FormBuilderVocabulary.inc.php

<?php
 
class FormBuilderVocabulary {
   var $_form;
 
   var $_fbvStyles;
 
   function __construct($form = null) {
      $this->_fbvStyles = array(
         'size' => array('SMALL' => 'SMALL', 'MEDIUM' => 'MEDIUM', 'LARGE' => 'LARGE'),
         'height' => array('SHORT' => 'SHORT', 'MEDIUM' => 'MEDIUM', 'TALL' => 'TALL')
      );
   }
 
 
   //
   // Setters and Getters
   //
   function setForm($form) {
      if ($form) assert(is_a($form, 'Form'));
      $this->_form = $form;
   }
 
   function getForm() {
      return $this->_form;
   }
 
   function getStyles() {
      return $this->_fbvStyles;
   }
 
 
   //
   // Public Methods
   //
   function smartyFBVFormArea($params, $content, $smarty, &$repeat) {
      assert(isset($params['id']));
      if (!$repeat) {
         $smarty->assign(array(
            'FBV_class' => isset($params['class']) ? $params['class'] : null,
            'FBV_id' => $params['id'],
            'FBV_content' => isset($content) ? $content : null,
            'FBV_translate' => isset($params['translate']) ? $params['translate'] : true,
            'FBV_title' => isset($params['title']) ? $params['title'] : null,
         ));
         return $smarty->fetch('form/formArea.tpl');
      }
      return '';
   }
 
   function smartyFBVFormSection($params, $content, $smarty, &$repeat) {
      $form = $this->getForm();
      if (!$repeat) {
         $smarty->assign('FBV_required', isset($params['required']) ? $params['required'] : false);
         $smarty->assign('FBV_id', isset($params['id']) ? $params['id'] : null);
 
         // Since $content will contain input fields that may have unique Ids appended, the 'for'
         // attribute on the form section's label needs to include this.  Look for the assigned
         // form element within $content and extract the full id.  Default to the passed in param
         // otherwise.
         if (!empty($params['for'])) {
            if (preg_match('/id="(' . preg_quote($params['for'], '/') . '\-[^"]+)"/', $content, $matches)) {
               $smarty->assign('FBV_labelFor', $matches[1]);
            } else {
               $smarty->assign('FBV_labelFor', $params['for']);
            }
         } else {
            $smarty->assign('FBV_labelFor', null);
         }
         $smarty->assign(array(
            'FBV_title' => isset($params['title']) ? $params['title'] : null,
            'FBV_label' => isset($params['label']) ? $params['label'] : null,
            'FBV_layoutInfo' => $this->_getLayoutInfo($params),
            'FBV_description' => isset($params['description']) ? $params['description'] : null,
            'FBV_content' => isset($content) ? $content: null,
            'FBV_translate' => isset($params['translate']) ? $params['translate'] : true,
         ));
 
         $class = $params['class'];
 
         // Check if we are using the Form class and if there are any errors
         if (isset($form) && !empty($form->formSectionErrors)) {
            $class = $class . (empty($class) ? '' : ' ') . 'error';
            $smarty->assign('FBV_sectionErrors', $form->formSectionErrors);
            $form->formSectionErrors = array();
         } else $smarty->assign('FBV_sectionErrors', null);
 
         // If we are displaying checkboxes or radio options, we'll need to use a
         //  list to organize our elements -- Otherwise we use divs and spans
         if (isset($params['list']) && $params['list'] != false) {
            $smarty->assign('FBV_listSection', true);
         } else {
            // Double check that we don't have lists in the content.
            //  This is a kludge but the only way to make sure we've
            //  set the list parameter when we're using lists
            if (substr(trim($content), 0, 4) == "<li>") {
               throw new Exception('FBV: list attribute not set on form section containing lists');
            }
 
