-/*******************************************************************************\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.browsing.ui.graph.impl.contribution;\r
-\r
-import java.util.Collections;\r
-import java.util.Map;\r
-\r
-import org.simantics.Simantics;\r
-import org.simantics.browsing.ui.BuiltinKeys;\r
-import org.simantics.browsing.ui.BuiltinKeys.LabelerKey;\r
-import org.simantics.browsing.ui.DataSource;\r
-import org.simantics.browsing.ui.GraphExplorer.ModificationContext;\r
-import org.simantics.browsing.ui.NodeContext;\r
-import org.simantics.browsing.ui.PrimitiveQueryUpdater;\r
-import org.simantics.browsing.ui.common.labelers.LabelerContent;\r
-import org.simantics.browsing.ui.common.labelers.LabelerStub;\r
-import org.simantics.browsing.ui.common.node.IModifiableNode;\r
-import org.simantics.browsing.ui.graph.impl.request.ResourceQuery;\r
-import org.simantics.db.ReadGraph;\r
-import org.simantics.db.UndoContext;\r
-import org.simantics.db.common.utils.Logger;\r
-import org.simantics.db.exception.DatabaseException;\r
-import org.simantics.db.layer0.exception.InvalidVariableException;\r
-import org.simantics.db.layer0.exception.PendingVariableException;\r
-import org.simantics.db.procedure.Listener;\r
-import org.simantics.db.procedure.Procedure;\r
-import org.simantics.db.request.Read;\r
-import org.simantics.utils.ui.ErrorLogger;\r
-\r
-public abstract class FinalLabelerContributionImpl extends LabelerStub {\r
-\r
- protected final PrimitiveQueryUpdater updater;\r
- private final ResourceQuery<LabelerContent> labelQuery;\r
-\r
- final protected NodeContext context;\r
- final private BuiltinKeys.LabelerKey key;\r
-\r
- public Object getIdentity(LabelerKey key) {\r
- return key;\r
- }\r
-\r
- public FinalLabelerContributionImpl(final PrimitiveQueryUpdater updater, final NodeContext context, final LabelerKey key) {\r
-\r
- this.updater = updater;\r
- this.context = context;\r
- this.key = key;\r
-\r
- labelQuery = new ResourceQuery<LabelerContent>(getIdentity(key), context) {\r
-\r
- @Override\r
- public LabelerContent perform(ReadGraph graph) throws DatabaseException {\r
- try {\r
- int cat = category(graph, context);\r
- Map<String, String> lbls = labels(graph, context);\r
- // Make sure that null is not returned.\r
- if (lbls == null)\r
- throw new NullPointerException("FinalLabelerContributionImpl.labels is not allowed to return null, but " + FinalLabelerContributionImpl.this.getClass() + " just did it");\r
- return new LabelerContent(cat, lbls);\r
- } catch (PendingVariableException e) {\r
- return LabelerContent.NO_CONTENT;\r
- } catch (InvalidVariableException e) {\r
- //ErrorLogger.defaultLogError("FinalLabelerContributionImpl.labelQuery failed due to invalid variable.", e);\r
- return LabelerContent.NO_CONTENT;\r
- } catch (DatabaseException e) {\r
- throw e;\r
- } catch (Throwable t) {\r
- ErrorLogger.defaultLogError("FinalLabelerContributionImpl.labelQuery produced unexpected exception.", t);\r
- return LabelerContent.NO_CONTENT;\r
- }\r
- }\r
-\r
- @Override\r
- public String toString() {\r
- return FinalLabelerContributionImpl.this + " with context " + context;\r
- }\r
-\r
- };\r
-\r
- }\r
-\r
- protected Procedure<LabelerContent> createProcedure() {\r
-\r
- return new Procedure<LabelerContent>() {\r
-\r
- @Override\r
- public void execute(LabelerContent result) {\r
- replaceResult(result);\r
- }\r
-\r
- @Override\r
- public void exception(Throwable t) {\r
- ErrorLogger.defaultLogError("FinalLabelerContributionImpl.labelQuery failed, see exception for details.", t);\r
- }\r
-\r
- };\r
-\r
- }\r
-\r
- protected void replaceResult(LabelerContent result) {\r
- setContent(result);\r
- updater.scheduleReplace(context, key, this);\r
- }\r
-\r
- @Override\r
- public Map<String, String> getLabels() {\r
-\r
