-/*******************************************************************************\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.List;\r
-\r
-import org.simantics.browsing.ui.content.Labeler.EnumerationModifier;\r
-import org.simantics.db.ReadGraph;\r
-import org.simantics.db.RequestProcessor;\r
-import org.simantics.db.Session;\r
-import org.simantics.db.UndoContext;\r
-import org.simantics.db.common.request.ReadRequest;\r
-import org.simantics.db.exception.DatabaseException;\r
-import org.simantics.db.layer0.variable.Variable;\r
-import org.simantics.db.layer0.variable.VariableWrite;\r
-import org.simantics.utils.datastructures.Callback;\r
-import org.simantics.utils.ui.ErrorLogger;\r
-\r
-/**\r
- * @author Tuukka Lehtonen\r
- */\r
-public class EnumerationVariableModifier implements EnumerationModifier {\r
-\r
- protected final Session session;\r
- protected final UndoContext undoContext;\r
- protected final Variable variable;\r
- protected final List<String> allowedValues;\r
- protected final String defaultValue;\r
-\r
- private String initialValue;\r
- protected Throwable modifierFailed;\r
-\r
- public EnumerationVariableModifier(RequestProcessor processor, UndoContext undoContext, Variable variable,\r
- List<String> allowedValues, String defaultValue) {\r
- this.session = processor.getSession();\r
- this.undoContext = undoContext;\r
- this.variable = variable;\r
- this.allowedValues = allowedValues;\r
- this.defaultValue = defaultValue;\r
-\r
- initializeModifier(processor);\r
- }\r
-\r
- protected void initializeModifier(RequestProcessor processor) {\r
- try {\r
- processor.syncRequest(new ReadRequest() {\r
- @Override\r
- public void run(ReadGraph graph) throws DatabaseException {\r
- initialValue = getInitialValue(graph);\r
- }\r
- });\r
- } catch (DatabaseException e) {\r
- modifierFailed = e;\r
- }\r
- }\r
-\r
- protected void doModify(final String label) {\r
- session.asyncRequest(new VariableWrite(variable, label, null, null),\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
- protected String getInitialValue(ReadGraph graph) throws DatabaseException {\r
- Object value = variable.getValue(graph);\r
- return value == null ? defaultValue : value.toString();\r
- }\r
-\r
- @Override\r
- public String getValue() {\r
- return initialValue;\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
- return allowedValues;\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.List;
+
+import org.simantics.browsing.ui.content.Labeler.EnumerationModifier;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.RequestProcessor;
+import org.simantics.db.Session;
+import org.simantics.db.UndoContext;
+import org.simantics.db.common.request.ReadRequest;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.layer0.variable.Variable;
+import org.simantics.db.layer0.variable.VariableWrite;
+import org.simantics.utils.datastructures.Callback;
+import org.simantics.utils.ui.ErrorLogger;
+
+/**
+ * @author Tuukka Lehtonen
+ */
+public class EnumerationVariableModifier implements EnumerationModifier {
+
+ protected final Session session;
+ protected final UndoContext undoContext;
+ protected final Variable variable;
+ protected final List<String> allowedValues;
+ protected final String defaultValue;
+
+ private String initialValue;
+ protected Throwable modifierFailed;
+
+ public EnumerationVariableModifier(RequestProcessor processor, UndoContext undoContext, Variable variable,
+ List<String> allowedValues, String defaultValue) {
+ this.session = processor.getSession();
+ this.undoContext = undoContext;
+ this.variable = variable;
+ this.allowedValues = allowedValues;
+ this.defaultValue = defaultValue;
+
+ initializeModifier(processor);
+ }
+
+ protected void initializeModifier(RequestProcessor processor) {
+ try {
+ processor.syncRequest(new ReadRequest() {
+ @Override
+ public void run(ReadGraph graph) throws DatabaseException {
+ initialValue = getInitialValue(graph);
+ }
+ });
+ } catch (DatabaseException e) {
+ modifierFailed = e;
+ }
+ }
+
+ protected void doModify(final String label) {
+ session.asyncRequest(new VariableWrite(variable, label, null, null),
+ new Callback<DatabaseException>() {
+ @Override
+ public void run(DatabaseException parameter) {
+ if (parameter != null)
+ ErrorLogger.defaultLogError(parameter);
+ }
+ });
+ }
+
+ protected String getInitialValue(ReadGraph graph) throws DatabaseException {
+ Object value = variable.getValue(graph);
+ return value == null ? defaultValue : value.toString();
+ }
+
+ @Override
+ public String getValue() {
+ return initialValue;
+ }
+
+ @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() {
+ return allowedValues;
+ }
+
+};
Code Review / simantics / platform.git / blobdiff