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/*******************************************************************************
* Copyright (c) 2008, 2017 THALES GLOBAL SERVICES and others.
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Obeo - initial API and implementation
*******************************************************************************/
package org.eclipse.sirius.diagram.ui.edit.internal.part;
import java.util.Iterator;
import java.util.LinkedHashSet;
import java.util.Set;
import org.eclipse.draw2d.IFigure;
import org.eclipse.draw2d.Label;
import org.eclipse.draw2d.geometry.Dimension;
import org.eclipse.draw2d.geometry.Rectangle;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.ecore.EAttribute;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.gef.EditPart;
import org.eclipse.gef.EditPolicy;
import org.eclipse.gef.editparts.ZoomManager;
import org.eclipse.gmf.runtime.diagram.ui.editparts.ShapeNodeEditPart;
import org.eclipse.gmf.runtime.diagram.ui.editpolicies.EditPolicyRoles;
import org.eclipse.gmf.runtime.draw2d.ui.figures.IBorderItemLocator;
import org.eclipse.gmf.runtime.gef.ui.figures.DefaultSizeNodeFigure;
import org.eclipse.sirius.common.tools.api.util.StringUtil;
import org.eclipse.sirius.diagram.DDiagramElement;
import org.eclipse.sirius.diagram.DiagramPackage;
import org.eclipse.sirius.diagram.description.DiagramElementMapping;
import org.eclipse.sirius.diagram.ui.edit.api.part.IAbstractDiagramNodeEditPart;
import org.eclipse.sirius.diagram.ui.edit.api.part.IDiagramBorderNodeEditPart;
import org.eclipse.sirius.diagram.ui.graphical.edit.policies.DeleteFromDiagramEditPolicy;
import org.eclipse.sirius.diagram.ui.graphical.edit.policies.HideSiriusElementEditPolicy;
import org.eclipse.sirius.diagram.ui.graphical.edit.policies.LaunchBehaviorToolEditPolicy;
import org.eclipse.sirius.diagram.ui.graphical.edit.policies.LaunchToolEditPolicy;
import org.eclipse.sirius.diagram.ui.graphical.edit.policies.NodeCreationEditPolicy;
import org.eclipse.sirius.diagram.ui.graphical.edit.policies.NodeDeletionEditPolicy;
import org.eclipse.sirius.diagram.ui.graphical.edit.policies.RefreshSiriusElementEditPolicy;
import org.eclipse.sirius.diagram.ui.graphical.edit.policies.SiriusGraphicalNodeEditPolicy;
import org.eclipse.sirius.diagram.ui.graphical.edit.policies.SiriusPopupBarEditPolicy;
import org.eclipse.sirius.diagram.ui.graphical.edit.policies.SiriusPropertyHandlerEditPolicy;
import org.eclipse.sirius.diagram.ui.internal.edit.parts.DNode2EditPart;
import org.eclipse.sirius.diagram.ui.internal.edit.parts.DNode3EditPart;
import org.eclipse.sirius.diagram.ui.internal.edit.parts.DNode4EditPart;
import org.eclipse.sirius.diagram.ui.internal.edit.parts.DNodeEditPart;
import org.eclipse.sirius.diagram.ui.tools.api.graphical.edit.styles.BorderItemLocatorProvider;
import org.eclipse.sirius.diagram.ui.tools.api.graphical.edit.styles.IStyleConfigurationRegistry;
import org.eclipse.sirius.diagram.ui.tools.api.graphical.edit.styles.StyleConfiguration;
import org.eclipse.sirius.diagram.ui.tools.api.part.NodePlateProvider;
import org.eclipse.sirius.diagram.ui.tools.api.policy.CompoundEditPolicy;
import org.eclipse.sirius.diagram.ui.tools.api.requests.RequestConstants;
import org.eclipse.sirius.viewpoint.DStylizable;
import org.eclipse.sirius.viewpoint.Style;
/**
* Implementation of {@link IAbstractDiagramNodeEditPart}.
*
* @author ymortier
*/
public final class AbstractDiagramNodeEditPartOperation {
/**
* Avoid instantiation.
*/
private AbstractDiagramNodeEditPartOperation() {
}
/**
* This method is invoked when an event is thrown.
*
* @param self
* the edit part.
* @param notification
* the notification.
