Attachment 154797 Details for Bug 297901 – ListScrollBar Fix

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[patch] ListScrollBar Fix

297901ScrollBarFix.txt (text/plain), 27.48 KB, created by Lidija Grahek

on 2009-12-18 12:31:30 EST

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Creator: Lidija Grahek

Created: 2009-12-18 12:31:30 EST

Size: 27.48 KB

patch

obsolete

>### Eclipse Workspace Patch 1.0
>#P org.eclipse.gmf.runtime.draw2d.ui
>Index: src/org/eclipse/gmf/runtime/draw2d/ui/figures/ListScrollBar.java
>===================================================================
>RCS file: /cvsroot/modeling/org.eclipse.gmf/plugins/org.eclipse.gmf.runtime.draw2d.ui/src/org/eclipse/gmf/runtime/draw2d/ui/figures/ListScrollBar.java,v
>retrieving revision 1.9
>diff -u -r1.9 ListScrollBar.java
>--- src/org/eclipse/gmf/runtime/draw2d/ui/figures/ListScrollBar.java	9 Feb 2007 20:53:14 -0000	1.9
>+++ src/org/eclipse/gmf/runtime/draw2d/ui/figures/ListScrollBar.java	18 Dec 2009 17:33:33 -0000
>@@ -1,5 +1,5 @@
> /******************************************************************************
>- * Copyright (c) 2002, 2007 IBM Corporation and others.
>+ * Copyright (c) 2002, 2009 IBM Corporation 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
>@@ -11,47 +11,50 @@
> 
> package org.eclipse.gmf.runtime.draw2d.ui.figures;
> 
>-import java.beans.PropertyChangeEvent;
>-import java.beans.PropertyChangeListener;
>-
> import org.eclipse.draw2d.Border;
> import org.eclipse.draw2d.ChangeEvent;
> import org.eclipse.draw2d.ChangeListener;
> import org.eclipse.draw2d.Clickable;
> import org.eclipse.draw2d.ColorConstants;
>+import org.eclipse.draw2d.Figure;
> import org.eclipse.draw2d.Graphics;
> import org.eclipse.draw2d.IFigure;
> import org.eclipse.draw2d.MarginBorder;
>+import org.eclipse.draw2d.MouseEvent;
> import org.eclipse.draw2d.Panel;
>-import org.eclipse.draw2d.SchemeBorder;
> import org.eclipse.draw2d.ScrollBar;
> import org.eclipse.draw2d.geometry.Dimension;
> import org.eclipse.draw2d.geometry.Insets;
>-import org.eclipse.gmf.runtime.draw2d.ui.graphics.GCUtilities;
>-import org.eclipse.gmf.runtime.draw2d.ui.internal.figures.DropShadowButtonBorder;
>-import org.eclipse.gmf.runtime.draw2d.ui.internal.figures.ImageFigureEx;
>-import org.eclipse.gmf.runtime.draw2d.ui.internal.l10n.Draw2dUIPluginImages;
>-import org.eclipse.swt.SWT;
>-import org.eclipse.swt.graphics.Image;
>-import org.eclipse.swt.graphics.ImageData;
>+import org.eclipse.draw2d.geometry.Point;
>+import org.eclipse.draw2d.geometry.PointList;
>+import org.eclipse.draw2d.geometry.Rectangle;
>+import org.eclipse.gmf.runtime.draw2d.ui.mapmode.IMapMode;
>+import org.eclipse.gmf.runtime.draw2d.ui.mapmode.MapModeUtil;
>+import org.eclipse.swt.graphics.Color;
> import org.eclipse.swt.graphics.RGB;
>-import org.eclipse.swt.widgets.Display;
> 
> 
> /**
>+ * Customizes the look of GEF's ScrollBar
>  * 
>  * @author sshaw
>+ * @author lgrahek
>  *
>  */
> public class ListScrollBar extends ScrollBar {
> 
>-	static private ImageConstants icons = new ImageConstants();
>-	private Image upIcon, upPressedIcon, upGrayedIcon, downIcon, downPressedIcon, downGrayedIcon;
>-
>-	private ImageFigureEx upLabel;
>-	private ImageFigureEx downLabel;
>-
>-	private static Border dropshadow = new DropShadowButtonBorder();
>+	protected ArrowButton downButtonFigure;
>+	protected ArrowButton upButtonFigure;
>+	ThumbFigure thumb;
>+	
>+	protected static Color fillLightGrey = new Color(null, new RGB(240, 240, 240));
>+	protected static Color outlineLightGrey = new Color(null, new RGB(185, 185, 185));
>+	protected static Color fillDarkGrey = new Color(null, new RGB(84, 84, 84));
>+	protected static Color outlineDarkGrey = new Color(null, new RGB(109, 109, 109));
>+	protected static Color arrowFill = new Color(null, new RGB(187, 187, 187));