            $smarty->assign('FBV_listSection', false);
         }
 
         $smarty->assign('FBV_class', $class);
         $smarty->assign('FBV_layoutColumns', empty($params['layout']) ? false : true);
 
         return $smarty->fetch('form/formSection.tpl');
      } else {
         if (isset($form)) $form->formSectionErrors = array();
      }
      return '';
   }
 
   function smartyFBVFormButtons($params, $smarty) {
      $smarty->assign(array(
         'FBV_submitText' => isset($params['submitText']) ? $params['submitText'] : 'common.ok',
         'FBV_submitDisabled' => isset($params['submitDisabled']) ? (boolean)$params['submitDisabled'] : false,
         'FBV_confirmSubmit' => isset($params['confirmSubmit']) ? $params['confirmSubmit'] : null,
         'FBV_cancelText' => isset($params['cancelText']) ? $params['cancelText'] : 'common.cancel',
         'FBV_hideCancel' => isset($params['hideCancel']) ? (boolean)$params['hideCancel'] : false,
         'FBV_cancelAction' => isset($params['cancelAction']) ? $params['cancelAction'] : null,
         'FBV_cancelUrl' => isset($params['cancelUrl']) ? $params['cancelUrl'] : null,
         'FBV_cancelUrlTarget' => isset($params['cancelUrlTarget']) ? $params['cancelUrlTarget'] : '',
         'FBV_translate' => isset($params['translate']) ? $params['translate'] : true,
         'FBV_saveText' => isset($params['saveText']) ? $params['saveText'] : null,
         'FBV_saveValue' => isset($params['saveValue']) ? (boolean)$params['saveValue'] : null,
      ));
      return $smarty->fetch('form/formButtons.tpl');
   }
 
   function smartyFBVElement($params, $smarty, $content = null) {
      if (!isset($params['type'])) throw new Exception('FBV: Element type not set');
      if (!isset($params['id'])) throw new Exception('FBV: Element ID not set');
 
      // Set up the element template
      $smarty->assign(array(
         'FBV_id' => $params['id'],
         'FBV_class' => isset($params['class']) ? $params['class'] : null,
         'FBV_required' => isset($params['required']) ? $params['required'] : false,
         'FBV_layoutInfo' => $this->_getLayoutInfo($params),
         'FBV_label' => isset($params['label']) ? $params['label'] : null,
         'FBV_for' => isset($params['for']) ? $params['for'] : null,
         'FBV_tabIndex' => isset($params['tabIndex']) ? $params['tabIndex'] : null,
         'FBV_translate' => isset($params['translate']) ? $params['translate'] : true,
         'FBV_keepLabelHtml' => isset($params['keepLabelHtml']) ? $params['keepLabelHtml'] : false,
      ));
 
      // Unset these parameters so they don't get assigned twice
      unset($params['class']);
 
      // Find fields that the form class has marked as required and add the 'required' class to them
      $params = $this->_addClientSideValidation($params);
      $smarty->assign('FBV_validation', isset($params['validation']) ? $params['validation'] : null);
 
      // Set up the specific field's template
      switch (strtolower_codesafe($params['type'])) {
         case 'autocomplete':
            $content = $this->_smartyFBVAutocompleteInput($params, $smarty);
            break;
         case 'button':
         case 'submit':
            $content = $this->_smartyFBVButton($params, $smarty);
            break;
         case 'checkbox':
            $content = $this->_smartyFBVCheckbox($params, $smarty);
            unset($params['label']);
            break;
         case 'checkboxgroup':
            $content = $this->_smartyFBVCheckboxGroup($params, $smarty);
            unset($params['label']);
            break;
         case 'email':
            $content = $this->_smartyFBVTextInput($params, $smarty);
            break;
         case 'file':
            $content = $this->_smartyFBVFileInput($params, $smarty);
            break;
         case 'hidden':
            $content = $this->_smartyFBVHiddenInput($params, $smarty);
            break;
         case 'keyword':
            $content = $this->_smartyFBVKeywordInput($params, $smarty);
            break;
         case 'interests':
            $content = $this->_smartyFBVInterestsInput($params, $smarty);
            break;
         case 'radio':
            $content = $this->_smartyFBVRadioButton($params, $smarty);
            unset($params['label']);
            break;
         case 'search':
         case 'text':
            $content = $this->_smartyFBVTextInput($params, $smarty);
            break;
         case 'select':
            $content = $this->_smartyFBVSelect($params, $smarty);
            break;
         case 'text':
            $content = $this->_smartyFBVTextInput($params, $smarty);
            break;
         case 'url':
            $content = $this->_smartyFBVTextInput($params, $smarty);
            break;
         case 'textarea':
            $content = $this->_smartyFBVTextArea($params, $smarty);
            break;
         default: assert(false);
      }
 
