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MDL-10478 reworked collapse/expand for grade categories

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This commit is contained in:
skodak 2007-07-25 19:57:47 +00:00
parent be161556ce
commit 4faf5f99be
6 changed files with 107 additions and 76 deletions
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36
grade/lib.php
View File

@ -347,10 +347,9 @@ class grade_tree {
* @param int $courseid
* @param boolean $fillers include fillers and colspans, make the levels var "rectangular"
* @param boolean $category_grade_last category grade item is the last child
* @param boolean $aggregation_view Either full view (0) or compact view (1)
* @param array $collapsed array of collapsed categories
*/
function grade_tree($courseid, $fillers=true, $category_grade_last=false,
$aggregation_view=GRADE_REPORT_AGGREGATION_VIEW_FULL) {
function grade_tree($courseid, $fillers=true, $category_grade_last=false, $collapsed=null) {
global $USER, $CFG;
$this->courseid = $courseid;
@ -361,6 +360,12 @@ class grade_tree {
// get course grade tree
$this->top_element = grade_category::fetch_course_tree($courseid, true);
// collapse the categories if requested
if (!empty($collapsed)) {
grade_tree::category_collapse($this->top_element, $collapsed);
}
// move category item to last position in category
if ($category_grade_last) {
grade_tree::category_grade_last($this->top_element);
}
@ -375,6 +380,31 @@ class grade_tree {
grade_tree::fill_levels($this->levels, $this->top_element, 0);
}
/**
* Static recursive helper - removes items from collapsed categories
* @static
* @param array $element The seed of the recursion
* @param array $collapsed array of collapsed categories
* @return void
*/
function category_collapse(&$element, $collapsed) {
if ($element['type'] != 'category') {
return;
}
if (empty($element['children']) or count($element['children']) < 2) {
return;
}
if (in_array($element['object']->id, $collapsed)) {
$category_item = reset($element['children']); //keep only category item
$element['children'] = array(key($element['children'])=>$category_item);
} else {
foreach ($element['children'] as $sortorder=>$child) {
grade_tree::category_collapse($element['children'][$sortorder], $collapsed);
}
}
}
/**
* Static recursive helper - makes the grade_item for category the last children