>+	
>+	protected int mm_1;
>+	protected int mm_2;
> 
> 	/**
> 	 * Constructor
>@@ -69,19 +72,22 @@
> 	public ListScrollBar(int orientation, Insets insets, Dimension size, int stepInc, int pageInc) {
> 		setOrientation(orientation);
> 		
>-		Border margin = new MarginBorder(insets.top, insets.left, insets.bottom, insets.right);
>-		
>+		Border margin = new MarginBorder(insets.top, insets.left, insets.bottom, insets.right);		
> 		setBorder(margin);
> 		setPreferredSize(size.width, size.height);
> 		setStepIncrement(stepInc);
> 		setPageIncrement(pageInc);
>-
>-		upIcon = isHorizontal()? icons.left : icons.up;
>-		upPressedIcon = isHorizontal()? icons.leftPressed : icons.upPressed;
>-		upGrayedIcon = isHorizontal()? icons.leftGrayed : icons.upGrayed;
>-		downIcon = isHorizontal()? icons.right : icons.down;
>-		downPressedIcon = isHorizontal()? icons.rightPressed : icons.downPressed;
>-		downGrayedIcon = isHorizontal()? icons.rightGrayed : icons.downGrayed;
>+		if (isHorizontal()) {
>+			downButtonFigure.setDirection(EAST);
>+			upButtonFigure.setDirection(WEST);
>+		} else {
>+			downButtonFigure.setDirection(SOUTH);
>+			upButtonFigure.setDirection(NORTH);
>+		}
>+		
>+        IMapMode mm= MapModeUtil.getMapMode(this);
>+        mm_1 = mm.DPtoLP(1);
>+        mm_2 = mm.DPtoLP(2);
> 	}
> 
> 
>@@ -89,24 +95,22 @@
> 	 * @see org.eclipse.draw2d.ScrollBar#createDefaultDownButton()
> 	 */
> 	protected Clickable createDefaultDownButton() {
>-		downLabel = new ImageFigureEx(downIcon);
>-		downLabel.setOpaque(true);
>-		addPropertyChangeListener(new PropertyChangeListener() {
>-			public void propertyChange(PropertyChangeEvent event) {
>-				updateDownLabel();
>-			}
>-		});
>-		Clickable button = new Clickable(downLabel);
>+		downButtonFigure = new ArrowButton();
>+		downButtonFigure.setBorder(new MarginBorder(new Insets(mm_1)));
>+		Clickable button = new Clickable(downButtonFigure) {
>+			@Override
>+			public boolean hasFocus() {
>+				return false;
>+			}		
>+		};
> 		button.getModel().addChangeListener(new ChangeListener() {
> 			public void handleStateChanged(ChangeEvent event) {
>-				updateDownLabel();
>+				updateDownColors();
> 			}
> 		});
> 
> 		button.setFiringMethod(Clickable.REPEAT_FIRING);
> 		button.setRolloverEnabled(true);
>-		button.setBorder(dropshadow);
>-		button.setOpaque(false);
> 		return button;
> 	}
> 
>@@ -114,25 +118,23 @@
> 	 * @see org.eclipse.draw2d.ScrollBar#createDefaultUpButton()
> 	 */
> 	protected Clickable createDefaultUpButton() {
>-		upLabel = new ImageFigureEx(upIcon);
>-		upLabel.setOpaque(true);
>-		addPropertyChangeListener(new PropertyChangeListener() {
>-			public void propertyChange(PropertyChangeEvent event) {
>-				updateUpLabel();
>-			}
>-		});
>-		Clickable button = new Clickable(upLabel);
>+		upButtonFigure = new ArrowButton();
>+		upButtonFigure.setBorder(new MarginBorder(new Insets(mm_1)));
>+		Clickable button = new Clickable(upButtonFigure) {
>+			@Override
>+			public boolean hasFocus() {
>+				return false;
>+			}		
>+		};
> 		button.getModel().addChangeListener(new ChangeListener() {
> 			public void handleStateChanged(ChangeEvent event) {
>-				updateUpLabel();
>+				updateUpColors();
> 			}
> 		});
> 
> 		button.setFiringMethod(Clickable.REPEAT_FIRING);
> 		button.setRolloverEnabled(true);
>-		button.setBorder(dropshadow);
>-		button.setOpaque(false);
>-		return button;
>+		return button;		
> 	}
> 
> 	/* (non-Javadoc)
>@@ -142,136 +144,362 @@
> 		super.initialize();
> 		setPageUp(null);
> 		setPageDown(null);
>-		setOpaque(false);
>+		setOpaque(true);
> 	}
> 	
> 	/* (non-Javadoc)
> 	 * @see org.eclipse.draw2d.ScrollBar#createDefaultThumb()
> 	 */
> 	protected IFigure createDefaultThumb() {
>-		Panel thumb = new Panel() {
>-
>-			public void paint(Graphics graphics) {
