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/***************************************************************************
* Copyright (c) 2004 - 2007 Eike Stepper, Germany.
* 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.net4j.util.ui.widgets;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.layout.FormAttachment;
import org.eclipse.swt.layout.FormData;
import org.eclipse.swt.layout.FormLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Sash;
public abstract class SashComposite extends Composite
{
private Sash sash;
private Control control1;
private Control control2;
public SashComposite(Composite parent, int style, final int limit, final int percent)
{
super(parent, style);
final FormLayout form = new FormLayout();
setLayout(form);
control1 = createControl1(this);
sash = new Sash(this, SWT.VERTICAL);
control2 = createControl2(this);
FormData leftControlData = new FormData();
leftControlData.left = new FormAttachment(0, 0);
leftControlData.right = new FormAttachment(sash, 0);
leftControlData.top = new FormAttachment(0, 0);
leftControlData.bottom = new FormAttachment(100, 0);
control1.setLayoutData(leftControlData);
final FormData sashData = new FormData();
sashData.left = new FormAttachment(percent, 0);
sashData.top = new FormAttachment(0, 0);
sashData.bottom = new FormAttachment(100, 0);
sash.setLayoutData(sashData);
sash.addListener(SWT.Selection, new Listener()
{
public void handleEvent(Event e)
{
Rectangle sashRect = sash.getBounds();
Rectangle shellRect = SashComposite.this.getClientArea();
int right = shellRect.width - sashRect.width - limit;
e.x = Math.max(Math.min(e.x, right), limit);
if (e.x != sashRect.x)
{
sashData.left = new FormAttachment(0, e.x);
SashComposite.this.layout();
}
}
});
FormData rightControlData = new FormData();
rightControlData.left = new FormAttachment(sash, 0);
rightControlData.right = new FormAttachment(100, 0);
rightControlData.top = new FormAttachment(0, 0);
rightControlData.bottom = new FormAttachment(100, 0);
control2.setLayoutData(rightControlData);
}
public Sash getSash()
{
return sash;
}
public Control getControl1()
{
return control1;
}
public Control getControl2()
{
return control2;
}
protected abstract Control createControl2(Composite parent);
protected abstract Control createControl1(Composite parent);
}
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