diff --git a/src/Form.php b/src/Form.php
index abd418c..928137a 100644
--- a/src/Form.php
+++ b/src/Form.php
@@ -595,1710 +595,3 @@ class Form
   }
   // }}}
 }
-
-/** The definition of a formfield
-  */
-class Formfield
-{
-  /** The form name
-    */
-  public $formName;
-  /** The name of the field
-    */
-  public $name;
-  /** The label of the field
-    */
-  public $label;
-  /** The titles of the field
-    */
-  public $titles;
-  /** The defaults values of the field
-    */
-  public $defaults;
-  /** The type of the field (text, password, checkbox, select)
-    */
-  public $type="text";
-  /** The state of the field : hidden or show
-    */
-  public $hidden = false;
-  /** Allow a help message to be displayed below the field. In case of error,
-    * it is overrided by the error message
-    */
-  public $help;
-  /** Display the placeholder if needed
-    */
-  public $placeholder = false;
-  /** The multiplicity of selection of the field (available in select only)
-    */
-  public $multiple;
-  /** The name of group for the fields
-    */
-  public $group;
-  /** The read-only feature of the field
-    */
-  public $readonly;
-  /** The field is mandatory
-    */
-  public $mandatory;
-  /** The statut of error of the field
-    */
-  public $error;
-  /** Number of rows
-    */
-  public $rows;
-  /** Number of columns
-    */
-  public $cols;
-  /** The Bootstrap width of the column of titles
-    */
-  public $titlewidth = 2;
-  /** The Bootstrap width of the column of fields
-    */
-  public $fieldwidth = 10;
-
-  /** When adding a field, the name and the label are the minimum mandatory
-    * @param string $name Name of the field
-    * @param string|null $label Label of the field
-    */
-  public function __construct ($name, $label = "")
-  // {{{
-  {
-    $this->name = $name;
-    $this->label = $label;
-  }
-  // }}}
-
-  /** Display really the form
-    */
-  public function display ()
-  // {{{
-  {
-    $func = "field".$this->formTemplate.$this->type;
-    return $this->$func ();
-  }
-  // }}}
-
-  // Setters for all the properties of the class
-  // {{{
-  /** Set the type of the field
-    * @param string $val The value of the type of the field
-    */
-  public function type ($val)
-  {
-    $this->type = $val;
-    return $this;
-  }
-
-  /** Set the hidden of the field
-    * @param string $val The value of the hidden of the field
-    */
-  public function hidden ($val)
-  {
-    $this->hidden = !! $val;
-    return $this;
-  }
-
-  /** Set the help of the field
-    * @param string $val The value of the help of the field
-    */
-  public function help ($val)
-  {
-    $this->help = $val;
-    return $this;
-  }
-
-  /** Set the placeholder
-    * @param string $val The value of the placeholder
-    */
-  public function placeholder ($val)
-  {
-    $this->placeholder = $val;
-    return $this;
-  }
-
-  /** Set the multiple
-    * @param string $val The value of the multiple
-    */
-  public function multiple ($val)
-  {
-    $this->multiple = $val;
-    return $this;
-  }
-
-  /** Set the group
-    * @param string $val The value of the group
-    */
-  public function group ($val)
-  {
-    $this->group = $val;
-    return $this;
-  }
-
-  /** Set the readonly
-    * @param string $val The value of the readonly
-    */
-  public function readonly ($val)
-  {
-    $this->readonly = !! $val;
-    return $this;
-  }
-
-  /** Set the mandatory
-    * @param string $val The value of the mandatory
-    */
-  public function mandatory ($val)
-  {
-    $this->mandatory = !! $val;
-    return $this;
-  }
-
-  /** Set the rows
-    * @param string $val The value of the rows
-    */
-  public function rows ($val)
-  {
-    $this->rows = $val;
-    return $this;
-  }
-
-  /** Set the cols
-    * @param string $val The value of the cols
-    */
-  public function cols ($val)
-  {
-    $this->cols = $val;
-    return $this;
-  }
-  // }}}
-
-  //////////////////////////
-  ////    BOOTSTRAP3    ////
-  //////////////////////////
-  // {{{
-  /** Return the checkbox defined
-    */
-  private function fieldBootstrap3checkbox ()
-  // {{{
-  {
-    // No $this->multiple, $this->rows $this->cols $this->placeholder,
-    //    $this->maxlength
-    if (! is_array ($this->titles) || count ($this->titles) === 0)
-      $titles = array ("");
-    else
-      $titles = $this->titles;
-    $res = "";
-    $res .= "<div class='form-group";
-    if (isset ($this->errors))
-      $res .= " has-".$this->errors[0];
-    $res .= "'>\n";
-    if ($this->label !== "")
-    {
-      $res .= "    <label class='col-sm-$this->titlewidth control-label'";
-      if (is_array ($this->titles) && count ($this->titles) == 1 &&
-          reset ($this->titles) === "")
-      {
-        // If more than one title is set, the main label is unusable, so
-        // do not link it to the checkbox
-        // If there is no label on the checkbox, this label must be set
-        $res .= " for='".  $this->formName."_";
-        $res .= htmlspecialchars ($this->name, ENT_QUOTES);
-        $res .= "'";
-      }
-      if (isset ($this->hidden) && $this->hidden !== FALSE)
-        $res .= " style='display:none'";
-      $res .= ">";
-      $res .= htmlspecialchars ($this->label);
-      if (isset ($this->mandatory) && $this->mandatory !== FALSE)
-        $res .= " <span style='color:red'>*</span>";
-      else
-        $res .= "  ";
-      $res .= "</label>\n";
-    }
-    $res .= "    <div class='col-sm-$this->fieldwidth'>\n";
-    foreach ($titles as $key=>$val)
-    {
-      $res .= " <div class='checkbox'>\n";
-      $res .= "      <input type='hidden'";
-      $res .= " name='$this->formName"."[";
-      $res .= htmlspecialchars ($this->name, ENT_QUOTES)."]";
-      if (count ($titles) > 1)
-        $res .= "[$key]";
-      $res .= "' value='unset'";
-      $res .= "/>";
-      $res .= "<label for='$this->formName"."_";
-      $res .= htmlspecialchars ($this->name, ENT_QUOTES);
-      if (count ($titles) > 1)
-        $res .= "_$key";
-      $res .= "'>";
-      $res .= "<input type='checkbox'";
-      $res .= " name='$this->formName"."[";
-      $res .= htmlspecialchars ($this->name, ENT_QUOTES)."]";
-      if (count ($titles) > 1)
-        $res .= "[$key]";
-      $res .= "' id='$this->formName"."_";
-      $res .= htmlspecialchars ($this->name, ENT_QUOTES);
-      if (count ($titles) > 1)
-        $res .= "_$key";
-      $res .= "'";
-      if (isset ($this->readonly) && $this->readonly !== FALSE)
-        $res .= " disabled='disabled'";
-      // Do not check by default !
