-/*******************************************************************************\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.diagram.ui;\r
-\r
-import java.awt.geom.Point2D;\r
-\r
-import org.eclipse.jface.action.GroupMarker;\r
-import org.eclipse.jface.action.IMenuListener2;\r
-import org.eclipse.jface.action.IMenuManager;\r
-import org.eclipse.jface.action.MenuManager;\r
-import org.eclipse.swt.SWT;\r
-import org.eclipse.swt.events.MenuAdapter;\r
-import org.eclipse.swt.events.MenuEvent;\r
-import org.eclipse.swt.events.MenuListener;\r
-import org.eclipse.swt.graphics.Point;\r
-import org.eclipse.swt.widgets.Control;\r
-import org.eclipse.swt.widgets.Display;\r
-import org.eclipse.swt.widgets.Event;\r
-import org.eclipse.swt.widgets.Listener;\r
-import org.eclipse.swt.widgets.Menu;\r
-import org.eclipse.swt.widgets.Widget;\r
-import org.eclipse.ui.IWorkbenchActionConstants;\r
-import org.eclipse.ui.IWorkbenchPartSite;\r
-import org.simantics.g2d.canvas.ICanvasContext;\r
-import org.simantics.g2d.canvas.impl.AbstractCanvasParticipant;\r
-import org.simantics.g2d.canvas.impl.DependencyReflection.Dependency;\r
-import org.simantics.g2d.diagram.DiagramHints;\r
-import org.simantics.g2d.participant.TransformUtil;\r
-import org.simantics.scenegraph.g2d.events.EventHandlerReflection.EventHandler;\r
-import org.simantics.scenegraph.g2d.events.command.CommandEvent;\r
-import org.simantics.scenegraph.g2d.events.command.ShowPopup;\r
-import org.simantics.utils.datastructures.hints.HintListenerAdapter;\r
-import org.simantics.utils.datastructures.hints.IHintContext.Key;\r
-import org.simantics.utils.datastructures.hints.IHintListener;\r
-import org.simantics.utils.datastructures.hints.IHintObservable;\r
-\r
-/**\r
- * A participant that initializes an SWT pop-up menu and registers it with the\r
- * Eclipse workbench if a workbench site is provided. The client can specify the\r
- * ID of the menu to create which allows the user to control contributions via\r
- * Eclipse's declarative command mechanisms.\r
- * \r
- * @author Tuukka Lehtonen\r
- */\r
-public class SWTPopupMenuParticipant extends AbstractCanvasParticipant {\r
-\r
- @Dependency\r
- WorkbenchSelectionProvider wbsp;\r
- @Dependency\r
- TransformUtil trUtil;\r
-\r
- IWorkbenchPartSite site;\r
- Control control;\r
- Display display;\r
- MenuManager menuManager;\r
- String menuId;\r
-\r
- IHintListener popupListener = new HintListenerAdapter() {\r
- @Override\r
- public void hintChanged(IHintObservable sender, Key key, Object oldValue, Object newValue) {\r
- if (key == DiagramHints.SHOW_POPUP_MENU) {\r
- if (newValue != null) {\r
- Control c = control;\r
- if (display.isDisposed() || c == null || c.isDisposed())\r
- return;\r
-\r
- showPopup((Point2D) newValue);\r
- }\r
- }\r
- }\r
- };\r
-\r
- IMenuListener2 menuManagerListener = new IMenuListener2() {\r
- @Override\r
- public void menuAboutToShow(IMenuManager manager) {\r
- manager.add(new GroupMarker(IWorkbenchActionConstants.WB_START));\r
-// manager.add(new GroupMarker(IWorkbenchActionConstants.NEW_EXT));\r
-// manager.add(new GroupMarker(IWorkbenchActionConstants.IMPORT_EXT));\r
-// manager.add(new Separator(IWorkbenchActionConstants.MB_ADDITIONS));\r
-// manager.add(new GroupMarker(IWorkbenchActionConstants.WB_END));\r
- }\r
- @Override\r
- public void menuAboutToHide(IMenuManager manager) {\r
- }\r
- };\r
-\r
- MenuListener menuListener = new MenuAdapter() {\r
- @Override\r
- public void menuShown(MenuEvent e) {\r
- SWTPopupMenuParticipant.this.menuShown(e);\r
- }\r
- @Override\r
- public void menuHidden(MenuEvent e) {\r
- SWTPopupMenuParticipant.this.menuHidden(e);\r
- }\r
- };\r
- \r
- protected void menuShown(MenuEvent e) {\r
- asyncExec(new Runnable() {\r
- @Override\r
- public void run() {\r
- final long time = System.currentTimeMillis();\r
