// TODO: Need better formula parsing story here
// Here are some ideas: http://fastexcel.wordpress.com/2013/10/27/parsing-functions-from-excel-formulas-using-vba-is-mid-or-a-byte-array-the-best-method/
void FormulaEditStateChanged(StateChangeTypeEnum stateChangeType)
{
// Check for watcher already disposed
// CONSIDER: How to manage threading with disposal...?
if (_formulaEditWatcher == null)
{
return;
}
if (stateChangeType == StateChangeTypeEnum.Move && _argumentsToolTip != null)
{
_argumentsToolTip.MoveToolTip(
(int)_formulaEditWatcher.EditWindowBounds.Left, (int)_formulaEditWatcher.EditWindowBounds.Bottom + 5);
return;
}
Debug.Print("^^^ FormulaEditStateChanged. CurrentPrefix: " + _formulaEditWatcher.CurrentPrefix);
if (_formulaEditWatcher.IsEditingFormula && _formulaEditWatcher.CurrentPrefix != null)
{
string prefix = _formulaEditWatcher.CurrentPrefix;
var match = Regex.Match(prefix, @"^=(?<functionName>\w*)\(");
if (match.Success)
{
string functionName = match.Groups["functionName"].Value;
IntelliSenseFunctionInfo functionInfo;
if (_functionInfoMap.TryGetValue(functionName, out functionInfo))
{
// It's ours!
if (_argumentsToolTip == null)
{
_argumentsToolTip = new ToolTipForm(_windowWatcher.MainWindow);
}
// TODO: Fix this: Need to consider subformulae
int currentArgIndex = _formulaEditWatcher.CurrentPrefix.Count(c => c == ',');
_argumentsToolTip.ShowToolTip(
GetFunctionIntelliSense(functionInfo, currentArgIndex),
(int)_formulaEditWatcher.EditWindowBounds.Left, (int)_formulaEditWatcher.EditWindowBounds.Bottom + 5);
return;
}
}
}
// All other paths, we just clear the box
if (_argumentsToolTip != null)
{
_argumentsToolTip.Hide();
}
}
public StateChangeEventArgs(StateChangeTypeEnum? stateChangeType = null)
{
StateChangeType = stateChangeType ?? StateChangeTypeEnum.Undefined;
}
public StateChangeEventArgs(StateChangeTypeEnum?stateChangeType = null)
{
StateChangeType = stateChangeType ?? StateChangeTypeEnum.Undefined;
}
// TODO: Need better formula parsing story here
// Here are some ideas: http://fastexcel.wordpress.com/2013/10/27/parsing-functions-from-excel-formulas-using-vba-is-mid-or-a-byte-array-the-best-method/
void FormulaEditStateChanged(StateChangeTypeEnum stateChangeType)
{
// Check for watcher already disposed
// CONSIDER: How to manage threading with disposal...?
if (_formulaEditWatcher == null) return;
if (stateChangeType == StateChangeTypeEnum.Move && _argumentsToolTip != null)
{
_argumentsToolTip.MoveToolTip(
(int)_formulaEditWatcher.EditWindowBounds.Left, (int)_formulaEditWatcher.EditWindowBounds.Bottom + 5);
return;
}
Debug.Print("^^^ FormulaEditStateChanged. CurrentPrefix: " + _formulaEditWatcher.CurrentPrefix);
if (_formulaEditWatcher.IsEditingFormula && _formulaEditWatcher.CurrentPrefix != null)
{
string prefix = _formulaEditWatcher.CurrentPrefix;
var match = Regex.Match(prefix, @"^=(?<functionName>\w*)\(");
if (match.Success)
{
string functionName = match.Groups["functionName"].Value;
IntelliSenseFunctionInfo functionInfo;
if (_functionInfoMap.TryGetValue(functionName, out functionInfo))
{
// It's ours!
if (_argumentsToolTip == null)
{
_argumentsToolTip = new ToolTipForm(_windowWatcher.MainWindow);
}
// TODO: Fix this: Need to consider subformulae
int currentArgIndex = _formulaEditWatcher.CurrentPrefix.Count(c => c == ',');
_argumentsToolTip.ShowToolTip(
GetFunctionIntelliSense(functionInfo, currentArgIndex),
(int)_formulaEditWatcher.EditWindowBounds.Left, (int)_formulaEditWatcher.EditWindowBounds.Bottom + 5);
return;
}
}
}
// All other paths, we just clear the box
if (_argumentsToolTip != null)
_argumentsToolTip.Hide();
}