      unset($params['type']);
 
      return $content;
   }
 
   //
   // Private methods
   //
 
   function _smartyFBVButton($params, $smarty) {
      // the type of this button. the default value is 'button' (but could be 'submit')
 
      $buttonParams = '';
      $smarty->assign(array('FBV_label' => null, 'FBV_disabled' => false));
      foreach ($params as $key => $value) {
         switch ($key) {
            case 'inline':
            case 'translate':
               break;
            case 'label':
            case 'type':
            case 'disabled':
               $smarty->assign('FBV_' . $key, $value);
               break;
            default: $buttonParams .= htmlspecialchars($key, ENT_QUOTES, LOCALE_ENCODING) . '="' . htmlspecialchars($value, ENT_QUOTES, LOCALE_ENCODING) . '" ';
         }
      }
 
      $smarty->assign('FBV_buttonParams', $buttonParams);
 
      return $smarty->fetch('form/button.tpl');
   }
 
   function _smartyFBVAutocompleteInput($params, $smarty) {
      assert(isset($params['autocompleteUrl']) && isset($params['id']));
 
      // This id will be used for the hidden input that should be read by the Form.
      $autocompleteId = $params['id'];
 
      // We then override the id parameter to differentiate it from the hidden element
      //  and make sure that the text input is not read by the Form class.
      $params['id'] = $autocompleteId . '_input';
 
      // We set this now, so that we unset the param for the text input.
      $smarty->assign(array(
         'FBV_autocompleteUrl' => $params['autocompleteUrl'],
         'FBV_autocompleteValue' => isset($params['autocompleteValue']) ? $params['autocompleteValue'] : null,
         'FBV_disableSync' => isset($params['disableSync']) ? true : null,
      ));
 
      unset($params['autocompleteUrl'], $params['autocompleteValue']);
 
      $smarty->assign(array(
         'FBV_textInput' => $this->_smartyFBVTextInput($params, $smarty),
         'FBV_id' => $autocompleteId,
      ));
 
      return $smarty->fetch('form/autocompleteInput.tpl');
   }
 
   function _smartyFBVTextInput($params, $smarty) {
      $params['name'] = isset($params['name']) ? $params['name'] : $params['id'];
      $params['subLabelTranslate'] = isset($params['subLabelTranslate']) ? (boolean) $params['subLabelTranslate'] : true;
      $params['uniqId'] = uniqid();
 
      $textInputParams = '';
      $smarty->assign(array(
         'FBV_isPassword' => isset($params['password']) ? true : false,
         'FBV_isTypeURL' => $params['type'] === 'url' ? true : false,
         'FBV_isTypeSearch' => $params['type'] === 'search' ? true : false,
         'FBV_disabled' => false,
         'FBV_readonly' => false,
         'FBV_multilingual' => false,
         'FBV_name' => null,
         'FBV_value' => null,
         'FBV_label_content' => null,
         'FBV_uniqId' => null,
         'FBV_urlValidationErrorMessage' => null,
      ));
      foreach ($params as $key => $value) {
         switch ($key) {
            case 'label': $smarty->assign('FBV_label_content', $this->_smartyFBVSubLabel($params, $smarty)); break;
            case 'type': break;
            case 'size': break;
            case 'inline': break;
            case 'subLabelTranslate': break;
            case 'urlValidationErrorMsg':
               if ($params['type'] === 'url') {
                  $smarty->assign('FBV_urlValidationErrorMessage', __($value));
               }
               break;
            case 'placeholder': $textInputParams .= 'placeholder="' . htmlspecialchars(__($value), ENT_QUOTES, LOCALE_ENCODING) . '" '; break;
            case 'disabled':
            case 'readonly':
            case 'multilingual':
            case 'name':
            case 'id':
            case 'value':
            case 'uniqId':
               $smarty->assign('FBV_' . $key, $value); break;
            case 'required': if ($value) $textInputParams .= 'required="' . htmlspecialchars($value, ENT_QUOTES, LOCALE_ENCODING) . '"'; break;
            default: $textInputParams .= htmlspecialchars($key, ENT_QUOTES, LOCALE_ENCODING) . '="' . htmlspecialchars($value, ENT_QUOTES, LOCALE_ENCODING). '" ';
         }
      }
 
