X-Git-Url: https://gerrit.simantics.org/r/gitweb?p=simantics%2Fplatform.git;a=blobdiff_plain;f=bundles%2Forg.simantics.selectionview%2Fsrc%2Forg%2Fsimantics%2Fselectionview%2FVariableColoringDecorationRule.java;fp=bundles%2Forg.simantics.selectionview%2Fsrc%2Forg%2Fsimantics%2Fselectionview%2FVariableColoringDecorationRule.java;h=d636a7f25a32e235681fc898bec9adeb15ddf97b;hp=0000000000000000000000000000000000000000;hb=969bd23cab98a79ca9101af33334000879fb60c5;hpb=866dba5cd5a3929bbeae85991796acb212338a08

diff --git a/bundles/org.simantics.selectionview/src/org/simantics/selectionview/VariableColoringDecorationRule.java b/bundles/org.simantics.selectionview/src/org/simantics/selectionview/VariableColoringDecorationRule.java
new file mode 100644
index 000000000..d636a7f25
--- /dev/null
+++ b/bundles/org.simantics.selectionview/src/org/simantics/selectionview/VariableColoringDecorationRule.java
@@ -0,0 +1,46 @@
+package org.simantics.selectionview;
+
+import org.eclipse.jface.resource.ColorDescriptor;
+import org.eclipse.swt.graphics.RGB;
+import org.simantics.browsing.ui.common.ColumnKeys;
+import org.simantics.browsing.ui.content.LabelDecorator;
+import org.simantics.browsing.ui.model.labeldecorators.LabelDecorationRule;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.layer0.variable.Variable;
+import org.simantics.db.layer0.variable.Variables;
+
+/**
+ * @author Tuukka Lehtonen
+ */
+public class VariableColoringDecorationRule implements LabelDecorationRule {
+
+	private final static ColorDescriptor READONLY_GRAY = ColorDescriptor.createFrom(new RGB(240, 240, 240));
+
+	@Override
+	public boolean isCompatible(Class<?> contentType) {
+		return contentType.equals(Variable.class);
+	}
+
+	@Override
+	public LabelDecorator getLabelDecorator(ReadGraph graph, Object content)
+			throws DatabaseException {
+		Variable variable = (Variable)content;
+		Object o = variable.getPossiblePropertyValue(graph, Variables.READONLY);
+		if (!Boolean.TRUE.equals(o))
+			return null;
+		return ReadOnlyDecorator.INSTANCE;
+	}
+
+	private static class ReadOnlyDecorator extends LabelDecorator.Stub {
+		public static ReadOnlyDecorator INSTANCE = new ReadOnlyDecorator();
+		@SuppressWarnings("unchecked")
+		@Override
+		public <C> C decorateBackground(C color, String column, int itemIndex) {
+			if (ColumnKeys.DISPLAY_VALUE.equals(column) || ColumnKeys.DISPLAY_UNIT.equals(column))
+				return (C) READONLY_GRAY;
+			return null;
+		}
+	}
+
+}