de.ovgu.featureide.ui.ahead.views.outline.JakOutlinePage.java Source code

Introduction

Here is the source code for de.ovgu.featureide.ui.ahead.views.outline.JakOutlinePage.java

Source

/* FeatureIDE - An IDE to support feature-oriented software development
 * Copyright (C) 2005-2012  FeatureIDE team, University of Magdeburg
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see http://www.gnu.org/licenses/.
 *
 * See http://www.fosd.de/featureide/ for further information.
 */
package de.ovgu.featureide.ui.ahead.views.outline;

import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.ui.texteditor.IDocumentProvider;
import org.eclipse.ui.views.contentoutline.ContentOutlinePage;

import de.ovgu.featureide.ui.ahead.editors.JakEditor;
import de.ovgu.featureide.ui.ahead.views.outline.jak.JakLabelProvider;
import de.ovgu.featureide.ui.ahead.views.outline.jak.JakTreeContentProvider;

/**
 * This class is part of the outline. It sets up an new outline page
 * that uses a TreeView to show a part of the jakproject model that
 * has to do with the currently visible file in the text editor.
 * 
 * @author Tom Brosch
 *
 */
public class JakOutlinePage extends ContentOutlinePage {

    protected Object fInput;

    protected IDocumentProvider fDocumentProvider;

    protected JakEditor fTextEditor;

    public JakOutlinePage(IDocumentProvider documentProvider, JakEditor editor) {
        super();

        fDocumentProvider = documentProvider;
        fTextEditor = editor;
    }

    /**
     * Sets the input of the outline page
     * 
     * @param input
     *            the input of this outline page
     */
    public void setInput(Object input) {
        fInput = input;
        update();
    }

    /**
     * Updates the outline page.
     */
    public void update() {
        TreeViewer viewer = getTreeViewer();

        if (viewer != null) {
            Control control = viewer.getControl();
            if (control != null && !control.isDisposed()) {
                control.setRedraw(false);
                viewer.setInput(fInput);
                viewer.expandAll();
                control.setRedraw(true);
            }
        }
    }

    public void createControl(Composite parent) {
        super.createControl(parent);
        TreeViewer viewer = getTreeViewer();
        viewer.setContentProvider(new JakTreeContentProvider());
        viewer.setLabelProvider(new JakLabelProvider());
        viewer.addSelectionChangedListener(this);
        if (fInput != null)
            viewer.setInput(fInput);
        viewer.expandAll();
    }
}