public bool ApplyChanges(bool ask = false)
{
if (ask)
{
var msg = MessageBox.Show("Apply changes to synonyms?", "SteelQuiz", MessageBoxButtons.YesNo, MessageBoxIcon.Question);
if (msg == DialogResult.No)
{
return(false);
}
}
if (txt_synonymAdd.Text != "" && !lst_synonyms.Items.Contains(txt_synonymAdd.Text))
{
var msg = MessageBox.Show("Warning! The textbox contains text not added to the list. Add it to the list before applying?", "SteelQuiz",
MessageBoxButtons.YesNoCancel, MessageBoxIcon.Warning);
if (msg == DialogResult.Yes)
{
if (!AddSynonym())
{
return(false);
}
}
else if (msg == DialogResult.Cancel)
{
return(false);
}
}
var oldSynonyms = Synonyms.Clone().ToList();
var newSynonyms = lst_synonyms.Items.OfType <string>().ToList();
QuizEditor.UndoStack.Push(new UndoRedoActionPair(
new Action[] { () => { Synonyms = oldSynonyms; } },
new Action[] { () => { Synonyms = newSynonyms; } },
"Change Synonyms",
new OwnerControlData(this, QuizEditor)));
QuizEditor.ChangedSinceLastSave = true;
QuizEditor.UpdateUndoRedoTooltips();
Synonyms = newSynonyms;
// update last saved state
initialListBoxCollection = new object[lst_synonyms.Items.Count];
lst_synonyms.Items.CopyTo(initialListBoxCollection, 0);
return(true);
}