Attachment 216618 Details for Bug 344024 – first attempt at showing native tooltip

[patch] first attempt at showing native tooltip

Bug344024-patch.txt (text/plain), 10.48 KB, created by Ling Hao

on 2012-05-31 20:17:19 EDT

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Creator: Ling Hao

Created: 2012-05-31 20:17:19 EDT

Size: 10.48 KB

patch

obsolete

>### Eclipse Workspace Patch 1.0
>#P org.eclipse.sapphire.ui.swt.gef
>Index: src/org/eclipse/sapphire/ui/swt/gef/SapphireDiagramEditor.java
>===================================================================
>RCS file: /cvsroot/technology/org.eclipse.sapphire/plugins/org.eclipse.sapphire.ui.swt.gef/src/org/eclipse/sapphire/ui/swt/gef/SapphireDiagramEditor.java,v
>retrieving revision 1.29
>diff -u -r1.29 SapphireDiagramEditor.java
>--- src/org/eclipse/sapphire/ui/swt/gef/SapphireDiagramEditor.java	31 May 2012 19:44:42 -0000	1.29
>+++ src/org/eclipse/sapphire/ui/swt/gef/SapphireDiagramEditor.java	1 Jun 2012 00:15:30 -0000
>@@ -152,6 +152,7 @@
> 	private GraphicalViewerKeyHandler graphicalViewerKeyHandler;
> 	private SapphireDiagramKeyHandler diagramKeyHandler;
> 	private ContextButtonManager contextButtonManager = null;
>+	private SapphireToolTipHelper toolTipHelper = null;
> 	
> 	// Diagram header, borrowed from org.eclipse.ui.forms.widgets.Form class
> 	private FormHeading header;
>@@ -771,6 +772,14 @@
> 		return contextButtonManager;
> 	}
> 	
>+	public SapphireToolTipHelper getToolTipHelper() 
>+	{
>+		if (toolTipHelper == null) {
>+			toolTipHelper = new SapphireToolTipHelper(this.getGraphicalViewer().getControl());
>+		}
>+		return toolTipHelper;
>+	}
>+	
> 	@Override
> 	public void createPartControl(Composite parent) 
> 	{
>Index: src/org/eclipse/sapphire/ui/swt/gef/SapphireToolTipHelper.java
>===================================================================
>RCS file: src/org/eclipse/sapphire/ui/swt/gef/SapphireToolTipHelper.java
>diff -N src/org/eclipse/sapphire/ui/swt/gef/SapphireToolTipHelper.java
>--- /dev/null	1 Jan 1970 00:00:00 -0000
>+++ src/org/eclipse/sapphire/ui/swt/gef/SapphireToolTipHelper.java	1 Jan 1970 00:00:00 -0000
>@@ -0,0 +1,171 @@
>+package org.eclipse.sapphire.ui.swt.gef;
>+
>+import java.util.Timer;
>+import java.util.TimerTask;
>+
>+import org.eclipse.draw2d.IFigure;
>+import org.eclipse.draw2d.geometry.Dimension;
>+import org.eclipse.swt.SWT;
>+import org.eclipse.swt.graphics.Point;
>+import org.eclipse.swt.widgets.Control;
>+import org.eclipse.swt.widgets.Display;
>+import org.eclipse.swt.widgets.Shell;
>+import org.eclipse.swt.widgets.ToolTip;
>+
>+public class SapphireToolTipHelper {
>+
>+	private Control control;
>+	private Shell shell;
>+	private Display display;
>+	
>+	private Timer timer;
>+	private IFigure currentTipSource;
>+	private ToolTip tooltip;
>+	private boolean tipShowing;
>+
>+	public SapphireToolTipHelper(Control c) {
>+		this.control = c;
>+	}
>+	
>+	public void dispose() {
>+		if (isShowing())
>+			hide();
>+	}
>+
>+	public boolean isShowing() {
>+		return tipShowing;
>+	}
>+	
>+	protected ToolTip getToolTip() {
>+		if (tooltip == null) {
>+			display = control.getDisplay();
>+			shell = new Shell(display, SWT.None);
>+			tooltip = new ToolTip(shell, SWT.None);
>+		}
>+		return tooltip;
>+	}
>+
>+	protected void hide() {
>+		if (!tooltip.isDisposed()) {
>+			tooltip.setVisible(false);
>+		}
>+		tipShowing = false;
>+	}
>+
>+	protected void show() {
>+		getToolTip().setVisible(true);
>+		tipShowing = true;
>+	}
>+
>+	private Point computeWindowLocation(int eventX, int eventY) {
>+		//org.eclipse.swt.graphics.Rectangle clientArea = control.getDisplay().getClientArea();
>+		org.eclipse.swt.graphics.Rectangle clientArea = display.getClientArea();
