/*
* Copyright (c) 2006, 2010 Borland Software Corporation 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:
* bblajer - initial API and implementation
*/
package org.eclipse.gmf.tests.lite.gef;
import org.eclipse.draw2d.PositionConstants;
import org.eclipse.draw2d.geometry.Dimension;
import org.eclipse.draw2d.geometry.Point;
import org.eclipse.draw2d.geometry.Rectangle;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.edit.command.SetCommand;
import org.eclipse.emf.transaction.TransactionalEditingDomain;
import org.eclipse.emf.transaction.util.TransactionUtil;
import org.eclipse.gef.GraphicalEditPart;
import org.eclipse.gef.RequestConstants;
import org.eclipse.gef.commands.Command;
import org.eclipse.gef.editparts.ZoomManager;
import org.eclipse.gef.requests.ChangeBoundsRequest;
import org.eclipse.gmf.codegen.gmfgen.GenExternalNodeLabel;
import org.eclipse.gmf.codegen.gmfgen.GenNode;
import org.eclipse.gmf.codegen.gmfgen.GenNodeLabel;
import org.eclipse.gmf.runtime.lite.commands.WrappingCommand;
import org.eclipse.gmf.runtime.lite.preferences.IPreferenceConstants;
import org.eclipse.gmf.runtime.notation.Diagram;
import org.eclipse.gmf.runtime.notation.FontStyle;
import org.eclipse.gmf.runtime.notation.Location;
import org.eclipse.gmf.runtime.notation.Node;
import org.eclipse.gmf.runtime.notation.NotationPackage;
import org.eclipse.gmf.runtime.notation.View;
import org.eclipse.gmf.tests.gef.AbstractDiagramEditorTest;
import org.eclipse.gmf.tests.lite.gen.LiteGeneratorConfiguration;
import org.eclipse.gmf.tests.setup.GeneratedDiagramPlugin;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.jface.preference.PreferenceConverter;
import org.eclipse.swt.graphics.FontData;
import org.eclipse.swt.widgets.Display;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.plugin.AbstractUIPlugin;
public class ExternalNodeLabelsTest extends AbstractDiagramEditorTest {
public ExternalNodeLabelsTest(String name) {
super(name, new LiteGeneratorConfiguration());
PlatformUI.getWorkbench().getEditorRegistry();
}
public void testExternalNodeLabelsPosition() throws Exception {
GenNode nodeB = getSetup().getGenModel().getNodeB();
GenExternalNodeLabel firstExternalNodeLabel = getFirstExternalNodeLabel(nodeB);
assertNotNull("Incorrect setup: expected ", firstExternalNodeLabel);
Node nodeBInstance = createNode(nodeB, getDiagram());
View extLabelInstance = findChildView(nodeBInstance, firstExternalNodeLabel);
assertTrue("External node label was not created automatically", extLabelInstance instanceof Node);
GraphicalEditPart nodeBEP = (GraphicalEditPart) findEditPart(nodeBInstance);
assertNotNull(nodeBEP);
GraphicalEditPart extLabelEP = (GraphicalEditPart) findEditPart(extLabelInstance);
assertNotNull(extLabelEP);
((GraphicalEditPart)getViewerConfiguration().getViewer().getRootEditPart()).getFigure().validate();
checkExternalNodeLabelBounds(nodeBEP, extLabelEP);
ChangeBoundsRequest req = new ChangeBoundsRequest(RequestConstants.REQ_RESIZE);
req.setMoveDelta(new Point(5, 5));
req.setSizeDelta(new Dimension(7, 7));
req.setEditParts(nodeBEP);
req.setResizeDirection(PositionConstants.NORTH_WEST);
Command cmd = nodeBEP.getCommand(req);
assertNotNull("No resize command", cmd);
assertTrue("Can't execute resize command", cmd.canExecute());
getCommandStack().execute(cmd);
((GraphicalEditPart)getViewerConfiguration().getViewer().getRootEditPart()).getFigure().validate();
checkExternalNodeLabelBounds(nodeBEP, extLabelEP);
req.setMoveDelta(new Point(0, 0));
req.setSizeDelta(new Dimension(7, 7));
req.setEditParts(nodeBEP);
req.setResizeDirection(PositionConstants.SOUTH_EAST);
cmd = nodeBEP.getCommand(req);
assertNotNull("No resize command", cmd);
assertTrue("Can't execute resize command", cmd.canExecute());
getCommandStack().execute(cmd);
checkExternalNodeLabelBounds(nodeBEP, extLabelEP);
}
private void checkExternalNodeLabelBounds(GraphicalEditPart nodeEP, GraphicalEditPart extLabelEP) {
