/// <summary>
/// Any selection that involves an IAnalysis should be expanded to complete IAnalysis objects.
/// This method also updates a list of selected AnalysisOccurrences.
/// </summary>
/// <param name="prootb"></param>
/// <param name="vwselNew"></param>
protected override void HandleSelectionChange(IVwRootBox prootb, IVwSelection vwselNew)
{
if (m_fInSelChanged)
{
return;
}
m_fInSelChanged = true;
try
{
m_selectedWordforms = null;
base.HandleSelectionChange(prootb, vwselNew);
if (vwselNew == null)
{
return;
}
SelLevInfo[] analysisLevels;
SelLevInfo[] endLevels;
if (TryGetAnalysisLevelsAndEndLevels(vwselNew, out analysisLevels, out endLevels))
{
m_selectedWordforms = GetSelectedOccurrences(analysisLevels, endLevels[0].ihvo);
RootBox.MakeTextSelInObj(0, analysisLevels.Length, analysisLevels, endLevels.Length, endLevels, false, false,
false, true, true);
}
else
{
RootBox.DestroySelection();
}
}
finally
{
m_fInSelChanged = false;
}
}
/// ------------------------------------------------------------------------------------
/// <summary>
/// If we need to make a selection, but we can't because edits haven't been updated in
/// the view, this method requests creation of a selection after the unit of work is
/// complete. It will also scroll the selection into view.
/// Derived classes should implement this if they have any hope of supporting multi-
/// paragraph editing.
/// </summary>
/// <param name="helper">The selection to restore</param>
/// ------------------------------------------------------------------------------------
public override void RequestVisibleSelectionAtEndOfUow(SelectionHelper helper)
{
Assert.IsNull(RequestedSelectionAtEndOfUow);
RequestedSelectionAtEndOfUow = helper;
RootBox.DestroySelection(); // Need to act like real program in this regard
}
/// ------------------------------------------------------------------------------------
/// <summary>
/// Called when the focus leaves the control. We want to hide the selection.
/// </summary>
/// <param name="e">An <see cref="T:System.EventArgs"/> that contains the event data.</param>
/// ------------------------------------------------------------------------------------
protected override void OnLeave(EventArgs e)
{
base.OnLeave(e);
if (RootBox != null)
{
RootBox.DestroySelection();
}
}
/// --------------------------------------------------------------------------------
/// <summary>
/// In this simple implementation, we just record the information about the requested
/// selection.
/// </summary>
/// <param name="rootb">The rootbox</param>
/// <param name="ihvoRoot">Index of root element</param>
/// <param name="cvlsi">count of levels</param>
/// <param name="rgvsli">levels</param>
/// <param name="tagTextProp">tag or flid of property containing the text (TsString)</param>
/// <param name="cpropPrevious">number of previous occurrences of the text property</param>
/// <param name="ich">character offset into the text</param>
/// <param name="wsAlt">The id of the writing system for the selection.</param>
/// <param name="fAssocPrev">Flag indicating whether to associate the insertion point
/// with the preceding character or the following character</param>
/// <param name="selProps">The selection properties.</param>
/// --------------------------------------------------------------------------------
public override void RequestSelectionAtEndOfUow(IVwRootBox rootb, int ihvoRoot,
int cvlsi, SelLevInfo[] rgvsli, int tagTextProp, int cpropPrevious, int ich, int wsAlt,
bool fAssocPrev, ITsTextProps selProps)
{
Assert.AreEqual(RootBox, rootb);
Assert.IsNull(RequestedSelectionAtEndOfUow);
RequestedSelectionAtEndOfUow = new SelectionHelper();
RequestedSelectionAtEndOfUow.RootSite = this;
RequestedSelectionAtEndOfUow.IhvoRoot = ihvoRoot;
RequestedSelectionAtEndOfUow.NumberOfLevels = cvlsi;
RequestedSelectionAtEndOfUow.SetLevelInfo(SelectionHelper.SelLimitType.Anchor, rgvsli);
RequestedSelectionAtEndOfUow.TextPropId = tagTextProp;
RequestedSelectionAtEndOfUow.NumberOfPreviousProps = cpropPrevious;
RequestedSelectionAtEndOfUow.IchAnchor = ich;
RequestedSelectionAtEndOfUow.Ws = wsAlt;
RequestedSelectionAtEndOfUow.AssocPrev = fAssocPrev;
RootBox.DestroySelection(); // Need to act like real program in this regard
}
