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MDL-19489 - add conditional branching (my first try)

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This commit is contained in:
Andreas Grabs 2010-05-16 20:05:51 +00:00
parent f53fde9f47
commit 73043833e9
29 changed files with 1597 additions and 1088 deletions
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145
mod/feedback/lib.php
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@ -870,7 +870,12 @@ function feedback_save_as_template($feedback, $name, $ispublic = 0) {
$f_context = get_context_instance(CONTEXT_MODULE, $cm->id);
//create items of this new template
//depend items we are storing temporary in an mapping list array(new id => dependitem)
//we also store a mapping of all items array(oldid => newid)
$dependitemsmap = array();
$itembackup = array();
foreach($feedbackitems as $item) {
$t_item = clone($item);
unset($t_item->id);
@ -887,7 +892,21 @@ function feedback_save_as_template($feedback, $name, $ispublic = 0) {
$fs->create_file_from_storedfile($file_record, $ifile);
}
}
$itembackup[$item->id] = $t_item->id;
if($t_item->dependitem) {
$dependitemsmap[$t_item->id] = $t_item->dependitem;
}
}
//remapping the dependency
foreach($dependitemsmap as $key => $dependitem) {
$newitem = $DB->get_record('feedback_item', array('id'=>$key));
$newitem->dependitem = $itembackup[$newitem->dependitem];
$DB->update_record('feedback_item', $newitem);
}
return true;
}
@ -963,6 +982,11 @@ function feedback_items_from_template($feedback, $templateid, $deleteold = false
$positionoffset = $DB->count_records('feedback_item', array('feedback'=>$feedback->id));
}
//create items of this new template
//depend items we are storing temporary in an mapping list array(new id => dependitem)
//we also store a mapping of all items array(oldid => newid)
$dependitemsmap = array();
$itembackup = array();
foreach($templitems as $t_item) {
$item = clone($t_item);
unset($item->id);
@ -982,7 +1006,19 @@ function feedback_items_from_template($feedback, $templateid, $deleteold = false
$fs->create_file_from_storedfile($file_record, $tfile);
}
}
$itembackup[$t_item->id] = $item->id;
if($item->dependitem) {
$dependitemsmap[$item->id] = $item->dependitem;
}
}
//remapping the dependency
foreach($dependitemsmap as $key => $dependitem) {
$newitem = $DB->get_record('feedback_item', array('id'=>$key));
$newitem->dependitem = $itembackup[$newitem->dependitem];
$DB->update_record('feedback_item', $newitem);
}
}
/**
@ -1056,6 +1092,26 @@ function feedback_load_feedback_items_options() {
return $feedback_options;
}
function feedback_get_depend_candidates_for_item($feedback, $item) {
global $DB;
//all items for dependitem
$where = "feedback = ? AND typ != 'pagebreak' AND hasvalue = 1";
$params = array($feedback->id);
if(isset($item->id) AND $item->id) {
$where .= ' AND id != ?';
$params[] = $item->id;
}
$dependitems = array(0 => get_string('choose'));
if(!$feedbackitems = $DB->get_records_select_menu('feedback_item', $where, $params, 'position', 'id, label')) {
return $dependitems;
}
//adding the choose-option
foreach($feedbackitems as $key=>$val) {
$dependitems[$key] = $val;
}
return $dependitems;
}
/**
* creates a new item-record
*
@ -1150,6 +1206,11 @@ function feedback_delete_item($itemid, $renumber = true){
$DB->delete_records("feedback_value", array("item"=>$itemid));
$DB->delete_records("feedback_valuetmp", array("item"=>$itemid));
//remove all depends
$DB->set_field('feedback_item', 'dependvalue', '', array('dependitem'=>$itemid));
$DB->set_field('feedback_item', 'dependitem', 0, array('dependitem'=>$itemid));
$DB->delete_records("feedback_item", array("id"=>$itemid));
if($renumber) {
feedback_renumber_items($item->feedback);
@ -1435,54 +1496,44 @@ function feedback_save_tmp_values($feedbackcompletedtmp, $feedbackcompleted, $us
global $DB;
$tmpcplid = $feedbackcompletedtmp->id;
