-/*******************************************************************************\r
- * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
- * in Industry THTH ry.\r
- * All rights reserved. This program and the accompanying materials\r
- * are made available under the terms of the Eclipse Public License v1.0\r
- * which accompanies this distribution, and is available at\r
- * http://www.eclipse.org/legal/epl-v10.html\r
- *\r
- * Contributors:\r
- * VTT Technical Research Centre of Finland - initial API and implementation\r
- *******************************************************************************/\r
-package org.simantics.g2d.tooltip;\r
-\r
-import java.util.concurrent.Future;\r
-import java.util.concurrent.TimeUnit;\r
-\r
-import javax.swing.ToolTipManager;\r
-\r
-import org.simantics.g2d.diagram.participant.AbstractDiagramParticipant;\r
-import org.simantics.g2d.element.IElement;\r
-import org.simantics.scenegraph.g2d.events.MouseEvent;\r
-import org.simantics.scenegraph.g2d.events.EventHandlerReflection.EventHandler;\r
-import org.simantics.scenegraph.g2d.events.MouseEvent.MouseButtonPressedEvent;\r
-import org.simantics.scenegraph.g2d.events.command.CommandEvent;\r
-import org.simantics.scenegraph.g2d.events.command.Commands;\r
-import org.simantics.utils.datastructures.hints.IHintContext.Key;\r
-import org.simantics.utils.datastructures.hints.IHintContext.KeyOf;\r
-import org.simantics.utils.threads.ThreadUtils;\r
-\r
-public abstract class BaseTooltipParticipant extends AbstractDiagramParticipant implements ITooltipParticipant {\r
-\r
- // Element hint key for tooltips\r
- public static Key TOOLTIP_KEY = new KeyOf(TooltipProvider.class, "TOOLTIP");\r
-\r
- public int tooltipDelay = ToolTipManager.sharedInstance().getInitialDelay();\r
-\r
- private IElement tooltipElement;\r
- private TooltipProvider creator;\r
- private boolean tooltipShowing = false;\r
-\r
- private Future<?> delayRunnable = null;\r
-\r
- private int x = 0;\r
- private int y = 0;\r
-\r
- @EventHandler(priority = 0)\r
- public boolean handleKeyEvent(CommandEvent e) {\r
- if (e.command == Commands.FOCUS_TOOLTIP) {\r
- //System.out.println("Focus");\r
- if (tooltipShowing && creator instanceof FocusableTooltipProvider) {\r
- ((FocusableTooltipProvider)creator).focus();\r
- }\r
- }\r
- return false;\r
- }\r
-\r
- @EventHandler(priority = Integer.MAX_VALUE)\r
- public boolean handleMouseEvent(MouseEvent e) {\r
- if (e.screenPosition != null) {\r
- x = (int)e.screenPosition.getX();\r
- y = (int)e.screenPosition.getY();\r
- }\r
- if (tooltipShowing) {\r
-\r
- if (e instanceof MouseButtonPressedEvent) {\r
- // this hides focused tooltip if mouse is clicked somewhere else that on the tooltip\r
- hideTooltip();\r
- }\r
- }\r
- return false;\r
- }\r
-\r
- /**\r
- * Shows tooltip immediately\r
- */\r
- public synchronized void showTooltip() {\r
- if (tooltipElement == null)\r
- return;\r
- creator.showTooltip(tooltipElement,x,y);\r
- tooltipShowing = true;\r
- }\r
-\r
- private void launchThread() {\r
- if (delayRunnable != null) {\r
- delayRunnable.cancel(false);\r
- delayRunnable = null;\r
- }\r
- delayRunnable = ThreadUtils.getNonBlockingWorkExecutor().schedule(new Runnable() {\r
- @Override\r
- public void run() {\r
- showTooltip();\r
- }\r
- }, tooltipDelay, TimeUnit.MILLISECONDS);\r
- }\r
-\r
- /**\r
- * Tries to show tooltip for given element\r
- * Does not show tooltip instantly, but uses delay\r
- * @param element\r
- */\r
- public synchronized void showTooltipFor(IElement element) {\r
- //System.out.println("showTooltipFor " + element);\r
- if (tooltipShowing && (creator instanceof FocusableTooltipProvider) && ((FocusableTooltipProvider)creator).hasFocus())\r
- return;\r
- creator = element.getHint(TOOLTIP_KEY);\r
- if (creator != null) {\r
- tooltipElement = element;\r
- launchThread();\r
- } else {\r
- hideTooltip();\r
- }\r
- }\r
-\r
- /**\r
- * Hides tooltip, if one is showing\r
- */\r
- public synchronized void hideTooltip() {\r
