jsf/plugins/org.eclipse.jst.jsf.facesconfig.ui/src/org/eclipse/jst/jsf/facesconfig/ui/preference/LinkFigure.java - jsf/webtools.jsf - Git at Google

 /*******************************************************************************
  * Copyright (c) 2004, 2006 Sybase, Inc. and others.
  *
  * All rights reserved. This program and the accompanying materials
  * are 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:
  *     Sybase, Inc. - initial API and implementation
  *******************************************************************************/

 package org.eclipse.jst.jsf.facesconfig.ui.preference;

 import java.util.ArrayList;
 import java.util.List;

 import org.eclipse.draw2d.ColorConstants;
 import org.eclipse.draw2d.IFigure;
 import org.eclipse.draw2d.Label;
 import org.eclipse.draw2d.LineBorder;
 import org.eclipse.draw2d.MarginBorder;
 import org.eclipse.draw2d.MidpointLocator;
 import org.eclipse.draw2d.PolylineConnection;
 import org.eclipse.draw2d.PositionConstants;
 import org.eclipse.draw2d.geometry.PointList;
 import org.eclipse.draw2d.geometry.Rectangle;
 import org.eclipse.jface.resource.JFaceResources;
 import org.eclipse.swt.graphics.Color;
 import org.eclipse.swt.graphics.Font;
 import org.eclipse.swt.graphics.Image;

 /**
  * @author Bob
  *
  * TODO To change the template for this generated type comment go to Window -
  * Preferences - Java - Code Style - Code Templates
  */
 public class LinkFigure extends PolylineConnection implements IBaseFigure {
 	public static Color defaultLineColor = ColorConstants.black;

 	public static int defaultLineWidth = 1;

 	public static boolean defaultLabelVisible = false;

 	public static Color defaultLabelForeground = ColorConstants.black;

 	public static Color defaultLabelBackground = ColorConstants.white;

 	public static Font defaultFont = JFaceResources.getFontRegistry().get(
 			JFaceResources.DEFAULT_FONT);

 	private LinkLabel label;

 	public LinkFigure() {
 		super();
 		setLineWidth(defaultLineWidth);
 		setForegroundColor(defaultLineColor);

 		// BaseFigureDecorator decorator;
 		// decorator = new
 		// BaseFigureDecorator(GEMPlugin.getDefault().getGEMImage("delete.gif"),"target",PositionConstants.WEST);
 		// addDecorator(decorator);
 		// decorator = new
 		// BaseFigureDecorator(GEMPlugin.getDefault().getGEMImage("delete.gif"),"target",PositionConstants.EAST);
 		// addDecorator(decorator);
 	}

 	/*
 	 * (non-Javadoc)
 	 *
 	 * @see com.sybase.stf.gem.diagram.editor.figures.IBaseFigure#setToolTipText()
 	 */
 	public void setToolTipText(String text) {
 		Label toolTip_ = null;

 		if (text != null && text.length() > 0) {
 			toolTip_ = new Label(text);
 			toolTip_.setBorder(new MarginBorder(3));
 		}

 		super.setToolTip(toolTip_);
 	}

 	/*
 	 * (non-Javadoc)
 	 *
 	 * @see com.sybase.stf.gem.diagram.editor.figures.IBaseFigure#getToolTipText()
 	 */
 	public String getToolTipText() {
 		if (getToolTip() != null)
 			return ((Label) getToolTip()).getText();
 		return null;
 	}

 	public void setHighlight(boolean flag) {
 		if (flag) {
 			setForegroundColor(ColorConstants.titleBackground);
 			// setLineWidth(defaultLineWidth * 2);
 		} else {
 			setForegroundColor(defaultLineColor);
 			// setLineWidth(defaultLineWidth);
 		}
 	}

 	public void setSelected(boolean flag) {
 		if (flag) {
 			// setForegroundColor(ColorConstants.titleBackground);
 			setLineWidth(defaultLineWidth * 2);
 		} else {
 			// setForegroundColor(defaultLineColor);
 			setLineWidth(defaultLineWidth);
 		}
 	}

 	public void setLabelVisible(boolean flag) {
 		getLabel().setVisible(flag);
 	}

 	/*
 	 * (non-Javadoc)
 	 *
 	 * @see com.sybase.stf.gem.diagram.editor.figures.IBaseFigure#setText()
 	 */
 	public void setText(String text) {
 		if (text == null && text.length() == 0) {
 			if (label != null) {
 				remove(label);
 				label = null;
 			}
 		} else {
 			getLabel().setText(text);
 		}
 	}