>-				if (GCUtilities.supportsAdvancedGraphics()){
>-					graphics.setAlpha(128);
>-				}
>-				super.paint(graphics);
>-			}
>-			
>-		};
>+		thumbDragger = new ThumbDraggerColors();
>+		
>+		thumb = new ThumbFigure();
> 		thumb.setMinimumSize(new Dimension(6, 6));
>-		thumb.setBackgroundColor(ColorConstants.button);
>-
>-		thumb.setBorder(new SchemeBorder(SchemeBorder.SCHEMES.RIDGED));
> 		return thumb;
> 	}
> 
>-
>-	private void updateDownLabel() {
>-		Image icon = null;
>-		if (((Clickable) getButtonDown()).getModel().isPressed()
>-			|| !((Clickable) getButtonDown()).getModel().isMouseOver())
>-			icon = downPressedIcon;
>-		if (getValue() >= (getMaximum() - getExtent())) {
>-			icon = downGrayedIcon;
>-			getButtonDown().setEnabled(false);
>-		} else {
>-			getButtonDown().setEnabled(true);
>-			if (icon == null)
>-				icon = downIcon;
>+	/**
>+	 * Updates colors of down button depending on its state (highlighted,
>+	 * pressed, or neither)
>+	 */
>+	protected void updateDownColors() {
>+		boolean pressed = false;
>+		boolean highlighted = false;
>+		if (getValue() < (getMaximum() - getExtent())) {
>+			// Arrow is scrollable
>+			if (((Clickable) getButtonDown()).getModel().isPressed()) {
>+				pressed = true;
>+			} else if (((Clickable) getButtonDown()).getModel().isMouseOver()) {
>+				highlighted = true;
>+			}
>+		}
>+		boolean doRepaint = false;
>+		if (downButtonFigure.isHighlighted() != highlighted) {
>+			downButtonFigure.setHighlighted(highlighted);
>+			doRepaint = true;
>+		}
>+		if (downButtonFigure.isPressed() != pressed) {
>+			doRepaint = true;
>+			downButtonFigure.setPressed(pressed);
>+		}
>+		if (doRepaint) {
>+			// Just changing color, no recalculation of arrow position needed
>+			downButtonFigure.setRecalculate(false);			
>+			downButtonFigure.repaint();
> 		}
>-		downLabel.setImage(icon);
> 	}
> 
>-	private void updateUpLabel() {
>-		Image icon = null;
>-		if (((Clickable) getButtonUp()).getModel().isPressed()
>-			|| !((Clickable) getButtonUp()).getModel().isMouseOver())
>-			icon = upPressedIcon;
>-		if (getValue() <= getMinimum()) {
>-			icon = upGrayedIcon;
>-			getButtonUp().setEnabled(false);
>-		} else {
>-			getButtonUp().setEnabled(true);
>-			if (icon == null)
>-				icon = upIcon;
>+	/**
>+	 * Updates colors of up button depending on its state (highlighted,
>+	 * pressed, or neither)
>+	 */	
>+	protected void updateUpColors() {
>+		boolean pressed = false;
>+		boolean highlighted = false;
>+		if (getValue() > getMinimum()) {
>+			// Arrow is scrollable			
>+			if (((Clickable) getButtonUp()).getModel().isPressed()) {
>+				pressed = true;
>+			} else if (((Clickable) getButtonUp()).getModel().isMouseOver()) {
>+				highlighted = true;
>+			}
>+		}
>+		boolean doRepaint = false;
>+		if (upButtonFigure.isHighlighted() != highlighted) {
>+			upButtonFigure.setHighlighted(highlighted);
>+			doRepaint = true;
>+		}
>+		if (upButtonFigure.isPressed() != pressed) {
>+			doRepaint = true;
>+			upButtonFigure.setPressed(pressed);
>+		}
>+		if (doRepaint) {
>+			// Just changing color, no recalculation of arrow position needed
>+			upButtonFigure.setRecalculate(false);
>+			upButtonFigure.repaint();
> 		}
>-		upLabel.setImage(icon);
> 	}
> 
> 	/**
>-	 * @author sshaw
>+	 * Figure that defines the content for up and down buttons
>+	 * 
>+	 * @author lgrahek
>+	 * 
>+	 * @since 1.2
> 	 *
> 	 */
>-	static private class ImageConstants {
>+	protected class ArrowButton extends Figure 
>+	{
>+		private PointList arrow = new PointList();
>+		private boolean recalculate;
>+		private int direction;
>+		private boolean highlighted;
>+		private boolean pressed;		
>+
>+		@Override
>+		protected void paintFigure(Graphics g) {
>+			Rectangle r = getBounds();
>+			// If not pressed, fill with white, so later there will be 1px of
>+			// white left around outline.
