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530 lines
16 KiB
530 lines
16 KiB
<?php
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/**
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* Class ChamiloForm
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*/
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abstract class ChamiloForm
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{
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protected $_form;
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protected $_mode;
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protected $_cancelurl;
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protected $_customdata;
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public $_definition_finalized;
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/**
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* ChamiloForm constructor.
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* @param $mode
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* @param $returnurl
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* @param $cancelurl
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* @param $customdata
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*/
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public function __construct($mode, $returnurl, $cancelurl, $customdata = [])
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{
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global $text_dir;
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$this->_mode = $mode;
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$this->_cancelurl = $cancelurl;
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$this->_customdata = $customdata;
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$attributes = array('style' => 'width: 60%; float: '.($text_dir == 'rtl' ? 'right;' : 'left;'));
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// $this->_form = new FormValidator($mode.'_instance', 'post', $returnurl, '', $attributes, true);
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$this->_form = new FormValidator($mode.'_instance', 'post', $returnurl, '', $attributes);
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}
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public abstract function definition();
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public abstract function validation($data, $files = null);
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public function validate(
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) {
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return $this->_form->validate();
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}
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public function display()
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{
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return $this->_form->display();
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}
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public function definition_after_data() {
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}
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public function return_form()
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{
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return $this->_form->toHtml();
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}
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public function is_in_add_mode()
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{
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return $this->_mode == 'add';
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}
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/**
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* Return submitted data if properly submitted or returns NULL if validation fails or
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* if there is no submitted data.
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*
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* @param bool $slashed true means return data with addslashes applied
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* @return object submitted data; NULL if not valid or not submitted
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*/
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public function get_data($slashed = true)
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{
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$cform = & $this->_form;
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if ($this->is_submitted() and $this->is_validated()) {
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$data = $cform->exportValues(null, $slashed);
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unset($data['sesskey']); // we do not need to return sesskey
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if (empty($data)) {
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return null;
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} else {
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return (object) $data;
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}
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} else {
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return null;
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}
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}
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/**
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* Return submitted data without validation or NULL if there is no submitted data.
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*
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* @param bool $slashed true means return data with addslashes applied
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* @return object submitted data; NULL if not submitted
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*/
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public function get_submitted_data($slashed = true)
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{
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$cform = & $this->_form;
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if ($this->is_submitted()) {
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$data = $cform->exportValues(null, $slashed);
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unset($data['sesskey']); // we do not need to return sesskey
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if (empty($data)) {
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return null;
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} else {
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return (object) $data;
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}
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} else {
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return null;
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}
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}
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/**
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* Check that form was submitted. Does not check validity of submitted data.
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*
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* @return bool true if form properly submitted
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*/
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public function is_submitted()
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{
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return $this->_form->isSubmitted();
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}
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/**
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* Return true if a cancel button has been pressed resulting in the form being submitted.
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*
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* @return bool true if a cancel button has been pressed
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*/
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public function is_cancelled()
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{
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$cform = & $this->_form;
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if ($cform->isSubmitted()) {
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foreach ($cform->_cancelButtons as $cancelbutton) {
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if (optional_param($cancelbutton, 0, PARAM_RAW)) {
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return true;
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}
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}
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}
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return false;
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}
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/**
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* Check that form data is valid.
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* You should almost always use this, rather than {@see validate_defined_fields}
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*
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* @return bool true if form data valid
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*/
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public function is_validated()
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{
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//finalize the form definition before any processing
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if (!$this->_definition_finalized) {
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$this->_definition_finalized = true;
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$this->definition_after_data();
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}
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return $this->validate_defined_fields();
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}
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/**
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* Validate the form.
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*
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* You almost always want to call {@see is_validated} instead of this
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* because it calls {@see definition_after_data} first, before validating the form,
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* which is what you want in 99% of cases.
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*
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* This is provided as a separate function for those special cases where
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* you want the form validated before definition_after_data is called
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* for example, to selectively add new elements depending on a no_submit_button press,
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* but only when the form is valid when the no_submit_button is pressed,
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*
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* @param boolean $validateonnosubmit optional, defaults to false. The default behaviour
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* is NOT to validate the form when a no submit button has been pressed.
