/*******************************************************************************
* Copyright (c) 2006-2012
* Software Technology Group, Dresden University of Technology
* DevBoost GmbH, Berlin, Amtsgericht Charlottenburg, HRB 140026
*
* 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:
* Software Technology Group - TU Dresden, Germany;
* DevBoost GmbH - Berlin, Germany
* - initial API and implementation
******************************************************************************/
package org.reuseware.coconut.compositionprogram.diagram.providers;
import java.util.ArrayList;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.emf.ecore.EAnnotation;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EcoreFactory;
import org.eclipse.emf.transaction.util.TransactionUtil;
import org.eclipse.gmf.runtime.common.core.service.AbstractProvider;
import org.eclipse.gmf.runtime.common.core.service.IOperation;
import org.eclipse.gmf.runtime.diagram.core.preferences.PreferencesHint;
import org.eclipse.gmf.runtime.diagram.core.providers.IViewProvider;
import org.eclipse.gmf.runtime.diagram.core.services.view.CreateDiagramViewOperation;
import org.eclipse.gmf.runtime.diagram.core.services.view.CreateEdgeViewOperation;
import org.eclipse.gmf.runtime.diagram.core.services.view.CreateNodeViewOperation;
import org.eclipse.gmf.runtime.diagram.core.services.view.CreateViewForKindOperation;
import org.eclipse.gmf.runtime.diagram.core.services.view.CreateViewOperation;
import org.eclipse.gmf.runtime.diagram.core.util.ViewUtil;
import org.eclipse.gmf.runtime.diagram.ui.preferences.IPreferenceConstants;
import org.eclipse.gmf.runtime.draw2d.ui.figures.FigureUtilities;
import org.eclipse.gmf.runtime.emf.core.util.EMFCoreUtil;
import org.eclipse.gmf.runtime.emf.type.core.IElementType;
import org.eclipse.gmf.runtime.emf.type.core.IHintedType;
import org.eclipse.gmf.runtime.notation.DecorationNode;
import org.eclipse.gmf.runtime.notation.Diagram;
import org.eclipse.gmf.runtime.notation.Edge;
import org.eclipse.gmf.runtime.notation.FontStyle;
import org.eclipse.gmf.runtime.notation.Location;
import org.eclipse.gmf.runtime.notation.MeasurementUnit;
import org.eclipse.gmf.runtime.notation.Node;
import org.eclipse.gmf.runtime.notation.NotationFactory;
import org.eclipse.gmf.runtime.notation.NotationPackage;
import org.eclipse.gmf.runtime.notation.RelativeBendpoints;
import org.eclipse.gmf.runtime.notation.Routing;
import org.eclipse.gmf.runtime.notation.View;
import org.eclipse.gmf.runtime.notation.datatype.RelativeBendpoint;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.jface.preference.PreferenceConverter;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.FontData;
import org.reuseware.coconut.compositionprogram.diagram.edit.parts.CompositionLinkEditPart;
import org.reuseware.coconut.compositionprogram.diagram.edit.parts.CompositionProgramEditPart;
import org.reuseware.coconut.compositionprogram.diagram.edit.parts.FragmentInstanceEditPart;
import org.reuseware.coconut.compositionprogram.diagram.edit.parts.FragmentInstanceNameEditPart;
import org.reuseware.coconut.compositionprogram.diagram.edit.parts.PortInstanceEditPart;
import org.reuseware.coconut.compositionprogram.diagram.edit.parts.PortInstancePortNameEditPart;
import org.reuseware.coconut.compositionprogram.diagram.part.CompositionprogramVisualIDRegistry;
/**
* @generated
*/
public class CompositionprogramViewProvider extends AbstractProvider implements
IViewProvider {
/**
* @generated
*/
public final boolean provides(IOperation operation) {
if (operation instanceof CreateViewForKindOperation) {
return provides((CreateViewForKindOperation) operation);
}
assert operation instanceof CreateViewOperation;
if (operation instanceof CreateDiagramViewOperation) {
return provides((CreateDiagramViewOperation) operation);
} else if (operation instanceof CreateEdgeViewOperation) {
return provides((CreateEdgeViewOperation) operation);
} else if (operation instanceof CreateNodeViewOperation) {
return provides((CreateNodeViewOperation) operation);
}
return false;
}
/**
* @generated
*/
protected boolean provides(CreateViewForKindOperation op) {
/*
if (op.getViewKind() == Node.class)
return getNodeViewClass(op.getSemanticAdapter(), op.getContainerView(), op.getSemanticHint()) != null;
if (op.getViewKind() == Edge.class)
return getEdgeViewClass(op.getSemanticAdapter(), op.getContainerView(), op.getSemanticHint()) != null;
*/
return true;
}
/**
* @generated
*/
protected boolean provides(CreateDiagramViewOperation op) {
return CompositionProgramEditPart.MODEL_ID.equals(op.getSemanticHint())
&& CompositionprogramVisualIDRegistry
.getDiagramVisualID(getSemanticElement(op
.getSemanticAdapter())) != -1;
}
/**
* @generated
*/
protected boolean provides(CreateNodeViewOperation op) {
if (op.getContainerView() == null) {
return false;
}
IElementType elementType = getSemanticElementType(op
.getSemanticAdapter());
EObject domainElement = getSemanticElement(op.getSemanticAdapter());
int visualID;
if (op.getSemanticHint() == null) {
// Semantic hint is not specified. Can be a result of call from CanonicalEditPolicy.
