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<?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/>.
/**
* This file contains the definition for the grading table which subclassses easy_table
*
* @package mod_assign
* @copyright 2012 NetSpot {@link http://www.netspot.com.au}
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
require_once($CFG->libdir.'/tablelib.php');
require_once($CFG->libdir.'/gradelib.php');
require_once($CFG->dirroot.'/mod/assign/locallib.php');
/**
* Extends table_sql to provide a table of assignment submissions
*
* @package mod_assign
* @copyright 2012 NetSpot {@link http://www.netspot.com.au}
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class assign_grading_table extends table_sql implements renderable {
/** @var assign $assignment */
private $assignment = null;
/** @var int $perpage */
private $perpage = 10;
/** @var int $rownum (global index of current row in table) */
private $rownum = -1;
/** @var renderer_base for getting output */
private $output = null;
/** @var stdClass gradinginfo */
private $gradinginfo = null;
/** @var int $tablemaxrows */
private $tablemaxrows = 10000;
/** @var boolean $quickgrading */
private $quickgrading = false;
/**
* overridden constructor keeps a reference to the assignment class that is displaying this table
*
* @param assign $assignment The assignment class
* @param int $perpage how many per page
* @param string $filter The current filter
* @param int $rowoffset For showing a subsequent page of results
* @param bool $quickgrading Is this table wrapped in a quickgrading form?
*/
function __construct(assign $assignment, $perpage, $filter, $rowoffset, $quickgrading) {
global $CFG, $PAGE, $DB;
parent::__construct('mod_assign_grading');
$this->assignment = $assignment;
$this->perpage = $perpage;
$this->quickgrading = $quickgrading;
$this->output = $PAGE->get_renderer('mod_assign');
$this->define_baseurl(new moodle_url($CFG->wwwroot . '/mod/assign/view.php', array('action'=>'grading', 'id'=>$assignment->get_course_module()->id)));
// do some business - then set the sql
$currentgroup = groups_get_activity_group($assignment->get_course_module(), true);
if ($rowoffset) {
$this->rownum = $rowoffset - 1;
}
$users = array_keys( $assignment->list_participants($currentgroup, true));
if (count($users) == 0) {
// insert a record that will never match to the sql is still valid.
$users[] = -1;
}
$params = array();
$params['assignmentid1'] = (int)$this->assignment->get_instance()->id;
$params['assignmentid2'] = (int)$this->assignment->get_instance()->id;
$fields = user_picture::fields('u') . ', u.id as userid, u.firstname as firstname, u.lastname as lastname, ';
$fields .= 's.status as status, s.id as submissionid, s.timecreated as firstsubmission, s.timemodified as timesubmitted, ';
$fields .= 'g.id as gradeid, g.grade as grade, g.timemodified as timemarked, g.timecreated as firstmarked, g.mailed as mailed, g.locked as locked';
$from = '{user} u LEFT JOIN {assign_submission} s ON u.id = s.userid AND s.assignment = :assignmentid1' .