-      // Check is enable if not null and not false and not "unset" and not ""
-      if (count ($titles) === 1)
-      {
-        if (isset ($this->values) &&
-            $this->values !== null &&
-            $this->values !== false &&
-            $this->values !== "unset" &&
-            $this->values !== "")
-          $res .= " checked='checked'";
-        elseif (isset ($this->defaults) &&
-                $this->defaults !== null &&
-                $this->defaults !== false &&
-                $this->defaults !== "unset" &&
-                $this->defaults !== "")
-          $res .= " checked='checked'";
-      }
-      else
-      {
-        if (isset ($this->values[$key]))
-        {
-          if ($this->values[$key] !== null &&
-              $this->values[$key] !== false &&
-              $this->values[$key] !== "unset" &&
-              $this->values[$key] !== "")
-            $res .= " checked='checked'";
-        }
-        elseif (isset ($this->defaults[$key]))
-        {
-          if ($this->defaults[$key] !== null &&
-              $this->defaults[$key] !== false &&
-              $this->defaults[$key] !== "unset" &&
-              $this->defaults[$key] !== "")
-            $res .= " checked='checked'";
-        }
-      }
-      if (isset ($this->hidden) && $this->hidden !== FALSE)
-        $res .= " style='display:none'";
-      if (isset ($this->errors) || isset ($this->help))
-      {
-        $res .= " aria-describedby='".$this->formName."_";
-        $res .= htmlspecialchars ($this->name, ENT_QUOTES)."_help'";
-      }
-      $res .= "/>";
-      $res .= "$val</label>\n";
-      $res .= "</div>\n";
-    }
-
-    if (isset ($this->errors) || isset ($this->help))
-    {
-      $res .= "      <span class='help-block' id='$this->formName"."_";
-      $res .= htmlspecialchars ($this->name, ENT_QUOTES)."_help'>";
-      if (isset ($this->help))
-        $res .= "<span class='text-muted'>".$this->help."</span>";
-      if (isset ($this->help) && isset ($this->errors))
-        $res .= "<br/>";
-      if (isset ($this->errors))
-        $res .= htmlspecialchars ($this->errors[1]);
-      $res .= "</span>\n";
-    }
-    $res .= "    </div>\n"; // End controls
-    $res .= "  </div>\n"; // End form-group
-    return $res;
-  }
-  // }}}
-
-  /** Return the hidden field defined
-    */
-  private function fieldBootstrap3hidden ()
-  // {{{
-  {
-    $res = "";
-    // No $this->label, $this->multiple, $this->readonly, $this->hidden,
-    // $this->rows $this->cols $this->placeholder $this->maxlength
-    $res .= "<input type='hidden'";
-    $res .= " name='$this->formName"."[";
-    $res .= htmlspecialchars ($this->name, ENT_QUOTES)."]'";
-    $res .= " id='$this->formName"."_";
-    $res .= htmlspecialchars ($this->name, ENT_QUOTES)."'";
-    if (isset ($this->values))
-      $res .= " value='".htmlspecialchars ($this->values)."'";
-    else
-      $res .= " value='".htmlspecialchars ($this->defaults)."'";
-    $res .= "/>\n";
-    return $res;
-  }
-  // }}}
-
-  /** Return the password field defined
-    */
-  private function fieldBootstrap3password ()
-  // {{{
-  {
-    $res = "";
-    // No $this->multiple, $this->rows $this->cols
-    $res .= "<div class='form-group";
-    if (isset ($this->errors))
-      $res .= " has-".$this->errors[0];
-    $res .= "'>\n";
-    if ($this->label !== "")
-    {
-      $res .= "    <label class='col-sm-$this->titlewidth control-label' for='".
-              $this->formName."_";
-      $res .= htmlspecialchars ($this->name, ENT_QUOTES)."'";
-      if (isset ($this->hidden) && $this->hidden !== FALSE)
-        $res .= " style='display:none'";
-      $res .= ">";
-      $res .= htmlspecialchars ($this->label);
-      if (isset ($this->mandatory) && $this->mandatory !== FALSE)
-        $res .= " <span style='color:red'>*</span>";
-      else
-        $res .= "  ";
-      $res .= "</label>\n";
-    }
-    $res .= "    <div class='col-sm-$this->fieldwidth'>\n";
-    $res .= "      <input type='password'";
-    $res .= " name='$this->formName"."[";
-    $res .= htmlspecialchars ($this->name, ENT_QUOTES)."]'";
-    $res .= " id='$this->formName"."_";
-    $res .= htmlspecialchars ($this->name, ENT_QUOTES)."'";
-    if (isset ($this->values))
-      $res .= " value='".htmlspecialchars ($this->values,
-                                           ENT_QUOTES)."'";
-    else
-      $res .= " value='".htmlspecialchars ($this->defaults, ENT_QUOTES).
-              "'";
-    if (isset ($this->readonly) && $this->readonly !== FALSE)
-      $res .= " readonly='readonly'";
-    $res .= " class='form-control'";
-    if (isset ($this->hidden) && $this->hidden !== FALSE)
-      $res .= " style='display:none'";
-    if (isset ($this->cols))
-      $res .= " size='".$this->cols."'";
-    if (isset ($this->maxlength))
-      $res .= " maxlength='".$this->maxlength."'";
-    if (isset ($this->errors) || isset ($this->help))
-    {
-      $res .= " aria-describedby='".$this->formName."_";
-      $res .= htmlspecialchars ($this->name, ENT_QUOTES)."_help'";
-    }
-    if (isset ($this->placeholder) && $this->placeholder !== FALSE)
-      $res .= " placeholder='".htmlentities ($this->placeholder, ENT_QUOTES).
-              "'";
-    $res .= "/>\n";
-    if (isset ($this->errors) || isset ($this->help))
-    {
-      $res .= "      <span class='help-block' id='$this->formName"."_";
-      $res .= htmlspecialchars ($this->name, ENT_QUOTES)."_help'>";
-      if (isset ($this->help))
-        $res .= "<span class='text-muted'>".$this->help."</span>";
-      if (isset ($this->help) && isset ($this->errors))
-        $res .= "<br/>";
-      if (isset ($this->errors))
-        $res .= htmlspecialchars ($this->errors[1]);
-      $res .= "</span>\n";
-    }
-    $res .= "    </div>\n"; // End controls
-    $res .= "  </div>\n"; // End form-group
-    return $res;
-  }
-  // }}}
-
-  /** Return the radio field defined
-    */
-  private function fieldBootstrap3radio ()
-  // {{{
-  {
-    $res = "";
-    // No $this->multiple, $this->rows $this->cols $this->placeholder
-    // $this->maxlength
-    $res .= "<div class='form-group";
-    if (isset ($this->errors))
-      $res .= " has-".$this->errors[0];
-    $res .= "'>\n";
-    if ($this->label !== "")
-    {
-      $res .= "    <label class='col-sm-$this->titlewidth control-label'";
-      if (is_array ($this->titles) && count ($this->titles) == 1 &&
-          reset ($this->titles) === "")
-      {
-        // If more than one title is set, the main label is unusable, so
-        // do not link it to the radio
-        // If there is no label on the checkbox, this label must be set
-        $res .= " for='".  $this->formName."_";
-        $res .= htmlspecialchars ($this->name, ENT_QUOTES);
-        $res .= "'";
-      }
-      if (isset ($this->hidden) && $this->hidden !== FALSE)
-        $res .= " style='display:none'";
-      $res .= ">";
-      $res .= htmlspecialchars ($this->label);
-      if (isset ($this->mandatory) && $this->mandatory !== FALSE)
-        $res .= " <span style='color:red'>*</span>";
-      else
-        $res .= "  ";
-      $res .= "</label>\n";
-    }
-    $res .= "    <div class='col-sm-$this->fieldwidth'>\n";
-    if (is_string ($this->defaults))
-      $this->defaults = array ($this->defaults);
-    $res .= "      <input type='hidden'";
-    $res .= " name='$this->formName"."[";
-    $res .= htmlspecialchars ($this->name, ENT_QUOTES)."]'";
-    $res .= " value='unset'";
-    $res .= "/>\n";
-    foreach ($this->titles as $key=>$val)
-    {
-      $res .= "<div class='radio'>";
-      $res .= "      <label>";
-      $res .= "<input type='radio'";
-      $res .= " name='$this->formName"."[";
-      $res .= htmlspecialchars ($this->name, ENT_QUOTES)."]'";
-      $res .= " id='$this->formName"."_";
-      $res .= htmlspecialchars ($this->name, ENT_QUOTES)."_$key'";
-      $res .= " value='".htmlspecialchars ($val, ENT_QUOTES)."'";
-      if (isset ($this->readonly) && $this->readonly !== FALSE)
-        $res .= " readonly='readonly'";
-      if (isset ($this->values) &&
-          $this->values === $val)
-        $res .= " checked='checked'";
-      elseif (isset ($this->defaults[0]) &&
-              $this->defaults[0] === $val)
-        $res .= " checked='checked'";
-      if (isset ($this->hidden) && $this->hidden !== FALSE)
-        $res .= " style='display:none'";
-      if (isset ($this->errors) || isset ($this->help))
-      {
-        $res .= " aria-describedby='".$this->formName."_";
-        $res .= htmlspecialchars ($this->name, ENT_QUOTES)."_help'";
-      }
-      $res .= "/>";
-      $res .= "$val";
-      $res .= "</label>\n"; // End label radio
-      $res .= "</div>";
-    }
-
-    if (isset ($this->errors) || isset ($this->help))
-    {
-      $res .= "      <span class='help-block' id='$this->formName"."_";
-      $res .= htmlspecialchars ($this->name, ENT_QUOTES)."_help'>";
-      if (isset ($this->help))
-        $res .= "<span class='text-muted'>".$this->help."</span>";
-      if (isset ($this->help) && isset ($this->errors))
-        $res .= "<br/>";
-      if (isset ($this->errors))
-          $res .= htmlspecialchars ($this->errors[1]);
-      $res .= "</span>\n";
-    }
-    $res .= "    </div>\n"; // End controls
-    $res .= "  </div>\n"; // End form-group
-    return $res;
-  }
-  // }}}
-
-  /** Return the checkbox defined
-    */
-  private function fieldBootstrap3select ()
-  // {{{
-  {
-    // No $this->placeholder $this->maxlength
-    $res = "";
-    // $values->$this, $this->cols
-    $res .= "<div class='form-group";
-    if (isset ($this->errors))
-      $res .= " has-".$this->errors[0];
-    $res .= "'>\n";
-    if ($this->label !== "")
-    {
-      $res .= "    <label class='col-sm-$this->titlewidth control-label' for='".
