bundles/org.eclipse.rap.zest.core/src/org/eclipse/zest/core/widgets/internal/ExpandGraphLabel.java - rap/incubator/org.eclipse.rap.incubator.gef - Git at Google

 /*******************************************************************************
  * Copyright 2005-2006, CHISEL Group, University of Victoria, Victoria, BC,
  * Canada. 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: The Chisel Group, University of Victoria
  ******************************************************************************/
 package org.eclipse.zest.core.widgets.internal;

 import org.eclipse.draw2d.ActionEvent;
 import org.eclipse.draw2d.ActionListener;
 import org.eclipse.draw2d.Clickable;
 import org.eclipse.draw2d.ColorConstants;
 import org.eclipse.draw2d.Figure;
 import org.eclipse.draw2d.FigureUtilities;
 import org.eclipse.draw2d.FreeformLayout;
 import org.eclipse.draw2d.Graphics;
 import org.eclipse.draw2d.Label;
 import org.eclipse.draw2d.ToolbarLayout;
 import org.eclipse.draw2d.Triangle;
 import org.eclipse.draw2d.geometry.Dimension;
 import org.eclipse.draw2d.geometry.Point;
 import org.eclipse.draw2d.geometry.Rectangle;
 import org.eclipse.swt.graphics.Color;
 import org.eclipse.swt.graphics.Font;
 import org.eclipse.swt.graphics.Image;
 import org.eclipse.swt.graphics.RGB;
 import org.eclipse.swt.widgets.Display;
 import org.eclipse.zest.core.widgets.GraphContainer;

 public class ExpandGraphLabel extends Figure implements ActionListener {

 	public static final int OPEN = 1;
 	public static final int CLOSED = 2;
 	private int state = CLOSED;
 	private Expander expander = null;

 	class Expander extends Clickable {
 		private Triangle triangle;

 		public Expander() {
 			setStyle(Clickable.STYLE_TOGGLE);
 			triangle = new Triangle();
 			triangle.setSize(10, 10);
 			triangle.setBackgroundColor(ColorConstants.black);
 			triangle.setForegroundColor(ColorConstants.black);
 			triangle.setFill(true);
 			triangle.setDirection(Triangle.EAST);
 			triangle.setLocation(new Point(5, 3));
 			this.setLayoutManager(new FreeformLayout());
 			this.add(triangle);
 			this.setPreferredSize(15, 15);
 			this.addActionListener(ExpandGraphLabel.this);
 		}

 		public void open() {
 			triangle.setDirection(Triangle.SOUTH);
 		}

 		public void close() {
 			triangle.setDirection(Triangle.EAST);
 		}

 	}

 	/**
 	 * Sets the expander state (the little triangle) to ExpanderGraphLabel.OPEN or ExpanderGraphLabel.CLOSED
 	 * @param state
 	 */
 	public void setExpandedState(int state) {
 		if (state == OPEN) {
 			expander.open();
 		} else {
 			expander.close();
 		}
 		this.state = state;
 	}

 	/*
 	 * (non-Javadoc)
 	 * @see org.eclipse.draw2d.ActionListener#actionPerformed(org.eclipse.draw2d.ActionEvent)
 	 */
 	public void actionPerformed(ActionEvent event) {
 		if (state == OPEN) {
 			container.close(true);

 		} else {
 			container.open(true);
 		}
 	}

 	private int arcWidth;
 	private Label label = null;
 	private final GraphContainer container;
 	private ToolbarLayout layout;

 	public ExpandGraphLabel(GraphContainer container, boolean cacheLabel) {
 		this(container, "", null, cacheLabel);
 	}

 	public ExpandGraphLabel(GraphContainer container, Image i, boolean cacheLabel) {
 		this(container, "", i, cacheLabel);
 	}

 	public ExpandGraphLabel(GraphContainer container, String text, boolean cacheLabel) {
 		this(container, text, null, cacheLabel);
 	}

 	public ExpandGraphLabel(GraphContainer container, String text, Image image, boolean cacheLabel) {
 		this.label = new Label(text) {