 	/*
 	 * (non-Javadoc)
 	 *
 	 * @see com.sybase.stf.gem.diagram.editor.figures.IBaseFigure#getText()
 	 */
 	public String getText() {
 		if (label == null)
 			return null;
 		return label.getText();
 	}

 	/*
 	 * CR374981: Long activity labels do not get wrapped or truncated This
 	 * method was added to the IBaseFigure interface to support direct edit of
 	 * figure labels on the canvas.
 	 */
 	public Rectangle getTextBounds() {
 		return label.getTextBounds();
 	}

 	/*
 	 * (non-Javadoc)
 	 *
 	 * @see com.sybase.stf.gem.diagram.editor.figures.IBaseFigure#setIcon(org.eclipse.swt.graphics.Image)
 	 */
 	public void setIcon(Image image) {
 		getLabel().setIcon(image);
 	}

 	/*
 	 * (non-Javadoc)
 	 *
 	 * @see com.sybase.stf.gem.diagram.editor.figures.IBaseFigure#getIcon()
 	 */
 	public Image getIcon() {
 		return getLabel().getIcon();
 	}

 	/*
 	 * (non-Javadoc)
 	 *
 	 * @see com.sybase.stf.gem.diagram.editor.figures.IBaseFigure#addDecorator(com.sybase.stf.gem.diagram.editor.figures.BaseFigureDecorator)
 	 */
 	public void addDecorator(BaseFigureDecorator decorator) {
 		int pos = decorator.getPosition();
 		if (pos == BaseFigureDecorator.DEFAULT_DECORATOR_POSITION
 				|| pos == PositionConstants.WEST
 				|| pos == PositionConstants.LEFT) {
 			setTargetDecoration(decorator);
 		} else if (pos == PositionConstants.EAST
 				|| pos == PositionConstants.RIGHT) {
 			setSourceDecoration(decorator);
 		}
 	}

 	/*
 	 * (non-Javadoc)
 	 *
 	 * @see com.sybase.stf.gem.diagram.editor.figures.IBaseFigure#removeDecorator()
 	 */
 	public void removeDecorator() {
 		removeDecorator(BaseFigureDecorator.DEFAULT_DECORATOR_POSITION);
 	}

 	/*
 	 * (non-Javadoc)
 	 *
 	 * @see com.sybase.stf.gem.diagram.editor.figures.IBaseFigure#removeDecorator(int)
 	 */
 	public void removeDecorator(int position) {
 		if (position == BaseFigureDecorator.DEFAULT_DECORATOR_POSITION)
 			setTargetDecoration(null);
 		else
 			setSourceDecoration(null);
 	}

 	/*
 	 * (non-Javadoc)
 	 *
 	 * @see com.sybase.stf.gem.diagram.editor.figures.IBaseFigure#getDecorators()
 	 */
 	public List getDecorators() {
 		List list = new ArrayList(2);
 		Object d;
 		d = getSourceDecoration();
 		if (d != null)
 			list.add(d);
 		d = getTargetDecoration();
 		if (d != null)
 			list.add(d);
 		return list;
 	}

 	public LinkLabel getLabel() {
 		if (label == null) {
 			label = new LinkLabel();
 			add(label, new MidpointLocator(this, 0));
 		}
 		return label;
 	}

 	public void setLabelForeground(Color c) {
 		getLabel().setForegroundColor(c);
 	}

 	public void setLabelBackground(Color c) {
 		getLabel().setBackgroundColor(c);
 	}

 	public void setFont(Font f) {
 		getLabel().setFont(f);
 	}

 	/*
 	 * (non-Javadoc)
 	 *
 	 * @see org.eclipse.draw2d.Shape#setLineWidth(int)
 	 */
 	public void setLineWidth(int w) {
 		getLabel().setBorderWidth(w);
 		super.setLineWidth(w);
 	}

 	public void setForegroundColor(Color c) {
 		getLabel().setBorderColor(c);
 		super.setForegroundColor(c);
 	}

