an instance of Component, it will add it directly. If it is
+ * an icon, then it will pack it in a label and add it. Otherwise, it gets
+ * treated as a string. If the string is longer than maxll, a box is
+ * created and the burstStringInto is called with the box as the container.
+ * The box is then added to the given container. Otherwise, the string is
+ * packed in a label and placed in the given container.) This method is
+ * also used for adding the inputComponent to the container.
+ *
+ * @param container The container to add to.
+ * @param cons The constraints when adding.
+ * @param msg The message to add.
+ * @param maxll The max line length.
+ * @param internallyCreated Whether the msg is internally created.
+ */
+ protected void addMessageComponents(Container container,
+ GridBagConstraints cons, Object msg,
+ int maxll, boolean internallyCreated)
+ {
+ if (msg == null)
+ return;
+ hasCustomComponents = internallyCreated;
+ if (msg instanceof Object[])
+ {
+ Object[] arr = (Object[]) msg;
+ for (int i = 0; i < arr.length; i++)
+ addMessageComponents(container, cons, arr[i], maxll,
+ internallyCreated);
+ return;
+ }
+ else if (msg instanceof Component)
+ {
+ container.add((Component) msg, cons);
+ cons.gridy++;
+ }
+ else if (msg instanceof Icon)
+ {
+ JLabel label = new JLabel((Icon) msg);
+ configureLabel(label);
+ container.add(label, cons);
+ cons.gridy++;
+ }
+ else
+ {
+ // Undocumented behaviour.
+ // if msg.toString().length greater than maxll
+ // it will create a box and burst the string.
+ // otherwise, it will just create a label and re-call
+ // this method with the label o.O
+ if (msg.toString().length() > maxll || msg.toString().contains("\n"))
+ {
+ Box tmp = new Box(BoxLayout.Y_AXIS);
+ burstStringInto(tmp, msg.toString(), maxll);
+ addMessageComponents(container, cons, tmp, maxll, true);
+ }
+ else
+ {
+ JLabel label = new JLabel(msg.toString());
+ configureLabel(label);
+ addMessageComponents(container, cons, label, maxll, true);
+ }
+ }
+ }
+
+ /**
+ * This method creates instances of d (recursively if necessary based on
+ * maxll) and adds to c.
+ *
+ * @param c The container to add to.
+ * @param d The string to burst.
+ * @param maxll The max line length.
+ */
+ protected void burstStringInto(Container c, String d, int maxll)
+ {
+ if (d == null || c == null)
+ return;
+
+ int newlineIndex = d.indexOf('\n');
+ String line;
+ String remainder;
+ if (newlineIndex >= 0 && newlineIndex < maxll)
+ {
+ line = d.substring(0, newlineIndex);
+ remainder = d.substring(newlineIndex + 1);
+ }
+ else
+ {
+ line = d.substring(0, maxll);
+ remainder = d.substring(maxll);
+ }
+ JLabel label = new JLabel(line);
+ configureLabel(label);
+ c.add(label);
+
+ // If there is nothing left to burst, then we can stop.
+ if (remainder.length() == 0)
+ return;
+
+ // Recursively call ourselves to burst the remainder of the string,
+ if (remainder.length() > maxll || remainder.contains("\n"))
+ burstStringInto(c, remainder, maxll);
+ else
+ {
+ // Add the remainder to the container and be done.
+ JLabel l = new JLabel(remainder);
+ configureLabel(l);
+ c.add(l);
+ }
+ }
+
+ /**
+ * This method returns true if the given JOptionPane contains custom
+ * components.
+ *
+ * @param op The JOptionPane to check.
+ *
+ * @return True if the JOptionPane contains custom components.
+ */
+ public boolean containsCustomComponents(JOptionPane op)
+ {
+ return hasCustomComponents;
+ }
+
+ /**
+ * This method creates a button action listener for the given button index.
+ *
+ * @param buttonIndex The index of the button in components.
+ *
+ * @return A new ButtonActionListener.