- //System.out.println("popup shown: " + time);\r
- setHint(DiagramHints.POPUP_MENU_SHOWN, time);\r
- removeHint(DiagramHints.POPUP_MENU_HIDDEN);\r
- \r
- }\r
- });\r
- }\r
- \r
- protected void menuHidden(MenuEvent e) {\r
- asyncExec(new Runnable() {\r
- @Override\r
- public void run() {\r
- final long time = System.currentTimeMillis();\r
- //System.out.println("popup closed: " + time);\r
- removeHint(DiagramHints.POPUP_MENU_SHOWN);\r
- setHint(DiagramHints.POPUP_MENU_HIDDEN, time);\r
- }\r
- });\r
- }\r
-\r
- /**\r
- * NOTE: this constructor must currently be invoked from the SWT display\r
- * thread.\r
- * \r
- * @param site\r
- * @param control\r
- * @param menuId\r
- * @deprecated use {@link #SWTPopupMenuParticipant(IWorkbenchPartSite, Control, Display, String)} instead\r
- */\r
- public SWTPopupMenuParticipant(IWorkbenchPartSite site, Control control, String menuId) {\r
- this(site, control, control.getDisplay(), menuId);\r
- }\r
-\r
- public SWTPopupMenuParticipant(IWorkbenchPartSite site, Control control, Display display, String menuId) {\r
- super();\r
- this.site = site;\r
- this.control = control;\r
- this.display = display;\r
- this.menuId = menuId;\r
- control.addListener(SWT.Dispose, new Listener() {\r
-\r
- @Override\r
- public void handleEvent(Event event) {\r
- runDispose();\r
- }\r
- \r
- });\r
- }\r
-\r
- protected void runDispose() {\r
- SWTPopupMenuParticipant.this.control = null;\r
- if(menuManager != null) {\r
- menuManager.removeAll();\r
- menuManager.dispose();\r
- menuManager = null;\r
- }\r
- }\r
- \r
- @Override\r
- public void addedToContext(ICanvasContext ctx) {\r
- super.addedToContext(ctx);\r
-\r
- display.asyncExec(new Runnable() {\r
- @Override\r
- public void run() {\r
- createControl();\r
- }\r
- });\r
-\r
- getHintStack().addKeyHintListener(DiagramHints.SHOW_POPUP_MENU, popupListener);\r
- }\r
- \r
- protected void createControl() {\r
- if (control == null || control.isDisposed())\r
- return;\r
- menuManager = createPopupMenu();\r
- if (menuManager != null) {\r
- Menu menu = menuManager.createContextMenu(control);\r
- menu.addMenuListener(menuListener);\r
- control.setMenu(menu);\r
- if (site != null) {\r
- site.registerContextMenu(menuManager.getId(), menuManager, wbsp);\r
- }\r
- }\r
- }\r
-\r
- @Override\r
- public void removedFromContext(ICanvasContext ctx) {\r
- getHintStack().removeKeyHintListener(DiagramHints.SHOW_POPUP_MENU, popupListener);\r
- super.removedFromContext(ctx);\r
- }\r
-\r
- protected MenuManager createPopupMenu() {\r
- final MenuManager mm = new MenuManager("Canvas Popup", menuId);\r
- mm.setRemoveAllWhenShown(true);\r
- mm.addMenuListener(menuManagerListener);\r
- return mm;\r
- }\r
-\r
- @EventHandler(priority = 0)\r
- public boolean handleCommands(CommandEvent e) {\r
- if (e.command instanceof ShowPopup) {\r
- showPopup(((ShowPopup) e.command).getControlPosition());\r
- return true;\r
- }\r
- return false;\r
- }\r
-\r
- /**\r
- * @param newValue\r
- * @thread canvas-thread (AWT)\r
- */\r
- protected void showPopup(Point2D newValue) {\r
- final Point2D cp = (Point2D) newValue;\r
- setHint(DiagramHints.POPUP_MENU_CONTROL_POSITION, cp);\r
- setHint(DiagramHints.POPUP_MENU_CANVAS_POSITION, trUtil.controlToCanvas(cp, null));\r
- display.asyncExec(new Runnable() {\r
- @Override\r
- public void run() {\r
- if (control == null || control.isDisposed())\r
- return;\r
- \r
- Point p = control.toDisplay((int) cp.getX(), (int) cp.getY());\r
- menuManager.getMenu().setLocation(p);\r
- menuManager.getMenu().setVisible(true);\r
- }\r
- });\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.diagram.ui;
+
+import java.awt.geom.Point2D;
+
+import org.eclipse.jface.action.GroupMarker;
+import org.eclipse.jface.action.IMenuListener2;
+import org.eclipse.jface.action.IMenuManager;