>+			g.setAlpha(130);
>+			if (!pressed) {
>+				g.setBackgroundColor(ColorConstants.white);
>+				g.fillRectangle(r);
>+			}						
>+			// Draw the outline (none when button is pressed)
>+			if (!pressed) {
>+				g.setLineWidth(mm_1);
>+				if (highlighted) {
>+					g.setForegroundColor(outlineDarkGrey);
>+				} else {
>+					g.setForegroundColor(outlineLightGrey);
>+				}
>+				g.drawRectangle(r);
>+			}
>+						
>+			// Fill the interior. If not pressed, leave 1px white between outline and filled area.
>+			if (pressed) {
>+				g.setBackgroundColor(fillDarkGrey);
>+			} else {
>+				g.setBackgroundColor(fillLightGrey);
>+				r = r.getCopy().shrink(mm_2, mm_2);
>+			}
>+			g.fillRectangle(r);		
>+			
>+			// Draw the arrow
>+			if (pressed) {
>+				r = r.getCopy().shrink(mm_2, mm_2);
>+			}
>+			if (recalculate || arrow.size() == 0) {
>+				int size;
>+				switch (direction) {
>+					case EAST:
>+					case WEST:
>+						size = Math.min(r.height / 2, r.width);
>+						r.x += (r.width - size) / 2;
>+						break;
>+					default: //North or south
>+						size = Math.min(r.height, r.width / 2);
>+						r.y += (r.height - size) / 2;
>+						break;
>+				}
>+				size = Math.max(size, 1); //Size cannot be negative		
>+				Point head, p2, p3;
>+				switch (direction) {
>+					case NORTH:
>+						head = new Point(r.x + r.width / 2, r.y);
>+						p2   = new Point (head.x - size, head.y + size);
>+						p3   = new Point (head.x + size, head.y + size);
>+						break;
>+					case SOUTH:
>+						head = new Point (r.x + r.width / 2, r.y + size);
>+						p2   = new Point (head.x - size, head.y - size);
>+						p3   = new Point (head.x + size, head.y - size);
>+						break;
>+					case WEST:
>+						head = new Point (r.x, r.y + r.height / 2);
>+						p2   = new Point (head.x + size, head.y - size);
>+						p3   = new Point (head.x + size, head.y + size);
>+						break;
>+					default:
>+						head = new Point(r.x + size, r.y + r.height / 2);
>+						p2   = new Point(head.x - size, head.y - size);
>+						p3   = new Point(head.x - size, head.y + size);
>+		
>+				}
>+				arrow.removeAllPoints();
>+				arrow.addPoint(p2);
>+				arrow.addPoint(head);
>+				arrow.addPoint(p3);
>+			} else {
>+				// Recalculating with every paint unless explicitly told not too
>+				recalculate = true;
>+			}
>+			if (highlighted) {
>+				g.setForegroundColor(fillDarkGrey);
>+			} else if (pressed) {
>+				g.setAlpha(255);
>+				g.setForegroundColor(ColorConstants.white);
>+			} else {
>+				g.setForegroundColor(arrowFill);
>+			}
>+			g.setLineWidth(mm_2);
>+			g.drawPolyline(arrow);			
>+		}
> 
>-		private final Image up, upPressed, upGrayed,
>-						   down, downPressed, downGrayed,
>-						   left, leftPressed, leftGrayed,
>-						   right, rightPressed, rightGrayed;
> 		/**
>-		 * 
>+		 * @param value
>+		 *            one of PositionConstants: EAST, WEST, NORTH, SOUTH that
>+		 *            determine the arrow direction
> 		 */
>-		public ImageConstants() {
>-			RGB[] palette2 = new RGB[] { FigureUtilities.integerToColor(new Integer(SWT.COLOR_LIST_BACKGROUND)).getRGB(), new RGB(0, 0, 0), new RGB(0, 0, 0), new RGB(0, 0, 0) };
