Examples of org.eclipse.jface.text.Document

org.eclipse.jface.text.Document
Default document implementation. Uses a {@link org.eclipse.jface.text.GapTextStore} wrappedinside a {@link org.eclipse.jface.text.CopyOnWriteTextStore} as text store.
The used line tracker considers the following strings as line delimiters: "\n", "\r", "\r\n". In case of a text replacement across line delimiter boundaries and with different line delimiters, the line tracker might have to be repaired. Use {@link #isLineInformationRepairNeeded(int,int,String)} before doing the text replace if youhave the need to discover such a situation.

The document is ready to use. It has a default position category for which a default position updater is installed.

Performance: The implementation should perform reasonably well for typical source code documents. It is not designed for very large documents of a size of several megabytes. Space-saving implementations are initially used for both the text store and the line tracker; the first modification after a {@link #set(String) set} incurs the cost to transform thedocument structures to efficiently handle updates.

See {@link GapTextStore} and TreeLineTracker for algorithmic behavior of the useddocument structures.
@see org.eclipse.jface.text.GapTextStore @see org.eclipse.jface.text.CopyOnWriteTextStore

    final TextEdit editCode = codeFormatter.format(
        CodeFormatter.K_COMPILATION_UNIT
            | CodeFormatter.F_INCLUDE_COMMENTS, source, 0,
        source.length(), 0, System.getProperty("line.separator"));


    IDocument document = new Document(source);


    if (icu != null && document != null && editCode != null) {
      try {
        editCode.apply(document);
      } catch (MalformedTreeException e) {
        CrashReporter.reportException(e);
      } catch (BadLocationException e) {
        CrashReporter.reportException(e);
      }


      try {
        icu.becomeWorkingCopy(null);
        icu.getBuffer().setContents(document.get());
        icu.reconcile(ICompilationUnit.NO_AST, false, null, null);
        icu.commitWorkingCopy(true, null);
        icu.discardWorkingCopy();
      } catch (JavaModelException e) {
        CrashReporter.reportException(e);

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    final TextEdit editCode = codeFormatter.format(
        CodeFormatter.K_COMPILATION_UNIT
            | CodeFormatter.F_INCLUDE_COMMENTS, source, 0,
        source.length(), 0, System.getProperty("line.separator"));


    IDocument document = new Document(source);


    if (icu != null && document != null && editCode != null) {
      try {
        editCode.apply(document);
      } catch (MalformedTreeException e) {
        e.printStackTrace();
      } catch (BadLocationException e) {
        e.printStackTrace();
      }


      try {
        icu.becomeWorkingCopy(null);
        icu.getBuffer().setContents(document.get());
        icu.reconcile(ICompilationUnit.NO_AST, false, null, null);
        icu.commitWorkingCopy(true, null);
        icu.discardWorkingCopy();
      } catch (JavaModelException e) {
        logger.debug("Reconcile operation on ICompilationUnit failed.\r\n"

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    final TextEdit editCode = codeFormatter.format(
        CodeFormatter.K_COMPILATION_UNIT
            | CodeFormatter.F_INCLUDE_COMMENTS, source, 0,
        source.length(), 0, System.getProperty("line.separator"));


    IDocument document = new Document(source);


    if (icu != null && document != null && editCode != null) {
      try {
        editCode.apply(document);
      } catch (MalformedTreeException e) {
        e.printStackTrace();
      } catch (BadLocationException e) {
        e.printStackTrace();
      }


      try {
        icu.becomeWorkingCopy(null);
        icu.getBuffer().setContents(document.get());
        icu.reconcile(ICompilationUnit.NO_AST, false, null, null);
        icu.commitWorkingCopy(true, null);
        icu.discardWorkingCopy();
      } catch (JavaModelException e) {
        logger.debug("Reconcile operation on ICompilationUnit failed.\r\n"

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            null);
        logger.debug("New type added successfully");
      }


      String source = icu.getSource();
      Document document = new Document(source);


      // computation of the text edits
      TextEdit edits = rewrite.rewriteAST(document, icu.getJavaProject()
          .getOptions(true));


      // computation of the new source code
      if (edits != null) {
        edits.apply(document);
      }


      String newSource = document.get();


      // update of the compilation unit
      icu.getBuffer().setContents(newSource);
      icu.reconcile(ICompilationUnit.NO_AST, false, null, null);
      icu.commitWorkingCopy(false, null);

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    tableviewer.setInput(items);
    pagebook.showPage(tableviewer.getControl());
  }


  private void showText(String text) {
    textviewer.setDocument(new Document(text));
    pagebook.showPage(textviewer.getControl());
  }

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        sourceViewer.getControl().setLayoutData( new GridData( GridData.FILL_BOTH ) );
        configuration = new FilterSourceViewerConfiguration( parser, browserConnection );
        sourceViewer.configure( configuration );


        // set document
        IDocument document = new Document( filter );
        sourceViewer.setDocument( document );


        // preformat
        IRegion region = new Region( 0, sourceViewer.getDocument().getLength() );
        configuration.getContentFormatter( sourceViewer ).format( sourceViewer.getDocument(), region );

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        ICompletionProposal[] oldProposals = computeCompletionProposals( position );
        IContentProposal[] proposals = new IContentProposal[oldProposals.length];
        for ( int i = 0; i < oldProposals.length; i++ )
        {
            final ICompletionProposal oldProposal = oldProposals[i];
            final Document document = new Document( contents );
            oldProposal.apply( document );


            proposals[i] = new IContentProposal()
            {
                public String getContent()
                {
                    return document.get();
                }




                public int getCursorPosition()
                {

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        // set text font
        Font font = JFaceResources.getFont( JFaceResources.TEXT_FONT );
        schemaSourceViewer.getTextWidget().setFont( font );


        IDocument document = new Document();
        schemaSourceViewer.setDocument( document );


        // Initialization from the "input" attribute type
        fillInUiFields();

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        // set text font
        Font font = JFaceResources.getFont( JFaceResources.TEXT_FONT );
        schemaSourceViewer.getTextWidget().setFont( font );


        IDocument document = new Document();
        schemaSourceViewer.setDocument( document );


        // Initialization from the "input" object class
        fillInUiFields();

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        // set text font
        Font font = JFaceResources.getFont( JFaceResources.TEXT_FONT );
        schemaSourceViewer.getTextWidget().setFont( font );


        IDocument document = new Document();
        schemaSourceViewer.setDocument( document );


        // Initializes the UI from the schema
        fillInUiFields();

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