bundles/org.simantics.views.swt.client/src/org/simantics/views/swt/client/impl/SWTWikiBrowser.java

   1 package org.simantics.views.swt.client.impl;
   2
   3 import java.io.IOException;
   4
   5 import org.eclipse.jface.layout.GridDataFactory;
   6 import org.eclipse.jface.layout.GridLayoutFactory;
   7 import org.eclipse.mylyn.wikitext.core.parser.MarkupParser;
   8 import org.eclipse.swt.browser.Browser;
   9 import org.eclipse.swt.widgets.Composite;
  10 import org.simantics.Simantics;
  11 import org.simantics.browsing.ui.common.ErrorLogger;
  12 import org.simantics.db.ReadGraph;
  13 import org.simantics.db.exception.DatabaseException;
  14 import org.simantics.db.layer0.variable.Variable;
  15 import org.simantics.db.request.Read;
  16 import org.simantics.scl.runtime.function.Function1;
  17 import org.simantics.utils.FileUtils;
  18 import org.simantics.utils.datastructures.map.Tuple;
  19 import org.simantics.utils.ui.BundleUtils;
  20 import org.simantics.views.swt.client.base.SingleSWTViewNode;
  21 import org.simantics.wiki.ui.SimanticsDialect;
  22 import org.simantics.wiki.ui.language.MediaWikiLanguage;
  23
  24 public class SWTWikiBrowser extends SingleSWTViewNode<Browser> {
  25
  26         private static final long serialVersionUID = 5826022972081217837L;
  27
  28         public String                   document;
  29         public Variable                 variable;
  30         public Function1<String, Boolean> navigate;
  31         public Variable                                 edited;
  32
  33         private Tuple                    lastAppliedParametrization;
  34
  35         @Override
  36         public void reset() {
  37                 super.reset();
  38                 lastAppliedParametrization = null;
  39         }
  40
  41         @Override
  42         public void createControls(Composite parent) {
  43
  44                 GridDataFactory.fillDefaults().grab(true, true).applyTo(parent);
  45                 GridLayoutFactory.fillDefaults().applyTo(parent);
  46
  47                 control = new Browser(parent, style);
  48                 GridDataFactory.fillDefaults().grab(true, true).applyTo(control);
  49
  50                 setProperties();
  51
  52         }
  53
  54         public void synchronizeVariable(Variable variable) {
  55
  56         }
  57
  58         public void synchronizeEdited(Variable edited) {
  59                 propertyCallback.apply("edited", edited);
  60         }
  61
  62         public void synchronizeDocument(final String document) {
  63
  64                 if(document != null) {
  65
  66                         final Variable variable = SWTWikiBrowser.this.variable;
  67                         if (variable == null) {
  68                                 return;
  69                         }
  70
  71                         Tuple checkParam = new Tuple(document, variable);
  72                         if (checkParam.equals(lastAppliedParametrization))
  73                                 return;
  74
  75                         lastAppliedParametrization = checkParam;
  76
  77                         try {
  78
  79                                 String markup = Simantics.getSession().syncRequest(new Read<String>() {
  80                                         @Override
  81                                         public String perform(ReadGraph graph) throws DatabaseException {
  82                                                 return SimanticsDialect.INSTANCE.apply(graph, variable, document);
  83                                         }
  84                                 });
  85
  86                                 MarkupParser markupParser = new MarkupParser();
  87                                 MediaWikiLanguage language = new MediaWikiLanguage();
  88                                 markupParser.setMarkupLanguage(language);
  89                                 String htmlContent = markupParser.parseToHtml(markup);
  90                                 if (htmlContent == null)
  91                                         return;
  92
  93                                 final Browser control = this.control;
  94                                 if (control == null)
  95                                         return;
  96                                 control.setText(htmlContent);
  97
  98                         } catch (DatabaseException e) {
  99                                 ErrorLogger.defaultLogError(e);
 100                         }
 101
 102                 }
 103         }
 104
 105 }