      $smarty->assign('FBV_textInputParams', $textInputParams);
 
      return $smarty->fetch('form/textInput.tpl');
   }
 
   function _smartyFBVTextArea($params, $smarty) {
      $params['name'] = isset($params['name']) ? $params['name'] : $params['id'];
      $params['rows'] = isset($params['rows']) ? $params['rows'] : 10;
      $params['cols'] = isset($params['cols']) ? $params['cols'] : 80;
      $params['subLabelTranslate'] = isset($params['subLabelTranslate']) ? (boolean) $params['subLabelTranslate'] : true;
      $params['uniqId'] = uniqid();
 
      $textAreaParams = '';
      $smarty->assign(array(
         'FBV_label_content' => null,
         'FBV_disabled' => false,
         'FBV_readonly' => false,
         'FBV_multilingual' => false,
         'FBV_value' => null,
         'FBV_height' => null,
         'FBV_rich' => false,
         'FBV_variables' => null,
         'FBV_variablesType' => null,
      ));
      foreach ($params as $key => $value) {
         switch ($key) {
            case 'name':
            case 'value':
            case 'rows':
            case 'cols':
            case 'rich':
            case 'disabled':
            case 'readonly':
            case 'multilingual':
            case 'uniqId':
            case 'variablesType':
            case 'variables':
            case 'required':
               $smarty->assign('FBV_' . $key, $value);
               break;
            case 'label': $smarty->assign('FBV_label_content', $this->_smartyFBVSubLabel($params, $smarty)); break;
            case 'type': break;
            case 'size': break;
            case 'inline': break;
            case 'subLabelTranslate': break;
            case 'height':
               $styles = $this->getStyles();
               switch($value) {
                  case $styles['height']['SHORT']: $smarty->assign('FBV_height', 'short'); break;
                  case $styles['height']['MEDIUM']: $smarty->assign('FBV_height', 'medium'); break;
                  case $styles['height']['TALL']: $smarty->assign('FBV_height', 'tall'); break;
                  default:
                     throw new Exception('FBV: invalid height specified for textarea.');
               }
               break;
            case 'id': break; // if we don't do this, the textarea ends up with two id attributes because FBV_id is also set.
            default: $textAreaParams .= htmlspecialchars($key, ENT_QUOTES, LOCALE_ENCODING) . '="' . htmlspecialchars($value, ENT_QUOTES, LOCALE_ENCODING) . '" ';
         }
      }
 
      $smarty->assign('FBV_textAreaParams', $textAreaParams);
 
      return $smarty->fetch('form/textarea.tpl');
   }
 
   function _smartyFBVHiddenInput($params, $smarty) {
      $params['name'] = isset($params['name']) ? $params['name'] : $params['id'];
 
      $hiddenInputParams = '';
      $smarty->assign(array('FBV_id' => null, 'FBV_value' => null));
      foreach ($params as $key => $value) {
         switch ($key) {
            case 'name':
            case 'id':
            case 'value':
               $smarty->assign('FBV_' . $key, $value);
               break;
            case 'label': break;
            case 'type': break;
            default: $hiddenInputParams .= htmlspecialchars($key, ENT_QUOTES, LOCALE_ENCODING) . '="' . htmlspecialchars($value, ENT_QUOTES, LOCALE_ENCODING) . '" ';
         }
      }
 