+ */
+ protected ActionListener createButtonActionListener(int buttonIndex)
+ {
+ return new ButtonActionListener(buttonIndex);
+ }
+
+ /**
+ * This method creates the button area.
+ *
+ * @return A new Button Area.
+ */
+ protected Container createButtonArea()
+ {
+ JPanel buttonPanel = new JPanel();
+ Border b = UIManager.getBorder("OptionPane.buttonAreaBorder");
+ if (b != null)
+ buttonPanel.setBorder(b);
+
+ buttonPanel.setLayout(createLayoutManager());
+ addButtonComponents(buttonPanel, getButtons(), getInitialValueIndex());
+
+ return buttonPanel;
+ }
+
+ /**
+ * This method creates a new LayoutManager for the button area.
+ *
+ * @return A new LayoutManager for the button area.
+ */
+ protected LayoutManager createLayoutManager()
+ {
+ return new ButtonAreaLayout(getSizeButtonsToSameWidth(), 6);
+ }
+
+ /**
+ * This method creates the message area.
+ *
+ * @return A new message area.
+ */
+ protected Container createMessageArea()
+ {
+ JPanel messageArea = new JPanel();
+ Border messageBorder = UIManager.getBorder("OptionPane.messageAreaBorder");
+ if (messageBorder != null)
+ messageArea.setBorder(messageBorder);
+
+ messageArea.setLayout(new BorderLayout());
+ addIcon(messageArea);
+
+ JPanel rightSide = new JPanel();
+ rightSide.setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 10));
+ rightSide.setLayout(new GridBagLayout());
+ GridBagConstraints con = createConstraints();
+
+ addMessageComponents(rightSide, con, getMessage(),
+ getMaxCharactersPerLineCount(), false);
+
+ if (optionPane.getWantsInput())
+ {
+ Object[] selection = optionPane.getSelectionValues();
+
+ if (selection == null)
+ inputComponent = new JTextField(15);
+ else if (selection.length < 20)
+ inputComponent = new JComboBox(selection);
+ else
+ inputComponent = new JList(selection);
+ if (inputComponent != null)
+ {
+ addMessageComponents(rightSide, con, inputComponent,
+ getMaxCharactersPerLineCount(), false);
+ resetSelectedValue();
+ selectInitialValue(optionPane);
+ }
+ }
+
+ messageArea.add(rightSide, BorderLayout.CENTER);
+
+ return messageArea;
+ }
+
+ /**
+ * This method creates a new PropertyChangeListener for listening to the
+ * JOptionPane.
+ *
+ * @return A new PropertyChangeListener.
+ */
+ protected PropertyChangeListener createPropertyChangeListener()
+ {
+ return new PropertyChangeHandler();
+ }
+
+ /**
+ * This method creates a Container that will separate the message and button
+ * areas.
+ *
+ * @return A Container that will separate the message and button areas.
+ */
+ protected Container createSeparator()
+ {
+ // The reference implementation returns null here. When overriding
+ // to return something non-null, the component gets added between
+ // the message area and the button area. See installComponents().
+ return null;
+ }
+
+ /**
+ * This method creates a new BasicOptionPaneUI for the given component.
+ *
+ * @param x The component to create a UI for.
+ *
+ * @return A new BasicOptionPaneUI.
+ */
+ public static ComponentUI createUI(JComponent x)
+ {
+ return new BasicOptionPaneUI();
+ }
+
+ /**
+ * This method returns the buttons for the JOptionPane. If no options are
+ * set, a set of options will be created based upon the optionType.
+ *
+ * @return The buttons that will be added.
+ */
+ protected Object[] getButtons()
+ {
+ if (optionPane.getOptions() != null)
+ return optionPane.getOptions();
+ switch (optionPane.getOptionType())
+ {
+ case JOptionPane.YES_NO_OPTION:
+ return new Object[] { YES_STRING, NO_STRING };
+ case JOptionPane.YES_NO_CANCEL_OPTION:
+ return new Object[] { YES_STRING, NO_STRING, CANCEL_STRING };
+ case JOptionPane.OK_CANCEL_OPTION:
+ return new Object[] { OK_STRING, CANCEL_STRING };
+ case JOptionPane.DEFAULT_OPTION:
+ return (optionPane.getWantsInput()) ?
