org.eclipse.cdt.internal.ui.text.COutlineInformationControl.java Source code

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Here is the source code for org.eclipse.cdt.internal.ui.text.COutlineInformationControl.java

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/*******************************************************************************
 * Copyright (c) 2005, 2011 QNX Software Systems and others.
 * 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:
 *     QNX Software Systems - initial API and implementation
 *     Sergey Prigogin, Google
 *     Anton Leherbauer (Wind River Systems)
 *     Patrick Hofer (bug #345809)
 *******************************************************************************/
package org.eclipse.cdt.internal.ui.text;

import org.eclipse.jface.action.IMenuManager;
import org.eclipse.jface.action.Separator;
import org.eclipse.jface.viewers.AbstractTreeViewer;
import org.eclipse.jface.viewers.IContentProvider;
import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Tree;

import org.eclipse.cdt.core.model.ICElement;
import org.eclipse.cdt.core.model.ITranslationUnit;
import org.eclipse.cdt.ui.PreferenceConstants;

import org.eclipse.cdt.internal.ui.editor.CContentOutlinerProvider;
import org.eclipse.cdt.internal.ui.editor.LexicalSortingAction;
import org.eclipse.cdt.internal.ui.util.ProblemTreeViewer;
import org.eclipse.cdt.internal.ui.viewsupport.AppearanceAwareLabelProvider;
import org.eclipse.cdt.internal.ui.viewsupport.CElementLabels;
import org.eclipse.cdt.internal.ui.viewsupport.DecoratingCLabelProvider;

/**
 * Control which shows outline information in C/C++ editor. Based on
 * AbstracInformationContol/JavaOutlineInformationControl from JDT.
 * 
 * @author P.Tomaszewski
 */
public class COutlineInformationControl extends AbstractInformationControl {

    private static final long TEXT_FLAGS = AppearanceAwareLabelProvider.DEFAULT_TEXTFLAGS
            | CElementLabels.F_APP_TYPE_SIGNATURE | CElementLabels.M_APP_RETURNTYPE;
    private static final int IMAGE_FLAGS = AppearanceAwareLabelProvider.DEFAULT_IMAGEFLAGS;

    private ICElement fInput = null;

    private IContentProvider fOutlineContentProvider;

    /** The action to toggle sorting */
    private LexicalSortingAction fSortingAction;

    /**
     * Creates new outline control.
     * 
     * @param parent
     *            Shell parent.
     * @param shellStyle
     *            Style of new shell.
     * @param treeStyle
     *            Style of the tree viewer.
     */
    public COutlineInformationControl(Shell parent, int shellStyle, int treeStyle) {
        super(parent, shellStyle, treeStyle, null, false);
    }

    /**
     * {@inheritDoc}
     */
    @Override
    protected TreeViewer createTreeViewer(Composite parent, int treeStyle) {
        TreeViewer treeViewer = new ProblemTreeViewer(parent, treeStyle);
        final Tree tree = treeViewer.getTree();
        tree.setLayoutData(new GridData(GridData.FILL_BOTH));
        fOutlineContentProvider = new CContentOutlinerProvider(treeViewer);
        treeViewer.setContentProvider(fOutlineContentProvider);
        fSortingAction = new LexicalSortingAction(treeViewer, ".isChecked"); //$NON-NLS-1$
        treeViewer.addFilter(new NamePatternFilter());
        long textFlags = TEXT_FLAGS;
        if (PreferenceConstants.getPreferenceStore().getBoolean(PreferenceConstants.OUTLINE_GROUP_MEMBERS))
            textFlags = textFlags | CElementLabels.M_SIMPLE_NAME | CElementLabels.F_SIMPLE_NAME;
        treeViewer.setLabelProvider(
                new DecoratingCLabelProvider(new AppearanceAwareLabelProvider(textFlags, IMAGE_FLAGS), true));
        treeViewer.setAutoExpandLevel(AbstractTreeViewer.ALL_LEVELS);
        return treeViewer;
    }

    /*
     * @see org.eclipse.cdt.internal.ui.text.AbstractInformationControl#getId()
     */
    @Override
    protected String getId() {
        return "org.eclipse.cdt.internal.ui.text.QuickOutline"; //$NON-NLS-1$
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void setInput(Object information) {
        if (information == null || information instanceof String) {
            inputChanged(null, null);
            return;
        }
        ICElement ce = (ICElement) information;
        ITranslationUnit tu = (ITranslationUnit) ce.getAncestor(ICElement.C_UNIT);
        if (tu != null)
            fInput = tu;

        inputChanged(fInput, information);
    }

    /*
     * @see org.eclipse.jdt.internal.ui.text.AbstractInformationControl#fillViewMenu(org.eclipse.jface.action.IMenuManager)
     */
    @Override
    protected void fillViewMenu(IMenuManager viewMenu) {
        super.fillViewMenu(viewMenu);

        viewMenu.add(new Separator("Sorters")); //$NON-NLS-1$
        viewMenu.add(fSortingAction);

    }
}