>+		Point preferredLocation = new Point(eventX, eventY + 26);
>+		
>+//		System.out.println("clientArea: " + clientArea);
>+//		System.out.println("    " + eventX + ", "  +  (eventY + 26));
>+
>+		// TODO find the tooltip size
>+		Dimension tipSize = new Dimension(10, 10);
>+
>+		// Adjust location if tip is going to fall outside display
>+		if (preferredLocation.y + tipSize.height > clientArea.height)
>+			preferredLocation.y = eventY - tipSize.height;
>+
>+		if (preferredLocation.x + tipSize.width > clientArea.width)
>+			preferredLocation.x -= (preferredLocation.x + tipSize.width)
>+					- clientArea.width;
>+
>+		return preferredLocation;
>+	}
>+
>+	public void displayToolTipNear(IFigure hoverSource, String text, int eventX, int eventY) {
>+		displayToolTipNear(hoverSource, new ToolTipInfo(text), eventX, eventY);
>+	}
>+	
>+	public void displayToolTipNear(IFigure hoverSource, ToolTipInfo info, int eventX, int eventY) {
>+		if (hoverSource != currentTipSource) {
>+			System.out.println("displayToolTipNear");
>+			if (info.getMessage() != null) {
>+				getToolTip().setMessage(info.getMessage());
>+			} else {
>+				getToolTip().setMessage("");
>+			}
>+			if (info.getHeader() != null) {
>+				getToolTip().setText(info.getHeader());
>+			} else {
>+				getToolTip().setText("");
>+			}
>+
>+			Point displayPoint = computeWindowLocation(eventX, eventY);
>+//			Point zero = control.toDisplay(new Point(0,0));
>+//			System.out.println(zero);
>+//			Point anotherOne = control.toControl(displayPoint.x, displayPoint.y);
>+//			System.out.println(anotherOne);
>+//			Point shellOne = control.getShell().toControl(displayPoint.x, displayPoint.y);
>+//			System.out.println(shellOne);
>+//			Point mapOne = control.getDisplay().map(control, null, displayPoint);
>+//			System.out.println(mapOne);
>+//			displayPoint = control.toDisplay(displayPoint);
>+//			System.out.println(displayPoint);
>+			displayPoint = control.toDisplay(displayPoint);
>+			getToolTip().setLocation(displayPoint);
>+			show();
>+			
>+			currentTipSource = hoverSource;
>+			timer = new Timer(true);
>+			timer.schedule(new TimerTask() {
>+				public void run() {
>+					Display.getDefault().asyncExec(new Runnable() {
>+						public void run() {
>+							hide();
>+							timer.cancel();
>+						}
>+					});
>+				}
>+			}, 5000);
>+		}
>+	}
>+	
>+	public void hideToolTip() {
>+		if (isShowing()) {
>+			System.out.println("hideToolTip");
>+			hide();
>+			timer.cancel();
>+		}
>+		currentTipSource = null;
>+	}
>+
>+	public static class ToolTipInfo {
>+		private String header;
>+		private String message;
>+		
>+		public ToolTipInfo() {
>+		}
>+		
>+		public ToolTipInfo(final String message) {
>+			this.message = message;
>+		}
>+
>+		public ToolTipInfo(final String header, final String message) {
>+			this.header = header;
>+			this.message = message;
>+		}
>+
>+		public String getHeader() {
>+			return header;
>+		}
>+
>+		public void setHeader(String header) {
>+			this.header = header;
>+		}
>+
>+		public String getMessage() {
>+			return message;
>+		}
>+
>+		public void setMessage(String message) {
>+			this.message = message;
>+		}
>+	}
>+}
>Index: src/org/eclipse/sapphire/ui/swt/gef/figures/NodeFigure.java
>===================================================================
>RCS file: /cvsroot/technology/org.eclipse.sapphire/plugins/org.eclipse.sapphire.ui.swt.gef/src/org/eclipse/sapphire/ui/swt/gef/figures/NodeFigure.java,v
>retrieving revision 1.2
>diff -u -r1.2 NodeFigure.java
>--- src/org/eclipse/sapphire/ui/swt/gef/figures/NodeFigure.java	23 May 2012 18:05:49 -0000	1.2
>+++ src/org/eclipse/sapphire/ui/swt/gef/figures/NodeFigure.java	1 Jun 2012 00:15:32 -0000
>@@ -15,13 +15,18 @@
