diff options
Diffstat (limited to 'libjava/classpath/javax/swing/plaf/basic/BasicOptionPaneUI.java')
| -rw-r--r-- | libjava/classpath/javax/swing/plaf/basic/BasicOptionPaneUI.java | 1404 |
1 files changed, 0 insertions, 1404 deletions
diff --git a/libjava/classpath/javax/swing/plaf/basic/BasicOptionPaneUI.java b/libjava/classpath/javax/swing/plaf/basic/BasicOptionPaneUI.java deleted file mode 100644 index a03d224d21f..00000000000 --- a/libjava/classpath/javax/swing/plaf/basic/BasicOptionPaneUI.java +++ /dev/null @@ -1,1404 +0,0 @@ -/* 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); - } -} |