[civicrm-core.git] / CRM / Core / BAO / CustomField.php

<?php
/*
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  | CiviCRM version 4.3                                                |
  +--------------------------------------------------------------------+
  | Copyright CiviCRM LLC (c) 2004-2013                                |
  +--------------------------------------------------------------------+
  | This file is a part of CiviCRM.                                    |
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  | CiviCRM is free software; you can copy, modify, and distribute it  |
  | under the terms of the GNU Affero General Public License           |
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  | See the GNU Affero General Public License for more details.        |
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*/

/**
 *
 * @package CRM
 * @copyright CiviCRM LLC (c) 2004-2013
 * $Id$
 *
 */

/**
 * Business objects for managing custom data fields.
 *
 */
class CRM_Core_BAO_CustomField extends CRM_Core_DAO_CustomField {

  /**
   * Array for valid combinations of data_type & descriptions
   *
   * @var array
   * @static
   */
  public static $_dataType = NULL;

  /**
   * Array for valid combinations of data_type & html_type
   *
   * @var array
   * @static
   */
  public static $_dataToHtml = NULL;

  /**
   * Array to hold (formatted) fields for import
   *
   * @var array
   * @static
   */
  public static $_importFields = NULL;

  /**
   * Build and retrieve the list of data types and descriptions
   *
   * @param NULL
   *
   * @return array        Data type => Description
   * @access public
   * @static
   */
  static function &dataType() {
    if (!(self::$_dataType)) {
      self::$_dataType = array(
        'String' => ts('Alphanumeric'),
        'Int' => ts('Integer'),
        'Float' => ts('Number'),
        'Money' => ts('Money'),
        'Memo' => ts('Note'),
        'Date' => ts('Date'),
        'Boolean' => ts('Yes or No'),
        'StateProvince' => ts('State/Province'),
        'Country' => ts('Country'),
        'File' => ts('File'),
        'Link' => ts('Link'),
        'ContactReference' => ts('Contact Reference'),
      );
    }
    return self::$_dataType;
  }

  static function dataToHtml() {
    if (!self::$_dataToHtml) {
      self::$_dataToHtml = array(
        array(
          'Text' => 'Text', 'Select' => 'Select',
          'Radio' => 'Radio', 'CheckBox' => 'CheckBox',
          'Multi-Select' => 'Multi-Select',
          'AdvMulti-Select' => 'AdvMulti-Select',
          'Autocomplete-Select' => 'Autocomplete-Select',
        ),
        array('Text' => 'Text', 'Select' => 'Select', 'Radio' => 'Radio'),
        array('Text' => 'Text', 'Select' => 'Select', 'Radio' => 'Radio'),
        array('Text' => 'Text', 'Select' => 'Select', 'Radio' => 'Radio'),
        array('TextArea' => 'TextArea', 'RichTextEditor' => 'RichTextEditor'),
        array('Date' => 'Select Date'),
        array('Radio' => 'Radio'),
        array('StateProvince' => 'Select State/Province', 'Multi-Select' => 'Multi-Select State/Province'),
        array('Country' => 'Select Country', 'Multi-Select' => 'Multi-Select Country'),
        array('File' => 'File'),
        array('Link' => 'Link'),
        array('ContactReference' => 'Autocomplete-Select'),
      );
    }
    return self::$_dataToHtml;
  }

  /**
   * takes an associative array and creates a custom field object
   *
   * This function is invoked from within the web form layer and also from the api layer
   *
   * @param array $params (reference) an assoc array of name/value pairs
   *
   * @return object CRM_Core_DAO_CustomField object
   * @access public
   * @static
   */
  static function create(&$params) {
    if (!isset($params['id']) && !isset($params['column_name'])) {
      // if add mode & column_name not present, calculate it.
      $params['column_name'] = strtolower(CRM_Utils_String::munge($params['label'], '_', 32));

      $params['name'] = CRM_Utils_String::munge($params['label'], '_', 64);
    }
    elseif (isset($params['id'])) {
      $params['column_name'] = CRM_Core_DAO::getFieldValue('CRM_Core_DAO_CustomField',
        $params['id'],
        'column_name'
      );
    }

