/*
* (C) Copyright IBM Corp. 1998-2007. All Rights Reserved.
*
* The program is provided "as is" without any warranty express or
* implied, including the warranty of non-infringement and the implied
* warranties of merchantibility and fitness for a particular purpose.
* IBM will not be liable for any damages suffered by you as a result
* of using the Program. In no event will IBM be liable for any
* special, indirect or consequential damages or lost profits even if
* IBM has been advised of the possibility of their occurrence. IBM
* will not be liable for any third party claims against you.
*/
package com.ibm.richtext.swingui;
import java.util.Hashtable;
import javax.swing.Box;
import javax.swing.BorderFactory;
import javax.swing.BoxLayout;
import javax.swing.JDialog;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JButton;
import javax.swing.JList;
import javax.swing.JLabel;
import javax.swing.ListSelectionModel;
import javax.swing.event.ListSelectionEvent;
import javax.swing.event.ListSelectionListener;
import java.awt.BorderLayout;
import java.awt.Container;
import java.awt.Dimension;
import java.awt.Frame;
import java.awt.FlowLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseEvent;
import java.awt.event.MouseAdapter;
import java.awt.event.WindowEvent;
import java.awt.event.WindowAdapter;
import com.ibm.richtext.textlayout.attributes.AttributeSet;
import com.ibm.richtext.styledtext.MConstText;
import com.ibm.richtext.styledtext.StyleModifier;
import com.ibm.richtext.textpanel.MTextPanel;
import com.ibm.richtext.uiimpl.MenuItemSet;
import com.ibm.richtext.uiimpl.resources.FrameResources;
import com.ibm.richtext.uiimpl.ResourceUtils;
/**
* Simple dialog that sets an attribute.
*/
final class JObjectDialog extends JDialog {
/**
* For serialization
*/
private static final long serialVersionUID = -9183651131772308979L;
//static final String COPYRIGHT =
// "(C) Copyright IBM Corp. 1998-1999 - All Rights Reserved";
private final MTextPanel fTextPanel;
private final Object fKey;
private boolean fCharacter;
private Hashtable fNameToValueMap;
private final JButton fOKButton;
private final JButton fCancelButton;
private final JList fItems;
/**
* Construct a new JObjectDialog.
* @param parent the dialog's parent frame
* @param title the dialogs title
* @param message the message displayed next to the input box
*/
JObjectDialog(Frame parent,
String title,
String message,
MTextPanel textPanel,
Object key,
boolean character,
String[] names,
Object[] values) {
super(parent, title, false);
setupMap(names, values);
Dimension size = new Dimension(250, 200);
fTextPanel = textPanel;
fKey = key;
fCharacter = character;
fItems = new JList(names);
fItems.setSelectionMode(ListSelectionModel.MULTIPLE_INTERVAL_SELECTION);
fItems.addMouseListener(new MouseAdapter() {
public void mouseClicked(MouseEvent e) {
if (e.getClickCount() == 2) {
closeWindow(true);
}
}
});
JScrollPane listScroller = new JScrollPane(fItems);
listScroller.setPreferredSize(size);
listScroller.setPreferredSize(size);
listScroller.setAlignmentX(LEFT_ALIGNMENT);
JLabel label = new JLabel(message);
label.setLabelFor(fItems);
JPanel itemPanel = new JPanel();
itemPanel.add(label);
itemPanel.add(Box.createRigidArea(new Dimension(0,5)));
itemPanel.add(listScroller);
itemPanel.setBorder(BorderFactory.createEmptyBorder(10,10,10,10));
itemPanel.setLayout(new BoxLayout(itemPanel, BoxLayout.Y_AXIS));
fCancelButton = new JButton(ResourceUtils.getResourceString(FrameResources.CANCEL));
fOKButton = new JButton(ResourceUtils.getResourceString(FrameResources.OK));
JPanel buttonPanel = new JPanel();
buttonPanel.setLayout(new FlowLayout(FlowLayout.CENTER, 5, 5));
buttonPanel.add(fCancelButton);
buttonPanel.add(fOKButton);
Container content = getContentPane();
content.add(itemPanel, BorderLayout.CENTER);
content.add(buttonPanel, BorderLayout.SOUTH);
pack();
addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
closeWindow(false);
}
});
ActionListener listener = new ActionListener() {
public void actionPerformed(ActionEvent e) {
Object source = e.getSource();
if (source == fOKButton) {
closeWindow(true);
}
else if (source == fCancelButton) {
closeWindow(false);
}
}
};
fOKButton.addActionListener(listener);
fCancelButton.addActionListener(listener);
selectStyles(values);
}
private void setupMap(String[] names, Object[] values) {
if (names.length != values.length) {
throw new IllegalArgumentException("Must have same number of names and values.");
}
fNameToValueMap = new Hashtable(names.length);
for (int i=0; i < names.length; i++) {
if (values[i] != null) {
fNameToValueMap.put(names[i], values[i]);
}
}
}
private void closeWindow(boolean sendAction) {
setVisible(false);
if (sendAction && fItems.getMinSelectionIndex() != fItems.getMaxSelectionIndex()) {
sendAction = false;
}
if (sendAction) {
Object value = fNameToValueMap.get(fItems.getSelectedValue());
sendAction(value);
}
dispose();
}
/**
* Handle the user input
* @param value The value object
*/
private void sendAction(Object value) {
StyleModifier modifier;
if (value != null) {
modifier = StyleModifier.createAddModifier(fKey, value);
}
else {
AttributeSet set = new AttributeSet(fKey);
modifier = StyleModifier.createRemoveModifier(set);
}
if (fCharacter == MenuItemSet.CHARACTER) {
fTextPanel.modifyCharacterStyleOnSelection(modifier);
}
else {
fTextPanel.modifyParagraphStyleOnSelection(modifier);
}
}
private void selectValue(Object value, Object[] values) {
for (int i=0; i < values.length; i++) {
if ((value != null && value.equals(values[i])) || (value == null && values[i] == null)) {
fItems.addSelectionInterval(i, i);
fItems.ensureIndexIsVisible(i);
return;
}
}
}
private void selectStyles(Object[] values) {
Object value;
if (fCharacter) {
value = fTextPanel.getCharacterStyleOverSelection(fKey);
}
else {
value = fTextPanel.getParagraphStyleOverSelection(fKey);
}
if (value != MTextPanel.MULTIPLE_VALUES) {
selectValue(value, values);
}
else {
fOKButton.setEnabled(false);
int selLimit = fTextPanel.getSelectionEnd();
MConstText text = fTextPanel.getText();
for (int runStart = fTextPanel.getSelectionStart(); runStart <= selLimit;
runStart = fCharacter? text.characterStyleLimit(runStart) :
text.paragraphLimit(runStart)) {
Object runVal;
if (fCharacter) {
runVal = text.characterStyleAt(runStart).get(fKey);
}
else {
runVal = text.paragraphStyleAt(runStart).get(fKey);
}
if (runVal == null) {
runVal = fTextPanel.getDefaultValues().get(fKey);
}
selectValue(runVal, values);
if (runStart == text.length()) {
break;
}
}
}
fItems.addListSelectionListener(new ListSelectionListener() {
public void valueChanged(ListSelectionEvent e) {
fItems.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
fOKButton.setEnabled(true);
fItems.removeListSelectionListener(this);
}
});
}
}