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MDL-49582 core_lib: Add button to allow user to reset table preferences

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This commit is contained in:
Tony Butler 2015-03-18 16:33:41 +00:00
parent e1d4e288ac
commit bf7c844e94
2 changed files with 37 additions and 0 deletions
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1
lang/en/moodle.php
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@ -1530,6 +1530,7 @@ $string['resetnotimplemented'] = 'Reset not implemented';
$string['resetrecordexpired'] = 'The password reset link you used is more than {$a} minutes old and has expired. Please initiate a new password reset.';
$string['resetstartdate'] = 'Reset start date';
$string['resetstatus'] = 'Status';
$string['resettable'] = 'Reset table preferences';
$string['resettask'] = 'Task';
$string['resettodefaults'] = 'Reset to defaults';
$string['resortsubcategoriesby'] = 'Sort subcategories by {$a} ascending';

36
lib/tablelib.php
View file

@ -34,6 +34,7 @@ define('TABLE_VAR_SHOW', 3);
define('TABLE_VAR_IFIRST', 4);
define('TABLE_VAR_ILAST', 5);
define('TABLE_VAR_PAGE', 6);
define('TABLE_VAR_RESET', 7);
/**#@-*/
/**#@+
@ -138,6 +139,7 @@ class flexible_table {
TABLE_VAR_IFIRST => 'tifirst',
TABLE_VAR_ILAST => 'tilast',
TABLE_VAR_PAGE => 'page',
TABLE_VAR_RESET => 'treset'
);
}
@ -508,6 +510,17 @@ class flexible_table {
$this->prefs['i_first'] = $ifirst;
}
// Allow user to reset table preferences.
if (optional_param($this->request[TABLE_VAR_RESET], 0, PARAM_BOOL) === 1) {
$this->prefs = array(
'collapse' => array(),
'sortby' => array(),
'i_first' => '',
'i_last' => '',
'textsort' => $this->column_textsort,
);
}
// Save user preferences if they have changed.
if ($this->prefs != $oldprefs) {
if ($this->persistent) {
@ -971,6 +984,10 @@ class flexible_table {
*/
function print_nothing_to_display() {
global $OUTPUT;
// Render button to allow user to reset table preferences.
echo $this->render_reset_button();
$this->print_initials_bar();
echo $OUTPUT->heading(get_string('nothingtodisplay'));
@ -1325,6 +1342,10 @@ class flexible_table {
*/
function start_html() {
global $OUTPUT;
// Render button to allow user to reset table preferences.
echo $this->render_reset_button();
// Do we need to print initial bars?
$this->print_initials_bar();
@ -1363,6 +1384,21 @@ class flexible_table {
}
return $string;
}
/**
* Generate the HTML for the table preferences reset button.
*
* @return string HTML fragment.
*/
private function render_reset_button() {
$url = $this->baseurl->out(false, array($this->request[TABLE_VAR_RESET] => 1));
$html = html_writer::start_div('mdl-right');
$html .= html_writer::link($url, get_string('resettable'));
$html .= html_writer::end_div();
return $html;
}
}