 	/*
 	 * (non-Javadoc)
 	 *
 	 * @see org.eclipse.draw2d.Polyline#setPoints(org.eclipse.draw2d.geometry.PointList)
 	 */
 	public void setPoints(PointList points) {
 		// TODO Auto-generated method stub
 		super.setPoints(points);
 		if (label != null) {
 			int i = getPoints().size() / 2 - 1;
 			if (i < 0)
 				i = 0;
 			if (getLayoutManager() != null)
 				getLayoutManager().setConstraint(label,
 						new MidpointLocator(this, i));
 		}
 	}

 	public Rectangle getBounds() {
 		if (bounds == null) {
 			if (bounds == null) {
 				bounds = getPoints().getBounds().getExpanded(lineWidth / 2,
 						lineWidth / 2);
 			}
 			// CR382243: Clicking on the node icon selects the connection line
 			// rather than the node
 			// NOTE: expanding the bounds to include children (in this case,
 			// the Link labels) causes problems when the connection line becomes
 			// short (i.e., when the 2 anchor figures at each end of the
 			// connection are
 			// close together) because the bounds of this link figure will be
 			// greater
 			// than the actual length of the line. This causes the link figure
 			// to
 			// be hit-tested beyond its visual size.
 			if (getLabel().isVisible()) {
 				for (int i = 0; i < getChildren().size(); i++) {
 					IFigure child = (IFigure) getChildren().get(i);
 					bounds.union(child.getBounds());
 				}
 			}
 		}
 		return bounds;
 	}

 	/*
 	 * Helper class for line labels.
 	 */
 	public class LinkLabel extends Label {
 		public LinkLabel() {
 			setBorder(new LineBorder());
 			setOpaque(true);
 			setForegroundColor(defaultLabelForeground);
 			setBackgroundColor(defaultLabelBackground);
 			setFont(defaultFont);
 			LineBorder border_ = new LineBorder(defaultLineWidth);
 			setBorder(border_);
 			border_.setColor(defaultLineColor);
 			setVisible(defaultLabelVisible);
 		}

 		public void setBorderWidth(int w) {
 			((LineBorder) getBorder()).setWidth(w);
 		}

 		public void setBorderColor(Color c) {
 			((LineBorder) getBorder()).setColor(c);
 		}

 		protected boolean useLocalCoordinates() {
 			return false;
 		}
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2004, 2006 Sybase, Inc. and others.
	*
	* All rights reserved. This program and the accompanying materials
	* are 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:
	* Sybase, Inc. - initial API and implementation
	*******************************************************************************/

	package org.eclipse.jst.jsf.facesconfig.ui.preference;

	import java.util.ArrayList;
	import java.util.List;

	import org.eclipse.draw2d.ColorConstants;
	import org.eclipse.draw2d.IFigure;
	import org.eclipse.draw2d.Label;
	import org.eclipse.draw2d.LineBorder;
	import org.eclipse.draw2d.MarginBorder;
	import org.eclipse.draw2d.MidpointLocator;
	import org.eclipse.draw2d.PolylineConnection;
	import org.eclipse.draw2d.PositionConstants;
	import org.eclipse.draw2d.geometry.PointList;
	import org.eclipse.draw2d.geometry.Rectangle;
	import org.eclipse.jface.resource.JFaceResources;
	import org.eclipse.swt.graphics.Color;
	import org.eclipse.swt.graphics.Font;
	import org.eclipse.swt.graphics.Image;

	/**
	* @author Bob
	*
	* TODO To change the template for this generated type comment go to Window -
	* Preferences - Java - Code Style - Code Templates
	*/
	public class LinkFigure extends PolylineConnection implements IBaseFigure {
	public static Color defaultLineColor = ColorConstants.black;

	public static int defaultLineWidth = 1;

	public static boolean defaultLabelVisible = false;

	public static Color defaultLabelForeground = ColorConstants.black;

	public static Color defaultLabelBackground = ColorConstants.white;

	public static Font defaultFont = JFaceResources.getFontRegistry().get(
	JFaceResources.DEFAULT_FONT);

	private LinkLabel label;

	public LinkFigure() {
	super();
	setLineWidth(defaultLineWidth);
	setForegroundColor(defaultLineColor);

