Coverage report

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com.bonevich.eclipse.cvsgrapher.editors.AbstractCvsGraphNodeEditPart
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 1   
 /* ====================================================================
 2   
  * The Apache Software License, Version 1.1
 3   
  *
 4   
  * Copyright (c) 2000 The Apache Software Foundation.  All rights
 5   
  * reserved.
 6   
  *
 7   
  * Redistribution and use in source and binary forms, with or without
 8   
  * modification, are permitted provided that the following conditions
 9   
  * are met:
 10   
  *
 11   
  * 1. Redistributions of source code must retain the above copyright
 12   
  *    notice, this list of conditions and the following disclaimer.
 13   
  *
 14   
  * 2. Redistributions in binary form must reproduce the above copyright
 15   
  *    notice, this list of conditions and the following disclaimer in
 16   
  *    the documentation and/or other materials provided with the
 17   
  *    distribution.
 18   
  *
 19   
  * 3. The end-user documentation included with the redistribution,
 20   
  *    if any, must include the following acknowledgment:
 21   
  *       "This product includes software developed by the
 22   
  *        Apache Software Foundation (http://www.apache.org/)."
 23   
  *    Alternately, this acknowledgment may appear in the software itself,
 24   
  *    if and wherever such third-party acknowledgments normally appear.
 25   
  *
 26   
  * 4. The names "Apache" and "Apache Software Foundation" must
 27   
  *    not be used to endorse or promote products derived from this
 28   
  *    software without prior written permission. For written
 29   
  *    permission, please contact apache@apache.org.
 30   
  *
 31   
  * 5. Products derived from this software may not be called "Apache",
 32   
  *    nor may "Apache" appear in their name, without prior written
 33   
  *    permission of the Apache Software Foundation.
 34   
  *
 35   
  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 36   
  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 37   
  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 38   
  * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
 39   
  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 40   
  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 41   
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 42   
  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 43   
  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 44   
  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 45   
  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 46   
  * SUCH DAMAGE.
 47   
  * ====================================================================
 48   
  *
 49   
  * This software consists of voluntary contributions made by many
 50   
  * individuals on behalf of the Apache Software Foundation.  For more
 51   
  * information on the Apache Software Foundation, please see
 52   
  * <http://www.apache.org/>.
 53   
  *
 54   
  * Portions of this software are based upon public domain software
 55   
  * originally written at the National Center for Supercomputing Applications,
 56   
  * University of Illinois, Urbana-Champaign.
 57   
  */
 58   
 package com.bonevich.eclipse.cvsgrapher.editors;
 59   
 
 60   
 import com.bonevich.eclipse.cvsgrapher.model.ICvsGraphNodeModel;
 61   
 
 62   
 import org.eclipse.draw2d.ConnectionAnchor;
 63   
 import org.eclipse.draw2d.geometry.Point;
 64   
 import org.eclipse.draw2d.geometry.Rectangle;
 65   
 import org.eclipse.gef.ConnectionEditPart;
 66   
 import org.eclipse.gef.GraphicalEditPart;
 67   
 import org.eclipse.gef.Request;
 68   
 import org.eclipse.gef.editparts.AbstractGraphicalEditPart;
 69   
 import org.eclipse.swt.SWT;
 70   
 import org.eclipse.swt.graphics.Font;
 71   
 
 72   
 import java.beans.PropertyChangeEvent;
 73   
 import java.beans.PropertyChangeListener;
 74   
 import java.util.List;
 75   
 
 76   
 /**
 77   
  * Base class for node (version, branch) controller edit parts.
 78   
  *
 79   
  * @author jbonevic
 80   
  */
 81  0 
 public abstract class AbstractCvsGraphNodeEditPart
 82   
 	extends AbstractGraphicalEditPart
 83   
 	implements ICvsGraphNodeEditPart, PropertyChangeListener
 84   
 {
 85  0 
 	protected static final Font VERSION   = new Font(null, "Helvetica", 10, SWT.BOLD);
 86  0 
 	protected static final Font INFO = new Font(null, "Helvetica", 8, SWT.NORMAL);
 87   
 
 88   
 	/** The figure's anchor. */
 89   
 	private ConnectionAnchor _anchor;
 90   
 
 91   
 	/**
 92   
 	 * Solely to intercept events in the graph. This way the model objects are
 93   
 	 * not sullied with view information (location, size).
 94   
 	 */
 95   
 	private CvsGraphNodeViewHelper _helper;
 96   
 
 97   
 	/**
 98   
 	 * @see org.eclipse.gef.editparts.AbstractEditPart#createEditPolicies()
 99   
 	 */
 100   
 	protected void createEditPolicies()
 101   
 	{
 102   
 		// For some reasons I do not quite understand, the
 103   
 		// CvsGraphXYLayoutEditPolicy.createChildEditPolicy() must be
 104   
 		// used instead of a PRIMARY_DRAG_ROLE edit policy here.
 105  0 
 	}
 106   
 
 107   
 	/**
 108   
 	 * @see org.eclipse.gef.editparts.AbstractEditPart#refreshVisuals()
 109   
 	 */
 110   
 	protected void refreshVisuals()
 111   
 	{
 112   
 //		System.out.println("[AbstractCvsGraphNodeEditPart] refreshVisuals");
 113  0 
 		Point loc = _helper.getLocation();
 114   
 //		System.out.println("[AbstractCvsGraphNodeEditPart] refreshVisuals: location = " + loc);
 115  0 
 		if (loc != null)
 116   
 		{
 117  0 
 			Rectangle r = new Rectangle(loc, CvsGraphNodeViewHelper.PREFERRED_SIZE);
 118  0 
 			((GraphicalEditPart) getParent()).setLayoutConstraint(this, getFigure(), r);
 119   
 		}
 120  0 
 	}
 121   
 
