tests/org.eclipse.graphiti.testtool.sketch/src/org/eclipse/graphiti/testtool/sketch/CanFigure.java - graphiti/org.eclipse.graphiti - Git at Google

 /*******************************************************************************
  * <copyright>
  *
  * Copyright (c) 2005, 2010 SAP AG.
  * 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:
  *    SAP AG - initial API, implementation and documentation
  *
  * </copyright>
  *
  *******************************************************************************/
 package org.eclipse.graphiti.testtool.sketch;

 import org.eclipse.draw2d.ColorConstants;
 import org.eclipse.draw2d.Graphics;
 import org.eclipse.draw2d.Label;
 import org.eclipse.draw2d.RectangleFigure;
 import org.eclipse.draw2d.geometry.Insets;
 import org.eclipse.draw2d.geometry.Rectangle;
 import org.eclipse.graphiti.platform.ga.IGraphicsAlgorithmRenderer;
 import org.eclipse.graphiti.platform.ga.IVisualState;
 import org.eclipse.graphiti.platform.ga.IVisualStateChangeListener;
 import org.eclipse.graphiti.platform.ga.IVisualStateHolder;
 import org.eclipse.graphiti.platform.ga.VisualState;
 import org.eclipse.graphiti.platform.ga.VisualStateChangedEvent;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.graphics.Color;
 import org.eclipse.swt.graphics.Image;

 /**
  * The Class CanFigure.
  */
 public class CanFigure extends RectangleFigure implements IGraphicsAlgorithmRenderer, IVisualStateHolder, IVisualStateChangeListener {

 	private static final int SELECTION_LINE_WIDTH_PRIMARY = 4;

 	private static final int SELECTION_LINE_WIDTH_SECONDARY = 3;

 	private static final Color SELECTION_BACKGROUND_PRIMARY = ColorConstants.blue;

 	private static final Color SELECTION_BACKGROUND_SECONDARY = ColorConstants.lightBlue;

 	private static final boolean ADVANCED_GRAPHIC = true;

 	private static final int DEFAULT_ELLIPSE_PROPORTION = 4;

 	private static final Color DEFAULT_TEXT_COLOR = ColorConstants.black;

 	private Insets defaultFigureInsets = new Insets(2);

 	private boolean dropShadow = true;

 	private Image icon;

 	private String label = "";

 	private int mProportion = DEFAULT_ELLIPSE_PROPORTION;

 	private boolean ovalTop;

 	private Color storeColor;

 	private String storeText;

 	private Color textColor = DEFAULT_TEXT_COLOR;

 	boolean highlight = false;

 	private VisualState visualState;

 	private int storeLineWidth = -1;

 	/**
 	 * Instantiates a new can figure.
 	 *
 	 * @param ovalTop
 	 *            the oval top
 	 */
 	public CanFigure(boolean ovalTop) {
 		this(ovalTop, DEFAULT_ELLIPSE_PROPORTION);
 	}

 	/**
 	 * Instantiates a new can figure.
 	 *
 	 * @param ovalTop
 	 *            the oval top
 	 * @param ellipseProportion
 	 *            the ellipse proportion
 	 */
 	public CanFigure(boolean ovalTop, int ellipseProportion) {
 		super();
 		if (ellipseProportion > 0) {
 			mProportion = ellipseProportion;
 		}
 		this.ovalTop = ovalTop;
 	}

 	/*
 	 * (non-Javadoc)
 	 *
 	 * @see org.eclipse.draw2d.Figure#containsPoint(int, int)
 	 */
 	@Override
 	public boolean containsPoint(int x, int y) {
 		if (!super.containsPoint(x, y))
 			return false;

 		Rectangle ell = getInnerBounds().getCopy();
 		ell.height /= mProportion;

 		Rectangle topEll = ell;
 		if (containsPoint(topEll, x, y))
 			return true;

 		Rectangle bottomEll = ell.getCopy().translate(0, getHeight(ell));
 		if (containsPoint(bottomEll, x, y))
 			return true;
 		return new Rectangle(topEll.getLeft(), bottomEll.getRight()).contains(x, y);
 	}

 	/**
 	 * Gets the figure insets.
 	 *
 	 * @return the figure insets
 	 */
 	public Insets getFigureInsets() {
 		return defaultFigureInsets;
 	}

 	/**
 	 * Returns the visual state of this shape.
 	 *
 	 * @return The visual state of this shape.
 	 */
 	public IVisualState getVisualState() {
 		if (visualState == null) {
 			visualState = new VisualState();
 			visualState.addChangeListener(this);
 		}
 		return visualState;
 	}

