/*******************************************************************************
* Copyright (C) 2012, Mathias Kinzler <mathias.kinzler@sap.com>
* and other copyright owners as documented in the project's IP log.
*
* 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
**/
package org.eclipse.egit.ui.internal.dialogs;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.egit.ui.internal.UIText;
import org.eclipse.jface.dialogs.TitleAreaDialog;
import org.eclipse.jface.layout.GridDataFactory;
import org.eclipse.jface.layout.GridLayoutFactory;
import org.eclipse.jface.viewers.ArrayContentProvider;
import org.eclipse.jface.viewers.DoubleClickEvent;
import org.eclipse.jface.viewers.IDoubleClickListener;
import org.eclipse.jface.viewers.ILabelProviderListener;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.LabelProviderChangedEvent;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jgit.revwalk.RevCommit;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Table;
import org.eclipse.swt.widgets.TableColumn;
/**
* Allows to select a single commit from a list of {@link RevCommit}s. The
* commits are shown in the order in which they are passed.
*/
public class CommitSelectDialog extends TitleAreaDialog {
private final List<RevCommit> commits = new ArrayList<>();
private RevCommit selected;
/**
* @param parent
* @param commits
**/
public CommitSelectDialog(Shell parent, List<RevCommit> commits) {
super(parent);
setShellStyle(getShellStyle() | SWT.SHELL_TRIM);
this.commits.addAll(commits);
setHelpAvailable(false);
}
/**
* @return the selected commit
*/
public RevCommit getSelectedCommit() {
return selected;
}
@Override
protected Control createDialogArea(Composite parent) {
Composite main = new Composite(parent, SWT.NONE);
GridLayoutFactory.fillDefaults().applyTo(main);
GridDataFactory.fillDefaults().grab(true, true).applyTo(main);
final TableViewer tv = new TableViewer(main,
SWT.SINGLE | SWT.BORDER
| SWT.FULL_SELECTION);
GridDataFactory.fillDefaults().grab(true, true)
.applyTo(tv.getControl());
tv.setContentProvider(ArrayContentProvider.getInstance());
CommitLabelProvider labelProvider = new CommitLabelProvider();
labelProvider.addListener(new ILabelProviderListener() {
@Override
public void labelProviderChanged(LabelProviderChangedEvent event) {
tv.refresh();
}
});
tv.setLabelProvider(labelProvider);
Table table = tv.getTable();
TableColumn c0 = new TableColumn(table, SWT.NONE);
c0.setWidth(70);
c0.setText(UIText.CommitSelectDialog_IdColumn);
TableColumn c1 = new TableColumn(table, SWT.NONE);
c1.setWidth(200);
c1.setText(UIText.CommitSelectDialog_MessageColumn);
TableColumn c2 = new TableColumn(table, SWT.NONE);
c2.setWidth(200);
c2.setText(UIText.CommitSelectDialog_AuthoColumn);
TableColumn c3 = new TableColumn(table, SWT.NONE);
c3.setWidth(150);
c3.setText(UIText.CommitSelectDialog_DateColumn);
tv.setInput(commits);
table.setHeaderVisible(true);
tv.addSelectionChangedListener(new ISelectionChangedListener() {
@Override
public void selectionChanged(SelectionChangedEvent event) {
if (!event.getSelection().isEmpty())
selected = (RevCommit) ((IStructuredSelection) event
.getSelection()).getFirstElement();
else
selected = null;
getButton(OK).setEnabled(selected != null);
}
});
tv.addDoubleClickListener(new IDoubleClickListener() {
@Override
public void doubleClick(DoubleClickEvent event) {
okPressed();
}
});
return main;
}
@Override
public void create() {
super.create();
setTitle(UIText.CommitSelectDialog_Title);
setMessage(UIText.CommitSelectDialog_Message);
getButton(OK).setEnabled(false);
}
@Override
protected void configureShell(Shell newShell) {
super.configureShell(newShell);
newShell.setText(UIText.CommitSelectDialog_WindowTitle);
}
}