>-			RGB[] palette1 = new RGB[] { FigureUtilities.integerToColor(new Integer(SWT.COLOR_LIST_FOREGROUND)).getRGB(), new RGB(0, 0, 0)};
>-
>-			ImageData image;
>-
>-			// normal images
>-			image = 
>-				Draw2dUIPluginImages.DESC_DOWN_ARROW.getImageData();
>-			down = convert(image, palette2);
>-
>-			image = 
>-				Draw2dUIPluginImages.DESC_UP_ARROW.getImageData();
>-			up = convert(image, palette2);
>-
>-			image = 
>-				Draw2dUIPluginImages.DESC_LEFT_ARROW.getImageData();
>-			left = convert(image, palette2);
>-
>-			image = 
>-				Draw2dUIPluginImages.DESC_RIGHT_ARROW.getImageData();
>-			right = convert(image, palette2);
>-
>-			// pressed images
>-			upPressed = Draw2dUIPluginImages
>-				.get(Draw2dUIPluginImages.IMG_UP_PRESSED_ARROW);
>-
>-			downPressed = Draw2dUIPluginImages
>-				.get(Draw2dUIPluginImages.IMG_DOWN_PRESSED_ARROW);
>-
>-			leftPressed = Draw2dUIPluginImages
>-				.get(Draw2dUIPluginImages.IMG_LEFT_PRESSED_ARROW);
>-
>-			rightPressed = Draw2dUIPluginImages
>-				.get(Draw2dUIPluginImages.IMG_RIGHT_PRESSED_ARROW);
>+		public void setDirection(int value) {
>+			direction = value;
>+		}
> 
>-			// grayed images
>-			image = 
>-				Draw2dUIPluginImages.DESC_UP_GRAY_ARROW.getImageData();
>-			upGrayed = convert(image, palette1);
>+		/**
>+		 * @param value
>+		 *            false if arrow points do no have to be recalculated (e.g.
>+		 *            when just changing color)
>+		 */
>+		public void setRecalculate(boolean value) {
>+			recalculate = value;
>+		}
>+		
>+		/**
>+		 * @param value true if highlighted, false if not
>+		 */
>+		public void setHighlighted(boolean value) {
>+			highlighted = value;
>+		}
>+		
>+		/**
>+		 * @return true if highlighted, false if not
>+		 */
>+		public boolean isHighlighted() {
>+			return highlighted;
>+		}		
>+		
>+		/**
>+		 * @param value true if pressed, false if not
>+		 */
>+		public void setPressed(boolean value) {
>+			pressed = value;
>+		}
> 
>-			image = 
>-				Draw2dUIPluginImages.DESC_DOWN_GRAY_ARROW.getImageData();
>-			downGrayed = convert(image, palette1);
>+		/**
>+		 * @return true if pressed
>+		 */
>+		public boolean isPressed() {
>+			return pressed;
>+		}	
>+	}
>+	
>+	/**
>+	 * Figure that defines scroll bar thumb.
>+	 * 
>+	 * @author lgrahek
>+	 * 
>+	 * @since 1.2
>+	 *
>+	 */
>+	protected class ThumbFigure extends Panel {		
>+		boolean highlighted;
>+		boolean pressed;
>+
>+		@Override
>+		protected void paintFigure(Graphics g) {
>+			g.setAlpha(130);
>+			
>+			Rectangle r = getBounds().getCopy();
>+			// Fill with white, so later there will be 1px of
>+			// white left around outline.
>+			g.setBackgroundColor(ColorConstants.white);
>+			g.fillRectangle(getBounds());
>+			// Draw the outline (none when button is pressed)
>+			g.setLineWidth(mm_1);
>+			if (highlighted || pressed) {
>+				g.setForegroundColor(outlineDarkGrey);
>+			} else {
>+				g.setForegroundColor(outlineLightGrey);
>+			}
>+			g.drawRectangle(r);
>+									
>+			// Fill the interior, while leaving 1px white between outline and filled area.
