X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.diagram%2Fsrc%2Forg%2Fsimantics%2Fdiagram%2Fquery%2FDiagramDescRead.java;fp=bundles%2Forg.simantics.diagram%2Fsrc%2Forg%2Fsimantics%2Fdiagram%2Fquery%2FDiagramDescRead.java;h=93a793214f3042c410479e60ae98bb75dcc7ccb9;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git

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
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+/*******************************************************************************
+ * 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.diagram.query;
+
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.common.request.ResourceRead;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.diagram.stubs.DiagramResource;
+import org.simantics.diagram.synchronization.graph.DiagramGraphUtil;
+import org.simantics.g2d.page.DiagramDesc;
+import org.simantics.utils.page.PageDesc;
+
+/**
+ * Reads diagram page configuration.
+ * 
+ * @author Marko Luukkainen <marko.luukkainen@vtt.fi>
+ */
+public class DiagramDescRead extends ResourceRead<DiagramDesc> {
+
+    public DiagramDescRead(Resource diagramResource) {
+        super(diagramResource);
+    }
+
+    @Override
+    public DiagramDesc perform(ReadGraph graph) throws DatabaseException {
+        PageDesc pdesc = DiagramGraphUtil.getPageDesc(graph, resource, null);
+        if (pdesc == null)
+            return null;
+
+        double gridSize = DiagramGraphUtil.getGridSize(graph, resource, 1.0);
+        boolean pageBordersVisible = DiagramGraphUtil.isPageBordersVisible(graph, resource);
+        boolean marginsVisible = DiagramGraphUtil.isMarginsVisible(graph, resource);
+
+        DiagramResource DIA = DiagramResource.getInstance(graph);
+        boolean displayGrid = DiagramGraphUtil.getDiagramTagPreference(graph, resource, DIA.DisplayGrid);
+        boolean displayRuler = DiagramGraphUtil.getDiagramTagPreference(graph, resource, DIA.DisplayRuler);
+
+        return new DiagramDesc(pdesc, gridSize, pageBordersVisible, marginsVisible, displayGrid, displayRuler);
+    }
+
+}