Examples of org.eclipse.jface.text.source.IVerticalRulerColumn

org.eclipse.jface.text.source.IVerticalRulerColumn
A vertical ruler column is an element that can be added to a composite vertical ruler ( {@link org.eclipse.jface.text.source.CompositeRuler}). A composite vertical ruler is a vertical ruler with dynamically changing appearance and behavior depending on its actual arrangement of ruler columns. A vertical ruler column supports a subset of the contract of a vertical ruler. @see org.eclipse.jface.text.source.CompositeRuler @since 2.0

     * @param descriptor the descriptor of the column of interest
     * @return the matching column or <code>null</code>
     */
    private IContributedRulerColumn getVisibleColumn(CompositeRuler ruler, RulerColumnDescriptor descriptor) {
      for (Iterator it= ruler.getDecoratorIterator(); it.hasNext();) {
        IVerticalRulerColumn column= (IVerticalRulerColumn)it.next();
        if (column instanceof IContributedRulerColumn) {
          IContributedRulerColumn rulerColumn= (IContributedRulerColumn)column;
          RulerColumnDescriptor rcd= rulerColumn.getDescriptor();
          if (descriptor.equals(rcd))
            return rulerColumn;

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    private int computeIndex(CompositeRuler ruler, RulerColumnDescriptor descriptor) {
      int index= 0;
      List all= fRegistry.getColumnDescriptors();
      int newPos= all.indexOf(descriptor);
      for (Iterator it= ruler.getDecoratorIterator(); it.hasNext();) {
        IVerticalRulerColumn column= (IVerticalRulerColumn) it.next();
        if (column instanceof IContributedRulerColumn) {
          RulerColumnDescriptor rcd= ((IContributedRulerColumn)column).getDescriptor();
          if (rcd != null && all.indexOf(rcd) > newPos)
            break;
        } else if ("org.eclipse.jface.text.source.projection.ProjectionRulerColumn".equals(column.getClass().getName())) { //$NON-NLS-1$
          // projection column is always the rightmost column
          break;
        }
        index++;
      }

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     * @param descriptor the descriptor of the column of interest
     * @return the matching column or <code>null</code>
     */
    private IContributedRulerColumn getVisibleColumn(CompositeRuler ruler, RulerColumnDescriptor descriptor) {
      for (Iterator it= ruler.getDecoratorIterator(); it.hasNext();) {
        IVerticalRulerColumn column= (IVerticalRulerColumn)it.next();
        if (column instanceof IContributedRulerColumn) {
          IContributedRulerColumn rulerColumn= (IContributedRulerColumn)column;
          RulerColumnDescriptor rcd= rulerColumn.getDescriptor();
          if (descriptor.equals(rcd))
            return rulerColumn;

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    private int computeIndex(CompositeRuler ruler, RulerColumnDescriptor descriptor) {
      int index= 0;
      List all= fRegistry.getColumnDescriptors();
      int newPos= all.indexOf(descriptor);
      for (Iterator it= ruler.getDecoratorIterator(); it.hasNext();) {
        IVerticalRulerColumn column= (IVerticalRulerColumn) it.next();
        if (column instanceof IContributedRulerColumn) {
          RulerColumnDescriptor rcd= ((IContributedRulerColumn)column).getDescriptor();
          if (rcd != null && all.indexOf(rcd) > newPos)
            break;
        } else if ("org.eclipse.jface.text.source.projection.ProjectionRulerColumn".equals(column.getClass().getName())) { //$NON-NLS-1$
          // projection column is always the rightmost column
          break;
        }
        index++;
      }

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Related Classes of org.eclipse.jface.text.source.IVerticalRulerColumn

org.eclipse.ui.texteditor.AbstractTextEditor$ColumnSupport

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