]> gerrit.simantics Code Review - simantics/platform.git/blobdiff - bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/property/TypicalPropertyTester.java
Rid TypicalPropertyTester of database read transactions
[simantics/platform.git] / bundles / org.simantics.modeling.ui / src / org / simantics / modeling / ui / property / TypicalPropertyTester.java
index 06d6bdae40174966ac40fdaf4d933c8b6d5d0ba8..b222d23e4038816e4b70d0dfb98a241c242cb72f 100644 (file)
-/*******************************************************************************\r
- * Copyright (c) 2007, 2012 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.modeling.ui.property;\r
-\r
-import org.eclipse.core.expressions.PropertyTester;\r
-import org.eclipse.ui.IEditorInput;\r
-import org.eclipse.ui.IEditorPart;\r
-import org.simantics.DatabaseJob;\r
-import org.simantics.Simantics;\r
-import org.simantics.db.ReadGraph;\r
-import org.simantics.db.RequestProcessor;\r
-import org.simantics.db.Resource;\r
-import org.simantics.db.Session;\r
-import org.simantics.db.common.request.UniqueRead;\r
-import org.simantics.db.common.utils.RequestUtil;\r
-import org.simantics.db.exception.DatabaseException;\r
-import org.simantics.diagram.stubs.DiagramResource;\r
-import org.simantics.modeling.ModelingResources;\r
-import org.simantics.ui.SimanticsUI;\r
-import org.simantics.ui.workbench.IResourceEditorInput;\r
-import org.simantics.utils.ui.ErrorLogger;\r
-\r
-/**\r
- * @author Tuukka Lehtonen\r
- */\r
-public class TypicalPropertyTester extends PropertyTester {\r
-\r
-\r
-    /**\r
-     * Tests if the received object is considered deletable.\r
-     */\r
-    private static final String IS_TYPICAL_MASTER_EDITOR = "isMasterEditor";\r
-\r
-    /**\r
-     * Tests if the received object is considered modifiable.\r
-     */\r
-    private static final String IS_TYPICAL_INSTANCE_EDITOR = "isInstanceEditor";\r
-\r
-    @Override\r
-    public boolean test(final Object receiver, final String property, final Object[] args, final Object expectedValue) {\r
-        //System.out.println("TEST: " + receiver + ", " + property + ", " + Arrays.toString(args) + ", " + expectedValue);\r
-\r
-        try {\r
-            Session session = Simantics.peekSession();\r
-            if (session == null)\r
-                return false;\r
-\r
-            if (!(receiver instanceof IEditorPart))\r
-                return false;\r
-            IEditorPart editor = (IEditorPart) receiver;\r
-            IEditorInput in = editor.getEditorInput();\r
-            if (!(in instanceof IResourceEditorInput))\r
-                return false;\r
-            IResourceEditorInput input = (IResourceEditorInput) in;\r
-            final Resource inputResource = input.getResource();\r
-\r
-            if (DatabaseJob.inProgress()) {\r
-                // See Apros issue #9115\r
-                // Return true because it is often possible that the database\r
-                // will be busy when these properties are tested. In such cases\r
-                // the handlers/menu contributions using these tests would\r
-                // become disabled unless we return true here. It is up to the\r
-                // handlers to also make sure that their input is valid.\r
-                return true;\r
-            }\r
-\r
-            if (IS_TYPICAL_MASTER_EDITOR.equals(property)) {\r
-                return isTypicalMasterEditor(session, inputResource);\r
-            } else if (IS_TYPICAL_INSTANCE_EDITOR.equals(property)) {\r
-                return isTypicalInstanceEditor(session, inputResource);\r
