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.structural2.utils.StructuralUtils;
  35 import org.simantics.ui.workbench.ResourceEditorInput;
  36 import org.simantics.utils.logging.TimeLogger;
  37 import org.simantics.utils.ui.SWTUtils;
  38
  39 public class ProceduralComponentTypeCodeDocumentProvider extends SCLModuleEditorDocumentProvider {
  40
  41     Display display;
  42     ProceduralComponentTypeCodeEditor editor;
  43
  44     public ProceduralComponentTypeCodeDocumentProvider(SCLSourceViewerConfigurationNew sourceViever, Display display, ProceduralComponentTypeCodeEditor editor) {
  45         super(sourceViever);
  46         this.display = display;
  47         this.editor = editor;
  48     }
  49
  50     @Override
  51     protected IDocument createDocument(Object element) throws CoreException {
  52         ResourceEditorInput input = (ResourceEditorInput)element;
  53         resource = input.getResource();
  54         try {
  55             return Simantics.getSession().syncRequest(new UniqueRead<Document>() {
  56                 @Override
  57                 public Document perform(ReadGraph graph) throws DatabaseException {
  58                     currentText = graph.getValue(resource, Bindings.STRING);
  59                     immutable = StructuralUtils.isImmutable(graph, resource);
  60                     errorHappened = false;
  61                     return new Document(currentText != null ? currentText : ""); //$NON-NLS-1$
  62                 }
  63             });
  64         } catch (DatabaseException e) {
  65             StringWriter sw = new StringWriter();
  66             PrintWriter pw = new PrintWriter(sw);
  67             e.printStackTrace(pw);
  68             errorHappened = true;
  69             return new Document(sw.toString());
  70         }
  71     }
  72
  73     protected void updateAnnotations() {
  74         Simantics.getSession().asyncRequest(new ResourceRead<TextAndErrors>(resource) {
  75             @Override
  76             public TextAndErrors perform(ReadGraph graph) throws DatabaseException {
  77                 Layer0 L0 = Layer0.getInstance(graph);
  78                 String text = graph.getValue(resource, Bindings.STRING);
  79                 Resource componentType = graph.getPossibleObject(resource, L0.PropertyOf);
  80                 CompilationError[] errors = CompilationError.EMPTY_ARRAY;
  81                 if (componentType != null) {
  82                     try {
  83                         graph.syncRequest(new CompileProceduralComponentTypeRequest(componentType));
  84                     } catch (SCLDatabaseException e) {
  85                         // Can't compile effectively empty code
  86                         errors = e.compilationErrors;
  87                     } catch (ProceduralComponentTypeCompilationException e) {
  88                         // TODO: this exception is not thrown anywhere. Remove it?
  89                         errors = e.errors;
  90                     }
  91                 }
  92                 return new TextAndErrors(text, errors);
  93             }
  94         }, new Listener<TextAndErrors>() {
  95             @Override
  96             public void execute(final TextAndErrors textAndErrors) {
  97                 if (editor.isDisposed())
  98                     return;
  99                 SWTUtils.asyncExec(display, new Runnable() {
 100                     @Override
 101                     public void run() {
 102                         if (editor.isDisposed())
 103                             return;
 104                         if(textAndErrors.errors.length > 0) {
 105                             setAnnotations(Arrays.asList(textAndErrors.errors));
 106                         } else {
 107                             setAnnotations(Collections.<CompilationError>emptyList());
 108                         }
 109                     }
 110                 });
 111             }
 112
 113             @Override
 114             public void exception(Throwable t) {
 115                 Activator.getDefault().getLog().log(
 116                         new Status(IStatus.ERROR, Activator.PLUGIN_ID, Messages.ProceduralComponentTypeCodeDocumentProvider_ActivatorInternalErrorMsg, t));
 117             }
 118
 119             @Override
 120             public boolean isDisposed() {
 121                 return editor.isDisposed();
 122             }
 123         });
 124     }
 125
 126     @Override
 127     protected void doSaveDocument(IProgressMonitor monitor, Object element,
 128             IDocument document, boolean overwrite) throws CoreException {
 129         TimeLogger.resetTimeAndLog(getClass(), "doSaveDocument"); //$NON-NLS-1$
 130         currentText = document.get();
 131         Simantics.getSession().asyncRequest(new WriteRequest() {
 132             @Override
 133             public void perform(WriteGraph graph) throws DatabaseException {
 134                 graph.markUndoPoint();
 135                 ComponentTypeCommands.saveProceduralCode(graph, resource, currentText);
 136             }
 137         });
 138     }
 139
 140 }