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/*******************************************************************************
* <copyright>
*
* Copyright (c) 2005, 2012 SAP AG.
* 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:
* Stefan Dimov - initial API, implementation and documentation
*
* </copyright>
*
*******************************************************************************/
package org.eclipse.jpt.jpadiagrameditor.ui.internal.feature;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import org.eclipse.emf.transaction.RecordingCommand;
import org.eclipse.emf.transaction.TransactionalEditingDomain;
import org.eclipse.emf.transaction.util.TransactionUtil;
import org.eclipse.graphiti.features.IFeatureProvider;
import org.eclipse.graphiti.features.context.IAddContext;
import org.eclipse.graphiti.features.context.impl.AddContext;
import org.eclipse.graphiti.features.impl.AbstractAddShapeFeature;
import org.eclipse.graphiti.mm.algorithms.Image;
import org.eclipse.graphiti.mm.algorithms.Polyline;
import org.eclipse.graphiti.mm.algorithms.Rectangle;
import org.eclipse.graphiti.mm.algorithms.RoundedRectangle;
import org.eclipse.graphiti.mm.algorithms.Text;
import org.eclipse.graphiti.mm.algorithms.styles.Font;
import org.eclipse.graphiti.mm.algorithms.styles.LineStyle;
import org.eclipse.graphiti.mm.algorithms.styles.Orientation;
import org.eclipse.graphiti.mm.pictograms.ContainerShape;
import org.eclipse.graphiti.mm.pictograms.Diagram;
import org.eclipse.graphiti.mm.pictograms.PictogramElement;
import org.eclipse.graphiti.mm.pictograms.Shape;
import org.eclipse.graphiti.services.Graphiti;
import org.eclipse.graphiti.services.IGaService;
import org.eclipse.graphiti.ui.services.GraphitiUi;
import org.eclipse.graphiti.util.IColorConstant;
import org.eclipse.jdt.core.ICompilationUnit;
import org.eclipse.jdt.core.JavaModelException;
import org.eclipse.jdt.internal.core.SourceType;
import org.eclipse.jpt.jpa.core.JpaProject;
import org.eclipse.jpt.jpa.core.MappingKeys;
import org.eclipse.jpt.jpa.core.context.AttributeMapping;
import org.eclipse.jpt.jpa.core.context.PersistentAttribute;
import org.eclipse.jpt.jpa.core.context.PersistentType;
import org.eclipse.jpt.jpa.core.jpa2.context.DerivedIdentity2_0;
import org.eclipse.jpt.jpa.core.jpa2.context.SingleRelationshipMapping2_0;
import org.eclipse.jpt.jpadiagrameditor.ui.internal.JPADiagramEditorPlugin;
import org.eclipse.jpt.jpadiagrameditor.ui.internal.i18n.JPAEditorMessages;
import org.eclipse.jpt.jpadiagrameditor.ui.internal.modelintegration.util.ModelIntegrationUtil;
import org.eclipse.jpt.jpadiagrameditor.ui.internal.provider.IAddEntityContext;
import org.eclipse.jpt.jpadiagrameditor.ui.internal.provider.IJPAEditorFeatureProvider;
import org.eclipse.jpt.jpadiagrameditor.ui.internal.provider.JPAEditorImageProvider;
import org.eclipse.jpt.jpadiagrameditor.ui.internal.util.GraphicsUpdater;
import org.eclipse.jpt.jpadiagrameditor.ui.internal.util.JPAEditorConstants;
import org.eclipse.jpt.jpadiagrameditor.ui.internal.util.JPAEditorConstants.ShapeType;
import org.eclipse.jpt.jpadiagrameditor.ui.internal.util.JPAEditorPredefinedColoredAreas;
import org.eclipse.jpt.jpadiagrameditor.ui.internal.util.JPAEditorUtil;
import org.eclipse.jpt.jpadiagrameditor.ui.internal.util.JpaArtifactFactory;
import org.eclipse.jpt.jpadiagrameditor.ui.internal.util.Wrp;
@SuppressWarnings({ "restriction" })
public class AddJPAEntityFeature extends AbstractAddShapeFeature {
private boolean shouldRearrangeIsARelations = true;
private static ContainerShape primaryShape;
private static ContainerShape relationShape;
