1 /*******************************************************************************
2 * Copyright (c) 2007, 2010 Association for Decentralized Information Management
4 * All rights reserved. This program and the accompanying materials
5 * are made available under the terms of the Eclipse Public License v1.0
6 * which accompanies this distribution, and is available at
7 * http://www.eclipse.org/legal/epl-v10.html
10 * VTT Technical Research Centre of Finland - initial API and implementation
11 *******************************************************************************/
12 package org.simantics.diagram.query;
14 import org.simantics.db.ReadGraph;
15 import org.simantics.db.Resource;
16 import org.simantics.db.common.request.ResourceRead;
17 import org.simantics.db.exception.DatabaseException;
18 import org.simantics.diagram.stubs.DiagramResource;
19 import org.simantics.diagram.synchronization.graph.DiagramGraphUtil;
20 import org.simantics.g2d.page.DiagramDesc;
21 import org.simantics.utils.page.PageDesc;
24 * Reads diagram page configuration.
26 * @author Marko Luukkainen <marko.luukkainen@vtt.fi>
28 public class DiagramDescRead extends ResourceRead<DiagramDesc> {
30 public DiagramDescRead(Resource diagramResource) {
31 super(diagramResource);
35 public DiagramDesc perform(ReadGraph graph) throws DatabaseException {
36 PageDesc pdesc = DiagramGraphUtil.getPageDesc(graph, resource, null);
40 double gridSize = DiagramGraphUtil.getGridSize(graph, resource, 1.0);
41 boolean pageBordersVisible = DiagramGraphUtil.isPageBordersVisible(graph, resource);
42 boolean marginsVisible = DiagramGraphUtil.isMarginsVisible(graph, resource);
44 DiagramResource DIA = DiagramResource.getInstance(graph);
45 boolean displayGrid = DiagramGraphUtil.getDiagramTagPreference(graph, resource, DIA.DisplayGrid);
46 boolean displayRuler = DiagramGraphUtil.getDiagramTagPreference(graph, resource, DIA.DisplayRuler);
48 return new DiagramDesc(pdesc, gridSize, pageBordersVisible, marginsVisible, displayGrid, displayRuler);