de.quamoco.qm.editor.pages.SelectionViewerPane.java Source code

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Here is the source code for de.quamoco.qm.editor.pages.SelectionViewerPane.java

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/*-------------------------------------------------------------------------+
|                                                                          |
| Copyright 2012 Technische Universitaet Muenchen and                      |
| Fraunhofer-Institut fuer Experimentelles Software Engineering (IESE)     |
|                                                                          |
| Licensed under the Apache License, Version 2.0 (the "License");          |
| you may not use this file except in compliance with the License.         |
| You may obtain a copy of the License at                                  |
|                                                                          |
|    http://www.apache.org/licenses/LICENSE-2.0                            |
|                                                                          |
| Unless required by applicable law or agreed to in writing, software      |
| distributed under the License is distributed on an "AS IS" BASIS,        |
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| See the License for the specific language governing permissions and      |
| limitations under the License.                                           |
|                                                                          |
+-------------------------------------------------------------------------*/

package de.quamoco.qm.editor.pages;

import org.eclipse.emf.common.notify.AdapterFactory;
import org.eclipse.emf.common.ui.ViewerPane;
import org.eclipse.emf.edit.domain.EditingDomain;
import org.eclipse.emf.edit.ui.celleditor.AdapterFactoryTreeEditor;
import org.eclipse.emf.edit.ui.provider.AdapterFactoryContentProvider;
import org.eclipse.emf.edit.ui.provider.AdapterFactoryLabelProvider;
import org.eclipse.jface.viewers.DecoratingLabelProvider;
import org.eclipse.jface.viewers.DelegatingStyledCellLabelProvider;
import org.eclipse.jface.viewers.ILabelProvider;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.ui.PlatformUI;

import de.quamoco.qm.QmPackage;
import de.quamoco.qm.editor.CustomLabelProvider;
import de.quamoco.qm.editor.CustomQmEditor;
import de.quamoco.qm.editor.util.LabelProviderViewerSorter;
import edu.tum.cs.emf.commons.validation.view.ProblemLabelDecorator;

/**
 * Pane that displays the selection hierarchy.
 * 
 * @author herrmama
 * @author $Author: lochmann $
 * @version $Rev: 4974 $
 * @levd.rating YELLOW Hash: 28BE67AF2F4769F3D9D1846A06735830
 */
public class SelectionViewerPane extends ViewerPane {

    /** The parent editor. */
    private final CustomQmEditor editor;

    /** The {@link TreeViewer} displaying the selection viewer. */
    private TreeViewer treeViewer;

    /** Constructor. */
    public SelectionViewerPane(CustomQmEditor editor) {
        super(editor.getSite().getPage(), editor);
        this.editor = editor;
        setTitle(editor.getEditingDomain().getResourceSet());
    }

    /** {@inheritDoc} */
    @Override
    public Viewer createViewer(Composite composite) {
        TreeViewer treeViewer = new TreeViewer(composite, SWT.MULTI);
        PlatformUI.getWorkbench().getHelpSystem().setHelp(treeViewer.getTree(), "de.quamoco.qm.help.Selection");
        return treeViewer;
    }

    /** {@inheritDoc} */
    @Override
    public void requestActivation() {
        super.requestActivation();
        editor.setCurrentViewerPane(this);
    }

    /** {@inheritDoc} */
    @Override
    public void createControl(Composite parent) {
        super.createControl(parent);

        createTreeViewer();
    }

    /** Create the {@link TreeViewer} of this pane. */
    private void createTreeViewer() {
        AdapterFactory adapterFactory = editor.getAdapterFactory();
        EditingDomain editingDomain = editor.getEditingDomain();

        treeViewer = getViewer();
        treeViewer.setContentProvider(new AdapterFactoryContentProvider(adapterFactory));

        ILabelProvider lp = new AdapterFactoryLabelProvider.ColorProvider(adapterFactory, treeViewer);
        lp = new DecoratingLabelProvider(lp, new ProblemLabelDecorator(true));
        CustomLabelProvider clp = new CustomLabelProvider(lp);

        treeViewer.setLabelProvider(new DelegatingStyledCellLabelProvider(clp));
        treeViewer.setInput(editingDomain.getResourceSet());
        treeViewer.setSelection(new StructuredSelection(editingDomain.getResourceSet().getResources().get(0)),
                true);
        treeViewer.setSorter(new LabelProviderViewerSorter(clp, false, QmPackage.eINSTANCE.getEntity(),
                QmPackage.eINSTANCE.getFactor(), QmPackage.eINSTANCE.getMeasure(), QmPackage.eINSTANCE.getSource(),
                QmPackage.eINSTANCE.getTag(), QmPackage.eINSTANCE.getTool(), QmPackage.eINSTANCE.getEvaluation(),
                QmPackage.eINSTANCE.getMeasurementMethod()));

        new AdapterFactoryTreeEditor(treeViewer.getTree(), adapterFactory);
    }

    /** {@inheritDoc} */
    @Override
    public TreeViewer getViewer() {
        return (TreeViewer) super.getViewer();
    }
}