private static ContainerShape basicShape;
public AddJPAEntityFeature(IFeatureProvider fp, boolean shouldRearrangeIsARelations) {
super(fp);
this.shouldRearrangeIsARelations = shouldRearrangeIsARelations;
}
public AddJPAEntityFeature(IFeatureProvider fp) {
super(fp);
}
public boolean canAdd(IAddContext context) {
Object newObj = context.getNewObject();
if (newObj instanceof PersistentType) {
if (context.getTargetContainer() instanceof Diagram) {
PersistentType jpt = (PersistentType) newObj;
return checkJPTForAdding(jpt);
}
} else if (newObj instanceof ICompilationUnit) {
if (context.getTargetContainer() instanceof Diagram) {
ICompilationUnit cu = (ICompilationUnit) newObj;
PersistentType jpt = JPAEditorUtil.getJPType(cu);
return checkJPTForAdding(jpt);
}
} if (newObj instanceof SourceType) {
if (context.getTargetContainer() instanceof Diagram) {
ICompilationUnit cu = ((SourceType)newObj).getCompilationUnit();
PersistentType jpt = JPAEditorUtil.getJPType(cu);
return checkJPTForAdding(jpt);
}
}
return false;
}
private boolean checkJPTForAdding(PersistentType jpt) {
if (jpt == null)
return false;
PictogramElement[] pictograms = getFeatureProvider()
.getAllPictogramElementsForBusinessObject(jpt);
JpaProject proj = ModelIntegrationUtil.getProjectByDiagram(getDiagram().getName());
if (proj != null)
if (proj != jpt.getJpaProject())
return false;
return (pictograms == null) || (pictograms.length == 0);
}
@Override
public IJPAEditorFeatureProvider getFeatureProvider() {
return (IJPAEditorFeatureProvider) super.getFeatureProvider();
}
public PictogramElement add(final IAddContext context) {
final IJPAEditorFeatureProvider fp = getFeatureProvider();
Object newObj = context.getNewObject();
PersistentType jpt = null;
if (newObj instanceof PersistentType) {
jpt = (PersistentType) newObj;
} else if (newObj instanceof ICompilationUnit) {
ICompilationUnit cu = (ICompilationUnit) newObj;
jpt = JPAEditorUtil.getJPType(cu);
} else if (newObj instanceof SourceType) {
ICompilationUnit cu = ((SourceType)newObj).getCompilationUnit();
jpt = JPAEditorUtil.getJPType(cu);
}
final Diagram targetDiagram = (Diagram) context.getTargetContainer();
final Wrp wrp = new Wrp();
createEntity(context, fp, targetDiagram, wrp, jpt);
return (PictogramElement) wrp.getObj();
}
private void createEntity(final IAddContext context, final IJPAEditorFeatureProvider fp, final Diagram targetDiagram,
final Wrp wrp, final PersistentType jpt) {
TransactionalEditingDomain ted = TransactionUtil.getEditingDomain(targetDiagram);
ted.getCommandStack().execute(new RecordingCommand(ted) {
@Override
protected void doExecute() {
ContainerShape entityShape = Graphiti.getPeService().createContainerShape(targetDiagram, true);
JPAEditorConstants.DIAGRAM_OBJECT_TYPE dot = JpaArtifactFactory.instance().determineDiagramObjectType(jpt);
createEntityRectangle(context, entityShape, dot, fp.getDiagramTypeProvider().getDiagram());
link(entityShape, jpt);
Shape shape = Graphiti.getPeService().createShape(entityShape, false);
Polyline headerBottomLine = Graphiti.getGaService()
.createPolyline(shape, new int[] { 0, 30, JPAEditorConstants.ENTITY_WIDTH, 30 });
headerBottomLine.setForeground(manageColor(JPAEditorConstants.ENTITY_BORDER_COLOR));
headerBottomLine.setLineWidth(JPAEditorConstants.ENTITY_BORDER_WIDTH);
addHeader(jpt, entityShape, JPAEditorConstants.ENTITY_WIDTH, dot);
createCompartments(context, jpt, entityShape);
fillCompartments(jpt, entityShape);
String key = fp.getKeyForBusinessObject(jpt);
if (fp.getBusinessObjectForKey(key) == null)
fp.putKeyToBusinessObject(key, jpt);
Graphiti.getPeService().createChopboxAnchor(entityShape);
entityShape.setVisible(true);
