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

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