bundles/org.simantics.modeling/src/org/simantics/modeling/typicals/rules/PageSettingsTypicalRule.java

   1 package org.simantics.modeling.typicals.rules;
   2
   3 import org.simantics.db.Resource;
   4 import org.simantics.db.WriteGraph;
   5 import org.simantics.db.exception.DatabaseException;
   6 import org.simantics.diagram.query.DiagramRequests;
   7 import org.simantics.diagram.synchronization.graph.DiagramGraphUtil;
   8 import org.simantics.g2d.page.DiagramDesc;
   9 import org.simantics.modeling.typicals.ITypicalSynchronizationRule;
  10 import org.simantics.modeling.typicals.TypicalInfo;
  11
  12 /**
  13  * @author Tuukka Lehtonen
  14  * @since 1.22.2, 1.25.0
  15  */
  16 public enum PageSettingsTypicalRule implements ITypicalSynchronizationRule {
  17
  18         INSTANCE;
  19
  20         public static PageSettingsTypicalRule get() {
  21                 return INSTANCE;
  22         }
  23
  24         @Override
  25         public boolean synchronize(WriteGraph graph, Resource template, Resource instance, TypicalInfo info) throws DatabaseException {
  26                 // Diagrams should always have some sort of diagram description.
  27                 // If the template doesn't have one, the existing description
  28                 // from the instance shall not be removed.
  29                 DiagramDesc mdesc = graph.syncRequest(DiagramRequests.getDiagramDesc(template));
  30                 if (mdesc == null) {
  31                         info.messageLog.add("\t\ttemplate doesn't have any diagram page settings, doing nothing");
  32                         return false;
  33                 }
  34                 DiagramDesc idesc = graph.syncRequest(DiagramRequests.getDiagramDesc(instance));
  35                 if (mdesc.equals(idesc))
  36                         return false;
  37
  38                 DiagramGraphUtil.setDiagramDesc(graph, instance, mdesc);
  39                 info.messageLog.add("\t\tset diagram page settings:"
  40                                 + "\n\t\t\tshow page borders: " + mdesc.isPageBordersVisible()
  41                                 + "\n\t\t\tshow margins:      " + mdesc.isMarginsVisible()
  42                                 + "\n\t\t\tgrid size:         " + mdesc.getGridSize()
  43                                 + "\n\t\t\tpage settings:     " + mdesc.getPageDesc()
  44                                 + "\n");
  45                 return true;
  46         }
  47
  48 }