private void UpdateCurrentSuggestionSource()
{
LogTo.Debug("Update started.");
var start = DateTime.Now;
var htmlCtrls = ContentUtils.GetHtmlCtrls();
if (htmlCtrls == null)
{
LogTo.Debug("Failed to update current suggestion source because htmlCtrls was null");
return;
}
var newSuggestionss = BaseSuggestions.Copy();
foreach (var htmlCtrl in htmlCtrls)
{
var doc = htmlCtrl?.GetDocument();
var text = doc?.body?.innerText;
if (string.IsNullOrEmpty(text))
{
continue;
}
var words = SplitIntoWords(text);
if (words == null)
{
return;
}
newSuggestionss.AddWords(words);
}
CurrentSuggestions = newSuggestionss;
LogTo.Debug("Update took: " + (DateTime.Now - start).TotalMilliseconds.ToString() + "ms");
}
/// <summary>
/// Subscribe to keydown and keyup events
/// </summary>
private void SubscribeToHtmlEvents()
{
CurrentPopup = null;
var htmlCtrls = ContentUtils.GetHtmlCtrls();
if (htmlCtrls == null)
{
return;
}
foreach (var ctrl in htmlCtrls)
{
var doc = ctrl?.GetDocument();
var body = doc?.body as IHTMLElement2;
if (body == null)
{
return;
}
SubscribeToContentChangedEvents(body);
SubscribeToKeyupEvent(body);
SubscribeToKeydownEvent(body);
}
}
private bool SelectPlaceholder(bool forward = true)
{
var selObj = ContentUtils.GetSelectionObject();
if (selObj != null)
{
selObj.collapse(!forward);
if (selObj.findText("<++>", Flags: forward ? 0 : 1))
{
selObj.select();
return(true);
}
}
return(false);
}
private void ShowNewAutocompleteWdw(IEnumerable <string> matches, string lastWord)
{
System.Windows.Application.Current.Dispatcher.BeginInvoke((Action)(() =>
{
try
{
var wdw = ContentUtils.GetFocusedHtmlWindow() as IHTMLWindow4;
var htmlDoc = ((IHTMLWindow2)wdw)?.document;
if (wdw == null || htmlDoc == null)
{
return;
}
LogTo.Debug("Creating and showing a new Autocomplete popup");
CurrentPopup = wdw.CreatePopup();
CurrentPopup.Show(matches, lastWord);
}
catch (UnauthorizedAccessException) { }
catch (RemotingException) { }
}));
}
private void HandleKeyUp(HtmlKeyInfo info)
{
if (!Enabled)
{
return;
}
if (info.Key == Keys.None || info.Modifiers != KeyModifiers.None || info.Key == Keys.Escape)
{
return;
}
if ((info.Key == Keys.Up) ||
info.Key == Keys.Right ||
info.Key == Keys.Down ||
(info.Key == Keys.J && info.Modifiers == KeyModifiers.Ctrl) ||
(info.Key == Keys.K && info.Modifiers == KeyModifiers.Ctrl))
{
LogTo.Debug("KeyUp: Ignoring because it was an arrow key.");
return;
}
else if (info.Key == Keys.Escape)
{
LogTo.Debug("KeyUp: Escape pressed, closing popup");
CurrentPopup?.Hide();
return;
}
var selObj = ContentUtils.GetSelectionObject();
if (selObj == null || !string.IsNullOrEmpty(selObj.text))
{
return;
}
var lastWord = ContentUtils.GetLastPartialWord(selObj);
if (lastWord == null || string.IsNullOrEmpty(lastWord))
{
CurrentPopup?.Hide();
return;
}
var matches = CurrentSuggestions.GetWords(lastWord);
if (matches == null || !matches.Any())
{
CurrentPopup?.Hide();
return;
}
if (matches.Count() == 1 && matches.First() == lastWord)
{
CurrentPopup?.Hide();
return;
}
if (CurrentPopup == null)
{
ShowNewAutocompleteWdw(matches, lastWord);
}
else
{
CurrentPopup?.Show(matches, lastWord);
}
}
public bool InsertSelectedItem()
{
try
{
string word = null;
if (_popup == null)
{
return(false);
}
var selItem = GetSelectedItem();
if (selItem == null)
{
return(false);
}
var selObj = ContentUtils.GetSelectionObject();
if (selObj == null)
{
return(false);
}
// Replace the last partial word
while (selObj.moveStart("character", -1) == -1)
{
if (string.IsNullOrEmpty(selObj.text))
{
return(false);
}
char first = selObj.text.First();
if (char.IsWhiteSpace(first))
{
selObj.moveStart("character", 1);
break;
}
// Break if word contains punctuation
else if (char.IsPunctuation(first))
{
break;
}
}
word = selItem.innerText;
if (Svc <AutocompleterPlugin> .Plugin.Converter.ContainsKey(word))
{
word = Svc <AutocompleterPlugin> .Plugin.Converter[word];
}
Hide();
selObj.text = word;
if (word.Contains("<++>"))
{
var sel = ContentUtils.GetSelectionObject();
sel.moveEnd("character", -word.Length);
sel.select();
}
return(true);
}
catch (RemotingException) { }
catch (UnauthorizedAccessException) { }
catch (COMException) { }
return(false);
}