74
grade/report/grader/lib.php
View File

@ -51,6 +51,12 @@ class grade_report_grader extends grade_report {
*/
var $userselect;
/**
* List of collapsed captegories from user perference
* @var array $collapsed
*/
var $collapsed;
/**
* Constructor. Sets local copies of user preferences and initialises grade_tree.
* @param int $courseid
@ -63,6 +69,20 @@ class grade_report_grader extends grade_report {
global $CFG;
parent::grade_report($courseid, $gpr, $context, $page);
// load collapsed settings for this report
if ($collapsed = get_user_preferences('grade_report_grader_collapsed_categories')) {
$this->collapsed = unserialize($collapsed);
foreach ($this->collapsed as $key=>$id) {
if ($this->get_pref('aggregationview', $id) == GRADE_REPORT_AGGREGATION_VIEW_FULL) {
unset($this->collapsed[$key]); // full view categories can not be collapsed
}
}
} else {
$this->collapsed = array();
}
// Grab the grade_tree for this course
$this->gtree = new grade_tree($this->courseid, true, $this->get_pref('aggregationposition'), $this->collapsed);
$this->sortitemid = $sortitemid;
// base url for sorting by first/last name
@ -434,8 +454,9 @@ class grade_report_grader extends grade_report {
$headerhtml .= '<th class="'.$type.$catlevel.'" '.$colspan.'>&nbsp;</th>';
}
// Element is a category
else if ($type == 'category' && !in_array($eid, $columns_to_unset)) {
else if ($type == 'category') {
$headerhtml .= '<th class="category'.$catlevel.'" '.$colspan.'>'.$element['object']->get_name();
$headerhtml .= $this->get_collapsing_icon($element);
// Print icons
if ($USER->gradeediting[$this->courseid]) {
@ -445,7 +466,7 @@ class grade_report_grader extends grade_report {
$headerhtml .= '</th>';
}
// Element is a grade_item
elseif (!in_array($eid, $columns_to_unset)) {
else {
if ($element['object']->id == $this->sortitemid) {
if ($this->sortorder == 'ASC') {
$arrow = print_arrow('up', $strsortasc, true);
@ -879,7 +900,6 @@ class grade_report_grader extends grade_report {
$edit_icon = $this->gtree->get_edit_icon($element, $this->gpr);
$edit_calculation_icon = '';
$show_hide_icon = '';
$contract_expand_icon = '';
$lock_unlock_icon = '';
if ($this->get_pref('showcalculations')) {
@ -894,6 +914,18 @@ class grade_report_grader extends grade_report {
$lock_unlock_icon = $this->gtree->get_locking_icon($element, $this->gpr);
}
return '<div class="grade_icons">'.$edit_icon.$edit_calculation_icon.$show_hide_icon.$lock_unlock_icon.'</div>';
}
/**
* Given a category element returns collapsing +/- icon if available
* @param object $object
* @return string HTML
*/
function get_collapsing_icon($element) {
global $CFG;
$contract_expand_icon = '';
// If object is a category, display expand/contract icon
if ($element['type'] == 'category' && $this->get_pref('aggregationview', $element['object']->id) == GRADE_REPORT_AGGREGATION_VIEW_COMPACT) {
// Load language strings
@ -901,18 +933,14 @@ class grade_report_grader extends grade_report {
$strswitch_plus = $this->get_lang_string('expand', 'grades');
$expand_contract = 'switch_minus'; // Default: expanded
$state = get_user_preferences('grade_report_categorystate' . $element['object']->id, GRADE_CATEGORY_EXPANDED);
if ($state == GRADE_CATEGORY_CONTRACTED) {
if (in_array($element['object']->id, $this->collapsed)) {
$expand_contract = 'switch_plus';
}
$contract_expand_icon = '<a href="index.php?target=' . $element['eid']
. "&amp;action=$expand_contract" . $this->gtree->commonvars . "\">\n"
. '<img src="'.$CFG->pixpath.'/t/'.$expand_contract.'.gif" class="iconsmall" alt="'
. ${'str' . $expand_contract}.'" title="'.${'str' . $expand_contract}.'" /></a>'. "\n";
$url = $this->gpr->get_return_url(null, array('target'=>$element['eid'], 'action'=>$expand_contract, 'sesskey'=>sesskey()));
$contract_expand_icon = '<a href="'.$url.'"><img src="'.$CFG->pixpath.'/t/'.$expand_contract.'.gif" class="iconsmall" alt="'
.${'str'.$expand_contract}.'" title="'.${'str'.$expand_contract}.'" /></a>';
}
return '<div class="grade_icons">'.$edit_icon.$edit_calculation_icon.$show_hide_icon.$lock_unlock_icon.$contract_expand_icon.'</div>';
return $contract_expand_icon;
}
/**
@ -922,15 +950,33 @@ class grade_report_grader extends grade_report {
* @return
*/
function process_action($target, $action) {
// TODO: this code should be in some grade_tree static method
$targettype = substr($target, 0, 1);
$targetid = substr($target, 1);
// TODO: end
if ($collapsed = get_user_preferences('grade_report_grader_collapsed_categories')) {
$collapsed = unserialize($collapsed);
} else {
$collapsed = array();
}
switch ($action) {
case 'switch_minus':
set_user_preference('grade_report_categorystate' . $targetid, GRADE_CATEGORY_CONTRACTED);
if (!in_array($targetid, $collapsed)) {
$collapsed[] = $targetid;
set_user_preference('grade_report_grader_collapsed_categories', serialize($collapsed));
}
break;
case 'switch_plus':
set_user_preference('grade_report_categorystate' . $targetid, GRADE_CATEGORY_EXPANDED);
$key = array_search($targetid, $collapsed);
if ($key !== false) {
unset($collapsed[$key]);
set_user_preference('grade_report_grader_collapsed_categories', serialize($collapsed));
}
break;
default:
break;
}

4
grade/report/lib.php
View File

@ -114,9 +114,7 @@ class grade_report {
// roles to be displayed in the gradebook
$this->gradebookroles = $CFG->gradebookroles;
// Grab the grade_tree for this course
$this->gtree = new grade_tree($this->courseid, true, $this->get_pref('aggregationposition'));
// init gtree in child class
}
/**