 	/**
 	 * Is called after the visual state changed.
 	 */
 	public void visualStateChanged(VisualStateChangedEvent e) {
 		int selectionFeedback = getVisualState().getSelectionFeedback();
 		if (selectionFeedback == IVisualState.SELECTION_PRIMARY) {
 			// text
 			if (storeText == null) {
 				storeText = getCaption();
 			}
 			setCaption("primary select");

 			// text color
 			setTextColor(ColorConstants.white);

 			// background color
 			if (storeColor == null) {
 				storeColor = getBackgroundColor();
 			}
 			setBackgroundColor(SELECTION_BACKGROUND_PRIMARY);

 			// line width
 			if (storeLineWidth < 0) {
 				storeLineWidth = getLineWidth();
 			}
 			setLineWidth(SELECTION_LINE_WIDTH_PRIMARY);
 		} else if (selectionFeedback == IVisualState.SELECTION_SECONDARY) {
 			// text
 			if (storeText == null) {
 				storeText = getCaption();
 			}
 			setCaption("secondary select");

 			// text color
 			setTextColor(ColorConstants.white);

 			// background color
 			if (storeColor == null) {
 				storeColor = getBackgroundColor();
 			}
 			setBackgroundColor(SELECTION_BACKGROUND_SECONDARY);

 			// line width
 			if (storeLineWidth < 0) {
 				storeLineWidth = getLineWidth();
 			}
 			setLineWidth(SELECTION_LINE_WIDTH_SECONDARY);
 		} else if (selectionFeedback == IVisualState.SELECTION_FEEDBACK_OFF) {
 			// text color
 			if (storeText != null) {
 				setCaption(storeText);
 				storeText = null;
 			}

 			// text color
 			setTextColor(DEFAULT_TEXT_COLOR);

 			// background color
 			if (storeColor != null) {
 				setBackgroundColor(storeColor);
 				storeColor = null;
 			}

 			// line width
 			if (storeLineWidth >= 0) {
 				setLineWidth(storeLineWidth);
 				storeLineWidth = -1;
 			}
 		}
 	}

 	/**
 	 * Sets the caption.
 	 *
 	 * @param label
 	 *            the new caption
 	 */
 	public void setCaption(String label) {
 		this.label = label;
 		setToolTip(new Label(" " + label + " "));
 		repaint();
 	}

 	/**
 	 * Sets the drop shadow.
 	 *
 	 * @param dropShadow
 	 *            the new drop shadow
 	 */
 	public void setDropShadow(boolean dropShadow) {
 		this.dropShadow = dropShadow;
 	}

 	/**
 	 * Sets the highlight.
 	 *
 	 * @param highlight
 	 *            the new highlight
 	 */
 	public void setHighlight(boolean highlight) {
 		this.highlight = highlight;
 		repaint();
 	}

 	/**
 	 * Sets the icon.
 	 *
 	 * @param icon
 	 *            the new icon
 	 */
 	public void setIcon(Image icon) {
 		this.icon = icon;
 		repaint();
 	}

 	/**
 	 * Sets the text color.
 	 *
 	 * @param textColor
 	 *            the new text color
 	 */
 	public void setTextColor(Color textColor) {
 		this.textColor = textColor;
 	}

 	private boolean containsPoint(Rectangle el, int x, int y) {

 		long ux = x - el.x - el.width / 2;
 		long uy = y - el.y - el.height / 2;
 		return ((ux * ux) << 10) / (el.width * el.width) + ((uy * uy) << 10) / (el.height * el.height) <= 256;
 	}

 	private String getCaption() {
 		return label;
 	}

 	private int getHeight(Rectangle topEllipse) {
 		return getInnerBounds().height - topEllipse.height;
 	}

 	private Rectangle getInnerBounds() {
 		return getBounds().getCopy().getShrinked(defaultFigureInsets);
 	}

 	@Override
 	protected void fillShape(Graphics g) {
 		if (ADVANCED_GRAPHIC)
 			g.setAntialias(SWT.ON);
 		Rectangle upperArc = getInnerBounds();
 		upperArc.height /= mProportion;