      $smarty->assign('FBV_hiddenInputParams', $hiddenInputParams);
 
      return $smarty->fetch('form/hiddenInput.tpl');
   }
 
   function _smartyFBVSelect($params, $smarty) {
      $params['name'] = isset($params['name']) ? $params['name'] : $params['id'];
      $params['translate'] = isset($params['translate']) ? $params['translate'] : true;
      $params['subLabelTranslate'] = isset($params['subLabelTranslate']) ? (boolean) $params['subLabelTranslate'] : true;
 
      $selectParams = '';
 
      $smarty->assign(array(
         'FBV_label' => null,
         'FBV_from' => null,
         'FBV_selected' => null,
         'FBV_label_content' => null,
         'FBV_defaultValue' => null,
         'FBV_defaultLabel' => null,
         'FBV_required' => false,
         'FBV_disabled' => false,
      ));
      foreach ($params as $key => $value) {
         switch ($key) {
            case 'from':
            case 'selected':
            case 'translate':
            case 'defaultValue':
            case 'defaultLabel':
            case 'disabled':
            case 'required':
               $smarty->assign('FBV_' . $key, $value);
               break;
            case 'type':
            case 'inline':
            case 'size':
               break;
            case 'subLabelTranslate': break;
            case 'label': $smarty->assign('FBV_label_content', $this->_smartyFBVSubLabel($params, $smarty)); break;
            default: $selectParams .= htmlspecialchars($key, ENT_QUOTES, LOCALE_ENCODING) . '="' . htmlspecialchars($value, ENT_QUOTES, LOCALE_ENCODING) . '" ';
         }
      }
 
      $smarty->assign('FBV_selectParams', $selectParams);
 
      return $smarty->fetch('form/select.tpl');
   }
 
   function _smartyFBVCheckboxGroup($params, $smarty) {
      $params['name'] = isset($params['name']) ? $params['name'] : $params['id'];
      $params['translate'] = isset($params['translate']) ? (boolean)$params['translate'] : true;
      $params['subLabelTranslate'] = isset($params['subLabelTranslate']) ? (boolean) $params['subLabelTranslate'] : true;
      $checkboxParams = '';
 
      $smarty->assign(array('FBV_from' => null, 'FBV_selected' => false, 'FBV_label_content' => null, 'FBV_defaultValue' => null, 'FBV_defaultLabel' => null));
      foreach ($params as $key => $value) {
         switch ($key) {
            case 'from':
            case 'selected':
            case 'defaultValue':
            case 'defaultLabel':
            case 'translate':
            case 'name':
            case 'validation':
            case 'disabled':
               $smarty->assign('FBV_' . $key, $value);
               break;
            case 'type': break;
            case 'inline': break;
            case 'subLabelTranslate': break;
            default: $checkboxParams .= htmlspecialchars($key, ENT_QUOTES, LOCALE_ENCODING) . '="' . htmlspecialchars($value, ENT_QUOTES, LOCALE_ENCODING) . '" ';
         }
      }
 
      $smarty->assign('FBV_checkboxParams', $checkboxParams);
 
      return $smarty->fetch('form/checkboxGroup.tpl');
   }
 
   function _smartyFBVCheckbox($params, $smarty) {
      $params['name'] = isset($params['name']) ? $params['name'] : $params['id'];
      $params['translate'] = isset($params['translate']) ? (boolean)$params['translate'] : true;
 