- if (content == LabelerContent.NO_CONTENT) {\r
-\r
- final DataSource<ReadGraph> source = updater.getDataSource(ReadGraph.class);\r
- assert(source != null);\r
-\r
- final Procedure<LabelerContent> procedure = createProcedure();\r
- \r
- source.schedule(graph -> {\r
- if(procedure instanceof Listener<?>)\r
- graph.asyncRequest(labelQuery, (Listener<LabelerContent>)procedure);\r
- else\r
- graph.asyncRequest(labelQuery, procedure);\r
- });\r
-\r
- }\r
-\r
- if(content == null) return Collections.emptyMap();\r
-\r
- return content.labels;\r
-\r
- }\r
-\r
- @Override\r
- public Modifier getModifier(final ModificationContext modificationContext, final String columnKey) {\r
- \r
- Object obj = context.getConstant(BuiltinKeys.INPUT);\r
- if (obj instanceof IModifiableNode) {\r
- return ((IModifiableNode) obj).getModifier(columnKey);\r
- }\r
- try {\r
- return Simantics.getSession().syncRequest(new Read<Modifier>() {\r
-\r
- @Override\r
- public Modifier perform(ReadGraph graph) throws DatabaseException {\r
- UndoContext undoContext = null == modificationContext ? null :\r
- (UndoContext)modificationContext.getAdapter(UndoContext.class);\r
- return FinalLabelerContributionImpl.this.getModifier(graph, undoContext, context, columnKey);\r
- }\r
- \r
- });\r
- } catch (DatabaseException e) {\r
- Logger.defaultLogError(e);\r
- return null;\r
- }\r
- \r
- }\r
-\r
- // OVERRIDE\r
-\r
- public Modifier getModifier(ReadGraph graph, UndoContext undoContext, NodeContext context, String columnKey) throws DatabaseException {\r
- return null;\r
- }\r
-\r
- public abstract Map<String, String> labels(ReadGraph graph, NodeContext context) throws DatabaseException;\r
-\r
- public abstract int category(ReadGraph graph, NodeContext context) throws DatabaseException;\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.browsing.ui.graph.impl.contribution;
+
+import java.util.Collections;
+import java.util.Map;
+
+import org.simantics.Simantics;
+import org.simantics.browsing.ui.BuiltinKeys;
+import org.simantics.browsing.ui.BuiltinKeys.LabelerKey;
+import org.simantics.browsing.ui.DataSource;
+import org.simantics.browsing.ui.GraphExplorer.ModificationContext;
+import org.simantics.browsing.ui.NodeContext;
+import org.simantics.browsing.ui.PrimitiveQueryUpdater;
+import org.simantics.browsing.ui.common.labelers.LabelerContent;
+import org.simantics.browsing.ui.common.labelers.LabelerStub;
+import org.simantics.browsing.ui.common.node.IModifiableNode;
+import org.simantics.browsing.ui.graph.impl.request.ResourceQuery;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.UndoContext;
+import org.simantics.db.common.utils.Logger;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.layer0.exception.InvalidVariableException;
+import org.simantics.db.layer0.exception.PendingVariableException;
+import org.simantics.db.procedure.Listener;
+import org.simantics.db.procedure.Procedure;
+import org.simantics.db.request.Read;
+import org.simantics.utils.ui.ErrorLogger;
+
+public abstract class FinalLabelerContributionImpl extends LabelerStub {
+
+ protected final PrimitiveQueryUpdater updater;
+ private final ResourceQuery<LabelerContent> labelQuery;
+
+ final protected NodeContext context;
+ final private BuiltinKeys.LabelerKey key;
+
+ public Object getIdentity(LabelerKey key) {
+ return key;
+ }
+
+ public FinalLabelerContributionImpl(final PrimitiveQueryUpdater updater, final NodeContext context, final LabelerKey key) {
+
+ this.updater = updater;
+ this.context = context;
+ this.key = key;
+
+ labelQuery = new ResourceQuery<LabelerContent>(getIdentity(key), context) {
+
+ @Override
+ public LabelerContent perform(ReadGraph graph) throws DatabaseException {
+ try {
+ int cat = category(graph, context);
+ Map<String, String> lbls = labels(graph, context);
+ // Make sure that null is not returned.