-              $this->formName."_";
-      $res .= htmlspecialchars ($this->name, ENT_QUOTES)."'";
-      if (isset ($this->hidden) && $this->hidden !== FALSE)
-        $res .= " style='display:none'";
-      $res .= ">";
-      $res .= htmlspecialchars ($this->label);
-      if (isset ($this->mandatory) && $this->mandatory !== FALSE)
-        $res .= " <span style='color:red'>*</span>";
-      else
-        $res .= "  ";
-      $res .= "</label>\n";
-    }
-    $res .= "    <div class='col-sm-$this->fieldwidth'>\n";
-    if (isset ($this->defaults) && is_array ($this->defaults))
-    {
-      if (isset ($this->readonly) && $this->readonly !== FALSE)
-      {
-        foreach ($this->defaults as $key=>$val)
-        {
-          $res .= "      <input type='hidden'";
-          if (isset ($this->multiple) && $this->multiple !== FALSE)
-          {
-            $res .= " name='$this->formName"."[";
-            $res .= htmlspecialchars ($this->name, ENT_QUOTES)."][".
-                    htmlspecialchars ($key, ENT_QUOTES)."]'";
-          }
-          else
-          {
-            $res .= " name='$this->formName"."[";
-            $res .= htmlspecialchars ($this->name, ENT_QUOTES)."]'";
-          }
-          $res .= " value='";
-          $res .= htmlspecialchars ($key, ENT_QUOTES)."'";
-          $res .= "/>\n";
-        }
-      }
-
-      $res .= "      <select";
-      $res .= " name='$this->formName"."[";
-      $res .= htmlspecialchars ($this->name, ENT_QUOTES)."]";
-      if (isset ($this->multiple) && $this->multiple !== FALSE)
-        $res .= "[]";
-      $res .= "'";
-      $res .= " id='$this->formName"."_";
-      $res .= htmlspecialchars ($this->name, ENT_QUOTES)."'";
-      if (isset ($this->multiple) && $this->multiple !== FALSE)
-        $res .= " multiple='multiple'";
-      if (isset ($this->readonly) && $this->readonly !== FALSE)
-        $res .= " disabled='disabled'";
-      if (isset ($this->hidden) && $this->hidden !== FALSE)
-        $res .= " style='display:none'";
-      $res .= " class='form-control'";
-      if (isset ($this->rows))
-        $res .= " size='".$this->rows."'";
-      if (isset ($this->errors) || isset ($this->help))
-      {
-        $res .= " aria-describedby='".$this->formName."_";
-        $res .= htmlspecialchars ($this->name, ENT_QUOTES)."_help'";
-      }
-      $res .= ">\n";
-      foreach ($this->defaults as $key=>$val)
-      {
-        if (! is_string ($val))
-        {
-          throw new \Exception ("Value as defaut for $this->name::$key is not ".
-            "a string (".gettype ($val).")");
-        }
-        $res .= "        <option value='";
-        $res .= htmlspecialchars ($key, ENT_QUOTES)."'";
-        if (isset ($this->values) &&
-            is_string ($this->values) &&
-            $this->values == $key)
-          $res .= " selected='selected'";
-        elseif (isset ($this->values) &&
-            is_integer ($this->values) &&
-            $this->values == $key)
-          $res .= " selected='selected'";
-        elseif (isset ($this->values) &&
-                is_array ($this->values) &&
-                in_array ($key, $this->values))
-          $res .= " selected='selected'";
-        $res .= ">";
-        $res .= htmlspecialchars ($val);
-        $res .= "</option>\n";
-      }
-
-      $res .= "      </select>\n";
-      if (isset ($this->errors) || isset ($this->help))
-      {
-        $res .= "      <span class='help-block' id='$this->formName"."_";
-        $res .= htmlspecialchars ($this->name, ENT_QUOTES)."_help'>";
-        if (isset ($this->help))
-          $res .= "<span class='text-muted'>".$this->help."</span>";
-      if (isset ($this->help) && isset ($this->errors))
-        $res .= "<br/>";
-        if (isset ($this->errors))
-          $res .= htmlspecialchars ($this->errors[1]);
-        $res .= "</span>\n";
-      }
-    }
-    else
-    {
-      $res .= dgettext ("domframework", "No value provided");
-    }
-
-    $res .= "    </div>\n"; // End controls
-    $res .= "  </div>\n"; // End form-group
-    return $res;
-  }
-  // }}}
-
-  /** Return the submit defined
-    */
-  private function fieldBootstrap3submit ()
-  // {{{
-  {
-    $res = "";
-    // No $this->label, $this->multiple, $this->error, $this->rows,
-    // $this->cols $this->placeholder $this->maxlength
-    $res .= "<div class='form-group'>\n";
-    $res .= "    <div class='col-sm-".($this->titlewidth+$this->fieldwidth).
-            "'>\n";
-    $res .= "      <input type='submit'";
-    $res .= " name='$this->formName"."[";
-    $res .= htmlspecialchars ($this->name, ENT_QUOTES)."]'";
-    $res .= " id='$this->formName"."_";
-    $res .= htmlspecialchars ($this->name, ENT_QUOTES)."'";
-    if (isset ($this->readonly) && $this->readonly !== FALSE)
-      $res .= " disabled='disabled'";
-    if (isset ($this->defaults))
-      $res .= " value='".htmlspecialchars ($this->defaults, ENT_QUOTES).
-              "'";
-    elseif (isset ($this->label))
-      $res .= " value='".htmlspecialchars ($this->label, ENT_QUOTES)."'";
-    $res .= " class='form-control btn-primary'";
-    if (isset ($this->hidden) && $this->hidden !== FALSE)
-      $res .= " style='display:none'";
-    // Block the submit button 10s. The user can not double click on it and
-    // submit two times the POST to the server
-    // Re-enable after 15s, if there is a problem with the server
-    // This code is needed by Chrome and Edge which allow multiple submission of
-    // a form
-    $res .= " onclick='submit=this ; ";
-    $res .= " setTimeout(function() {";
-    $res .= "  submit.setAttribute(\"disabled\", \"disabled\");";
-    $res .= " }, 1);";
-    $res .= "'";
-    $res .= "/>\n";
-    $res .= "    </div>\n";
-    $res .= "  </div>\n";
-    return $res;
-  }
-  // }}}
-
-  /** Return the textarea defined
-    */
-  private function fieldBootstrap3textarea ()
-  // {{{
-  {
-    $res = "";
-    // No $this->multiple, $this->titles
-    $res .= "<div class='form-group";
-    if (isset ($this->errors))
-      $res .= " has-".$this->errors[0];
-    $res .= "'>\n";
-    if ($this->label !== "")
-    {
-      $res .= "    <label class='col-sm-$this->titlewidth control-label' for='".
