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1405 lines
40 KiB
Java
1405 lines
40 KiB
Java
/* BasicOptionPaneUI.java --
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Copyright (C) 2004, 2005 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package javax.swing.plaf.basic;
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import java.awt.BorderLayout;
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import java.awt.Color;
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import java.awt.Component;
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import java.awt.Container;
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import java.awt.Dimension;
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import java.awt.Font;
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import java.awt.Graphics;
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import java.awt.GridBagConstraints;
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import java.awt.GridBagLayout;
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import java.awt.Insets;
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import java.awt.LayoutManager;
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import java.awt.Polygon;
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import java.awt.Window;
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import java.awt.event.ActionEvent;
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import java.awt.event.ActionListener;
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import java.beans.PropertyChangeEvent;
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import java.beans.PropertyChangeListener;
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import java.beans.PropertyVetoException;
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import javax.swing.AbstractAction;
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import javax.swing.Action;
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import javax.swing.ActionMap;
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import javax.swing.BorderFactory;
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import javax.swing.Box;
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import javax.swing.BoxLayout;
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import javax.swing.Icon;
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import javax.swing.InputMap;
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import javax.swing.JButton;
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import javax.swing.JComboBox;
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import javax.swing.JComponent;
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import javax.swing.JDialog;
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import javax.swing.JInternalFrame;
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import javax.swing.JLabel;
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import javax.swing.JList;
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import javax.swing.JOptionPane;
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import javax.swing.JPanel;
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import javax.swing.JTextField;
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import javax.swing.LookAndFeel;
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import javax.swing.SwingUtilities;
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import javax.swing.UIManager;
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import javax.swing.border.Border;
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import javax.swing.plaf.ActionMapUIResource;
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import javax.swing.plaf.ComponentUI;
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import javax.swing.plaf.OptionPaneUI;
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/**
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* This class is the UI delegate for JOptionPane in the Basic Look and Feel.
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*/
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public class BasicOptionPaneUI extends OptionPaneUI
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{
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/**
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* Implements the "close" keyboard action.
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*/
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static class OptionPaneCloseAction
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extends AbstractAction
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{
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public void actionPerformed(ActionEvent event)
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{
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JOptionPane op = (JOptionPane) event.getSource();
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op.setValue(new Integer(JOptionPane.CLOSED_OPTION));
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}
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}
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/**
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* This is a helper class that listens to the buttons located at the bottom
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* of the JOptionPane.
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*
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* @specnote Apparently this class was intended to be protected,
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* but was made public by a compiler bug and is now
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* public for compatibility.
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*/
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public class ButtonActionListener implements ActionListener
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{
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/** The index of the option this button represents. */
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protected int buttonIndex;
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/**
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* Creates a new ButtonActionListener object with the given buttonIndex.
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*
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* @param buttonIndex The index of the option this button represents.
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*/
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public ButtonActionListener(int buttonIndex)
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{
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this.buttonIndex = buttonIndex;
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}
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/**
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* This method is called when one of the option buttons are pressed.
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*
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* @param e The ActionEvent.
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*/
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public void actionPerformed(ActionEvent e)
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{
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Object value = new Integer(JOptionPane.CLOSED_OPTION);
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Object[] options = optionPane.getOptions();
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if (options != null)
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value = new Integer(buttonIndex);
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else
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{
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String text = ((JButton) e.getSource()).getText();
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if (text.equals(OK_STRING))
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value = new Integer(JOptionPane.OK_OPTION);
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if (text.equals(CANCEL_STRING))
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value = new Integer(JOptionPane.CANCEL_OPTION);
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if (text.equals(YES_STRING))
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value = new Integer(JOptionPane.YES_OPTION);
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if (text.equals(NO_STRING))
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value = new Integer(JOptionPane.NO_OPTION);
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}
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optionPane.setValue(value);
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resetInputValue();
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Window owner = SwingUtilities.windowForComponent(optionPane);
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if (owner instanceof JDialog)
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((JDialog) owner).dispose();
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//else we probably have some kind of internal frame.
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JInternalFrame inf = (JInternalFrame) SwingUtilities.getAncestorOfClass(
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JInternalFrame.class, optionPane);
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if (inf != null)
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{
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try
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{
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inf.setClosed(true);
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}
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catch (PropertyVetoException pve)
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{
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// We do nothing if attempt has been vetoed.
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}
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}
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}
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}
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/**
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* This helper layout manager is responsible for the layout of the button
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* area. The button area is the panel that holds the buttons which
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* represent the options.
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*
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* @specnote Apparently this class was intended to be protected,
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* but was made public by a compiler bug and is now
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* public for compatibility.
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*/
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public static class ButtonAreaLayout implements LayoutManager
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{
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/** Whether this layout will center the buttons. */
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protected boolean centersChildren = true;
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/** The space between the buttons. */
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protected int padding;
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/** Whether the buttons will share the same widths. */
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protected boolean syncAllWidths;
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/** The width of the widest button. */
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private transient int widthOfWidestButton;
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/** The height of the tallest button. */
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private transient int tallestButton;
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/**
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* Creates a new ButtonAreaLayout object with the given sync widths
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* property and padding.
