MDL-11340 Almost complete: Just need the "Add grade letter" button

diff --git a/grade/edit/gradedisplay/gradedisplay_form.php b/grade/edit/gradedisplay/gradedisplay_form.php
new file mode 100644 (file)
index 0000000..abbce70
--- /dev/null
+++ b/grade/edit/gradedisplay/gradedisplay_form.php
@@ -0,0 +1,111 @@
+<?php  //$Id$
+
+require_once $CFG->libdir.'/formslib.php';
+
+class edit_grade_display_form extends moodleform {
+
+    function definition() {
+        global $CFG, $COURSE;
+
+        $mform =& $this->_form;
+        $context = get_context_instance(CONTEXT_COURSE, $COURSE->id);
+        $course_has_letters = $this->_customdata['course_has_letters'];
+        $coursegradedisplaytype = get_field('grade_items', 'display', 'courseid', $COURSE->id, 'itemtype', 'course');
+
+        $mform->addElement('header', 'coursesettings', get_string('coursesettings', 'grades'));
+
+        $gradedisplaytypes = array(GRADE_REPORT_GRADE_DISPLAY_TYPE_DEFAULT => get_string('default'),
+                                   GRADE_REPORT_GRADE_DISPLAY_TYPE_REAL => get_string('real', 'grades'),
+                                   GRADE_REPORT_GRADE_DISPLAY_TYPE_PERCENTAGE => get_string('percentage', 'grades'),
+                                   GRADE_REPORT_GRADE_DISPLAY_TYPE_LETTER => get_string('letter', 'grades'));
+        $mform->addElement('select', 'gradedisplaytype', get_string('coursegradedisplaytype', 'grades'), $gradedisplaytypes);
+        $mform->setHelpButton('gradedisplaytype', array(false, get_string('coursegradedisplaytype', 'grades'),
+                false, true, false, get_string('coursegradedisplaytypehelp', 'grades')));
+        $mform->setDefault('gradedisplaytype', $coursegradedisplaytype);
+        $mform->setType($coursegradedisplaytype, PARAM_INT);
+
+        $course_set_to_letters  = $coursegradedisplaytype == GRADE_REPORT_GRADE_DISPLAY_TYPE_LETTER;
+        $course_set_to_default  = $coursegradedisplaytype == GRADE_REPORT_GRADE_DISPLAY_TYPE_DEFAULT;
+        $site_set_to_letters = $CFG->grade_report_gradedisplaytype == GRADE_REPORT_GRADE_DISPLAY_TYPE_LETTER;
+
+        if ($course_set_to_letters || ($course_set_to_default && $site_set_to_letters)) {
+
+            $mform->addElement('header', 'gradeletters', get_string('gradeletters', 'grades'));
+            $percentages = array(null => get_string('unused', 'grades'));
+
+            $mform->addElement('checkbox', 'override', get_string('overridesitedefaultgradedisplaytype', 'grades'));
+            $mform->setHelpButton('override', array(false, get_string('overridesitedefaultgradedisplaytype', 'grades'),
+                    false, true, false, get_string('overridesitedefaultgradedisplaytypehelp', 'grades')));
+            $mform->setDefault('override', $course_has_letters);
+
+            for ($i=100; $i > -1; $i--) {
+                $percentages[$i] = "$i%";
+            }
+
+            $elementsarray = array();
+
+            // Get course letters if they exist
+            if ($letters = get_records('grade_letters', 'contextid', $context->id, 'lowerboundary DESC')) {
+                $i = 1;
+                foreach ($letters as $letter) {
+                    $elementsarray[$i]['letter'] = $letter->letter;
+                    $elementsarray[$i]['boundary'] = $letter->lowerboundary;
+                    $i++;
+                }
+            } else { // Get site default for each letter
+                for ($i = 1; $i <= 10; $i++) {
+                    $elementsarray[$i]['letter'] = $CFG->{'grade_report_gradeletter'.$i};
+                    $elementsarray[$i]['boundary'] = $CFG->{'grade_report_gradeboundary'.$i};
+                }
+            }
+
+            foreach ($elementsarray as $i => $element) {
+                $letter = $element['letter'];
+                $boundary = $element['boundary'];
+