-              $this->formName."_";
-      $res .= htmlspecialchars ($this->name, ENT_QUOTES)."'";
-      if (isset ($this->hidden) && $this->hidden !== FALSE)
-        $res .= " style='display:none'";
-      $res .= ">";
-      $res .= htmlspecialchars ($this->label);
-      if (isset ($this->mandatory) && $this->mandatory !== FALSE)
-        $res .= " <span style='color:red'>*</span>";
-      else
-        $res .= "  ";
-      $res .= "</label>\n";
-    }
-    $res .= "    <div class='col-sm-$this->fieldwidth'>\n";
-    $res .= "      <textarea";
-    $res .= " name='$this->formName"."[";
-    $res .= htmlspecialchars ($this->name, ENT_QUOTES)."]'";
-    $res .= " id='$this->formName"."_";
-    $res .= htmlspecialchars ($this->name, ENT_QUOTES)."'";
-    if (isset ($this->readonly) && $this->readonly !== FALSE)
-      $res .= " readonly='readonly'";
-    $res .= " class='form-control'";
-    if (isset ($this->hidden) && $this->hidden !== FALSE)
-      $res .= " style='display:none'";
-    if (!isset ($this->cols))
-      $this->cols = 20;
-    $res .= " cols='".$this->cols."'";
-    if (!isset ($this->rows))
-      $this->rows = 4;
-    $res .= " rows='".$this->rows."'";
-    if (isset ($this->maxlength))
-      $res .= " maxlength='".$this->maxlength."'";
-    if (isset ($this->errors) || isset ($this->help))
-    {
-      $res .= " aria-describedby='".$this->formName."_";
-      $res .= htmlspecialchars ($this->name, ENT_QUOTES)."_help'";
-    }
-    if (isset ($this->placeholder) && $this->placeholder !== FALSE)
-      $res .= " placeholder='".htmlentities ($this->placeholder, ENT_QUOTES).
-              "'";
-    $res .= ">";
-    if (isset ($this->values))
-      $res .= htmlspecialchars ($this->values, ENT_QUOTES);
-    else
-      $res .= htmlspecialchars ($this->defaults, ENT_QUOTES);
-    $res .= "</textarea>\n";
-    if (isset ($this->errors) || isset ($this->help))
-    {
-      $res .= "      <span class='help-block' id='$this->formName"."_";
-      $res .= htmlspecialchars ($this->name, ENT_QUOTES)."_help'>";
-      if (isset ($this->help))
-        $res .= "<span class='text-muted'>".$this->help."</span>";
-      if (isset ($this->help) && isset ($this->errors))
-        $res .= "<br/>";
-      if (isset ($this->errors))
-        $res .= htmlspecialchars ($this->errors[1]);
-      $res .= "</span>\n";
-    }
-    $res .= "    </div>\n"; // End controls
-    $res .= "  </div>\n"; // End form-group
-    return $res;
-  }
-  // }}}
-
-  /** Return the text defined
-    */
-  private function fieldBootstrap3text ()
-  // {{{
-  {
-    $res = "";
-    // No $this->multiple, $this->titles, $this->rows, $this->cols
-    $res .= "<div class='form-group";
-    if (isset ($this->errors))
-      $res .= " has-".$this->errors[0];
-    $res .= "'>\n";
-    if ($this->label !== "")
-    {
-      $res .= "    <label class='col-sm-$this->titlewidth control-label' for='".
-              $this->formName."_";
-      $res .= htmlspecialchars ($this->name, ENT_QUOTES)."'";
-      if (isset ($this->hidden) && $this->hidden !== FALSE)
-        $res .= " style='display:none'";
-      $res .= ">";
-      $res .= htmlspecialchars ($this->label);
-      if (isset ($this->mandatory) && $this->mandatory !== FALSE)
-        $res .= " <span style='color:red'>*</span>";
-      else
-        $res .= " ";
-      $res .= "</label>\n";
-    }
-    $res .= "    <div class='col-sm-$this->fieldwidth'>\n";
-    $res .= "      <input type='text'";
-    $res .= " name='$this->formName"."[";
-    $res .= htmlspecialchars ($this->name, ENT_QUOTES)."]'";
-    $res .= " id='$this->formName"."_";
-    $res .= htmlspecialchars ($this->name, ENT_QUOTES)."'";
-    if (isset ($this->values))
-      $res .= " value='".htmlspecialchars ($this->values,
-                                           ENT_QUOTES)."'";
-    else
-      $res .= " value='".htmlspecialchars ($this->defaults, ENT_QUOTES).
-              "'";
-    if (isset ($this->readonly) && $this->readonly !== FALSE)
-      $res .= " readonly='readonly'";
-    $res .= " class='form-control'";
-    if (isset ($this->hidden) && $this->hidden !== FALSE)
-      $res .= " style='display:none'";
-    if (isset ($this->cols))
-      $res .= " size='".$this->cols."'";
-    if (isset ($this->maxlength))
-      $res .= " maxlength='".$this->maxlength."'";
-    if (isset ($this->errors) || isset ($this->help))
-    {
-      $res .= " aria-describedby='".$this->formName."_";
-      $res .= htmlspecialchars ($this->name, ENT_QUOTES)."_help'";
-    }
-    if (isset ($this->placeholder) && $this->placeholder !== FALSE)
-      $res .= " placeholder='".htmlentities ($this->placeholder, ENT_QUOTES).
-              "'";
-    $res .= "/>\n";
-    if (isset ($this->errors) || isset ($this->help))
-    {
-      $res .= "      <span class='help-block' id='$this->formName"."_";
-      $res .= htmlspecialchars ($this->name, ENT_QUOTES)."_help'>";
-      if (isset ($this->help))
-        $res .= "<span class='text-muted'>".$this->help."</span>";
-      if (isset ($this->help) && isset ($this->errors))
-        $res .= "<br/>";
-      if (isset ($this->errors))
-        $res .= htmlspecialchars ($this->errors[1]);
-      $res .= "</span>\n";
-    }
-    $res .= "    </div>\n"; // End controls
-    $res .= "  </div>\n"; // End form-group
-    return $res;
-  }
-  // }}}
-
-  /** Return the file defined
-    */
-  private function fieldBootstrap3file ()
-  // {{{
-  {
-    $res = "";
-    // No $this->multiple, $this->titles, $this->rows, $this->cols
-    $res .= "<div class='form-group";
-    if (isset ($this->errors))
-      $res .= " has-".$this->errors[0];
-    $res .= "'>\n";
-    if ($this->label !== "")
-    {
-      $res .= "    <label class='col-sm-$this->titlewidth control-label' for='".
-              $this->formName."_";
-      $res .= htmlspecialchars ($this->name, ENT_QUOTES)."'";
-      if (isset ($this->hidden) && $this->hidden !== FALSE)
-        $res .= " style='display:none'";
-      $res .= ">";
-      $res .= htmlspecialchars ($this->label);
-      if (isset ($this->mandatory) && $this->mandatory !== FALSE)
-        $res .= " <span style='color:red'>*</span>";
-      else
-        $res .= " ";
-      $res .= "</label>\n";
-    }
-    $res .= "    <div class='col-sm-$this->fieldwidth'>\n";
-    if (isset ($this->defaults))
-    {
-      $res .= "    <label class='btn btn-default col-sm-$this->fieldwidth'>\n";
-      $res .= htmlspecialchars ($this->defaults, ENT_QUOTES);
-    }
-    $res .= "      <input type='file'";
-    $res .= " name='$this->formName"."[";
-    $res .= htmlspecialchars ($this->name, ENT_QUOTES)."]";
-    if (isset ($this->multiple) && $this->multiple !== false)
-      $res .= "[]";
-    $res .= "'";
-    $res .= " id='$this->formName"."_";
-    $res .= htmlspecialchars ($this->name, ENT_QUOTES)."'";
-    if (isset ($this->values))
-      $res .= " value='".htmlspecialchars ($this->values,
-                                           ENT_QUOTES)."'";
-    else
-      $res .= " value='".htmlspecialchars ($this->defaults, ENT_QUOTES).
-              "'";
-    if (isset ($this->readonly) && $this->readonly !== FALSE)
-      $res .= " readonly='readonly'";
-    $res .= " class='form-control'";
-    if (isset ($this->hidden) && $this->hidden !== FALSE)
-      $res .= " style='display:none'";
-    if (isset ($this->cols))
-      $res .= " size='".$this->cols."'";
-    if (isset ($this->maxlength))
-      $res .= " maxlength='".$this->maxlength."'";
-    if (isset ($this->errors) || isset ($this->help))
-    {
-      $res .= " aria-describedby='".$this->formName."_";
-      $res .= htmlspecialchars ($this->name, ENT_QUOTES)."_help'";
-    }
-    if (isset ($this->placeholder) && $this->placeholder !== FALSE)
-      $res .= " placeholder='".htmlentities ($this->placeholder, ENT_QUOTES).