 			/*
 			 * This method is overwritten so that the text is not truncated.
 			 * (non-Javadoc)
 			 * @see org.eclipse.draw2d.Label#paintFigure(org.eclipse.draw2d.Graphics)
 			 */
 			protected void paintFigure(Graphics graphics) {
 				if (isOpaque()) {
 					super.paintFigure(graphics);
 				}
 				Rectangle bounds = getBounds();
 				graphics.translate(bounds.x, bounds.y);
 				if (getIcon() != null) {
 					graphics.drawImage(getIcon(), getIconLocation());
 				}
 				if (!isEnabled()) {
 					graphics.translate(1, 1);
 					graphics.setForegroundColor(ColorConstants.buttonLightest);
 					graphics.drawText(getSubStringText(), getTextLocation());
 					graphics.translate(-1, -1);
 					graphics.setForegroundColor(ColorConstants.buttonDarker);
 				}
 				graphics.drawText(getText(), getTextLocation());
 				graphics.translate(-bounds.x, -bounds.y);
 			}
 		};
 		this.setText(text);
 		this.setImage(image);
 		this.container = container;
 		this.expander = new Expander();
 		this.arcWidth = 8;
 		this.setFont(Display.getDefault().getSystemFont());
 		layout = new ToolbarLayout(true);
 		layout.setSpacing(5);
 		layout.setMinorAlignment(ToolbarLayout.ALIGN_CENTER);
 		this.setLayoutManager(layout);
 		this.add(this.expander);
 		this.add(this.label);
 		//this.remove(this.label);
 	}

 	/**
 	 * Adjust the bounds to make the text fit without truncation.
 	 */
 	protected void adjustBoundsToFit() {
 		String text = getText();
 		if ((text != null) && (text.length() > 0)) {
 			Font font = getFont();
 			if (font != null) {
 				Dimension minSize = FigureUtilities.getTextExtents(text, font);
 				if (getIcon() != null) {
 					org.eclipse.swt.graphics.Rectangle imageRect = getIcon().getBounds();
 					int expandHeight = Math.max(imageRect.height - minSize.height, 0);
 					minSize.expand(imageRect.width + 4, expandHeight);
 				}
 				minSize.expand(10 + (2 * 1) + 100, 4 + (2 * 1));
 				label.setBounds(new Rectangle(getLocation(), minSize));
 			}
 		}
 	}

 	private Image getIcon() {
 		return this.label.getIcon();
 	}

 	private String getText() {
 		return this.label.getText();
 	}

 	/*
 	 * (non-Javadoc)
 	 *
 	 * @see org.eclipse.draw2d.Label#paintFigure(org.eclipse.draw2d.Graphics)
 	 */
 	public void paint(Graphics graphics) {

 		int blue = getBackgroundColor().getBlue();
 		blue = (int) (blue - (blue * 0.20));
 		blue = blue > 0 ? blue : 0;

 		int red = getBackgroundColor().getRed();
 		red = (int) (red - (red * 0.20));
 		red = red > 0 ? red : 0;

 		int green = getBackgroundColor().getGreen();
 		green = (int) (green - (green * 0.20));
 		green = green > 0 ? green : 0;

 		Color lightenColor = new Color(Display.getCurrent(), new RGB(red, green, blue));
 		graphics.setForegroundColor(lightenColor);
 		graphics.setBackgroundColor(getBackgroundColor());

 		graphics.pushState();

 		// fill in the background
 		Rectangle bounds = getBounds().getCopy();
 		Rectangle r = bounds.getCopy();
 		//r.x += arcWidth / 2;
 		r.y += arcWidth / 2;
 		//r.width -= arcWidth;
 		r.height -= arcWidth;