    $indexExist = FALSE;
    //as during create if field is_searchable we had created index.
    if (CRM_Utils_Array::value('id', $params)) {
      $indexExist = CRM_Core_DAO::getFieldValue('CRM_Core_DAO_CustomField', $params['id'], 'is_searchable');
    }

    if (($params['html_type'] == 'CheckBox' ||
        $params['html_type'] == 'AdvMulti-Select' ||
        $params['html_type'] == 'Multi-Select'
      ) &&
      isset($params['default_checkbox_option'])
    ) {
      $tempArray = array_keys($params['default_checkbox_option']);
      $defaultArray = array();
      foreach ($tempArray as $k => $v) {
        if ($params['option_value'][$v]) {
          $defaultArray[] = $params['option_value'][$v];
        }
      }

      if (!empty($defaultArray)) {
        // also add the seperator before and after the value per new conventio (CRM-1604)
        $params['default_value'] = CRM_Core_DAO::VALUE_SEPARATOR . implode(CRM_Core_DAO::VALUE_SEPARATOR, $defaultArray) . CRM_Core_DAO::VALUE_SEPARATOR;
      }
    }
    else {
      if (CRM_Utils_Array::value('default_option', $params)
        && isset($params['option_value'][$params['default_option']])
      ) {
        $params['default_value'] = $params['option_value'][$params['default_option']];
      }
    }
    $transaction = new CRM_Core_Transaction();
    // create any option group & values if required
    if ($params['html_type'] != 'Text' &&
      in_array($params['data_type'], array(
        'String', 'Int', 'Float', 'Money')) &&
      !empty($params['option_value']) && is_array($params['option_value'])
    ) {

      $tableName = CRM_Core_DAO::getFieldValue('CRM_Core_DAO_CustomGroup',
        $params['custom_group_id'],
        'table_name'
      );


      if ($params['option_type'] == 1) {
        // first create an option group for this custom group
        $optionGroup = new CRM_Core_DAO_OptionGroup();
        $optionGroup->name = "{$params['column_name']}_" . date('YmdHis');
        $optionGroup->title = $params['label'];
        $optionGroup->is_active = 1;
        $optionGroup->save();
        $params['option_group_id'] = $optionGroup->id;


        foreach ($params['option_value'] as $k => $v) {
          if (strlen(trim($v))) {
            $optionValue = new CRM_Core_DAO_OptionValue();
            $optionValue->option_group_id = $optionGroup->id;
            $optionValue->label = $params['option_label'][$k];
            $optionValue->name = CRM_Utils_String::titleToVar($params['option_label'][$k]);
            switch ($params['data_type']) {
              case 'Money':
                $optionValue->value = CRM_Utils_Rule::cleanMoney($v);
                break;

              case 'Int':
                $optionValue->value = intval($v);
                break;

              case 'Float':
                $optionValue->value = floatval($v);
                break;

              default:
                $optionValue->value = trim($v);
            }

            $optionValue->weight = $params['option_weight'][$k];
            $optionValue->is_active = CRM_Utils_Array::value($k, $params['option_status'], FALSE);
            $optionValue->save();
          }
        }
      }
    }

    // check for orphan option groups
    if (CRM_Utils_Array::value('option_group_id', $params)) {
      if (CRM_Utils_Array::value('id', $params)) {
        self::fixOptionGroups($params['id'], $params['option_group_id']);
      }

      // if we dont have a default value
      // retrive it from one of the other custom fields which use this option group
      if (!CRM_Utils_Array::value('default_value', $params)) {
        //don't insert only value separator as default value, CRM-4579
        $defaultValue = self::getOptionGroupDefault($params['option_group_id'],
          $params['html_type']
        );

        if (!CRM_Utils_System::isNull(explode(CRM_Core_DAO::VALUE_SEPARATOR,
              $defaultValue
            ))) {
          $params['default_value'] = $defaultValue;
        }
      }
    }

    // since we need to save option group id :)
    if (!isset($params['attributes']) && strtolower($params['html_type']) == 'textarea') {
      $params['attributes'] = 'rows=4, cols=60';
    }

    $customField = new CRM_Core_DAO_CustomField();
    $customField->copyValues($params);
    $customField->is_required = CRM_Utils_Array::value('is_required', $params, FALSE);
    $customField->is_searchable = CRM_Utils_Array::value('is_searchable', $params, FALSE);
    $customField->is_search_range = CRM_Utils_Array::value('is_search_range', $params, FALSE);
    $customField->is_active = CRM_Utils_Array::value('is_active', $params, FALSE);
    $customField->is_view = CRM_Utils_Array::value('is_view', $params, FALSE);
    $customField->save();

    // make sure all values are present in the object for further processing
    $customField->find(TRUE);

