/// ------------------------------------------------------------------------------------
/// <summary>
/// Deletes a footnote
/// </summary>
/// <param name="args"></param>
/// <returns><c>true</c> if we handle this</returns>
/// ------------------------------------------------------------------------------------
protected bool OnDeleteFootnote(object args)
{
if (DataUpdateMonitor.IsUpdateInProgress(DataAccess))
{
return(true); //discard this event
}
if (!ValidFootnoteSelection)
{
return(true);
}
string undo;
string redo;
TeResourceHelper.MakeUndoRedoLabels("kstidUndoDelFootnote", out undo, out redo);
using (new UndoTaskHelper(this, undo, redo, false))
using (new DataUpdateMonitor(this, RootBox.DataAccess, this, "DeleteFootnote"))
{
SelectionHelper helper = SelectionHelper.Create(this);
int fnLevel = helper.GetLevelForTag((int)ScrBook.ScrBookTags.kflidFootnotes);
if (helper.Selection.IsRange)
{
DeleteFootnoteRange(helper);
}
else
{
// There's no range selection, so delete only one footnote
ScrFootnote footnote = new ScrFootnote(m_fdoCache, helper.LevelInfo[fnLevel].hvo);
ScrFootnote.DeleteFootnoteAndMarker(footnote);
}
if (RootBox.Height <= 0)
{
DraftView.Focus();
}
else
{
int iBook = helper.LevelInfo[fnLevel + 1].ihvo;
ScrBook book = m_bookFilter.GetBook(iBook);
int iFootnote = helper.LevelInfo[fnLevel].ihvo;
// If the last footnote in the book was deleted find a footnote to move to
if (iFootnote >= book.FootnotesOS.Count)
{
FindNearestFootnote(ref iBook, ref iFootnote);
}
FootnoteEditingHelper.ScrollToFootnote(iBook, iFootnote, 0);
}
}
return(true);
}
/// ------------------------------------------------------------------------------------
/// <summary>
/// Scrolls the requested footnote to the top of the view
/// </summary>
/// <param name="footnote">The target footnote</param>
/// <param name="fPutInsertionPtAtEnd">if set to <c>true</c> and showing the view,
/// the insertion point will be put at the end of the footnote text instead of at the
/// beginning, as would be appropriate in the case of a newly inserted footnote that has
/// Reference Text. This parameter is ignored if footnote is null.</param>
/// ------------------------------------------------------------------------------------
public void ScrollToFootnote(StFootnote footnote, bool fPutInsertionPtAtEnd)
{
CheckDisposed();
// find book owning this footnote
int iBook = m_bookFilter.GetBookIndex(footnote.OwnerHVO);
ScrBook book = new ScrBook(Cache, footnote.OwnerHVO);
// find index of this footnote
int iFootnote = footnote.IndexInOwner;
// create selection pointing to this footnote
FootnoteEditingHelper.ScrollToFootnote(iBook, iFootnote, (fPutInsertionPtAtEnd ?
((StTxtPara)footnote.ParagraphsOS[0]).Contents.Length: 0));
}
/// ------------------------------------------------------------------------------------
/// <summary>
/// Scrolls the requested footnote to the top of the view
/// </summary>
/// <param name="footnote">The target footnote</param>
/// <param name="fPutInsertionPtAtEnd">if set to <c>true</c> and showing the view,
/// the insertion point will be put at the end of the footnote text instead of at the
/// beginning, as would be appropriate in the case of a newly inserted footnote that has
/// Reference Text. This parameter is ignored if footnote is null.</param>
/// ------------------------------------------------------------------------------------
public void ScrollToFootnote(IStFootnote footnote, bool fPutInsertionPtAtEnd)
{
CheckDisposed();
// find book owning this footnote
int iBook = m_bookFilter.GetBookIndex((IScrBook)footnote.Owner);
// find index of this footnote
int iFootnote = footnote.IndexInOwner;
// create selection pointing to this footnote
// TODO (FWR-2270): This won't work correctly in BT or segmented BT footnote views whe
// attempting to put the IP at the end of the footnote.
FootnoteEditingHelper.ScrollToFootnote(iBook, iFootnote, (fPutInsertionPtAtEnd ?
((IStTxtPara)footnote.ParagraphsOS[0]).Contents.Length: 0));
}
/// ------------------------------------------------------------------------------------
/// <summary>
/// Deletes a footnote or footnotes within a text selection.
/// </summary>
/// ------------------------------------------------------------------------------------
protected void DeleteFootnoteAux()
{
SelectionHelper helper = SelectionHelper.Create(this);
if (helper == null)
{
return; // Better then crashing :)
}
int fnLevel = helper.GetLevelForTag(ScrBookTags.kflidFootnotes);
if (helper.Selection.IsRange)
{
DeleteFootnoteRange(helper);
}
else
{
// There's no range selection, so delete only one footnote
IScrFootnote footnote =
Cache.ServiceLocator.GetInstance <IScrFootnoteRepository>().GetObject(helper.LevelInfo[fnLevel].hvo);
((IScrBook)footnote.Owner).FootnotesOS.Remove(footnote);
}
if (RootBox.Height <= 0)
{
DraftView.Focus();
}
else
{
int iBook = helper.LevelInfo[fnLevel + 1].ihvo;
IScrBook book = m_bookFilter.GetBook(iBook);
int iFootnote = helper.LevelInfo[fnLevel].ihvo;
// If the last footnote in the book was deleted find a footnote to move to
if (iFootnote >= book.FootnotesOS.Count)
{
FindNearestFootnote(ref iBook, ref iFootnote);
}
FootnoteEditingHelper.ScrollToFootnote(iBook, iFootnote, 0);
}
}