 		Rectangle top = bounds.getCopy();
 		top.height /= 2;
 		//graphics.setForegroundColor(lightenColor);
 		//graphics.setBackgroundColor(lightenColor);
 		graphics.setForegroundColor(getBackgroundColor());
 		graphics.setBackgroundColor(getBackgroundColor());
 		graphics.fillRoundRectangle(top, arcWidth, arcWidth);

 		top.y = top.y + top.height;
 		//graphics.setForegroundColor(getBackgroundColor());
 		//graphics.setBackgroundColor(getBackgroundColor());
 		graphics.setForegroundColor(lightenColor);
 		graphics.setBackgroundColor(lightenColor);
 		graphics.fillRoundRectangle(top, arcWidth, arcWidth);

 		//graphics.setForegroundColor(lightenColor);
 		//graphics.setBackgroundColor(getBackgroundColor());
 		graphics.setBackgroundColor(lightenColor);
 		graphics.setForegroundColor(getBackgroundColor());
 		graphics.fillGradient(r, true);

 		super.paint(graphics);
 		graphics.popState();
 		graphics.setForegroundColor(lightenColor);
 		graphics.setBackgroundColor(lightenColor);
 		// paint the border
 		bounds.setSize(bounds.width - 1, bounds.height - 1);
 		graphics.drawRoundRectangle(bounds, arcWidth, arcWidth);
 		lightenColor.dispose();
 	}

 //	public Dimension getPreferredSize(int hint, int hint2) {
 //	return this.label.getPreferredSize();
 //}

 	public void setTextT(String string) {
 		this.setPreferredSize(null);
 		this.label.setText(string);
 		this.add(label);
 		//System.out.println(this.label.getPreferredSize());
 		this.layout.layout(this);
 		this.invalidate();
 		this.revalidate();
 		this.validate();
 		//this.remove(label);
 	}

 	public void setText(String string) {
 		this.label.setText(string);
 		//this.label.setPreferredSize(500, 30);
 		//adjustBoundsToFit();
 	}

 	public void setImage(Image image) {
 		this.label.setIcon(image);
 		//adjustBoundsToFit();
 	}

 	public void setLocation(Point p) {
 		// TODO Auto-generated method stub
 		super.setLocation(p);
 	}

 	public void setBounds(Rectangle rect) {
 		// TODO Auto-generated method stub
 		super.setBounds(rect);
 	}

 }
	/*******************************************************************************
	* Copyright 2005-2006, CHISEL Group, University of Victoria, Victoria, BC,
	* Canada. 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: The Chisel Group, University of Victoria
	******************************************************************************/
	package org.eclipse.zest.core.widgets.internal;

	import org.eclipse.draw2d.ActionEvent;
	import org.eclipse.draw2d.ActionListener;
	import org.eclipse.draw2d.Clickable;
	import org.eclipse.draw2d.ColorConstants;
	import org.eclipse.draw2d.Figure;
	import org.eclipse.draw2d.FigureUtilities;
	import org.eclipse.draw2d.FreeformLayout;
	import org.eclipse.draw2d.Graphics;
	import org.eclipse.draw2d.Label;
	import org.eclipse.draw2d.ToolbarLayout;
	import org.eclipse.draw2d.Triangle;
	import org.eclipse.draw2d.geometry.Dimension;
	import org.eclipse.draw2d.geometry.Point;
	import org.eclipse.draw2d.geometry.Rectangle;
	import org.eclipse.swt.graphics.Color;
	import org.eclipse.swt.graphics.Font;
	import org.eclipse.swt.graphics.Image;
	import org.eclipse.swt.graphics.RGB;
	import org.eclipse.swt.widgets.Display;
	import org.eclipse.zest.core.widgets.GraphContainer;

	public class ExpandGraphLabel extends Figure implements ActionListener {

	public static final int OPEN = 1;
	public static final int CLOSED = 2;
	private int state = CLOSED;
	private Expander expander = null;