    //create/drop the index when we toggle the is_searchable flag
    if (CRM_Utils_Array::value('id', $params)) {
      self::createField($customField, 'modify', $indexExist);
    }
    else {
      $customField->column_name .= "_{$customField->id}";
      $customField->save();
      // make sure all values are present in the object
      $customField->find(TRUE);

      self::createField($customField, 'add');
    }

    // complete transaction
    $transaction->commit();

    CRM_Utils_System::flushCache();

    return $customField;
  }

  /**
   * Takes a bunch of params that are needed to match certain criteria and
   * retrieves the relevant objects. Typically the valid params are only
   * contact_id. We'll tweak this function to be more full featured over a period
   * of time. This is the inverse function of create. It also stores all the retrieved
   * values in the default array
   *
   * @param array $params   (reference ) an assoc array of name/value pairs
   * @param array $defaults (reference ) an assoc array to hold the flattened values
   *
   * @return object CRM_Core_DAO_CustomField object
   * @access public
   * @static
   */
  static function retrieve(&$params, &$defaults) {
    return CRM_Core_DAO::commonRetrieve('CRM_Core_DAO_CustomField', $params, $defaults);
  }

  /**
   * update the is_active flag in the db
   *
   * @param int      $id         Id of the database record
   * @param boolean  $is_active  Value we want to set the is_active field
   *
   * @return   Object            DAO object on sucess, null otherwise
   *
   * @access public
   * @static
   */
  static function setIsActive($id, $is_active) {

    CRM_Utils_System::flushCache();

    //enable-disable CustomField
    CRM_Core_BAO_UFField::setUFField($id, $is_active);
    return CRM_Core_DAO::setFieldValue('CRM_Core_DAO_CustomField', $id, 'is_active', $is_active);
  }

  /**
   * Get the field title.
   *
   * @param int $id id of field.
   *
   * @return string name
   *
   * @access public
   * @static
   *
   */
  public static function getTitle($id) {
    return CRM_Core_DAO::getFieldValue('CRM_Core_DAO_CustomField', $id, 'label');
  }

  /**
   * Store and return an array of all active custom fields.
   *
   * @param string      $customDataType      type of Custom Data
   * @param boolean     $showAll             If true returns all fields (includes disabled fields)
   * @param boolean     $inline              If true returns all inline fields (includes disabled fields)
   * @param int         $customDataSubType   Custom Data sub type value
   * @param int         $customDataSubName   Custom Data sub name value
   * @param boolean     $onlyParent          return only top level custom data, for eg, only Participant and ignore subname and subtype
   * @param boolean     $onlySubType         return only custom data for subtype
   * @param boolean     $checkPermission     if false, do not include permissioning clause
   *
   * @return array      $fields - an array of active custom fields.
   *
   * @access public
   * @static
   */
  public static function &getFields($customDataType = 'Individual',
    $showAll           = FALSE,
    $inline            = FALSE,
    $customDataSubType = NULL,
    $customDataSubName = NULL,
    $onlyParent        = FALSE,
    $onlySubType       = FALSE,
    $checkPermission   = TRUE
  ) {
    if ($customDataType &&
      !is_array($customDataType)
    ) {

      if (in_array($customDataType,
          CRM_Contact_BAO_ContactType::subTypes()
        )) {
        // This is the case when getFieldsForImport() requires fields
        // limited strictly to a subtype.
        $customDataSubType = $customDataType;
        $customDataType    = CRM_Contact_BAO_ContactType::getBasicType($customDataType);
        $onlySubType       = TRUE;
      }

      if (in_array($customDataType,
          array_keys(CRM_Core_SelectValues::customGroupExtends())
        )) {
        // this makes the method flexible to support retrieving fields
        // for multiple extends value.
        $customDataType = array($customDataType);
      }
    }

    if ($customDataSubType && !is_array($customDataSubType)) {
      $customDataSubType = explode(CRM_Core_DAO::VALUE_SEPARATOR,
        trim($customDataSubType, CRM_Core_DAO::VALUE_SEPARATOR)
      );
    }

    if (is_array($customDataType)) {
      $cacheKey = implode('_', $customDataType);
    }
    else {
      $cacheKey = $customDataType;
    }

    $cacheKey .= !empty($customDataSubType) ? ('_' . implode('_', $customDataSubType)) : '_0';
    $cacheKey .= $customDataSubName ? "{$customDataSubName}_" : '_0';
    $cacheKey .= $showAll ? '_1' : '_0';
    $cacheKey .= $inline ? '_1_' : '_0_';
    $cacheKey .= $onlyParent ? '_1_' : '_0_';
    $cacheKey .= $onlySubType ? '_1_' : '_0_';
    $cacheKey .= $checkPermission ? '_1_' : '_0_';

