Chamilo is a learning management system focused on ease of use and accessibility
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chamilo-lms/main/inc/lib/timeline.lib.php

261 lines
9.1 KiB

<?php
/* For licensing terms, see /license.txt */
/**
* This class provides methods for the timeline management.
* @package chamilo.library
* @package chamilo.timeline
*/
/**
* Init
*/
define('TIMELINE_STATUS_ACTIVE', '1');
define('TIMELINE_STATUS_INACTIVE', '2');
/**
* Timeline model class definition
*/
class Timeline extends Model
{
public $table;
public $columns = array('headline', 'type', 'start_date', 'end_date', 'text', 'media', 'media_credit', 'media_caption', 'title_slide', 'parent_id', 'status','c_id');
public $is_course_model = true;
public function __construct()
{
$this->table = Database::get_course_table(TABLE_TIMELINE);
}
/**
* Get the count of elements
*/
public function get_count()
{
$course_id = api_get_course_int_id();
$row = Database::select('count(*) as count', $this->table, array('where' => array('parent_id = ? AND c_id = ?' => array('0', $course_id))), 'first');
return $row['count'];
}
/**
* @param array $where_conditions
* @return array
*/
public function get_all($where_conditions = array())
{
return Database::select('*',$this->table, array('where'=>$where_conditions,'order' =>'headline ASC'));
}
/**
* Displays the title + grid
*/
public function listing()
{
// action links
$html = '<div class="actions">';
//$html .= '<a href="career_dashboard.php">'.Display::return_icon('back.png',get_lang('Back'),'','32').'</a>';
$html .= '<a href="'.api_get_self().'?action=add">'.Display::return_icon('add.png', get_lang('Add'),'','32').'</a>';
$html .= '</div>';
$html .= Display::grid_html('timelines');
return $html;
}
public function get_status_list()
{
return array(TIMELINE_STATUS_ACTIVE => get_lang('Active'), TIMELINE_STATUS_INACTIVE => get_lang('Inactive'));
}
/**
* Returns a Form validator Obj
* @todo the form should be auto generated
* @param string url
* @param string action add, edit
* @return obj form validator obj
*/
public function return_form($url, $action)
{
$form = new FormValidator('timeline', 'post', $url);
// Setting the form elements
$header = get_lang('Add');
if ($action == 'edit') {
$header = get_lang('Modify');
}
$form->addElement('header', $header);
$id = isset($_GET['id']) ? intval($_GET['id']) : '';
$form->addElement('hidden', 'id', $id);
$form->addElement('text', 'headline', get_lang('Name'), array('size' => '70'));
//$form->add_html_editor('description', get_lang('Description'), false, false, array('ToolbarSet' => 'careers','Width' => '100%', 'Height' => '250'));
$status_list = $this->get_status_list();
$form->addElement('select', 'status', get_lang('Status'), $status_list);
if ($action == 'edit') {
//$form->addElement('text', 'created_at', get_lang('CreatedAt'));
//$form->freeze('created_at');
}
if ($action == 'edit') {
$form->addElement('style_submit_button', 'submit', get_lang('Modify'), 'class="save"');
} else {
$form->addElement('style_submit_button', 'submit', get_lang('Add'), 'class="save"');
}
$form->addRule('headline', get_lang('ThisFieldIsRequired'), 'required');
// Setting the defaults
$defaults = $this->get($id);
/*if (!empty($defaults['created_at'])) {
$defaults['created_at'] = api_convert_and_format_date($defaults['created_at']);
}
if (!empty($defaults['updated_at'])) {
$defaults['updated_at'] = api_convert_and_format_date($defaults['updated_at']);
}*/
$form->setDefaults($defaults);
// Setting the rules
$form->addRule('headline', get_lang('ThisFieldIsRequired'), 'required');
return $form;
}
/**
* @param $url
* @param $action
* @return FormValidator
*/
public function return_item_form($url, $action)
{
$form = new FormValidator('item_form', 'post', $url);
// Setting the form elements
$header = get_lang('Add');
if ($action == 'edit') {
$header = get_lang('Modify');
}
$form->addElement('header', $header);
$id = isset($_GET['id']) ? intval($_GET['id']) : '';