>+			r = r.getCopy().shrink(mm_2, mm_2);
>+			if (pressed) {
>+				g.setBackgroundColor(fillDarkGrey);
>+			} else {
>+				g.setBackgroundColor(fillLightGrey);				
>+			}
>+			g.fillRectangle(r);		
>+		}	
> 
>-			image = 
>-				Draw2dUIPluginImages.DESC_LEFT_GRAY_ARROW.getImageData();
>-			leftGrayed = convert(image, palette1);
>+		/**
>+		 * @param value true if highlighted, false if not
>+		 */
>+		public void setHighlighted(boolean value) {
>+			highlighted = value;
>+		}
>+		
>+		/**
>+		 * @return true if highlighted, false if not
>+		 */		
>+		public boolean isHighlighted() {
>+			return highlighted;
>+		}		
>+		
>+		/**
>+		 * @param value true if pressed, false if not
>+		 */		
>+		public void setPressed(boolean value) {
>+			pressed = value;
>+		}
> 
>-			image = 
>-				Draw2dUIPluginImages.DESC_RIGHT_GRAY_ARROW.getImageData();
>-			rightGrayed = convert(image, palette1);
>-			
>-			palette1 = null;
>-			palette2 = null;
>+		/**
>+		 * @return true if pressed
>+		 */		
>+		public boolean isPressed() {
>+			return pressed;
>+		}			
>+	}
>+	
>+	/**
>+	 * Customizes ThumbDragger to set different colors to thumb depending on its
>+	 * state.
>+	 * 
>+	 * @author lgrahek
>+	 * 
>+	 * @since 1.2
>+	 * 
>+	 */
>+	protected class ThumbDraggerColors extends ThumbDragger {
>+		
>+		/* (non-Javadoc)
>+		 * @see org.eclipse.draw2d.MouseMotionListener.Stub#mouseEntered(org.eclipse.draw2d.MouseEvent)
>+		 */
>+		@Override
>+		public void mouseEntered(MouseEvent me) {
>+			// Set up highlight colors
>+			thumb.setHighlighted(true);
>+			thumb.setPressed(false);
>+			thumb.repaint();
>+			super.mouseEntered(me);
>+		}
>+		
>+		/* (non-Javadoc)
>+		 * @see org.eclipse.draw2d.MouseMotionListener.Stub#mouseExited(org.eclipse.draw2d.MouseEvent)
>+		 */
>+		@Override
>+		public void mouseExited(MouseEvent me) {
>+			// Set up colors: back to no-hover, no-drag colors
>+			thumb.setHighlighted(false);
>+			thumb.setPressed(false);
>+			thumb.repaint();
>+			super.mouseExited(me);
> 		}
> 
>-		private Image convert(ImageData theData, RGB[] colors) {
>-			//theData.palette = new PaletteData(colors);
>-			return new Image(Display.getCurrent(), theData);
>+		/* (non-Javadoc)
>+		 * @see org.eclipse.draw2d.ScrollBar.ThumbDragger#mousePressed(org.eclipse.draw2d.MouseEvent)
>+		 */
>+		@Override
>+		public void mousePressed(MouseEvent me) {
>+			// Set up pressed colors
>+			thumb.setHighlighted(false);
>+			thumb.setPressed(true);
>+			thumb.repaint();
>+			super.mousePressed(me);
> 		}
>-	}
>+	
>+		/* (non-Javadoc)
>+		 * @see org.eclipse.draw2d.ScrollBar.ThumbDragger#mouseReleased(org.eclipse.draw2d.MouseEvent)
>+		 */
>+		@Override
>+		public void mouseReleased(MouseEvent me) {
>+			// Set up colors: back to hover
>+			thumb.setHighlighted(true);
>+			thumb.setPressed(false);
>+			thumb.repaint();
>+			super.mouseReleased(me);
>+		}		
>+	}	
> }
>Index: src/org/eclipse/gmf/runtime/draw2d/ui/internal/figures/AnimatableScrollPane.java
>===================================================================
>RCS file: /cvsroot/modeling/org.eclipse.gmf/plugins/org.eclipse.gmf.runtime.draw2d.ui/src/org/eclipse/gmf/runtime/draw2d/ui/internal/figures/AnimatableScrollPane.java,v
>retrieving revision 1.4
>diff -u -r1.4 AnimatableScrollPane.java
>--- src/org/eclipse/gmf/runtime/draw2d/ui/internal/figures/AnimatableScrollPane.java	3 Oct 2006 15:04:52 -0000	1.4
>+++ src/org/eclipse/gmf/runtime/draw2d/ui/internal/figures/AnimatableScrollPane.java	18 Dec 2009 17:33:33 -0000
>@@ -1,5 +1,5 @@
> /******************************************************************************
>- * Copyright (c) 2000, 2003  IBM Corporation and others.