	// BaseFigureDecorator decorator;
	// decorator = new
	// BaseFigureDecorator(GEMPlugin.getDefault().getGEMImage("delete.gif"),"target",PositionConstants.WEST);
	// addDecorator(decorator);
	// decorator = new
	// BaseFigureDecorator(GEMPlugin.getDefault().getGEMImage("delete.gif"),"target",PositionConstants.EAST);
	// addDecorator(decorator);
	}

	/*
	* (non-Javadoc)
	*
	* @see com.sybase.stf.gem.diagram.editor.figures.IBaseFigure#setToolTipText()
	*/
	public void setToolTipText(String text) {
	Label toolTip_ = null;

	if (text != null && text.length() > 0) {
	toolTip_ = new Label(text);
	toolTip_.setBorder(new MarginBorder(3));
	}

	super.setToolTip(toolTip_);
	}

	/*
	* (non-Javadoc)
	*
	* @see com.sybase.stf.gem.diagram.editor.figures.IBaseFigure#getToolTipText()
	*/
	public String getToolTipText() {
	if (getToolTip() != null)
	return ((Label) getToolTip()).getText();
	return null;
	}

	public void setHighlight(boolean flag) {
	if (flag) {
	setForegroundColor(ColorConstants.titleBackground);
	// setLineWidth(defaultLineWidth * 2);
	} else {
	setForegroundColor(defaultLineColor);
	// setLineWidth(defaultLineWidth);
	}
	}

	public void setSelected(boolean flag) {
	if (flag) {
	// setForegroundColor(ColorConstants.titleBackground);
	setLineWidth(defaultLineWidth * 2);
	} else {
	// setForegroundColor(defaultLineColor);
	setLineWidth(defaultLineWidth);
	}
	}

	public void setLabelVisible(boolean flag) {
	getLabel().setVisible(flag);
	}

	/*
	* (non-Javadoc)
	*
	* @see com.sybase.stf.gem.diagram.editor.figures.IBaseFigure#setText()
	*/
	public void setText(String text) {
	if (text == null && text.length() == 0) {
	if (label != null) {
	remove(label);
	label = null;
	}
	} else {
	getLabel().setText(text);
	}
	}

	/*
	* (non-Javadoc)
	*
	* @see com.sybase.stf.gem.diagram.editor.figures.IBaseFigure#getText()
	*/
	public String getText() {
	if (label == null)
	return null;
	return label.getText();
	}

	/*
	* CR374981: Long activity labels do not get wrapped or truncated This
	* method was added to the IBaseFigure interface to support direct edit of
	* figure labels on the canvas.
	*/
	public Rectangle getTextBounds() {
	return label.getTextBounds();
	}

	/*
	* (non-Javadoc)
	*
	* @see com.sybase.stf.gem.diagram.editor.figures.IBaseFigure#setIcon(org.eclipse.swt.graphics.Image)
	*/
	public void setIcon(Image image) {
	getLabel().setIcon(image);
	}

	/*
	* (non-Javadoc)
	*
	* @see com.sybase.stf.gem.diagram.editor.figures.IBaseFigure#getIcon()
	*/
	public Image getIcon() {
	return getLabel().getIcon();
	}

	/*
	* (non-Javadoc)
	*
	* @see com.sybase.stf.gem.diagram.editor.figures.IBaseFigure#addDecorator(com.sybase.stf.gem.diagram.editor.figures.BaseFigureDecorator)
	*/
	public void addDecorator(BaseFigureDecorator decorator) {
	int pos = decorator.getPosition();
	if (pos == BaseFigureDecorator.DEFAULT_DECORATOR_POSITION
	\|\| pos == PositionConstants.WEST
	\|\| pos == PositionConstants.LEFT) {
	setTargetDecoration(decorator);
	} else if (pos == PositionConstants.EAST
	\|\| pos == PositionConstants.RIGHT) {
	setSourceDecoration(decorator);
	}
	}

