Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.modeling.ui / src / org / simantics / modeling / ui / diagramEditor / handlers / e4 / ToggleFocusabilityHandler.java

diff --git a/bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/diagramEditor/handlers/e4/ToggleFocusabilityHandler.java b/bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/diagramEditor/handlers/e4/ToggleFocusabilityHandler.java
new file mode 100644 (file)
index 0000000..a6cd3be
--- /dev/null
+++ b/bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/diagramEditor/handlers/e4/ToggleFocusabilityHandler.java
@@ -0,0 +1,85 @@
+/*******************************************************************************\r
+ * Copyright (c) 2013 Association for Decentralized Information Management in\r
+ * 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
+ *     Semantum Oy - initial API and implementation\r
+ *******************************************************************************/\r
+package org.simantics.modeling.ui.diagramEditor.handlers.e4;\r
+\r
+import org.eclipse.e4.core.contexts.Active;\r
+import org.eclipse.e4.core.di.annotations.CanExecute;\r
+import org.eclipse.e4.core.di.annotations.Execute;\r
+import org.eclipse.e4.core.di.annotations.Optional;\r
+import org.eclipse.e4.ui.model.application.ui.basic.MPart;\r
+import org.eclipse.e4.ui.model.application.ui.menu.MToolItem;\r
+import org.eclipse.ui.IEditorPart;\r
+import org.eclipse.ui.internal.e4.compatibility.CompatibilityEditor;\r
+import org.simantics.g2d.diagram.DiagramHints;\r
+import org.simantics.g2d.diagram.IDiagram;\r
+import org.simantics.g2d.layers.ILayersEditor;\r
+import org.simantics.modeling.ui.diagramEditor.DiagramEditor;\r
+import org.simantics.utils.ui.workbench.WorkbenchUtils;\r
+\r
+/**\r
+ * @author Tuukka Lehtonen\r
+ */\r
+public class ToggleFocusabilityHandler {\r
+\r
+    @CanExecute\r
+    public boolean canExecute(@Active MPart part) {\r
+        if (!(part.getObject() instanceof CompatibilityEditor))\r
+            return false;\r
+        CompatibilityEditor editor = (CompatibilityEditor) part.getObject();\r
+        if (!(editor.getPart() instanceof DiagramEditor))\r
+            return false;\r
+        return true;\r
+    }\r
+    \r
+       @Execute\r
+       public void execute(@Optional MToolItem toolItem) {\r
+               ILayersEditor le = getLayers();\r
+               if (le != null) {\r
+                       boolean b = le.getIgnoreFocusSettings();\r
+                       le.setIgnoreFocusSettings( !b );\r
+\r
+                       if (toolItem != null) {\r
+                           toolItem.setSelected(!b);\r
+                           toolItem.setTooltip((!b ? "Deny" : "Allow") + " Focusing and Editing of Images");\r
+                       }\r
+               }\r
+       }\r
+\r
+       protected ILayersEditor getLayers() {\r
+               DiagramEditor editor = getEditor();\r
+               if (editor == null)\r
+                       return null;\r
+               return getLayers(editor);\r
+       }\r
+\r
+       protected ILayersEditor getLayers(DiagramEditor editor) {\r
+               // The diagram might not be available since the diagram editor loads it asynchronously.\r
+               IDiagram diagram = (IDiagram) editor.getAdapter(IDiagram.class);\r
+               if (diagram == null)\r
+                       return null;\r
+               //System.out.println("getLayersEditor(" + diagram + ")");\r
+               ILayersEditor le = diagram.getHint(DiagramHints.KEY_LAYERS_EDITOR);\r
+               return le;\r
+       }\r
+\r
+       protected DiagramEditor getEditor() {\r
+               IEditorPart editorPart = WorkbenchUtils.getActiveEditor();\r
+               if (editorPart == null)\r
+                       return null;\r
+               if (editorPart instanceof DiagramEditor) {\r
+                       DiagramEditor editor = (DiagramEditor) editorPart;\r
+                       return editor;\r
+               }\r
+               return null;\r
+       }\r
+\r
+}\r