+ if (lbls == null)
+ throw new NullPointerException("FinalLabelerContributionImpl.labels is not allowed to return null, but " + FinalLabelerContributionImpl.this.getClass() + " just did it");
+ return new LabelerContent(cat, lbls);
+ } catch (PendingVariableException e) {
+ return LabelerContent.NO_CONTENT;
+ } catch (InvalidVariableException e) {
+ //ErrorLogger.defaultLogError("FinalLabelerContributionImpl.labelQuery failed due to invalid variable.", e);
+ return LabelerContent.NO_CONTENT;
+ } catch (DatabaseException e) {
+ throw e;
+ } catch (Throwable t) {
+ ErrorLogger.defaultLogError("FinalLabelerContributionImpl.labelQuery produced unexpected exception.", t);
+ return LabelerContent.NO_CONTENT;
+ }
+ }
+
+ @Override
+ public String toString() {
+ return FinalLabelerContributionImpl.this + " with context " + context;
+ }
+
+ };
+
+ }
+
+ protected Procedure<LabelerContent> createProcedure() {
+
+ return new Procedure<LabelerContent>() {
+
+ @Override
+ public void execute(LabelerContent result) {
+ replaceResult(result);
+ }
+
+ @Override
+ public void exception(Throwable t) {
+ ErrorLogger.defaultLogError("FinalLabelerContributionImpl.labelQuery failed, see exception for details.", t);
+ }
+
+ };
+
+ }
+
+ protected void replaceResult(LabelerContent result) {
+ setContent(result);
+ updater.scheduleReplace(context, key, this);
+ }
+
+ @Override
+ public Map<String, String> getLabels() {
+
+ if (content == LabelerContent.NO_CONTENT) {
+
+ final DataSource<ReadGraph> source = updater.getDataSource(ReadGraph.class);
+ assert(source != null);
+
+ final Procedure<LabelerContent> procedure = createProcedure();
+
+ source.schedule(graph -> {
+ if(procedure instanceof Listener<?>)
+ graph.asyncRequest(labelQuery, (Listener<LabelerContent>)procedure);
+ else
+ graph.asyncRequest(labelQuery, procedure);
+ });
+
+ }
+
+ if(content == null) return Collections.emptyMap();
+
+ return content.labels;
+
+ }
+
+ @Override
+ public Modifier getModifier(final ModificationContext modificationContext, final String columnKey) {
+
+ Object obj = context.getConstant(BuiltinKeys.INPUT);
+ if (obj instanceof IModifiableNode) {
+ return ((IModifiableNode) obj).getModifier(columnKey);
+ }
+ try {
+ return Simantics.getSession().syncRequest(new Read<Modifier>() {
+
+ @Override
+ public Modifier perform(ReadGraph graph) throws DatabaseException {
+ UndoContext undoContext = null == modificationContext ? null :
+ (UndoContext)modificationContext.getAdapter(UndoContext.class);
+ return FinalLabelerContributionImpl.this.getModifier(graph, undoContext, context, columnKey);
+ }
+
+ });
+ } catch (DatabaseException e) {
+ Logger.defaultLogError(e);
+ return null;
+ }
+
+ }
+
+ // OVERRIDE
+
+ public Modifier getModifier(ReadGraph graph, UndoContext undoContext, NodeContext context, String columnKey) throws DatabaseException {
+ return null;
+ }
+
+ public abstract Map<String, String> labels(ReadGraph graph, NodeContext context) throws DatabaseException;
+
+ public abstract int category(ReadGraph graph, NodeContext context) throws DatabaseException;
+
+}
Code Review / simantics / platform.git / blobdiff