Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.diagram / src / org / simantics / diagram / query / DiagramDescRead.java

diff --git a/bundles/org.simantics.diagram/src/org/simantics/diagram/query/DiagramDescRead.java b/bundles/org.simantics.diagram/src/org/simantics/diagram/query/DiagramDescRead.java
new file mode 100644 (file)
index 0000000..93a7932
--- /dev/null
+++ b/bundles/org.simantics.diagram/src/org/simantics/diagram/query/DiagramDescRead.java
@@ -0,0 +1,51 @@
+/*******************************************************************************\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.diagram.query;\r
+\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.common.request.ResourceRead;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.diagram.stubs.DiagramResource;\r
+import org.simantics.diagram.synchronization.graph.DiagramGraphUtil;\r
+import org.simantics.g2d.page.DiagramDesc;\r
+import org.simantics.utils.page.PageDesc;\r
+\r
+/**\r
+ * Reads diagram page configuration.\r
+ * \r
+ * @author Marko Luukkainen <marko.luukkainen@vtt.fi>\r
+ */\r
+public class DiagramDescRead extends ResourceRead<DiagramDesc> {\r
+\r
+    public DiagramDescRead(Resource diagramResource) {\r
+        super(diagramResource);\r
+    }\r
+\r
+    @Override\r
+    public DiagramDesc perform(ReadGraph graph) throws DatabaseException {\r
+        PageDesc pdesc = DiagramGraphUtil.getPageDesc(graph, resource, null);\r
+        if (pdesc == null)\r
+            return null;\r
+\r
+        double gridSize = DiagramGraphUtil.getGridSize(graph, resource, 1.0);\r
+        boolean pageBordersVisible = DiagramGraphUtil.isPageBordersVisible(graph, resource);\r
+        boolean marginsVisible = DiagramGraphUtil.isMarginsVisible(graph, resource);\r
+\r
+        DiagramResource DIA = DiagramResource.getInstance(graph);\r
+        boolean displayGrid = DiagramGraphUtil.getDiagramTagPreference(graph, resource, DIA.DisplayGrid);\r
+        boolean displayRuler = DiagramGraphUtil.getDiagramTagPreference(graph, resource, DIA.DisplayRuler);\r
+\r
+        return new DiagramDesc(pdesc, gridSize, pageBordersVisible, marginsVisible, displayGrid, displayRuler);\r
+    }\r
+\r
+}\r