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/*******************************************************************************
* <copyright>
*
* Copyright (c) 2005, 2010 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 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.impl.AbstractAddShapeFeature;
import org.eclipse.graphiti.mm.algorithms.Image;
import org.eclipse.graphiti.mm.algorithms.Rectangle;
import org.eclipse.graphiti.mm.algorithms.Text;
import org.eclipse.graphiti.mm.pictograms.ContainerShape;
import org.eclipse.graphiti.mm.pictograms.PictogramElement;
import org.eclipse.graphiti.services.Graphiti;
import org.eclipse.jpt.jpa.core.context.AttributeMapping;
import org.eclipse.jpt.jpa.core.context.EmbeddedIdMapping;
import org.eclipse.jpt.jpa.core.context.IdMapping;
import org.eclipse.jpt.jpa.core.context.PersistentAttribute;
import org.eclipse.jpt.jpa.core.context.RelationshipMapping;
import org.eclipse.jpt.jpa.core.internal.jpa1.context.java.GenericJavaNullAttributeMapping;
import org.eclipse.jpt.jpa.core.internal.jpa1.context.orm.GenericOrmNullAttributeMapping;
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.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.JPAEditorUtil;
import org.eclipse.jpt.jpadiagrameditor.ui.internal.util.JpaArtifactFactory;
import org.eclipse.jpt.jpadiagrameditor.ui.internal.util.Wrp;
public class GraphicalAddAttributeFeature extends AbstractAddShapeFeature {
public GraphicalAddAttributeFeature(IFeatureProvider fp) {
super(fp);
}
public PictogramElement add(final IAddContext context) {
final ContainerShape entityShape = context.getTargetContainer();
final Wrp wrp = new Wrp();
TransactionalEditingDomain ted = TransactionUtil
.getEditingDomain(entityShape);
ted.getCommandStack().execute(new RecordingCommand(ted) {
@Override
protected void doExecute() {
PersistentAttribute newAttr = (PersistentAttribute) context
.getNewObject();
String txt = JPAEditorUtil.getText(newAttr);
AttributeMapping attributeMapping = JpaArtifactFactory.instance().getAttributeMapping(newAttr);
if(!attributeMapping.getKey().equals(newAttr.getJavaPersistentAttribute().getMappingKey())){
// newAttr.getJavaPersistentAttribute().setMappingKey(attributeMapping.getKey());
}
ContainerShape textShape = null;
ContainerShape primaryShape = GraphicsUpdater
.getPrimaryShape(entityShape);
ContainerShape relationShape = GraphicsUpdater
.getRelationShape(entityShape);
ContainerShape basicShape = GraphicsUpdater
.getBasicShape(entityShape);
textShape = addAttributeToProperlyShape(entityShape, txt,
attributeMapping, primaryShape, relationShape, basicShape);
link(textShape, newAttr);
layoutPictogramElement(entityShape);
wrp.setObj(textShape);
}
});
return (PictogramElement) wrp.getObj();
}
private ContainerShape addAttributeToProperlyShape(
ContainerShape entityShape, String txt, AttributeMapping attributeMapping,
ContainerShape primaryShape, ContainerShape relationShape,
ContainerShape basicShape) {
ContainerShape textShape = null;
if((attributeMapping instanceof IdMapping) || (attributeMapping instanceof EmbeddedIdMapping)) {
textShape = addAttributeToShape(entityShape, txt, attributeMapping,
primaryShape);
} else if (attributeMapping instanceof SingleRelationshipMapping2_0) {
DerivedIdentity2_0 identity = ((SingleRelationshipMapping2_0)attributeMapping).getDerivedIdentity();
if(identity.usesIdDerivedIdentityStrategy() || identity.usesMapsIdDerivedIdentityStrategy()){
textShape = addAttributeToShape(entityShape, txt, attributeMapping,
primaryShape);
} else {
textShape = addAttributeToShape(entityShape, txt, attributeMapping,
relationShape);
}
} else if (attributeMapping instanceof RelationshipMapping) {
textShape = addAttributeToShape(entityShape, txt, attributeMapping,
relationShape);
} else {
textShape = addAttributeToShape(entityShape, txt, attributeMapping,
basicShape);
}
return textShape;
}
private ContainerShape addAttributeToShape(ContainerShape entityShape,
String txt, AttributeMapping attributeMapping, ContainerShape containerShape) {
ContainerShape textShape = null;
int childrenSizeBefore = containerShape.getChildren().size();
int containerHeightBefore = containerShape.getGraphicsAlgorithm()
.getHeight();
textShape = addAttribute(getFeatureProvider(), containerShape, txt,
attributeMapping);
GraphicsUpdater.updateContainer(containerShape, childrenSizeBefore,
containerHeightBefore);
GraphicsUpdater.updateEntityShape(entityShape);
return textShape;
}
@SuppressWarnings("restriction")
private static ContainerShape addAttribute(IJPAEditorFeatureProvider fp,
ContainerShape containerShape, String attribTxt,
AttributeMapping attributeMapping) {
int width = containerShape.getContainer().getGraphicsAlgorithm()
.getWidth();
ContainerShape iconShape = Graphiti.getPeService()
.createContainerShape(containerShape, false);
Graphiti.getPeService().setPropertyValue(iconShape,
JPAEditorConstants.PROP_SHAPE_TYPE, ShapeType.ICON.toString());
int attribIndex = fp.getAttribsNum(containerShape);
Rectangle iconRect = UpdateAttributeFeature.addRectangleForIcon(
iconShape, attribIndex);
Image icon = null;
boolean isCollection = JpaArtifactFactory.instance().isCollection(attributeMapping);
if (isCollection && ((attributeMapping instanceof GenericJavaNullAttributeMapping)
|| (attributeMapping instanceof GenericOrmNullAttributeMapping))) {
icon = Graphiti.getGaService().createImage(iconRect,
JPAEditorImageProvider.ICON_UNMAPPED);
} else {
icon = JPAEditorUtil.createAttributeIcon(iconRect, attributeMapping);
}
Graphiti.getGaService().setLocationAndSize(icon,
JPAEditorConstants.ICON_X, JPAEditorConstants.ICON_Y,
JPAEditorConstants.ICON_WIDTH, JPAEditorConstants.ICON_HEIGHT);
ContainerShape textShape = Graphiti.getPeService()
.createContainerShape(containerShape, false);
Graphiti.getPeService().setPropertyValue(textShape,
JPAEditorConstants.PROP_SHAPE_TYPE,
ShapeType.ATTRIBUTE.toString());
Rectangle textRectangle = UpdateAttributeFeature.addRectangleForText(
textShape, attribIndex, width);
textShape.setActive(true);
Text text = UpdateAttributeFeature
.addText(fp, textRectangle, attribTxt);
Graphiti.getGaService().setWidth(text,
width - JPAEditorConstants.ATTRIBUTE_TEXT_RECT_WIDTH_REDUCER);
Graphiti.getGaService().setLocationAndSize(text, 1, -2,
width - JPAEditorConstants.ATTRIBUTE_TEXT_RECT_WIDTH_REDUCER,
JPAEditorConstants.ATTRIBUTE_RECT_HEIGHT);
fp.increaseAttribsNum(containerShape);
return textShape;
}
@Override
public IJPAEditorFeatureProvider getFeatureProvider() {
return (IJPAEditorFeatureProvider) super.getFeatureProvider();
}
public boolean canAdd(IAddContext context) {
return false;
}
}
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