layoutPictogramElement(entityShape);
UpdateAttributeFeature updateFeature = new UpdateAttributeFeature(fp);
updateFeature.reconnect(jpt);
if (shouldRearrangeIsARelations)
JpaArtifactFactory.instance().rearrangeIsARelations(getFeatureProvider());
wrp.setObj(entityShape);
}
});
}
private void createCompartments(IAddContext context, PersistentType jpt,
ContainerShape entityShape) {
JPAEditorConstants.DIAGRAM_OBJECT_TYPE dot = JpaArtifactFactory.instance().determineDiagramObjectType(jpt);
primaryShape = createCompartmentRectangle(entityShape,
JPAEditorConstants.ENTITY_MIN_HEIGHT,
JPAEditorMessages.AddJPAEntityFeature_primaryKeysShape,
dot);
relationShape = createCompartmentRectangle(entityShape,
GraphicsUpdater.getNextCompartmentY(primaryShape) + JPAEditorConstants.SEPARATOR_HEIGHT,
JPAEditorMessages.AddJPAEntityFeature_relationAttributesShapes,
dot);
basicShape = createCompartmentRectangle(entityShape,
GraphicsUpdater.getNextCompartmentY(relationShape) + JPAEditorConstants.SEPARATOR_HEIGHT,
JPAEditorMessages.AddJPAEntityFeature_basicAttributesShapes,
dot);
if (IAddEntityContext.class.isInstance(context)) {
IAddEntityContext entityContext = (IAddEntityContext) context;
GraphicsUpdater.setCollapsed(primaryShape, entityContext.isPrimaryCollapsed());
GraphicsUpdater.setCollapsed(basicShape, entityContext.isBasicCollapsed());
GraphicsUpdater.setCollapsed(relationShape, entityContext.isRelationCollapsed());
} else {
GraphicsUpdater.setCollapsed(primaryShape, false);
GraphicsUpdater.setCollapsed(basicShape, false);
GraphicsUpdater.setCollapsed(relationShape, false);
}
}
private void fillCompartments(PersistentType jpt, ContainerShape entityShape) {
String[] primaryMappingKeys = new String[] {MappingKeys.ID_ATTRIBUTE_MAPPING_KEY, MappingKeys.EMBEDDED_ID_ATTRIBUTE_MAPPING_KEY, "derived-id"}; //$NON-NLS-1$
for(String mappingKey : primaryMappingKeys){
addCompartmentChildren(primaryShape, jpt, mappingKey);
}
String[] relationMappingKeys = new String[] {MappingKeys.ONE_TO_ONE_ATTRIBUTE_MAPPING_KEY,
MappingKeys.ONE_TO_MANY_ATTRIBUTE_MAPPING_KEY, MappingKeys.MANY_TO_ONE_ATTRIBUTE_MAPPING_KEY,
MappingKeys.MANY_TO_MANY_ATTRIBUTE_MAPPING_KEY};
for(String mappingKey : relationMappingKeys){
addCompartmentChildren(relationShape, jpt, mappingKey);
}
addBasicAttributes(basicShape, jpt, Arrays.asList(primaryMappingKeys), Arrays.asList(relationMappingKeys));
GraphicsUpdater.updateEntityShape(entityShape);
}
private String getMappingKey(PersistentAttribute attr) {
AttributeMapping attrMapping = JpaArtifactFactory.instance().getAttributeMapping(attr);
if(attrMapping instanceof SingleRelationshipMapping2_0){
DerivedIdentity2_0 identity = ((SingleRelationshipMapping2_0)attrMapping).getDerivedIdentity();
if(identity.usesIdDerivedIdentityStrategy() || identity.usesMapsIdDerivedIdentityStrategy()){
return "derived-id"; //$NON-NLS-1$
}
}
return attrMapping.getKey();
}
private ContainerShape createCompartmentRectangle(
ContainerShape entityShape, int y, String attribTxt,
JPAEditorConstants.DIAGRAM_OBJECT_TYPE dot) {
int width = entityShape.getGraphicsAlgorithm().getWidth();
ContainerShape containerShape = Graphiti.getPeService().createContainerShape(
entityShape, false);
Graphiti.getPeService().setPropertyValue(containerShape,
JPAEditorConstants.PROP_SHAPE_TYPE, ShapeType.COMPARTMENT
.toString());
Rectangle rect = addCompartmentRectangle(y, width, containerShape);
addCompartmentHeaderText(attribTxt, width, rect);
UpdateAttributeFeature updateFeature = new UpdateAttributeFeature(getFeatureProvider());
updateFeature.addSeparatorsToShape(containerShape, dot);
return containerShape;
}