// In this situation there should be NO elementType, visualID will be determined
// by VisualIDRegistry.getNodeVisualID() for domainElement.
if (elementType != null || domainElement == null) {
return false;
}
visualID = CompositionprogramVisualIDRegistry.getNodeVisualID(
op.getContainerView(), domainElement);
} else {
visualID = CompositionprogramVisualIDRegistry.getVisualID(op
.getSemanticHint());
if (elementType != null) {
if (!CompositionprogramElementTypes
.isKnownElementType(elementType)
|| (!(elementType instanceof IHintedType))) {
return false; // foreign element type
}
String elementTypeHint = ((IHintedType) elementType)
.getSemanticHint();
if (!op.getSemanticHint().equals(elementTypeHint)) {
return false; // if semantic hint is specified it should be the same as in element type
}
if (domainElement != null
&& visualID != CompositionprogramVisualIDRegistry
.getNodeVisualID(op.getContainerView(),
domainElement)) {
return false; // visual id for node EClass should match visual id from element type
}
} else {
if (!CompositionProgramEditPart.MODEL_ID
.equals(CompositionprogramVisualIDRegistry
.getModelID(op.getContainerView()))) {
return false; // foreign diagram
}
switch (visualID) {
case FragmentInstanceEditPart.VISUAL_ID:
case PortInstanceEditPart.VISUAL_ID:
if (domainElement == null
|| visualID != CompositionprogramVisualIDRegistry
.getNodeVisualID(op.getContainerView(),
domainElement)) {
return false; // visual id in semantic hint should match visual id for domain element
}
break;
default:
return false;
}
}
}
return FragmentInstanceEditPart.VISUAL_ID == visualID
|| PortInstanceEditPart.VISUAL_ID == visualID;
}
/**
* @generated
*/
protected boolean provides(CreateEdgeViewOperation op) {
IElementType elementType = getSemanticElementType(op
.getSemanticAdapter());
if (!CompositionprogramElementTypes.isKnownElementType(elementType)
|| (!(elementType instanceof IHintedType))) {
return false; // foreign element type
}
String elementTypeHint = ((IHintedType) elementType).getSemanticHint();
if (elementTypeHint == null
|| (op.getSemanticHint() != null && !elementTypeHint.equals(op
.getSemanticHint()))) {
return false; // our hint is visual id and must be specified, and it should be the same as in element type
}
int visualID = CompositionprogramVisualIDRegistry
.getVisualID(elementTypeHint);
EObject domainElement = getSemanticElement(op.getSemanticAdapter());
if (domainElement != null
&& visualID != CompositionprogramVisualIDRegistry
.getLinkWithClassVisualID(domainElement)) {
return false; // visual id for link EClass should match visual id from element type
}
return true;
}
/**
* @generated
*/
public Diagram createDiagram(IAdaptable semanticAdapter,
String diagramKind, PreferencesHint preferencesHint) {
Diagram diagram = NotationFactory.eINSTANCE.createDiagram();
diagram.getStyles().add(NotationFactory.eINSTANCE.createDiagramStyle());
diagram.setType(CompositionProgramEditPart.MODEL_ID);
diagram.setElement(getSemanticElement(semanticAdapter));
diagram.setMeasurementUnit(MeasurementUnit.PIXEL_LITERAL);
return diagram;
}
/**
* @generated
*/
public Node createNode(IAdaptable semanticAdapter, View containerView,
String semanticHint, int index, boolean persisted,
PreferencesHint preferencesHint) {
final EObject domainElement = getSemanticElement(semanticAdapter);
final int visualID;
if (semanticHint == null) {
visualID = CompositionprogramVisualIDRegistry.getNodeVisualID(
containerView, domainElement);
} else {
visualID = CompositionprogramVisualIDRegistry
.getVisualID(semanticHint);
}
switch (visualID) {
case FragmentInstanceEditPart.VISUAL_ID:
return createFragmentInstance_2001(domainElement, containerView,
index, persisted, preferencesHint);
case PortInstanceEditPart.VISUAL_ID:
return createPortInstance_3001(domainElement, containerView, index,
persisted, preferencesHint);
}