>+ * Copyright (c) 2000, 2009  IBM Corporation 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
>@@ -134,11 +134,11 @@
>     
>     protected void createVerticalScrollBar() {
>         IMapMode mm= MapModeUtil.getMapMode(this);
>-        int mm_1 = mm.DPtoLP(1);
>-        Insets insets = new Insets(mm_1, mm.DPtoLP(2),
>-            mm_1, mm.DPtoLP(0));
>-        int mm_15 = mm.DPtoLP(15);
>-        Dimension size = new Dimension(mm_15, mm_15);
>+        int mm_0 = mm.DPtoLP(0);
>+        Insets insets = new Insets(mm_0, mm.DPtoLP(2),
>+        		mm_0, mm_0);
>+        int mm_14 = mm.DPtoLP(14);
>+        Dimension size = new Dimension(mm_14, mm_14);
>         setVerticalScrollBar( new ListScrollBar(Orientable.VERTICAL, insets, size, 
>             mm.DPtoLP(10), mm.DPtoLP(50)));
>     }
>@@ -146,11 +146,12 @@
>     
>     protected void createHorizontalScrollBar() {
>         IMapMode mm= MapModeUtil.getMapMode(this);
>+        int mm_0 = mm.DPtoLP(0);
>         int mm_1 = mm.DPtoLP(1);
>-        Insets insets = new Insets(mm_1, mm.DPtoLP(2),
>-            mm_1, mm.DPtoLP(0));
>-        int mm_15 = mm.DPtoLP(15);
>-        Dimension size = new Dimension(mm_15, mm_15);
>+        Insets insets = new Insets(mm_0, mm_0,
>+        		mm_1, mm_1);
>+        int mm_13 = mm.DPtoLP(13);
>+        Dimension size = new Dimension(mm_13, mm_13);
>         setHorizontalScrollBar( new ListScrollBar(Orientable.HORIZONTAL, insets, size, 
>             mm.DPtoLP(10), mm.DPtoLP(50)));
>     }
>@@ -163,7 +164,4 @@
>     public ScrollBar basicGetHorizontalScrollBar() {        
>         return hBar;
>     }
>-
>-
>-
> }
>#P org.eclipse.gmf.runtime.diagram.ui
>Index: src/org/eclipse/gmf/runtime/diagram/ui/editparts/ShapeNodeEditPart.java
>===================================================================
>RCS file: /cvsroot/modeling/org.eclipse.gmf/plugins/org.eclipse.gmf.runtime.diagram.ui/src/org/eclipse/gmf/runtime/diagram/ui/editparts/ShapeNodeEditPart.java,v
>retrieving revision 1.12
>diff -u -r1.12 ShapeNodeEditPart.java
>--- src/org/eclipse/gmf/runtime/diagram/ui/editparts/ShapeNodeEditPart.java	30 Jan 2009 19:37:11 -0000	1.12
>+++ src/org/eclipse/gmf/runtime/diagram/ui/editparts/ShapeNodeEditPart.java	18 Dec 2009 17:33:33 -0000
>@@ -17,7 +17,6 @@
> import org.eclipse.draw2d.IFigure;
> import org.eclipse.draw2d.geometry.Point;
> import org.eclipse.emf.common.notify.Notification;
>-import org.eclipse.emf.ecore.EStructuralFeature;
> import org.eclipse.emf.transaction.RunnableWithResult;
> import org.eclipse.gef.ConnectionEditPart;
> import org.eclipse.gef.EditPolicy;
>@@ -35,9 +34,7 @@
> import org.eclipse.gmf.runtime.diagram.ui.internal.DiagramUIPlugin;
> import org.eclipse.gmf.runtime.diagram.ui.internal.DiagramUIStatusCodes;
> import org.eclipse.gmf.runtime.diagram.ui.internal.editpolicies.NoteAttachmentReorientEditPolicy;
>-import org.eclipse.gmf.runtime.diagram.ui.internal.properties.Properties;
> import org.eclipse.gmf.runtime.diagram.ui.l10n.DiagramColorRegistry;
>-import org.eclipse.gmf.runtime.emf.core.util.PackageUtil;
> import org.eclipse.gmf.runtime.gef.ui.figures.NodeFigure;
> import org.eclipse.gmf.runtime.notation.Anchor;
> import org.eclipse.gmf.runtime.notation.FillStyle;
>Index: src/org/eclipse/gmf/runtime/diagram/ui/editparts/ResizableCompartmentEditPart.java
>===================================================================