+                $gradelettername = 'gradeletter' . $i;
+                $gradeletterstring = get_string('gradeletter', 'grades') . " $i";
+                $gradeletterhelp = get_string('configgradeletter', 'grades');
+
+                $gradeboundaryname = 'gradeboundary' . $i;
+                $gradeboundarystring = get_string('gradeboundary', 'grades') . " $i";
+                $gradeboundaryhelp = get_string('configgradeboundary', 'grades');
+
+                $mform->addElement('text', $gradelettername, $gradeletterstring);
+                $mform->setHelpButton($gradelettername, array(false, $gradeletterstring, false, true, false, $gradeletterhelp));
+                $mform->setDefault($gradelettername, $letter);
+                $mform->setType($gradelettername, PARAM_ALPHANUM);
+                $mform->disabledIf($gradelettername, 'override');
+
+                $mform->addElement('select', $gradeboundaryname, $gradeboundarystring, $percentages);
+                $mform->setHelpButton($gradeboundaryname, array(false, $gradeboundarystring, false, true, false, $gradeboundaryhelp));
+                $mform->setDefault($gradeboundaryname, $boundary);
+                $mform->setType($gradeboundaryname, PARAM_ALPHANUM);
+                $mform->disabledIf($gradeboundaryname, 'override');
+            }
+
+            $mform->addElement('submit', 'action', get_string('addelement', 'grades'));
+        }
+
+        // hidden params
+        $mform->addElement('hidden', 'id', $COURSE->id);
+        $mform->setType('id', PARAM_INT);
+
+/// add return tracking info
+        $gpr = $this->_customdata['gpr'];
+        $gpr->add_mform_elements($mform);
+
+//-------------------------------------------------------------------------------
+        // buttons
+        $this->add_action_buttons();
+    }
+
+    function definition_after_data() {
+        global $CFG, $COURSE;
+
+        $context = get_context_instance(CONTEXT_COURSE, $COURSE->id);
+
+    }
+}
+
+?>

diff --git a/grade/edit/gradedisplay/index.php b/grade/edit/gradedisplay/index.php
new file mode 100644 (file)
index 0000000..aa67506
--- /dev/null
+++ b/grade/edit/gradedisplay/index.php
@@ -0,0 +1,164 @@
+<?php // $Id$
+      // Allows a creator to edit custom scales, and also display help about scales
+
+require_once '../../../config.php';
+require_once $CFG->dirroot.'/grade/lib.php';
+require_once $CFG->libdir.'/gradelib.php';
+require_once $CFG->dirroot.'/grade/report/lib.php';
+require_once 'gradedisplay_form.php';
+
+$courseid = optional_param('id', 0, PARAM_INT);
+$action   = optional_param('action', '', PARAM_ALPHA);
+
+/// Make sure they can even access this course
+if ($courseid) {
+    if (!$course = get_record('course', 'id', $courseid)) {
+        print_error('nocourseid');
+    }
+    require_login($course);
+    $context = get_context_instance(CONTEXT_COURSE, $course->id);
+    require_capability('moodle/course:managescales', $context);
+} else {
+    require_once $CFG->libdir.'/adminlib.php';
+    admin_externalpage_setup('scales');
+}
+
+$straddelement = get_string('addelement', 'grades');
+switch ($action) {
+    case $straddelement:
+        // Insert a record in the grade_letters table, with 0 as lower boundary and  ' - ' as letter
+        $record = new stdClass();
+        $record->contextid = $context->id;
+        $record->letter = '-';
+        $record->lowerboundary = 0;
+        insert_record('grade_letters', $record);
+        break;
+    default:
+        break;
+}
+
+$course_has_letters = get_field('grade_letters', 'contextid', 'contextid', $context->id);
+
+/// return tracking object
+$gpr = new grade_plugin_return(array('type'=>'edit', 'plugin'=>'gradedisplay', 'courseid'=>$courseid));
+$returnurl = $gpr->get_return_url($CFG->wwwroot.'/grade/edit/gradedisplay/index.php?id='.$course->id);
+