*/
public static void handleNotificationEvent(final IAbstractDiagramNodeEditPart self, final Notification notification) {
Set<EditPart> toRefresh = new LinkedHashSet<>();
if (notification.getEventType() == Notification.SET || notification.getEventType() == Notification.UNSET || notification.getEventType() == Notification.ADD) {
toRefresh.add(self);
}
// To handle REMOVE type as above might have side-effect. Handle it only
// for DDIAGRAM_ELEMENT__GRAPHICAL_FILTERS feature
if (notification.getEventType() == Notification.REMOVE && DiagramPackage.Literals.DDIAGRAM_ELEMENT__GRAPHICAL_FILTERS.equals(notification.getFeature())) {
toRefresh.add(self);
}
if (notification.getEventType() == Notification.SET && notification.getFeature() instanceof EAttribute) {
final EAttribute feature = (EAttribute) notification.getFeature();
if ("visible".equals(feature.getName())) { //$NON-NLS-1$
final EditPart parent = self.getParent();
if (parent != null) {
toRefresh.add(parent);
}
}
}
for (EditPart part : toRefresh) {
AbstractDiagramNodeEditPartOperation.safeRefresh(part);
}
}
private static void safeRefresh(final EditPart editPart) {
if (editPart.getParent() != null) {
editPart.refresh();
}
}
/**
* Installs default edit policies.
*
* @param self
* the edit part instance
*/
public static void createDefaultEditPolicies(final IAbstractDiagramNodeEditPart self) {
self.removeEditPolicy(EditPolicyRoles.POPUPBAR_ROLE);
self.installEditPolicy(EditPolicyRoles.POPUPBAR_ROLE, new SiriusPopupBarEditPolicy());
self.removeEditPolicy(EditPolicy.GRAPHICAL_NODE_ROLE);
self.installEditPolicy(EditPolicy.GRAPHICAL_NODE_ROLE, new SiriusGraphicalNodeEditPolicy());
final CompoundEditPolicy compoundEditPolicy = new CompoundEditPolicy();
compoundEditPolicy.addEditPolicy(new RefreshSiriusElementEditPolicy());
compoundEditPolicy.addEditPolicy(new HideSiriusElementEditPolicy());
compoundEditPolicy.addEditPolicy(new NodeDeletionEditPolicy(self.getEditingDomain()));
compoundEditPolicy.addEditPolicy(new LaunchBehaviorToolEditPolicy());
compoundEditPolicy.addEditPolicy(new DeleteFromDiagramEditPolicy());
self.installEditPolicy(EditPolicy.COMPONENT_ROLE, compoundEditPolicy);
final CompoundEditPolicy compoundEditPolicy2 = new CompoundEditPolicy();
compoundEditPolicy2.addEditPolicy(new NodeCreationEditPolicy());
if (self.getEditPolicy(EditPolicy.CONTAINER_ROLE) != null) {
compoundEditPolicy2.addEditPolicy(self.getEditPolicy(EditPolicy.CONTAINER_ROLE));
self.removeEditPolicy(EditPolicy.CONTAINER_ROLE);
}
self.installEditPolicy(EditPolicy.CONTAINER_ROLE, compoundEditPolicy2);
self.installEditPolicy(RequestConstants.REQ_LAUNCH_TOOL, new LaunchToolEditPolicy());
// Enables Font and Style action
self.removeEditPolicy(EditPolicyRoles.PROPERTY_HANDLER_ROLE);
self.installEditPolicy(EditPolicyRoles.PROPERTY_HANDLER_ROLE, new SiriusPropertyHandlerEditPolicy());
}
/**
* Create a {@link IBorderItemLocator} for the specified figure.
*
* @param self
* the edit part.
* @param figure
* the figure.
* @param vpElementBorderItem
* the view point element to add on the border.
* @return a {@link IBorderItemLocator} for the specified figure.
*/
public static IBorderItemLocator createBorderItemLocator(final IAbstractDiagramNodeEditPart self, final IFigure figure, final DDiagramElement vpElementBorderItem) {
final EObject semantic = self.resolveSemanticElement();
if (semantic instanceof DDiagramElement) {
final DDiagramElement element = (DDiagramElement) semantic;
final DiagramElementMapping mapping = element.getDiagramElementMapping();
final Style style = ((DStylizable) semantic).getStyle();
final StyleConfiguration styleConfiguration = IStyleConfigurationRegistry.INSTANCE.getStyleConfiguration(mapping, style);
final BorderItemLocatorProvider provider = styleConfiguration.getBorderItemLocatorProvider();
return provider.getBorderItemLocator(figure, (DDiagramElement) semantic, vpElementBorderItem);
}
return null;
}
/**
* Set the children size.
