Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.modeling.ui / src / org / simantics / modeling / ui / componentTypeEditor / ComponentTypeScriptDocumentProvider.java

diff --git a/bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/componentTypeEditor/ComponentTypeScriptDocumentProvider.java b/bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/componentTypeEditor/ComponentTypeScriptDocumentProvider.java
new file mode 100644 (file)
index 0000000..0129b2b
--- /dev/null
+++ b/bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/componentTypeEditor/ComponentTypeScriptDocumentProvider.java
@@ -0,0 +1,155 @@
+package org.simantics.modeling.ui.componentTypeEditor;\r
+\r
+import java.io.PrintWriter;\r
+import java.io.StringWriter;\r
+\r
+import org.eclipse.core.runtime.CoreException;\r
+import org.eclipse.core.runtime.IProgressMonitor;\r
+import org.eclipse.jface.operation.IRunnableContext;\r
+import org.eclipse.jface.text.Document;\r
+import org.eclipse.jface.text.IDocument;\r
+import org.eclipse.jface.text.Position;\r
+import org.eclipse.jface.text.source.Annotation;\r
+import org.eclipse.jface.text.source.AnnotationModel;\r
+import org.eclipse.jface.text.source.IAnnotationModel;\r
+import org.eclipse.ui.texteditor.AbstractDocumentProvider;\r
+import org.simantics.Simantics;\r
+import org.simantics.databoard.Bindings;\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.WriteGraph;\r
+import org.simantics.db.common.request.UniqueRead;\r
+import org.simantics.db.common.request.WriteRequest;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.db.procedure.Listener;\r
+import org.simantics.db.request.Read;\r
+import org.simantics.modeling.ComponentTypeScriptRequest;\r
+import org.simantics.modeling.ComponentTypeScriptResult;\r
+import org.simantics.scl.compiler.errors.CompilationError;\r
+import org.simantics.scl.compiler.errors.Locations;\r
+import org.simantics.structural.stubs.StructuralResource2;\r
+import org.simantics.ui.workbench.ResourceEditorInput;\r
+import org.simantics.utils.logging.TimeLogger;\r
+\r
+public class ComponentTypeScriptDocumentProvider extends AbstractDocumentProvider {\r
+\r
+    protected ComponentTypeScriptEditor editor;\r
+    \r
+    protected Resource resource;\r
+    protected String currentText;\r
+    protected boolean errorHappened;\r
+    \r
+    protected AnnotationModel annotationModel = new AnnotationModel();\r
+    \r
+    protected boolean annotationsInitialized = false;\r
+    \r
+    public ComponentTypeScriptDocumentProvider(ComponentTypeScriptEditor editor) {\r
+        this.editor = editor;\r
+    }\r
+\r
+    @Override\r
+    protected IDocument createDocument(Object element) throws CoreException {\r
+        ResourceEditorInput input = (ResourceEditorInput)element;\r
+        resource = input.getResource();\r
+        try {\r
+            return Simantics.getSession().syncRequest(new UniqueRead<Document>() {\r
+                @Override\r
+                public Document perform(ReadGraph graph) throws DatabaseException {\r
+                    StructuralResource2 STR = StructuralResource2.getInstance(graph);\r
+                    currentText = graph.getRelatedValue(resource, STR.ComponentTypeScript_code, Bindings.STRING);\r
+                    errorHappened = false;\r
+                    return new Document(currentText != null ? currentText : "");\r
+                }\r
+            });\r
+        } catch (DatabaseException e) {\r
+            StringWriter sw = new StringWriter();\r
+            PrintWriter pw = new PrintWriter(sw);\r
+            e.printStackTrace(pw);\r
+            errorHappened = true;\r
+            return new Document(sw.toString());\r
+        }\r
+    }\r
+    \r
+    protected void updateAnnotations() {\r
+        Simantics.getSession().asyncRequest(new Read<ComponentTypeScriptResult>() {\r
+            @Override\r
+            public ComponentTypeScriptResult perform(ReadGraph graph) throws DatabaseException {\r
+                // is this the correct way to obtain the parent?\r
+                StructuralResource2 str = StructuralResource2.getInstance(graph);\r
+                Resource componentType = graph.getSingleObject(resource, str.ComponentType_hasScript_Inverse);\r
+                \r
+                return graph.syncRequest(new ComponentTypeScriptRequest(resource, componentType));\r
+            }\r
+        }, new Listener<ComponentTypeScriptResult>() {\r
+\r
+            @Override\r
+            public void execute(ComponentTypeScriptResult result) {\r
+                synchronized(annotationModel.getLockObject()) {\r
+                    annotationModel.removeAllAnnotations();\r
+                    for(CompilationError error : result.getErrors()) {\r
+                        Annotation annotation = new Annotation("org.eclipse.ui.workbench.texteditor.error", true, error.description);\r
+                        int begin = Locations.beginOf(error.location);\r
+                        int end = Locations.endOf(error.location);\r
+                        Position position = new Position(begin, end - begin);\r
+                        annotationModel.addAnnotation(annotation, position);\r
+                    }\r
+                }\r
+            }\r
+\r
+            @Override\r
+            public void exception(Throwable t) {\r
+                t.printStackTrace();\r
+            }\r
+\r
+            @Override\r
+            public boolean isDisposed() {\r
+                return editor.isDisposed();\r
+            }\r
+        });\r
+    }\r
+    \r
+    @Override\r
+    protected void doSaveDocument(IProgressMonitor monitor, Object element,\r
+            IDocument document, boolean overwrite) throws CoreException {\r
+        TimeLogger.resetTimeAndLog(getClass(), "doSaveDocument");\r
+        currentText = document.get();\r
+        Simantics.getSession().asyncRequest(new WriteRequest() {\r
+            @Override\r
+            public void perform(WriteGraph graph) throws DatabaseException {\r
+                graph.markUndoPoint();\r
+                StructuralResource2 STR = StructuralResource2.getInstance(graph);\r
+                graph.claimLiteral(resource, STR.ComponentTypeScript_code, currentText, Bindings.STRING);\r
+            }\r
+        });\r
+    }\r
+\r
+    @Override\r
+    protected IAnnotationModel createAnnotationModel(Object element) throws CoreException {\r
+        if(!annotationsInitialized) {\r
+            updateAnnotations();\r
+            annotationsInitialized = true;\r
+        }\r
+        return annotationModel;\r
+    }\r
+\r
+    @Override\r
+    protected IRunnableContext getOperationRunner(IProgressMonitor monitor) {\r
+        return null;\r
+    }\r
+    \r
+    @Override\r
+    public boolean isModifiable(Object element) {\r
+        return !errorHappened;\r
+    }\r
+\r
+    @Override\r
+    public boolean isReadOnly(Object element) {\r
+        return errorHappened;\r
+    }\r
+\r
+    @Override\r
+    public boolean canSaveDocument(Object element) {\r
+        return !errorHappened && !getDocument(element).get().equals(currentText);\r
+    }\r
+    \r
+}\r