+import org.eclipse.jface.action.MenuManager;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.events.MenuAdapter;
+import org.eclipse.swt.events.MenuEvent;
+import org.eclipse.swt.events.MenuListener;
+import org.eclipse.swt.graphics.Point;
+import org.eclipse.swt.widgets.Control;
+import org.eclipse.swt.widgets.Display;
+import org.eclipse.swt.widgets.Event;
+import org.eclipse.swt.widgets.Listener;
+import org.eclipse.swt.widgets.Menu;
+import org.eclipse.ui.IWorkbenchActionConstants;
+import org.eclipse.ui.IWorkbenchPartSite;
+import org.simantics.g2d.canvas.ICanvasContext;
+import org.simantics.g2d.canvas.impl.AbstractCanvasParticipant;
+import org.simantics.g2d.canvas.impl.DependencyReflection.Dependency;
+import org.simantics.g2d.diagram.DiagramHints;
+import org.simantics.g2d.participant.TransformUtil;
+import org.simantics.scenegraph.g2d.events.EventHandlerReflection.EventHandler;
+import org.simantics.scenegraph.g2d.events.command.CommandEvent;
+import org.simantics.scenegraph.g2d.events.command.ShowPopup;
+import org.simantics.utils.datastructures.hints.HintListenerAdapter;
+import org.simantics.utils.datastructures.hints.IHintContext.Key;
+import org.simantics.utils.datastructures.hints.IHintListener;
+import org.simantics.utils.datastructures.hints.IHintObservable;
+import org.simantics.utils.ui.SWTDPIUtil;
+
+/**
+ * A participant that initializes an SWT pop-up menu and registers it with the
+ * Eclipse workbench if a workbench site is provided. The client can specify the
+ * ID of the menu to create which allows the user to control contributions via
+ * Eclipse's declarative command mechanisms.
+ *
+ * @author Tuukka Lehtonen
+ */
+public class SWTPopupMenuParticipant extends AbstractCanvasParticipant {
+
+ @Dependency
+ WorkbenchSelectionProvider wbsp;
+ @Dependency
+ TransformUtil trUtil;
+
+ IWorkbenchPartSite site;
+ Control control;
+ Display display;
+ MenuManager menuManager;
+ String menuId;
+
+ IHintListener popupListener = new HintListenerAdapter() {
+ @Override
+ public void hintChanged(IHintObservable sender, Key key, Object oldValue, Object newValue) {
+ if (key == DiagramHints.SHOW_POPUP_MENU) {
+ if (newValue != null) {
+ Control c = control;
+ if (display.isDisposed() || c == null || c.isDisposed())
+ return;
+
+ showPopup((Point2D) newValue);
+ }
+ }
+ }
+ };
+
+ IMenuListener2 menuManagerListener = new IMenuListener2() {
+ @Override
+ public void menuAboutToShow(IMenuManager manager) {
+ manager.add(new GroupMarker(IWorkbenchActionConstants.WB_START));
+// manager.add(new GroupMarker(IWorkbenchActionConstants.NEW_EXT));
+// manager.add(new GroupMarker(IWorkbenchActionConstants.IMPORT_EXT));
+// manager.add(new Separator(IWorkbenchActionConstants.MB_ADDITIONS));
+// manager.add(new GroupMarker(IWorkbenchActionConstants.WB_END));
+ }
+ @Override
+ public void menuAboutToHide(IMenuManager manager) {
+ }
+ };
+
+ MenuListener menuListener = new MenuAdapter() {
+ @Override
+ public void menuShown(MenuEvent e) {
+ SWTPopupMenuParticipant.this.menuShown(e);
+ }
+ @Override
+ public void menuHidden(MenuEvent e) {
+ SWTPopupMenuParticipant.this.menuHidden(e);
+ }
+ };
+
+ protected void menuShown(MenuEvent e) {
+ asyncExec(new Runnable() {
+ @Override
+ public void run() {
+ final long time = System.currentTimeMillis();
+ //System.out.println("popup shown: " + time);
+ setHint(DiagramHints.POPUP_MENU_SHOWN, time);
+ removeHint(DiagramHints.POPUP_MENU_HIDDEN);
+
+ }
+ });
+ }
+
+ protected void menuHidden(MenuEvent e) {
+ asyncExec(new Runnable() {
+ @Override
+ public void run() {
+ final long time = System.currentTimeMillis();
+ //System.out.println("popup closed: " + time);
+ removeHint(DiagramHints.POPUP_MENU_SHOWN);
+ setHint(DiagramHints.POPUP_MENU_HIDDEN, time);
+ }
+ });
+ }
+
+ /**
+ * NOTE: this constructor must currently be invoked from the SWT display
+ * thread.