' LEFT JOIN {assign_grades} g ON u.id = g.userid AND g.assignment = :assignmentid2';
$userparams = array();
$userindex = 0;
list($userwhere, $userparams) = $DB->get_in_or_equal($users, SQL_PARAMS_NAMED, 'user');
$where = 'u.id ' . $userwhere;
$params = array_merge($params, $userparams);
if ($filter == ASSIGN_FILTER_SUBMITTED) {
$where .= ' AND s.timecreated > 0 ';
}
if ($filter == ASSIGN_FILTER_REQUIRE_GRADING) {
$where .= ' AND (s.timemodified > g.timemodified OR g.timemodified IS NULL)';
}
if (strpos($filter, ASSIGN_FILTER_SINGLE_USER) === 0) {
$userfilter = (int) array_pop(explode('=', $filter));
$where .= ' AND (u.id = :userid)';
$params['userid'] = $userfilter;
}
$this->set_sql($fields, $from, $where, $params);
$columns = array();
$headers = array();
// Select
$columns[] = 'select';
$headers[] = get_string('select') . '<div class="selectall"><input type="checkbox" class="ignoredirty" name="selectall" title="' . get_string('selectall') . '"/></div>';
// Edit links
if (!$this->is_downloading()) {
$columns[] = 'edit';
$headers[] = get_string('edit');
}
// User picture
$columns[] = 'picture';
$headers[] = get_string('pictureofuser');
// Fullname
$columns[] = 'fullname';
$headers[] = get_string('fullname');
// Submission status
if ($assignment->is_any_submission_plugin_enabled()) {
$columns[] = 'status';
$headers[] = get_string('status');
}
// Grade
$columns[] = 'grade';
$headers[] = get_string('grade');
// Submission plugins
if ($assignment->is_any_submission_plugin_enabled()) {
$columns[] = 'timesubmitted';
$headers[] = get_string('lastmodifiedsubmission', 'assign');
foreach ($this->assignment->get_submission_plugins() as $plugin) {
if ($plugin->is_visible() && $plugin->is_enabled()) {
$columns[] = 'assignsubmission_' . $plugin->get_type();
$headers[] = $plugin->get_name();
}
}
}
// time marked
$columns[] = 'timemarked';
$headers[] = get_string('lastmodifiedgrade', 'assign');
// Feedback plugins
foreach ($this->assignment->get_feedback_plugins() as $plugin) {
if ($plugin->is_visible() && $plugin->is_enabled()) {
$columns[] = 'assignfeedback_' . $plugin->get_type();
$headers[] = $plugin->get_name();
}
}
// final grade
$columns[] = 'finalgrade';
$headers[] = get_string('finalgrade', 'grades');
// load the grading info for all users
$this->gradinginfo = grade_get_grades($this->assignment->get_course()->id, 'mod', 'assign', $this->assignment->get_instance()->id, $users);
if (!empty($CFG->enableoutcomes) && !empty($this->gradinginfo->outcomes)) {
$columns[] = 'outcomes';
$headers[] = get_string('outcomes', 'grades');
}
// set the columns
$this->define_columns($columns);
$this->define_headers($headers);
$this->no_sorting('finalgrade');
$this->no_sorting('edit');
$this->no_sorting('select');
$this->no_sorting('outcomes');
foreach ($this->assignment->get_submission_plugins() as $plugin) {
if ($plugin->is_visible() && $plugin->is_enabled()) {
$this->no_sorting('assignsubmission_' . $plugin->get_type());
}
}
foreach ($this->assignment->get_feedback_plugins() as $plugin) {
if ($plugin->is_visible() && $plugin->is_enabled()) {
$this->no_sorting('assignfeedback_' . $plugin->get_type());
}
}
}
/**
* Add the userid to the row class so it can be updated via ajax
*
* @param stdClass $row The row of data
* @return string The row class
*/
function get_row_class($row) {
return 'user' . $row->userid;
}
/**
* Return the number of rows to display on a single page
*
* @return int The number of rows per page
*/
function get_rows_per_page() {
return $this->perpage;
}
/**
* Display a grade with scales etc.