+$mform = new edit_grade_display_form(null, array('gpr'=>$gpr, 'course_has_letters' => $course_has_letters, 'action' => $action));
+
+if ($mform->is_cancelled()) {
+    redirect($returnurl);
+
+// form processing
+} else if ($data = $mform->get_data(false)) {
+    // Delete existing grade_letters for this contextid, whether we add, update or set the grade letters to defaults
+    if ($course_has_letters) {
+        delete_records('grade_letters', 'contextid', $context->id);
+    }
+
+    // Update course item's gradedisplay type
+    if (isset($data->gradedisplaytype)) {
+        set_field('grade_items', 'display', $data->gradedisplaytype, 'courseid', $courseid, 'itemtype', 'course');
+    }
+
+    // If override is present, add/update entries in grade_letters table
+    if (!empty($data->override)) {
+        $records = array();
+
+        // Loop through grade letters and boundaries
+        foreach ($data as $key => $variable) {
+            preg_match('/[gradeletter|gradeboundary]([0-9]{1,2})/', $key, $matches);
+            $index = null;
+            if (isset($matches[1])) {
+                $index = $matches[1];
+            }
+
+            if (strstr($key, 'gradeletter')) {
+                $records[$index] = new stdClass();
+                $records[$index]->letter = $variable;
+            } elseif (strstr($key, 'gradeboundary')) {
+                if (!empty($records[$index])) {
+                    $records[$index]->lowerboundary = $variable;
+                }
+            }
+        }
+
+        foreach ($records as $key => $record) {
+            // Do not insert if either value is empty or set to "unused"
+            $values_set = isset($record->letter) && isset($record->lowerboundary);
+
+            if ($values_set && strlen($record->letter) > 0 && strlen($record->lowerboundary) > 0) {
+                $record->contextid = $context->id;
+                if ($id = insert_record('grade_letters', $record)) {
+                    $record = new stdClass();
+                } else {
+                    debugging('Error inserting grade_letters record!');
+                    die();
+                }
+            }
+        }
+    } else {
+
+    }
+
+    redirect($returnurl, get_string('coursegradedisplayupdated', 'grades'));
+}
+
+$strgrades = get_string('grades');
+$pagename = get_string('gradedisplay');
+
+$navigation = grade_build_nav(__FILE__, $pagename, array('courseid' => $courseid));
+
+$strname           = get_string('name');
+$strdelete         = get_string('delete');
+$stredit           = get_string('edit');
+$strused           = get_string('used');
+$stredit           = get_string('edit');
+
+switch ($action) {
+    case 'delete':
+        if (!confirm_sesskey()) {
+            break;
+        }
+        $scaleid = required_param('scaleid', PARAM_INT);
+        if (!$scale = grade_scale::fetch(array('id'=>$scaleid))) {
+            break;
+        }
+
+        if (empty($scale->courseid)) {
+            require_capability('moodle/course:managescales', get_context_instance(CONTEXT_SYSTEM));
+        } else if ($scale->courseid != $courseid) {
+            error('Incorrect courseid!');
+        }
+
+        if (!$scale->can_delete()) {
+            break;
+        }
+
+        //TODO: add confirmation
+        $scale->delete();
+        break;
+}
+
+if ($courseid) {
+    /// Print header
+    print_header_simple($strgrades.': '.$pagename, ': '.$strgrades, $navigation, '', '', true, '', navmenu($course));
+    /// Print the plugin selector at the top
+    print_grade_plugin_selector($courseid, 'edit', 'scale');
+
+} else {
+    admin_externalpage_print_header();
+}
+
+print_simple_box_start("center");
+$mform->display();
+print_simple_box_end();
+
+if ($courseid) {
+    print_footer($course);
+} else {
+    admin_externalpage_print_footer();
+}
+
+
+?>
+