3
grade/report/user/lib.php
View File

@ -37,6 +37,9 @@ class grade_report_user extends grade_report {
global $CFG;
parent::grade_report($courseid, $gpr, $context);
// Grab the grade_tree for this course
$this->gtree = new grade_tree($this->courseid, true, $this->get_pref('aggregationposition'));
// get the user (for full name)
$this->user = get_record('user', 'id', $userid);

50
lib/grade/grade_category.php
View File

@ -628,41 +628,14 @@ class grade_category extends grade_object {
*/
function fetch_course_tree($courseid, $include_category_items=false) {
$course_category = grade_category::fetch_course_category($courseid);
$categorystate = grade_category::get_categorystate($course_category);
if ($categorystate == GRADE_CATEGORY_EXPANDED) {
$include_category_items = false;
}
$category_array = array('object'=>$course_category,
'type'=>'category',
'depth'=>1,
'categorystate' => $categorystate,
$category_array = array('object'=>$course_category, 'type'=>'category', 'depth'=>1,
'children'=>$course_category->get_children($include_category_items));
$sortorder = 1;
$course_category->set_sortorder($sortorder);
$course_category->sortorder = $sortorder;
return grade_category::_fetch_course_tree_recursion($category_array, $sortorder);
}
/**
* Checks the user preferences and returns the state of the category, for display purposes. This only
* applies when aggregationview is set to COMPACT.
* @param object $category_element
* @return int null, GRADE_CATEGORY_EXPANDED or GRADE_CATEGORY_CONTRACTED
*/
function get_categorystate($category_element) {
global $CFG;
require_once($CFG->dirroot . '/grade/report/lib.php');
$aggregationview = grade_report::get_pref('aggregationview', $category_element->id);
$categorystate = null;
if ($aggregationview == GRADE_REPORT_AGGREGATION_VIEW_COMPACT) {
$categorystate = get_user_preferences('grade_report_categorystate' . $category_element->id, GRADE_CATEGORY_EXPANDED);
}
return $categorystate;
}
function _fetch_course_tree_recursion($category_array, &$sortorder) {
// update the sortorder in db if needed
if ($category_array['object']->sortorder != $sortorder) {
@ -769,28 +742,17 @@ class grade_category extends grade_object {
function _get_children_recursion($category) {
$children_array = array();
$categorystate = grade_category::get_categorystate($category);
foreach($category->children as $sortorder=>$child) {
if (array_key_exists('itemtype', $child)) {
$grade_item = new grade_item($child, false);
if (in_array($grade_item->itemtype, array('course', 'category'))) { // Child is a course or categoryitem
if ($categorystate == GRADE_CATEGORY_EXPANDED) {
continue;
} else {
if (in_array($grade_item->itemtype, array('course', 'category'))) {
$type = $grade_item->itemtype.'item';
$depth = $category->depth;
}
} else {
if ($categorystate == GRADE_CATEGORY_CONTRACTED) {
continue;
}
$type = 'item';
$depth = $category->depth; // we use this to set the same colour
}
$children_array[$sortorder] = array('object'=>$grade_item,
'type'=>$type,
'depth'=>$depth);
$children_array[$sortorder] = array('object'=>$grade_item, 'type'=>$type, 'depth'=>$depth);
} else {
$children = grade_category::_get_children_recursion($child);
@ -798,11 +760,7 @@ class grade_category extends grade_object {
if (empty($children)) {
$children = array();
}
$children_array[$sortorder] = array('object'=>$grade_category,
'type'=>'category',
'depth'=>$grade_category->depth,
'categorystate' => $categorystate,
'children'=>$children);
$children_array[$sortorder] = array('object'=>$grade_category, 'type'=>'category', 'depth'=>$grade_category->depth, 'children'=>$children);
}
}

4
lib/gradelib.php
View File

@ -66,10 +66,6 @@ define('GRADE_HISTORY_INSERT', 1);
define('GRADE_HISTORY_UPDATE', 2);
define('GRADE_HISTORY_DELETE', 3);
// Grader reports
define('GRADE_CATEGORY_CONTRACTED', 0); // The state of a category header in the grader report
define('GRADE_CATEGORY_EXPANDED', 1); // The state of a category header in the grader report
define('GRADE_REPORT_AGGREGATION_POSITION_LEFT', 0);
define('GRADE_REPORT_AGGREGATION_POSITION_RIGHT', 1);
define('GRADE_REPORT_AGGREGATION_VIEW_FULL', 0);