X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.g2d%2Fsrc%2Forg%2Fsimantics%2Fg2d%2Ftooltip%2FAWTTooltipProvider.java;fp=bundles%2Forg.simantics.g2d%2Fsrc%2Forg%2Fsimantics%2Fg2d%2Ftooltip%2FAWTTooltipProvider.java;h=54825895c0167be9a4ac66e59d24059489e8ee02;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.g2d/src/org/simantics/g2d/tooltip/AWTTooltipProvider.java b/bundles/org.simantics.g2d/src/org/simantics/g2d/tooltip/AWTTooltipProvider.java
new file mode 100644
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+++ b/bundles/org.simantics.g2d/src/org/simantics/g2d/tooltip/AWTTooltipProvider.java
@@ -0,0 +1,105 @@
+/*******************************************************************************
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management
+ * in Industry THTH ry.
+ * 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:
+ *     VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+package org.simantics.g2d.tooltip;
+
+import java.awt.Frame;
+import java.awt.GraphicsDevice;
+import java.awt.GraphicsEnvironment;
+import java.awt.Rectangle;
+
+import javax.swing.SwingUtilities;
+
+import org.simantics.g2d.element.IElement;
+
+/**
+ * AWT based tooltip.
+ * 
+ * @author Marko Luukkainen <marko.luukkainen@vtt.fi>
+ *
+ */
+public abstract class AWTTooltipProvider implements TooltipProvider {
+
+	private Frame frame;
+	
+	/**
+	 * Construct popup UI.
+	 * @param frame
+	 * @param element
+	 */
+	public abstract void constructPopup(Frame frame,IElement element);
+	
+	@Override
+	public void showTooltip(final IElement element, final int x, final int y) {
+		SwingUtilities.invokeLater(new Runnable() {	
+			@Override
+			public void run() {
+				if (frame != null) {
+					frame.setVisible(false);
+					frame.dispose();
+					frame = null;
+				}
+				
+				frame = new Frame();
+				frame.setFocusableWindowState(false);
+				frame.setUndecorated(true);
+				
+				constructPopup(frame, element);
+				
+				frame.pack();
+				
+				setTooltipPosition(x,y);
+				
+				frame.setVisible(true);
+			}
+		});
+	}
+	
+	/**
+	 * 
+	 * @param x
+	 * @param y
+	 */
+	private void setTooltipPosition(int x, int y) {
+
+		GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
+		for (GraphicsDevice gd : ge.getScreenDevices()) {
+			Rectangle r = gd.getDefaultConfiguration().getBounds();
+			if (r.contains(x, y)) {
+				Rectangle ttr = new Rectangle(x, y, frame.getWidth(), frame.getHeight());
+				//ttr.y -= frame.getHeight();
+				ttr.y += 24;
+				if (!r.contains(ttr)) {
+					ttr.y = Math.max(r.y, ttr.y);
+					ttr.y = Math.min(r.y + r.height, ttr.y + ttr.height) - ttr.height;
+					ttr.x = Math.max(r.x, ttr.x);
+					ttr.x = Math.min(r.x + r.width, ttr.x + ttr.width) - ttr.width;
+				}
+				frame.setLocation(ttr.x,ttr.y);
+				return;
+			}
+		}
+	}
+	
+	
+	@Override
+	public void hideTooltip(IElement element) {
+		SwingUtilities.invokeLater(new Runnable() {	
+			@Override
+			public void run() {
+				frame.setVisible(false);
+				frame.dispose();
+				frame = null;
+				
+			}
+		});
+	}
+}