Examples of org.eclipse.jface.text.ITextViewerExtension5.widgetLine2ModelLine()

Class org.eclipse.jface.text.ITextViewerExtension5

Examples of org.eclipse.jface.text.ITextViewerExtension5.widgetLine2ModelLine()

org.eclipse.jface.text.ITextViewerExtension5.widgetLine2ModelLine()
Returns the line of the viewer's input document that corresponds to the given widget line or -1 if there is no such line. @param widgetLine the widget line @return the corresponding line of the viewer's document or-1

   * @return <code>true</code> if the line is folded
   */
  private boolean isFoldedLine(int widgetLine) {
    if (fTextViewer instanceof ITextViewerExtension5) {
      ITextViewerExtension5 extension= (ITextViewerExtension5)fTextViewer;
      int modelLine= extension.widgetLine2ModelLine(widgetLine);
      int widgetLine2= extension.modelLine2WidgetLine(modelLine + 1);
      return widgetLine2 == -1;
    }
    return false;
  }

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      if (fSourceViewer instanceof ITextViewerExtension5) {
        ITextViewerExtension5 extension= (ITextViewerExtension5) fSourceViewer;
        StyledText textWidget= fSourceViewer.getTextWidget();
        int topIndex= textWidget.getTopIndex();
        int newTopIndex= Math.max(0, topIndex + fScrollIncrement);
        fSourceViewer.setTopIndex(extension.widgetLine2ModelLine(newTopIndex));
      } else {
        int topIndex= fSourceViewer.getTopIndex();
        int newTopIndex= Math.max(0, topIndex + fScrollIncrement);
        fSourceViewer.setTopIndex(newTopIndex);
      }

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    lines[0]= (pixel0 * maxLines) / rulerLength;
    lines[1]= (pixel1 * maxLines) / rulerLength;


    if (fTextViewer instanceof ITextViewerExtension5) {
      ITextViewerExtension5 extension= (ITextViewerExtension5) fTextViewer;
      lines[0]= extension.widgetLine2ModelLine(lines[0]);
      lines[1]= extension.widgetLine2ModelLine(lines[1]);
    } else {
      try {
        IRegion visible= fTextViewer.getVisibleRegion();
        int lineNumber= fTextViewer.getDocument().getLineOfOffset(visible.getOffset());

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    lines[1]= (pixel1 * maxLines) / rulerLength;


    if (fTextViewer instanceof ITextViewerExtension5) {
      ITextViewerExtension5 extension= (ITextViewerExtension5) fTextViewer;
      lines[0]= extension.widgetLine2ModelLine(lines[0]);
      lines[1]= extension.widgetLine2ModelLine(lines[1]);
    } else {
      try {
        IRegion visible= fTextViewer.getVisibleRegion();
        int lineNumber= fTextViewer.getDocument().getLineOfOffset(visible.getOffset());
        lines[0] += lineNumber;

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      ITextViewerExtension5 extension= (ITextViewerExtension5) fCachedTextViewer;
      
      // ITextViewer.getTopIndex returns the fully visible line, but we want the partially
      // visible one
      int widgetTopLine= JFaceTextUtil.getPartialTopIndex(fCachedTextWidget);
      topLine= extension.widgetLine2ModelLine(widgetTopLine);
      
      coverage= extension.getModelCoverage();
      
    } else {
      topLine= JFaceTextUtil.getPartialTopIndex(fCachedTextViewer);

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   */
  protected final static int widgetLine2ModelLine(ITextViewer viewer, int widgetLine) {


    if (viewer instanceof ITextViewerExtension5) {
      ITextViewerExtension5 extension= (ITextViewerExtension5) viewer;
      return extension.widgetLine2ModelLine(widgetLine);
    }


    try {
      IRegion r= viewer.getVisibleRegion();
      IDocument d= viewer.getDocument();

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   */
  protected final static int widgetLine2ModelLine(ITextViewer viewer, int widgetLine) {


    if (viewer instanceof ITextViewerExtension5) {
      ITextViewerExtension5 extension= (ITextViewerExtension5) viewer;
      return extension.widgetLine2ModelLine(widgetLine);
    }


    try {
      IRegion r= viewer.getVisibleRegion();
      IDocument d= viewer.getDocument();

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    if (fViewer instanceof ITextViewerExtension5) {
      ITextViewerExtension5 ext= (ITextViewerExtension5) fViewer;
      try {
        return ext.widgetOffset2ModelOffset(textWidget.getOffsetAtLocation(point));
      } catch (IllegalArgumentException e) {
        int docLineIndex= ext.widgetLine2ModelLine(textWidget.getLineIndex(point.y));
        String lineDelimiter= document.getLineDelimiter(docLineIndex);
        int delimLength= lineDelimiter == null ? 0 : lineDelimiter.length();
        return document.getLineOffset(docLineIndex) + document.getLineLength(docLineIndex)
            - delimLength;
      }

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      if (fSourceViewer instanceof ITextViewerExtension5) {
        ITextViewerExtension5 extension= (ITextViewerExtension5) fSourceViewer;
        StyledText textWidget= fSourceViewer.getTextWidget();
        int topIndex= textWidget.getTopIndex();
        int newTopIndex= Math.max(0, topIndex + fScrollIncrement);
        fSourceViewer.setTopIndex(extension.widgetLine2ModelLine(newTopIndex));
      } else {
        int topIndex= fSourceViewer.getTopIndex();
        int newTopIndex= Math.max(0, topIndex + fScrollIncrement);
        fSourceViewer.setTopIndex(newTopIndex);
      }

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    if (lines[1] > infos.maxLines)
      lines[1]= infos.maxLines;
    
    if (fTextViewer instanceof ITextViewerExtension5) {
      ITextViewerExtension5 extension= (ITextViewerExtension5) fTextViewer;
      lines[0]= extension.widgetLine2ModelLine(lines[0]);
      lines[1]= extension.widgetLine2ModelLine(lines[1]);
    } else {
      try {
        IRegion visible= fTextViewer.getVisibleRegion();
        int lineNumber= fTextViewer.getDocument().getLineOfOffset(visible.getOffset());

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