Files
oddmuse/modules/wordcount.pl
2020-02-06 14:01:33 +01:00

60 lines
2.0 KiB
Perl

# Copyright (C) 2005 Robin V. Stacey (robin@greywulf.net)
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# 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, write to the
# Free Software Foundation, Inc.
# 59 Temple Place, Suite 330
# Boston, MA 02111-1307 USA
# This module adds a wordcount to the bottom of edit boxes. The javascript code is munged from
# Richard Livsey's Textarea Tools page: http://livsey.org/experiments/textareatools/
# Though I've stripped it down to it's barest necessities
use strict;
use v5.10;
our (@MyInitVariables, $HtmlHeaders);
AddModuleDescription('wordcount.pl', 'Word Count Extension');
push(@MyInitVariables, \&WordcountAddScript);
sub WordcountAddScript {
$HtmlHeaders .= "<script type='text/javascript'>
function addEvent(obj, evType, fn) {
if (obj.addEventListener) {
obj.addEventListener(evType, fn, true);
return true;
} else if (obj.attachEvent) {
var r = obj.attachEvent('on'+evType, fn);
return r;
} else { return false; }
}
addEvent(window, 'load', function() {
document.getElementById('textWordCount').innerHTML = numWords(document.getElementById('text').value);
document.getElementById('text').onkeyup = function() {
document.getElementById('textWordCount').innerHTML = numWords(document.getElementById('text').value);
}
});
function numWords(string) {
string = string + ' ';
string = string.replace(/^[^A-Za-z0-9]+/gi, '');
string = string.replace(/[^A-Za-z0-9]+/gi, ' ');
var items = string.split(' ');
return items.length -1;
}
</script>";
}