    $cgTable = CRM_Core_DAO_CustomGroup::getTableName();

    // also get the permission stuff here
    if ($checkPermission) {
      $permissionClause = CRM_Core_Permission::customGroupClause(CRM_Core_Permission::VIEW,
        "{$cgTable}."
      );
    }
    else {
      $permissionClause = '(1)';
    }

    // lets md5 permission clause and take first 8 characters
    $cacheKey .= substr(md5($permissionClause), 0, 8);

    if (strlen($cacheKey) > 40) {
      $cacheKey = md5($cacheKey);
    }

    if (!self::$_importFields ||
      CRM_Utils_Array::value($cacheKey, self::$_importFields) === NULL
    ) {
      if (!self::$_importFields) {
        self::$_importFields = array();
      }

      // check if we can retrieve from database cache
      $fields = CRM_Core_BAO_Cache::getItem('contact fields', "custom importableFields $cacheKey");

      if ($fields === NULL) {
        $cfTable = self::getTableName();

        $extends = '';
        if (is_array($customDataType)) {
          $value = NULL;
          foreach ($customDataType as $dataType) {
            if (in_array($dataType,
                array_keys(CRM_Core_SelectValues::customGroupExtends())
              )) {
              if (in_array($dataType, array(
                'Individual', 'Household', 'Organization'))) {
                $val = "'" . CRM_Utils_Type::escape($dataType, 'String') . "', 'Contact' ";
              }
              else {
                $val = "'" . CRM_Utils_Type::escape($dataType, 'String') . "'";
              }
              $value = $value ? $value . ", {$val}" : $val;
            }
          }
          if ($value) {
            $extends = "AND   $cgTable.extends IN ( $value ) ";
          }
        }

        if ($onlyParent) {
          $extends .= " AND $cgTable.extends_entity_column_value IS NULL AND $cgTable.extends_entity_column_id IS NULL ";
        }

        $query = "SELECT $cfTable.id, $cfTable.label,
                            $cgTable.title,
                            $cfTable.data_type, $cfTable.html_type,
                            $cfTable.options_per_line, $cfTable.text_length,
                            $cfTable.custom_group_id,
                            $cgTable.extends, $cfTable.is_search_range,
                            $cgTable.extends_entity_column_value,
                            $cgTable.extends_entity_column_id,
                            $cfTable.is_view,
                            $cfTable.option_group_id,
                            $cfTable.date_format,
                            $cfTable.time_format,
                            $cgTable.is_multiple
                     FROM $cfTable
                     INNER JOIN $cgTable
                     ON $cfTable.custom_group_id = $cgTable.id
                     WHERE ( 1 ) ";

        if (!$showAll) {
          $query .= " AND $cfTable.is_active = 1 AND $cgTable.is_active = 1 ";
        }

        if ($inline) {
          $query .= " AND $cgTable.style = 'Inline' ";
        }

        //get the custom fields for specific type in
        //combination with fields those support any type.
        if (!empty($customDataSubType)) {
          $subtypeClause = array();
          foreach ($customDataSubType as $subtype) {
            $subtype = CRM_Core_DAO::VALUE_SEPARATOR . $subtype . CRM_Core_DAO::VALUE_SEPARATOR;
            $subtypeClause[] = "$cgTable.extends_entity_column_value LIKE '%{$subtype}%'";
          }
          if (!$onlySubType) {
            $subtypeClause[] = "$cgTable.extends_entity_column_value IS NULL";
          }
          $query .= " AND ( " . implode(' OR ', $subtypeClause) . " )";
        }

        if ($customDataSubName) {
          $query .= " AND ( $cgTable.extends_entity_column_id = $customDataSubName ) ";
        }

        // also get the permission stuff here
        if ($checkPermission) {
          $permissionClause = CRM_Core_Permission::customGroupClause(CRM_Core_Permission::VIEW,
            "{$cgTable}.", TRUE
          );
        }
        else {
          $permissionClause = '(1)';
        }

        $query .= " $extends AND $permissionClause
                        ORDER BY $cgTable.weight, $cgTable.title,
                                 $cfTable.weight, $cfTable.label";

        $dao = CRM_Core_DAO::executeQuery($query);

