bundles/org.simantics.document/src/org/simantics/document/DocumentUtils.java

   1 /*******************************************************************************\r
   2  * Copyright (c) 2012 Association for Decentralized Information Management in\r
   3  * Industry THTH ry.\r
   4  * All rights reserved. This program and the accompanying materials\r
   5  * are made available under the terms of the Eclipse Public License v1.0\r
   6  * which accompanies this distribution, and is available at\r
   7  * http://www.eclipse.org/legal/epl-v10.html\r
   8  *\r
   9  * Contributors:\r
  10  *     VTT Technical Research Centre of Finland - initial API and implementation\r
  11  *******************************************************************************/\r
  12 package org.simantics.document;\r
  13 \r
  14 import java.util.ArrayList;\r
  15 import java.util.Collection;\r
  16 import java.util.Collections;\r
  17 import java.util.List;\r
  18 \r
  19 import org.simantics.databoard.Bindings;\r
  20 import org.simantics.databoard.util.URIStringUtils;\r
  21 import org.simantics.db.ReadGraph;\r
  22 import org.simantics.db.RequestProcessor;\r
  23 import org.simantics.db.Resource;\r
  24 import org.simantics.db.Session;\r
  25 import org.simantics.db.VirtualGraph;\r
  26 import org.simantics.db.WriteGraph;\r
  27 import org.simantics.db.common.request.PossibleIndexRoot;\r
  28 import org.simantics.db.common.request.ResourceRead;\r
  29 import org.simantics.db.common.request.UniqueRead;\r
  30 import org.simantics.db.common.request.WriteResultRequest;\r
  31 import org.simantics.db.common.utils.Logger;\r
  32 import org.simantics.db.exception.DatabaseException;\r
  33 import org.simantics.db.layer0.variable.Variable;\r
  34 import org.simantics.db.layer0.variable.Variables;\r
  35 import org.simantics.document.function.WikiDocumentNodeImpl;\r
  36 import org.simantics.document.node.Composite;\r
  37 import org.simantics.layer0.Layer0;\r
  38 import org.simantics.scenegraph.loader.ScenegraphLoaderProcess;\r
  39 import org.simantics.scenegraph.loader.ScenegraphLoaderUtils;\r
  40 import org.simantics.scenegraph.loader.ScenegraphVariable;\r
  41 import org.simantics.scenegraph.ontology.ScenegraphResources;\r
  42 import org.simantics.simulation.ontology.SimulationResource;\r
  43 import org.simantics.wiki.ui.SimanticsDialect;\r
  44 \r
  45 import com.lowagie.text.Document;\r
  46 import com.lowagie.text.DocumentException;\r
  47 import com.lowagie.text.pdf.PdfWriter;\r
  48 \r
  49 public class DocumentUtils {\r
  50 \r
  51         static class DeepDocs extends ResourceRead<List<Resource>> {\r
  52 \r
  53                 protected DeepDocs(Resource resource) {\r
  54                         super(resource);\r
  55                 }\r
  56 \r
  57                 @Override\r
  58                 public List<Resource> perform(ReadGraph graph) throws DatabaseException {\r
  59 \r
  60                         DocumentResource DOC = DocumentResource.getInstance(graph);\r
  61                         Resource doc = graph.getPossibleObject(resource, DOC.HasDocument);\r
  62 \r
  63                         Layer0 L0 = Layer0.getInstance(graph);\r
  64                         Collection<Resource> children = graph.getObjects(resource, L0.ConsistsOf);\r
  65                         if(children.isEmpty()) {\r
  66                                 if(doc != null) return Collections.singletonList(resource);\r
  67                                 else return Collections.emptyList();\r
  68                         } else {\r
  69                                 ArrayList<Resource> result = new ArrayList<Resource>();\r
  70                                 if(doc != null) result.add(resource);\r
  71                                 for(Resource child : children)\r
  72                                         result.addAll(graph.syncRequest(new DeepDocs(child)));\r
  73                                 return result;\r
  74                         }\r
  75                         \r
  76                 }\r
  77          \r
  78         }\r
  79         \r
  80         public DocumentSettings getDocumentSettings(RequestProcessor processor, final Resource resource) throws DatabaseException {\r
  81 \r
  82                 return processor.syncRequest(new ResourceRead<DocumentSettings>(resource) {\r
  83 \r
  84                         @Override\r
  85                         public DocumentSettings perform(ReadGraph graph) throws DatabaseException {\r
