-/*******************************************************************************\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.contribution;\r
-\r
-import org.eclipse.core.runtime.Platform;\r
-import org.eclipse.jface.action.Action;\r
-import org.eclipse.jface.action.ActionContributionItem;\r
-import org.eclipse.jface.action.IContributionItem;\r
-import org.eclipse.jface.resource.ImageDescriptor;\r
-import org.eclipse.swt.widgets.Menu;\r
-import org.eclipse.ui.IWorkbenchPart;\r
-import org.simantics.db.ReadGraph;\r
-import org.simantics.db.Session;\r
-import org.simantics.db.exception.DatabaseException;\r
-import org.simantics.g2d.canvas.ICanvasContext;\r
-import org.simantics.g2d.diagram.participant.Selection;\r
-import org.simantics.ui.contribution.DynamicMenuContribution;\r
-import org.simantics.utils.threads.ThreadUtils;\r
-import org.simantics.utils.ui.BundleUtils;\r
-import org.simantics.utils.ui.workbench.WorkbenchUtils;\r
-\r
-\r
-/**\r
- * @author Antti Villberg\r
- */\r
-abstract public class DiagramDynamicMenuContribution<T> extends DynamicMenuContribution {\r
-\r
- private static final IContributionItem[] NONE = {};\r
-\r
- private ICanvasContext canvas;\r
-\r
- @Override\r
- public void fill(Menu menu, int index) {\r
- // Need to grab active part here, we're still in the SWT thread.\r
- IWorkbenchPart activePart = WorkbenchUtils.getActiveWorkbenchPart();\r
- if (activePart == null)\r
- return;\r
- ICanvasContext ctx = (ICanvasContext) activePart.getAdapter(ICanvasContext.class);\r
- if (ctx == null)\r
- return;\r
-\r
- this.canvas = ctx;\r
- try {\r
- super.fill(menu, index);\r
- } finally {\r
- this.canvas = null;\r
- }\r
- }\r
-\r
- @Override\r
- protected IContributionItem[] getContributionItems(ReadGraph graph, Object[] selection) throws DatabaseException {\r
-\r
- T input = computeInput(graph, selection);\r
-\r
- if(input == null) return NONE;\r
-\r
- return new IContributionItem[] {\r
- new ActionContributionItem(new Helper(graph.getSession(), canvas, input))\r
- };\r
-\r
- }\r
-\r
- public class Helper extends Action {\r
-\r
- private final T input;\r
- protected final Session session;\r
- protected final ICanvasContext context;\r
-\r
- public Helper(Session session, ICanvasContext context, T input) {\r
- super(getName(), getImage());\r
- this.session = session;\r
- this.context = context;\r
- this.input = input;\r
- }\r
-\r
- @Override\r
- public void run() {\r
- perform(session, context, input);\r
- ThreadUtils.asyncExec(context.getThreadAccess(), new Runnable() {\r
- @Override\r
- public void run() {\r
- if (context.isDisposed())\r
- return;\r
- Selection selection = context.getAtMostOneItemOfClass(Selection.class);\r
- if (selection != null) {\r
- // This prevents workbench selection from being left over.\r
- // Also prevents scene graph crap from being left on the screen.\r
- selection.clear(0);\r
- }\r
- }\r
- });\r
- }\r
-\r
- }\r
-\r
- protected ImageDescriptor silk(String name) {\r
- return BundleUtils.getImageDescriptorFromBundle(Platform.getBundle("com.famfamfam.silk"), "/icons/" + name);\r
- }\r
-\r
- abstract protected T computeInput(ReadGraph graph, Object[] selection) throws DatabaseException;\r
- abstract protected void perform(Session session, ICanvasContext context, T input);\r
- abstract protected String getName();\r
- abstract protected ImageDescriptor getImage();\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.contribution;
+
+import org.eclipse.core.runtime.Platform;
+import org.eclipse.jface.action.Action;
+import org.eclipse.jface.action.ActionContributionItem;
+import org.eclipse.jface.action.IContributionItem;
+import org.eclipse.jface.resource.ImageDescriptor;
+import org.eclipse.swt.widgets.Menu;
+import org.eclipse.ui.IWorkbenchPart;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Session;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.g2d.canvas.ICanvasContext;
+import org.simantics.g2d.diagram.participant.Selection;
+import org.simantics.ui.contribution.DynamicMenuContribution;
+import org.simantics.utils.threads.ThreadUtils;
+import org.simantics.utils.ui.BundleUtils;
+import org.simantics.utils.ui.workbench.WorkbenchUtils;
+
+
+/**
+ * @author Antti Villberg
+ */
+abstract public class DiagramDynamicMenuContribution<T> extends DynamicMenuContribution {
+
+ private static final IContributionItem[] NONE = {};
+
+ private ICanvasContext canvas;
+
+ @Override
+ public void fill(Menu menu, int index) {
+ // Need to grab active part here, we're still in the SWT thread.
+ IWorkbenchPart activePart = WorkbenchUtils.getActiveWorkbenchPart();
+ if (activePart == null)
+ return;
+ ICanvasContext ctx = (ICanvasContext) activePart.getAdapter(ICanvasContext.class);
+ if (ctx == null)
+ return;
+
+ this.canvas = ctx;
+ try {
+ super.fill(menu, index);
+ } finally {
+ this.canvas = null;
+ }
+ }
+
+ @Override
+ protected IContributionItem[] getContributionItems(ReadGraph graph, Object[] selection) throws DatabaseException {
+
+ T input = computeInput(graph, selection);
+
+ if(input == null) return NONE;
+
+ return new IContributionItem[] {
+ new ActionContributionItem(new Helper(graph.getSession(), canvas, input))
+ };
+
+ }
+
+ public class Helper extends Action {
+
+ private final T input;
+ protected final Session session;
+ protected final ICanvasContext context;
+
+ public Helper(Session session, ICanvasContext context, T input) {
+ super(getName(), getImage());
+ this.session = session;
+ this.context = context;
+ this.input = input;
+ }
+
+ @Override
+ public void run() {
+ perform(session, context, input);
+ ThreadUtils.asyncExec(context.getThreadAccess(), new Runnable() {
+ @Override
+ public void run() {
+ if (context.isDisposed())
+ return;
+ Selection selection = context.getAtMostOneItemOfClass(Selection.class);
+ if (selection != null) {
+ // This prevents workbench selection from being left over.
+ // Also prevents scene graph crap from being left on the screen.
+ selection.clear(0);
+ }
+ }
+ });
+ }
+
+ }
+
+ protected ImageDescriptor silk(String name) {
+ return BundleUtils.getImageDescriptorFromBundle(Platform.getBundle("com.famfamfam.silk"), "/icons/" + name);
+ }
+
+ abstract protected T computeInput(ReadGraph graph, Object[] selection) throws DatabaseException;
+ abstract protected void perform(Session session, ICanvasContext context, T input);
+ abstract protected String getName();
+ abstract protected ImageDescriptor getImage();
+
+}
Code Review / simantics / platform.git / blobdiff