*
* @param string $grade
* @param boolean $editable
* @return string The formatted grade
*/
function display_grade($grade, $editable, $userid, $modified) {
if ($this->is_downloading()) {
return $grade;
}
$o = $this->assignment->display_grade($grade, $editable, $userid, $modified);
return $o;
}
/**
* Format a list of outcomes
*
* @param stdClass $row
* @return string
*/
function col_outcomes(stdClass $row) {
$outcomes = '';
foreach($this->gradinginfo->outcomes as $index=>$outcome) {
$options = make_grades_menu(-$outcome->scaleid);
$options[0] = get_string('nooutcome', 'grades');
if ($this->quickgrading&& !($outcome->grades[$row->userid]->locked)) {
$select = '<select name="outcome_' . $index . '_' . $row->userid . '" class="quickgrade">';
foreach ($options as $optionindex => $optionvalue) {
$selected = '';
if ($outcome->grades[$row->userid]->grade == $optionindex) {
$selected = 'selected="selected"';
}
$select .= '<option value="' . $optionindex . '"' . $selected . '>' . $optionvalue . '</option>';
}
$select .= '</select>';
$outcomes .= $this->output->container($outcome->name . ': ' . $select, 'outcome');
} else {
$outcomes .= $this->output->container($outcome->name . ': ' . $options[$outcome->grades[$row->userid]->grade], 'outcome');
}
}
return $outcomes;
}
/**
* Format a user picture for display (and update rownum as a sideeffect)
*
* @param stdClass $row
* @return string
*/
function col_picture(stdClass $row) {
if ($row->picture) {
return $this->output->user_picture($row);
}
return '';
}
/**
* Format a user record for display (don't link to profile)
*
* @param stdClass $row
* @return string
*/
function col_fullname($row) {
return fullname($row);
}
/**
* Insert a checkbox for selecting the current row for batch operations
*
* @param stdClass $row
* @return string
*/
function col_select(stdClass $row) {
return '<input type="checkbox" name="selectedusers" value="' . $row->userid . '" class="ignoredirty"/>';
}
/**
* Return a users grades from the listing of all grade data for this assignment
*
* @param int $userid
* @return mixed stdClass or false
*/
private function get_gradebook_data_for_user($userid) {
if (isset($this->gradinginfo->items[0]) && $this->gradinginfo->items[0]->grades[$userid]) {
return $this->gradinginfo->items[0]->grades[$userid];
}
return false;
}
/**
* Format a column of data for display
*
* @param stdClass $row
* @return string
*/
function col_grade(stdClass $row) {
$o = '';
$link = '';
$separator = '';
$grade = '';
if (!$this->is_downloading()) {
$icon = $this->output->pix_icon('gradefeedback', get_string('grade'), 'mod_assign');
$url = new moodle_url('/mod/assign/view.php',
array('id' => $this->assignment->get_course_module()->id,
'rownum'=>$this->rownum,'action'=>'grade'));
$link = $this->output->action_link($url, $icon);
$separator = $this->output->spacer(array(), true);
}
$grade = $this->display_grade($row->grade, $this->quickgrading, $row->userid, $row->timemarked);
//return $grade . $separator . $link;
return $link . $separator . $grade;
}
/**
* Format a column of data for display
*
* @param stdClass $row
* @return string
*/
function col_finalgrade(stdClass $row) {
$o = '';
$grade = $this->get_gradebook_data_for_user($row->userid);
if ($grade) {
$o = $this->display_grade($grade->grade, false, $row->userid, $row->timemarked);
}
return $o;
}
/**
* Format a column of data for display
*
* @param stdClass $row
* @return string
*/
function col_timemarked(stdClass $row) {
$o = '-';
if ($row->timemarked) {
$o = userdate($row->timemarked);
}
return $o;
}
/**
* Format a column of data for display
*
* @param stdClass $row
* @return string
*/
function col_timesubmitted(stdClass $row) {
$o = '-';
if ($row->timesubmitted) {
$o = userdate($row->timesubmitted);
}
return $o;
}
/**
* Format a column of data for display
*
* @param stdClass $row
* @return string