  86 \r
  87                                 Resource indexRoot = graph.syncRequest(new PossibleIndexRoot(resource));\r
  88                                 if(indexRoot == null) return DocumentSettings.DEFAULT;\r
  89                                 \r
  90                                 DocumentResource DOC = DocumentResource.getInstance(graph);\r
  91                                 DocumentSettings result = graph.getPossibleRelatedValue(indexRoot, DOC.documentSettings, DocumentSettings.BINDING);\r
  92                                 if(result == null) return DocumentSettings.DEFAULT;\r
  93                                 return result;\r
  94                                 \r
  95                         }\r
  96                         \r
  97                 });\r
  98 \r
  99         }\r
 100 \r
 101         public void getDocumentCSSText(RequestProcessor processor, final Resource resource, final StringBuilder css) throws DatabaseException {\r
 102 \r
 103                 css.append(processor.sync(new ResourceRead<String>(resource) {\r
 104 \r
 105                         @Override\r
 106                         public String perform(ReadGraph graph) throws DatabaseException {\r
 107 \r
 108                                 Resource indexRoot = graph.syncRequest(new PossibleIndexRoot(resource));\r
 109                                 if(indexRoot == null) return "";\r
 110                                 \r
 111                                 DocumentResource DOC = DocumentResource.getInstance(graph);\r
 112                                 String css = graph.getPossibleRelatedValue(indexRoot, DOC.cssDocument, Bindings.STRING);\r
 113                                 if(css == null) return "";\r
 114                                 \r
 115                                 return css;\r
 116                                 \r
 117                         }\r
 118                         \r
 119                 }));\r
 120 \r
 121         }\r
 122 \r
 123         public void getDocumentWikiTextRecursive(Session session, final Resource resource, final StringBuilder wiki, final StringBuilder css) throws DatabaseException {\r
 124 \r
 125                 List<Resource> rs = session.sync(new DeepDocs(resource));\r
 126                 for(Resource r : rs) {\r
 127                         getDocumentWikiText(session, r, wiki);\r
 128                 }\r
 129                 \r
 130                 getDocumentCSSText(session, resource, css);\r
 131                 \r
 132         }\r
 133 \r
 134         public void getDocumentWikiText(Session session, final Resource resource, final StringBuilder b) {\r
 135                 \r
 136                 try {\r
 137 \r
 138                         final ScenegraphLoaderProcess loader = new ScenegraphLoaderProcess(new Composite(), "CreatePDFAction");\r
 139                         \r
 140                         final Variable context = session.sync(new WriteResultRequest<Variable>(session.getService(VirtualGraph.class)) {\r
 141 \r
 142                                 @Override\r
 143                                 public Variable perform(WriteGraph graph) throws DatabaseException {\r
 144 \r
 145                                         DocumentResource DOC = DocumentResource.getInstance(graph);\r
 146                                         Resource doc = graph.getPossibleObject(resource, DOC.HasDocument);\r
 147                                         if(doc == null) return null;\r
 148 \r
 149                                         Layer0 L0 = Layer0.getInstance(graph);\r
 150                                         ScenegraphResources SG = ScenegraphResources.getInstance(graph);\r
 151                                         Resource runtime = graph.newResource();\r
 152                                         graph.claim(runtime, L0.InstanceOf, null, SG.Runtime);\r
 153                                         Variable base = Variables.getVariable(graph, resource);\r
 154 \r
 155                                         String uri = base.getURI(graph);\r
 156                                         graph.claimLiteral(runtime, SG.Runtime_HasVariable, uri, Bindings.STRING);\r
 157 \r
 158                                         return new ScenegraphVariable(base, doc, runtime, loader.getRoot());\r
 159 \r
 160                                 }\r
 161 \r
 162                         });\r
