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MDL-55941 tablelib: Improve initialbar UX

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This commit is contained in:
Brendan Heywood
2017-03-24 20:04:41 +11:00
committed by Ilya Tregubov
parent 216ea39be7
commit d2df110950
3 changed files with 65 additions and 5 deletions
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lib/tablelib.php
+24 -3
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@@ -938,20 +938,41 @@ class flexible_table {
*/
protected function print_one_initials_bar($alpha, $current, $class, $title, $urlvar) {
echo html_writer::start_tag('div', array('class' => 'initialbar ' . $class)) .
$title . ' : ';
html_writer::tag('span', $title . ': ', array('class' => 'initialbarlabel'));
if ($current) {
echo html_writer::link($this->baseurl->out(false, array($urlvar => '')), get_string('all'));
echo html_writer::link($this->baseurl->out(false, array($urlvar => '')),
get_string('all'), array('class' => 'initialbarall'));
} else {
echo html_writer::tag('strong', get_string('all'));
echo html_writer::tag('strong', get_string('all'), array('class' => 'initialbarall'));
}
// We want to find a letter grouping size which suits the language so
// find the largest group size which is less than 15 chars. By always
// using a max number of groups which is a factor of 2, we always get
// nice wrapping, and the last row is always the shortest.
$groupsize = count($alpha);
$groups = 1;
while ($groupsize > 15) {
$groups *= 2;
$groupsize = ceil(count($alpha) / $groups);
}
echo html_writer::start_tag('span', array('class' => 'initialbargroups'));
echo html_writer::start_tag('span', array('class' => 'initialbargroup'));
$c = 0;
foreach ($alpha as $letter) {
if ($c++ > 0 && $c % $groupsize == 1) {
echo html_writer::end_tag('span') . ' ';
echo html_writer::start_tag('span', array('class' => 'initialbargroup'));
}
if ($letter === $current) {
echo html_writer::tag('strong', $letter);
} else {
echo html_writer::link($this->baseurl->out(false, array($urlvar => $letter)), $letter);
}
}
echo html_writer::end_tag('span');
echo html_writer::end_tag('span');
echo html_writer::end_tag('div');
}