org.eclipse.egit.ui.internal.dialogs.NonDeletedFilesTree.java Source code

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Here is the source code for org.eclipse.egit.ui.internal.dialogs.NonDeletedFilesTree.java

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/*******************************************************************************
 * Copyright (c) 2010 SAP AG.
 * 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:
 *    Mathias Kinzler (SAP AG) - initial implementation
 *******************************************************************************/
package org.eclipse.egit.ui.internal.dialogs;

import java.util.List;

import org.eclipse.egit.ui.UIUtils;
import org.eclipse.egit.ui.internal.UIIcons;
import org.eclipse.egit.ui.internal.UIText;
import org.eclipse.egit.ui.internal.dialogs.FileTreeContentProvider.Mode;
import org.eclipse.jface.layout.GridDataFactory;
import org.eclipse.jface.layout.GridLayoutFactory;
import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.DisposeEvent;
import org.eclipse.swt.events.DisposeListener;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.widgets.MenuItem;
import org.eclipse.swt.widgets.ToolBar;
import org.eclipse.swt.widgets.ToolItem;

/**
 * UI to show a tree with files within a Repository
 */
public class NonDeletedFilesTree extends TreeViewer {

    private final List<String> filePaths;

    /**
     * @param parent
     * @param repository
     * @param pathList
     */
    public NonDeletedFilesTree(Composite parent, Repository repository, List<String> pathList) {
        super(createComposite(parent), SWT.BORDER);
        this.filePaths = pathList;

        Composite main = getTree().getParent();

        GridDataFactory.fillDefaults().grab(true, true).applyTo(getTree());

        final FileTreeContentProvider cp = new FileTreeContentProvider(repository);

        setContentProvider(cp);
        setLabelProvider(new FileTreeLabelProvider());
        setInput(this.filePaths);
        expandAll();

        final ToolBar dropDownBar = new ToolBar(main, SWT.FLAT | SWT.RIGHT);
        GridDataFactory.swtDefaults().align(SWT.BEGINNING, SWT.BEGINNING).grab(false, false).applyTo(dropDownBar);
        final ToolItem dropDownItem = new ToolItem(dropDownBar, SWT.DROP_DOWN);
        Image dropDownImage = UIIcons.HIERARCHY.createImage();
        UIUtils.hookDisposal(dropDownItem, dropDownImage);
        dropDownItem.setImage(dropDownImage);
        final Menu menu = new Menu(dropDownBar);
        dropDownItem.addDisposeListener(new DisposeListener() {

            public void widgetDisposed(DisposeEvent e) {
                menu.dispose();
            }
        });
        dropDownItem.addSelectionListener(new SelectionAdapter() {

            public void widgetSelected(SelectionEvent e) {
                Rectangle b = dropDownItem.getBounds();
                Point p = dropDownItem.getParent().toDisplay(new Point(b.x, b.y + b.height));
                menu.setLocation(p.x, p.y);
                menu.setVisible(true);
            }

        });

        final MenuItem showRepoRelative = new MenuItem(menu, SWT.RADIO);
        showRepoRelative.setText(UIText.NonDeletedFilesTree_RepoRelativePathsButton);
        showRepoRelative.setSelection(true);
        showRepoRelative.addSelectionListener(new SelectionAdapter() {
            @Override
            public void widgetSelected(SelectionEvent e) {
                if (showRepoRelative.getSelection()) {
                    cp.setMode(Mode.REPO_RELATIVE_PATHS);
                    setInput(getInput());
                    expandAll();
                }
            }
        });

        final MenuItem showFull = new MenuItem(menu, SWT.RADIO);
        showFull.setText(UIText.NonDeletedFilesTree_FileSystemPathsButton);
        showFull.addSelectionListener(new SelectionAdapter() {
            @Override
            public void widgetSelected(SelectionEvent e) {
                if (showFull.getSelection()) {
                    cp.setMode(Mode.FULL_PATHS);
                    setInput(getInput());
                    expandAll();
                }
            }
        });

        final MenuItem showResource = new MenuItem(menu, SWT.RADIO);
        showResource.setText(UIText.NonDeletedFilesTree_ResourcePathsButton);
        showResource.addSelectionListener(new SelectionAdapter() {
            @Override
            public void widgetSelected(SelectionEvent e) {
                if (showResource.getSelection()) {
                    cp.setMode(Mode.RESOURCE_PATHS);
                    setInput(getInput());
                    expandAll();
                }
            }
        });
    }

    private static Composite createComposite(Composite parent) {
        Composite main = new Composite(parent, SWT.NONE);
        GridDataFactory.fillDefaults().indent(0, 0).grab(true, true).applyTo(main);
        GridLayoutFactory.fillDefaults().spacing(0, 0).numColumns(2).applyTo(main);
        return main;
    }
}