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*
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* @param syncAllWidths Whether the buttons will share the same widths.
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* @param padding The padding between the buttons.
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*/
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public ButtonAreaLayout(boolean syncAllWidths, int padding)
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{
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this.syncAllWidths = syncAllWidths;
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this.padding = padding;
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}
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/**
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* This method is called when a component is added to the container.
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*
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* @param string The constraints string.
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* @param comp The component added.
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*/
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public void addLayoutComponent(String string, Component comp)
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{
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// Do nothing.
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}
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/**
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* This method returns whether the children will be centered.
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*
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* @return Whether the children will be centered.
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*/
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public boolean getCentersChildren()
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{
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return centersChildren;
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}
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/**
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* This method returns the amount of space between components.
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*
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* @return The amount of space between components.
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*/
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public int getPadding()
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{
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return padding;
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}
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/**
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* This method returns whether all components will share widths (set to
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* largest width).
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*
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* @return Whether all components will share widths.
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*/
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public boolean getSyncAllWidths()
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{
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return syncAllWidths;
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}
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/**
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* This method lays out the given container.
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*
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* @param container The container to lay out.
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*/
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public void layoutContainer(Container container)
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{
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Component[] buttonList = container.getComponents();
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int x = container.getInsets().left;
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if (getCentersChildren())
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x += (int) ((double) (container.getSize().width) / 2
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- (double) (buttonRowLength(container)) / 2);
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for (int i = 0; i < buttonList.length; i++)
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{
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Dimension dims = buttonList[i].getPreferredSize();
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if (syncAllWidths)
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{
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buttonList[i].setBounds(x, 0, widthOfWidestButton, dims.height);
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x += widthOfWidestButton + getPadding();
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}
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else
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{
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buttonList[i].setBounds(x, 0, dims.width, dims.height);
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x += dims.width + getPadding();
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}
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}
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}
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/**
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* This method returns the width of the given container taking into
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* consideration the padding and syncAllWidths.
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*
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* @param c The container to calculate width for.
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*
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* @return The width of the given container.
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*/
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private int buttonRowLength(Container c)
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{
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Component[] buttonList = c.getComponents();
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int buttonLength = 0;
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int widest = 0;
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int tallest = 0;
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for (int i = 0; i < buttonList.length; i++)
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{
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Dimension dims = buttonList[i].getPreferredSize();
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buttonLength += dims.width + getPadding();
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widest = Math.max(widest, dims.width);
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tallest = Math.max(tallest, dims.height);
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}
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widthOfWidestButton = widest;
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tallestButton = tallest;
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int width;
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if (getSyncAllWidths())
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width = widest * buttonList.length
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+ getPadding() * (buttonList.length - 1);
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else
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width = buttonLength;
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Insets insets = c.getInsets();
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width += insets.left + insets.right;
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return width;
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}
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/**
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* This method returns the minimum layout size for the given container.
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*
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* @param c The container to measure.
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*
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* @return The minimum layout size.
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*/
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public Dimension minimumLayoutSize(Container c)
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{
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return preferredLayoutSize(c);
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}
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/**
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* This method returns the preferred size of the given container.
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*
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* @param c The container to measure.
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*
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* @return The preferred size.
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*/
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public Dimension preferredLayoutSize(Container c)
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{
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int w = buttonRowLength(c);
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return new Dimension(w, tallestButton);
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}
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/**
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* This method removes the given component from the layout manager's
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* knowledge.
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*
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* @param c The component to remove.
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*/
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public void removeLayoutComponent(Component c)
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{
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// Do nothing.
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}
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/**
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* This method sets whether the children will be centered.
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*
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* @param newValue Whether the children will be centered.
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*/
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public void setCentersChildren(boolean newValue)
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{
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centersChildren = newValue;
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}
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/**
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* This method sets the amount of space between each component.
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*
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* @param newPadding The padding between components.
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*/
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public void setPadding(int newPadding)
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{
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padding = newPadding;
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}
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/**
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* This method sets whether the widths will be synced.
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*
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* @param newValue Whether the widths will be synced.
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*/
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public void setSyncAllWidths(boolean newValue)
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{
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syncAllWidths = newValue;
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}
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}
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/**
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* This helper class handles property change events from the JOptionPane.
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*
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* @specnote Apparently this class was intended to be protected,
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* but was made public by a compiler bug and is now
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* public for compatibility.
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*/
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public class PropertyChangeHandler implements PropertyChangeListener
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{
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/**
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* This method is called when one of the properties of the JOptionPane
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* changes.
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*
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* @param e The PropertyChangeEvent.
