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calendarShortcode.php
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<?php
//register utt_calendar shortcode
add_shortcode('utt_calendar','load_utt_calendar');
//utt_calendar shortcode function
function load_utt_calendar($attr){
//include scripts and styles to page
wp_enqueue_script( 'moment', plugins_url('js/moment.min.js', __FILE__) );
wp_enqueue_script( 'fullcalendar', plugins_url('js/fullcalendar.js', __FILE__) );
wp_enqueue_script( 'fullcalendargreek', plugins_url('js/el.js', __FILE__) );
wp_enqueue_style( 'fullcalendarcss', plugins_url('css/fullcalendar.css', __FILE__) );
wp_enqueue_script('qtipjs', plugins_url('js/jquery.qtip.min.js', __FILE__));
wp_enqueue_style( 'qtipcss', plugins_url('css/jquery.qtip.min.css', __FILE__) );
wp_enqueue_script( 'calendarScripts', plugins_url('js/calendarScripts.js', __FILE__) );
//localize calendar scripts
wp_localize_script( 'calendarScripts', 'calendarStrings', array(
'lang' => __( 'en', 'UniTimetable' ),
'ajax_url' => admin_url( 'admin-ajax.php' )
));
wp_enqueue_style( 'utt_style', plugins_url('css/utt_style.css', __FILE__) );
global $wpdb;
$sc="";
//if no parameter is used show filters
if(!isset($attr['teacher']) && !isset($attr['classroom']) && !isset($attr['semester'])){
$sc= '<div id="filters">
<span id="filter1">'
.__("View per:","UniTimetable").
'<select name="filterSelect1" id="filterSelect1">
<option value="semester">'.__("Semester","UniTimetable").'</option>
<option value="teacher">'.__("Teacher","UniTimetable").'</option>
<option value="classroom" selected="selected">'.__("Classroom","UniTimetable").'</option>
</select>
</span>
<span id="filter2">
<select name="filterSelect2" id="filterSelect2" onchange="filterFunction();">
<option value="0">'.__("Select","UniTimetable").'</option>';
/*for($i=1;$i<8;$i++){
if($i==1){
$selected = "selected='selected'";
}else{
$selected = "";
}
echo "<option value='$i' $selected>$i</option>";
}*/
$classroomsTable = $wpdb->prefix."utt_classrooms";
$classrooms = $wpdb->get_results("SELECT * FROM $classroomsTable ORDER BY name;");
foreach($classrooms as $classroom){
if($classroom->classroomID==12){
$selected = "selected='selected'";
}else{
$selected = "";
}
$sc.= "<option value='$classroom->classroomID' $selected>$classroom->name </option>";
}
$sc.='</select>
</span>
<img id="loadingImg" src="'.plugins_url('icons/spinner.gif', __FILE__).'"/>
</div>';
//if a parameter is used load hidden fields to show filtered data without combo-boxes
}else if($attr['teacher'] != ""){
$sc.= "<input type='hidden' name='filterSelect1' id='filterSelect1' value='teacher' />";
$sc.= "<input type='hidden' name='filterSelect2' id='filterSelect2' value='$attr[teacher]' />";
}else if($attr['classroom'] != ""){
$sc.= "<input type='hidden' name='filterSelect1' id='filterSelect1' value='classroom' />";
$sc.= "<input type='hidden' name='filterSelect2' id='filterSelect2' value='$attr[classroom]' />";
}else if($attr['semester'] != ""){
$sc.= "<input type='hidden' name='filterSelect1' id='filterSelect1' value='semester' />";
$sc.= "<input type='hidden' name='filterSelect2' id='filterSelect2' value='$attr[semester]' />";
}
$sc.='<div id="calendar"></div>';
return $sc;
}
//json response view lectures (returns json)
add_action('wp_ajax_utt_json_calendar_front','utt_json_calendar_front');
//used to enable simple visitors to use ajax functions
add_action('wp_ajax_nopriv_utt_json_calendar_front','utt_json_calendar_front');
function utt_json_calendar_front(){
global $wpdb;
//get data selected from combo-boxes or hidden fields
$viewType = $_POST['viewType'];
$viewFilter = $_POST['viewFilter'];
$lecturesView = $wpdb->prefix."utt_lectures_view";
$start = $_POST['start'];
$end = $_POST['end'];
//add limitations to query
switch ($viewType){
case "semester":
$safeSql = $wpdb->prepare("SELECT * FROM $lecturesView WHERE DATE(start) BETWEEN %s AND %s AND semester IN (%d);",$start,$end,$viewFilter);
break;
case "teacher":
$safeSql = $wpdb->prepare("SELECT * FROM $lecturesView WHERE DATE(start) BETWEEN %s AND %s AND teacherID IN (%d);",$start,$end,$viewFilter);
break;
case "classroom":
$safeSql = $wpdb->prepare("SELECT * FROM $lecturesView WHERE DATE(start) BETWEEN %s AND %s AND classroomID IN (%d);",$start,$end,$viewFilter);
break;
}
$lecturesTable = $wpdb->prefix."utt_lectures";
//select filtered lectures
$lectures = $wpdb->get_results($safeSql);
//array which is going to be converted to json response
$jsonResponse = array();
//load different colors when filtered by teacher
require('calendarColors.php');
foreach($lectures as $lecture){
//if filtered by teacher load colors from calendarColors.php
