/*
* This program 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 of the License, or
* (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/*
* PropertyDialog.java
* Copyright (C) 1999 University of Waikato, Hamilton, New Zealand
*
*/
package weka.gui;
import java.awt.BorderLayout;
import java.awt.Component;
import java.awt.Container;
import java.awt.Dialog;
import java.awt.Frame;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.beans.PropertyEditor;
import javax.swing.JDialog;
import javax.swing.JInternalFrame;
/**
* Support for PropertyEditors with custom editors: puts the editor into
* a separate frame.
*
* @author Len Trigg (trigg@cs.waikato.ac.nz)
* @version $Revision: 6596 $
*/
public class PropertyDialog
extends JDialog {
/** for serialization. */
private static final long serialVersionUID = -2314850859392433539L;
/** The property editor. */
private PropertyEditor m_Editor;
/** The custom editor component. */
private Component m_EditorComponent;
/**
* Creates the editor frame - only kept for backward-compatibility.
*
* @param pe the PropertyEditor
* @param x initial x coord for the frame
* @param y initial y coord for the frame
* @deprecated instead of this constructor, one should use the constructors
* with an explicit owner (either derived from
* <code>java.awt.Dialog</code> or from
* <code>java.awt.Frame</code>) or, if none available,
* using <code>(Frame) null</code> as owner.
*/
public PropertyDialog(PropertyEditor pe, int x, int y) {
this((Frame) null, pe, x, y);
setVisible(true);
}
/**
* Creates the (screen-centered) editor dialog. The dialog is automatically
* modal in case the owner is non-null.
*
* @param owner the dialog that opens this dialog
* @param pe the PropertyEditor
*/
public PropertyDialog(Dialog owner, PropertyEditor pe) {
this(owner, pe, -1, -1);
}
/**
* Creates the editor dialog at the given position. The dialog is automatically
* modal in case the owner is non-null.
*
* @param owner the dialog that opens this dialog
* @param pe the PropertyEditor
* @param x initial x coord for the dialog
* @param y initial y coord for the dialog
*/
public PropertyDialog(Dialog owner, PropertyEditor pe, int x, int y) {
super(owner, pe.getClass().getName(), true);
initialize(pe, x, y);
}
/**
* Creates the (screen-centered) editor dialog. The dialog is automatically
* modal in case the owner is non-null.
*
* @param owner the frame that opens this dialog
* @param pe the PropertyEditor
*/
public PropertyDialog(Frame owner, PropertyEditor pe) {
this(owner, pe, -1, -1);
}
/**
* Creates the editor dialog at the given position. The dialog is automatically
* modal in case the owner is non-null.
*
* @param owner the frame that opens this dialog
* @param pe the PropertyEditor
* @param x initial x coord for the dialog
* @param y initial y coord for the dialog
*/
public PropertyDialog(Frame owner, PropertyEditor pe, int x, int y) {
super(owner, pe.getClass().getName(), true);
initialize(pe, x, y);
}
/**
* Initializes the dialog.
*
* @param pe the PropertyEditor
* @param x initial x coord for the dialog
* @param y initial y coord for the dialog
*/
protected void initialize(PropertyEditor pe, int x, int y) {
addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
e.getWindow().dispose();
}
});
getContentPane().setLayout(new BorderLayout());
m_Editor = pe;
m_EditorComponent = pe.getCustomEditor();
getContentPane().add(m_EditorComponent, BorderLayout.CENTER);
pack();
int screenWidth = getGraphicsConfiguration().getBounds().width;
int screenHeight = getGraphicsConfiguration().getBounds().height;
// adjust height to a maximum of 95% of screen height
if (getHeight() > (double) screenHeight * 0.95)
setSize(getWidth(), (int) ((double) screenHeight * 0.95));
if ((x == -1) && (y == -1)) {
setLocationRelativeTo(null);
}
else {
// adjust position if necessary
if (x + getWidth() > screenWidth)
x = screenWidth - getWidth();
if (y + getHeight() > screenHeight)
y = screenHeight - getHeight();
setLocation(x, y);
}
}
/**
* Gets the current property editor.
*
* @return a value of type 'PropertyEditor'
*/
public PropertyEditor getEditor() {
return m_Editor;
}
/**
* Tries to determine the frame this panel is part of.
*
* @param c the container to start with
* @return the parent frame if one exists or null if not
*/
public static Frame getParentFrame(Container c) {
Frame result;
Container parent;
result = null;
parent = c;
while (parent != null) {
if (parent instanceof Frame) {
result = (Frame) parent;
break;
}
else {
parent = parent.getParent();
}
}
return result;
}
/**
* Tries to determine the internal frame this panel is part of.
*
* @param c the container to start with
* @return the parent internal frame if one exists or null if not
*/
public static JInternalFrame getParentInternalFrame(Container c) {
JInternalFrame result;
Container parent;
result = null;
parent = c;
while (parent != null) {
if (parent instanceof JInternalFrame) {
result = (JInternalFrame) parent;
break;
}
else {
parent = parent.getParent();
}
}
return result;
}
/**
* Tries to determine the dialog this panel is part of.
*
* @param c the container to start with
* @return the parent dialog if one exists or null if not
*/
public static Dialog getParentDialog(Container c) {
Dialog result;
Container parent;
result = null;
parent = c;
while (parent != null) {
if (parent instanceof Dialog) {
result = (Dialog) parent;
break;
}
else {
parent = parent.getParent();
}
}
return result;
}
}