      $checkboxParams = '';
      $smarty->assign(array('FBV_id' => null, 'FBV_label' => null, 'FBV_checked' => false, 'FBV_disabled' => false));
      foreach ($params as $key => $value) {
         switch ($key) {
            case 'type': break;
            case 'id':
            case 'label':
            case 'translate':
            case 'checked':
            case 'disabled':
               $smarty->assign('FBV_' . $key, $value);
               break;
            default: $checkboxParams .= htmlspecialchars($key, ENT_QUOTES, LOCALE_ENCODING) . '="' . htmlspecialchars($value, ENT_QUOTES, LOCALE_ENCODING) . '" ';
         }
      }
 
      $smarty->assign('FBV_checkboxParams', $checkboxParams);
 
      return $smarty->fetch('form/checkbox.tpl');
   }
 
   function _smartyFBVRadioButton($params, $smarty) {
      $params['name'] = isset($params['name']) ? $params['name'] : $params['id'];
      $params['translate'] = isset($params['translate']) ? $params['translate'] : true;
 
      if (isset($params['label']) && isset($params['content'])) {
         throw new Exception('FBV: radio button cannot have both a content and a label parameter.  Label has precedence.');
      }
 
      $radioParams = '';
      $smarty->assign(array('FBV_id' => null, 'FBV_label' => null, 'FBV_content' => null, 'FBV_checked' => false, 'FBV_disabled' => false));
      foreach ($params as $key => $value) {
         switch ($key) {
            case 'type': break;
            case 'id':
            case 'label':
            case 'translate':
            case 'checked':
            case 'disabled':
            case 'content':
               $smarty->assign('FBV_' . $key, $value);
               break;
            default: $radioParams .= htmlspecialchars($key, ENT_QUOTES, LOCALE_ENCODING) . '="' . htmlspecialchars($value, ENT_QUOTES, LOCALE_ENCODING) . '" ';
         }
      }
 
      $smarty->assign('FBV_radioParams', $radioParams);
 
      return $smarty->fetch('form/radioButton.tpl');
   }
 
   function _smartyFBVFileInput($params, $smarty) {
      $params['name'] = isset($params['name']) ? $params['name'] : $params['id'];
      $params['translate'] = isset($params['translate']) ? $params['translate'] : true;
 
      $smarty->assign(array('FBV_id' => null, 'FBV_label_content' => null, 'FBV_checked' => false, 'FBV_disabled' => false, 'FBV_submit' => null));
      foreach ($params as $key => $value) {
         switch ($key) {
            case 'type': break;
            case 'id':
            case 'submit':
            case 'name':
            case 'disabled':
               $smarty->assign('FBV_' . $key, $value);
               break;
            case 'label': $smarty->assign('FBV_label_content', $this->_smartyFBVSubLabel($params, $smarty)); break;
         }
      }
 
      return $smarty->fetch('form/fileInput.tpl');
   }
 
   function _smartyFBVKeywordInput($params, $smarty) {
      $params['uniqId'] = uniqid();
 
      $smarty->assign(array('FBV_id' => null, 'FBV_label' => null, 'FBV_label_content' => null, 'FBV_currentKeywords' => null, 'FBV_multilingual' => false, 'FBV_sourceUrl' => null, 'FBV_disabled' => false));
      $emptyFormLocaleMap = array_fill_keys(array_keys($smarty->getTemplateVars('formLocales')), array());
      $smarty->assign('FBV_availableKeywords', $emptyFormLocaleMap);
      foreach ($params as $key => $value) {
         switch ($key) {
            case 'type': break;
            case 'id':
            case 'uniqId':
            case 'disabled':
            case 'multilingual':
               $smarty->assign('FBV_' . $key, $value);
               break;
            case 'label': $smarty->assign('FBV_label_content', $this->_smartyFBVSubLabel($params, $smarty)); break;
            case 'available': $smarty->assign(
               'FBV_availableKeywords',
               $thing = array_merge(
                  $emptyFormLocaleMap,
                  $value
               )
            ); break;
            case 'current': $smarty->assign('FBV_currentKeywords', $value); break;
            case 'sourceUrl': $smarty->assign('FBV_sourceUrl', $value); break;
         }
      }
 
