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<?php
namespace Helper;
use Core\Security;
/**
* Form helpers
*
* @package helper
* @author Frederic Guillot
*/
class Form extends \Core\Base
{
/**
* Hidden CSRF token field
*
* @access public
* @return string
*/
public function csrf()
{
return '<input type="hidden" name="csrf_token" value="'.Security::getCSRFToken().'"/>';
}
/**
* Display a hidden form field
*
* @access public
* @param string $name Field name
* @param array $values Form values
* @return string
*/
public function hidden($name, array $values = array())
{
return '<input type="hidden" name="'.$name.'" id="form-'.$name.'" '.$this->formValue($values, $name).'/>';
}
/**
* Display a select field
*
* @access public
* @param string $name Field name
* @param array $options Options
* @param array $values Form values
* @param array $errors Form errors
* @param string $class CSS class
* @return string
*/
public function select($name, array $options, array $values = array(), array $errors = array(), array $attributes = array(), $class = '')
{
$html = '<select name="'.$name.'" id="form-'.$name.'" class="'.$class.'" '.implode(' ', $attributes).'>';
foreach ($options as $id => $value) {
$html .= '<option value="'.$this->helper->e($id).'"';
if (isset($values->$name) && $id == $values->$name) $html .= ' selected="selected"';
if (isset($values[$name]) && $id == $values[$name]) $html .= ' selected="selected"';
$html .= '>'.$this->helper->e($value).'</option>';
}
$html .= '</select>';
$html .= $this->errorList($errors, $name);
return $html;
}
/**
* Display a radio field group
*
* @access public
* @param string $name Field name
* @param array $options Options
* @param array $values Form values
* @return string
*/
public function radios($name, array $options, array $values = array())
{
$html = '';
foreach ($options as $value => $label) {
$html .= $this->radio($name, $label, $value, isset($values[$name]) && $values[$name] == $value);
}
return $html;
}
/**
* Display a radio field
*
* @access public
* @param string $name Field name
* @param string $label Form label
* @param string $value Form value
* @param boolean $selected Field selected or not
* @param string $class CSS class
* @return string
*/
public function radio($name, $label, $value, $selected = false, $class = '')
{
return '<label><input type="radio" name="'.$name.'" class="'.$class.'" value="'.$this->helper->e($value).'" '.($selected ? 'checked="checked"' : '').'> '.$this->helper->e($label).'</label>';
}
/**
* Display a checkbox field
*
* @access public
* @param string $name Field name
* @param string $label Form label
* @param string $value Form value
* @param boolean $checked Field selected or not
* @param string $class CSS class
* @return string
*/
public function checkbox($name, $label, $value, $checked = false, $class = '')
{
return '<label><input type="checkbox" name="'.$name.'" class="'.$class.'" value="'.$this->helper->e($value).'" '.($checked ? 'checked="checked"' : '').'> '.$this->helper->e($label).'</label>';
}
/**
* Display a form label
*
* @access public
* @param string $name Field name
* @param string $label Form label
* @param array $attributes HTML attributes
* @return string
*/
public function label($label, $name, array $attributes = array())
{
return '<label for="form-'.$name.'" '.implode(' ', $attributes).'>'.$this->helper->e($label).'</label>';
}
/**
* Display a textarea
*
* @access public
* @param string $name Field name
* @param array $values Form values
* @param array $errors Form errors
* @param array $attributes HTML attributes
* @param string $class CSS class
* @return string
*/
public function textarea($name, $values = array(), array $errors = array(), array $attributes = array(), $class = '')
{
$class .= $this->errorClass($errors, $name);
$html = '<textarea name="'.$name.'" id="form-'.$name.'" class="'.$class.'" ';
$html .= implode(' ', $attributes).'>';
$html .= isset($values->$name) ? $this->helper->e($values->$name) : isset($values[$name]) ? $values[$name] : '';
$html .= '</textarea>';
$html .= $this->errorList($errors, $name);
return $html;
}
/**
* Display a input field
*
* @access public
* @param string $type HMTL input tag type
* @param string $name Field name
* @param array $values Form values
* @param array $errors Form errors
* @param array $attributes HTML attributes
* @param string $class CSS class
* @return string
*/
public function input($type, $name, $values = array(), array $errors = array(), array $attributes = array(), $class = '')
{
$class .= $this->errorClass($errors, $name);
$html = '<input type="'.$type.'" name="'.$name.'" id="form-'.$name.'" '.$this->formValue($values, $name).' class="'.$class.'" ';
$html .= implode(' ', $attributes).'>';
if (in_array('required', $attributes)) {
$html .= '<span class="form-required">*</span>';
}
$html .= $this->errorList($errors, $name);
return $html;
}
/**
* Display a text field
*
* @access public
* @param string $name Field name
* @param array $values Form values
* @param array $errors Form errors
* @param array $attributes HTML attributes
* @param string $class CSS class
* @return string
*/
public function text($name, $values = array(), array $errors = array(), array $attributes = array(), $class = '')
{
return $this->input('text', $name, $values, $errors, $attributes, $class);
}
/**
* Display a password field
*
* @access public
* @param string $name Field name
* @param array $values Form values
* @param array $errors Form errors
* @param array $attributes HTML attributes
* @param string $class CSS class
* @return string
*/
public function password($name, $values = array(), array $errors = array(), array $attributes = array(), $class = '')
{
return $this->input('password', $name, $values, $errors, $attributes, $class);
}
/**
* Display an email field
*
* @access public
* @param string $name Field name
* @param array $values Form values
* @param array $errors Form errors
* @param array $attributes HTML attributes
* @param string $class CSS class
* @return string
*/
public function email($name, $values = array(), array $errors = array(), array $attributes = array(), $class = '')
{
return $this->input('email', $name, $values, $errors, $attributes, $class);
}
/**
* Display a number field
*
* @access public
* @param string $name Field name
* @param array $values Form values
* @param array $errors Form errors
* @param array $attributes HTML attributes
* @param string $class CSS class
* @return string
*/
public function number($name, $values = array(), array $errors = array(), array $attributes = array(), $class = '')
{
return $this->input('number', $name, $values, $errors, $attributes, $class);
}
/**
* Display a numeric field (allow decimal number)
*
* @access public
* @param string $name Field name
* @param array $values Form values
* @param array $errors Form errors
* @param array $attributes HTML attributes
* @param string $class CSS class
* @return string
*/
public function numeric($name, $values = array(), array $errors = array(), array $attributes = array(), $class = '')
{
return $this->input('text', $name, $values, $errors, $attributes, $class.' form-numeric');
}
/**
* Display the form error class
*
* @access private
* @param array $errors Error list
* @param string $name Field name
* @return string
*/
private function errorClass(array $errors, $name)
{
return ! isset($errors[$name]) ? '' : ' form-error';
}
/**
* Display a list of form errors
*
* @access private
* @param array $errors List of errors
* @param string $name Field name
* @return string
*/
private function errorList(array $errors, $name)
{
$html = '';
if (isset($errors[$name])) {
$html .= '<ul class="form-errors">';
foreach ($errors[$name] as $error) {
$html .= '<li>'.$this->helper->e($error).'</li>';
}
$html .= '</ul>';
}
return $html;
}
/**
* Get an escaped form value
*
* @access private
* @param mixed $values Values
* @param string $name Field name
* @return string
*/
private function formValue($values, $name)
{
if (isset($values->$name)) {
return 'value="'.$this->helper->e($values->$name).'"';
}
return isset($values[$name]) ? 'value="'.$this->helper->e($values[$name]).'"' : '';
}
}
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