public override bool ConsumeKey(Key key)
{
if ((Keyboard.IsKeyDown(Key.LeftShift) || Keyboard.IsKeyDown(Key.RightShift)) && (new[] { Key.Right, Key.Left, Key.Up, Key.Down, Key.Home, Key.End }).Contains(key))
{
if (!IsSelecting)
{
IsSelecting = true;
((RowContainer)ActiveChild).StartSelection();
}
ActiveChild.Select(key);
AdjustCarets();
return(true);
}
Key[] handledKeys = { Key.Left, Key.Right, Key.Delete, Key.Up, Key.Down, Key.Enter, Key.Escape, Key.Back, Key.Home, Key.End };
bool result = false;
if (handledKeys.Contains(key))
{
result = true;
if (IsSelecting && (new[] { Key.Delete, Key.Enter, Key.Back }).Contains(key))
{
ActiveChild.RemoveSelection(true);
}
else
{
ActiveChild.ConsumeKey(key);
}
CalculateSize();
AdjustCarets();
DeSelect();
}
return(result);
}
public override void RemoveSelection(bool registerUndo)
{
if (IsSelecting)
{
ActiveChild.RemoveSelection(registerUndo);
CalculateSize();
AdjustCarets();
DeSelect();
}
}
public override void ConsumeText(string text)
{
int undoCount = UndoManager.UndoCount + 1;
if (IsSelecting)
{
ActiveChild.RemoveSelection(true);
}
ActiveChild.ConsumeText(text);
if (IsSelecting && undoCount < UndoManager.UndoCount)
{
UndoManager.ChangeUndoCountOfLastAction(1);
}
CalculateSize();
AdjustCarets();
DeSelect();
}
public override void Paste(XElement xe)
{
string id = xe.Element("SessionId").Value;
if (id != sessionString)
{
textManager.ProcessPastedXML(xe);
}
int undoCount = UndoManager.UndoCount + 1;
if (IsSelecting)
{
ActiveChild.RemoveSelection(true);
}
ActiveChild.Paste(xe.Element("payload").Elements().First());
if (IsSelecting && undoCount < UndoManager.UndoCount)
{
UndoManager.ChangeUndoCountOfLastAction(1);
}
CalculateSize();
AdjustCarets();
DeSelect();
}
public void HandleUserCommand(CommandDetails commandDetails)
{
if (commandDetails.CommandType == CommandType.Text)
{
ConsumeText(commandDetails.UnicodeString); //ConsumeText() will call DeSelect() itself. No worries here
}
else
{
int undoCount = UndoManager.UndoCount + 1;
if (IsSelecting)
{
ActiveChild.RemoveSelection(true);
}
((EquationContainer)ActiveChild).ExecuteCommand(commandDetails.CommandType, commandDetails.CommandParam);
if (IsSelecting && undoCount < UndoManager.UndoCount)
{
UndoManager.ChangeUndoCountOfLastAction(1);
}
CalculateSize();
AdjustCarets();
DeSelect();
}
}
