/// <summary>
/// Called when focus is lost</summary>
/// <param name="e">Event args</param>
protected override void OnLostFocus(RoutedEventArgs e)
{
base.OnLostFocus(e);
IsEditing = false;
ValueEditorUtil.ExecuteCommand(LostFocusCommand, this, null);
e.Handled = true;
}
/// <summary>
/// Called when the text changes</summary>
/// <param name="e">Event args</param>
protected override void OnTextChanged(TextChangedEventArgs e)
{
base.OnTextChanged(e);
if (!m_ignoreTextChanges)
{
ValueEditorUtil.ExecuteCommand(this.TextChangedCommand, this, base.Text);
if (IsEditing)
{
m_lostFocusAction = LostFocusAction.Commit;
}
}
}
private void CommitChange()
{
if (!m_transactionOpen)
{
ValueEditorUtil.ExecuteCommand(BeginCommand, this, null);
}
ValueEditorUtil.UpdateBinding(this, ValueProperty, false);
ValueEditorUtil.ExecuteCommand(CommitCommand, this, null);
m_transactionOpen = false;
ValueEditorUtil.UpdateBinding(this, ValueProperty, UpdateBindingType.Target);
UpdateTextFromValue();
}
private void OnFinishEditing()
{
var finishEditingCommand = FinishEditingCommand;
if (finishEditingCommand != null)
{
ValueEditorUtil.ExecuteCommand(finishEditingCommand, this, null);
}
else
{
//Keyboard.Focus(null);
MoveFocus(new TraversalRequest(FocusNavigationDirection.Next));
}
}
private void UpdateChange()
{
if (!m_transactionOpen)
{
ValueEditorUtil.ExecuteCommand(BeginCommand, this, null);
}
Value = UnFormat(Text);
ValueEditorUtil.ExecuteCommand(UpdateCommand, this, null);
m_transactionOpen = true;
ValueEditorUtil.UpdateBinding(this, ValueProperty, UpdateBindingType.Target);
UpdateTextFromValue();
}
/// <summary>
/// Called when a key is pressed</summary>
/// <param name="e">Event args</param>
protected override void OnKeyDown(KeyEventArgs e)
{
bool handlesCommitKeys = ValueEditorUtil.GetHandlesCommitKeys(this);
if (e.Key == Key.Return)
{
var lostFocusAction = m_lostFocusAction;
m_lostFocusAction = LostFocusAction.None;
bool shiftNone = (e.KeyboardDevice.Modifiers & ModifierKeys.Shift) == ModifierKeys.None;
if (lostFocusAction == LostFocusAction.Commit)
{
if (shiftNone)
{
CommitChange();
}
else
{
UpdateChange();
}
}
if (shiftNone)
{
OnFinishEditing();
}
e.Handled |= handlesCommitKeys;
}
else if ((e.Key == Key.Escape) && IsEditing)
{
var lostFocusAction = m_lostFocusAction;
m_lostFocusAction = LostFocusAction.None;
if (lostFocusAction != LostFocusAction.None)
{
CancelChange();
}
OnFinishEditing();
e.Handled |= handlesCommitKeys;
}
base.OnKeyDown(e);
}