// can't happen, provided #provides(CreateNodeViewOperation) is correct
return null;
}
/**
* @generated
*/
public Edge createEdge(IAdaptable semanticAdapter, View containerView,
String semanticHint, int index, boolean persisted,
PreferencesHint preferencesHint) {
IElementType elementType = getSemanticElementType(semanticAdapter);
String elementTypeHint = ((IHintedType) elementType).getSemanticHint();
switch (CompositionprogramVisualIDRegistry.getVisualID(elementTypeHint)) {
case CompositionLinkEditPart.VISUAL_ID:
return createCompositionLink_4001(
getSemanticElement(semanticAdapter), containerView, index,
persisted, preferencesHint);
}
// can never happen, provided #provides(CreateEdgeViewOperation) is correct
return null;
}
/**
* @generated
*/
public Node createFragmentInstance_2001(EObject domainElement,
View containerView, int index, boolean persisted,
PreferencesHint preferencesHint) {
Node node = NotationFactory.eINSTANCE.createNode();
node.getStyles()
.add(NotationFactory.eINSTANCE.createDescriptionStyle());
node.getStyles().add(NotationFactory.eINSTANCE.createFontStyle());
node.getStyles().add(NotationFactory.eINSTANCE.createFillStyle());
node.setLayoutConstraint(NotationFactory.eINSTANCE.createBounds());
node.setType(CompositionprogramVisualIDRegistry
.getType(FragmentInstanceEditPart.VISUAL_ID));
ViewUtil.insertChildView(containerView, node, index, persisted);
node.setElement(domainElement);
stampShortcut(containerView, node);
// initializeFromPreferences
final IPreferenceStore prefStore = (IPreferenceStore) preferencesHint
.getPreferenceStore();
FontStyle nodeFontStyle = (FontStyle) node
.getStyle(NotationPackage.Literals.FONT_STYLE);
if (nodeFontStyle != null) {
FontData fontData = PreferenceConverter.getFontData(prefStore,
IPreferenceConstants.PREF_DEFAULT_FONT);
nodeFontStyle.setFontName(fontData.getName());
nodeFontStyle.setFontHeight(fontData.getHeight());
nodeFontStyle.setBold((fontData.getStyle() & SWT.BOLD) != 0);
nodeFontStyle.setItalic((fontData.getStyle() & SWT.ITALIC) != 0);
org.eclipse.swt.graphics.RGB fontRGB = PreferenceConverter
.getColor(prefStore, IPreferenceConstants.PREF_FONT_COLOR);
nodeFontStyle.setFontColor(FigureUtilities.RGBToInteger(fontRGB)
.intValue());
}
org.eclipse.swt.graphics.RGB fillRGB = PreferenceConverter.getColor(
prefStore, IPreferenceConstants.PREF_FILL_COLOR);
ViewUtil.setStructuralFeatureValue(node,
NotationPackage.eINSTANCE.getFillStyle_FillColor(),
FigureUtilities.RGBToInteger(fillRGB));
Node label5002 = createLabel(node,
CompositionprogramVisualIDRegistry
.getType(FragmentInstanceNameEditPart.VISUAL_ID));
return node;
}
/**
* @generated
*/
public Node createPortInstance_3001(EObject domainElement,
View containerView, int index, boolean persisted,
PreferencesHint preferencesHint) {
Node node = NotationFactory.eINSTANCE.createNode();
node.getStyles()
.add(NotationFactory.eINSTANCE.createDescriptionStyle());
node.getStyles().add(NotationFactory.eINSTANCE.createFontStyle());
node.getStyles().add(NotationFactory.eINSTANCE.createFillStyle());
node.setLayoutConstraint(NotationFactory.eINSTANCE.createBounds());
node.setType(CompositionprogramVisualIDRegistry
.getType(PortInstanceEditPart.VISUAL_ID));
ViewUtil.insertChildView(containerView, node, index, persisted);
node.setElement(domainElement);
// initializeFromPreferences
final IPreferenceStore prefStore = (IPreferenceStore) preferencesHint
.getPreferenceStore();
FontStyle nodeFontStyle = (FontStyle) node
.getStyle(NotationPackage.Literals.FONT_STYLE);
if (nodeFontStyle != null) {
FontData fontData = PreferenceConverter.getFontData(prefStore,
IPreferenceConstants.PREF_DEFAULT_FONT);
nodeFontStyle.setFontName(fontData.getName());
nodeFontStyle.setFontHeight(fontData.getHeight());
nodeFontStyle.setBold((fontData.getStyle() & SWT.BOLD) != 0);
nodeFontStyle.setItalic((fontData.getStyle() & SWT.ITALIC) != 0);