*/
function col_status(stdClass $row) {
$o = '';
if ($this->assignment->is_any_submission_plugin_enabled()) {
$o .= $this->output->container(get_string('submissionstatus_' . $row->status, 'assign'), array('class'=>'submissionstatus' .$row->status));
if ($this->assignment->get_instance()->duedate && $row->timesubmitted > $this->assignment->get_instance()->duedate) {
$o .= $this->output->container(get_string('submittedlateshort', 'assign', format_time($row->timesubmitted - $this->assignment->get_instance()->duedate)), 'latesubmission');
}
if ($row->locked) {
$o .= $this->output->container(get_string('submissionslockedshort', 'assign'), 'lockedsubmission');
}
if ($row->grade) {
$o .= $this->output->container(get_string('graded', 'assign'), 'submissiongraded');
}
}
return $o;
}
/**
* Format a column of data for display
*
* @param stdClass $row
* @return string
*/
function col_edit(stdClass $row) {
$edit = '';
if ($this->rownum < 0) {
$this->rownum = $this->currpage * $this->pagesize;
} else {
$this->rownum += 1;
}
$actions = array();
$url = new moodle_url('/mod/assign/view.php',
array('id' => $this->assignment->get_course_module()->id,
'rownum'=>$this->rownum,'action'=>'grade'));
if (!$row->grade) {
$description = get_string('grade');
}else{
$description = get_string('updategrade','assign');
}
$actions[$url->out(false)] = $description;
if (!$row->status || $row->status == ASSIGN_SUBMISSION_STATUS_DRAFT || !$this->assignment->get_instance()->submissiondrafts) {
if (!$row->locked) {
$url = new moodle_url('/mod/assign/view.php', array('id' => $this->assignment->get_course_module()->id,
'userid'=>$row->id,
'action'=>'lock',
'sesskey'=>sesskey(),
'page'=>$this->currpage));
$description = get_string('preventsubmissionsshort', 'assign');
$actions[$url->out(false)] = $description;
} else {
$url = new moodle_url('/mod/assign/view.php', array('id' => $this->assignment->get_course_module()->id,
'userid'=>$row->id,
'action'=>'unlock',
'sesskey'=>sesskey(),
'page'=>$this->currpage));
$description = get_string('allowsubmissionsshort', 'assign');
$actions[$url->out(false)] = $description;
}
}
if ($row->status == ASSIGN_SUBMISSION_STATUS_SUBMITTED && $this->assignment->get_instance()->submissiondrafts) {
$url = new moodle_url('/mod/assign/view.php', array('id' => $this->assignment->get_course_module()->id,
'userid'=>$row->id,
'action'=>'reverttodraft',
'sesskey'=>sesskey(),
'page'=>$this->currpage));
$description = get_string('reverttodraftshort', 'assign');
$actions[$url->out(false)] = $description;
}
$edit .= $this->output->container_start(array('yui3-menu', 'actionmenu'), 'actionselect' . $row->id);
$edit .= $this->output->container_start(array('yui3-menu-content'));
$edit .= html_writer::start_tag('ul');
$edit .= html_writer::start_tag('li', array('class'=>'menuicon'));
$menuicon = $this->output->pix_icon('i/menu', get_string('actions'));
$edit .= $this->output->action_link('#menu' . $row->id, $menuicon, null, array('class'=>'yui3-menu-label'));
$edit .= $this->output->container_start(array('yui3-menu', 'yui3-loading'), 'menu' . $row->id);
$edit .= $this->output->container_start(array('yui3-menu-content'));
$edit .= html_writer::start_tag('ul');
foreach ($actions as $url => $description) {
$edit .= html_writer::start_tag('li', array('class'=>'yui3-menuitem'));
$edit .= $this->output->action_link($url, $description, null, array('class'=>'yui3-menuitem-content'));
$edit .= html_writer::end_tag('li');
}
$edit .= html_writer::end_tag('ul');
$edit .= $this->output->container_end();
$edit .= $this->output->container_end();
$edit .= html_writer::end_tag('li');
$edit .= html_writer::end_tag('ul');
$edit .= $this->output->container_end();
$edit .= $this->output->container_end();
return $edit;
}
/**
* Write the plugin summary with an optional link to view the full feedback/submission.