private Rectangle addCompartmentRectangle(int y, int width,
ContainerShape containerShape) {
Rectangle rect = Graphiti.getGaService().createRectangle(containerShape);
rect.setFilled(Boolean.FALSE);
rect.setLineVisible(Boolean.FALSE);
rect.setHeight(0);
rect.setWidth(width);
rect.setX(0);
rect.setY(y);
containerShape.setActive(true);
return rect;
}
private void addCompartmentHeaderText(String attribTxt, int width,
Rectangle rect) {
IJPAEditorFeatureProvider fp = getFeatureProvider();
Text text = UpdateAttributeFeature.addText(fp, rect, attribTxt);
Font font = GraphitiUi.getGaService().manageFont(getDiagram(),
IGaService.DEFAULT_FONT, 7, true, false);
text.setFont(font);
Graphiti.getGaService().setWidth(text, width);
Graphiti.getGaService().setLocationAndSize(text, 0, 2, width,
13);
text.setHorizontalAlignment(Orientation.ALIGNMENT_CENTER);
text.setVerticalAlignment(Orientation.ALIGNMENT_CENTER);
}
private void addCompartmentChildren(
ContainerShape containerShape, PersistentType jpt,
String attributeMappingKey) {
List<PersistentAttribute> attributes = new ArrayList<PersistentAttribute>();
for (PersistentAttribute attribute : jpt.getAttributes()) {
String mappingKey = getMappingKey(attribute);
if (attributeMappingKey.equals(mappingKey)) {
attributes.add(attribute);
}
}
addAttributes(containerShape, attributes);
}
private void addBasicAttributes(ContainerShape containerShape, PersistentType jpt, List<String> primaryKeyMappings, List<String> relationshipMappings){
List<PersistentAttribute> attributes = new ArrayList<PersistentAttribute>();
for (PersistentAttribute attribute : jpt.getAttributes()){
String mappingKey = getMappingKey(attribute);
if(!(primaryKeyMappings.contains(mappingKey)) && !(relationshipMappings.contains(mappingKey))){
attributes.add(attribute);
}
}
addAttributes(containerShape, attributes);
}
private void addAttributes(ContainerShape entityShape,
List<PersistentAttribute> attributes) {
for (int i = 0; i < attributes.size(); i++) {
PersistentAttribute jpa = attributes.get(i);
addAttribute(jpa, entityShape);
}
}
public static RoundedRectangle createEntityRectangle(IAddContext context,
ContainerShape entityShape,
JPAEditorConstants.DIAGRAM_OBJECT_TYPE dot,
Diagram diagram) {
IColorConstant foreground = JpaArtifactFactory.instance().getForeground(dot);
IColorConstant background = JpaArtifactFactory.instance().getBackground(dot);
String renderingStyle = JpaArtifactFactory.instance().getRenderingStyle(dot);
RoundedRectangle entityRectangle = Graphiti.getGaService().createRoundedRectangle(
entityShape, JPAEditorConstants.ENTITY_CORNER_WIDTH,
JPAEditorConstants.ENTITY_CORNER_HEIGHT);
entityRectangle
.setForeground(Graphiti.getGaService().manageColor(diagram, foreground));
entityRectangle
.setBackground(Graphiti.getGaService().manageColor(diagram, background));
Graphiti.getGaService().setRenderingStyle(entityRectangle.getPictogramElement().getGraphicsAlgorithm(),
JPAEditorPredefinedColoredAreas.getAdaptedGradientColoredAreas(renderingStyle));
entityRectangle.setLineWidth(JPAEditorConstants.ENTITY_BORDER_WIDTH);
entityRectangle.setLineStyle(LineStyle.SOLID);
Graphiti.getGaService().setLocationAndSize(entityRectangle, context
.getX(), context.getY(),
(context.getWidth() == -1) ? JPAEditorConstants.ENTITY_WIDTH
: context.getWidth(),
(context.getHeight() == -1) ? JPAEditorConstants.ENTITY_HEIGHT
: context.getHeight());
return entityRectangle;
}
private String determineTheAppropriateTypeCommand(JPAEditorConstants.DIAGRAM_OBJECT_TYPE dot){
String typeIconId = ""; //$NON-NLS-1$
if(dot.equals(JPAEditorConstants.DIAGRAM_OBJECT_TYPE.Entity)){
typeIconId = JPAEditorImageProvider.JPA_ENTITY;