+ new Object[] { OK_STRING, CANCEL_STRING } :
+ (optionPane.getMessageType() == JOptionPane.QUESTION_MESSAGE) ?
+ new Object[] { YES_STRING, NO_STRING, CANCEL_STRING } :
+ // ERROR_MESSAGE, INFORMATION_MESSAGE, WARNING_MESSAGE, PLAIN_MESSAGE
+ new Object[] { OK_STRING };
+ }
+ return null;
+ }
+
+ /**
+ * This method will return the icon the user has set or the icon that will
+ * be used based on message type.
+ *
+ * @return The icon to use in the JOptionPane.
+ */
+ protected Icon getIcon()
+ {
+ if (optionPane.getIcon() != null)
+ return optionPane.getIcon();
+ else
+ return getIconForType(optionPane.getMessageType());
+ }
+
+ /**
+ * This method returns the icon for the given messageType.
+ *
+ * @param messageType The type of message.
+ *
+ * @return The icon for the given messageType.
+ */
+ protected Icon getIconForType(int messageType)
+ {
+ Icon tmp = null;
+ switch (messageType)
+ {
+ case JOptionPane.ERROR_MESSAGE:
+ tmp = errorIcon;
+ break;
+ case JOptionPane.INFORMATION_MESSAGE:
+ tmp = infoIcon;
+ break;
+ case JOptionPane.WARNING_MESSAGE:
+ tmp = warningIcon;
+ break;
+ case JOptionPane.QUESTION_MESSAGE:
+ tmp = questionIcon;
+ break;
+ }
+ return tmp;
+ // FIXME: Don't cast till the default icons are in.
+ // return new IconUIResource(tmp);
+ }
+
+ /**
+ * This method returns the index of the initialValue in the options array.
+ *
+ * @return The index of the initalValue.
+ */
+ protected int getInitialValueIndex()
+ {
+ Object[] buttons = getButtons();
+
+ if (buttons == null)
+ return -1;
+
+ Object select = optionPane.getInitialValue();
+
+ for (int i = 0; i < buttons.length; i++)
+ {
+ if (select == buttons[i])
+ return i;
+ }
+ return 0;
+ }
+
+ /**
+ * This method returns the maximum number of characters that should be
+ * placed on a line.
+ *
+ * @return The maximum number of characteres that should be placed on a
+ * line.
+ */
+ protected int getMaxCharactersPerLineCount()
+ {
+ return optionPane.getMaxCharactersPerLineCount();
+ }
+
+ /**
+ * This method returns the maximum size.
+ *
+ * @param c The JComponent to measure.
+ *
+ * @return The maximum size.
+ */
+ public Dimension getMaximumSize(JComponent c)
+ {
+ return getPreferredSize(c);
+ }
+
+ /**
+ * This method returns the message of the JOptionPane.
+ *
+ * @return The message.
+ */
+ protected Object getMessage()
+ {
+ return optionPane.getMessage();
+ }
+
+ /**
+ * This method returns the minimum size of the JOptionPane.
+ *
+ * @return The minimum size.
+ */
+ public Dimension getMinimumOptionPaneSize()
+ {
+ return minimumSize;
+ }
+
+ /**
+ * This method returns the minimum size.
+ *
+ * @param c The JComponent to measure.
+ *
+ * @return The minimum size.
+ */
+ public Dimension getMinimumSize(JComponent c)
+ {
+ return getPreferredSize(c);
+ }
+
+ /**
+ * This method returns the preferred size of the JOptionPane. The preferred
+ * size is the maximum of the size desired by the layout and the minimum
+ * size.
+ *
+ * @param c The JComponent to measure.
+ *
+ * @return The preferred size.
