org.eclipse.cdt.cpp.ui.internal.views.CppViewer.java Source code

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Here is the source code for org.eclipse.cdt.cpp.ui.internal.views.CppViewer.java

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package org.eclipse.cdt.cpp.ui.internal.views;

/*
 * Copyright (c) 2001, 2002 International Business Machines Corporation. All rights reserved.
 * This program and the accompanying materials are made available under the terms of
 * the Common Public License which accompanies this distribution.
 */

import org.eclipse.cdt.dstore.ui.ConvertUtility;
import org.eclipse.cdt.dstore.ui.widgets.*;
import org.eclipse.cdt.dstore.ui.ISelected;
import org.eclipse.cdt.dstore.ui.actions.*;
import org.eclipse.cdt.dstore.core.model.*;
import org.eclipse.cdt.dstore.extra.internal.extra.*;

import java.util.*;
import java.lang.reflect.*;

import org.eclipse.core.resources.*;
import org.eclipse.ui.*;

import org.eclipse.jface.viewers.*;
import org.eclipse.jface.action.*;

import org.eclipse.swt.*;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.*;
import org.eclipse.swt.graphics.*;
import org.eclipse.swt.layout.*;
import org.eclipse.swt.events.*;

public class CppViewer extends TreeViewer implements ISelectionChangedListener, ISelected, ITreeViewerListener {
    private DataElement _selected;
    private DataElement _currentInput;

    public CppViewer(Composite parent) {
        super(parent);
        addSelectionChangedListener(this);
        addTreeListener(this);
    }

    public void fillContextMenu(MenuManager menu) {
        fillContextMenuHelper(menu, getSelected());
    }

    public void fillContextMenuHelper(MenuManager menu, DataElement object) {
    }

    public void fillLocalToolBar(ToolBarManager toolBarManager) {
    }

    public void handleLinkEvent(SelectionChangedEvent event) {
        IStructuredSelection sel = (IStructuredSelection) event.getSelection();
        if (sel.isEmpty())
            return;
        IElement input = null;
        input = (IElement) sel.getFirstElement();

        if (input instanceof DataElement)
            setInput((DataElement) input);
    }

    public void setInput(DataElement input) {
        super.setInput((IElement) input);
        if (input != null) {
            _currentInput = input;
        }
    }

    public void setSelected(DataElement selected) {
        _selected = selected;
    }

    public DataElement getSelected() {
        return _selected;
    }

    public void selectionChanged(SelectionChangedEvent e) {
        DataElement selected = ConvertUtility.convert(e);
        if (selected != null) {
            selected.expandChildren();
            setSelected(selected);
        }
    }

    public void treeCollapsed(TreeExpansionEvent event) {
    }

    public void treeExpanded(TreeExpansionEvent event) {
        DataElement selected = (DataElement) event.getElement();
        if (selected != null) {
            selected.expandChildren();
        }
    }

}