+ *
+ * @param site
+ * @param control
+ * @param menuId
+ * @deprecated use {@link #SWTPopupMenuParticipant(IWorkbenchPartSite, Control, Display, String)} instead
+ */
+ public SWTPopupMenuParticipant(IWorkbenchPartSite site, Control control, String menuId) {
+ this(site, control, control.getDisplay(), menuId);
+ }
+
+ public SWTPopupMenuParticipant(IWorkbenchPartSite site, Control control, Display display, String menuId) {
+ super();
+ this.site = site;
+ this.control = control;
+ this.display = display;
+ this.menuId = menuId;
+ control.addListener(SWT.Dispose, new Listener() {
+
+ @Override
+ public void handleEvent(Event event) {
+ runDispose();
+ }
+
+ });
+ }
+
+ protected void runDispose() {
+ SWTPopupMenuParticipant.this.control = null;
+ if(menuManager != null) {
+ menuManager.removeAll();
+ menuManager.dispose();
+ menuManager = null;
+ }
+ }
+
+ @Override
+ public void addedToContext(ICanvasContext ctx) {
+ super.addedToContext(ctx);
+
+ display.asyncExec(new Runnable() {
+ @Override
+ public void run() {
+ createControl();
+ }
+ });
+
+ getHintStack().addKeyHintListener(DiagramHints.SHOW_POPUP_MENU, popupListener);
+ }
+
+ protected void createControl() {
+ if (control == null || control.isDisposed())
+ return;
+ menuManager = createPopupMenu();
+ if (menuManager != null) {
+ Menu menu = menuManager.createContextMenu(control);
+ menu.addMenuListener(menuListener);
+ control.setMenu(menu);
+ if (site != null) {
+ site.registerContextMenu(menuManager.getId(), menuManager, wbsp);
+ }
+ }
+ }
+
+ @Override
+ public void removedFromContext(ICanvasContext ctx) {
+ getHintStack().removeKeyHintListener(DiagramHints.SHOW_POPUP_MENU, popupListener);
+ super.removedFromContext(ctx);
+ }
+
+ protected MenuManager createPopupMenu() {
+ final MenuManager mm = new MenuManager("Canvas Popup", menuId);
+ mm.setRemoveAllWhenShown(true);
+ mm.addMenuListener(menuManagerListener);
+ return mm;
+ }
+
+ @EventHandler(priority = 0)
+ public boolean handleCommands(CommandEvent e) {
+ if (e.command instanceof ShowPopup) {
+ showPopup(((ShowPopup) e.command).getControlPosition());
+ return true;
+ }
+ return false;
+ }
+
+ /**
+ * @param newValue
+ * @thread canvas-thread (AWT)
+ */
+ protected void showPopup(Point2D cp) {
+ setHint(DiagramHints.POPUP_MENU_CONTROL_POSITION, cp);
+ setHint(DiagramHints.POPUP_MENU_CANVAS_POSITION, trUtil.controlToCanvas(cp, null));
+ display.asyncExec(() -> {
+ if (control == null || control.isDisposed())
+ return;
+ Point p = control.toDisplay( SWTDPIUtil.downscaleSwtToInteger(cp) );
+ menuManager.getMenu().setLocation(p);
+ menuManager.getMenu().setVisible(true);
+ });
+ }
+
+}