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/* -*- Mode: Vala; indent-tabs-mode: nil; tab-width: 4 -*-
*
* Copyright (C) 2012 Canonical Ltd
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
public class EmailAutocompleter
{
private Gtk.Entry entry;
private string[] domains;
private string prevText = "";
private void entry_changed ()
{
if (entry.text.length < prevText.length)
{
/* Do nothing on erases of text */
prevText = entry.text;
return;
}
prevText = entry.text;
int first_at = entry.text.index_of ("@");
if (first_at != -1)
{
int second_at = entry.text.index_of ("@", first_at + 1);
if (second_at == -1)
{
/* We have exactly one @ */
string text_after_at = entry.text.slice (first_at + 1, entry.text.length);
/* Find first prefix match */
int match = -1;
for (int i = 0; match == -1 && i < domains.length; ++i)
{
if (domains[i].has_prefix (text_after_at))
match = i;
}
if (match != -1)
{
/* Calculate the suffix part we need to add */
var best_match = domains[match];
var text_to_add = best_match.slice (text_after_at.length, best_match.length);
if (text_to_add.length > 0)
{
entry.text = entry.text + text_to_add;
/* TODO This is quite ugly/hacky :-/ */
Timeout.add (0, () =>
{
entry.select_region (entry.text.length - text_to_add.length, entry.text.length);
return false;
});
}
}
}
}
}
public EmailAutocompleter (Gtk.Entry e, string[] email_domains)
{
entry = e;
domains = email_domains;
entry.changed.connect (entry_changed);
}
}
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