} else if (dot.equals(JPAEditorConstants.DIAGRAM_OBJECT_TYPE.MappedSupeclass)){
typeIconId = JPAEditorImageProvider.MAPPED_SUPERCLASS;
} else if (dot.equals(JPAEditorConstants.DIAGRAM_OBJECT_TYPE.Embeddable)){
typeIconId = JPAEditorImageProvider.EMBEDDABLE;
}
return typeIconId;
}
private ContainerShape addHeader(PersistentType addedWrapper,
ContainerShape entityShape,
int width,
JPAEditorConstants.DIAGRAM_OBJECT_TYPE dot) {
String entityIconId = determineTheAppropriateTypeCommand(dot);
ContainerShape headerIconShape = Graphiti.getPeService().createContainerShape(
entityShape, false);
Rectangle iconRect = Graphiti.getGaService().createRectangle(headerIconShape);
iconRect.setFilled(Boolean.FALSE);
iconRect.setLineVisible(Boolean.FALSE);
iconRect.setHeight(JPAEditorConstants.ICON_RECT_HEIGHT);
iconRect.setX(0);
iconRect.setWidth(JPAEditorConstants.HEADER_ICON_RECT_WIDTH);
iconRect.setHeight(JPAEditorConstants.HEADER_ICON_RECT_HEIGHT);
iconRect.setY(0);
Image headerIcon = Graphiti.getGaService().createImage(iconRect,
entityIconId);
Graphiti.getGaService().setLocationAndSize(headerIcon,
JPAEditorConstants.ICON_HEADER_X,
JPAEditorConstants.ICON_HEADER_Y,
JPAEditorConstants.ICON_WIDTH,
JPAEditorConstants.ICON_HEIGHT);
Graphiti.getPeService().setPropertyValue(headerIconShape,
JPAEditorConstants.PROP_SHAPE_TYPE, ShapeType.ICON.toString());
ContainerShape entityHeaderTextShape = Graphiti.getPeService().createContainerShape(entityShape, false);
Graphiti.getPeService()
.setPropertyValue(entityHeaderTextShape,
JPAEditorConstants.PROP_SHAPE_TYPE, ShapeType.HEADER
.toString());
Rectangle headerRect = Graphiti.getGaService().createRectangle(entityHeaderTextShape);
headerRect.setFilled(Boolean.FALSE);
headerRect.setLineVisible(Boolean.FALSE);
headerRect.setWidth(width - JPAEditorConstants.HEADER_TEXT_RECT_WIDTH_REDUCER);
headerRect.setHeight(JPAEditorConstants.HEADER_TEXT_RECT_HEIGHT);
headerRect.setY(2);
headerRect.setX(JPAEditorConstants.HEADER_TEXT_RECT_X);
String headerTextString = JPAEditorUtil.getText(addedWrapper);
ICompilationUnit cu = JPAEditorUtil.getCompilationUnit(addedWrapper);
JPAEditorUtil.becomeWorkingCopy(cu);
headerTextString = JPAEditorUtil.returnSimpleName(headerTextString);
try {
if (cu.hasUnsavedChanges()) {
headerTextString = JPAEditorConstants.HEADER_PREFIX_DIRTY + headerTextString;
}
} catch (JavaModelException e) {
JPADiagramEditorPlugin.logError("Cannot check compilation unit for unsaved changes", e); //$NON-NLS-1$
}
Text headerTextObj = Graphiti.getGaService().createText(getDiagram(), headerRect,
headerTextString, IGaService.DEFAULT_FONT, IGaService.DEFAULT_FONT_SIZE, false, true);
headerTextObj.setForeground(manageColor(JPAEditorConstants.ENTITY_TEXT_FOREGROUND));
headerTextObj.setHorizontalAlignment(Orientation.ALIGNMENT_LEFT);
headerTextObj.setVerticalAlignment(Orientation.ALIGNMENT_TOP);
Graphiti.getGaService().setLocationAndSize(headerTextObj, 1, 2, width, 20);
return entityHeaderTextShape;
}
private void addAttribute(PersistentAttribute pa,
ContainerShape compartmentShape) {
IJPAEditorFeatureProvider fp = getFeatureProvider();
fp.putKeyToBusinessObject(fp.getKeyForBusinessObject(pa), pa);
PersistentType jpt = (PersistentType) pa.getParent();
String key = fp.getKeyForBusinessObject(jpt);
if (fp.getBusinessObjectForKey(key) == null)
fp.putKeyToBusinessObject(key, jpt);
AddContext addContext = new AddContext();
addContext.setTargetContainer(compartmentShape.getContainer());
addContext.setNewObject(pa);
GraphicalAddAttributeFeature graphicalAdd = new GraphicalAddAttributeFeature(fp);
graphicalAdd.add(addContext);
}
}
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