-              "'";
-    if (isset ($this->multiple) && $this->multiple !== false)
-      $res .= " multiple='multiple'";
-    $res .= "/>\n";
-    if (isset ($this->defaults))
-      $res .= "    </label>\n"; // End labels
-    if (isset ($this->errors) || isset ($this->help))
-    {
-      $res .= "      <span class='help-block' id='$this->formName"."_";
-      $res .= htmlspecialchars ($this->name, ENT_QUOTES)."_help'>";
-      if (isset ($this->help))
-        $res .= "<span class='text-muted'>".$this->help."</span>";
-      if (isset ($this->help) && isset ($this->errors))
-        $res .= "<br/>";
-      if (isset ($this->errors))
-        $res .= htmlspecialchars ($this->errors[1]);
-      $res .= "</span>\n";
-    }
-
-    $res .= "    </div>\n"; // End controls
-    $res .= "  </div>\n"; // End form-group
-    return $res;
-  }
-  // }}}
-  // }}}
-
-  //////////////////////////
-  ////    BOOTSTRAP4    ////
-  //////////////////////////
-  // {{{
-  /** Return the checkbox defined
-    */
-  private function fieldBootstrap4checkbox ()
-  // {{{
-  {
-    // No $this->multiple, $this->rows $this->cols $this->placeholder,
-    //    $this->maxlength
-    if (! is_array ($this->titles) || count ($this->titles) === 0)
-      $this->titles = array ("");
-    $res = "";
-    $res .= "<div class='form-group";
-    if (isset ($this->errors))
-      $res .= " has-".$this->errors[0];
-    if ($this->titlewidth > 0)
-      $res .= " row";
-    $res .= "'>\n";
-    if ($this->label !== "")
-    {
-      $res .= "    <label";
-      if ($this->titlewidth > 0)
-        $res .= " class='col-sm-$this->titlewidth col-form-label'";
-      if (is_array ($this->titles) && count ($this->titles) == 1 &&
-          reset ($this->titles) === "")
-      {
-        // If more than one title is set, the main label is unusable, so
-        // do not link it to the checkbox
-        // If there is no label on the checkbox, this label must be set
-        $res .= " for='".  $this->formName."_";
-        $res .= htmlspecialchars ($this->name, ENT_QUOTES);
-        $res .= "'";
-      }
-      if (isset ($this->hidden) && $this->hidden !== FALSE)
-        $res .= " style='display:none'";
-      $res .= ">";
-      $res .= htmlspecialchars ($this->label);
-      if (isset ($this->mandatory) && $this->mandatory !== FALSE)
-        $res .= " <span style='color:red'>*</span>";
-      else
-        $res .= "  ";
-      $res .= "</label>\n";
-    }
-    $res .= "    <div class='col-sm-$this->fieldwidth'>\n";
-    foreach ($this->titles as $key=>$val)
-    {
-      $res .= "      <div class='form-check'>\n";
-      $res .= "        <input type='hidden'";
-      $res .= " name='$this->formName"."[";
-      $res .= htmlspecialchars ($this->name, ENT_QUOTES)."]";
-      if (count ($this->titles) > 1)
-        $res .= "[$key]";
-      $res .= "' value='unset'";
-      $res .= "/>\n";
-      $res .= "        <input type='checkbox'";
-      $res .= " name='$this->formName"."[";
-      $res .= htmlspecialchars ($this->name, ENT_QUOTES)."]";
-      if (count ($this->titles) > 1)
-        $res .= "[$key]";
-      $res .= "' id='$this->formName"."_";
-      $res .= htmlspecialchars ($this->name, ENT_QUOTES);
-      if (count ($this->titles) > 1)
-        $res .= "_$key";
-      $res .= "'";
-      if (isset ($this->readonly) && $this->readonly !== FALSE)
-        $res .= " disabled='disabled'";
-      // Do not check by default !
-      // Check is enable if not null and not false and not "unset" and not ""
-      if (count ($this->titles) === 1)
-      {
-        if (isset ($this->values) &&
-            $this->values !== null &&
-            $this->values !== false &&
-            $this->values !== "unset" &&
-            $this->values !== "")
-          $res .= " checked='checked'";
-        elseif (isset ($this->defaults) &&
-                $this->defaults !== null &&
-                $this->defaults !== false &&
-                $this->defaults !== "unset" &&
-                $this->defaults !== "")
-          $res .= " checked='checked'";
-      }
-      else
-      {
-        if (isset ($this->values[$key]))
-        {
-          if ($this->values[$key] !== null &&
-              $this->values[$key] !== false &&
-              $this->values[$key] !== "unset" &&
-              $this->values[$key] !== "")
-            $res .= " checked='checked'";
-        }
-        elseif (isset ($this->defaults[$key]))
-        {
-          if ($this->defaults[$key] !== null &&
-              $this->defaults[$key] !== false &&
-              $this->defaults[$key] !== "unset" &&
-              $this->defaults[$key] !== "")
-            $res .= " checked='checked'";
-        }
-      }
-      if (isset ($this->hidden) && $this->hidden !== FALSE)
-        $res .= " style='display:none'";
-      $res .= " class='form-check-input";
-      if (isset ($this->errors))
-      {
-        $res .= " is-invalid";
-      }
-      $res .= "'";
-      if (isset ($this->help))
-      {
-        $res .= " aria-describedby='".$this->formName."_";
-        $res .= htmlspecialchars ($this->name, ENT_QUOTES)."_help'";
-      }
-      $res .= "/>\n";
-      $res .= "        <label for='$this->formName"."_";
-      $res .= htmlspecialchars ($this->name, ENT_QUOTES);
-      if (count ($this->titles) > 1)
-        $res .= "_$key";
-      $res .= "' class ='form-check-label'";
-      $res .= ">";
-      $res .= "$val</label>\n";
-      if (isset ($this->errors) && $key === count ($this->titles) - 1)
-      {
-        $res .= "      <div class='invalid-feedback'>";
-        $res .= htmlspecialchars ($this->errors[1]);
-        $res .= "</div>\n";
-      }
-      $res .= "      </div>\n";
-    }
-
-    if (isset ($this->help))
-    {
-      $res .= "      <small class='form-text text-muted' ";
-      $res .= "id='$this->formName"."_";
-      $res .= htmlspecialchars ($this->name, ENT_QUOTES)."_help'>";
-      $res .= $this->help;
-      $res .= "</small>\n";
-    }
-    $res .= "    </div>\n"; // End controls
-    $res .= "  </div>\n"; // End form-group
-    return $res;
-  }
-  // }}}
-
-  /** Return the hidden field defined
-    */
-  private function fieldBootstrap4hidden ()
-  // {{{
-  {
-    $res = "";
-    // No $this->label, $this->multiple, $this->readonly, $this->hidden,
-    // $this->rows $this->cols $this->placeholder $this->maxlength
-    $res .= "<input type='hidden'";
-    $res .= " name='$this->formName"."[";
-    $res .= htmlspecialchars ($this->name, ENT_QUOTES)."]'";
-    $res .= " id='$this->formName"."_";
-    $res .= htmlspecialchars ($this->name, ENT_QUOTES)."'";
-    if (isset ($this->values))
-      $res .= " value='".htmlspecialchars ($this->values)."'";
-    else
-      $res .= " value='".htmlspecialchars ($this->defaults)."'";
-    $res .= "/>\n";
-    return $res;
-  }
-  // }}}
-
-  /** Return the password field defined
-    */
-  private function fieldBootstrap4password ()
-  // {{{
-  {
-    $res = "";
-    // No $this->multiple, $this->rows $this->cols
-    $res .= "<div class='form-group";
-    if (isset ($this->errors))
-      $res .= " has-".$this->errors[0];
-    if ($this->titlewidth > 0)
-      $res .= " row";
-    $res .= "'>\n";
-    if ($this->label !== "")
-    {
-      $res .= "    <label";
-      if ($this->titlewidth > 0)
-        $res .= " class='col-sm-$this->titlewidth col-form-label'";
-      $res .= " for='". $this->formName."_";
-      $res .= htmlspecialchars ($this->name, ENT_QUOTES)."'";
-      if (isset ($this->hidden) && $this->hidden !== FALSE)
-        $res .= " style='display:none'";
-      $res .= ">";
-      $res .= htmlspecialchars ($this->label);
-      if (isset ($this->mandatory) && $this->mandatory !== FALSE)
-        $res .= " <span style='color:red'>*</span>";
-      else
-        $res .= "  ";
-      $res .= "</label>\n";
-    }
-    $res .= "    <div class='col-sm-$this->fieldwidth'>\n";
-    $res .= "      <input type='password'";
-    $res .= " name='$this->formName"."[";
-    $res .= htmlspecialchars ($this->name, ENT_QUOTES)."]'";
-    $res .= " id='$this->formName"."_";
-    $res .= htmlspecialchars ($this->name, ENT_QUOTES)."'";
-    if (isset ($this->values))
-      $res .= " value='".htmlspecialchars ($this->values,
-                                           ENT_QUOTES)."'";
-    else
-      $res .= " value='".htmlspecialchars ($this->defaults, ENT_QUOTES).