*
* @param assign_plugin $plugin Submission plugin or feedback plugin
* @param stdClass $item Submission or grade
* @param string $returnaction The return action to pass to the view_submission page (the current page)
* @param string $returnparams The return params to pass to the view_submission page (the current page)
* @return string The summary with an optional link
*/
private function format_plugin_summary_with_link(assign_plugin $plugin, stdClass $item, $returnaction, $returnparams) {
$link = '';
$showviewlink = false;
$summary = $plugin->view_summary($item, $showviewlink);
$separator = '';
if ($showviewlink) {
$icon = $this->output->pix_icon('t/preview', get_string('view' . substr($plugin->get_subtype(), strlen('assign')), 'mod_assign'));
$link = $this->output->action_link(
new moodle_url('/mod/assign/view.php',
array('id' => $this->assignment->get_course_module()->id,
'sid'=>$item->id,
'gid'=>$item->id,
'plugin'=>$plugin->get_type(),
'action'=>'viewplugin' . $plugin->get_subtype(),
'returnaction'=>$returnaction,
'returnparams'=>http_build_query($returnparams))),
$icon);
$separator = $this->output->spacer(array(), true);
}
return $link . $separator . $summary;
}
/**
* Format the submission and feedback columns
*
* @param string $colname The column name
* @param stdClass $row The submission row
* @return mixed string or NULL
*/
function other_cols($colname, $row){
if (($pos = strpos($colname, 'assignsubmission_')) !== false) {
$plugin = $this->assignment->get_submission_plugin_by_type(substr($colname, strlen('assignsubmission_')));
if ($plugin->is_visible() && $plugin->is_enabled()) {
if ($row->submissionid) {
$submission = new stdClass();
$submission->id = $row->submissionid;
$submission->timecreated = $row->firstsubmission;
$submission->timemodified = $row->timesubmitted;
$submission->assignment = $this->assignment->get_instance()->id;
$submission->userid = $row->userid;
return $this->format_plugin_summary_with_link($plugin, $submission, 'grading', array());
}
}
return '';
}
if (($pos = strpos($colname, 'feedback_')) !== false) {
$plugin = $this->assignment->get_feedback_plugin_by_type(substr($colname, strlen('assignfeedback_')));
if ($plugin->is_visible() && $plugin->is_enabled()) {
if ($row->gradeid) {
$grade = new stdClass();
$grade->id = $row->gradeid;
$grade->timecreated = $row->firstmarked;
$grade->timemodified = $row->timemarked;
$grade->assignment = $this->assignment->get_instance()->id;
$grade->userid = $row->userid;
$grade->grade = $row->grade;
$grade->mailed = $row->mailed;
return $this->format_plugin_summary_with_link($plugin, $grade, 'grading', array());
}
}
return '';
}
return NULL;
}
/**
* Using the current filtering and sorting - load all rows and return a single column from them
*
* @param string $columnname The name of the raw column data
* @return array of data
*/
function get_column_data($columnname) {
$this->setup();
$this->currpage = 0;
$this->query_db($this->tablemaxrows);
$result = array();
foreach ($this->rawdata as $row) {
$result[] = $row->$columnname;
}
return $result;
}
/**
* Using the current filtering and sorting - load a single row and return a single column from it
*
* @param int $rownumber The rownumber to load
* @param string $columnname The name of the raw column data
* @param bool $lastrow Set to true if this is the last row in the table
* @return mixed string or false
*/
function get_cell_data($rownumber, $columnname, $lastrow) {
$this->setup();
$this->currpage = $rownumber;
$this->query_db(1);
if ($rownumber == $this->totalrows-1) {
$lastrow = true;
}
foreach ($this->rawdata as $row) {
return $row->$columnname;
}
return false;
}
/**
* Return things to the renderer
*
* @return string the assignment name
*/
function get_assignment_name() {
return $this->assignment->get_instance()->name;
}
/**
* Return things to the renderer
*
* @return int the course module id
*/
function get_course_module_id() {
return $this->assignment->get_course_module()->id;
}
/**
* Return things to the renderer
*
* @return int the course id
*/
function get_course_id() {
return $this->assignment->get_course()->id;
}
/**
* Return things to the renderer
*
* @return stdClass The course context
*/
function get_course_context() {
return $this->assignment->get_course_context();
}
/**
* Return things to the renderer
*
* @return bool Does this assignment accept submissions
*/
function submissions_enabled() {
return $this->assignment->is_any_submission_plugin_enabled();
}
/**
* Return things to the renderer
*
* @return bool Can this user view all grades (the gradebook)
*/
function can_view_all_grades() {
return has_capability('gradereport/grader:view', $this->assignment->get_course_context()) && has_capability('moodle/grade:viewall', $this->assignment->get_course_context());
}
/**
* Override the table show_hide_link to not show for select column
*
* @param string $column the column name, index into various names.
* @param int $index numerical index of the column.
* @return string HTML fragment.
*/
protected function show_hide_link($column, $index) {
if ($index > 0) {
return parent::show_hide_link($column, $index);
}
return '';
}
}
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