        $fields = array();
        while (($dao->fetch()) != NULL) {
          $fields[$dao->id]['label'] = $dao->label;
          $fields[$dao->id]['groupTitle'] = $dao->title;
          $fields[$dao->id]['data_type'] = $dao->data_type;
          $fields[$dao->id]['html_type'] = $dao->html_type;
          $fields[$dao->id]['text_length'] = $dao->text_length;
          $fields[$dao->id]['options_per_line'] = $dao->options_per_line;
          $fields[$dao->id]['custom_group_id'] = $dao->custom_group_id;
          $fields[$dao->id]['extends'] = $dao->extends;
          $fields[$dao->id]['is_search_range'] = $dao->is_search_range;
          $fields[$dao->id]['extends_entity_column_value'] = $dao->extends_entity_column_value;
          $fields[$dao->id]['extends_entity_column_id'] = $dao->extends_entity_column_id;
          $fields[$dao->id]['is_view'] = $dao->is_view;
          $fields[$dao->id]['is_multiple'] = $dao->is_multiple;
          $fields[$dao->id]['option_group_id'] = $dao->option_group_id;
          $fields[$dao->id]['date_format'] = $dao->date_format;
          $fields[$dao->id]['time_format'] = $dao->time_format;
        }

        CRM_Core_BAO_Cache::setItem($fields,
          'contact fields',
          "custom importableFields $cacheKey"
        );
      }
      self::$_importFields[$cacheKey] = $fields;
    }

    return self::$_importFields[$cacheKey];
  }

  /**
   * Return the field ids and names (with groups) for import purpose.
   *
   * @param int      $contactType     Contact type
   * @param boolean  $showAll         If true returns all fields (includes disabled fields)
   * @param boolean  $onlyParent      return fields ONLY related to basic types
   * @param boolean  $search          when called from search and multiple records need to be returned
   * @param boolean  $checkPermission if false, do not include permissioning clause
   *
   * @return array   $fields -
   *
   * @access public
   * @static
   */
  public static function &getFieldsForImport($contactType = 'Individual',
    $showAll         = FALSE,
    $onlyParent      = FALSE,
    $search          = FALSE,
    $checkPermission = TRUE,
    $withMultiple    = FALSE
  ) {
    // Note: there are situations when we want getFieldsForImport() return fields related
    // ONLY to basic contact types, but NOT subtypes. And thats where $onlyParent is helpful
    $fields = &self::getFields($contactType,
      $showAll,
      FALSE,
      NULL,
      NULL,
      $onlyParent,
      FALSE,
      $checkPermission
    );

    $importableFields = array();
    foreach ($fields as $id => $values) {
      // for now we should not allow multiple fields in profile / export etc, hence unsetting
      if (!$search &&
        (CRM_Utils_Array::value('is_multiple', $values) && !$withMultiple)
      ) {
        continue;
      }

      /* generate the key for the fields array */

      $key = "custom_$id";

      $regexp = preg_replace('/[.,;:!?]/', '', CRM_Utils_Array::value(0, $values));
      $importableFields[$key] = array(
        'name' => $key,
        'title' => CRM_Utils_Array::value('label', $values),
        'headerPattern' => '/' . preg_quote($regexp, '/') . '/',
        'import' => 1,
        'custom_field_id' => $id,
        'options_per_line' => CRM_Utils_Array::value('options_per_line', $values),
        'data_type' => CRM_Utils_Array::value('data_type', $values),
        'html_type' => CRM_Utils_Array::value('html_type', $values),
        'is_search_range' => CRM_Utils_Array::value('is_search_range', $values),
      );

      // CRM-6681, pass date and time format when html_type = Select Date
      if (CRM_Utils_Array::value('html_type', $values) == 'Select Date') {
        $importableFields[$key]['date_format'] = CRM_Utils_Array::value('date_format', $values);
        $importableFields[$key]['time_format'] = CRM_Utils_Array::value('time_format', $values);
      }
    }

    return $importableFields;
  }

  /**
   * Get the field id from an import key
   *
   * @param string $key       The key to parse
   *
   * @return int|null         The id (if exists)
   * @access public
   * @static
   */
  public static function getKeyID($key, $all = FALSE) {
    $match = array();
    if (preg_match('/^custom_(\d+)_?(-?\d+)?$/', $key, $match)) {
      if (!$all) {
        return $match[1];
      }
      else {
        return array(
          $match[1],
          CRM_Utils_Array::value(2, $match),
        );
      }
    }
    return $all ? array(
      NULL, NULL) : NULL;
  }