	/*
	* (non-Javadoc)
	*
	* @see com.sybase.stf.gem.diagram.editor.figures.IBaseFigure#removeDecorator()
	*/
	public void removeDecorator() {
	removeDecorator(BaseFigureDecorator.DEFAULT_DECORATOR_POSITION);
	}

	/*
	* (non-Javadoc)
	*
	* @see com.sybase.stf.gem.diagram.editor.figures.IBaseFigure#removeDecorator(int)
	*/
	public void removeDecorator(int position) {
	if (position == BaseFigureDecorator.DEFAULT_DECORATOR_POSITION)
	setTargetDecoration(null);
	else
	setSourceDecoration(null);
	}

	/*
	* (non-Javadoc)
	*
	* @see com.sybase.stf.gem.diagram.editor.figures.IBaseFigure#getDecorators()
	*/
	public List getDecorators() {
	List list = new ArrayList(2);
	Object d;
	d = getSourceDecoration();
	if (d != null)
	list.add(d);
	d = getTargetDecoration();
	if (d != null)
	list.add(d);
	return list;
	}

	public LinkLabel getLabel() {
	if (label == null) {
	label = new LinkLabel();
	add(label, new MidpointLocator(this, 0));
	}
	return label;
	}

	public void setLabelForeground(Color c) {
	getLabel().setForegroundColor(c);
	}

	public void setLabelBackground(Color c) {
	getLabel().setBackgroundColor(c);
	}

	public void setFont(Font f) {
	getLabel().setFont(f);
	}

	/*
	* (non-Javadoc)
	*
	* @see org.eclipse.draw2d.Shape#setLineWidth(int)
	*/
	public void setLineWidth(int w) {
	getLabel().setBorderWidth(w);
	super.setLineWidth(w);
	}

	public void setForegroundColor(Color c) {
	getLabel().setBorderColor(c);
	super.setForegroundColor(c);
	}

	/*
	* (non-Javadoc)
	*
	* @see org.eclipse.draw2d.Polyline#setPoints(org.eclipse.draw2d.geometry.PointList)
	*/
	public void setPoints(PointList points) {
	// TODO Auto-generated method stub
	super.setPoints(points);
	if (label != null) {
	int i = getPoints().size() / 2 - 1;
	if (i < 0)
	i = 0;
	if (getLayoutManager() != null)
	getLayoutManager().setConstraint(label,
	new MidpointLocator(this, i));
	}
	}

	public Rectangle getBounds() {
	if (bounds == null) {
	if (bounds == null) {
	bounds = getPoints().getBounds().getExpanded(lineWidth / 2,
	lineWidth / 2);
	}
	// CR382243: Clicking on the node icon selects the connection line
	// rather than the node
	// NOTE: expanding the bounds to include children (in this case,
	// the Link labels) causes problems when the connection line becomes
	// short (i.e., when the 2 anchor figures at each end of the
	// connection are
	// close together) because the bounds of this link figure will be
	// greater
	// than the actual length of the line. This causes the link figure
	// to
	// be hit-tested beyond its visual size.
	if (getLabel().isVisible()) {
	for (int i = 0; i < getChildren().size(); i++) {
	IFigure child = (IFigure) getChildren().get(i);
	bounds.union(child.getBounds());
	}
	}
	}
	return bounds;
	}

	/*
	* Helper class for line labels.
	*/
	public class LinkLabel extends Label {
	public LinkLabel() {
	setBorder(new LineBorder());
	setOpaque(true);
	setForegroundColor(defaultLabelForeground);
	setBackgroundColor(defaultLabelBackground);
	setFont(defaultFont);
	LineBorder border_ = new LineBorder(defaultLineWidth);
	setBorder(border_);
	border_.setColor(defaultLineColor);
	setVisible(defaultLabelVisible);
	}

	public void setBorderWidth(int w) {
	((LineBorder) getBorder()).setWidth(w);
	}

	public void setBorderColor(Color c) {
	((LineBorder) getBorder()).setColor(c);
	}

	protected boolean useLocalCoordinates() {
	return false;
	}
	}
	}