/* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.activiti.designer.features;
import java.util.List;
import org.activiti.bpmn.model.Activity;
import org.activiti.bpmn.model.BoundaryEvent;
import org.activiti.bpmn.model.CallActivity;
import org.activiti.bpmn.model.Task;
import org.eclipse.graphiti.features.IFeatureProvider;
import org.eclipse.graphiti.features.context.IResizeShapeContext;
import org.eclipse.graphiti.features.impl.DefaultResizeShapeFeature;
import org.eclipse.graphiti.mm.algorithms.GraphicsAlgorithm;
import org.eclipse.graphiti.mm.algorithms.Image;
import org.eclipse.graphiti.mm.algorithms.MultiText;
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.mm.pictograms.Shape;
/**
* @author Tijs Rademakers
*/
public class TaskResizeFeature extends DefaultResizeShapeFeature {
public TaskResizeFeature(IFeatureProvider fp) {
super(fp);
}
@Override
public boolean canResizeShape(IResizeShapeContext context) {
boolean canResize = super.canResizeShape(context);
// perform further check only if move allowed by default feature
if (canResize == true) {
// don't allow resize if the class name has the length of 1
Shape shape = context.getShape();
Object bo = getBusinessObjectForPictogramElement(shape);
if (bo instanceof Task || bo instanceof CallActivity) {
canResize = true;
} else {
canResize = false;
}
}
return canResize;
}
@Override
public void resizeShape(IResizeShapeContext context) {
int height = context.getHeight();
int width = context.getWidth();
if(height < 55) {
height = 55;
}
if(width < 105) {
width = 105;
}
Shape boShape = context.getShape();
int oldX = boShape.getGraphicsAlgorithm().getX();
int oldY = boShape.getGraphicsAlgorithm().getY();
int deltaHeight = height - boShape.getGraphicsAlgorithm().getHeight();
super.resizeShape(context);
int newX = boShape.getGraphicsAlgorithm().getX();
int newY = boShape.getGraphicsAlgorithm().getY();
Object bo = getBusinessObjectForPictogramElement(boShape);
Activity activity = (Activity) bo;
for (BoundaryEvent boundaryEvent : activity.getBoundaryEvents()) {
PictogramElement boundaryElement = getFeatureProvider().getPictogramElementForBusinessObject(boundaryEvent);
boundaryElement.getGraphicsAlgorithm().setX(boundaryElement.getGraphicsAlgorithm().getX() + newX - oldX);
if (newY - oldY == 0) {
boundaryElement.getGraphicsAlgorithm().setY(boundaryElement.getGraphicsAlgorithm().getY() + deltaHeight);
}
}
context.getShape().getGraphicsAlgorithm().setHeight(height);
context.getShape().getGraphicsAlgorithm().setWidth(width);
for (GraphicsAlgorithm graphicsAlgorithm : context.getShape().getGraphicsAlgorithm().getGraphicsAlgorithmChildren()) {
graphicsAlgorithm.setHeight(height);
graphicsAlgorithm.setWidth(width);
}
List<Shape> shapes = ((ContainerShape) context.getShape()).getChildren();
for (Shape shape : shapes) {
if(shape.getGraphicsAlgorithm() != null) {
if(shape.getGraphicsAlgorithm() instanceof MultiText) {
MultiText text = (MultiText) shape.getGraphicsAlgorithm();
text.setHeight(height - 25);
text.setWidth(width);
} else if(shape.getGraphicsAlgorithm() instanceof Image) {
Image image = (Image) shape.getGraphicsAlgorithm();
if(bo instanceof CallActivity) {
// calculate position for icon
final int iconWidthAndHeight = 10;
final int padding = 5;
final int xPos = (context.getShape().getGraphicsAlgorithm().getWidth() / 2) - (iconWidthAndHeight / 2);
final int yPos = context.getShape().getGraphicsAlgorithm().getHeight() - padding - iconWidthAndHeight;
image.setX(xPos);
image.setY(yPos);
} else {
int imageX = image.getX();
if(imageX > 20) {
image.setX(width - 20);
}
}
} else if(shape.getGraphicsAlgorithm() instanceof Text) {
Text text = (Text) shape.getGraphicsAlgorithm();
text.setHeight(height - 25);
text.setWidth(width);
}
}
}
}
}