/// <summary>
/// Create the cloze hint.
/// TODO: Add proper UI locking when methods are available
/// </summary>
private void CreateClozeHint()
{
/// It is not currently possible to modify an SM element without it being
/// the currently displayed SM Element. Therefore to add the cloze hint
/// this first generates the cloze, then navigates to
/// the new cloze element to modify it, then returns to the original element
// Cancel if there is no currently selected text
if (ContentUtils.GetSelectedText().IsNullOrEmpty())
{
return;
}
var wdw = OpenClozeHintWdw();
if (wdw.IsNull())
{
return;
}
ClozeLocation Location = wdw.Location;
string Hint = wdw.Hint;
if (Hint.IsNullOrEmpty())
{
return;
}
// The current element we are executing GenerateCloze on
int restoreElementId = Svc.SM.UI.ElementWdw.CurrentElementId;
// The newly created element
int newClozeId = Svc.SM.UI.ElementWdw.GenerateCloze();
if (newClozeId < 0)
{
string msg = "Failed to create cloze: GenerateCloze method failed.";
MessageBox.Show(msg);
LogTo.Debug(msg);
return;
}
// Move to the new cloze, add the cloze hint
Svc.SM.UI.ElementWdw.GoToElement(newClozeId);
// TODO: Loop over htmlCtrls for the first control with a cloze symbol
var htmlCtrl = ContentUtils.GetClozeHtmlControl();
var text = htmlCtrl?.Text;
var htmlDoc = htmlCtrl?.GetDocument();
var body = htmlDoc?.body as IHTMLBodyElement;
if (text.IsNullOrEmpty() || htmlCtrl.IsNull() || body.IsNull())
{
string msg = "Failed to create cloze: Failed to get text from the generated item";
MessageBox.Show(msg);
LogTo.Error(msg);
return;
}
string replacement = Location == ClozeLocation.Inside
? $"[{Hint}]"
: $"[...]({Hint})";
htmlCtrl.Text = htmlCtrl.Text.Replace("[...]", replacement);
// Return to the parent element
Svc.SM.UI.ElementWdw.GoToElement(restoreElementId);
}