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*/
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public void propertyChange(PropertyChangeEvent e)
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{
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String property = e.getPropertyName();
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if (property.equals(JOptionPane.ICON_PROPERTY)
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|| property.equals(JOptionPane.INITIAL_SELECTION_VALUE_PROPERTY)
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|| property.equals(JOptionPane.INITIAL_VALUE_PROPERTY)
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|| property.equals(JOptionPane.MESSAGE_PROPERTY)
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|| property.equals(JOptionPane.MESSAGE_TYPE_PROPERTY)
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|| property.equals(JOptionPane.OPTION_TYPE_PROPERTY)
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|| property.equals(JOptionPane.OPTIONS_PROPERTY)
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|| property.equals(JOptionPane.WANTS_INPUT_PROPERTY))
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{
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uninstallComponents();
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installComponents();
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optionPane.validate();
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}
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}
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}
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/**
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* The minimum width for JOptionPanes.
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*/
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public static final int MinimumWidth = 262;
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/**
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* The minimum height for JOptionPanes.
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*/
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public static final int MinimumHeight = 90;
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/** Whether the JOptionPane contains custom components. */
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protected boolean hasCustomComponents;
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// The initialFocusComponent seems to always be set to a button (even if
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// I try to set initialSelectionValue). This is different from what the
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// javadocs state (which should switch this reference to the input component
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// if one is present since that is what's going to get focus).
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/**
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* The button that will receive focus based on initialValue when no input
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* component is present. If an input component is present, then the input
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* component will receive focus instead.
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*/
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protected Component initialFocusComponent;
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/** The component that receives input when the JOptionPane needs it. */
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protected JComponent inputComponent;
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/** The minimum dimensions of the JOptionPane. */
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protected Dimension minimumSize;
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/** The propertyChangeListener for the JOptionPane. */
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protected PropertyChangeListener propertyChangeListener;
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/** The JOptionPane this UI delegate is used for. */
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protected JOptionPane optionPane;
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/** The size of the icons. */
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private static final int ICON_SIZE = 36;
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/** The string used to describe OK buttons. */
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private static final String OK_STRING = "OK";
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/** The string used to describe Yes buttons. */
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private static final String YES_STRING = "Yes";
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/** The string used to describe No buttons. */
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private static final String NO_STRING = "No";
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/** The string used to describe Cancel buttons. */
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private static final String CANCEL_STRING = "Cancel";
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/** The container for the message area.
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* This is package-private to avoid an accessor method. */
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transient Container messageAreaContainer;
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/** The container for the buttons.
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* This is package-private to avoid an accessor method. */
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transient Container buttonContainer;
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/**
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* A helper class that implements Icon. This is used temporarily until
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* ImageIcons are fixed.
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*/
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private static class MessageIcon implements Icon
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{
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/**
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* This method returns the width of the icon.
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*
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* @return The width of the icon.
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*/
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public int getIconWidth()
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{
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return ICON_SIZE;
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}
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/**
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* This method returns the height of the icon.
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*
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* @return The height of the icon.
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*/
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public int getIconHeight()
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{
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return ICON_SIZE;
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}
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/**
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* This method paints the icon as a part of the given component using the
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* given graphics and the given x and y position.
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*
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* @param c The component that owns this icon.
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* @param g The Graphics object to paint with.
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* @param x The x coordinate.
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* @param y The y coordinate.
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*/
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public void paintIcon(Component c, Graphics g, int x, int y)
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{
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// Nothing to do here.
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}
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}
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/** The icon displayed for ERROR_MESSAGE. */
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private static MessageIcon errorIcon = new MessageIcon()
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{
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public void paintIcon(Component c, Graphics g, int x, int y)
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{
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Polygon oct = new Polygon(new int[] { 0, 0, 9, 27, 36, 36, 27, 9 },
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new int[] { 9, 27, 36, 36, 27, 9, 0, 0 }, 8);
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g.translate(x, y);
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Color saved = g.getColor();
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g.setColor(Color.RED);
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g.fillPolygon(oct);
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g.setColor(Color.BLACK);
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g.drawRect(13, 16, 10, 4);
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g.setColor(saved);
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g.translate(-x, -y);
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}
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};
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/** The icon displayed for INFORMATION_MESSAGE. */
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private static MessageIcon infoIcon = new MessageIcon()
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{
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public void paintIcon(Component c, Graphics g, int x, int y)
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{
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g.translate(x, y);
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Color saved = g.getColor();
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// Should be purple.
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g.setColor(Color.RED);
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g.fillOval(0, 0, ICON_SIZE, ICON_SIZE);
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g.setColor(Color.BLACK);
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g.drawOval(16, 6, 4, 4);
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Polygon bottomI = new Polygon(new int[] { 15, 15, 13, 13, 23, 23, 21, 21 },
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new int[] { 12, 28, 28, 30, 30, 28, 28, 12 },
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8);
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g.drawPolygon(bottomI);
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g.setColor(saved);
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g.translate(-x, -y);
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}
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};
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/** 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);
|
|
}
|
|
}
|