-            }\r
-        } catch (DatabaseException | InterruptedException e) {\r
-            ErrorLogger.defaultLogError(e);\r
-        }\r
-\r
-        return false;\r
-    }\r
-\r
-    public static boolean isTypicalMasterEditor(RequestProcessor processor, final Resource editorInputResource) throws DatabaseException, InterruptedException {\r
-        return RequestUtil.trySyncRequest(\r
-                Simantics.getSession(),\r
-                SimanticsUI.UI_THREAD_REQUEST_START_TIMEOUT,\r
-                SimanticsUI.UI_THREAD_REQUEST_EXECUTION_TIMEOUT,\r
-                false,\r
-                new UniqueRead<Boolean>() {\r
-            @Override\r
-            public Boolean perform(ReadGraph graph) throws DatabaseException {\r
-                ModelingResources MOD = ModelingResources.getInstance(graph);\r
-                Resource composite = graph.getPossibleObject(editorInputResource, MOD.DiagramToComposite);\r
-                return composite != null\r
-                        && graph.isInstanceOf(composite, MOD.MasterTypicalCompositeType);\r
-            }\r
-        });\r
-    }\r
-\r
-    public static boolean isTypicalInstanceEditor(RequestProcessor processor, final Resource editorInputResource) throws DatabaseException, InterruptedException {\r
-        return RequestUtil.trySyncRequest(\r
-                Simantics.getSession(),\r
-                SimanticsUI.UI_THREAD_REQUEST_START_TIMEOUT,\r
-                SimanticsUI.UI_THREAD_REQUEST_EXECUTION_TIMEOUT,\r
-                false,\r
-                new UniqueRead<Boolean>() {\r
-            @Override\r
-            public Boolean perform(ReadGraph graph) throws DatabaseException {\r
-                DiagramResource DIA = DiagramResource.getInstance(graph);\r
-                ModelingResources MOD = ModelingResources.getInstance(graph);\r
-                return graph.isInstanceOf(editorInputResource, DIA.Diagram)\r
-                        && graph.hasStatement(editorInputResource, MOD.HasDiagramSource);\r
-            }\r
-        });\r
-    }\r
-\r
-}\r
+/*******************************************************************************
+ * Copyright (c) 2007, 2019 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
+ *     Semantum Oy - gitlab #399
+ *******************************************************************************/
+package org.simantics.modeling.ui.property;
+
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.Set;
+
+import org.eclipse.core.expressions.PropertyTester;
+import org.eclipse.core.runtime.IAdaptable;
+import org.eclipse.ui.IEditorPart;
+import org.simantics.Simantics;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.RequestProcessor;
+import org.simantics.db.Resource;
+import org.simantics.db.common.request.UniqueRead;
+import org.simantics.db.common.utils.RequestUtil;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.request.Read;
+import org.simantics.diagram.stubs.DiagramResource;
+import org.simantics.diagram.ui.DiagramModelHints;
+import org.simantics.g2d.diagram.IDiagram;
+import org.simantics.modeling.ModelingResources;
+import org.simantics.modeling.ui.diagramEditor.DiagramViewer;
+import org.simantics.ui.SimanticsUI;
+
+/**
+ * @author Tuukka Lehtonen
+ */
+public class TypicalPropertyTester extends PropertyTester {
+
+
+    /**
+     * Tests if the received object is considered deletable.
+     */
+    private static final String IS_TYPICAL_MASTER_EDITOR = "isMasterEditor";
+
+    /**
+     * Tests if the received object is considered modifiable.