 163                         \r
 164                         if(context == null) return;\r
 165 \r
 166                         String wiki = session.sync(new UniqueRead<String>() {\r
 167 \r
 168                                 @Override\r
 169                                 public String perform(ReadGraph graph) throws DatabaseException {\r
 170 \r
 171                                         DocumentResource DOC = DocumentResource.getInstance(graph);\r
 172                                         Resource doc = graph.getSingleObject(resource, DOC.HasDocumentation);\r
 173                                         Resource scenegraph = graph.getSingleObject(doc, DOC.ScenegraphDocument_scenegraph);\r
 174                                         \r
 175                                         WikiDocumentNodeImpl node = loader.load(graph, scenegraph, ScenegraphLoaderUtils.getRuntime(graph, context));\r
 176 \r
 177                                         StringBuilder b = new StringBuilder();\r
 178                                         node.create(b, true);\r
 179                                         \r
 180                                         String text = b.toString();\r
 181                                         \r
 182                                         return SimanticsDialect.INSTANCE.apply(graph, Variables.getVariable(graph, resource), text);\r
 183                                         \r
 184                                 }\r
 185 \r
 186                         });\r
 187                         \r
 188                         loader.dispose();\r
 189 \r
 190                         b.append(wiki);\r
 191                         \r
 192                 } catch (DatabaseException e) {\r
 193                         e.printStackTrace();\r
 194                 }\r
 195         }       \r
 196 \r
 197         public void print(RequestProcessor processor, Resource res, String wiki, String css, DocumentSettings settings, final PdfWriter writer, final Document document) throws DocumentException {\r
 198                 try {\r
 199                         Exportable exp = processor.syncRequest(new UniqueRead<Exportable>() {\r
 200 \r
 201                                 @Override\r
 202                                 public Exportable perform(ReadGraph graph) throws DatabaseException {\r
 203                                         return new Exportable(graph, res, wiki, css, settings, true);\r
 204                                 }\r
 205                                 \r
 206                         });\r
 207                         exp.export(document, writer);\r
 208                 } catch (DocumentException e) {\r
 209                         Logger.defaultLogError(e);\r
 210                 } catch (DatabaseException e) {\r
 211                         Logger.defaultLogError(e);\r
 212                 }\r
 213         }\r
 214 \r
 215     public static String indexRootPath(ReadGraph graph, Variable selection) throws DatabaseException {\r
 216         \r
 217         Variable possibleConfiguration = Variables.getPossibleConfigurationVariable(graph, selection);\r
 218         if(possibleConfiguration != null) selection = possibleConfiguration;\r
 219         \r
 220         Resource indexRoot = graph.syncRequest(new PossibleIndexRoot(selection.getRepresents(graph)));\r
 221         if(indexRoot == null) return "";\r
 222 \r
 223         String selectionURI = selection.getParent(graph).getURI(graph);\r
 224 \r
 225         SimulationResource SIMU = SimulationResource.getInstance(graph);\r
 226         Resource configuration = graph.getPossibleObject(indexRoot, SIMU.HasConfiguration);\r
 227         if(configuration != null) {\r
 228                 String configurationURI = graph.getURI(configuration);\r
 229                 if(selectionURI.startsWith(configurationURI)) {\r
 230                         if(selectionURI.equals(configurationURI)) return "Configuration / ";\r
 231                         return URIStringUtils.unescape(selectionURI.substring(configurationURI.length() + 1).replace("/", " / ") + " / ");\r
 232                 }\r
 233         }\r
 234         \r
 235         String rootURI = graph.getURI(indexRoot);\r
 236         String result = selectionURI.replace(rootURI, "");\r
 237         if(result.isEmpty()) result = "/";\r
 238         \r
 239         return URIStringUtils.unescape(result);\r
 240         \r
 241     }\r
 242         \r
 243 }\r