-/*******************************************************************************\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;\r
-\r
-import java.util.ArrayList;\r
-import java.util.Collections;\r
-import java.util.HashSet;\r
-import java.util.List;\r
-import java.util.Set;\r
-\r
-import org.simantics.browsing.ui.content.Labeler.EnumerationModifier;\r
-import org.simantics.databoard.Bindings;\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.UndoContext;\r
-import org.simantics.db.VirtualGraph;\r
-import org.simantics.db.WriteGraph;\r
-import org.simantics.db.common.request.ObjectsWithType;\r
-import org.simantics.db.common.request.WriteRequest;\r
-import org.simantics.db.exception.DatabaseException;\r
-import org.simantics.db.layer0.variable.Variable;\r
-import org.simantics.db.layer0.variable.Variables;\r
-import org.simantics.db.request.Read;\r
-import org.simantics.layer0.Layer0;\r
-import org.simantics.utils.datastructures.Callback;\r
-import org.simantics.utils.ui.ErrorLogger;\r
-\r
-/**\r
- * @author Tuukka Lehtonen\r
- */\r
-public class EnumerationVariableModifier2 implements EnumerationModifier {\r
-\r
- protected final Session session;\r
- protected final UndoContext undoContext;\r
- protected final Variable variable;\r
- protected final Set<String> allowedValues;\r
- protected final String defaultValue;\r
-\r
- protected Throwable modifierFailed;\r
-\r
- public EnumerationVariableModifier2(RequestProcessor processor, UndoContext undoContext, Variable variable) {\r
-\r
- this.session = processor.getSession();\r
- this.undoContext = undoContext;\r
- this.variable = variable;\r
- this.allowedValues = computeAllowedValues(processor, variable);\r
- this.defaultValue = computeDefaultValue(processor, variable);\r
- \r
- }\r
-\r
- protected String computeDefaultValue(RequestProcessor processor, final Variable variable) {\r
- try {\r
- return processor.syncRequest(new Read<String>() {\r
- @Override\r
- public String perform(ReadGraph graph) throws DatabaseException {\r
- return variable.getPossiblePropertyValue(graph, Variables.LABEL);\r
- }\r
- });\r
- } catch (DatabaseException e) {\r
- return "";\r
- }\r
- }\r
- \r
- protected Set<String> computeAllowedValues(RequestProcessor processor, final Variable variable) {\r
- try {\r
- return processor.syncRequest(new Read<Set<String>>() {\r
- @Override\r
- public Set<String> perform(ReadGraph graph) throws DatabaseException {\r
-\r
- Layer0 L0 = Layer0.getInstance(graph);\r
- Set<String> result = new HashSet<String>();\r
- Resource literal = variable.getPossibleRepresents(graph);\r
- Resource type = graph.getSingleObject(literal, L0.PartOf);\r
- for(Resource lit : graph.syncRequest(new ObjectsWithType(type, L0.ConsistsOf, type))) {\r
- String label = graph.getPossibleRelatedValue(lit, L0.HasLabel);\r
- if(label == null) label = graph.getRelatedValue(lit, L0.HasName);\r
- result.add(label);\r
- }\r
- return result;\r
- \r
- }\r
- });\r
- } catch (DatabaseException e) {\r
- return Collections.emptySet();\r
- }\r
- }\r
-\r
- public class Write extends WriteRequest {\r
-\r
- final private Variable variable;\r
- final private String label;\r
-\r
- public Write(Variable variable, String label) {\r
- super((VirtualGraph)null);\r
- this.variable = variable;\r
- this.label = label;\r
- }\r
-\r
- @Override\r
- public void perform(WriteGraph graph) throws DatabaseException {\r
- variable.setValue(graph, label, Bindings.STRING);\r
- }\r
-\r
- }\r
- \r
- protected void doModify(final String label) {\r
- session.asyncRequest(new Write(variable, label),\r
- new Callback<DatabaseException>() {\r
- @Override\r
- public void run(DatabaseException parameter) {\r
- if (parameter != null)\r
- ErrorLogger.defaultLogError(parameter);\r
- }\r
- });\r
- }\r
-\r
- @Override\r
- public String getValue() {\r
- return defaultValue;\r
- }\r
-\r
- @Override\r
- public String isValid(String label) {\r
- if (modifierFailed != null)\r
- return "Could not resolve validator for this value, modification denied. Reason: "\r
- + modifierFailed.getMessage();\r
- // Validity should already be enforced by the editing UI for\r
- // enumerations.\r
- return null;\r
- }\r
-\r
- @Override\r
- public final void modify(String label) {\r
- if (modifierFailed != null)\r
- // Should never end up here, isValid should prevent it.\r
- throw new Error("modifier failed: " + modifierFailed.getMessage());\r
- doModify(label);\r
- }\r
-\r
- @Override\r