-              "'";
-    if (isset ($this->readonly) && $this->readonly !== FALSE)
-      $res .= " readonly='readonly'";
-    $res .= " class='form-control";
-    if (isset ($this->errors))
-      $res .= " is-invalid";
-    $res .= "'";
-    if (isset ($this->hidden) && $this->hidden !== FALSE)
-      $res .= " style='display:none'";
-    if (isset ($this->cols))
-      $res .= " size='".$this->cols."'";
-    if (isset ($this->maxlength))
-      $res .= " maxlength='".$this->maxlength."'";
-    if (isset ($this->help))
-    {
-      $res .= " aria-describedby='".$this->formName."_";
-      $res .= htmlspecialchars ($this->name, ENT_QUOTES)."_help'";
-    }
-    if (isset ($this->placeholder) && $this->placeholder !== FALSE)
-      $res .= " placeholder='".htmlentities ($this->placeholder, ENT_QUOTES).
-              "'";
-    $res .= "/>\n";
-    if (isset ($this->errors))
-    {
-      $res .= "      <div class='invalid-feedback'>";
-      $res .= htmlspecialchars ($this->errors[1]);
-      $res .= "</div>\n";
-    }
-    if (isset ($this->help))
-    {
-      $res .= "      <small class='form-text text-muted' ";
-      $res .= "id='$this->formName"."_";
-      $res .= htmlspecialchars ($this->name, ENT_QUOTES)."_help'>";
-      $res .= $this->help;
-      $res .= "</small>\n";
-    }
-    $res .= "    </div>\n"; // End controls
-    $res .= "  </div>\n"; // End form-group
-    return $res;
-  }
-  // }}}
-
-  /** Return the radio field defined
-    */
-  private function fieldBootstrap4radio ()
-  // {{{
-  {
-    $res = "";
-    // No $this->multiple, $this->rows $this->cols $this->placeholder
-    // $this->maxlength
-    $res .= "<div class='form-group";
-    if (isset ($this->errors))
-      $res .= " has-".$this->errors[0];
-    if ($this->titlewidth > 0)
-      $res .= " row";
-    $res .= "'>\n";
-    if ($this->label !== "")
-    {
-      $res .= "    <label";
-      if ($this->titlewidth > 0)
-        $res .= " class='col-sm-$this->titlewidth col-form-label'";
-      if (is_array ($this->titles) && count ($this->titles) == 1 &&
-          reset ($this->titles) === "")
-      {
-        // If more than one title is set, the main label is unusable, so
-        // do not link it to the radio
-        // If there is no label on the checkbox, this label must be set
-        $res .= " for='".  $this->formName."_";
-        $res .= htmlspecialchars ($this->name, ENT_QUOTES);
-        $res .= "'";
-      }
-      if (isset ($this->hidden) && $this->hidden !== FALSE)
-        $res .= " style='display:none'";
-      $res .= ">";
-      $res .= htmlspecialchars ($this->label);
-      if (isset ($this->mandatory) && $this->mandatory !== FALSE)
-        $res .= " <span style='color:red'>*</span>";
-      else
-        $res .= "  ";
-      $res .= "</label>\n";
-    }
-    $res .= "    <div class='col-sm-$this->fieldwidth'>\n";
-    if (is_string ($this->defaults))
-      $this->defaults = array ($this->defaults);
-    $res .= "      <input type='hidden'";
-    $res .= " name='$this->formName"."[";
-    $res .= htmlspecialchars ($this->name, ENT_QUOTES)."]'";
-    $res .= " value='unset'";
-    $res .= "/>\n";
-    foreach ($this->titles as $key=>$val)
-    {
-      $res .= "      <div class='form-check'>\n";
-      $res .= "         <input type='radio'";
-      $res .= " name='$this->formName"."[";
-      $res .= htmlspecialchars ($this->name, ENT_QUOTES)."]'";
-      $res .= " id='$this->formName"."_";
-      $res .= htmlspecialchars ($this->name, ENT_QUOTES)."_$key'";
-      $res .= " value='".htmlspecialchars ($val, ENT_QUOTES)."'";
-      if (isset ($this->readonly) && $this->readonly !== FALSE)
-        $res .= " readonly='readonly'";
-      if (isset ($this->values) &&
-          $this->values === $val)
-        $res .= " checked='checked'";
-      elseif (isset ($this->defaults[0]) &&
-              $this->defaults[0] === $val)
-        $res .= " checked='checked'";
-      if (isset ($this->hidden) && $this->hidden !== FALSE)
-        $res .= " style='display:none'";
-      $res .= " class='form-check-input";
-      if (isset ($this->errors))
-        $res .= " is-invalid";
-      $res .= "'";
-      if (isset ($this->help))
-      {
-        $res .= " aria-describedby='".$this->formName."_";
-        $res .= htmlspecialchars ($this->name, ENT_QUOTES)."_help'";
-      }
-      $res .= "/>\n";
-      $res .= "        <label class='form-check-label'>";
-      $res .= "$val";
-      $res .= "</label>\n"; // End label radio
-      if (isset ($this->errors) && $key === count ($this->titles) - 1)
-      {
-        $res .= "      <div class='invalid-feedback'>";
-        $res .= htmlspecialchars ($this->errors[1]);
-        $res .= "</div>\n";
-      }
-      $res .= "     </div>\n";
-    }
-    if (isset ($this->help))
-    {
-      $res .= "      <small class='form-text text-muted' ";
-      $res .= "id='$this->formName"."_";
-      $res .= htmlspecialchars ($this->name, ENT_QUOTES)."_help'>";
-      $res .= $this->help;
-      $res .= "</small>\n";
-    }
-    $res .= "    </div>\n"; // End controls
-    $res .= "  </div>\n"; // End form-group
-    return $res;
-  }
-  // }}}
-
-  /** Return the checkbox defined
-    */
-  private function fieldBootstrap4select ()
-  // {{{
-  {
-    // No $this->placeholder $this->maxlength
-    $res = "";
-    // $values->$this, $this->cols
-    $res .= "<div class='form-group";
-    if (isset ($this->errors))
-      $res .= " has-".$this->errors[0];
-    if ($this->titlewidth > 0)
-      $res .= " row";
-    $res .= "'>\n";
-    if ($this->label !== "")
-    {
-      $res .= "    <label";
-      if ($this->titlewidth > 0)
-        $res .= " class='col-sm-$this->titlewidth col-form-label'";
-      $res .= " for='". $this->formName."_";
-      $res .= htmlspecialchars ($this->name, ENT_QUOTES)."'";
-      if (isset ($this->hidden) && $this->hidden !== FALSE)
-        $res .= " style='display:none'";
-      $res .= ">";
-      $res .= htmlspecialchars ($this->label);
-      if (isset ($this->mandatory) && $this->mandatory !== FALSE)
-        $res .= " <span style='color:red'>*</span>";
-      else
-        $res .= "  ";
-      $res .= "</label>\n";
-    }
-    $res .= "    <div class='col-sm-$this->fieldwidth'>\n";
-    if (isset ($this->defaults) && is_array ($this->defaults))
-    {
-      if (isset ($this->readonly) && $this->readonly !== FALSE)
-      {
-        foreach ($this->defaults as $key=>$val)
-        {
-          $res .= "      <input type='hidden'";
-          if (isset ($this->multiple) && $this->multiple !== FALSE)
-          {
-            $res .= " name='$this->formName"."[";
-            $res .= htmlspecialchars ($this->name, ENT_QUOTES)."][".