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* pass true here to override this behaviour
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*
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* @return bool true if form data valid
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*/
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public function validate_defined_fields($validateonnosubmit = false)
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{
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static $validated = null; // one validation is enough
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$cform = & $this->_form;
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if ($this->no_submit_button_pressed() && empty($validateonnosubmit)) {
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return false;
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} elseif ($validated === null) {
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$internal_val = $cform->validate();
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$files = array();
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$file_val = $this->_validate_files($files);
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if ($file_val !== true) {
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if (!empty($file_val)) {
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foreach ($file_val as $element => $msg) {
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$cform->setElementError($element, $msg);
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}
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}
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$file_val = false;
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}
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$data = $cform->exportValues(null, true);
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$chamilo_val = $this->validation($data, $files);
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if ((is_array($chamilo_val) && count($chamilo_val) !== 0)) {
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// non-empty array means errors
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foreach ($chamilo_val as $element => $msg) {
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$cform->setElementError($element, $msg);
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}
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$chamilo_val = false;
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} else {
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// anything else means validation ok
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$chamilo_val = true;
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}
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$validated = ($internal_val and $chamilo_val and $file_val);
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}
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return $validated;
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}
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public function no_submit_button_pressed()
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{
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static $nosubmit = null; // one check is enough
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if (!is_null($nosubmit)) {
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return $nosubmit;
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}
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$cform = & $this->_form;
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$nosubmit = false;
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if (!$this->is_submitted()) {
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return false;
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}
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/*
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foreach ($cform->_noSubmitButtons as $nosubmitbutton){
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if (optional_param($nosubmitbutton, 0, PARAM_RAW)){
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$nosubmit = true;
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break;
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}
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}
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return $nosubmit;
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*/
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return false;
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}
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/**
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* Load in existing data as form defaults. Usually new entry defaults are stored directly in
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* form definition (new entry form); this function is used to load in data where values
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* already exist and data is being edited (edit entry form).
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*
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* @param mixed $default_values object or array of default values
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* @param bool $slashed true if magic quotes applied to data values
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*/
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public function set_data($default_values, $slashed = false)
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{
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if (is_object($default_values)) {
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$default_values = (array) $default_values;
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}
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$filter = $slashed ? 'stripslashes' : NULL;
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$this->_form->setDefaults($default_values, $filter);
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}
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/**
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* Internal method. Validates all uploaded files.
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*/
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public function _validate_files(&$files)
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{
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$files = array();
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if (empty($_FILES)) {
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// we do not need to do any checks because no files were submitted
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// note: server side rules do not work for files - use custom verification in validate() instead
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return true;
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}
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$errors = array();
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$mform = & $this->_form;
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// check the files
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$status = $this->_upload_manager->preprocess_files();
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// now check that we really want each file
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foreach ($_FILES as $elname => $file) {
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if ($mform->elementExists($elname) and $mform->getElementType($elname) == 'file') {
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$required = $mform->isElementRequired($elname);
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if (!empty($this->_upload_manager->files[$elname]['uploadlog']) &&
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empty($this->_upload_manager->files[$elname]['clear'])
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) {
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if (!$required and $file['error'] == UPLOAD_ERR_NO_FILE) {
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// file not uploaded and not required - ignore it
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continue;
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}
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$errors[$elname] = $this->_upload_manager->files[$elname]['uploadlog'];
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} else if (!empty($this->_upload_manager->files[$elname]['clear'])) {
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$files[$elname] = $this->_upload_manager->files[$elname]['tmp_name'];
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}
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} else {
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error('Incorrect upload attempt!');
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}
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}
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// return errors if found
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if ($status && 0 == count($errors)) {
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return true;
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} else {
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$files = array();
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return $errors;
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}
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}
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}
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/**
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* Class InstanceForm
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*/
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class InstanceForm extends ChamiloForm
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{
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/** @var Plugin */
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public $_plugin;
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public $instance;
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/**
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* InstanceForm constructor.
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* @param $plugin
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* @param string $mode
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*/
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public function __construct($plugin, $mode = 'add', $instance = [])
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{
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global $_configuration;
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$this->_plugin = $plugin;
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$returnUrl = $_configuration['root_web'].'plugin/vchamilo/views/editinstance.php';
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if ($mode == 'update') {
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$returnUrl = $_configuration['root_web'].'plugin/vchamilo/views/editinstance.php?vid='.intval($_GET['vid']);
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}
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$cancelurl = $_configuration['root_web'].'plugin/vchamilo/views/manage.php';
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parent::__construct($mode, $returnUrl, $cancelurl);
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$this->instance = $instance;
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$this->definition();
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}
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/**
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*
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*/
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public function definition()
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{
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global $_configuration;
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$form = $this->_form;
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$plugin = $this->_plugin;
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$form->addElement('hidden', 'vid');
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$form->addElement('hidden', 'what', $this->_mode.'instance');
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$form->addElement('hidden', 'registeronly');
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$form->addHeader($plugin->get_lang('hostdefinition'));
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$form->addText('sitename', [$plugin->get_lang('sitename'), $plugin->get_lang('SiteNameExample')]);
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$form->applyFilter('sitename', 'trim');
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$form->addText('institution', [$plugin->get_lang('institution'), $plugin->get_lang('InstitutionExample')]);
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$form->applyFilter('institution', 'trim');
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// Host's name.