$parent_id = isset($_GET['parent_id']) ? intval($_GET['parent_id']) : '';
$form->addElement('hidden', 'parent_id', $parent_id);
$form->addElement('hidden', 'id', $id);
$form->addElement('text', 'headline', get_lang('Name'), array('class' => 'span4'));
//@todo fix this
$form->addElement('text', 'start_date', get_lang('StartDate'), array('size' => '70'));
$form->addElement('text', 'end_date', get_lang('EndDate'), array('size' => '70'));
$form->addElement('textarea', 'text', get_lang('TimelineItemText'), array('class' => 'span3'));
$form->addElement('text', 'media', get_lang('TimelineItemMedia'), array('size' => '70'));
$form->addElement('text', 'media_caption', get_lang('TimelineItemMediaCaption'), array('size' => '70'));
$form->addElement('text', 'media_credit', get_lang('TimelineItemMediaCredit'), array('size' => '70'));
$form->addElement('text', 'title_slide', get_lang('TimelineItemTitleSlide'), array('size' => '70'));
$form->addRule('headline', get_lang('ThisFieldIsRequired'), 'required');
$form->addRule('start_date', get_lang('ThisFieldIsRequired'), 'required');
//$form->add_html_editor('description', get_lang('Description'), false, false, array('ToolbarSet' => 'careers','Width' => '100%', 'Height' => '250'));
if ($action == 'edit') {
// Setting the defaults
$defaults = $this->get($id);
$form->addElement('style_submit_button', 'submit', get_lang('Modify'), 'class="save"');
} else {
$form->addElement('style_submit_button', 'submit', get_lang('Add'), 'class="save"');
}
/*if (!empty($defaults['created_at'])) {
$defaults['created_at'] = api_convert_and_format_date($defaults['created_at']);
}
if (!empty($defaults['updated_at'])) {
$defaults['updated_at'] = api_convert_and_format_date($defaults['updated_at']);
}*/
$form->setDefaults($defaults);
// Setting the rules
$form->addRule('headline', get_lang('ThisFieldIsRequired'), 'required');
return $form;
}
/**
* @param array $params
* @return bool
*/
public function save_item($params)
{
$params['c_id'] = api_get_course_int_id();
$id = parent::save($params);
if (!empty($id)) {
//event_system(LOG_CAREER_CREATE, LOG_CAREER_ID, $id, api_get_utc_datetime(), api_get_user_id());
}
return $id;
}
/**
* @param array $params
* @return bool
*/
public function save($params) {
$params['c_id'] = api_get_course_int_id();
$params['parent_id'] = '0';
$params['type'] = 'default';
$id = parent::save($params);
if (!empty($id)) {
//event_system(LOG_CAREER_CREATE, LOG_CAREER_ID, $id, api_get_utc_datetime(), api_get_user_id());
}
return $id;
}
public function delete($id) {
parent::delete($id);
//event_system(LOG_CAREER_DELETE, LOG_CAREER_ID, $id, api_get_utc_datetime(), api_get_user_id());
}
public function get_url($id) {
return api_get_path(WEB_AJAX_PATH).'timeline.ajax.php?a=get_timeline_content&id='.intval($id);
}
public function get_timeline_content($id) {
$timeline = array();
$course_id = api_get_course_int_id();
$timeline['timeline'] = $this->process_item($this->get($id));
$items = $this->process_items($this->get_all(array('parent_id = ? AND c_id = ? ' =>array($id, $course_id))));
$timeline['timeline']['date'] = $items;
return $timeline;
}
function process_items($items) {
foreach ($items as &$item) {
$item = $this->process_item($item);
}
$new_array = array();
foreach ($items as $item) {
$new_array[] = $item;
}
return $new_array;
}
function process_item($item) {
$item['startDate'] = $item['start_date'];
unset($item['start_date']);
if (!empty($item['end_date'])) {
$item['endDate'] = $item['end_date'];
} else {
unset($item['endDate']);
}
unset($item['end_date']);
// Assets
$item['asset'] = array( 'media' => $item['media'],
'credit' => $item['media_credit'],
'caption' => $item['media_caption'],
);
//Cleaning items
unset($item['id']);
if (empty($item['type'])) {
unset($item['type']);
}
unset($item['media']);
unset($item['media_credit']);
unset($item['media_caption']);
unset($item['status']);
unset($item['title_slide']);
unset($item['parent_id']);
unset($item['c_id']);
return $item;
}
}