-                    htmlspecialchars ($key, ENT_QUOTES)."]'";
-          }
-          else
-          {
-            $res .= " name='$this->formName"."[";
-            $res .= htmlspecialchars ($this->name, ENT_QUOTES)."]'";
-          }
-          $res .= " value='";
-          $res .= htmlspecialchars ($key, ENT_QUOTES)."'";
-          $res .= "/>\n";
-        }
-      }
-
-      $res .= "      <select";
-      $res .= " name='$this->formName"."[";
-      $res .= htmlspecialchars ($this->name, ENT_QUOTES)."]";
-      if (isset ($this->multiple) && $this->multiple !== FALSE)
-        $res .= "[]";
-      $res .= "'";
-      $res .= " id='$this->formName"."_";
-      $res .= htmlspecialchars ($this->name, ENT_QUOTES)."'";
-      if (isset ($this->multiple) && $this->multiple !== FALSE)
-        $res .= " multiple='multiple'";
-      if (isset ($this->readonly) && $this->readonly !== FALSE)
-        $res .= " disabled='disabled'";
-      if (isset ($this->hidden) && $this->hidden !== FALSE)
-        $res .= " style='display:none'";
-      $res .= " class='form-control";
-      if (isset ($this->errors))
-        $res .= " is-invalid";
-      $res .= "'";
-      if (isset ($this->rows))
-        $res .= " size='".$this->rows."'";
-      if (isset ($this->help))
-      {
-        $res .= " aria-describedby='".$this->formName."_";
-        $res .= htmlspecialchars ($this->name, ENT_QUOTES)."_help'";
-      }
-      $res .= ">\n";
-      foreach ($this->defaults as $key=>$val)
-      {
-        if (! is_string ($val))
-        {
-          throw new \Exception ("Value as defaut for $this->name::$key is not ".
-            "a string (".gettype ($val).")");
-        }
-        $res .= "        <option value='";
-        $res .= htmlspecialchars ($key, ENT_QUOTES)."'";
-        if (isset ($this->values) &&
-            is_string ($this->values) &&
-            $this->values == $key)
-          $res .= " selected='selected'";
-        elseif (isset ($this->values) &&
-            is_integer ($this->values) &&
-            $this->values == $key)
-          $res .= " selected='selected'";
-        elseif (isset ($this->values) &&
-                is_array ($this->values) &&
-                in_array ($key, $this->values))
-          $res .= " selected='selected'";
-        $res .= ">";
-        $res .= htmlspecialchars ($val);
-        $res .= "</option>\n";
-      }
-
-      $res .= "      </select>\n";
-      if (isset ($this->errors))
-      {
-        $res .= "      <div class='invalid-feedback'>";
-        $res .= htmlspecialchars ($this->errors[1]);
-        $res .= "</div>\n";
-      }
-      if (isset ($this->help))
-      {
-        $res .= "      <small class='form-text text-muted' ";
-        $res .= "id='$this->formName"."_";
-        $res .= htmlspecialchars ($this->name, ENT_QUOTES)."_help'>";
-        $res .= $this->help;
-        $res .= "</small>\n";
-      }
-    }
-    else
-    {
-      $res .= dgettext ("domframework", "No value provided");
-    }
-
-    $res .= "    </div>\n"; // End controls
-    $res .= "  </div>\n"; // End form-group
-    return $res;
-  }
-  // }}}
-
-  /** Return the submit defined
-    */
-  private function fieldBootstrap4submit ()
-  // {{{
-  {
-    $res = "";
-    // No $this->label, $this->multiple, $this->error, $this->rows,
-    // $this->cols $this->placeholder $this->maxlength
-    $res .= "<div class='form-group'>\n";
-    $res .= "    <div class='col-sm-".($this->titlewidth+$this->fieldwidth).
-            "'>\n";
-    $res .= "      <input type='submit'";
-    $res .= " name='$this->formName"."[";
-    $res .= htmlspecialchars ($this->name, ENT_QUOTES)."]'";
-    $res .= " id='$this->formName"."_";
-    $res .= htmlspecialchars ($this->name, ENT_QUOTES)."'";
-    if (isset ($this->readonly) && $this->readonly !== FALSE)
-      $res .= " disabled='disabled'";
-    if (isset ($this->defaults))
-      $res .= " value='".htmlspecialchars ($this->defaults, ENT_QUOTES).
-              "'";
-    elseif (isset ($this->label))
-      $res .= " value='".htmlspecialchars ($this->label, ENT_QUOTES)."'";
-    $res .= " class='form-control btn-primary'";
-    if (isset ($this->hidden) && $this->hidden !== FALSE)
-      $res .= " style='display:none'";
-    // Block the submit button 10s. The user can not double click on it and
-    // submit two times the POST to the server
-    // Re-enable after 15s, if there is a problem with the server
-    // This code is needed by Chrome and Edge which allow multiple submission of
-    // a form
-    $res .= " onclick='submit=this ; ";
-    $res .= " setTimeout(function() {";
-    $res .= "  submit.setAttribute(\"disabled\", \"disabled\");";
-    $res .= " }, 1);";
-    $res .= "'";
-    $res .= "/>\n";
-    $res .= "    </div>\n";
-    $res .= "  </div>\n";
-    return $res;
-  }
-  // }}}
-
-  /** Return the textarea defined
-    */
-  private function fieldBootstrap4textarea ()
-  // {{{
-  {
-    $res = "";
-    // No $this->multiple, $this->titles
-    $res .= "<div class='form-group";
-    if (isset ($this->errors))
-      $res .= " has-".$this->errors[0];
-    if ($this->titlewidth > 0)
-      $res .= " row";
-    $res .= "'>\n";
-    if ($this->label !== "")
-    {
-      $res .= "    <label";
-      if ($this->titlewidth > 0)
-        $res .= " class='col-sm-$this->titlewidth col-form-label'";
-      $res .= " for='". $this->formName."_";
-      $res .= htmlspecialchars ($this->name, ENT_QUOTES)."'";
-      if (isset ($this->hidden) && $this->hidden !== FALSE)
-        $res .= " style='display:none'";
-      $res .= ">";
-      $res .= htmlspecialchars ($this->label);
-      if (isset ($this->mandatory) && $this->mandatory !== FALSE)
-        $res .= " <span style='color:red'>*</span>";
-      else
-        $res .= "  ";
-      $res .= "</label>\n";
-    }
-    $res .= "    <div class='col-sm-$this->fieldwidth'>\n";
-    $res .= "      <textarea";
-    $res .= " name='$this->formName"."[";
-    $res .= htmlspecialchars ($this->name, ENT_QUOTES)."]'";
-    $res .= " id='$this->formName"."_";
-    $res .= htmlspecialchars ($this->name, ENT_QUOTES)."'";
-    if (isset ($this->readonly) && $this->readonly !== FALSE)
-      $res .= " readonly='readonly'";
-    $res .= " class='form-control";
-    if (isset ($this->errors))
-      $res .= " is-invalid";
-    $res .= "'";
-    if (isset ($this->hidden) && $this->hidden !== FALSE)
-      $res .= " style='display:none'";
-    if (!isset ($this->cols))
-      $this->cols = 20;
-    $res .= " cols='".$this->cols."'";
-    if (!isset ($this->rows))
-      $this->rows = 4;
-    $res .= " rows='".$this->rows."'";
-    if (isset ($this->maxlength))
-      $res .= " maxlength='".$this->maxlength."'";
-    if (isset ($this->help))
-    {
-      $res .= " aria-describedby='".$this->formName."_";
-      $res .= htmlspecialchars ($this->name, ENT_QUOTES)."_help'";
-    }
-    if (isset ($this->placeholder) && $this->placeholder !== FALSE)
-      $res .= " placeholder='".htmlentities ($this->placeholder, ENT_QUOTES).