- public List<String> getValues() {\r
- ArrayList<String> result = new ArrayList<String>();\r
- result.addAll(allowedValues);\r
- return result;\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.browsing.ui.graph.impl;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+
+import org.simantics.browsing.ui.content.Labeler.EnumerationModifier;
+import org.simantics.databoard.Bindings;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.RequestProcessor;
+import org.simantics.db.Resource;
+import org.simantics.db.Session;
+import org.simantics.db.UndoContext;
+import org.simantics.db.VirtualGraph;
+import org.simantics.db.WriteGraph;
+import org.simantics.db.common.request.ObjectsWithType;
+import org.simantics.db.common.request.WriteRequest;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.layer0.variable.Variable;
+import org.simantics.db.layer0.variable.Variables;
+import org.simantics.db.request.Read;
+import org.simantics.layer0.Layer0;
+import org.simantics.utils.datastructures.Callback;
+import org.simantics.utils.ui.ErrorLogger;
+
+/**
+ * @author Tuukka Lehtonen
+ */
+public class EnumerationVariableModifier2 implements EnumerationModifier {
+
+ protected final Session session;
+ protected final UndoContext undoContext;
+ protected final Variable variable;
+ protected final Set<String> allowedValues;
+ protected final String defaultValue;
+
+ protected Throwable modifierFailed;
+
+ public EnumerationVariableModifier2(RequestProcessor processor, UndoContext undoContext, Variable variable) {
+
+ this.session = processor.getSession();
+ this.undoContext = undoContext;
+ this.variable = variable;
+ this.allowedValues = computeAllowedValues(processor, variable);
+ this.defaultValue = computeDefaultValue(processor, variable);
+
+ }
+
+ protected String computeDefaultValue(RequestProcessor processor, final Variable variable) {
+ try {
+ return processor.syncRequest(new Read<String>() {
+ @Override
+ public String perform(ReadGraph graph) throws DatabaseException {
+ return variable.getPossiblePropertyValue(graph, Variables.LABEL);
+ }
+ });
+ } catch (DatabaseException e) {
+ return "";
+ }
+ }
+
+ protected Set<String> computeAllowedValues(RequestProcessor processor, final Variable variable) {
+ try {
+ return processor.syncRequest(new Read<Set<String>>() {
+ @Override
+ public Set<String> perform(ReadGraph graph) throws DatabaseException {
+
+ Layer0 L0 = Layer0.getInstance(graph);
+ Set<String> result = new HashSet<String>();
+ Resource literal = variable.getPossibleRepresents(graph);
+ Resource type = graph.getSingleObject(literal, L0.PartOf);
+ for(Resource lit : graph.syncRequest(new ObjectsWithType(type, L0.ConsistsOf, type))) {
+ String label = graph.getPossibleRelatedValue(lit, L0.HasLabel);
+ if(label == null) label = graph.getRelatedValue(lit, L0.HasName);
+ result.add(label);
+ }
+ return result;
+
+ }
+ });
+ } catch (DatabaseException e) {
+ return Collections.emptySet();
+ }
+ }
+
+ public class Write extends WriteRequest {
+
+ final private Variable variable;
+ final private String label;
+
+ public Write(Variable variable, String label) {
+ super((VirtualGraph)null);
+ this.variable = variable;
+ this.label = label;
+ }
+
+ @Override
+ public void perform(WriteGraph graph) throws DatabaseException {
+ variable.setValue(graph, label, Bindings.STRING);
+ }
+
+ }
+
+ protected void doModify(final String label) {
+ session.asyncRequest(new Write(variable, label),
+ new Callback<DatabaseException>() {
+ @Override
+ public void run(DatabaseException parameter) {
+ if (parameter != null)
+ ErrorLogger.defaultLogError(parameter);
+ }
+ });
+ }
+
+ @Override
+ public String getValue() {
+ return defaultValue;
+ }
+
+ @Override
+ public String isValid(String label) {
+ if (modifierFailed != null)
+ return "Could not resolve validator for this value, modification denied. Reason: "
+ + modifierFailed.getMessage();
+ // Validity should already be enforced by the editing UI for
+ // enumerations.
+ return null;
+ }
+
+ @Override
+ public final void modify(String label) {
+ if (modifierFailed != null)
+ // Should never end up here, isValid should prevent it.
+ throw new Error("modifier failed: " + modifierFailed.getMessage());
+ doModify(label);
+ }
+
+ @Override
+ public List<String> getValues() {
+ ArrayList<String> result = new ArrayList<String>();
+ result.addAll(allowedValues);
+ return result;
+ }
+
+};
Code Review / simantics / platform.git / blobdiff