examples/org.eclipse.sphinx.examples.hummingbird20.diagram.gmf/src/org/eclipse/sphinx/examples/hummingbird20/diagram/gmf/edit/parts/Hummingbird20EditPartFactory.java

/**
 * <copyright>
 * 
 * Copyright (c) 2013 itemis and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/org/documents/epl-2.0/EPL-2.0.html
 * 
 * Contributors: 
 *     itemis - Initial API and implementation
 * 
 * </copyright>
 */
package org.eclipse.sphinx.examples.hummingbird20.diagram.gmf.edit.parts;

import org.eclipse.draw2d.FigureUtilities;
import org.eclipse.draw2d.Label;
import org.eclipse.draw2d.geometry.Dimension;
import org.eclipse.draw2d.geometry.Rectangle;
import org.eclipse.gef.EditPart;
import org.eclipse.gef.EditPartFactory;
import org.eclipse.gef.tools.CellEditorLocator;
import org.eclipse.gmf.runtime.diagram.ui.editparts.ITextAwareEditPart;
import org.eclipse.gmf.runtime.draw2d.ui.figures.WrappingLabel;
import org.eclipse.gmf.runtime.notation.View;
import org.eclipse.jface.viewers.CellEditor;
import org.eclipse.sphinx.examples.hummingbird20.diagram.gmf.part.Hummingbird20VisualIDRegistry;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Text;

/**
 * @generated
 */
public class Hummingbird20EditPartFactory implements EditPartFactory {

	/**
	 * @generated
	 */
	@Override
	public EditPart createEditPart(EditPart context, Object model) {
		if (model instanceof View) {
			View view = (View) model;
			switch (Hummingbird20VisualIDRegistry.getVisualID(view)) {

			case ApplicationEditPart.VISUAL_ID:
				return new ApplicationEditPart(view);

			case ComponentEditPart.VISUAL_ID:
				return new ComponentEditPart(view);

			case ComponentNameEditPart.VISUAL_ID:
				return new ComponentNameEditPart(view);

			case ConnectionEditPart.VISUAL_ID:
				return new ConnectionEditPart(view);

			case ConnectionLabelEditPart.VISUAL_ID:
				return new ConnectionLabelEditPart(view);

			}
		}
		return createUnrecognizedEditPart(context, model);
	}

	/**
	 * @generated
	 */
	private EditPart createUnrecognizedEditPart(EditPart context, Object model) {
		// Handle creation of unrecognized child node EditParts here
		return null;
	}

	/**
	 * @generated
	 */
	public static CellEditorLocator getTextCellEditorLocator(ITextAwareEditPart source) {
		if (source.getFigure() instanceof WrappingLabel) {
			return new TextCellEditorLocator((WrappingLabel) source.getFigure());
		} else {
			return new LabelCellEditorLocator((Label) source.getFigure());
		}
	}

	/**
	 * @generated
	 */
	static private class TextCellEditorLocator implements CellEditorLocator {

		/**
		 * @generated
		 */
		private WrappingLabel wrapLabel;

		/**
		 * @generated
		 */
		public TextCellEditorLocator(WrappingLabel wrapLabel) {
			this.wrapLabel = wrapLabel;
		}

		/**
		 * @generated
		 */
		public WrappingLabel getWrapLabel() {
			return wrapLabel;
		}

		/**
		 * @generated
		 */
		@Override
		public void relocate(CellEditor celleditor) {
			Text text = (Text) celleditor.getControl();
			Rectangle rect = getWrapLabel().getTextBounds().getCopy();
			getWrapLabel().translateToAbsolute(rect);
			if (!text.getFont().isDisposed()) {
				if (getWrapLabel().isTextWrapOn() && getWrapLabel().getText().length() > 0) {
					rect.setSize(new Dimension(text.computeSize(rect.width, SWT.DEFAULT)));
				} else {
					int avr = FigureUtilities.getFontMetrics(text.getFont()).getAverageCharWidth();
					rect.setSize(new Dimension(text.computeSize(SWT.DEFAULT, SWT.DEFAULT)).expand(avr * 2, 0));
				}
			}
			if (!rect.equals(new Rectangle(text.getBounds()))) {
				text.setBounds(rect.x, rect.y, rect.width, rect.height);
			}
		}
	}

	/**
	 * @generated
	 */
	private static class LabelCellEditorLocator implements CellEditorLocator {

		/**
		 * @generated
		 */
		private Label label;

		/**
		 * @generated
		 */
		public LabelCellEditorLocator(Label label) {
			this.label = label;
		}

		/**
		 * @generated
		 */
		public Label getLabel() {
			return label;
		}

		/**
		 * @generated
		 */
		@Override
		public void relocate(CellEditor celleditor) {
			Text text = (Text) celleditor.getControl();
			Rectangle rect = getLabel().getTextBounds().getCopy();
			getLabel().translateToAbsolute(rect);
			if (!text.getFont().isDisposed()) {
				int avr = FigureUtilities.getFontMetrics(text.getFont()).getAverageCharWidth();
				rect.setSize(new Dimension(text.computeSize(SWT.DEFAULT, SWT.DEFAULT)).expand(avr * 2, 0));
			}
			if (!rect.equals(new Rectangle(text.getBounds()))) {
				text.setBounds(rect.x, rect.y, rect.width, rect.height);
			}
		}
	}
}