 		Rectangle lowerArc = upperArc.getCopy().translate(0, getHeight(upperArc));
 		if (highlight) {
 			g.setBackgroundColor(ColorConstants.blue);
 			g.fillRectangle(getBounds());
 		} else if (dropShadow) {

 			for (int i = 0; i < 3; i++) {
 				switch (i) {
 				case 0:
 					g.setBackgroundColor(ColorConstants.lightGray);
 					break;
 				case 1:
 					g.setBackgroundColor(ColorConstants.gray);
 					break;
 				case 2:
 					g.setBackgroundColor(ColorConstants.darkGray);
 					break;
 				}

 				g.fillRectangle(new Rectangle(upperArc.getLeft(), lowerArc.getRight()).getTranslated(3, 3).getExpanded(-i, 1));
 				g.fillArc(new Rectangle(upperArc.getLocation(), upperArc.getBottomRight()).getTranslated(3, 2).getExpanded(-i, -i), 0, 180);
 				g.fillArc(new Rectangle(lowerArc.getLocation(), lowerArc.getBottomRight()).getTranslated(3, 3).getExpanded(-i, -i), 180,
 						180);

 			}

 		}
 		g.setBackgroundColor(getBackgroundColor());

 		g.fillRectangle(new Rectangle(upperArc.getLeft(), lowerArc.getRight()));
 		g.fillArc(new Rectangle(upperArc.getLocation(), upperArc.getBottomRight().getTranslated(0, 1)), 0, 180);
 		g.fillArc(new Rectangle(lowerArc.getLocation(), lowerArc.getBottomRight()), 180, 180);
 	}

 	@Override
 	protected void outlineShape(Graphics g) {

 		Rectangle innerBounds = getInnerBounds();

 		Rectangle ovalBounds = innerBounds.getCopy();

 		ovalBounds.height /= mProportion;

 		// Rectangle ovalBounds = ellipseBounds.getCopy().shrink((lineWidth - 1)
 		// / 2, (lineWidth - 1) / 2);
 		if (ovalTop) {
 			g.drawOval(ovalBounds);
 		} else {
 			g.drawArc(ovalBounds, 0, 180);
 		}

 		Rectangle arcBounds = ovalBounds.getCopy().translate(0, getHeight(ovalBounds));
 		g.drawLine(ovalBounds.getLeft(), arcBounds.getLeft());
 		g.drawLine(ovalBounds.getRight(), arcBounds.getRight());
 		g.drawArc(new Rectangle(arcBounds.getLocation(), arcBounds.getBottomRight().translate(-2, -1)), 180, 180);

 		int maxChars = (innerBounds.width - 40) / g.getFontMetrics().getAverageCharWidth();
 		if (maxChars < 3)
 			maxChars = 3;

 		if (label != null) {
 			String newCaption = label;
 			if (label.length() > maxChars)
 				newCaption = label.substring(0, maxChars - 3) + "...";

 			g.setForegroundColor(textColor);
 			g.drawText(newCaption, innerBounds.x + 25, innerBounds.y + innerBounds.height / 2 - 6);
 			if (icon != null)
 				g.drawImage(icon, innerBounds.x + 5, innerBounds.y + innerBounds.height / 2 - 8);
 		}
 	}
 }
	/*******************************************************************************
	* <copyright>
	*
	* Copyright (c) 2005, 2010 SAP AG.
	* 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:
	* SAP AG - initial API, implementation and documentation
	*
	* </copyright>
	*
	*******************************************************************************/
	package org.eclipse.graphiti.testtool.sketch;

	import org.eclipse.draw2d.ColorConstants;
	import org.eclipse.draw2d.Graphics;
	import org.eclipse.draw2d.Label;
	import org.eclipse.draw2d.RectangleFigure;
	import org.eclipse.draw2d.geometry.Insets;
	import org.eclipse.draw2d.geometry.Rectangle;
	import org.eclipse.graphiti.platform.ga.IGraphicsAlgorithmRenderer;
	import org.eclipse.graphiti.platform.ga.IVisualState;
	import org.eclipse.graphiti.platform.ga.IVisualStateChangeListener;
	import org.eclipse.graphiti.platform.ga.IVisualStateHolder;
	import org.eclipse.graphiti.platform.ga.VisualState;
	import org.eclipse.graphiti.platform.ga.VisualStateChangedEvent;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.graphics.Color;
	import org.eclipse.swt.graphics.Image;

