1 package org.simantics.modeling.ui.componentTypeEditor;
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3 import java.io.PrintWriter;
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4 import java.io.StringWriter;
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5 import java.util.Arrays;
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6 import java.util.Collection;
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7 import java.util.Collections;
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9 import org.eclipse.core.runtime.CoreException;
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10 import org.eclipse.core.runtime.IProgressMonitor;
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11 import org.eclipse.core.runtime.IStatus;
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12 import org.eclipse.core.runtime.Status;
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13 import org.eclipse.jface.text.Document;
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14 import org.eclipse.jface.text.IDocument;
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15 import org.eclipse.swt.widgets.Display;
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16 import org.simantics.Simantics;
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17 import org.simantics.databoard.Bindings;
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18 import org.simantics.db.ReadGraph;
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19 import org.simantics.db.Resource;
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20 import org.simantics.db.WriteGraph;
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21 import org.simantics.db.common.request.ResourceRead;
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22 import org.simantics.db.common.request.UniqueRead;
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23 import org.simantics.db.common.request.WriteRequest;
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24 import org.simantics.db.exception.DatabaseException;
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25 import org.simantics.db.layer0.util.Layer0Utils;
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26 import org.simantics.db.procedure.Listener;
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27 import org.simantics.diagram.stubs.DiagramResource;
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28 import org.simantics.layer0.Layer0;
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29 import org.simantics.modeling.ModelingResources;
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30 import org.simantics.modeling.ui.Activator;
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31 import org.simantics.scl.compiler.errors.CompilationError;
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32 import org.simantics.scl.ui.editor.SCLSourceViewerConfigurationNew;
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33 import org.simantics.scl.ui.editor.TextAndErrors;
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34 import org.simantics.ui.workbench.ResourceEditorInput;
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35 import org.simantics.utils.logging.TimeLogger;
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36 import org.simantics.utils.ui.SWTUtils;
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38 public class SymbolDropHandlerDocumentProvider extends SCLModuleEditorDocumentProvider {
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41 SCLModuleEditor editor;
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43 public SymbolDropHandlerDocumentProvider(SCLSourceViewerConfigurationNew sourceViewer, Display display, SCLModuleEditor editor) {
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44 super(sourceViewer);
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45 this.display = display;
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46 this.editor = editor;
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50 protected IDocument createDocument(Object element) throws CoreException {
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51 ResourceEditorInput input = (ResourceEditorInput)element;
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52 resource = input.getResource();
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54 return Simantics.getSession().syncRequest(new UniqueRead<Document>() {
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56 public Document perform(ReadGraph graph) throws DatabaseException {
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57 return new Document(getText(graph));
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60 } catch (DatabaseException e) {
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61 StringWriter sw = new StringWriter();
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62 PrintWriter pw = new PrintWriter(sw);
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63 e.printStackTrace(pw);
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64 return new Document(sw.toString());
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68 private String getText(ReadGraph graph) throws DatabaseException {
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69 Layer0 L0 = Layer0.getInstance(graph);
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70 DiagramResource DIA = DiagramResource.getInstance(graph);
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71 for(Resource text : graph.getAssertedObjects(resource, DIA.symbolDropHandler)) {
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72 errorHappened = false;
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73 return graph.getRelatedValue(text, L0.SCLValue_expression, Bindings.STRING);
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75 throw new DatabaseException("No symbol code was defined.");
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78 protected void updateAnnotations() {
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79 Simantics.getSession().asyncRequest(new ResourceRead<TextAndErrors>(resource) {
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81 public TextAndErrors perform(ReadGraph graph) throws DatabaseException {
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82 return new TextAndErrors(getText(graph), CompilationError.EMPTY_ARRAY);
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84 }, new Listener<TextAndErrors>() {
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86 public void execute(final TextAndErrors textAndErrors) {
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87 if (editor.isDisposed())
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89 SWTUtils.asyncExec(display, new Runnable() {
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92 if (editor.isDisposed())
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94 if(textAndErrors.errors.length > 0) {
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95 setAnnotations(Arrays.asList(textAndErrors.errors));
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97 setAnnotations(Collections.<CompilationError>emptyList());
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104 public void exception(Throwable t) {
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105 Activator.getDefault().getLog().log(
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106 new Status(IStatus.ERROR, Activator.PLUGIN_ID, "Internal error in procedural user component code compilation.", t));
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110 public boolean isDisposed() {
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111 return editor.isDisposed();
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117 protected void doSaveDocument(IProgressMonitor monitor, Object element,
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118 IDocument document, boolean overwrite) throws CoreException {
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119 TimeLogger.resetTimeAndLog(getClass(), "doSaveDocument");
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120 currentText = document.get();
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121 Simantics.getSession().asyncRequest(new WriteRequest() {
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123 public void perform(WriteGraph graph) throws DatabaseException {
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124 graph.markUndoPoint();
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125 Layer0 L0 = Layer0.getInstance(graph);
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126 DiagramResource DIA = DiagramResource.getInstance(graph);
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127 Collection<Resource> ass = graph.getAssertedObjects(resource, DIA.symbolDropHandler);
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128 if(ass.size() == 0) {
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130 ModelingResources MOD = ModelingResources.getInstance(graph);
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131 Resource newValue = graph.newResource();
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132 graph.claim(newValue, L0.InstanceOf, MOD.SCLValue);
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133 graph.claimLiteral(newValue, L0.HasValueType, "[WorkbenchSelectionElement] -> <WriteGraph,Proc> ()", Bindings.STRING);
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134 graph.claimLiteral(newValue, L0.SCLValue_expression, currentText, Bindings.STRING);
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136 Layer0Utils.assert_(graph, resource, DIA.symbolDropHandler, newValue);
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141 for(Resource text : ass) {
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142 graph.claimLiteral(text, L0.SCLValue_expression, currentText, Bindings.STRING);
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