+/*******************************************************************************\r
+ * Copyright (c) 2007, 2011 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.selectionview;\r
+\r
+import java.util.List;\r
+\r
+import org.simantics.browsing.ui.content.Labeler.Modifier;\r
+import org.simantics.browsing.ui.graph.impl.EnumerationVariableModifier3;\r
+import org.simantics.browsing.ui.model.modifiers.ModifierRule;\r
+import org.simantics.browsing.ui.model.modifiers.VariableModifier2;\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.db.layer0.variable.Variable;\r
+import org.simantics.db.layer0.variable.Variables;\r
+\r
+/**\r
+ * @author Tuukka Lehtonen\r
+ */\r
+public class VariablePropertyModifierRule implements ModifierRule {\r
+\r
+ @Override\r
+ public boolean isCompatible(Class<?> contentType) {\r
+ return contentType.equals(Variable.class);\r
+ }\r
+\r
+ @Override\r
+ public Modifier getModifier(ReadGraph graph, Object _content, String columnKey_) throws DatabaseException {\r
+\r
+ if (!(_content instanceof Variable))\r
+ return null;\r
+\r
+ Variable content = (Variable)_content;\r
+\r
+ // If the whole property is considered read-only, don't allow modification.\r
+ Boolean readOnly = content.getPossiblePropertyValue(graph, Variables.READONLY);\r
+ if (Boolean.TRUE.equals(readOnly))\r
+ return null;\r
+ \r
+ String columnKey = columnKey_;\r
+ if(columnKey.startsWith("#")) columnKey = columnKey.substring(1);\r
+\r
+ // If the specified column of the property is considered read-only, don't allow modification.\r
+ Variable columnVariable = content.getPossibleProperty(graph, columnKey);\r
+ if (columnVariable != null) {\r
+ readOnly = columnVariable.getPossiblePropertyValue(graph, Variables.READONLY);\r
+ if (Boolean.TRUE.equals(readOnly))\r
+ return null;\r
+ }\r
+\r
+ for (Variable property : content.getProperties(graph)) {\r
+ String column = property.getPossiblePropertyValue(graph, Variables.DISPLAY_COLUMN);\r
+ if (column != null) {\r
+ if (columnKey.equals(column)) {\r
+ \r
+ if(columnKey_.startsWith("#"))\r
+ return new VariableModifier2(graph, property);\r
+\r
+ Modifier custom = property.getPossiblePropertyValue(graph, Variables.CUSTOM_MODIFIER);\r
+ if (custom != null) return custom;\r
+\r
+ List<String> enumeration = property.getPossiblePropertyValue(graph, Variables.ENUMERATION_VALUES);\r
+ if (enumeration != null) {\r
+ return new EnumerationVariableModifier3(graph, property, enumeration);\r
+ } else {\r
+ return new VariableModifier2(graph, property);\r
+ }\r
+\r
+ }\r
+ }\r
+ }\r
+\r
+ return null;\r
+\r
+ }\r
+\r
+}\r