- //System.out.println("hideTooltip");\r
- if (tooltipShowing && (creator instanceof FocusableTooltipProvider) && ((FocusableTooltipProvider)creator).hasFocus())\r
- return;\r
- if (creator != null && tooltipShowing)\r
- creator.hideTooltip(tooltipElement);\r
- creator = null;\r
- tooltipElement = null;\r
- tooltipShowing = false;\r
- }\r
-\r
-}\r
+/*******************************************************************************
+ * 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.util.concurrent.Future;
+import java.util.concurrent.TimeUnit;
+
+import javax.swing.ToolTipManager;
+
+import org.simantics.g2d.diagram.participant.AbstractDiagramParticipant;
+import org.simantics.g2d.element.IElement;
+import org.simantics.scenegraph.g2d.events.MouseEvent;
+import org.simantics.scenegraph.g2d.events.EventHandlerReflection.EventHandler;
+import org.simantics.scenegraph.g2d.events.MouseEvent.MouseButtonPressedEvent;
+import org.simantics.scenegraph.g2d.events.command.CommandEvent;
+import org.simantics.scenegraph.g2d.events.command.Commands;
+import org.simantics.utils.datastructures.hints.IHintContext.Key;
+import org.simantics.utils.datastructures.hints.IHintContext.KeyOf;
+import org.simantics.utils.threads.ThreadUtils;
+
+public abstract class BaseTooltipParticipant extends AbstractDiagramParticipant implements ITooltipParticipant {
+
+ // Element hint key for tooltips
+ public static Key TOOLTIP_KEY = new KeyOf(TooltipProvider.class, "TOOLTIP");
+
+ public int tooltipDelay = ToolTipManager.sharedInstance().getInitialDelay();
+
+ private IElement tooltipElement;
+ private TooltipProvider creator;
+ private boolean tooltipShowing = false;
+
+ private Future<?> delayRunnable = null;
+
+ private int x = 0;
+ private int y = 0;
+
+ @EventHandler(priority = 0)
+ public boolean handleKeyEvent(CommandEvent e) {
+ if (e.command == Commands.FOCUS_TOOLTIP) {
+ //System.out.println("Focus");
+ if (tooltipShowing && creator instanceof FocusableTooltipProvider) {
+ ((FocusableTooltipProvider)creator).focus();
+ }
+ }
+ return false;
+ }
+
+ @EventHandler(priority = Integer.MAX_VALUE)
+ public boolean handleMouseEvent(MouseEvent e) {
+ if (e.screenPosition != null) {
+ x = (int)e.screenPosition.getX();
+ y = (int)e.screenPosition.getY();
+ }
+ if (tooltipShowing) {
+
+ if (e instanceof MouseButtonPressedEvent) {
+ // this hides focused tooltip if mouse is clicked somewhere else that on the tooltip
+ hideTooltip();
+ }
+ }
+ return false;
+ }
+
+ /**
+ * Shows tooltip immediately
+ */
+ public synchronized void showTooltip() {
+ if (tooltipElement == null)
+ return;
+ creator.showTooltip(tooltipElement,x,y);
+ tooltipShowing = true;
+ }
+
+ private void launchThread() {
+ if (delayRunnable != null) {
+ delayRunnable.cancel(false);
+ delayRunnable = null;
+ }
+ delayRunnable = ThreadUtils.getNonBlockingWorkExecutor().schedule(new Runnable() {
+ @Override
+ public void run() {
+ showTooltip();
+ }
+ }, tooltipDelay, TimeUnit.MILLISECONDS);
+ }
+
+ /**
+ * Tries to show tooltip for given element
+ * Does not show tooltip instantly, but uses delay
+ * @param element
+ */
+ public synchronized void showTooltipFor(IElement element) {
+ //System.out.println("showTooltipFor " + element);
+ if (tooltipShowing && (creator instanceof FocusableTooltipProvider) && ((FocusableTooltipProvider)creator).hasFocus())
+ return;
+ creator = element.getHint(TOOLTIP_KEY);
+ if (creator != null) {
+ tooltipElement = element;
+ launchThread();
+ } else {
+ hideTooltip();
+ }
+ }
+
+ /**
+ * Hides tooltip, if one is showing
+ */
+ public synchronized void hideTooltip() {
+ //System.out.println("hideTooltip");
+ if (tooltipShowing && (creator instanceof FocusableTooltipProvider) && ((FocusableTooltipProvider)creator).hasFocus())
+ return;
+ if (creator != null && tooltipShowing)
+ creator.hideTooltip(tooltipElement);
+ creator = null;
+ tooltipElement = null;
+ tooltipShowing = false;
+ }
+
+}
Code Review / simantics / platform.git / blobdiff