X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;ds=inline;f=bundles%2Forg.simantics.spreadsheet.graph%2Fsrc%2Forg%2Fsimantics%2Fspreadsheet%2Fgraph%2FLines.java;fp=bundles%2Forg.simantics.spreadsheet.graph%2Fsrc%2Forg%2Fsimantics%2Fspreadsheet%2Fgraph%2FLines.java;h=6c8018697e64d4182b0bc8a19a46f95d15c05509;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.spreadsheet.graph/src/org/simantics/spreadsheet/graph/Lines.java b/bundles/org.simantics.spreadsheet.graph/src/org/simantics/spreadsheet/graph/Lines.java
new file mode 100644
index 000000000..6c8018697
--- /dev/null
+++ b/bundles/org.simantics.spreadsheet.graph/src/org/simantics/spreadsheet/graph/Lines.java
@@ -0,0 +1,47 @@
+/*******************************************************************************
+ * 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.spreadsheet.graph;
+
+import java.util.ArrayList;
+import java.util.Collection;
+
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.common.request.UnaryRead;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.layer0.variable.Variable;
+import org.simantics.spreadsheet.resource.SpreadsheetResource;
+
+public class Lines extends UnaryRead<Variable, Collection<Variable>> {
+
+    public Lines(Variable variable) {
+        super(variable);
+    }
+
+    @Override
+    public Collection<Variable> perform(ReadGraph graph) throws DatabaseException {
+    	SpreadsheetResource SHEET = SpreadsheetResource.getInstance(graph);
+    	ArrayList<Variable> result = new ArrayList<Variable>();
+    	for(Variable child : parameter.getChildren(graph)) {
+    		Resource type = child.getPossibleType(graph);
+    		if(type != null) {
+	    		if(graph.isInheritedFrom(type, SHEET.Line)) {
+	    			result.add(child);
+	    		} else if(graph.isInheritedFrom(type, SHEET.Lines)) {
+	    			result.addAll(graph.syncRequest(new Lines(child)));
+	    		}
+    		}
+    	}
+    	return result;
+    }
+
+}