      return $smarty->fetch('form/keywordInput.tpl');
   }
 
   function _smartyFBVInterestsInput($params, $smarty) {
      $smarty->assign(array('FBV_id' => null, 'FBV_label' => null, 'FBV_label_content' => null, 'FBV_interests' => null));
      $params['subLabelTranslate'] = isset($params['subLabelTranslate']) ? (boolean) $params['subLabelTranslate'] : true;
      foreach ($params as $key => $value) {
         switch ($key) {
            case 'type': break;
            case 'id':
            case 'interests':
               $smarty->assign('FBV_' . $key, $value);
               break;
            case 'label': $smarty->assign('FBV_label_content', $this->_smartyFBVSubLabel($params, $smarty)); break;
         }
      }
 
      return $smarty->fetch('form/interestsInput.tpl');
   }
 
   function _smartyFBVSubLabel($params, $smarty) {
      assert(isset($params['label']));
 
      $returner = '';
 
      $smarty->assign(array('FBV_suppressId' => null, 'FBV_label' => null, 'FBV_required' => false, 'FBV_uniqId' => null, 'FBV_multilingual' => false, 'FBV_required' => false));
      foreach ($params as $key => $value) {
         switch ($key) {
            case 'subLabelTranslate': $smarty->assign('FBV_subLabelTranslate', $value); break;
            case 'label':
            case 'uniqId':
            case 'multilingual':
            case 'suppressId':
            case 'required':
               $smarty->assign('FBV_' . $key, $value);
               break;
         }
      }
 
      $form = $this->getForm();
      if (isset($form) && isset($form->errorFields[$params['name']])) {
         $smarty->assign('FBV_error', true);
         $errors = $form->getErrorsArray();
         $smarty->assign('FBV_subLabelTranslate', false);
         $smarty->assign('FBV_label', $errors[$params['name']]);
      } else {
         $smarty->assign('FBV_error', false);
      }
 
      $returner = $smarty->fetch('form/subLabel.tpl');
 
      return $returner;
   }
 
   function _addClientSideValidation($params) {
      $form = $this->getForm();
      if (isset($form)) {
         // Assign the appropriate class name to the element for client-side validation
         $fieldId = $params['id'];
         if (isset($form->cssValidation[$fieldId])) {
            $params['validation'] = implode(' ', $form->cssValidation[$fieldId]);
         }
      }
      return $params;
   }
 
   function _getLayoutInfo($params) {
      $classes = array();
      foreach ($params as $key => $value) {
         switch ($key) {
            case 'size':
               switch($value) {
                  case 'SMALL': $classes[] = 'pkp_helpers_quarter'; break;
                  case 'MEDIUM': $classes[] = 'pkp_helpers_half'; break;
                  CASE 'LARGE': $classes[] = 'pkp_helpers_threeQuarter'; break;
               }
               break;
            case 'inline':
               if($value) $classes[] = 'inline'; break;
         }
      }
      if(!empty($classes)) {
         return implode(' ', $classes);
      } else return null;
   }
 
 
   function smartyFieldLabel($params, $smarty) {
      $returner = '';
      if (isset($params) && !empty($params)) {
         if (isset($params['key'])) {
            $params['label'] = __($params['key'], $params);
         }
 
         $form = $this->getForm();
         if (isset($form) && isset($form->errorFields[$params['name']])) {
            $smarty->assign('FBV_class', 'error ' . $params['class']);
         } else {
            $smarty->assign('FBV_class', $params['class']);
         }
 
         $smarty->assign(array('FBV_suppressId' => null, 'FBV_label' => null, 'FBV_required' => false, 'FBV_disabled' => false, 'FBV_name' => null));
         foreach ($params as $key => $value) {
            switch ($key) {
               case 'label':
               case 'required':
               case 'suppressId':
               case 'disabled':
               case 'name':
                  $smarty->assign('FBV_' . $key, $value);
                  break;
            }
         }
 
         $returner = $smarty->fetch('form/fieldLabel.tpl');
      }
      return $returner;
   }
}