	/**
	* The Class CanFigure.
	*/
	public class CanFigure extends RectangleFigure implements IGraphicsAlgorithmRenderer, IVisualStateHolder, IVisualStateChangeListener {

	private static final int SELECTION_LINE_WIDTH_PRIMARY = 4;

	private static final int SELECTION_LINE_WIDTH_SECONDARY = 3;

	private static final Color SELECTION_BACKGROUND_PRIMARY = ColorConstants.blue;

	private static final Color SELECTION_BACKGROUND_SECONDARY = ColorConstants.lightBlue;

	private static final boolean ADVANCED_GRAPHIC = true;

	private static final int DEFAULT_ELLIPSE_PROPORTION = 4;

	private static final Color DEFAULT_TEXT_COLOR = ColorConstants.black;

	private Insets defaultFigureInsets = new Insets(2);

	private boolean dropShadow = true;

	private Image icon;

	private String label = "";

	private int mProportion = DEFAULT_ELLIPSE_PROPORTION;

	private boolean ovalTop;

	private Color storeColor;

	private String storeText;

	private Color textColor = DEFAULT_TEXT_COLOR;

	boolean highlight = false;

	private VisualState visualState;

	private int storeLineWidth = -1;

	/**
	* Instantiates a new can figure.
	*
	* @param ovalTop
	* the oval top
	*/
	public CanFigure(boolean ovalTop) {
	this(ovalTop, DEFAULT_ELLIPSE_PROPORTION);
	}

	/**
	* Instantiates a new can figure.
	*
	* @param ovalTop
	* the oval top
	* @param ellipseProportion
	* the ellipse proportion
	*/
	public CanFigure(boolean ovalTop, int ellipseProportion) {
	super();
	if (ellipseProportion > 0) {
	mProportion = ellipseProportion;
	}
	this.ovalTop = ovalTop;
	}

	/*
	* (non-Javadoc)
	*
	* @see org.eclipse.draw2d.Figure#containsPoint(int, int)
	*/
	@Override
	public boolean containsPoint(int x, int y) {
	if (!super.containsPoint(x, y))
	return false;

	Rectangle ell = getInnerBounds().getCopy();
	ell.height /= mProportion;

	Rectangle topEll = ell;
	if (containsPoint(topEll, x, y))
	return true;

	Rectangle bottomEll = ell.getCopy().translate(0, getHeight(ell));
	if (containsPoint(bottomEll, x, y))
	return true;
	return new Rectangle(topEll.getLeft(), bottomEll.getRight()).contains(x, y);
	}

	/**
	* Gets the figure insets.
	*
	* @return the figure insets
	*/
	public Insets getFigureInsets() {
	return defaultFigureInsets;
	}

	/**
	* Returns the visual state of this shape.
	*
	* @return The visual state of this shape.
	*/
	public IVisualState getVisualState() {
	if (visualState == null) {
	visualState = new VisualState();
	visualState.addChangeListener(this);
	}
	return visualState;
	}

	/**
	* Is called after the visual state changed.
	*/
	public void visualStateChanged(VisualStateChangedEvent e) {
	int selectionFeedback = getVisualState().getSelectionFeedback();
	if (selectionFeedback == IVisualState.SELECTION_PRIMARY) {
	// text
	if (storeText == null) {
	storeText = getCaption();
	}
	setCaption("primary select");

	// text color
	setTextColor(ColorConstants.white);

	// background color
	if (storeColor == null) {
	storeColor = getBackgroundColor();
	}
	setBackgroundColor(SELECTION_BACKGROUND_PRIMARY);

	// line width
	if (storeLineWidth < 0) {
	storeLineWidth = getLineWidth();
	}
	setLineWidth(SELECTION_LINE_WIDTH_PRIMARY);
	} else if (selectionFeedback == IVisualState.SELECTION_SECONDARY) {
	// text
	if (storeText == null) {
	storeText = getCaption();
	}
	setCaption("secondary select");

	// text color
	setTextColor(ColorConstants.white);

	// background color
	if (storeColor == null) {
	storeColor = getBackgroundColor();
	}
	setBackgroundColor(SELECTION_BACKGROUND_SECONDARY);

	// line width
	if (storeLineWidth < 0) {
	storeLineWidth = getLineWidth();
	}
	setLineWidth(SELECTION_LINE_WIDTH_SECONDARY);
	} else if (selectionFeedback == IVisualState.SELECTION_FEEDBACK_OFF) {
	// text color
	if (storeText != null) {
	setCaption(storeText);
	storeText = null;
	}

	// text color
	setTextColor(DEFAULT_TEXT_COLOR);

	// background color
	if (storeColor != null) {
	setBackgroundColor(storeColor);
	storeColor = null;
	}

	// line width
	if (storeLineWidth >= 0) {
	setLineWidth(storeLineWidth);
	storeLineWidth = -1;
	}
	}
	}

	/**
	* Sets the caption.
	*
	* @param label
	* the new caption
	*/
	public void setCaption(String label) {
	this.label = label;
	setToolTip(new Label(" " + label + " "));
	repaint();
	}

