/// <summary>
/// Called when the text in the TextBox changes.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private async void EditorTextChanged(object sender, EventArgs e)
{
Text = _editor.Text;
if (_popup != null)
{
string inputText = Text;
if (inputText.ToLowerInvariant().StartsWith("new"))
{
inputText = inputText.Substring(3).Trim();
}
IntellisenseEntry targetNode = await IntellisenseData.SearchNodesAsync(AddScopedNamespaces(inputText)) ??
IntellisenseData;
if (targetNode.Children.Count == 0)
{
DestroyPopup();
}
else
{
_popup.DataContext = targetNode.Children;
}
}
var textChanged = TextChanged;
if (textChanged != null)
{
textChanged.Invoke(this, EventArgs.Empty);
}
}
/// <summary>
/// This is called just before a new key is added to the text box.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private async void EditorPreviewKeyDown(object sender, KeyEventArgs e)
{
bool isControlKeyDown = (Keyboard.Modifiers & ModifierKeys.Control) == ModifierKeys.Control;
// Move up/down the list
if (e.Key == Key.Up || e.Key == Key.Down)
{
if (_popup == null || !_popup.IsOpen)
{
return;
}
_popup.SelectedIndex = (e.Key == Key.Up) ? _popup.SelectedIndex - 1 : _popup.SelectedIndex + 1;
e.Handled = true;
}
else if (e.Key == Key.PageUp)
{
if (_popup == null || !_popup.IsOpen)
{
return;
}
_popup.SelectedIndex = _popup.SelectedIndex - 5;
e.Handled = true;
}
else if (e.Key == Key.PageDown)
{
if (_popup == null || !_popup.IsOpen)
{
return;
}
_popup.SelectedIndex = _popup.SelectedIndex + 5;
e.Handled = true;
}
else if (e.Key == Key.Home || e.Key == Key.End)
{
if (_popup == null || !_popup.IsOpen)
{
return;
}
_popup.SelectedIndex = (e.Key == Key.Home) ? 0 : _popup.ItemCount - 1;
e.Handled = true;
}
// Close the popup
else if (e.Key == Key.Escape)
{
DestroyPopup();
_startText = string.Empty;
e.Handled = true;
}
// CTRL+Space or "."
else if ((e.Key == Key.Decimal || e.Key == Key.OemPeriod) ||
(e.Key == Key.Space && isControlKeyDown))
{
if (_popup == null || !_popup.IsOpen)
{
string rawText = _editor.Text;
int pos = Math.Max(Math.Max(
rawText.LastIndexOf(".", StringComparison.Ordinal),
rawText.LastIndexOf("(", StringComparison.Ordinal)),
rawText.LastIndexOf(" ", StringComparison.Ordinal));
_startText = (pos == -1) ? rawText : rawText.Substring(0, pos + 1);
string inputText = rawText;
if (inputText.ToLowerInvariant().StartsWith("new "))
{
inputText = inputText.Substring(4);
}
if (e.Key == Key.Decimal || e.Key == Key.OemPeriod)
{
inputText = inputText + ".";
}
IntellisenseEntry intellisenseList =
await IntellisenseData.SearchNodesAsync(AddScopedNamespaces(inputText)) ?? IntellisenseData;
CreatePopup(intellisenseList.Children);
e.Handled = (e.Key == Key.Space && isControlKeyDown);
}
}
else if (e.Key == Key.Return || e.Key == Key.Enter || e.Key == Key.Space || e.Key == Key.Tab)
{
if (_popup == null || !_popup.IsOpen)
{
return;
}
IntellisenseEntry selectedItem = _popup.SelectedItem;
if (selectedItem != null)
{
CommitIntellisenseNode(selectedItem);
e.Handled = true;
}
}
}
public void GetEntities()
{
Entities = new IntellisenseData().GetEntities(ServerConnection);
}
