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MDL-29244 Users: Fixed filter for selecting users who never logged in…
… and course roles dropdown show all revelent roles
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Rajesh Taneja
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Oct 3, 2011
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,139 @@ | ||
| <?php | ||
| // This file is part of Moodle - http://moodle.org/ | ||
| // | ||
| // Moodle 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 3 of the License, or | ||
| // (at your option) any later version. | ||
| // | ||
| // Moodle 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 Moodle. If not, see <http://www.gnu.org/licenses/>. | ||
|
|
||
| /** | ||
| * Generic checkbox filter. | ||
| * | ||
| * This will create generic filter with checkbox option and can be used for | ||
| * disabling other elements for specific condition. | ||
| * | ||
| * @package user | ||
| * @copyright 2011 Rajesh Taneja | ||
| * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later | ||
| */ | ||
|
|
||
| defined('MOODLE_INTERNAL') || die(); | ||
|
|
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| require_once($CFG->dirroot.'/user/filters/lib.php'); | ||
|
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| /** | ||
| * Generic filter based for checkbox and can be used for disabling items | ||
| */ | ||
| class user_filter_checkbox extends user_filter_type { | ||
| /** | ||
| * list of all the fields which needs to be disabled, if checkbox is checked | ||
| * @var array | ||
| */ | ||
| protected $disableelements = array(); | ||
|
|
||
| /** | ||
| * name of user table field/fields on which data needs to be compared | ||
| * @var mixed | ||
| */ | ||
| protected $field; | ||
|
|
||
| /** | ||
| * Constructor, initalize user_filter_type and sets $disableelements array | ||
| * with list of elements to be diabled by checkbox. | ||
| * | ||
| * @param string $name the name of the filter instance | ||
| * @param string $label the label of the filter instance | ||
| * @param boolean $advanced advanced form element flag | ||
| * @param mixed $field user table field/fields name for comparison | ||
| * @param array $disableelements name of fields which should be disabled if this checkbox is checked. | ||
| */ | ||
| public function __construct($name, $label, $advanced, $field, $disableelements=null) { | ||
| parent::__construct($name, $label, $advanced); | ||
| $this->field = $field; | ||
| if (!empty($disableelements)) { | ||
| if (!is_array($disableelements)) { | ||
| $this->disableelements = array($disableelements); | ||
| } else { | ||
| $this->disableelements = $disableelements; | ||
| } | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * Adds controls specific to this filter in the form. | ||
| * | ||
| * @param moodleform $mform a MoodleQuickForm object in which element will be added | ||
| */ | ||
| public function setupForm(MoodleQuickForm &$mform) { | ||
| $objs = array(); | ||
|
|
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| $objs[] = $mform->createElement('checkbox', $this->_name, null, ''); | ||
| $grp = $mform->addElement('group', $this->_name.'_grp', $this->_label, $objs, '', false); | ||
|
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| if ($this->_advanced) { | ||
| $mform->setAdvanced($this->_name.'_grp'); | ||
| } | ||
| //Check if disable if options are set. if yes then set rules | ||
| if (!empty($this->disableelements) && is_array($this->disableelements)) { | ||
| foreach ($this->disableelements as $disableelement) { | ||
| $mform->disabledIf($disableelement, $this->_name, 'checked'); | ||
| } | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * Retrieves data from the form data | ||
| * | ||
| * @param object $formdata data submited with the form | ||
| * @return mixed array filter data or false when filter not set | ||
| */ | ||
| public function check_data($formdata) { | ||
| $field = $this->_name; | ||
| //Check if disable if options are set. if yes then don't add this. | ||
| if (!empty($this->disableelements) && is_array($this->disableelements)) { | ||
| foreach ($this->disableelements as $disableelement) { | ||
| if (array_key_exists($disableelement, $formdata)) { | ||
| return false; | ||
| } | ||
| } | ||
| } | ||
| if (array_key_exists($field, $formdata) and $formdata->$field !== '') { | ||
| return array('value' => (string)$formdata->$field); | ||
| } | ||
| return false; | ||
| } | ||
|
|
||
| /** | ||
| * Returns the condition to be used with SQL where | ||
| * | ||
| * @param array $data filter settings | ||
| * @return array sql string and $params | ||
| */ | ||
| public function get_sql_filter($data) { | ||
| $field = $this->field; | ||
| if (is_array($field)) { | ||
| $res = " {$field[0]} = {$field[1]} "; | ||
| } else { | ||
| $res = " {$field} = 0 "; | ||
| } | ||
| return array($res, array()); | ||
| } | ||
|
|
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| /** | ||
| * Returns a human friendly description of the filter used as label. | ||
| * | ||
| * @param array $data filter settings | ||
| * @return string active filter label | ||
| */ | ||
| public function get_label($data) { | ||
| return $this->_label; | ||
| } | ||
| } |
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