>RCS file: /cvsroot/modeling/org.eclipse.gmf/plugins/org.eclipse.gmf.runtime.diagram.ui/src/org/eclipse/gmf/runtime/diagram/ui/editparts/ResizableCompartmentEditPart.java,v
>retrieving revision 1.17
>diff -u -r1.17 ResizableCompartmentEditPart.java
>--- src/org/eclipse/gmf/runtime/diagram/ui/editparts/ResizableCompartmentEditPart.java	5 Mar 2009 01:30:17 -0000	1.17
>+++ src/org/eclipse/gmf/runtime/diagram/ui/editparts/ResizableCompartmentEditPart.java	18 Dec 2009 17:33:33 -0000
>@@ -14,6 +14,7 @@
> import org.eclipse.draw2d.Border;
> import org.eclipse.draw2d.IFigure;
> import org.eclipse.draw2d.LineBorder;
>+import org.eclipse.draw2d.ScrollPane;
> import org.eclipse.emf.common.notify.Notification;
> import org.eclipse.emf.ecore.EObject;
> import org.eclipse.gef.ExposeHelper;
>@@ -22,7 +23,9 @@
> import org.eclipse.gmf.runtime.diagram.ui.figures.ResizableCompartmentFigure;
> import org.eclipse.gmf.runtime.diagram.ui.internal.properties.Properties;
> import org.eclipse.gmf.runtime.diagram.ui.l10n.DiagramColorRegistry;
>+import org.eclipse.gmf.runtime.draw2d.ui.internal.figures.AnimatableScrollPane;
> import org.eclipse.gmf.runtime.notation.DrawerStyle;
>+import org.eclipse.gmf.runtime.notation.FillStyle;
> import org.eclipse.gmf.runtime.notation.NotationPackage;
> import org.eclipse.gmf.runtime.notation.Ratio;
> import org.eclipse.gmf.runtime.notation.TitleStyle;
>@@ -73,7 +76,8 @@
> 		refreshCollapsed();
> 		refreshRatio();
> 		refreshLineWidth();
>-		refreshLineType();		
>+		refreshLineType();	
>+		refreshBackgroundColor();
> 	}
> 
> 	/**
>@@ -146,6 +150,9 @@
> 			refreshLineWidth();
> 		} else if (NotationPackage.eINSTANCE.getLineTypeStyle_LineType().equals(feature)) {
> 			refreshLineType();
>+		} else if (NotationPackage.eINSTANCE.getFillStyle_Gradient().equals(feature) ||
>+				NotationPackage.eINSTANCE.getFillStyle_FillColor().equals(feature)) {				
>+			refreshBackgroundColor();			
> 		} else 
> 			super.handleNotificationEvent(event);
> 	}
>@@ -291,4 +298,36 @@
> 		}
> 		return false;
> 	}
>+	
>+    /**
>+	 * This method refreshes background color of scroll bars (when they are
>+	 * present). Actually, scroll bars inherit background color from their parent shape,
>+	 * but in case of gradient we want to set the background to the second color
>+	 * of gradient.
>+	 * 
>+	 * @see org.eclipse.gmf.runtime.diagram.ui.editparts.GraphicalEditPart#refreshBackgroundColor()
>+	 */
>+    protected void refreshBackgroundColor() {
>+        FillStyle style = (FillStyle)getPrimaryView().getStyle(NotationPackage.Literals.FILL_STYLE);
>+        ScrollPane scrollPane = getCompartmentFigure().getScrollPane();
>+        if (style != null &&   	
>+        		scrollPane instanceof AnimatableScrollPane) {
>+    		IFigure vBar = ((AnimatableScrollPane)scrollPane).basicGetVerticalScrollBar();
>+    		IFigure hBar = ((AnimatableScrollPane)scrollPane).basicGetHorizontalScrollBar();
>+    		Color color = null;
>+    		if (style.getGradient() == null) {
>+    			color = DiagramColorRegistry.getInstance().getColor(new Integer(style.getFillColor()));
>+    		} else {
>+    			color = DiagramColorRegistry.getInstance().getColor(new Integer(style.getGradient().getGradientColor2()));
>+    		}
>+    		if (color != null) {
>+    			if (vBar != null) {
>+    				vBar.setBackgroundColor(color);
>+    			}
>+    			if (hBar != null) {
>+    				hBar.setBackgroundColor(color);
>+    			}
>+    		}	
>+    	}
>+    }		
> }

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Attachments on bug 297901: 154526 | 154531 | 154797 | 154827