/// ------------------------------------------------------------------------------------
/// <summary>
/// Go to the previous footnote in the footnote view
/// </summary>
/// <returns></returns>
/// ------------------------------------------------------------------------------------
public override ScrFootnote GoToPreviousFootnote()
{
CheckDisposed();
// In case no footnote is selected - can happen when footnote pane is first opened.
if (CurrentSelection == null)
{
return(null);
}
// Get the information needed from the current selection
int iBook = CurrentSelection.GetLevelInfoForTag(BookFilter.Tag).ihvo;
int iFootnote = CurrentSelection.GetLevelInfoForTag((int)ScrBook.ScrBookTags.kflidFootnotes).ihvo;
ScrBook book = BookFilter.GetBook(iBook);
// Get the previous footnote if it exists
if (--iFootnote < 0)
{
return(null);
}
ScrFootnote footnote = new ScrFootnote(m_cache, book.FootnotesOS.HvoArray[iFootnote]);
ScrollToFootnote(iBook, iFootnote, 0);
return(footnote);
}
/// ------------------------------------------------------------------------------------
/// <summary>
/// Determine if the pasting of text from the clipboard is possible.
/// </summary>
/// <returns>
/// Returns <c>true</c> if pasting is possible.
/// </returns>
/// ------------------------------------------------------------------------------------
public override bool CanPaste()
{
if (base.CanPaste())
{
// Currently, can not paste if the current selection covers more than one paragraph.
// The deletion of the range will cause the a new selection to be requested at the
// end of the UOW which will destroy the current selection. This could be solved by
// splitting the UOW inot 2 parts, but it was decided not to do this right now.
SelLevInfo anchorInfo;
SelLevInfo endInfo;
if (CurrentSelection.GetLevelInfoForTag(StTextTags.kflidParagraphs,
SelectionHelper.SelLimitType.Anchor, out anchorInfo) &&
CurrentSelection.GetLevelInfoForTag(StTextTags.kflidParagraphs,
SelectionHelper.SelLimitType.End, out endInfo))
{
return(anchorInfo.hvo == endInfo.hvo);
}
}
return(false);
}
/// ------------------------------------------------------------------------------------
/// <summary>
/// Goto the next footnote in the footnote view
/// </summary>
/// <returns></returns>
/// ------------------------------------------------------------------------------------
public override IScrFootnote GoToNextFootnote()
{
CheckDisposed();
// In case no footnote is selected - can happen when footnote pane is first opened.
if (CurrentSelection == null)
{
return(null);
}
// Get the information needed from the current selection
int iBook = CurrentSelection.GetLevelInfoForTag(BookFilter.Tag).ihvo;
int iFootnote = CurrentSelection.GetLevelInfoForTag(ScrBookTags.kflidFootnotes).ihvo;
IScrBook book = BookFilter.GetBook(iBook);
// Get the next footnote if it exists
if (++iFootnote >= book.FootnotesOS.Count)
{
return(null);
}
ScrollToFootnote(iBook, iFootnote, 0);
return((IScrFootnote)book.FootnotesOS[iFootnote]);
}