	class Expander extends Clickable {
	private Triangle triangle;

	public Expander() {
	setStyle(Clickable.STYLE_TOGGLE);
	triangle = new Triangle();
	triangle.setSize(10, 10);
	triangle.setBackgroundColor(ColorConstants.black);
	triangle.setForegroundColor(ColorConstants.black);
	triangle.setFill(true);
	triangle.setDirection(Triangle.EAST);
	triangle.setLocation(new Point(5, 3));
	this.setLayoutManager(new FreeformLayout());
	this.add(triangle);
	this.setPreferredSize(15, 15);
	this.addActionListener(ExpandGraphLabel.this);
	}

	public void open() {
	triangle.setDirection(Triangle.SOUTH);
	}

	public void close() {
	triangle.setDirection(Triangle.EAST);
	}

	}

	/**
	* Sets the expander state (the little triangle) to ExpanderGraphLabel.OPEN or ExpanderGraphLabel.CLOSED
	* @param state
	*/
	public void setExpandedState(int state) {
	if (state == OPEN) {
	expander.open();
	} else {
	expander.close();
	}
	this.state = state;
	}

	/*
	* (non-Javadoc)
	* @see org.eclipse.draw2d.ActionListener#actionPerformed(org.eclipse.draw2d.ActionEvent)
	*/
	public void actionPerformed(ActionEvent event) {
	if (state == OPEN) {
	container.close(true);

	} else {
	container.open(true);
	}
	}

	private int arcWidth;
	private Label label = null;
	private final GraphContainer container;
	private ToolbarLayout layout;

	public ExpandGraphLabel(GraphContainer container, boolean cacheLabel) {
	this(container, "", null, cacheLabel);
	}

	public ExpandGraphLabel(GraphContainer container, Image i, boolean cacheLabel) {
	this(container, "", i, cacheLabel);
	}

	public ExpandGraphLabel(GraphContainer container, String text, boolean cacheLabel) {
	this(container, text, null, cacheLabel);
	}

	public ExpandGraphLabel(GraphContainer container, String text, Image image, boolean cacheLabel) {
	this.label = new Label(text) {

	/*
	* This method is overwritten so that the text is not truncated.
	* (non-Javadoc)
	* @see org.eclipse.draw2d.Label#paintFigure(org.eclipse.draw2d.Graphics)
	*/
	protected void paintFigure(Graphics graphics) {
	if (isOpaque()) {
	super.paintFigure(graphics);
	}
	Rectangle bounds = getBounds();
	graphics.translate(bounds.x, bounds.y);
	if (getIcon() != null) {
	graphics.drawImage(getIcon(), getIconLocation());
	}
	if (!isEnabled()) {
	graphics.translate(1, 1);
	graphics.setForegroundColor(ColorConstants.buttonLightest);
	graphics.drawText(getSubStringText(), getTextLocation());
	graphics.translate(-1, -1);
	graphics.setForegroundColor(ColorConstants.buttonDarker);
	}
	graphics.drawText(getText(), getTextLocation());
	graphics.translate(-bounds.x, -bounds.y);
	}
	};
	this.setText(text);
	this.setImage(image);
	this.container = container;
	this.expander = new Expander();
	this.arcWidth = 8;
	this.setFont(Display.getDefault().getSystemFont());
	layout = new ToolbarLayout(true);
	layout.setSpacing(5);
	layout.setMinorAlignment(ToolbarLayout.ALIGN_CENTER);
	this.setLayoutManager(layout);
	this.add(this.expander);
	this.add(this.label);
	//this.remove(this.label);
	}