if($viewType=="teacher"){
switch($lecture->subjectType){
case "L":
$color = $colors[$lecture->semester-1][0];
break;
case "T":
$color = $colors[$lecture->semester-1][1];
break;
case "PE":
$color = $colors[$lecture->semester-1][2];
break;
}
}else{
$color = "#".$lecture->color;
}
//translate subject type
if($lecture->subjectType == "T"){
$subjectType = __("T","UniTimetable");
}else if($lecture->subjectType == "L"){
$subjectType = __("L","UniTimetable");
}else{
$subjectType = __("PE","UniTimetable");
}
//lecture response data
$result = array();
$result['title'] = $lecture->subjectTitle." ".$subjectType.", ".$lecture->groupName.", ".$lecture->teacherSurname." ".$lecture->teacherName.", ".$lecture->classroomName;
$result['start'] = $lecture->start;
$result['end'] = $lecture->end;
$result['periodID'] = $lecture->periodID;
$result['semester'] = $lecture->semester;
$result['subjectID'] = $lecture->subjectID;
$result['groupID'] = $lecture->groupID;
$result['teacherID'] = $lecture->teacherID;
$result['classroomID'] = $lecture->classroomID;
$result['lectureID'] = $lecture->lectureID;
$result['start2'] = $lecture->start;
$result['end2'] = $lecture->end;
$result['color'] = $color;
$result['textColor'] = "black";
$result['descr'] = "";
array_push($jsonResponse,$result);
}
//define holidays table
$holidaysTable = $wpdb->prefix."utt_holidays";
//select holidays of selected week
$holidays = $wpdb->get_results($wpdb->prepare("SELECT * FROM $holidaysTable WHERE holidayDate BETWEEN %s AND %s;",$start,$end));
foreach($holidays as $holiday){
//holiday response data
$result = array();
$result['title'] = $holiday->holidayName;
$result['allDay'] = true;
$result['start'] = $holiday->holidayDate;
$result['color'] = "red";
$result['textColor'] = "black";
$result['descr'] = "";
$result['buttons'] = false;
array_push($jsonResponse,$result);
}
//define events table
$eventsTable = $wpdb->prefix."utt_events";
//define classrooms table
$classroomsTable = $wpdb->prefix."utt_classrooms";
//if filtered by classroom show events for selected classroom
if($viewType=="classroom"){
$events = $wpdb->get_results($wpdb->prepare("SELECT * FROM $eventsTable,$classroomsTable WHERE $eventsTable.classroomID=$classroomsTable.classroomID AND DATE(eventStart) BETWEEN %s AND %s AND $eventsTable.classroomID=%d;",$start,$end,$viewFilter));
$queryExtension = "";
}else{
$events = $wpdb->get_results($wpdb->prepare("SELECT * FROM $eventsTable,$classroomsTable WHERE $eventsTable.classroomID=$classroomsTable.classroomID AND DATE(eventStart) BETWEEN %s AND %s;",$start,$end));
$queryExtension = "";
}
//select events for selected week
foreach($events as $event){
//translate event type
switch($event->eventType){
case "Thesis":
$eventType = __("Thesis","UniTimetable");
break;
case "Speech":
$eventType = __("Speech","UniTimetable");
break;
case "Presentation":
$eventType = __("Presentation","UniTimetable");
break;
case "Students Team":
$eventType = __("Students Team","UniTimetable");
break;
case "Graduation":
$eventType = __("Graduation","UniTimetable");
break;
}
//event response data
$result = array();
$result['title'] = $eventType.", ".$event->eventTitle.", ".$event->name;
$result['start'] = $event->eventStart;
$result['end'] = $event->eventEnd;
$result['color'] = "black";
$result['textColor'] = "white";
$result['descr'] = ", ".$event->eventDescr;
$result['buttons'] = false;
array_push($jsonResponse,$result);
}
//echo json to let calendar use it to show lectures, events and holidays
echo json_encode($jsonResponse);
die();
}
//ajax response load filter
add_action('wp_ajax_utt_load_filter_front', 'utt_load_filter_front');
add_action('wp_ajax_nopriv_utt_load_filter_front', 'utt_load_filter_front');
function utt_load_filter_front(){
global $wpdb;
$viewType = $_GET['viewType'];
echo "<select name='filterSelect2' id='filterSelect2' onchange='filterFunction();'>";
echo "<option value='0'>".__("- select -","UniTimetable")."</option>";
//load second filter depending on the first one
switch($viewType){
case "semester":
for($i=1;$i<11;$i++){
echo "<option value='$i'>$i</option>";
}
break;
case "teacher":
$teachersTable = $wpdb->prefix."utt_teachers";
$teachers = $wpdb->get_results("SELECT * FROM $teachersTable ORDER BY surname, name;");
foreach($teachers as $teacher){
echo "<option value='$teacher->teacherID'>$teacher->surname $teacher->name </option>";
}
break;
case "classroom":
$classroomsTable = $wpdb->prefix."utt_classrooms";
$classrooms = $wpdb->get_results("SELECT * FROM $classroomsTable ORDER BY name;");
foreach($classrooms as $classroom){
echo "<option value='$classroom->classroomID'>$classroom->name </option>";
}
break;
}
echo "</select>";
die();
}
?>