Examples of org.eclipse.jface.text.link.LinkedPositionGroup

org.eclipse.jface.text.link.LinkedPositionGroup
A group of positions in multiple documents that are simultaneously modified - if one gets edited, all other positions in a group are edited the same way. All linked positions in a group have the same content.
Normally, new positions are given a {@link LinkedPosition#getSequenceNumber() sequence number} which can be used byclients, e.g. in the UI as tab stop weight. If {@link #NO_STOP} is used as weight, a position will not be visited.If {@link #NO_STOP} is used for all positions, the first position in a document is taken asthe only stop as to comply with the behavior of the old linked position infrastructure.

Clients may instantiate this class.
@since 3.0 @noextend This class is not intended to be subclassed by clients.


  public void run() {
    ISourceViewer viewer = editor.getViewer();
    IDocument document = viewer.getDocument();
    int offset = ((ITextSelection) editor.getSelectionProvider().getSelection()).getOffset();
    LinkedPositionGroup group = new LinkedPositionGroup();
    IDocument doc =  editor.getDocumentProvider().getDocument(editor.getEditorInput()); 
    ITextSelection sel = (ITextSelection)editor.getSelectionProvider().getSelection();
    Point curRange = viewer.getSelectedRange();
    this.enclose(doc, sel, "<>", "</>");
    List positions = new ArrayList();
    // the offset / content of groups much match ("<[>]" and "</[>]")
    offset++;
    Position tagOpen = new Position(offset,1);
    Position tagClose = new Position(offset+ sel.getLength() + 3,1);
    positions.add(tagOpen);
    positions.add(tagClose);
    addPositionsToGroup(offset, positions, document, group);
    if (group.isEmpty()) {
      return;
    }
    try {
      LinkedModeModel model = new LinkedModeModel();
      model.addGroup(group);

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  }


  @Override
  public void applyQuickFix(final IDocument document) {
    final LinkedPosition position = new LinkedPosition(document, getOffset(), getLength());
    LinkedPositionGroup group = new LinkedPositionGroup();


    LinkedModeModel model = new LinkedModeModel();
    try {
      group.addPosition(position);
      model.addGroup(group);
      model.forceInstall();


      ITextViewer viewer = getViewer(document);
      if (viewer == null) {

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        formatter.formatNode(element);
        if (element instanceof ElementImpl) {
          ElementImpl elementImpl = (ElementImpl) element;
          int nodeOffset = elementImpl.getStartEndOffset() - 1;


          LinkedPositionGroup group = new LinkedPositionGroup();


          try {
            group.addPosition(new LinkedPosition(document, nodeOffset, 0));
            linkModel.addGroup(group);
            hasPositions = true;
          }
          catch (BadLocationException e) {
            StatusHandler.log(new Status(IStatus.ERROR, Activator.PLUGIN_ID,

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      LinkedModeModel model = new LinkedModeModel();
      StringBuilder methodStr = new StringBuilder();


      int startPos, length;
      List<LinkedPositionGroup> groups = new ArrayList<LinkedPositionGroup>();
      LinkedPositionGroup group;


      group = new LinkedPositionGroup();
      startPos = startOffset + importOffset + methodStr.length();
      methodStr.append("List<");
      methodStr.append(domainClass.getSimpleName());
      methodStr.append(">");
      length = methodStr.length();
      group.addPosition(new LinkedPosition(document, startPos, length));
      groups.add(group);


      methodStr.append(" ");


      group = new LinkedPositionGroup();
      startPos = startOffset + importOffset + methodStr.length();
      String methodName = getMethodName(propertyName);
      methodStr.append(methodName);
      length = methodName.length();
      group.addPosition(new LinkedPosition(document, startPos, length));
      groups.add(group);


      methodStr.append("(");


      group = new LinkedPositionGroup();
      startPos = startOffset + importOffset + methodStr.length();
      String paramTypeName = propertyClass.getSimpleName();
      length = paramTypeName.length();
      methodStr.append(paramTypeName);
      group.addPosition(new LinkedPosition(document, startPos, length));
      groups.add(group);


      methodStr.append(" ");


      group = new LinkedPositionGroup();
      startPos = startOffset + importOffset + methodStr.length();
      String paramName = propertyName.toLowerCase();
      length = paramName.length();
      methodStr.append(paramName);
      group.addPosition(new LinkedPosition(document, startPos, length));
      groups.add(group);


      methodStr.append(");");


      document.replace(startOffset + importOffset, endOffset - startOffset, methodStr.toString());

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        formatter.formatNode(element);
        if (element instanceof ElementImpl) {
          ElementImpl elementImpl = (ElementImpl) element;
          int nodeOffset = elementImpl.getStartEndOffset() - 1;


          LinkedPositionGroup group = new LinkedPositionGroup();


          try {
            group.addPosition(new LinkedPosition(document, nodeOffset, 0));
            linkModel.addGroup(group);
            hasPositions = true;
          }
          catch (BadLocationException e) {
            StatusHandler.log(new Status(IStatus.ERROR, Activator.PLUGIN_ID,

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  }


  @Override
  public void applyQuickFix(final IDocument document) {
    final LinkedPosition position = new LinkedPosition(document, getOffset(), getLength());
    LinkedPositionGroup group = new LinkedPositionGroup();


    LinkedModeModel model = new LinkedModeModel();
    try {
      group.addPosition(position);
      model.addGroup(group);
      model.forceInstall();


      ITextViewer viewer = getViewer(document);
      if (viewer == null) {

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      if (model != null) {
        model.endRecording(this);
      }


      LinkedModeModel linkModel = new LinkedModeModel();
      LinkedPositionGroup group = new LinkedPositionGroup();
      attrNode = ((AttrImpl) beanNode.getAttributes().getNamedItem(BeansSchemaConstants.ATTR_FACTORY_METHOD));


      try {
        group.addPosition(new LinkedPosition(document, attrNode.getValueRegionStartOffset() + 1, 0));
        linkModel.addGroup(group);


      }
      catch (BadLocationException e) {
        StatusHandler.log(new Status(IStatus.ERROR, Activator.PLUGIN_ID,

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        TemplateVariable variable= variables[i];


        if (variable.isUnambiguous())
          continue;


        LinkedPositionGroup group= new LinkedPositionGroup();


        int[] offsets= variable.getOffsets();
        int length= variable.getLength();


        LinkedPosition first;
        {
          String[] values= variable.getValues();
          ICompletionProposal[] proposals= new ICompletionProposal[values.length];
          for (int j= 0; j < values.length; j++) {
            ensurePositionCategoryInstalled(document, model);
            Position pos= new Position(offsets[0] + start, length);
            document.addPosition(getCategory(), pos);
            proposals[j]= new PositionBasedCompletionProposal(values[j], pos, length);
          }


          if (proposals.length > 1)
            first= new ProposalPosition(document, offsets[0] + start, length, proposals);
          else
            first= new LinkedPosition(document, offsets[0] + start, length);
        }


        for (int j= 0; j != offsets.length; j++)
          if (j == 0)
            group.addPosition(first);
          else
            group.addPosition(new LinkedPosition(document, offsets[j] + start, length));


        model.addGroup(group);
        hasPositions= true;
      }

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