if(!$feedbackcompleted) {
//first we create a completedtmp
$newcpl = new object();
foreach($feedbackcompletedtmp as $key => $value) {
$newcpl->{$key} = $value;
}
unset($newcpl->id);
$newcpl->userid = $userid;
$newcpl->timemodified = time();
$newcpl->id = $DB->insert_record('feedback_completed', $newcpl);
//get all values of tmp-completed
if(!$values = $DB->get_records('feedback_valuetmp', array('completed'=>$feedbackcompletedtmp->id))) {
return false;
}
foreach($values as $value) {
unset($value->id);
$value->completed = $newcpl->id;
$DB->insert_record('feedback_value', $value);
}
//drop all the tmpvalues
$DB->delete_records('feedback_valuetmp', array('completed'=>$tmpcplid));
$DB->delete_records('feedback_completedtmp', array('id'=>$tmpcplid));
return $newcpl->id;
} else {
if($feedbackcompleted) {
//first drop all existing values
$DB->delete_records('feedback_value', array('completed'=>$feedbackcompleted->id));
//update the current completed
$feedbackcompleted->timemodified = time();
$DB->update_record('feedback_completed', $feedbackcompleted);
//save all the new values from feedback_valuetmp
//get all values of tmp-completed
if(!$values = $DB->get_records('feedback_valuetmp', array('completed'=>$feedbackcompletedtmp->id))) {
return false;
}else {
$feedbackcompleted = clone($feedbackcompletedtmp);
$feedbackcompleted->id = '';
$feedbackcompleted->userid = $userid;
$feedbackcompleted->timemodified = time();
$feedbackcompleted->id = $DB->insert_record('feedback_completed', $feedbackcompleted);
}
//save all the new values from feedback_valuetmp
//get all values of tmp-completed
if(!$values = $DB->get_records('feedback_valuetmp', array('completed'=>$feedbackcompletedtmp->id))) {
return false;
}
foreach($values as $value) {
//check if there are depend items
$item = $DB->get_record('feedback_item', array('id'=>$value->item));
if($item->dependitem > 0) {
$check = feedback_compare_item_value($tmpcplid, $item->dependitem, $item->dependvalue, true);
}else {
$check = true;
}
foreach($values as $value) {
if($check) {
unset($value->id);
$value->completed = $feedbackcompleted->id;
$DB->insert_record('feedback_value', $value);
}
//drop all the tmpvalues
$DB->delete_records('feedback_valuetmp', array('completed'=>$tmpcplid));
$DB->delete_records('feedback_completedtmp', array('id'=>$tmpcplid));
return $feedbackcompleted->id;
}
//drop all the tmpvalues
$DB->delete_records('feedback_valuetmp', array('completed'=>$tmpcplid));
$DB->delete_records('feedback_completedtmp', array('id'=>$tmpcplid));
return $feedbackcompleted->id;
}
/**
@ -1561,7 +1612,9 @@ function feedback_get_all_break_positions($feedbackid) {
* @return int the position of the last pagebreak
*/
function feedback_get_last_break_position($feedbackid) {
if(!$allbreaks = feedback_get_all_break_positions($feedbackid)) return false;
if(!$allbreaks = feedback_get_all_break_positions($feedbackid)) {
return false;
}
return $allbreaks[count($allbreaks) - 1];
}
@ -1695,6 +1748,22 @@ function feedback_get_item_value($completedid, $itemid, $tmp = false) {
return $DB->get_field('feedback_value'.$tmpstr, 'value', array('completed'=>$completedid, 'item'=>$itemid));
}
function feedback_compare_item_value($completedid, $itemid, $dependvalue, $tmp = false) {
global $DB, $CFG;
$dbvalue = feedback_get_item_value($completedid, $itemid, $tmp);
//get the class of the given item-typ
$item = $DB->get_record('feedback_item', array('id'=>$itemid));
$itemclass = 'feedback_item_'.$item->typ;
if (!class_exists($itemclass)) {
require_once($CFG->dirroot.'/mod/feedback/item/'.$item->typ.'/lib.php');
}
//get the instance of the item-class
$itemobj = new $itemclass();
return $itemobj->compare_value($item, $dbvalue, $dependvalue); //true or false
}
/**
* this function checks the correctness of values.
* the rules for this are implemented in the class of each item.