+     */
+    private static final String IS_TYPICAL_INSTANCE_EDITOR = "isInstanceEditor";
+
+    @Override
+    public boolean test(final Object receiver, final String property, final Object[] args, final Object expectedValue) {
+        //System.out.println("TEST: " + receiver + ", " + property + ", " + Arrays.toString(args) + ", " + expectedValue);
+
+        if (!(receiver instanceof IEditorPart))
+            return false;
+
+        if (IS_TYPICAL_MASTER_EDITOR.equals(property)) {
+            return isTypicalMasterEditor((IEditorPart) receiver);
+        } else if (IS_TYPICAL_INSTANCE_EDITOR.equals(property)) {
+            return isTypicalInstanceEditor((IEditorPart) receiver);
+        }
+
+        return false;
+    }
+
+    private static IDiagram getDiagram(IAdaptable editor) {
+        DiagramViewer viewer = editor.getAdapter(DiagramViewer.class);
+        return viewer != null ? viewer.getAdapter(IDiagram.class) : null;
+    }
+
+    private static Set<String> getDiagramMappedCompositeTypes(IDiagram diagram) {
+        Set<String> result = diagram != null ? diagram.getHint(DiagramModelHints.KEY_MAPPED_COMPOSITE_RESOURCE_TYPE_URIS) : null;
+        return result != null ? result :  Collections.emptySet();
+    }
+
+    private static Set<String> getDiagramMappedCompositeTypes(IAdaptable editor) {
+        return getDiagramMappedCompositeTypes( getDiagram(editor) );
+    }
+
+    public static boolean isTypicalMasterEditor(IAdaptable editor) {
+        Set<String> types = getDiagramMappedCompositeTypes(editor);
+        return types.contains(ModelingResources.URIs.MasterTypicalCompositeType);
+    }
+
+    private static boolean hasDiagramSource(IDiagram diagram) {
+        return diagram.getHint(DiagramModelHints.KEY_HAS_DIAGRAM_SOURCE) != null;
+    }
+
+    public static boolean isTypicalInstanceEditor(IAdaptable editor) {
+        IDiagram diagram = getDiagram(editor);
+        if (diagram == null)
+            return false;
+        Set<String> types = getDiagramMappedCompositeTypes(diagram);
+        return !types.contains(ModelingResources.URIs.MasterTypicalCompositeType)
+                && types.contains(ModelingResources.URIs.TypicalComposite)
+                && hasDiagramSource(diagram);
+    }
+
+    private static boolean timeoutingRead(RequestProcessor processor, Read<Boolean> read) throws DatabaseException, InterruptedException {
+        return RequestUtil.trySyncRequest(
+                Simantics.getSession(),
+                SimanticsUI.UI_THREAD_REQUEST_START_TIMEOUT,
+                SimanticsUI.UI_THREAD_REQUEST_EXECUTION_TIMEOUT,
+                false,
+                read);
+    }
+
+    public static boolean isTypicalMasterEditor(RequestProcessor processor, Resource editorInputResource) throws DatabaseException, InterruptedException {
+        return timeoutingRead(processor, new UniqueRead<Boolean>() {
+            @Override
+            public Boolean perform(ReadGraph graph) throws DatabaseException {
+                return isTypicalMasterEditor(graph, editorInputResource);
+            }
+        });
+    }
+
+    public static boolean isTypicalInstanceEditor(RequestProcessor processor, Resource editorInputResource) throws DatabaseException, InterruptedException {
+        return timeoutingRead(processor, new UniqueRead<Boolean>() {
+            @Override
+            public Boolean perform(ReadGraph graph) throws DatabaseException {
+                return isTypicalInstanceEditor(graph, editorInputResource);
+            }
+        });
+    }
+
+    public static boolean isTypicalMasterEditor(ReadGraph graph, Resource editorInputResource) throws DatabaseException {
+        ModelingResources MOD = ModelingResources.getInstance(graph);
+        Resource composite = graph.getPossibleObject(editorInputResource, MOD.DiagramToComposite);
+        return composite != null
+                && graph.isInstanceOf(composite, MOD.MasterTypicalCompositeType);
+    }
+
+    public static boolean isTypicalInstanceEditor(ReadGraph graph, Resource editorInputResource) throws DatabaseException {
+        DiagramResource DIA = DiagramResource.getInstance(graph);
+        ModelingResources MOD = ModelingResources.getInstance(graph);
+        return graph.isInstanceOf(editorInputResource, DIA.Diagram)
+                && graph.hasStatement(editorInputResource, MOD.HasDiagramSource);
+    }
+
+}