added new editpart to show a diagram as a sub frame in another diagram

org.fortiss.tooling.base.ui/trunk/src/org/fortiss/tooling/base/ui/editpart/SubDiagramEditPartBase.java

+/*--------------------------------------------------------------------------+
+$Id: ElementEditPartBase.java 8344 2013-08-05 08:11:09Z hoelzl $
+|                                                                          |
+| Copyright 2011 ForTISS GmbH                                              |
+|                                                                          |
+| 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.fortiss.tooling.base.ui.editpart;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.eclipse.draw2d.Label;
+import org.eclipse.draw2d.PositionConstants;
+import org.eclipse.draw2d.geometry.Rectangle;
+import org.fortiss.tooling.base.layout.DefaultLayoutConstants;
+import org.fortiss.tooling.base.model.layout.ILayoutedModelElement;
+import org.fortiss.tooling.base.ui.utils.LayoutDataUtils;
+import org.fortiss.tooling.kernel.model.INamedCommentedElement;
+
+/**
+ * The base class for graphical edit parts which encapsulate nodes (i.e. the
+ * main modeling elements). All of them have a name label and an activation
+ * mode.
+ * 
+ * @param <T>
+ *            the type of the model element wrapped.
+ * 
+ * @author hoelzl
+ * @author $Author: hoelzl $
+ * @version $Rev: 8344 $
+ * @ConQAT.Rating GREEN Hash: 7E81A6A123F7421DD0D73BE0F9C7D72A
+ */
+public abstract class SubDiagramEditPartBase<T extends ILayoutedModelElement & INamedCommentedElement>
+		extends ElementEditPartBase<T> {
+
+	/** Constructor. */
+	protected SubDiagramEditPartBase(T modelObject) {
+		super(modelObject);
+	}
+
+	/**
+	 * {@inheritDoc}
+	 * <p>
+	 * Returns the connectors as children.
+	 */
+	@Override
+	protected List<?> getModelChildren() {
+		List<Object> result = new ArrayList<Object>();
+		result.addAll(modelElementHandler.getSubnodes(getModel()));
+		result.addAll(modelElementHandler.getConnectors(getModel()));
+		return result;
+	}
+
+	/** {@inheritDoc} */
+	@Override
+	protected Rectangle determineBaseFigureBounds() {
+		Rectangle result = null;
+		for(Object o : getModelChildren()) {
+			if(o instanceof ILayoutedModelElement) {
+				Rectangle p = LayoutDataUtils.getNodeBounds((ILayoutedModelElement)o);
+				result = p.getUnion(result);
+			}
+		}
+		if(result == null) {
+			result = new Rectangle();
+		}
+		result.expand(DefaultLayoutConstants.DEFAULT_GRID_SIZE,
+				DefaultLayoutConstants.DEFAULT_GRID_SIZE);
+		return result;
+	}
+
+	/** {@inheritDoc} */
+	@Override
+	public Label createLabelFigure() {
+		Label label = super.createLabelFigure();
+		label.setIconAlignment(PositionConstants.TOP | PositionConstants.LEFT);
+		return label;
+	}
+
+	/** {@inheritDoc} */
+	@Override
+	protected Rectangle determineLabelFigureBounds() {
+		Rectangle textBounds = labelFigure.getTextBounds();
+		Rectangle labelBounds = determineBaseFigureBounds();
+		labelBounds.y += 2 * DefaultLayoutConstants.DEFAULT_SHAPE_INSETS;
+		labelBounds.x += 2 * DefaultLayoutConstants.DEFAULT_SHAPE_INSETS;
+		labelBounds.width -= 4 * DefaultLayoutConstants.DEFAULT_SHAPE_INSETS;
+		labelBounds.height = textBounds.height * 2;
+		return labelBounds;
+	}
+}