Rectangle nodeBounds = nodeEP.getFigure().getBounds();
Rectangle labelBounds = extLabelEP.getFigure().getBounds();
Node extLabelNode = (Node) extLabelEP.getModel();
Location location = (Location) extLabelNode.getLayoutConstraint();
assertNotNull("External label does not have layout constraint", location);
Dimension tolerance = labelBounds.getSize().scale(1.0/3.0);
Point nodeBottom = nodeBounds.getBottom();
Point labelTop = labelBounds.getTop();
assertEquals("Unexpected position of external node label", nodeBottom.x + location.getX(), labelTop.x, tolerance.width);
assertEquals("Unexpected position of external node label", nodeBottom.y + location.getY(), labelTop.y, tolerance.height);
}
private GenExternalNodeLabel getFirstExternalNodeLabel(GenNode genNode) {
for (GenNodeLabel next : genNode.getLabels()) {
if (next instanceof GenExternalNodeLabel) {
return (GenExternalNodeLabel) next;
}
}
return null;
}
public void testExternalNodeLabelsWithZoom() throws Exception {
ZoomManager zoomManager = (ZoomManager) getDiagramEditPart().getViewer().getProperty(ZoomManager.class.toString());
assertNotNull(zoomManager);
zoomManager.setZoom(4.0);
testExternalNodeLabelsPosition();
}
/**
* Makes sure that if font style specifies no font name, the diagram correctly updates when the default font changes.
*/
public void testDefaultFont() throws Exception {
GenNode nodeB = getSetup().getGenModel().getNodeB();
GenExternalNodeLabel firstExternalNodeLabel = getFirstExternalNodeLabel(nodeB);
assertNotNull("Incorrect setup: expected ", firstExternalNodeLabel);
Node nodeBInstance = createNode(nodeB, getDiagram());
View extLabelInstance = findChildView(nodeBInstance, firstExternalNodeLabel);
assertTrue("External node label was not created automatically", extLabelInstance instanceof Node);
GraphicalEditPart nodeBEP = (GraphicalEditPart) findEditPart(nodeBInstance);
assertNotNull(nodeBEP);
GraphicalEditPart extLabelEP = (GraphicalEditPart) findEditPart(extLabelInstance);
assertNotNull(extLabelEP);
FontStyle style = (FontStyle)nodeBInstance.getStyle(NotationPackage.eINSTANCE.getFontStyle());
assertNotNull("Font style should not be null here", style);
TransactionalEditingDomain domain = TransactionUtil.getEditingDomain(style);
org.eclipse.emf.common.command.Command create = SetCommand.create(domain, style, NotationPackage.eINSTANCE.getFontStyle_FontName(), null);
execute(new WrappingCommand(domain, create));
assertNull("Command failed to execute", style.getFontName());
IPreferenceStore preferenceStore;
try {
Class<?> activatorClazz = getSetup().loadGeneratedClass(getSetup().getGenModel().getGenDiagram().getEditorGen().getPlugin().getActivatorQualifiedClassName());
AbstractUIPlugin pluginInstance = (AbstractUIPlugin) activatorClazz.getMethod("getInstance", new Class[0]).invoke(null, new Object[0]);
preferenceStore = pluginInstance.getPreferenceStore();
} catch (Throwable e) {
fail("Failed to obtain default preferences");
return;
}
FontData[] defaultFont = PreferenceConverter.getFontDataArray(preferenceStore, IPreferenceConstants.DEFAULT_FONT);
String defaultName = defaultFont[0].getName();
assertEquals(defaultName, extLabelEP.getFigure().getFont().getFontData()[0].getName());
FontData[] fonts = Display.getDefault().getFontList(null, true);
assertTrue(fonts.length > 1);
int index = (int) (Math.random() * fonts.length);
while (fonts[index].getName().equals(defaultName)) {
index = (int) (Math.random() * fonts.length);
}
PreferenceConverter.setValue(preferenceStore, IPreferenceConstants.DEFAULT_FONT, fonts[index]);
//Check that the font of the label has changed in response.
assertEquals(fonts[index].getName(), extLabelEP.getFigure().getFont().getFontData()[0].getName());
}
@Override
protected Diagram createDiagramView(EObject domainElement, GeneratedDiagramPlugin genPlugin) {
return LiteGeneratorConfiguration.createDiagram(domainElement, genPlugin);
}
}
