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MDL-67915 core_table: add support for hide and show of columns

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This commit is contained in:
Simey Lameze
2020-04-24 18:23:34 +08:00
parent 9df4a4de18
commit e2f12c2220
12 changed files with 131 additions and 31 deletions
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lib/tablelib.php
+48 -21
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@@ -154,6 +154,9 @@ class flexible_table {
/** @var $filename */
protected $filename;
/** @var array $hiddencolumns List of hidden columns. */
protected $hiddencolumns;
/**
* Constructor
* @param string $uniqueid all tables have to have a unique id, this is used
@@ -511,25 +514,7 @@ class flexible_table {
$oldprefs = $this->prefs;
}
if (($showcol = optional_param($this->request[TABLE_VAR_SHOW], '', PARAM_ALPHANUMEXT)) &&
isset($this->columns[$showcol])) {
$this->prefs['collapse'][$showcol] = false;
} else if (($hidecol = optional_param($this->request[TABLE_VAR_HIDE], '', PARAM_ALPHANUMEXT)) &&
isset($this->columns[$hidecol])) {
$this->prefs['collapse'][$hidecol] = true;
if (array_key_exists($hidecol, $this->prefs['sortby'])) {
unset($this->prefs['sortby'][$hidecol]);
}
}
// Now, update the column attributes for collapsed columns
foreach (array_keys($this->columns) as $column) {
if (!empty($this->prefs['collapse'][$column])) {
$this->column_style[$column]['width'] = '10px';
}
}
$this->set_hide_show_preferences();
$this->set_sorting_preferences();
$this->set_initials_preferences();
@@ -1205,14 +1190,18 @@ class flexible_table {
if (!empty($this->prefs['collapse'][$column])) {
$linkattributes = array('title' => get_string('show') . ' ' . strip_tags($this->headers[$index]),
'aria-expanded' => 'false',
'aria-controls' => $ariacontrols);
'aria-controls' => $ariacontrols,
'data-action' => 'show',
'data-column' => $column);
return html_writer::link($this->baseurl->out(false, array($this->request[TABLE_VAR_SHOW] => $column)),
$OUTPUT->pix_icon('t/switch_plus', get_string('show')), $linkattributes);
} else if ($this->headers[$index] !== NULL) {
$linkattributes = array('title' => get_string('hide') . ' ' . strip_tags($this->headers[$index]),
'aria-expanded' => 'true',
'aria-controls' => $ariacontrols);
'aria-controls' => $ariacontrols,
'data-action' => 'hide',
'data-column' => $column);
return html_writer::link($this->baseurl->out(false, array($this->request[TABLE_VAR_HIDE] => $column)),
$OUTPUT->pix_icon('t/switch_minus', get_string('hide')), $linkattributes);
}
@@ -1380,6 +1369,43 @@ class flexible_table {
}
/**
* Set hide and show preferences.
*/
protected function set_hide_show_preferences(): void {
if ($this->hiddencolumns !== null) {
$this->prefs['collapse'] = array_fill_keys(array_filter($this->hiddencolumns, function($column) {
return array_key_exists($column, $this->columns);
}), true);
} else {
if ($column = optional_param($this->request[TABLE_VAR_HIDE], '', PARAM_ALPHANUMEXT)) {
if (isset($this->columns[$column])) {
$this->prefs['collapse'][$column] = true;
}
}
}
if ($column = optional_param($this->request[TABLE_VAR_SHOW], '', PARAM_ALPHANUMEXT)) {
unset($this->prefs['collapse'][$column]);
}
foreach (array_keys($this->prefs['collapse']) as $column) {
if (array_key_exists($column, $this->prefs['sortby'])) {
unset($this->prefs['sortby'][$column]);
}
}
}
/**
* Set the list of hidden columns.
*
* @param array $columns The list of hidden columns.
*/
public function set_hidden_columns(array $columns): void {
$this->hiddencolumns = $columns;
}
/**
* Set the preferred table sorting attributes.
*
@@ -1540,6 +1566,7 @@ class flexible_table {
'data-table-last-initial' => $this->prefs['i_last'],
'data-table-page-number' => $this->currpage + 1,
'data-table-page-size' => $this->pagesize,
'data-table-hidden-columns' => json_encode(array_keys($this->prefs['collapse'])),
]);
}