-              "'";
-    $res .= ">";
-    if (isset ($this->values))
-      $res .= htmlspecialchars ($this->values, ENT_QUOTES);
-    else
-      $res .= htmlspecialchars ($this->defaults, ENT_QUOTES);
-    $res .= "</textarea>\n";
-    if (isset ($this->errors))
-    {
-      $res .= "      <div class='invalid-feedback'>";
-      $res .= htmlspecialchars ($this->errors[1]);
-      $res .= "</div>\n";
-    }
-    if (isset ($this->help))
-    {
-      $res .= "      <small class='form-text text-muted' ";
-      $res .= "id='$this->formName"."_";
-      $res .= htmlspecialchars ($this->name, ENT_QUOTES)."_help'>";
-      $res .= $this->help;
-      $res .= "</small>\n";
-    }
-    $res .= "    </div>\n"; // End controls
-    $res .= "  </div>\n"; // End form-group
-    return $res;
-  }
-  // }}}
-
-  /** Return the text defined
-    */
-  private function fieldBootstrap4text ()
-  // {{{
-  {
-    $res = "";
-    // No $this->multiple, $this->titles, $this->rows, $this->cols
-    $res .= "<div class='form-group";
-    if (isset ($this->errors))
-      $res .= " has-".$this->errors[0];
-    if ($this->titlewidth > 0)
-      $res .= " row";
-    $res .= "'>\n";
-    if ($this->label !== "")
-    {
-      $res .= "    <label";
-      if ($this->titlewidth > 0)
-        $res .= " class='col-sm-$this->titlewidth col-form-label'";
-      $res .= " for='".  $this->formName."_";
-      $res .= htmlspecialchars ($this->name, ENT_QUOTES)."'";
-      if (isset ($this->hidden) && $this->hidden !== FALSE)
-        $res .= " style='display:none'";
-      $res .= ">";
-      $res .= htmlspecialchars ($this->label);
-      if (isset ($this->mandatory) && $this->mandatory !== FALSE)
-        $res .= " <span style='color:red'>*</span>";
-      else
-        $res .= " ";
-      $res .= "</label>\n";
-    }
-    $res .= "    <div class='col-sm-$this->fieldwidth'>\n";
-    $res .= "      <input type='text'";
-    $res .= " name='$this->formName"."[";
-    $res .= htmlspecialchars ($this->name, ENT_QUOTES)."]'";
-    $res .= " id='$this->formName"."_";
-    $res .= htmlspecialchars ($this->name, ENT_QUOTES)."'";
-    if (isset ($this->values))
-      $res .= " value='".htmlspecialchars ($this->values,
-                                           ENT_QUOTES)."'";
-    else
-      $res .= " value='".htmlspecialchars ($this->defaults, ENT_QUOTES).
-              "'";
-    if (isset ($this->readonly) && $this->readonly !== FALSE)
-      $res .= " readonly='readonly'";
-    $res .= " class='form-control";
-    if (isset ($this->errors))
-      $res .= " is-invalid";
-    $res .= "'";
-    if (isset ($this->hidden) && $this->hidden !== FALSE)
-      $res .= " style='display:none'";
-    if (isset ($this->cols))
-      $res .= " size='".$this->cols."'";
-    if (isset ($this->maxlength))
-      $res .= " maxlength='".$this->maxlength."'";
-    if (isset ($this->help))
-    {
-      $res .= " aria-describedby='".$this->formName."_";
-      $res .= htmlspecialchars ($this->name, ENT_QUOTES)."_help'";
-    }
-    if (isset ($this->placeholder) && $this->placeholder !== FALSE)
-      $res .= " placeholder='".htmlentities ($this->placeholder, ENT_QUOTES).
-              "'";
-    $res .= "/>\n";
-    if (isset ($this->errors))
-    {
-      $res .= "      <div class='invalid-feedback'>";
-      $res .= htmlspecialchars ($this->errors[1]);
-      $res .= "</div>\n";
-    }
-    if (isset ($this->help))
-    {
-      $res .= "      <small class='form-text text-muted' ";
-      $res .= "id='$this->formName"."_";
-      $res .= htmlspecialchars ($this->name, ENT_QUOTES)."_help'>";
-      $res .= $this->help;
-      $res .= "</small>\n";
-    }
-    $res .= "    </div>\n"; // End controls
-    $res .= "  </div>\n"; // End form-group
-    return $res;
-  }
-  // }}}
-
-  /** Return the file defined
-    */
-  private function fieldBootstrap4file ()
-  // {{{
-  {
-    $res = "";
-    // No $this->multiple, $this->titles, $this->rows, $this->cols
-    $res .= "<div class='form-group";
-    if (isset ($this->errors))
-      $res .= " has-".$this->errors[0];
-    if ($this->titlewidth > 0)
-      $res .= " row";
-    $res .= "'>\n";
-    if ($this->label !== "")
-    {
-      $res .= "    <label";
-      if ($this->titlewidth > 0)
-        $res .= " class='col-sm-$this->titlewidth col-form-label'";
-      $res .= " for='". $this->formName."_";
-      $res .= htmlspecialchars ($this->name, ENT_QUOTES)."'";
-      if (isset ($this->hidden) && $this->hidden !== FALSE)
-        $res .= " style='display:none'";
-      $res .= ">";
-      $res .= htmlspecialchars ($this->label);
-      if (isset ($this->mandatory) && $this->mandatory !== FALSE)
-        $res .= " <span style='color:red'>*</span>";
-      else
-        $res .= " ";
-      $res .= "</label>\n";
-    }
-    $res .= "    <div class='col-sm-$this->fieldwidth'>\n";
-    if (isset ($this->defaults))
-    {
-      $res .= "    <label class='btn btn-default col-sm-$this->fieldwidth'>\n";
-      $res .= htmlspecialchars ($this->defaults, ENT_QUOTES);
-    }
-    $res .= "      <input type='file'";
-    $res .= " name='$this->formName"."[";
-    $res .= htmlspecialchars ($this->name, ENT_QUOTES)."]";
-    if (isset ($this->multiple) && $this->multiple !== false)
-      $res .= "[]";
-    $res .= "'";
-    $res .= " id='$this->formName"."_";
-    $res .= htmlspecialchars ($this->name, ENT_QUOTES)."'";
-    if (isset ($this->values))
-      $res .= " value='".htmlspecialchars ($this->values,
-                                           ENT_QUOTES)."'";
-    else
-      $res .= " value='".htmlspecialchars ($this->defaults, ENT_QUOTES).
-              "'";
-    if (isset ($this->readonly) && $this->readonly !== FALSE)
-      $res .= " readonly='readonly'";
-    $res .= " class='form-control";
-    if (isset ($this->errors))
-      $res .= " is-invalid";
-    $res .= "'";
-    if (isset ($this->hidden) && $this->hidden !== FALSE)
-      $res .= " style='display:none'";
-    if (isset ($this->cols))
-      $res .= " size='".$this->cols."'";
-    if (isset ($this->maxlength))
-      $res .= " maxlength='".$this->maxlength."'";
-    if (isset ($this->help))
-    {
-      $res .= " aria-describedby='".$this->formName."_";
-      $res .= htmlspecialchars ($this->name, ENT_QUOTES)."_help'";
-    }
-    if (isset ($this->placeholder) && $this->placeholder !== FALSE)
-      $res .= " placeholder='".htmlentities ($this->placeholder, ENT_QUOTES).
-              "'";
-    if (isset ($this->multiple) && $this->multiple !== false)
-      $res .= " multiple='multiple'";
-    $res .= "/>\n";
-    if (isset ($this->defaults))
-      $res .= "    </label>\n"; // End labels
-    if (isset ($this->errors))
-    {
-      $res .= "      <div class='invalid-feedback'>";
-      $res .= htmlspecialchars ($this->errors[1]);
-      $res .= "</div>\n";
-    }
-    if (isset ($this->help))
-    {
-      $res .= "      <small class='form-text text-muted' ";
-      $res .= "id='$this->formName"."_";
-      $res .= htmlspecialchars ($this->name, ENT_QUOTES)."_help'>";
-      $res .= $this->help;
-      $res .= "</small>\n";
-    }
-    $res .= "    </div>\n"; // End controls
-    $res .= "  </div>\n"; // End form-group
-    return $res;
-  }
-  // }}}
-
-  // }}}
-}