grade/edit/tree.php

   1 <?php  // $Id$
   2
   3 ///////////////////////////////////////////////////////////////////////////
   4 //                                                                       //
   5 // NOTICE OF COPYRIGHT                                                   //
   6 //                                                                       //
   7 // Moodle - Modular Object-Oriented Dynamic Learning Environment         //
   8 //          http://moodle.com                                            //
   9 //                                                                       //
  10 // Copyright (C) 2001-2007  Martin Dougiamas  http://dougiamas.com       //
  11 //                                                                       //
  12 // This program is free software; you can redistribute it and/or modify  //
  13 // it under the terms of the GNU General Public License as published by  //
  14 // the Free Software Foundation; either version 2 of the License, or     //
  15 // (at your option) any later version.                                   //
  16 //                                                                       //
  17 // This program is distributed in the hope that it will be useful,       //
  18 // but WITHOUT ANY WARRANTY; without even the implied warranty of        //
  19 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         //
  20 // GNU General Public License for more details:                          //
  21 //                                                                       //
  22 //          http://www.gnu.org/copyleft/gpl.html                         //
  23 //                                                                       //
  24 ///////////////////////////////////////////////////////////////////////////
  25
  26 require_once '../../config.php';
  27 require_once $CFG->dirroot.'/grade/lib.php';
  28
  29 $courseid = required_param('id', PARAM_INT);
  30 $action   = optional_param('action', 0, PARAM_ALPHA);
  31 $eid      = optional_param('eid', 0, PARAM_ALPHANUM);
  32
  33
  34 /// Make sure they can even access this course
  35
  36 if (!$course = get_record('course', 'id', $courseid)) {
  37     print_error('nocourseid');
  38 }
  39
  40 require_login($course);
  41 $context = get_context_instance(CONTEXT_COURSE, $course->id);
  42 require_capability('moodle/grade:manage', $context);
  43
  44 /// return tracking object
  45 $gpr = new grade_plugin_return(array('type'=>'edit', 'courseid'=>$courseid));
  46 $returnurl = $gpr->get_return_url(null);
  47
  48 //first make sure we have proper final grades - we need it for locking changes
  49 grade_regrade_final_grades($courseid);
  50
  51 // get the grading tree object
  52 // note: total must be first for moving to work correctly, if you want it last moving code must be rewritten!
  53 $gtree = new grade_tree($courseid, false, false);
  54
  55 if (empty($eid)) {
  56     $element = null;
  57     $object  = null;
  58
  59 } else {
  60     if (!$element = $gtree->locate_element($eid)) {
  61         error('Incorrect element id!', $returnurl);
  62     }
  63     $object = $element['object'];
  64 }
  65
  66
  67 $strgrades         = get_string('grades');
  68 $strgraderreport   = get_string('graderreport', 'grades');
  69 $strcategoriesedit = get_string('categoriesedit', 'grades');
  70
  71 $nav = array(array('name'=>$strgrades,'link'=>$CFG->wwwroot.'/grade/index.php?id='.$courseid, 'type'=>'misc'),
  72              array('name'=>$strcategoriesedit, 'link'=>'', 'type'=>'misc'));
  73
  74 $navigation = build_navigation($nav);
  75 $moving = false;
  76
  77 switch ($action) {
  78     case 'delete':
  79         if ($eid) {
  80             $confirm = optional_param('confirm', 0, PARAM_BOOL);
  81
  82             if ($confirm and confirm_sesskey()) {
  83                 $object->delete('grade/report/grader/category');
  84                 redirect($returnurl);
  85
  86             } else {
  87                 print_header_simple($strgrades . ': ' . $strgraderreport, ': ' . $strcategoriesedit, $navigation, '', '', true, '', navmenu($course));
  88                 $strdeletecheckfull = get_string('deletecheck', '', $object->get_name());
  89                 $optionsyes = array('eid'=>$eid, 'confirm'=>1, 'sesskey'=>sesskey(), 'id'=>$course->id, 'action'=>'delete');
  90                 $optionsno  = array('id'=>$course->id);
  91                 notice_yesno($strdeletecheckfull, 'tree.php', 'tree.php', $optionsyes, $optionsno, 'post', 'get');
  92                 print_footer($course);
  93                 die;
  94             }
  95         }
  96         break;
  97
  98     case 'autosort':
  99         //TODO: implement autosorting based on order of mods on course page, categories first, manual items last
 100         break;
 101
 102     case 'synclegacy':
 103         grade_grab_legacy_grades($course->id);
 104         redirect($returnurl);
 105
 106     case 'move':
 107         if ($eid and confirm_sesskey()) {
 108             $moveafter = required_param('moveafter', PARAM_ALPHANUM);
 109             if(!$after_el = $gtree->locate_element($moveafter)) {
 110                 error('Incorect element id in moveafter', $returnurl);
 111             }
 112             $after = $after_el['object'];
 113             $parent = $after->get_parent_category();
 114             $sortorder = $after->get_sortorder();
 115
 116             $object->set_parent($parent->id);
 117             $object->move_after_sortorder($sortorder);
 118
 119             redirect($returnurl);
