From eeac2329baab1fdae7cbf6c707ed2ffd8beb4c1b Mon Sep 17 00:00:00 2001
From: Frederic Guillot <fred@kanboard.net>
Date: Sun, 24 May 2015 16:02:25 -0400
Subject: Helpers refactoring

---
 app/Helper/Form.php | 323 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 323 insertions(+)
 create mode 100644 app/Helper/Form.php

(limited to 'app/Helper/Form.php')

diff --git a/app/Helper/Form.php b/app/Helper/Form.php
new file mode 100644
index 00000000..83e3b113
--- /dev/null
+++ b/app/Helper/Form.php
@@ -0,0 +1,323 @@
+<?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]).'"' : '';
+    }
+}
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