/*******************************************************************************
* Copyright (c) 2014, 2014 Bruno Medeiros and other Contributors.
* 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:
* Bruno Medeiros - initial API and implementation
*******************************************************************************/
package melnorme.util.swt.components;
import org.eclipse.jface.layout.GridDataFactory;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
/**
* Some extended functionality to {@link AbstractField}.
*
*/
public abstract class AbstractFieldExt<VALUE> extends AbstractField<VALUE>{
protected String labelText;
public AbstractFieldExt(String labelText) {
this.labelText = labelText;
}
@Override
protected final void createContents(Composite topControl) {
createContents_do(topControl);
createContents_layout();
}
protected abstract void createContents_do(Composite topControl);
protected abstract void createContents_layout();
public GridData layout2Controls(Control leftControl, Control lastControl, boolean expandLast) {
GridLayout layoutData = (GridLayout) lastControl.getParent().getLayout();
int numColumns = layoutData.numColumns;
leftControl.setLayoutData(GridDataFactory.swtDefaults().create());
numColumns--;
if(numColumns == 0) {
numColumns = 1;
}
return layoutLastControl(lastControl, numColumns, expandLast);
}
public GridData layout1Control(Control lastControl) {
GridLayout layoutData = (GridLayout) lastControl.getParent().getLayout();
int numColumns = layoutData.numColumns;
return layoutLastControl(lastControl, numColumns, true);
}
protected GridData layoutLastControl(Control lastControl, int numColumns, boolean expandLast) {
GridDataFactory gdf = expandLast ?
GridDataFactory.fillDefaults() :
GridDataFactory.swtDefaults();
GridData gridData = gdf.span(numColumns, 1).create();
lastControl.setLayoutData(gridData);
return gridData;
}
}