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/*
* Copyright (c) 2004 - 2011 Eike Stepper (Berlin, Germany) and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Eike Stepper - initial API and implementation
*/
package org.eclipse.emf.cdo.ui.widgets;
import org.eclipse.net4j.util.ui.UIUtil;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Scale;
import org.eclipse.swt.widgets.Shell;
/**
* @author Eike Stepper
* @since 2.0
*/
// Under development
@Deprecated
public class AuditScale extends Composite
{
private int direction;
private int scaleStyle;
private Scale scale;
public AuditScale(Composite parent, int scaleStyle)
{
super(parent, SWT.NONE);
setLayout(UIUtil.createGridLayout(1));
this.scaleStyle = scaleStyle;
updateDirection();
}
/**
* @since 4.0
*/
public int getDirection()
{
return direction;
}
public int getScaleStyle()
{
return scaleStyle;
}
public Scale getScale()
{
return scale;
}
protected Scale createScale(int style)
{
return new Scale(this, style);
}
@Override
public void setBounds(int x, int y, int width, int height)
{
super.setBounds(x, y, width, height);
updateDirection();
}
private void updateDirection()
{
int newDirection;
if ((scaleStyle & SWT.HORIZONTAL) != 0)
{
newDirection = SWT.HORIZONTAL;
}
else if ((scaleStyle & SWT.VERTICAL) != 0)
{
newDirection = SWT.VERTICAL;
}
else
{
Rectangle clientArea = getClientArea();
if (clientArea.height > clientArea.width)
{
newDirection = SWT.VERTICAL;
}
else
{
newDirection = SWT.HORIZONTAL;
}
}
if (direction != newDirection)
{
direction = newDirection;
if (scale != null)
{
scale.dispose();
scale = null;
}
}
if (scale == null)
{
int style = scaleStyle & ~(SWT.HORIZONTAL | SWT.VERTICAL) | direction;
scale = createScale(style);
scale.setLayoutData(UIUtil.createGridData());
}
}
public static void main(String[] args)
{
Display display = new Display();
Shell shell = new Shell(display);
shell.setLayout(UIUtil.createGridLayout(1));
AuditScale scale = new AuditScale(shell, SWT.NONE);
scale.setLayoutData(UIUtil.createGridData());
// scale.setSize(200, 64);
// scale.setMaximum(40);
// scale.setPageIncrement(5);
shell.open();
while (!shell.isDisposed())
{
if (!display.readAndDispatch())
{
display.sleep();
}
}
display.dispose();
}
}
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