	/**
	* Adjust the bounds to make the text fit without truncation.
	*/
	protected void adjustBoundsToFit() {
	String text = getText();
	if ((text != null) && (text.length() > 0)) {
	Font font = getFont();
	if (font != null) {
	Dimension minSize = FigureUtilities.getTextExtents(text, font);
	if (getIcon() != null) {
	org.eclipse.swt.graphics.Rectangle imageRect = getIcon().getBounds();
	int expandHeight = Math.max(imageRect.height - minSize.height, 0);
	minSize.expand(imageRect.width + 4, expandHeight);
	}
	minSize.expand(10 + (2 * 1) + 100, 4 + (2 * 1));
	label.setBounds(new Rectangle(getLocation(), minSize));
	}
	}
	}

	private Image getIcon() {
	return this.label.getIcon();
	}

	private String getText() {
	return this.label.getText();
	}

	/*
	* (non-Javadoc)
	*
	* @see org.eclipse.draw2d.Label#paintFigure(org.eclipse.draw2d.Graphics)
	*/
	public void paint(Graphics graphics) {

	int blue = getBackgroundColor().getBlue();
	blue = (int) (blue - (blue * 0.20));
	blue = blue > 0 ? blue : 0;

	int red = getBackgroundColor().getRed();
	red = (int) (red - (red * 0.20));
	red = red > 0 ? red : 0;

	int green = getBackgroundColor().getGreen();
	green = (int) (green - (green * 0.20));
	green = green > 0 ? green : 0;

	Color lightenColor = new Color(Display.getCurrent(), new RGB(red, green, blue));
	graphics.setForegroundColor(lightenColor);
	graphics.setBackgroundColor(getBackgroundColor());

	graphics.pushState();

	// fill in the background
	Rectangle bounds = getBounds().getCopy();
	Rectangle r = bounds.getCopy();
	//r.x += arcWidth / 2;
	r.y += arcWidth / 2;
	//r.width -= arcWidth;
	r.height -= arcWidth;

	Rectangle top = bounds.getCopy();
	top.height /= 2;
	//graphics.setForegroundColor(lightenColor);
	//graphics.setBackgroundColor(lightenColor);
	graphics.setForegroundColor(getBackgroundColor());
	graphics.setBackgroundColor(getBackgroundColor());
	graphics.fillRoundRectangle(top, arcWidth, arcWidth);

	top.y = top.y + top.height;
	//graphics.setForegroundColor(getBackgroundColor());
	//graphics.setBackgroundColor(getBackgroundColor());
	graphics.setForegroundColor(lightenColor);
	graphics.setBackgroundColor(lightenColor);
	graphics.fillRoundRectangle(top, arcWidth, arcWidth);

	//graphics.setForegroundColor(lightenColor);
	//graphics.setBackgroundColor(getBackgroundColor());
	graphics.setBackgroundColor(lightenColor);
	graphics.setForegroundColor(getBackgroundColor());
	graphics.fillGradient(r, true);

	super.paint(graphics);
	graphics.popState();
	graphics.setForegroundColor(lightenColor);
	graphics.setBackgroundColor(lightenColor);
	// paint the border
	bounds.setSize(bounds.width - 1, bounds.height - 1);
	graphics.drawRoundRectangle(bounds, arcWidth, arcWidth);
	lightenColor.dispose();
	}

	// public Dimension getPreferredSize(int hint, int hint2) {
	// return this.label.getPreferredSize();
	//}

	public void setTextT(String string) {
	this.setPreferredSize(null);
	this.label.setText(string);
	this.add(label);
	//System.out.println(this.label.getPreferredSize());
	this.layout.layout(this);
	this.invalidate();
	this.revalidate();
	this.validate();
	//this.remove(label);
	}

	public void setText(String string) {
	this.label.setText(string);
	//this.label.setPreferredSize(500, 30);
	//adjustBoundsToFit();
	}

	public void setImage(Image image) {
	this.label.setIcon(image);
	//adjustBoundsToFit();
	}

	public void setLocation(Point p) {
	// TODO Auto-generated method stub
	super.setLocation(p);
	}

	public void setBounds(Rectangle rect) {
	// TODO Auto-generated method stub
	super.setBounds(rect);
	}

	}