  /**
   * Use the cache to get all values of a specific custom field
   *
   * @param int   $fieldID  the custom field ID
   *
   * @return object $field  the field object
   * @static
   * public
   */
  static function getFieldObject($fieldID) {
    $field = new CRM_Core_DAO_CustomField();

    // check if we can get the field values from the system cache
    $cacheKey    = "CRM_Core_DAO_CustomField_{$fieldID}";
    $cache       = CRM_Utils_Cache::singleton();
    $fieldValues = $cache->get($cacheKey);
    if (empty($fieldValues)) {
      $field->id = $fieldID;
      if (!$field->find(TRUE)) {
        CRM_Core_Error::fatal();
      }

      $fieldValues = array();
      CRM_Core_DAO::storeValues($field, $fieldValues);

      $cache->set($cacheKey, $fieldValues);
    }
    else {
      $field->copyValues($fieldValues);
    }

    return $field;
  }

  /**
   * This function for building custom fields
   *
   * @param object  $qf             form object (reference)
   * @param string  $elementName    name of the custom field
   * @param boolean $inactiveNeeded
   * @param boolean $userRequired   true if required else false
   * @param boolean $search         true if used for search else false
   * @param string  $label          label for custom field
   *
   * @access public
   * @static
   */
  public static function addQuickFormElement(&$qf,
    $elementName,
    $fieldId,
    $inactiveNeeded = FALSE,
    $useRequired    = TRUE,
    $search         = FALSE,
    $label          = NULL
  ) {
    // we use $_POST directly, since we dont want to use session memory, CRM-4677
    if (isset($_POST['_qf_Relationship_refresh']) &&
      ($_POST['_qf_Relationship_refresh'] == 'Search' ||
        $_POST['_qf_Relationship_refresh'] == 'Search Again'
      )
    ) {
      $useRequired = FALSE;
    }

    $field = self::getFieldObject($fieldId);

    // Fixed for Issue CRM-2183
    if ($field->html_type == 'TextArea' && $search) {
      $field->html_type = 'Text';
    }

    if (!isset($label)) {
      $label = $field->label;
    }

    /**
     * at some point in time we might want to split the below into small functions
     **/

    switch ($field->html_type) {
      case 'Text':
        if ($field->is_search_range && $search) {
          $qf->add('text', $elementName . '_from', $label . ' ' . ts('From'), $field->attributes);
          $qf->add('text', $elementName . '_to', ts('To'), $field->attributes);
        }
        else {
          $element = &$qf->add(strtolower($field->html_type), $elementName, $label,
            $field->attributes,
            $useRequired && !$search
          );
        }
        break;

      case 'TextArea':
        $attributes = '';
        if ($field->note_rows) {
          $attributes .= 'rows=' . $field->note_rows;
        }
        else {
          $attributes .= 'rows=4';
        }

        if ($field->note_columns) {
          $attributes .= ' cols=' . $field->note_columns;
        }
        else {
          $attributes .= ' cols=60';
        }
        $element = &$qf->add(strtolower($field->html_type),
          $elementName,
          $label,
          $attributes,
          $useRequired && !$search
        );
        break;

      case 'Select Date':
        if ($field->is_search_range && $search) {
          $qf->addDate($elementName . '_from', $label . ' - ' . ts('From'), FALSE,
            array(
              'format' => $field->date_format,
              'timeFormat' => $field->time_format,
              'startOffset' => $field->start_date_years,
              'endOffset' => $field->end_date_years,
            )
          );

          $qf->addDate($elementName . '_to', ts('To'), FALSE,
            array(
              'format' => $field->date_format,
              'timeFormat' => $field->time_format,
              'startOffset' => $field->start_date_years,
              'endOffset' => $field->end_date_years,
            )
          );
        }
        else {
          $required = $useRequired && !$search;

