private IInputHandler CreateCodeCompletionInputHandler()
{
var inputHandler = new InputCommandsHandler(editview);
AddCommandBinding(inputHandler, CodeCompletionCommands.SelectPreviousCompletion, ModifierKeys.None, Key.Up, new ExecutedRoutedEventHandler(SelectPreviousCompletion), new CanExecuteRoutedEventHandler(CanOperate));
AddCommandBinding(inputHandler, CodeCompletionCommands.SelectNextCompletion, ModifierKeys.None, Key.Down, new ExecutedRoutedEventHandler(SelectNextCompletion), new CanExecuteRoutedEventHandler(CanOperate));
AddCommandBinding(inputHandler, CodeCompletionCommands.SelectFirstCompletion, ModifierKeys.None, Key.Home, new ExecutedRoutedEventHandler(SelectFirstCompletion), new CanExecuteRoutedEventHandler(CanOperate));
AddCommandBinding(inputHandler, CodeCompletionCommands.SelectLastCompletion, ModifierKeys.None, Key.End, new ExecutedRoutedEventHandler(SelectLastCompletion), new CanExecuteRoutedEventHandler(CanOperate));
AddCommandBinding(inputHandler, CodeCompletionCommands.SelectPreviousPageCompletion, ModifierKeys.None, Key.PageUp, new ExecutedRoutedEventHandler(SelectPreviousPageCompletion), new CanExecuteRoutedEventHandler(CanOperate));
AddCommandBinding(inputHandler, CodeCompletionCommands.SelectNextPageCompletion, ModifierKeys.None, Key.PageDown, new ExecutedRoutedEventHandler(SelectNextPageCompletion), new CanExecuteRoutedEventHandler(CanOperate));
return(inputHandler);
}
private void OnCompletionListSelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (_completionList._listBox.SelectedIndex >= 0)
{
if (!_enterCommandPushed)
{
if (_completionRequestInputHandler == null)
{
var inputHandler = new InputCommandsHandler(_editview);
var cmdBinding = new CommandBinding(CodeCompletionCommands.RequestCompletion, new ExecutedRoutedEventHandler(OnCompletionRequest));
inputHandler.CommandBindings.Add(cmdBinding);
inputHandler.InputBindings.Add(new KeyBinding(CodeCompletionCommands.RequestCompletion, Key.Enter, ModifierKeys.None));
inputHandler.CommandBindings.Add(cmdBinding);
inputHandler.InputBindings.Add(new KeyBinding(CodeCompletionCommands.RequestCompletion, Key.Tab, ModifierKeys.None));
_completionRequestInputHandler = inputHandler;
}
_editview.PushInputHandler(_completionRequestInputHandler);
_enterCommandPushed = true;
}
ICompletionData completion = _completionList._listBox.SelectedItem as ICompletionData;
Object description = completion.Description;
if (description != null)
{
if (description is UIElement)
{
_tip.Content = description;
}
else
{
var textblock = new TextBlock
{
Text = description.ToString(),
TextWrapping = TextWrapping.Wrap,
};
_tip.Content = textblock;
}
_tip.IsOpen = true;
}
}
else
{
_tip.IsOpen = false;
}
}
private void AddCommandBinding(InputCommandsHandler commandsHandler, ICommand command, ModifierKeys modifiers, Key key, ExecutedRoutedEventHandler executeHandler, CanExecuteRoutedEventHandler canExecuteHandler = null)
{
commandsHandler.CommandBindings.Add(new CommandBinding(command, executeHandler, canExecuteHandler));
commandsHandler.InputBindings.Add(CreateFrozenKeyBinding(command, modifiers, key));
}
