bundles/org.simantics.document.swt.core/src/org/simantics/document/swt/core/scl/SCL.java

   1 package org.simantics.document.swt.core.scl;\r
   2 \r
   3 import java.util.List;\r
   4 \r
   5 import org.simantics.databoard.Bindings;\r
   6 import org.simantics.db.ReadGraph;\r
   7 import org.simantics.db.Resource;\r
   8 import org.simantics.db.WriteGraph;\r
   9 import org.simantics.db.common.request.WriteRequest;\r
  10 import org.simantics.db.exception.DatabaseException;\r
  11 import org.simantics.db.layer0.variable.Variable;\r
  12 import org.simantics.db.layer0.variable.Variables;\r
  13 import org.simantics.document.server.handler.AbstractEventHandler;\r
  14 import org.simantics.document.server.handler.EventHandler;\r
  15 import org.simantics.document.server.handler.WriteEventHandler;\r
  16 import org.simantics.document.server.io.CommandContext;\r
  17 import org.simantics.document.server.io.CommandResult;\r
  18 import org.simantics.document.server.serverResponse.ServerResponse;\r
  19 import org.simantics.document.swt.core.SWTViews;\r
  20 import org.simantics.scl.runtime.SCLContext;\r
  21 import org.simantics.scl.runtime.function.Function1;\r
  22 import org.simantics.scl.runtime.reporting.SCLReportingHandler;\r
  23 import org.simantics.scl.runtime.tuple.Tuple0;\r
  24 import org.simantics.ui.selection.WorkbenchSelectionElement;\r
  25 import org.simantics.ui.selection.WorkbenchSelectionUtils;\r
  26 \r
  27 public class SCL {\r
  28     \r
  29     public static final String SCL_VALUE_PROPERTY = "sclValueProperty";\r
  30     \r
  31     public static EventHandler eventHandler(final Function1<Object, Object> fn) {\r
  32         return new EventHandler() {\r
  33                         \r
  34                         @Override\r
  35                         protected ServerResponse handle(ReadGraph graph, CommandContext parameters) throws DatabaseException {\r
  36 \r
  37                             final SCLReportingHandler printer = (SCLReportingHandler)SCLContext.getCurrent().get(SCLReportingHandler.REPORTING_HANDLER); \r
  38                                 graph.async(new WriteRequest() {\r
  39                                         \r
  40                                         @Override\r
  41                                         public void perform(WriteGraph graph) throws DatabaseException {\r
  42                                             SCLContext sclContext = SCLContext.getCurrent();\r
  43                                             Object oldPrinter = sclContext.put(SCLReportingHandler.REPORTING_HANDLER, printer);\r
  44                                                 Object oldGraph = sclContext.put("graph", graph);\r
  45                                                 fn.apply(Tuple0.INSTANCE);\r
  46                                                 sclContext.put(SCLReportingHandler.REPORTING_HANDLER, oldPrinter);\r
  47                                                 sclContext.put("graph", oldGraph);\r
  48                                         }\r
  49                                         \r
  50                                 });\r
  51                                 \r
  52                                 return null;\r
  53                                 \r
  54                         }\r
  55                         \r
  56                 };\r
  57     }\r
  58     \r
  59     public static String getURI(ReadGraph graph, Variable variable) throws DatabaseException {\r
  60         return variable.getURI(graph);\r
  61     }\r
  62     \r
  63     public static String propertyDisplayValue(ReadGraph graph, Variable variable, String property) throws DatabaseException {\r
  64         Variable var = variable.getProperty(graph, property);\r
  65         Variable var2 = var.getProperty(graph, Variables.DISPLAY_VALUE);\r
  66         return var2.getValue(graph);\r
  67     }\r
  68     \r
  69     public static AbstractEventHandler propertyValueSetter(ReadGraph graph, Variable variable, String property) throws DatabaseException {\r
  70         String uri = variable.getURI(graph);\r
  71         return new ValueSetter(uri, property);\r
  72     }\r
  73     \r
  74     public static String propertyGetter(ReadGraph graph, Variable variable) throws DatabaseException {\r
  75         String value = variable.getPossiblePropertyValue(graph, SCL_VALUE_PROPERTY);\r
  76         return value;\r
  77     }\r
  78     \r
  79     static class ValueSetter extends WriteEventHandler {\r
  80         \r
  81         private String varUri;\r
  82         private String property;\r
  83         \r
  84         public ValueSetter(String varUri, String property) {\r
  85             this.varUri = varUri;\r
  86             this.property = property;\r
  87         }\r
  88         \r
  89         @Override\r
  90         protected CommandResult handle(WriteGraph graph, CommandContext parameters) throws DatabaseException {\r
  91             Variable variable = Variables.getVariable(graph, varUri);\r
  92             Variable var = variable.getPossibleProperty(graph, property);\r
  93             Variable var2 = var.getPossibleProperty(graph, Variables.DISPLAY_VALUE);\r
  94             var2.setValue(graph, parameters.getString("text"), Bindings.STRING);\r
  95             return null;\r
  96         }\r
  97     };\r
  98 \r
  99     @SuppressWarnings("unchecked")\r
 100     public static List<WorkbenchSelectionElement> decodeWSES(String key) {\r
 101         return (List<WorkbenchSelectionElement>)SWTViews.decode(key);\r
 102     }\r
 103     \r
 104     public static Resource wseResource(ReadGraph graph, WorkbenchSelectionElement wse) throws DatabaseException {\r
 105         return WorkbenchSelectionUtils.getPossibleResource(wse);\r
 106     }\r
 107 \r
 108 }\r