package org.activiti.designer.features;
import org.activiti.bpmn.model.Lane;
import org.activiti.bpmn.model.SubProcess;
import org.activiti.designer.PluginImage;
import org.activiti.designer.util.eclipse.ActivitiUiUtil;
import org.activiti.designer.util.platform.OSEnum;
import org.activiti.designer.util.platform.OSUtil;
import org.activiti.designer.util.style.StyleUtil;
import org.eclipse.graphiti.features.IDirectEditingInfo;
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.Ellipse;
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.Orientation;
import org.eclipse.graphiti.mm.pictograms.BoxRelativeAnchor;
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.services.IPeCreateService;
public class AddEmbeddedSubProcessFeature extends AbstractAddShapeFeature {
public AddEmbeddedSubProcessFeature(IFeatureProvider fp) {
super(fp);
}
@Override
public PictogramElement add(IAddContext context) {
final SubProcess addedSubProcess = (SubProcess) context.getNewObject();
final ContainerShape parent = context.getTargetContainer();
// CONTAINER SHAPE WITH ROUNDED RECTANGLE
final IPeCreateService peCreateService = Graphiti.getPeCreateService();
final ContainerShape containerShape = peCreateService.createContainerShape(parent, true);
// EList<Property> props = containerShape.getProperties();
// check whether the context has a size (e.g. from a create feature)
// otherwise define a default size for the shape
final int width = context.getWidth() <= 0 ? 205 : context.getWidth();
final int height = context.getHeight() <= 0 ? 205 : context.getHeight();
final IGaService gaService = Graphiti.getGaService();
RoundedRectangle roundedRectangle; // need to access it later
{
// create invisible outer rectangle expanded by
// the width needed for the anchor
final Rectangle invisibleRectangle = gaService.createInvisibleRectangle(containerShape);
gaService.setLocationAndSize(invisibleRectangle, context.getX(), context.getY(), width, height);
// create and set visible rectangle inside invisible rectangle
roundedRectangle = gaService.createRoundedRectangle(invisibleRectangle, 5, 5);
roundedRectangle.setParentGraphicsAlgorithm(invisibleRectangle);
roundedRectangle.setStyle(StyleUtil.getStyleForEvent(getDiagram()));
gaService.setLocationAndSize(roundedRectangle, 0, 0, width, height);
// create link and wire it
link(containerShape, addedSubProcess);
}
// SHAPE WITH TEXT
{
// create shape for text
final Shape shape = peCreateService.createShape(containerShape, false);
// create and set text graphics algorithm
final Text text = gaService.createDefaultText(getDiagram(), shape, addedSubProcess.getName());
text.setStyle(StyleUtil.getStyleForEvent(getDiagram()));
text.setHorizontalAlignment(Orientation.ALIGNMENT_CENTER);
text.setVerticalAlignment(Orientation.ALIGNMENT_CENTER);
Font font = null;
if (OSUtil.getOperatingSystem() == OSEnum.Mac) {
font = gaService.manageFont(getDiagram(), text.getFont().getName(), 11, false, true);
} else {
font = gaService.manageDefaultFont(getDiagram(), false, true);
}
text.setFont(font);
gaService.setLocationAndSize(text, 0, 0, width, 20);
// create link and wire it
link(shape, addedSubProcess);
// provide information to support direct-editing directly
// after object creation (must be activated additionally)
final IDirectEditingInfo directEditingInfo = getFeatureProvider().getDirectEditingInfo();
// set container shape for direct editing after object creation
directEditingInfo.setMainPictogramElement(containerShape);
// set shape and graphics algorithm where the editor for
// direct editing shall be opened after object creation
directEditingInfo.setPictogramElement(shape);
directEditingInfo.setGraphicsAlgorithm(text);
}
// add a chopbox anchor to the shape
peCreateService.createChopboxAnchor(containerShape);
final BoxRelativeAnchor boxAnchor = peCreateService.createBoxRelativeAnchor(containerShape);
boxAnchor.setRelativeWidth(1.0);
boxAnchor.setRelativeHeight(0.51);
boxAnchor.setReferencedGraphicsAlgorithm(roundedRectangle);
final Ellipse ellipse = ActivitiUiUtil.createInvisibleEllipse(boxAnchor, gaService);
gaService.setLocationAndSize(ellipse, 0, 0, 0, 0);
layoutPictogramElement(containerShape);
return containerShape;
}
@Override
public boolean canAdd(IAddContext context) {
if (context.getNewObject() instanceof SubProcess) {
if (context.getTargetContainer() instanceof Diagram) {
return true;
}
Object parentObject = getBusinessObjectForPictogramElement(context.getTargetContainer());
if (parentObject instanceof SubProcess || parentObject instanceof Lane) {
return true;
}
}
return false;
}
protected String getIcon() {
return PluginImage.IMG_SUBPROCESS_COLLAPSED.getImageKey();
}
}