org.eclipse.swt.graphics.RGB fontRGB = PreferenceConverter
.getColor(prefStore, IPreferenceConstants.PREF_FONT_COLOR);
nodeFontStyle.setFontColor(FigureUtilities.RGBToInteger(fontRGB)
.intValue());
}
org.eclipse.swt.graphics.RGB fillRGB = PreferenceConverter.getColor(
prefStore, IPreferenceConstants.PREF_FILL_COLOR);
ViewUtil.setStructuralFeatureValue(node,
NotationPackage.eINSTANCE.getFillStyle_FillColor(),
FigureUtilities.RGBToInteger(fillRGB));
Node label5001 = createLabel(node,
CompositionprogramVisualIDRegistry
.getType(PortInstancePortNameEditPart.VISUAL_ID));
label5001.setLayoutConstraint(NotationFactory.eINSTANCE
.createLocation());
Location location5001 = (Location) label5001.getLayoutConstraint();
location5001.setX(0);
location5001.setY(5);
return node;
}
/**
* @generated
*/
public Edge createCompositionLink_4001(EObject domainElement,
View containerView, int index, boolean persisted,
PreferencesHint preferencesHint) {
Edge edge = NotationFactory.eINSTANCE.createEdge();
edge.getStyles().add(NotationFactory.eINSTANCE.createRoutingStyle());
edge.getStyles().add(NotationFactory.eINSTANCE.createFontStyle());
RelativeBendpoints bendpoints = NotationFactory.eINSTANCE
.createRelativeBendpoints();
ArrayList<RelativeBendpoint> points = new ArrayList<RelativeBendpoint>(
2);
points.add(new RelativeBendpoint());
points.add(new RelativeBendpoint());
bendpoints.setPoints(points);
edge.setBendpoints(bendpoints);
ViewUtil.insertChildView(containerView, edge, index, persisted);
edge.setType(CompositionprogramVisualIDRegistry
.getType(CompositionLinkEditPart.VISUAL_ID));
edge.setElement(domainElement);
// initializePreferences
final IPreferenceStore prefStore = (IPreferenceStore) preferencesHint
.getPreferenceStore();
FontStyle edgeFontStyle = (FontStyle) edge
.getStyle(NotationPackage.Literals.FONT_STYLE);
if (edgeFontStyle != null) {
FontData fontData = PreferenceConverter.getFontData(prefStore,
IPreferenceConstants.PREF_DEFAULT_FONT);
edgeFontStyle.setFontName(fontData.getName());
edgeFontStyle.setFontHeight(fontData.getHeight());
edgeFontStyle.setBold((fontData.getStyle() & SWT.BOLD) != 0);
edgeFontStyle.setItalic((fontData.getStyle() & SWT.ITALIC) != 0);
org.eclipse.swt.graphics.RGB fontRGB = PreferenceConverter
.getColor(prefStore, IPreferenceConstants.PREF_FONT_COLOR);
edgeFontStyle.setFontColor(FigureUtilities.RGBToInteger(fontRGB)
.intValue());
}
Routing routing = Routing.get(prefStore
.getInt(IPreferenceConstants.PREF_LINE_STYLE));
if (routing != null) {
ViewUtil.setStructuralFeatureValue(edge,
NotationPackage.eINSTANCE.getRoutingStyle_Routing(),
routing);
}
return edge;
}
/**
* @generated
*/
private void stampShortcut(View containerView, Node target) {
if (!CompositionProgramEditPart.MODEL_ID
.equals(CompositionprogramVisualIDRegistry
.getModelID(containerView))) {
EAnnotation shortcutAnnotation = EcoreFactory.eINSTANCE
.createEAnnotation();
shortcutAnnotation.setSource("Shortcut"); //$NON-NLS-1$
shortcutAnnotation.getDetails().put(
"modelID", CompositionProgramEditPart.MODEL_ID); //$NON-NLS-1$
target.getEAnnotations().add(shortcutAnnotation);
}
}
/**
* @generated
*/
private Node createLabel(View owner, String hint) {
DecorationNode rv = NotationFactory.eINSTANCE.createDecorationNode();
rv.setType(hint);
ViewUtil.insertChildView(owner, rv, ViewUtil.APPEND, true);
return rv;
}
/**
* @generated
*/
private EObject getSemanticElement(IAdaptable semanticAdapter) {
if (semanticAdapter == null) {
return null;
}
EObject eObject = (EObject) semanticAdapter.getAdapter(EObject.class);
if (eObject != null) {
return EMFCoreUtil.resolve(
TransactionUtil.getEditingDomain(eObject), eObject);
}
return null;
}
/**
* @generated
*/
private IElementType getSemanticElementType(IAdaptable semanticAdapter) {
if (semanticAdapter == null) {
return null;
}
return (IElementType) semanticAdapter.getAdapter(IElementType.class);
}
}