 122   
 	/**
 123   
 	 * @see java.beans.PropertyChangeListener#propertyChange(PropertyChangeEvent)
 124   
 	 */
 125   
 	public void propertyChange(PropertyChangeEvent evt)
 126   
 	{
 127  0 
 		String prop = evt.getPropertyName();
 128  0 
 		if (prop.equals("size") || prop.equals("location"))
 129   
 		{
 130  0 
 			refreshVisuals();
 131   
 		}
 132  0 
 	}
 133   
 
 134   
 	/**
 135   
 	 * @see org.eclipse.gef.EditPart#activate()
 136   
 	 */
 137   
 	public void activate()
 138   
 	{
 139  0 
 		if (isActive() == false)
 140   
 		{
 141  0 
 			super.activate();
 142  0 
 			_helper.addPropertyChangeListener(this);
 143   
 		}
 144  0 
 	}
 145   
 
 146   
 	/**
 147   
 	 * @see org.eclipse.gef.EditPart#deactivate()
 148   
 	 */
 149   
 	public void deactivate()
 150   
 	{
 151  0 
 		if (isActive())
 152   
 		{
 153  0 
 			super.deactivate();
 154  0 
 			_helper.removePropertyChangeListener(this);
 155   
 		}
 156  0 
 	}
 157   
 
 158   
 	/**
 159   
 	 * @see org.eclipse.gef.editparts.AbstractGraphicalEditPart#getModelSourceConnections()
 160   
 	 */
 161   
 	protected List getModelSourceConnections()
 162   
 	{
 163  0 
 		return getNodeModel().getSourceConnections();
 164   
 	}
 165   
 
 166   
 	protected ICvsGraphNodeModel getNodeModel()
 167   
 	{
 168  0 
 		return ((ICvsGraphNodeModel) getModel());
 169   
 	}
 170   
 
 171   
 	/**
 172   
 	 * @see org.eclipse.gef.editparts.AbstractGraphicalEditPart#getModelTargetConnections()
 173   
 	 */
 174   
 	protected List getModelTargetConnections()
 175   
 	{
 176  0 
 		return getNodeModel().getTargetConnections();
 177   
 	}
 178   
 
 179   
 	/**
 180   
 	 * @see org.eclipse.gef.editparts.AbstractEditPart#createConnection(Object)
 181   
 	 */
 182   
 	protected ConnectionEditPart createConnection(Object iModel)
 183   
 	{
 184   
 		// The line below is based on Logical Diagram Editor's LogicEditPart.createConnection()
 185   
 		// It looks like an EditPart cache mechanism for EditPart connections, but I need
 186   
 		// to make sure of that...
 187  0 
 		CvsGraphConnectionEditPart connectPart =
 188   
 			(CvsGraphConnectionEditPart) getRoot().getViewer().getEditPartRegistry().get(iModel);
 189  0 
 		if (connectPart == null)
 190   
 		{
 191  0 
 			connectPart = new CvsGraphConnectionEditPart();
 192  0 
 			connectPart.setModel(iModel);
 193   
 		}
 194   
 
 195  0 
 		return connectPart;
 196   
 	}
 197   
 
 198   
 	/**
 199   
 	 * @see org.eclipse.gef.NodeEditPart#getSourceConnectionAnchor(ConnectionEditPart)
 200   
 	 */
 201   
 	public ConnectionAnchor getSourceConnectionAnchor(ConnectionEditPart connection)
 202   
 	{
 203  0 
 		return _anchor;
 204   
 	}
 205   
 
 206   
 	/**
 207   
 	 * @see org.eclipse.gef.NodeEditPart#getSourceConnectionAnchor(Request)
 208   
 	 */
 209   
 	public ConnectionAnchor getSourceConnectionAnchor(Request request)
 210   
 	{
 211  0 
 		return null;
 212   
 	}
 213   
 
 214   
 	/**
 215   
 	 * @see org.eclipse.gef.NodeEditPart#getTargetConnectionAnchor(ConnectionEditPart)
 216   
 	 */
 217   
 	public ConnectionAnchor getTargetConnectionAnchor(ConnectionEditPart connection)
 218   
 	{
 219  0 
 		return _anchor;
 220   
 	}
 221   
 
 222   
 	/**
 223   
 	 * @see org.eclipse.gef.NodeEditPart#getTargetConnectionAnchor(Request)
 224   
 	 */
 225   
 	public ConnectionAnchor getTargetConnectionAnchor(Request request)
 226   
 	{
 227  0 
 		return null;
 228   
 	}
 229   
 
 230   
 	protected void setViewHelper(CvsGraphNodeViewHelper helper)
 231   
 	{
 232  0 
 		_helper = helper;
 233  0 
 	}
 234   
 
 235   
 	public CvsGraphNodeViewHelper getViewHelper()
 236   
 	{
 237  0 
 		return _helper;
 238   
 	}
 239   
 
 240   
 	protected void setAnchor(ConnectionAnchor anchor)
 241   
 	{
 242  0 
 		_anchor = anchor;
 243  0 
 	}
 244   
 
 245   
 }

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