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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 java.util.HashSet;
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.java.JavaSpecifiedPersistentAttribute;
import org.eclipse.jpt.jpa.core.context.java.JavaPersistentType;
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.JPAEditorUtil;
import org.eclipse.jpt.jpadiagrameditor.ui.internal.util.JpaArtifactFactory;
import org.eclipse.jpt.jpadiagrameditor.ui.internal.util.Wrp;
import org.eclipse.jpt.jpadiagrameditor.ui.internal.util.JPAEditorConstants.ShapeType;
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() {
JavaSpecifiedPersistentAttribute newAttr = (JavaSpecifiedPersistentAttribute) context.getNewObject();
String txt = JPAEditorUtil.getText(newAttr);
HashSet<String> annots = JpaArtifactFactory.instance().getAnnotationNames(newAttr);
ContainerShape textShape = null;
ContainerShape primaryShape = GraphicsUpdater.getPrimaryShape(entityShape);
ContainerShape relationShape = GraphicsUpdater.getRelationShape(entityShape);
ContainerShape basicShape = GraphicsUpdater.getBasicShape(entityShape);
textShape = addAttributeToProperlyShape(entityShape, txt, annots, primaryShape, relationShape, basicShape);
link(textShape, newAttr);
layoutPictogramElement(entityShape);
wrp.setObj(textShape);
}
});
return (PictogramElement)wrp.getObj();
}
private ContainerShape addAttributeToProperlyShape(ContainerShape entityShape, String txt, HashSet<String> annots,
ContainerShape primaryShape, ContainerShape relationShape, ContainerShape basicShape) {
ContainerShape textShape = null;
if (annots.contains(JPAEditorConstants.ANNOTATION_ID) || annots.contains(JPAEditorConstants.ANNOTATION_EMBEDDED_ID)
|| annots.contains(JPAEditorConstants.ANNOTATION_MAPS_ID)) {
textShape = addAttributeToShape(entityShape, txt, annots, primaryShape);
} else if (!annots.contains(JPAEditorConstants.ANNOTATION_ID) && !annots.contains(JPAEditorConstants.ANNOTATION_MAPS_ID)
&& (annots.contains(JPAEditorConstants.ANNOTATION_MANY_TO_MANY)
|| annots.contains(JPAEditorConstants.ANNOTATION_MANY_TO_ONE)
|| annots.contains(JPAEditorConstants.ANNOTATION_ONE_TO_MANY)
|| annots.contains(JPAEditorConstants.ANNOTATION_ONE_TO_ONE))) {
textShape = addAttributeToShape(entityShape, txt, annots, relationShape);
} else {
textShape = addAttributeToShape(entityShape, txt, annots, basicShape);
}
return textShape;
}
private ContainerShape addAttributeToShape(ContainerShape entityShape, String txt, HashSet<String> annots,
ContainerShape containerShape) {
ContainerShape textShape = null;
int childrenSizeBefore = containerShape.getChildren().size();
int containerHeightBefore = containerShape.getGraphicsAlgorithm().getHeight();
textShape = addAttribute(getFeatureProvider(), containerShape, txt, annots);
GraphicsUpdater.updateContainer(containerShape, childrenSizeBefore, containerHeightBefore);
GraphicsUpdater.updateEntityShape(entityShape);
return textShape;
}
private static ContainerShape addAttribute(IJPAEditorFeatureProvider fp, ContainerShape containerShape,
String attribTxt, HashSet<String> annotations) {
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;
Object ob = fp.getBusinessObjectForPictogramElement(containerShape.getContainer());
JavaPersistentType jpt = (JavaPersistentType)ob;
boolean isMethodAnnotated = JpaArtifactFactory.instance().isMethodAnnotated(jpt);
boolean isCollection = isMethodAnnotated ?
JpaArtifactFactory.instance().isGetterMethodReturnTypeCollection(containerShape.getContainer(), fp, attribTxt) :
JpaArtifactFactory.instance().isCollection(containerShape.getContainer(), fp, attribTxt);
if (isCollection && annotations.isEmpty()) {
icon = Graphiti.getGaService().createImage(iconRect, JPAEditorImageProvider.ICON_UNMAPPED);
} else{
icon = JPAEditorUtil.createAttributeIcon(iconRect, annotations);
}
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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