Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.selectionview / src / org / simantics / selectionview / VariablePropertyModifierRule.java

diff --git a/bundles/org.simantics.selectionview/src/org/simantics/selectionview/VariablePropertyModifierRule.java b/bundles/org.simantics.selectionview/src/org/simantics/selectionview/VariablePropertyModifierRule.java
new file mode 100644 (file)
index 0000000..45455f5
--- /dev/null
+++ b/bundles/org.simantics.selectionview/src/org/simantics/selectionview/VariablePropertyModifierRule.java
@@ -0,0 +1,85 @@
+/*******************************************************************************\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