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