+ */
+ public Dimension getPreferredSize(JComponent c)
+ {
+ Dimension d = optionPane.getLayout().preferredLayoutSize(optionPane);
+ Dimension d2 = getMinimumOptionPaneSize();
+
+ int w = Math.max(d.width, d2.width);
+ int h = Math.max(d.height, d2.height);
+ return new Dimension(w, h);
+ }
+
+ /**
+ * This method returns whether all buttons should have the same width.
+ *
+ * @return Whether all buttons should have the same width.
+ */
+ protected boolean getSizeButtonsToSameWidth()
+ {
+ return true;
+ }
+
+ /**
+ * This method installs components for the JOptionPane.
+ */
+ protected void installComponents()
+ {
+ // First thing is the message area.
+ optionPane.add(createMessageArea());
+
+ // Add separator when createSeparator() is overridden to return
+ // something other than null.
+ Container sep = createSeparator();
+ if (sep != null)
+ optionPane.add(sep);
+
+ // Last thing is the button area.
+ optionPane.add(createButtonArea());
+ }
+
+ /**
+ * This method installs defaults for the JOptionPane.
+ */
+ protected void installDefaults()
+ {
+ LookAndFeel.installColorsAndFont(optionPane, "OptionPane.background",
+ "OptionPane.foreground",
+ "OptionPane.font");
+ LookAndFeel.installBorder(optionPane, "OptionPane.border");
+ optionPane.setOpaque(true);
+
+ minimumSize = UIManager.getDimension("OptionPane.minimumSize");
+
+ // FIXME: Image icons don't seem to work properly right now.
+ // Once they do, replace the synthetic icons with these ones.
+
+ /*
+ warningIcon = (IconUIResource) defaults.getIcon("OptionPane.warningIcon");
+ infoIcon = (IconUIResource) defaults.getIcon("OptionPane.informationIcon");
+ errorIcon = (IconUIResource) defaults.getIcon("OptionPane.errorIcon");
+ questionIcon = (IconUIResource) defaults.getIcon("OptionPane.questionIcon");
+ */
+ }
+
+ /**
+ * This method installs keyboard actions for the JOptionpane.
+ */
+ protected void installKeyboardActions()
+ {
+ // Install the input map.
+ Object[] bindings =
+ (Object[]) SharedUIDefaults.get("OptionPane.windowBindings");
+ InputMap inputMap = LookAndFeel.makeComponentInputMap(optionPane,
+ bindings);
+ SwingUtilities.replaceUIInputMap(optionPane,
+ JComponent.WHEN_IN_FOCUSED_WINDOW,
+ inputMap);
+
+ // FIXME: The JDK uses a LazyActionMap for parentActionMap
+ SwingUtilities.replaceUIActionMap(optionPane, getActionMap());
+ }
+
+ /**
+ * Fetches the action map from the UI defaults, or create a new one
+ * if the action map hasn't been initialized.
+ *
+ * @return the action map
+ */
+ private ActionMap getActionMap()
+ {
+ ActionMap am = (ActionMap) UIManager.get("OptionPane.actionMap");
+ if (am == null)
+ {
+ am = createDefaultActions();
+ UIManager.getLookAndFeelDefaults().put("OptionPane.actionMap", am);
+ }
+ return am;
+ }
+
+ private ActionMap createDefaultActions()
+ {
+ ActionMapUIResource am = new ActionMapUIResource();
+ Action action = new OptionPaneCloseAction();
+
+ am.put("close", action);
+ return am;
+ }
+
+ /**
+ * This method installs listeners for the JOptionPane.
+ */
+ protected void installListeners()
+ {
+ propertyChangeListener = createPropertyChangeListener();
+
+ optionPane.addPropertyChangeListener(propertyChangeListener);
+ }
+
+ /**
+ * This method installs the UI for the JOptionPane.
+ *
+ * @param c The JComponent to install the UI for.
+ */
+ public void installUI(JComponent c)
+ {
+ if (c instanceof JOptionPane)
+ {
+ optionPane = (JOptionPane) c;
+
+ installDefaults();
+ installComponents();
+ installListeners();
+ installKeyboardActions();
+ }
+ }
+
+ /**
+ * Changes the inputValue property in the JOptionPane based on the current
+ * value of the inputComponent.
