protected override void OnKeyUp(KeyEventArgs e)
{
base.OnKeyUp(e);
//if (e.Key != System.Windows.Input.Key.OemPeriod)
// return;
if ((PartTextBox == null) || (PartTextBox.CaretIndex == 0))
{
return;
}
// Get the last word in the text (preceding the ".")
string txt = PartTextBox.Text;
int wordStart = txt.LastIndexOf(' ', PartTextBox.CaretIndex - 1);
if (wordStart == -1)
{
wordStart = 0;
}
string lastWord = txt.Substring(wordStart, PartTextBox.CaretIndex - wordStart);
// Check if the last word equal to the one we're waiting
//if (lastWord.Trim().ToLower() != "item.")
// return;
ShowPopup(PartTextBox.GetRectFromCharacterIndex(PartTextBox.CaretIndex, true));
}
private void OnPartListKeyDown(object sender, System.Windows.Input.KeyEventArgs e)
{
switch (e.Key)
{
case System.Windows.Input.Key.Enter:
// Hide the Popup
PartPopUp.IsOpen = false;
ListBox lb = sender as ListBox;
if (lb == null)
{
return;
}
// Get the selected item value
var country = lb.SelectedValue as Country;
// Save the Caret position
var textToInsert = $"{country.Name}-{country.Code}:Lat:{country.Latitude} , lon:{country.Longitude}";
int i = PartTextBox.CaretIndex;
// Add text to the text
PartTextBox.Text = PartTextBox.Text.Insert(i, textToInsert);
// Move the caret to the end of the added text
PartTextBox.CaretIndex = i + textToInsert.Length;
// Move focus back to the text box.
// This will auto-hide the PopUp due to StaysOpen="false"
PartTextBox.Focus();
break;
case System.Windows.Input.Key.Escape:
// Hide the Popup
PartPopUp.IsOpen = false;
break;
}
}
