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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"' : '').'>&nbsp;'.$this->helper->e($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]).'"' : '';
+ }
+}