	/**
	* Sets the drop shadow.
	*
	* @param dropShadow
	* the new drop shadow
	*/
	public void setDropShadow(boolean dropShadow) {
	this.dropShadow = dropShadow;
	}

	/**
	* Sets the highlight.
	*
	* @param highlight
	* the new highlight
	*/
	public void setHighlight(boolean highlight) {
	this.highlight = highlight;
	repaint();
	}

	/**
	* Sets the icon.
	*
	* @param icon
	* the new icon
	*/
	public void setIcon(Image icon) {
	this.icon = icon;
	repaint();
	}

	/**
	* Sets the text color.
	*
	* @param textColor
	* the new text color
	*/
	public void setTextColor(Color textColor) {
	this.textColor = textColor;
	}

	private boolean containsPoint(Rectangle el, int x, int y) {

	long ux = x - el.x - el.width / 2;
	long uy = y - el.y - el.height / 2;
	return ((ux * ux) << 10) / (el.width * el.width) + ((uy * uy) << 10) / (el.height * el.height) <= 256;
	}

	private String getCaption() {
	return label;
	}

	private int getHeight(Rectangle topEllipse) {
	return getInnerBounds().height - topEllipse.height;
	}

	private Rectangle getInnerBounds() {
	return getBounds().getCopy().getShrinked(defaultFigureInsets);
	}

	@Override
	protected void fillShape(Graphics g) {
	if (ADVANCED_GRAPHIC)
	g.setAntialias(SWT.ON);
	Rectangle upperArc = getInnerBounds();
	upperArc.height /= mProportion;

	Rectangle lowerArc = upperArc.getCopy().translate(0, getHeight(upperArc));
	if (highlight) {
	g.setBackgroundColor(ColorConstants.blue);
	g.fillRectangle(getBounds());
	} else if (dropShadow) {

	for (int i = 0; i < 3; i++) {
	switch (i) {
	case 0:
	g.setBackgroundColor(ColorConstants.lightGray);
	break;
	case 1:
	g.setBackgroundColor(ColorConstants.gray);
	break;
	case 2:
	g.setBackgroundColor(ColorConstants.darkGray);
	break;
	}

	g.fillRectangle(new Rectangle(upperArc.getLeft(), lowerArc.getRight()).getTranslated(3, 3).getExpanded(-i, 1));
	g.fillArc(new Rectangle(upperArc.getLocation(), upperArc.getBottomRight()).getTranslated(3, 2).getExpanded(-i, -i), 0, 180);
	g.fillArc(new Rectangle(lowerArc.getLocation(), lowerArc.getBottomRight()).getTranslated(3, 3).getExpanded(-i, -i), 180,
	180);

	}

	}
	g.setBackgroundColor(getBackgroundColor());

	g.fillRectangle(new Rectangle(upperArc.getLeft(), lowerArc.getRight()));
	g.fillArc(new Rectangle(upperArc.getLocation(), upperArc.getBottomRight().getTranslated(0, 1)), 0, 180);
	g.fillArc(new Rectangle(lowerArc.getLocation(), lowerArc.getBottomRight()), 180, 180);
	}

	@Override
	protected void outlineShape(Graphics g) {

	Rectangle innerBounds = getInnerBounds();

	Rectangle ovalBounds = innerBounds.getCopy();

	ovalBounds.height /= mProportion;

	// Rectangle ovalBounds = ellipseBounds.getCopy().shrink((lineWidth - 1)
	// / 2, (lineWidth - 1) / 2);
	if (ovalTop) {
	g.drawOval(ovalBounds);
	} else {
	g.drawArc(ovalBounds, 0, 180);
	}

	Rectangle arcBounds = ovalBounds.getCopy().translate(0, getHeight(ovalBounds));
	g.drawLine(ovalBounds.getLeft(), arcBounds.getLeft());
	g.drawLine(ovalBounds.getRight(), arcBounds.getRight());
	g.drawArc(new Rectangle(arcBounds.getLocation(), arcBounds.getBottomRight().translate(-2, -1)), 180, 180);

	int maxChars = (innerBounds.width - 40) / g.getFontMetrics().getAverageCharWidth();
	if (maxChars < 3)
	maxChars = 3;

	if (label != null) {
	String newCaption = label;
	if (label.length() > maxChars)
	newCaption = label.substring(0, maxChars - 3) + "...";

	g.setForegroundColor(textColor);
	g.drawText(newCaption, innerBounds.x + 25, innerBounds.y + innerBounds.height / 2 - 6);
	if (icon != null)
	g.drawImage(icon, innerBounds.x + 5, innerBounds.y + innerBounds.height / 2 - 8);
	}
	}
	}