          $qf->addDate($elementName, $label, $required, array(
            'format' => $field->date_format,
              'timeFormat' => $field->time_format,
              'startOffset' => $field->start_date_years,
              'endOffset' => $field->end_date_years,
            ));
        }
        break;

      case 'Radio':
        $choice = array();
        if ($field->data_type != 'Boolean') {
          $customOption = &CRM_Core_BAO_CustomOption::valuesByID($field->id,
            $field->option_group_id
          );
          foreach ($customOption as $v => $l) {
            $choice[] = $qf->createElement('radio', NULL, '', $l, (string)$v, $field->attributes);
          }
          $qf->addGroup($choice, $elementName, $label);
        }
        else {
          $choice[] = $qf->createElement('radio', NULL, '', ts('Yes'), '1', $field->attributes);
          $choice[] = $qf->createElement('radio', NULL, '', ts('No'), '0', $field->attributes);
          $qf->addGroup($choice, $elementName, $label);
        }
        if ($useRequired && !$search) {
          $qf->addRule($elementName, ts('%1 is a required field.', array(1 => $label)), 'required');
        }
        break;

      case 'Select':
        $selectOption = &CRM_Core_BAO_CustomOption::valuesByID($field->id,
          $field->option_group_id
        );
        $qf->add('select', $elementName, $label,
          array(
            '' => ts('- select -')) + $selectOption,
          $useRequired && !$search
        );
        break;

      //added for select multiple

      case 'AdvMulti-Select':
        $selectOption = &CRM_Core_BAO_CustomOption::valuesByID($field->id,
          $field->option_group_id
        );
        if ($search &&
          count($selectOption) > 1
        ) {
          $selectOption['CiviCRM_OP_OR'] = ts('Select to match ANY; unselect to match ALL');
        }

        $include =& $qf->addElement(
          'advmultiselect',
          $elementName,
          $label, $selectOption,
          array(
            'size' => 5,
            'style' => '',
            'class' => 'advmultiselect',
          )
        );

        $include->setButtonAttributes('add', array('value' => ts('Add >>')));
        $include->setButtonAttributes('remove', array('value' => ts('<< Remove')));

        if ($useRequired && !$search) {
          $qf->addRule($elementName, ts('%1 is a required field.', array(1 => $label)), 'required');
        }
        break;

      case 'Multi-Select':
        $selectOption = &CRM_Core_BAO_CustomOption::valuesByID($field->id,
          $field->option_group_id
        );
        if ($search &&
          count($selectOption) > 1
        ) {
          $selectOption['CiviCRM_OP_OR'] = ts('Select to match ANY; unselect to match ALL');
        }
        $qf->addElement('select', $elementName, $label, $selectOption, array('size' => '5', 'multiple'));

        if ($useRequired && !$search) {
          $qf->addRule($elementName, ts('%1 is a required field.', array(1 => $label)), 'required');
        }
        break;

      case 'CheckBox':
        $customOption = CRM_Core_BAO_CustomOption::valuesByID($field->id,
          $field->option_group_id
        );
        $check = array();
        foreach ($customOption as $v => $l) {
          $check[] = &$qf->addElement('advcheckbox', $v, NULL, $l);
        }
        if ($search &&
          count($check) > 1
        ) {
          $check[] = &$qf->addElement('advcheckbox', 'CiviCRM_OP_OR', NULL, ts('Check to match ANY; uncheck to match ALL'));
        }
        $qf->addGroup($check, $elementName, $label);
        if ($useRequired && !$search) {
          $qf->addRule($elementName, ts('%1 is a required field.', array(1 => $label)), 'required');
        }
        break;

      case 'File':
        // we should not build upload file in search mode
        if ($search) {
          return;
        }
        $qf->add(
          strtolower($field->html_type),
          $elementName,
          $label,
          $field->attributes,
          $useRequired && !$search
        );
        $qf->addUploadElement($elementName);
        break;

      case 'Select State/Province':
        //Add State
        $stateOption = array('' => ts('- select -')) + CRM_Core_PseudoConstant::stateProvince();
        $qf->add('select', $elementName, $label, $stateOption,
          $useRequired && !$search
        );
        break;

      case 'Multi-Select State/Province':
        //Add Multi-select State/Province
        $stateOption = CRM_Core_PseudoConstant::stateProvince();

        $qf->addElement('select', $elementName, $label, $stateOption, array('size' => '5', 'multiple'));
        if ($useRequired && !$search) {
          $qf->addRule($elementName, ts('%1 is a required field.', array(1 => $label)), 'required');
        }
        break;

      case 'Select Country':
        //Add Country
        $countryOption = array('' => ts('- select -')) + CRM_Core_PseudoConstant::country();
        $qf->add('select', $elementName, $label, $countryOption,
          $useRequired && !$search
        );
        break;

      case 'Multi-Select Country':
        //Add Country
        $countryOption = CRM_Core_PseudoConstant::country();
        $qf->addElement('select', $elementName, $label, $countryOption, array('size' => '5', 'multiple'));
        if ($useRequired && !$search) {
          $qf->addRule($elementName, ts('%1 is a required field.', array(1 => $label)), 'required');
        }
        break;

      case 'RichTextEditor':
        $qf->addWysiwyg($elementName, $label, array('rows' => $field->note_rows, 'cols' => $field->note_columns), $search);
        break;

      case 'Autocomplete-Select':
        $qf->add('text', $elementName, $label, $field->attributes,
          $useRequired && !$search
        );