> import org.eclipse.draw2d.IFigure;
> import org.eclipse.draw2d.Label;
> import org.eclipse.draw2d.LayoutListener;
>+import org.eclipse.draw2d.MouseEvent;
>+import org.eclipse.draw2d.MouseMotionListener;
> import org.eclipse.draw2d.PositionConstants;
> import org.eclipse.draw2d.RoundedRectangle;
> import org.eclipse.draw2d.TextUtilities;
> import org.eclipse.draw2d.XYLayout;
> import org.eclipse.draw2d.geometry.Dimension;
>+import org.eclipse.draw2d.geometry.Point;
> import org.eclipse.draw2d.geometry.Rectangle;
> import org.eclipse.sapphire.ui.Bounds;
>+import org.eclipse.sapphire.ui.swt.gef.SapphireToolTipHelper;
>+import org.eclipse.sapphire.ui.swt.gef.model.DiagramModel;
> import org.eclipse.sapphire.ui.swt.gef.model.DiagramResourceCache;
> import org.eclipse.swt.SWT;
> import org.eclipse.swt.graphics.Color;
>@@ -55,7 +60,16 @@
> 
>     private boolean selected;
> 	private boolean hasFocus;
>+	
>+	private DiagramModel model;
>+	
>+	private String toolTipText;
> 
>+	public NodeFigure(boolean hasImage, DiagramResourceCache resourceCache, DiagramModel model) {
>+		this(hasImage,  resourceCache);
>+		this.model = model;
>+	}
>+	
> 	public NodeFigure(boolean hasImage, DiagramResourceCache resourceCache) {
> 		this.hasImage = hasImage;
> 		this.resourceCache = resourceCache;
>@@ -80,6 +94,34 @@
> 			}
> 		});
> 		
>+		this.addMouseMotionListener(new MouseMotionListener.Stub() {
>+			@Override
>+			public void mouseHover(MouseEvent me) {
>+				showToolTip(me);
>+			}
>+
>+			@Override
>+			public void mouseExited(MouseEvent me) {
>+				hideToolTip(me);
>+			}
>+		});
>+		
>+	}
>+	
>+	private void showToolTip(MouseEvent me) {
>+		if (toolTipText != null) {
>+			Point point = new Point(me.x, me.y);
>+			translateToAbsolute(point);
>+			SapphireToolTipHelper helper = model.getSapphireDiagramEditor().getToolTipHelper();
>+			helper.displayToolTipNear(this, toolTipText, point.x, point.y);
>+		}
>+	}
>+	
>+	private void hideToolTip(MouseEvent me) {
>+		if (toolTipText != null) {
>+			SapphireToolTipHelper helper = model.getSapphireDiagramEditor().getToolTipHelper();
>+			helper.hideToolTip();
>+		}
> 	}
> 	
> 	public void refreshConstraints(Bounds labelBounds, Bounds iconBounds) {
>@@ -111,9 +153,13 @@
> 	private void setTooltipText(String text) {
> 		Dimension d = TextUtilities.INSTANCE.getStringExtents(text, labelFigure.getFont());
> 		if (d.width + 5 >= getBounds().width) {
>-			this.setToolTip(new Label(text));
>-		} else {
>+			toolTipText = text;
> 			this.setToolTip(null);
>+			//this.setToolTip(new Label(text));
>+		} else {
>+			//this.setToolTip(new Label(text));
>+			toolTipText = null;
>+			//this.setToolTip(null);
> 		}
> 	}
> 	
>Index: src/org/eclipse/sapphire/ui/swt/gef/parts/DiagramNodeEditPart.java
>===================================================================
>RCS file: /cvsroot/technology/org.eclipse.sapphire/plugins/org.eclipse.sapphire.ui.swt.gef/src/org/eclipse/sapphire/ui/swt/gef/parts/DiagramNodeEditPart.java,v
>retrieving revision 1.4
>diff -u -r1.4 DiagramNodeEditPart.java
>--- src/org/eclipse/sapphire/ui/swt/gef/parts/DiagramNodeEditPart.java	21 May 2012 20:05:51 -0000	1.4
>+++ src/org/eclipse/sapphire/ui/swt/gef/parts/DiagramNodeEditPart.java	1 Jun 2012 00:15:32 -0000
>@@ -74,7 +74,7 @@
>     @Override
> 	protected IFigure createFigure() {
>     	ImageData imageData = getCastedModel().getModelPart().getImage();
>-		return new NodeFigure(imageData != null, getCastedModel().getDiagramModel().getResourceCache());
>+		return new NodeFigure(imageData != null, getCastedModel().getDiagramModel().getResourceCache(), getCastedModel().getDiagramModel());
> 	}
> 
> 	@Override

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Attachments on bug 344024: 216618