*
* @param self
* the IAbstractDiagramNodeEditPart instance
* @param d
* the dimension.
*/
public static void setChildrenSize(final IAbstractDiagramNodeEditPart self, final Dimension d) {
final Iterator<EditPart> it = self.getChildren().iterator();
while (it.hasNext()) {
final EditPart child = it.next();
if (child instanceof ShapeNodeEditPart && !AbstractDiagramNodeEditPartOperation.isBordered(child)) {
((ShapeNodeEditPart) child).getContentPane().setSize(d.width, d.height);
((ShapeNodeEditPart) child).getContentPane().setMinimumSize(d);
((ShapeNodeEditPart) child).getContentPane().setMaximumSize(d);
((ShapeNodeEditPart) child).getContentPane().setPreferredSize(d);
((ShapeNodeEditPart) child).getFigure().setSize(d.width, d.height);
((ShapeNodeEditPart) child).getFigure().setMinimumSize(d);
((ShapeNodeEditPart) child).getFigure().setMaximumSize(d);
((ShapeNodeEditPart) child).getFigure().setPreferredSize(d);
((ShapeNodeEditPart) child).getContentPane().setBounds(new Rectangle(((ShapeNodeEditPart) child).getContentPane().getBounds().getLocation(), d));
// we should not set the layout on a ViewNode2EditPart
// or we'll get a classcast exception
self.setLayoutConstraint(child, ((ShapeNodeEditPart) child).getFigure(), new Rectangle(0, 0, d.width, d.height));
}
if (child instanceof NodePlateProvider && ((NodePlateProvider) child).getNodePlate() != null) {
((NodePlateProvider) child).getNodePlate().setSize(d.width, d.height);
((NodePlateProvider) child).getNodePlate().setMaximumSize(d);
((NodePlateProvider) child).getNodePlate().setMinimumSize(d);
((NodePlateProvider) child).getNodePlate().setPreferredSize(d);
}
}
}
/**
* Check if an editPart is a bordered edit part.
*
* @param editPart
* the editPart to test
* @return <code>true</code> if the editPart is a bordered Edit part, <code>false</code> otherwise
*/
public static boolean isBordered(final EditPart editPart) {
return editPart instanceof IDiagramBorderNodeEditPart;
}
/**
* Return the node plate of the edit part.
*
* @param viewNodeEditPart
* the edit part
* @return the node plate of the edit part.
*/
public static DefaultSizeNodeFigure getNodePlate(final IAbstractDiagramNodeEditPart viewNodeEditPart) {
IFigure nodePlate = null;
if (viewNodeEditPart instanceof DNode2EditPart) {
nodePlate = ((DNode2EditPart) viewNodeEditPart).getNodePlate();
} else if (viewNodeEditPart instanceof DNode3EditPart) {
nodePlate = ((DNode3EditPart) viewNodeEditPart).getNodePlate();
} else if (viewNodeEditPart instanceof DNodeEditPart) {
nodePlate = ((DNodeEditPart) viewNodeEditPart).getNodePlate();
} else if (viewNodeEditPart instanceof DNode4EditPart) {
nodePlate = ((DNode4EditPart) viewNodeEditPart).getNodePlate();
}
return (DefaultSizeNodeFigure) nodePlate;
}
/**
* Sets the tooltip of an {@link IAbstractDiagramNodeEditPart} to the specified text.
*
* @param self
* the IAbstractDiagramNodeEditPart
* @param text
* the tooltip's text.
*/
public static void setTooltipText(final IAbstractDiagramNodeEditPart self, final String text) {
if (!StringUtil.isEmpty(text)) {
final IFigure tt = self.getFigure().getToolTip();
if (tt instanceof Label) {
((Label) tt).setText(text);
} else {
self.getFigure().setToolTip(new Label(text));
}
} else {
self.getFigure().setToolTip(null);
}
}
/**
* Get the zoom manager.
*
* @param self
* the IAbstractDiagramNodeEditPart
* @return the zoom manager
*/
public static ZoomManager getZoomManager(final IAbstractDiagramNodeEditPart self) {
return (ZoomManager) self.getViewer().getProperty(ZoomManager.class.toString());
}
}
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