/*******************************************************************************
* Copyright (c) 2011 Red Hat, Inc.
* All rights reserved.
* This program is 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:
* Red Hat, Inc. - initial API and implementation
******************************************************************************/
package org.eclipse.bpmn2.modeler.ui.features.data;
import org.eclipse.bpmn2.Message;
import org.eclipse.bpmn2.RootElement;
import org.eclipse.bpmn2.modeler.core.ModelHandler;
import org.eclipse.bpmn2.modeler.core.features.AbstractBpmnAddFeature;
import org.eclipse.bpmn2.modeler.core.features.BaseElementFeatureContainer;
import org.eclipse.bpmn2.modeler.core.features.DefaultBpmnMoveFeature;
import org.eclipse.bpmn2.modeler.core.features.UpdateBaseElementNameFeature;
import org.eclipse.bpmn2.modeler.core.features.data.AbstractCreateRootElementFeature;
import org.eclipse.bpmn2.modeler.core.utils.AnchorUtil;
import org.eclipse.bpmn2.modeler.core.utils.GraphicsUtil;
import org.eclipse.bpmn2.modeler.core.utils.StyleUtil;
import org.eclipse.bpmn2.modeler.core.utils.GraphicsUtil.Envelope;
import org.eclipse.bpmn2.modeler.ui.ImageProvider;
import org.eclipse.bpmn2.modeler.ui.features.LayoutBaseElementTextFeature;
import org.eclipse.graphiti.features.IAddFeature;
import org.eclipse.graphiti.features.ICreateFeature;
import org.eclipse.graphiti.features.IDeleteFeature;
import org.eclipse.graphiti.features.IDirectEditingFeature;
import org.eclipse.graphiti.features.IFeatureProvider;
import org.eclipse.graphiti.features.ILayoutFeature;
import org.eclipse.graphiti.features.IMoveShapeFeature;
import org.eclipse.graphiti.features.IResizeShapeFeature;
import org.eclipse.graphiti.features.IUpdateFeature;
import org.eclipse.graphiti.features.context.IAddContext;
import org.eclipse.graphiti.features.context.IResizeShapeContext;
import org.eclipse.graphiti.features.impl.DefaultResizeShapeFeature;
import org.eclipse.graphiti.mm.algorithms.Rectangle;
import org.eclipse.graphiti.mm.algorithms.Text;
import org.eclipse.graphiti.mm.algorithms.styles.Orientation;
import org.eclipse.graphiti.mm.pictograms.ContainerShape;
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.IPeService;
public class MessageFeatureContainer extends BaseElementFeatureContainer {
@Override
public boolean canApplyTo(Object o) {
return super.canApplyTo(o) && o instanceof Message;
}
@Override
public ICreateFeature getCreateFeature(IFeatureProvider fp) {
return new CreateMessageFeature(fp);
}
@Override
public IAddFeature getAddFeature(IFeatureProvider fp) {
return new AbstractBpmnAddFeature(fp) {
@Override
public boolean canAdd(IAddContext context) {
return true;
}
@Override
public PictogramElement add(IAddContext context) {
IGaService gaService = Graphiti.getGaService();
IPeService peService = Graphiti.getPeService();
Message msg = (Message) context.getNewObject();
int width = context.getWidth() > 0 ? context.getWidth() : 30;
int height = context.getHeight() > 0 ? context.getHeight() : 20;
int textArea = 15;
ContainerShape container = peService.createContainerShape(context.getTargetContainer(), true);
Rectangle invisibleRect = gaService.createInvisibleRectangle(container);
gaService.setLocationAndSize(invisibleRect, context.getX(), context.getY(), width, height + textArea);
Envelope envelope = GraphicsUtil.createEnvelope(invisibleRect, 0, 0, width, height);
envelope.rect.setFilled(true);
StyleUtil.applyBGStyle(envelope.rect, this);
envelope.line.setForeground(manageColor(StyleUtil.CLASS_FOREGROUND));
Shape textShape = peService.createShape(container, false);
peService
.setPropertyValue(textShape, UpdateBaseElementNameFeature.TEXT_ELEMENT, Boolean.toString(true));
Text text = gaService.createDefaultText(getDiagram(), textShape, msg.getName());
text.setStyle(StyleUtil.getStyleForText(getDiagram()));
text.setHorizontalAlignment(Orientation.ALIGNMENT_CENTER);
text.setVerticalAlignment(Orientation.ALIGNMENT_TOP);
gaService.setLocationAndSize(text, 0, height, width, textArea);
peService.createChopboxAnchor(container);
AnchorUtil.addFixedPointAnchors(container, invisibleRect);
createDIShape(container, msg);
layoutPictogramElement(container);
return container;
}
};
}
@Override
public IUpdateFeature getUpdateFeature(IFeatureProvider fp) {
return new UpdateBaseElementNameFeature(fp);
}
@Override
public IDirectEditingFeature getDirectEditingFeature(IFeatureProvider fp) {
return null;
}
@Override
public ILayoutFeature getLayoutFeature(IFeatureProvider fp) {
return new LayoutBaseElementTextFeature(fp) {
@Override
public int getMinimumWidth() {
return 30;
}
};
}
@Override
public IMoveShapeFeature getMoveFeature(IFeatureProvider fp) {
return new DefaultBpmnMoveFeature(fp);
}
@Override
public IResizeShapeFeature getResizeFeature(IFeatureProvider fp) {
return new DefaultResizeShapeFeature(fp) {
@Override
public boolean canResizeShape(IResizeShapeContext context) {
return false;
}
};
}
public static class CreateMessageFeature extends AbstractCreateRootElementFeature {
public CreateMessageFeature(IFeatureProvider fp) {
super(fp, "Message", "Represents the content of a communication between two Participants");
}
@Override
public RootElement createRootElement() {
Message message = ModelHandler.FACTORY.createMessage();
message.setName("Message");
return message;
}
@Override
public String getStencilImageId() {
return ImageProvider.IMG_16_MESSAGE;
}
}
@Override
public IDeleteFeature getDeleteFeature(IFeatureProvider context) {
return null;
}
}