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/*******************************************************************************
* Copyright (c) 2000, 2003 IBM Corporation 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:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.make.internal.ui.part;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
/**
* @version 1.0
* @author
*/
public abstract class SharedPartWithButtons extends SharedPart {
private String[] buttonLabels;
private Control[] controls;
private Composite buttonContainer;
private class SelectionHandler implements SelectionListener {
public void widgetSelected(SelectionEvent e) {
buttonSelected(e);
}
public void widgetDefaultSelected(SelectionEvent e) {
buttonSelected(e);
}
private void buttonSelected(SelectionEvent e) {
Integer index = (Integer) e.widget.getData();
SharedPartWithButtons.this.buttonSelected((Button) e.widget, index.intValue());
}
}
public SharedPartWithButtons(String[] buttonLabels) {
this.buttonLabels = buttonLabels;
}
public void setButtonEnabled(int index, boolean enabled) {
if (controls != null && index >= 0 && controls.length > index) {
Control c = controls[index];
if (c instanceof Button)
c.setEnabled(enabled);
}
}
protected abstract void createMainControl(Composite parent, int style, int span);
protected abstract void buttonSelected(Button button, int index);
/*
* @see SharedPart#createControl(Composite, FormWidgetFactory)
*/
public void createControl(Composite parent, int style, int span) {
createMainLabel(parent, span);
createMainControl(parent, style, span - 1);
if (buttonLabels != null && buttonLabels.length > 0) {
buttonContainer = createComposite(parent);
GridData gd = new GridData(GridData.FILL_VERTICAL);
buttonContainer.setLayoutData(gd);
buttonContainer.setLayout(createButtonsLayout());
controls = new Control[buttonLabels.length];
SelectionHandler listener = new SelectionHandler();
for (int i = 0; i < buttonLabels.length; i++) {
String label = buttonLabels[i];
if (label != null) {
Button button = createButton(buttonContainer, label, i);
button.addSelectionListener(listener);
controls[i] = button;
} else {
createEmptySpace(buttonContainer, 1);
}
}
}
}
protected GridLayout createButtonsLayout() {
GridLayout layout = new GridLayout();
layout.marginWidth = layout.marginHeight = 0;
return layout;
}
protected Button createButton(Composite parent, String label, int index) {
Button button = new Button(parent, SWT.PUSH);
button.setText(label);
GridData gd = new GridData(GridData.FILL_HORIZONTAL | GridData.VERTICAL_ALIGN_BEGINNING);
button.setLayoutData(gd);
button.setData(new Integer(index));
return button;
}
protected void updateEnabledState() {
for (int i = 0; i < controls.length; i++) {
Control c = controls[i];
if (c instanceof Button)
c.setEnabled(isEnabled());
}
}
protected void createMainLabel(Composite parent, int span) {
}
}
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