bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/componentTypeEditor/ProceduralComponentTypeCodeDocumentProvider.java

   1 package org.simantics.modeling.ui.componentTypeEditor;
   2
   3 import java.io.PrintWriter;
   4 import java.io.StringWriter;
   5 import java.util.Arrays;
   6 import java.util.Collections;
   7
   8 import org.eclipse.core.runtime.CoreException;
   9 import org.eclipse.core.runtime.IProgressMonitor;
  10 import org.eclipse.core.runtime.IStatus;
  11 import org.eclipse.core.runtime.Status;
  12 import org.eclipse.jface.text.Document;
  13 import org.eclipse.jface.text.IDocument;
  14 import org.eclipse.swt.widgets.Display;
  15 import org.simantics.Simantics;
  16 import org.simantics.databoard.Bindings;
  17 import org.simantics.db.ReadGraph;
  18 import org.simantics.db.Resource;
  19 import org.simantics.db.WriteGraph;
  20 import org.simantics.db.common.request.ResourceRead;
  21 import org.simantics.db.common.request.UniqueRead;
  22 import org.simantics.db.common.request.WriteRequest;
  23 import org.simantics.db.exception.DatabaseException;
  24 import org.simantics.db.layer0.scl.SCLDatabaseException;
  25 import org.simantics.db.procedure.Listener;
  26 import org.simantics.layer0.Layer0;
  27 import org.simantics.modeling.ui.Activator;
  28 import org.simantics.modeling.userComponent.ComponentTypeCommands;
  29 import org.simantics.scl.compiler.errors.CompilationError;
  30 import org.simantics.scl.ui.editor.SCLSourceViewerConfigurationNew;
  31 import org.simantics.scl.ui.editor.TextAndErrors;
  32 import org.simantics.structural2.scl.procedural.CompileProceduralComponentTypeRequest;
  33 import org.simantics.structural2.scl.procedural.ProceduralComponentTypeCompilationException;
  34 import org.simantics.ui.workbench.ResourceEditorInput;
  35 import org.simantics.utils.logging.TimeLogger;
  36 import org.simantics.utils.ui.SWTUtils;
  37
  38 public class ProceduralComponentTypeCodeDocumentProvider extends SCLModuleEditorDocumentProvider {
  39
  40     Display display;
  41     ProceduralComponentTypeCodeEditor editor;
  42
  43     public ProceduralComponentTypeCodeDocumentProvider(SCLSourceViewerConfigurationNew sourceViever, Display display, ProceduralComponentTypeCodeEditor editor) {
  44         super(sourceViever);
  45         this.display = display;
  46         this.editor = editor;
  47     }
  48
  49     @Override
  50     protected IDocument createDocument(Object element) throws CoreException {
  51         ResourceEditorInput input = (ResourceEditorInput)element;
  52         resource = input.getResource();
  53         try {
  54             return Simantics.getSession().syncRequest(new UniqueRead<Document>() {
  55                 @Override
  56                 public Document perform(ReadGraph graph) throws DatabaseException {
  57                     currentText = graph.getValue(resource, Bindings.STRING);
  58                     errorHappened = false;
  59                     return new Document(currentText != null ? currentText : ""); //$NON-NLS-1$
  60                 }
  61             });
  62         } catch (DatabaseException e) {
  63             StringWriter sw = new StringWriter();
  64             PrintWriter pw = new PrintWriter(sw);
  65             e.printStackTrace(pw);
  66             errorHappened = true;
  67             return new Document(sw.toString());
  68         }
  69     }
  70
  71     protected void updateAnnotations() {
  72         Simantics.getSession().asyncRequest(new ResourceRead<TextAndErrors>(resource) {
  73             @Override
  74             public TextAndErrors perform(ReadGraph graph) throws DatabaseException {
  75                 Layer0 L0 = Layer0.getInstance(graph);
  76                 String text = graph.getValue(resource, Bindings.STRING);
  77                 Resource componentType = graph.getPossibleObject(resource, L0.PropertyOf);
  78                 CompilationError[] errors = CompilationError.EMPTY_ARRAY;
  79                 if (componentType != null) {
  80                     try {
  81                         graph.syncRequest(new CompileProceduralComponentTypeRequest(componentType));
  82                     } catch (SCLDatabaseException e) {
  83                         // Can't compile effectively empty code
  84                         errors = e.compilationErrors;
  85                     } catch (ProceduralComponentTypeCompilationException e) {
  86                         // TODO: this exception is not thrown anywhere. Remove it?
  87                         errors = e.errors;
  88                     }
  89                 }
  90                 return new TextAndErrors(text, errors);
  91             }
  92         }, new Listener<TextAndErrors>() {
  93             @Override
  94             public void execute(final TextAndErrors textAndErrors) {
  95                 if (editor.isDisposed())
  96                     return;
  97                 SWTUtils.asyncExec(display, new Runnable() {
  98                     @Override
  99                     public void run() {
 100                         if (editor.isDisposed())
 101                             return;
 102                         if(textAndErrors.errors.length > 0) {
 103                             setAnnotations(Arrays.asList(textAndErrors.errors));
 104                         } else {
 105                             setAnnotations(Collections.<CompilationError>emptyList());
 106                         }
 107                     }
 108                 });
 109             }
 110
 111             @Override
 112             public void exception(Throwable t) {
 113                 Activator.getDefault().getLog().log(
 114                         new Status(IStatus.ERROR, Activator.PLUGIN_ID, Messages.ProceduralComponentTypeCodeDocumentProvider_ActivatorInternalErrorMsg, t));
 115             }
 116
 117             @Override
 118             public boolean isDisposed() {
 119                 return editor.isDisposed();
 120             }
 121         });
 122     }
 123
 124     @Override
 125     protected void doSaveDocument(IProgressMonitor monitor, Object element,
 126             IDocument document, boolean overwrite) throws CoreException {
 127         TimeLogger.resetTimeAndLog(getClass(), "doSaveDocument"); //$NON-NLS-1$
 128         currentText = document.get();
 129         Simantics.getSession().asyncRequest(new WriteRequest() {
 130             @Override
 131             public void perform(WriteGraph graph) throws DatabaseException {
 132                 graph.markUndoPoint();
 133                 ComponentTypeCommands.saveProceduralCode(graph, resource, currentText);
 134             }
 135         });
 136     }
 137
 138 }