com.astra.ses.spell.gui.views.controls.callstack.CallStackPage.java Source code

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Here is the source code for com.astra.ses.spell.gui.views.controls.callstack.CallStackPage.java

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///////////////////////////////////////////////////////////////////////////////
//
// PACKAGE   : com.astra.ses.spell.gui.views.controls.callstack
// 
// FILE      : CallStackPage.java
//
// DATE      : 2010-09-01
//
// Copyright (C) 2008, 2012 SES ENGINEERING, Luxembourg S.A.R.L.
//
// By using this software in any way, you are agreeing to be bound by
// the terms of this license.
//
// 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
//
// NO WARRANTY
// EXCEPT AS EXPRESSLY SET FORTH IN THIS AGREEMENT, THE PROGRAM IS PROVIDED
// ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, EITHER
// EXPRESS OR IMPLIED INCLUDING, WITHOUT LIMITATION, ANY WARRANTIES OR
// CONDITIONS OF TITLE, NON-INFRINGEMENT, MERCHANTABILITY OR FITNESS FOR A
// PARTICULAR PURPOSE. Each Recipient is solely responsible for determining
// the appropriateness of using and distributing the Program and assumes all
// risks associated with its exercise of rights under this Agreement ,
// including but not limited to the risks and costs of program errors,
// compliance with applicable laws, damage to or loss of data, programs or
// equipment, and unavailability or interruption of operations.
//
// DISCLAIMER OF LIABILITY
// EXCEPT AS EXPRESSLY SET FORTH IN THIS AGREEMENT, NEITHER RECIPIENT NOR ANY
// CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING WITHOUT LIMITATION
// LOST PROFITS), HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OR DISTRIBUTION OF THE PROGRAM OR THE
// EXERCISE OF ANY RIGHTS GRANTED HEREUNDER, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGES.
//
// Contributors:
//    SES ENGINEERING - initial API and implementation and/or initial documentation
//
// PROJECT   : SPELL
//
// SUBPROJECT: SPELL GUI Client
//
///////////////////////////////////////////////////////////////////////////////
package com.astra.ses.spell.gui.views.controls.callstack;

import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.viewers.ViewerFilter;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.ui.part.Page;

import com.astra.ses.spell.gui.core.interfaces.ServiceManager;
import com.astra.ses.spell.gui.model.callstack.CallstackContentProvider;
import com.astra.ses.spell.gui.model.callstack.CallstackLabelProvider;
import com.astra.ses.spell.gui.model.callstack.CallstackNode;
import com.astra.ses.spell.gui.procs.interfaces.IProcedureManager;

/******************************************************************************
 * 
 * Call stack page shows the focused procedure call stack tree view
 * 
 *****************************************************************************/
public class CallStackPage extends Page {

    /** Tree viewer */
    private TreeViewer m_viewer;
    /** Proc id */
    private String m_procId;
    /** Finished nodes filter */
    private static final ViewerFilter FINISHED_NODES_FILTER;

    /**
     * Static block to initialize the filters
     */
    static {
        FINISHED_NODES_FILTER = new ViewerFilter() {
            @Override
            public boolean select(Viewer viewer, Object parentElement, Object element) {
                CallstackNode node = (CallstackNode) element;
                boolean finished = node.isFinished();
                return !finished;
            }
        };
    }

    /***************************************************************************
     * Constructor
     * 
     * @param procId
     **************************************************************************/
    public CallStackPage(String procId) {
        m_procId = procId;
    }

    @Override
    public void createControl(Composite parent) {
        m_viewer = new TreeViewer(parent);
        m_viewer.setContentProvider(new CallstackContentProvider());
        m_viewer.setLabelProvider(new CallstackLabelProvider());
        // Set the input
        IProcedureManager mgr = (IProcedureManager) ServiceManager.get(IProcedureManager.class);
        m_viewer.setInput(mgr.getProcedure(m_procId));
    }

    @Override
    public Control getControl() {
        return m_viewer.getControl();
    }

    @Override
    public void setFocus() {
        m_viewer.refresh();
        m_viewer.getControl().setFocus();
    }

    /***************************************************************************
     * Apply finished nodes filter
     * 
     * @param apply
     *            true if nodes should be visible, false otherwise
     **************************************************************************/
    public void setFinishedFilter(boolean apply) {
        ViewerFilter[] filters = new ViewerFilter[] {};
        if (apply) {
            filters = new ViewerFilter[] { FINISHED_NODES_FILTER };
        }
        m_viewer.setFilters(filters);
    }
}