Files
2016-04-27 01:07:35 -04:00

320 lines
7.4 KiB
Java

//******************************************************************************
//
// File: TitleDialog.java
// Package: edu.rit.numeric.plot
// Unit: Class edu.rit.numeric.plot.TitleDialog
//
// This Java source file is copyright (C) 2013 by Alan Kaminsky. All rights
// reserved. For further information, contact the author, Alan Kaminsky, at
// ark@cs.rit.edu.
//
// This Java source file is part of the Parallel Java 2 Library ("PJ2"). PJ2 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 3 of the License, or (at your option) any later version.
//
// PJ2 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.
//
// A copy of the GNU General Public License is provided in the file gpl.txt. You
// may also obtain a copy of the GNU General Public License on the World Wide
// Web at http://www.gnu.org/licenses/gpl.html.
//
//******************************************************************************
package edu.rit.numeric.plot;
import edu.rit.swing.DoubleTextField;
import edu.rit.swing.FontSelector;
import java.awt.Container;
import java.awt.Font;
import java.awt.Frame;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Insets;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import javax.swing.BoxLayout;
import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextField;
/**
* Class TitleDialog provides a modal dialog for specifying the title attributes
* of a {@linkplain Plot}.
*
* @author Alan Kaminsky
* @version 07-Mar-2011
*/
class TitleDialog
extends JDialog
{
// Hidden data members.
private static final int GAP = 10;
private JTextField myTitle;
private FontSelector myTitleFont;
private DoubleTextField myTitleOffset;
private boolean okButtonClicked;
// Exported constructors.
/**
* Construct a new title dialog.
*
* @param owner Frame in which the dialog is displayed.
* @param kind Which kind of title is being formatted.
*/
public TitleDialog
(Frame owner,
String kind)
{
super (owner, "Format " + kind + " Title", true);
GridBagConstraints c;
JLabel l;
// Set up grid bag layout manager.
Container pane = getContentPane();
GridBagLayout layout = new GridBagLayout();
pane.setLayout (layout);
// Widgets for title.
l = new JLabel ("Title");
c = new GridBagConstraints();
c.gridx = 0;
c.gridy = 0;
c.insets = new Insets (GAP, GAP, GAP, GAP);
c.anchor = GridBagConstraints.WEST;
layout.setConstraints (l, c);
pane.add (l);
myTitle = new JTextField (20);
c = new GridBagConstraints();
c.gridx = 1;
c.gridy = 0;
c.insets = new Insets (GAP, 0, GAP, GAP);
c.anchor = GridBagConstraints.WEST;
c.fill = GridBagConstraints.HORIZONTAL;
c.weightx = 1.0;
layout.setConstraints (myTitle, c);
pane.add (myTitle);
// Widgets for title font.
l = new JLabel ("Font");
c = new GridBagConstraints();
c.gridx = 0;
c.gridy = 1;
c.insets = new Insets (0, GAP, GAP, GAP);
c.anchor = GridBagConstraints.WEST;
layout.setConstraints (l, c);
pane.add (l);
myTitleFont = new FontSelector();
c = new GridBagConstraints();
c.gridx = 1;
c.gridy = 1;
c.insets = new Insets (0, 0, GAP, GAP);
c.weightx = 1.0;
layout.setConstraints (myTitleFont, c);
pane.add (myTitleFont);
// Widgets for title offset.
l = new JLabel ("Offset");
c = new GridBagConstraints();
c.gridx = 0;
c.gridy = 2;
c.insets = new Insets (0, GAP, GAP, GAP);
c.anchor = GridBagConstraints.WEST;
layout.setConstraints (l, c);
pane.add (l);
myTitleOffset = new DoubleTextField (5);
c = new GridBagConstraints();
c.gridx = 1;
c.gridy = 2;
c.insets = new Insets (0, 0, GAP, GAP);
c.anchor = GridBagConstraints.WEST;
c.weightx = 1.0;
layout.setConstraints (myTitleOffset, c);
pane.add (myTitleOffset);
// "OK" and "Cancel" buttons.
JPanel buttons = new JPanel();
buttons.setLayout (new BoxLayout (buttons, BoxLayout.X_AXIS));
JButton okButton = new JButton ("OK");
buttons.add (okButton);
okButton.addActionListener (new ActionListener()
{
public void actionPerformed (ActionEvent e)
{
doOkay();
}
});
JButton cancelButton = new JButton ("Cancel");
buttons.add (cancelButton);
cancelButton.addActionListener (new ActionListener()
{
public void actionPerformed (ActionEvent e)
{
doCancel();
}
});
c = new GridBagConstraints();
c.gridx = 0;
c.gridy = 3;
c.gridwidth = GridBagConstraints.REMAINDER;
c.insets = new Insets (0, GAP, GAP, GAP);
c.anchor = GridBagConstraints.CENTER;
c.weightx = 1.0;
c.weighty = 1.0;
layout.setConstraints (buttons, c);
pane.add (buttons);
getRootPane().setDefaultButton (okButton);
// Set up window closing actions.
setDefaultCloseOperation (JDialog.DO_NOTHING_ON_CLOSE);
addWindowListener (new WindowAdapter()
{
public void windowActivated (WindowEvent e)
{
myTitle.setSelectionStart (Integer.MAX_VALUE);
myTitle.setSelectionEnd (Integer.MAX_VALUE);
myTitle.requestFocusInWindow();
}
public void windowClosing (WindowEvent e)
{
doCancel();
}
});
pack();
}
// Exported operations.
/**
* Set the title text.
*
* @param title Title.
*/
public void setTitleText
(String title)
{
myTitle.setText (title);
}
/**
* Set the title font.
*
* @param titleFont Title font.
*/
public void setTitleFont
(Font titleFont)
{
myTitleFont.setSelectedFont (titleFont);
}
/**
* Set the title offset.
*
* @param titleOffset Title offset.
*/
public void setTitleOffset
(double titleOffset)
{
myTitleOffset.value (titleOffset);
}
/**
* Determine if the "OK" button was clicked.
*
* @return True if the "OK" button was clicked, false otherwise.
*/
public boolean isOkay()
{
return okButtonClicked;
}
/**
* Get the title text.
*
* @return Title.
*/
public String getTitleText()
{
return myTitle.getText();
}
/**
* Get the title font.
*
* @return Title font.
*/
public Font getTitleFont()
{
return myTitleFont.getSelectedFont();
}
/**
* Get the title offset.
*
* @return Title offset.
*/
public double getTitleOffset()
{
return myTitleOffset.value();
}
// Hidden operations.
/**
* Processing when the "Okay" button is clicked.
*/
private void doOkay()
{
if (myTitleOffset.isOkay (0.0, Double.MAX_VALUE))
{
okButtonClicked = true;
setVisible (false);
}
}
/**
* Processing when the "Cancel" button is clicked.
*/
private void doCancel()
{
okButtonClicked = false;
setVisible (false);
}
// Unit test main program.
// /**
// * Unit test main program.
// */
// public static void main
// (String[] args)
// throws Exception
// {
// TitleDialog dialog = new TitleDialog (null);
// dialog.setTitle ("This is a test");
// dialog.setTitleOffset (12);
// dialog.setVisible (true);
// System.out.println (dialog.isOkay());
// System.out.println (dialog.getTitle());
// System.out.println (dialog.getTitleFont());
// System.out.println (dialog.getTitleOffset());
// dialog.dispose();
// }
}