Example usage for org.eclipse.jdt.core ITypeRoot getWorkingCopy

Introduction

In this page you can find the example usage for org.eclipse.jdt.core ITypeRoot getWorkingCopy.

Prototype

ICompilationUnit getWorkingCopy(WorkingCopyOwner owner, IProgressMonitor monitor) throws JavaModelException;

Source Link

Document

Returns a shared working copy on this compilation unit or class file using the given working copy owner to create the buffer.

Usage

From source file:cideplus.ui.astview.ASTView.java

License:Open Source License

public void setInput(ITextEditor editor) throws CoreException {
    if (fEditor != null) {
        uninstallModificationListener();
    }//from   ww w . java2  s . c o m

    fEditor = null;
    fRoot = null;

    if (editor != null) {
        ITypeRoot typeRoot = EditorUtility.getJavaInput(editor);
        /*
        try {
           System.out.println(editor.getEditorInput().getName());
           Field declaredField = AbstractTextEditor.class.getDeclaredField("fSourceViewer");
           declaredField.setAccessible(true);
           ISourceViewer sourceViewer = (ISourceViewer) declaredField.get(editor);
           ((ITextViewerExtension4)sourceViewer).addTextPresentationListener(new ColorPresentation(sourceViewer, editor));
           sourceViewer.changeTextPresentation(new TextPresentation(200), false);
        } catch (Exception e) {
           System.err.println("ERRROOO   "+e+" "+e.getMessage());
           e.printStackTrace();
        }
         */
        if (typeRoot == null) {
            throw new CoreException(getErrorStatus("Editor not showing a CU or class file", null)); //$NON-NLS-1$
        }
        fTypeRoot = typeRoot;
        int astLevel = getInitialASTLevel(typeRoot);

        ISelection selection = editor.getSelectionProvider().getSelection();
        if (selection instanceof ITextSelection) {
            ITextSelection textSelection = (ITextSelection) selection;
            fRoot = internalSetInput(typeRoot, textSelection.getOffset(), textSelection.getLength(), astLevel);
            fEditor = editor;
            setASTLevel(astLevel, false);
        }
        /* Inicia o featuresManager para o projeto selecionado */
        featuresManager = FeaturesConfigurationUtil.getFeaturesManager(typeRoot.getJavaProject().getProject());

        if (fEditor.getEditorInput() instanceof IFileEditorInput) {
            //IFile file = ((IFileEditorInput) fEditor.getEditorInput()).getFile();
            //javaFileFullPath = file.getFullPath().toString();
            final IProblemRequestor problemRequestor = new IProblemRequestor() { //strange: don't get bindings when supplying null as problemRequestor
                public void acceptProblem(IProblem problem) {
                    /*not interested*/}

                public void beginReporting() {
                    /*not interested*/}

                public void endReporting() {
                    /*not interested*/}

                public boolean isActive() {
                    return true;
                }
            };
            WorkingCopyOwner copyOwner = new WorkingCopyOwner() {
                @Override
                public IProblemRequestor getProblemRequestor(ICompilationUnit workingCopy) {
                    return problemRequestor;
                }
            };
            ICompilationUnit compilation = typeRoot.getWorkingCopy(copyOwner, null);
            try {
                compilationUnitFeaturesManager = featuresManager.getManagerForFile(compilation);
                fASTLabelProvider.setCompilationUnitFeaturesManager(compilationUnitFeaturesManager);
                //refreshAST();
                fViewer.refresh();
            } catch (Exception e) {
                showAndLogError("Could not read featurer file for compilation unit. " + e.getMessage(), e);
            }
        }

        installModificationListener();
    }

}

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From source file:cideplus.ui.astview.ASTView.java

License:Open Source License

private CompilationUnit createAST(ITypeRoot input, int astLevel, int offset)
        throws JavaModelException, CoreException {
    long startTime;
    long endTime;
    CompilationUnit root;//from   w  ww.  j a v a  2s.com

    if ((getCurrentInputKind() == ASTInputKindAction.USE_RECONCILE)) {
        final IProblemRequestor problemRequestor = new IProblemRequestor() { //strange: don't get bindings when supplying null as problemRequestor
            public void acceptProblem(IProblem problem) {
                /*not interested*/}

            public void beginReporting() {
                /*not interested*/}

            public void endReporting() {
                /*not interested*/}

            public boolean isActive() {
                return true;
            }
        };
        WorkingCopyOwner workingCopyOwner = new WorkingCopyOwner() {
            @Override
            public IProblemRequestor getProblemRequestor(ICompilationUnit workingCopy) {
                return problemRequestor;
            }
        };
        ICompilationUnit wc = input.getWorkingCopy(workingCopyOwner, null);
        try {
            int reconcileFlags = ICompilationUnit.FORCE_PROBLEM_DETECTION;
            if (fStatementsRecovery)
                reconcileFlags |= ICompilationUnit.ENABLE_STATEMENTS_RECOVERY;
            if (fBindingsRecovery)
                reconcileFlags |= ICompilationUnit.ENABLE_BINDINGS_RECOVERY;
            if (fIgnoreMethodBodies)
                reconcileFlags |= ICompilationUnit.IGNORE_METHOD_BODIES;
            startTime = System.currentTimeMillis();
            root = wc.reconcile(getCurrentASTLevel(), reconcileFlags, null, null);
            endTime = System.currentTimeMillis();
        } finally {
            wc.discardWorkingCopy();
        }

    } else if (input instanceof ICompilationUnit && (getCurrentInputKind() == ASTInputKindAction.USE_CACHE)) {
        ICompilationUnit cu = (ICompilationUnit) input;
        startTime = System.currentTimeMillis();
        root = SharedASTProvider.getAST(cu, SharedASTProvider.WAIT_NO, null);
        endTime = System.currentTimeMillis();

    } else {
        ASTParser parser = ASTParser.newParser(astLevel);
        parser.setResolveBindings(fCreateBindings);
        if (input instanceof ICompilationUnit) {
            parser.setSource((ICompilationUnit) input);
        } else {
            parser.setSource((IClassFile) input);
        }
        parser.setStatementsRecovery(fStatementsRecovery);
        parser.setBindingsRecovery(fBindingsRecovery);
        parser.setIgnoreMethodBodies(fIgnoreMethodBodies);
        if (getCurrentInputKind() == ASTInputKindAction.USE_FOCAL) {
            parser.setFocalPosition(offset);
        }
        startTime = System.currentTimeMillis();
        root = (CompilationUnit) parser.createAST(null);
        endTime = System.currentTimeMillis();
    }
    if (root != null) {
        updateContentDescription(input, root, endTime - startTime);
    }
    return root;
}

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