+ */
+ protected void resetInputValue()
+ {
+ if (optionPane.getWantsInput() && inputComponent != null)
+ {
+ Object output = null;
+ if (inputComponent instanceof JTextField)
+ output = ((JTextField) inputComponent).getText();
+ else if (inputComponent instanceof JComboBox)
+ output = ((JComboBox) inputComponent).getSelectedItem();
+ else if (inputComponent instanceof JList)
+ output = ((JList) inputComponent).getSelectedValue();
+
+ if (output != null)
+ optionPane.setInputValue(output);
+ }
+ }
+
+ /**
+ * This method requests focus to the inputComponent (if one is present) and
+ * the initialFocusComponent otherwise.
+ *
+ * @param op The JOptionPane.
+ */
+ public void selectInitialValue(JOptionPane op)
+ {
+ if (inputComponent != null)
+ {
+ inputComponent.requestFocus();
+ return;
+ }
+ if (initialFocusComponent != null)
+ initialFocusComponent.requestFocus();
+ }
+
+ /**
+ * This method resets the value in the inputComponent to the
+ * initialSelectionValue property.
+ * This is package-private to avoid an accessor method.
+ */
+ void resetSelectedValue()
+ {
+ if (inputComponent != null)
+ {
+ Object init = optionPane.getInitialSelectionValue();
+ if (init == null)
+ return;
+ if (inputComponent instanceof JTextField)
+ ((JTextField) inputComponent).setText((String) init);
+ else if (inputComponent instanceof JComboBox)
+ ((JComboBox) inputComponent).setSelectedItem(init);
+ else if (inputComponent instanceof JList)
+ {
+ // ((JList) inputComponent).setSelectedValue(init, true);
+ }
+ }
+ }
+
+ /**
+ * This method uninstalls all the components in the JOptionPane.
+ */
+ protected void uninstallComponents()
+ {
+ optionPane.removeAll();
+ buttonContainer = null;
+ messageAreaContainer = null;
+ }
+
+ /**
+ * This method uninstalls the defaults for the JOptionPane.
+ */
+ protected void uninstallDefaults()
+ {
+ optionPane.setFont(null);
+ optionPane.setForeground(null);
+ optionPane.setBackground(null);
+
+ minimumSize = null;
+
+ // FIXME: ImageIcons don't seem to work properly
+
+ /*
+ warningIcon = null;
+ errorIcon = null;
+ questionIcon = null;
+ infoIcon = null;
+ */
+ }
+
+ /**
+ * This method uninstalls keyboard actions for the JOptionPane.
+ */
+ protected void uninstallKeyboardActions()
+ {
+ SwingUtilities.replaceUIInputMap(optionPane, JComponent.
+ WHEN_ANCESTOR_OF_FOCUSED_COMPONENT, null);
+ SwingUtilities.replaceUIActionMap(optionPane, null);
+ }
+
+ /**
+ * This method uninstalls listeners for the JOptionPane.
+ */
+ protected void uninstallListeners()
+ {
+ optionPane.removePropertyChangeListener(propertyChangeListener);
+ propertyChangeListener = null;
+ }
+
+ /**
+ * This method uninstalls the UI for the given JComponent.
+ *
+ * @param c The JComponent to uninstall for.
+ */
+ public void uninstallUI(JComponent c)
+ {
+ uninstallKeyboardActions();
+ uninstallListeners();
+ uninstallComponents();
+ uninstallDefaults();
+
+ optionPane = null;
+ }
+
+ /**
+ * Applies the proper UI configuration to labels that are added to
+ * the OptionPane.
+ *
+ * @param l the label to configure
+ */
+ private void configureLabel(JLabel l)
+ {
+ Color c = UIManager.getColor("OptionPane.messageForeground");
+ if (c != null)
+ l.setForeground(c);
+ Font f = UIManager.getFont("OptionPane.messageFont");
+ if (f != null)
+ l.setFont(f);
+ }
+}