 120         }
 121         break;
 122
 123     case 'moveselect':
 124         if ($eid and confirm_sesskey()) {
 125             $moving = $eid;
 126         }
 127         break;
 128
 129     default:
 130         break;
 131 }
 132
 133 print_header_simple($strgrades . ': ' . $strgraderreport, ': ' . $strcategoriesedit, $navigation, '', '', true, '', navmenu($course));
 134
 135 /// Print the plugin selector at the top
 136 print_grade_plugin_selector($courseid, 'edit', 'tree');
 137
 138 print_heading(get_string('categoriesedit', 'grades'));
 139
 140
 141 print_box_start('gradetreebox generalbox');
 142 echo '<ul id="grade_tree">';
 143 print_grade_tree($gtree, $gtree->top_element, $moving, $gpr);
 144 echo '</ul>';
 145 print_box_end();
 146
 147 echo '<div class="buttons">';
 148 if ($moving) {
 149     print_single_button('tree.php', array('id'=>$course->id), get_string('cancel'), 'get');
 150 } else {
 151     print_single_button('category.php', array('courseid'=>$course->id), get_string('addcategory', 'grades'), 'get');
 152     print_single_button('item.php', array('courseid'=>$course->id), get_string('additem', 'grades'), 'get');
 153     print_single_button('outcomeitem.php', array('courseid'=>$course->id), get_string('addoutcomeitem', 'grades'), 'get');
 154     print_single_button('tree.php', array('id'=>$course->id, 'action'=>'autosort'), get_string('autosort', 'grades'), 'get');
 155     print_single_button('tree.php', array('id'=>$course->id, 'action'=>'synclegacy'), get_string('synclegacygrades', 'grades'), 'get');
 156 }
 157 echo '</div>';
 158 print_footer($course);
 159 die;
 160
 161
 162
 163
 164 function print_grade_tree(&$gtree, $element, $moving, &$gpr) {
 165     global $CFG, $COURSE;
 166
 167 /// fetch needed strings
 168     $strmove     = get_string('move');
 169     $strmovehere = get_string('movehere');
 170     $strdelete   = get_string('delete');
 171
 172     $object = $element['object'];
 173     $eid    = $element['eid'];
 174
 175 /// prepare actions
 176     $actions = $gtree->get_edit_icon($element, $gpr);
 177
 178     if ($element['type'] == 'item' or ($element['type'] == 'category' and $element['depth'] > 1)) {
 179         $actions .= '<a href="tree.php?id='.$COURSE->id.'&amp;action=delete&amp;eid='.$eid.'&amp;sesskey='.sesskey().'"><img src="'.$CFG->pixpath.'/t/delete.gif" class="iconsmall" alt="'.$strdelete.'" title="'.$strdelete.'"/></a>';
 180         $actions .= '<a href="tree.php?id='.$COURSE->id.'&amp;action=moveselect&amp;eid='.$eid.'&amp;sesskey='.sesskey().'"><img src="'.$CFG->pixpath.'/t/move.gif" class="iconsmall" alt="'.$strmove.'" title="'.$strmove.'"/></a>';
 181     }
 182
 183     $actions .= $gtree->get_locking_icon($element, $gpr);
 184
 185     $name = $object->get_name();
 186
 187     //TODO: improve outcome visulisation
 188     if ($element['type'] == 'item' and !empty($object->outcomeid)) {
 189         $name = $name.' ('.get_string('outcome', 'grades').')';
 190     }
 191
 192     if ($object->is_hidden()) {
 193         $name = '<span class="dimmed_text">'.$name.'</span>';
 194     }
 195     $actions .= $gtree->get_hiding_icon($element, $gpr);
 196
 197 /// prepare icon
 198     $icon = '<img src="'.$CFG->wwwroot.'/pix/spacer.gif" class="icon" alt=""/>';
 199     switch ($element['type']) {
 200         case 'item':
 201             if ($object->itemtype == 'mod') {
 202                 $icon = '<img src="'.$CFG->modpixpath.'/'.$object->itemmodule.'/icon.gif" class="icon" alt="'.get_string('modulename', $object->itemmodule).'"/>';
 203             } else if ($object->itemtype == 'manual') {
 204                 //TODO: add manual grading icon
 205                 $icon = '<img src="'.$CFG->pixpath.'/t/edit.gif" class="icon" alt="'.get_string('manualgrade', 'grades').'"/>'; // TODO: localize
 206             }
 207             break;
 208         case 'courseitem':
 209         case 'categoryitem':
 210             $icon = '<img src="'.$CFG->pixpath.'/i/category_grade.gif" class="icon" alt="'.get_string('categorygrade').'"/>'; // TODO: localize
 211             break;
 212         case 'category':
 213             $icon = '<img src="'.$CFG->pixpath.'/f/folder.gif" class="icon" alt="'.get_string('category').'"/>';
 214             break;
 215     }
 216
 217 /// prepare move target if needed
 218     $moveto = '';
 219     if ($moving) {
 220         $actions = ''; // no action icons when moving
 221         $moveto = '<li><a href="tree.php?id='.$COURSE->id.'&amp;action=move&amp;eid='.$moving.'&amp;moveafter='.$eid.'&amp;sesskey='.sesskey().'"><img class="movetarget" src="'.$CFG->wwwroot.'/pix/movehere.gif" alt="'.$strmovehere.'" title="'.$strmovehere.'" /></a></li>';
 222     }
 223
 224 /// print the list items now
 225     if ($moving == $eid) {
 226         // do not diplay children
 227         echo '<li class="'.$element['type'].' moving">'.$icon.$name.'('.get_string('move').')</li>';
 228
 229     } else if ($element['type'] != 'category') {
 230         echo '<li class="'.$element['type'].'">'.$icon.$name.$actions.'</li>'.$moveto;
 231
 232     } else {
 233         echo '<li class="'.$element['type'].'">'.$icon.$name.$actions;
 234         echo '<ul class="catlevel'.$element['depth'].'">';
 235         foreach($element['children'] as $child_el) {
 236             print_grade_tree($gtree, $child_el, $moving, $gpr);
 237         }
 238         echo '</ul></li>';
 239         if ($element['depth'] > 1) {
 240             echo $moveto; // can not move after the top category
 241         }
 242     }
 243 }
 244
 245
 246 ?>