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$elementWeb = $form->addElement(
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'text',
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'root_web',
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[$this->_plugin->get_lang('rootweb'), $plugin->get_lang('RootWebExample')]
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);
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$form->applyFilter('root_web', 'trim');
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$form->addElement(
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'text',
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'url_append',
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['url_append', $plugin->get_lang('UrlAppendExample')]
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);
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if ($this->_mode == 'update') {
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$encryptList = Virtual::getEncryptList();
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$encryptMethod = $form->addElement(
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'select',
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'password_encryption',
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get_lang('EncryptMethodUserPass'),
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$encryptList
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);
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$encryptMethod->freeze();
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$elementWeb->freeze();
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}
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/*
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* Database fieldset.
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*/
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$form->addElement('header', $plugin->get_lang('dbgroup'));
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// Database host.
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$form->addElement('text', 'db_host', $this->_plugin->get_lang('dbhost'), array('id' => 'id_vdbhost'));
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$form->applyFilter('db_host', 'trim');
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// Database login.
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$form->addElement('text', 'db_user', $this->_plugin->get_lang('dbuser'), array('id' => 'id_vdbuser'));
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$form->applyFilter('db_user', 'trim');
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// Database password.
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$form->addElement(
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'password',
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'db_password',
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$this->_plugin->get_lang('dbpassword'),
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array('id' => 'id_vdbpassword')
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);
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// Database name.
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$form->addText('main_database', [$plugin->get_lang('maindatabase'), $plugin->get_lang('DatabaseDescription')]);
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// Button for testing database connection.
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$form->addElement(
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'button',
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'testconnection',
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$this->_plugin->get_lang('testconnection'),
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'check',
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'default',
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'default',
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'',
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'onclick="opencnxpopup(\''.$_configuration['root_web'].'\'); return false;"'
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);
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$form->addText('archive_url', $this->_plugin->get_lang('ArchiveUrl'));
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$form->addText('home_url', $this->_plugin->get_lang('HomeUrl'));
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$form->addText('upload_url', $this->_plugin->get_lang('UploadUrl'));
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$form->addText(
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'css_theme_folder',
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[
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$this->_plugin->get_lang('ThemeFolder'),
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$this->_plugin->get_lang('ThemeFolderExplanation'),
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],
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false
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);
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//$form->addText('course_url', $this->_plugin->get_lang('CourseUrl'));
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/**
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* Template selection.
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*/
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if ($this->is_in_add_mode()) {
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$form->addElement('header', $this->_plugin->get_lang('templating'));
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$templateoptions = Virtual::getAvailableTemplates();
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// Template choice
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$form->addSelect(
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'template',
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$this->_plugin->get_lang('template'),
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$templateoptions
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);
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} else {
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if ($this->instance) {
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$form->addLabel(
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'slug',
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$this->instance['slug']
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);
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$form->addLabel(
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'archive_real_root',
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api_add_trailing_slash(Virtual::getConfig('vchamilo', 'archive_real_root')).
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$this->instance['slug']
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);
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$form->addLabel(
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'course_real_root',
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api_add_trailing_slash(Virtual::getConfig('vchamilo', 'course_real_root')).
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$this->instance['slug']
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);
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$form->addLabel(
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'home_real_root',
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api_add_trailing_slash(Virtual::getConfig('vchamilo', 'home_real_root')).$this->instance['slug']
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);
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$form->addLabel(
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'upload_real_root',
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api_add_trailing_slash(Virtual::getConfig('vchamilo', 'upload_real_root')).$this->instance['slug']
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);
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$form->addLabel(
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$this->_plugin->get_lang('template'),
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$this->instance['template']
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);
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}
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}
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$form->addButtonSave($this->_plugin->get_lang('savechanges'), 'submitbutton');
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// Rules
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$form->addRule('sitename', $this->_plugin->get_lang('sitenameinputerror'), 'required', null, 'client');
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$form->addRule(
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'institution',
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$this->_plugin->get_lang('institutioninputerror'),
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'required',
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null,
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'client'
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);
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$form->addRule('root_web', $this->_plugin->get_lang('rootwebinputerror'), 'required', null, 'client');
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$form->addRule(
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'main_database',
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$this->_plugin->get_lang('databaseinputerror'),
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'required',
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null,
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'client'
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);
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}
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/**
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* @param array $data
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* @param null $files
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* @return array
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*/
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public function validation($data, $files = null)
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{
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global $plugin;
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$errors = array();
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$tablename = Database::get_main_table('vchamilo');
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$vchamilo = Database::select(
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'*',
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$tablename,
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array('where' => array(' root_web = ? ' => array($data['root_web']))),
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'first'
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);
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if ($vchamilo && isset($data['vid']) && $data['vid'] != $vchamilo['id']) {
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$errors['root_web'] = $plugin->get_lang('RootWebExists');
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}
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if (!empty($errors)) {
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return $errors;
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}
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}
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} |