/// <summary>
/// Receives the broadcast message "PropertyChanged"
/// </summary>
public override void OnPropertyChanged(string name)
{
var wsBefore = 0;
// We want to know below whether a base class changed the ws or not.
if (name == "WritingSystemHvo")
{
if (RootObject != null && m_rootb != null && m_rootb.Selection.IsValid)
{
wsBefore = SelectionHelper.GetWsOfEntireSelection(m_rootb.Selection);
}
}
base.OnPropertyChanged(name);
bool newVal; // used in two cases below
switch (name)
{
case "WritingSystemHvo":
if (RootObject != null && m_rootb != null && m_rootb.Selection.IsValid)
{
int hvo, tag, ws, ichMin, ichLim;
ws = SelectionHelper.GetWsOfEntireSelection(m_rootb.Selection);
if (ws != wsBefore) // writing system changed!
{
if (GetSelectedWordPos(m_rootb.Selection, out hvo, out tag, out ws, out ichMin, out ichLim))
{
if (tag != StTxtParaTags.kflidContents)
{
return;
}
var para = m_fdoCache.ServiceLocator.GetInstance <IStTxtParaRepository>().GetObject(hvo);
// force this paragraph to recognize it might need reparsing.
SetParaToReparse(para);
}
}
}
break;
case "ShowInvisibleSpaces":
newVal = ShowInvisibleSpaces;
if (newVal != m_showSpaceDa.ShowSpaces)
{
m_showSpaceDa.ShowSpaces = newVal;
var saveSelection = SelectionHelper.Create(this);
m_rootb.Reconstruct();
saveSelection.SetSelection(true);
}
if (!newVal && ClickInvisibleSpace)
{
TurnOffClickInvisibleSpace();
}
break;
case "ClickInvisibleSpace":
newVal = ClickInvisibleSpace;
if (newVal == m_fClickInsertsZws)
{
return;
}
m_fClickInsertsZws = newVal;
if (newVal && !ShowInvisibleSpaces)
{
TurnOnShowInvisibleSpaces();
}
break;
default:
break;
}
}
