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/*******************************************************************************
* Copyright (c) 2007, 2011 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.debug.internal.ui;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.viewers.DoubleClickEvent;
import org.eclipse.jface.viewers.IDoubleClickListener;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.jface.viewers.StructuredViewer;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Shell;
/**
* This class provides a simple selection dialog displaying items in a table.
*
* @since 3.3
*/
public abstract class AbstractDebugListSelectionDialog extends AbstractDebugSelectionDialog {
protected TableViewer fListViewer;
/**
* Constructor
* @param parentShell the parent shell
*/
public AbstractDebugListSelectionDialog(Shell parentShell) {
super(parentShell);
setShellStyle(getShellStyle() | SWT.RESIZE);
}
/* (non-Javadoc)
* @see org.eclipse.debug.internal.ui.AbstractDebugSelectionDialog#createViewer(org.eclipse.swt.widgets.Composite)
*/
@Override
protected StructuredViewer createViewer(Composite parent){
//by default return a table viewer
fListViewer = new TableViewer(parent, SWT.SINGLE | SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER);
GridData gd = new GridData(GridData.FILL_BOTH);
gd.heightHint = 150;
fListViewer.getTable().setLayoutData(gd);
return fListViewer;
}
/* (non-Javadoc)
* @see org.eclipse.debug.internal.ui.launchConfigurations.AbstractDebugSelectionDialog#addViewerListeners(org.eclipse.jface.viewers.StructuredViewer)
*/
@Override
protected void addViewerListeners(StructuredViewer viewer) {
viewer.addSelectionChangedListener(new ISelectionChangedListener(){
@Override
public void selectionChanged(SelectionChangedEvent event) {
getButton(IDialogConstants.OK_ID).setEnabled(isValid());
}
});
viewer.addDoubleClickListener(new IDoubleClickListener(){
@Override
public void doubleClick(DoubleClickEvent event) {
if (isValid()){
okPressed();
}
}
});
}
/* (non-Javadoc)
* @see org.eclipse.debug.internal.ui.AbstractDebugSelectionDialog#isValid()
*/
@Override
protected boolean isValid() {
if(fListViewer != null) {
ISelection sel = fListViewer.getSelection();
if(sel instanceof IStructuredSelection) {
return ((IStructuredSelection)sel).size() == 1;
}
}
return false;
}
/* (non-Javadoc)
* @see org.eclipse.jface.dialogs.Dialog#okPressed()
*/
@Override
protected void okPressed() {
ISelection selection = fViewer.getSelection();
if (selection instanceof IStructuredSelection) {
setResult(((IStructuredSelection) selection).toList());
}
super.okPressed();
}
}
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