        $hiddenEleName = $elementName . '_id';
        if (substr($elementName, -1) == ']') {
          $hiddenEleName = substr($elementName, 0, -1) . '_id]';
        }
        $qf->addElement('hidden', $hiddenEleName, '', array('id' => str_replace(array(']', '['), array('', '_'), $hiddenEleName)));

        static $customUrls = array();
        if ($field->data_type == 'ContactReference') {
          //$urlParams = "className=CRM_Contact_Page_AJAX&fnName=getContactList&json=1&reset=1&context=customfield&id={$field->id}";
          $urlParams = "context=customfield&id={$field->id}";

          $customUrls[$elementName] = CRM_Utils_System::url('civicrm/ajax/contactref',
            $urlParams,
            FALSE, NULL, FALSE
          );

          $actualElementValue = $qf->getSubmitValue($hiddenEleName);
          $qf->addRule($elementName, ts('Select a valid contact for %1.', array(1 => $label)), 'validContact', $actualElementValue);
        }
        else {
          $customUrls[$elementName] = CRM_Utils_System::url('civicrm/ajax/auto',
            "reset=1&ogid={$field->option_group_id}&cfid={$field->id}",
            FALSE, NULL, FALSE
          );
          $qf->addRule($elementName, ts('Select a valid value for %1.', array(1 => $label)),
            'autocomplete', array(
              'fieldID' => $field->id,
              'optionGroupID' => $field->option_group_id,
            )
          );
        }

        $qf->assign('customUrls', $customUrls);
        break;
    }

    switch ($field->data_type) {
      case 'Int':
        // integers will have numeric rule applied to them.
        if ($field->is_search_range && $search) {
          $qf->addRule($elementName . '_from', ts('%1 From must be an integer (whole number).', array(1 => $label)), 'integer');
          $qf->addRule($elementName . '_to', ts('%1 To must be an integer (whole number).', array(1 => $label)), 'integer');
        }
        else {
          $qf->addRule($elementName, ts('%1 must be an integer (whole number).', array(1 => $label)), 'integer');
        }
        break;

      case 'Float':
        if ($field->is_search_range && $search) {
          $qf->addRule($elementName . '_from', ts('%1 From must be a number (with or without decimal point).', array(1 => $label)), 'numeric');
          $qf->addRule($elementName . '_to', ts('%1 To must be a number (with or without decimal point).', array(1 => $label)), 'numeric');
        }
        else {
          $qf->addRule($elementName, ts('%1 must be a number (with or without decimal point).', array(1 => $label)), 'numeric');
        }
        break;

      case 'Money':
        if ($field->is_search_range && $search) {
          $qf->addRule($elementName . '_from', ts('%1 From must in proper money format. (decimal point/comma/space is allowed).', array(1 => $label)), 'money');
          $qf->addRule($elementName . '_to', ts('%1 To must in proper money format. (decimal point/comma/space is allowed).', array(1 => $label)), 'money');
        }
        else {
          $qf->addRule($elementName, ts('%1 must be in proper money format. (decimal point/comma/space is allowed).', array(1 => $label)), 'money');
        }
        break;

      case 'Link':
        $qf->add(
          'text',
          $elementName,
          $label,
          array(
            'onfocus' => "if (!this.value) {  this.value='http://';} else return false",
            'onblur' => "if ( this.value == 'http://') {  this.value='';} else return false",
          ),
          $useRequired && !$search
        );
        $qf->addRule($elementName, ts('Enter a valid Website.'), 'wikiURL');
        break;
    }
    if ($field->is_view && !$search) {
      $qf->freeze($elementName);
    }
  }

  /**
   * Delete the Custom Field.
   *
   * @param   object $field - the field object
   *
   * @return  boolean
   *
   * @access public
   * @static
   *
   */
  public static function deleteField($field) {
    CRM_Utils_System::flushCache();

    // first delete the custom option group and values associated with this field
    if ($field->option_group_id) {
      //check if option group is related to any other field, if
      //not delete the option group and related option values
      self::checkOptionGroup($field->option_group_id);
    }

    // next drop the column from the custom value table
    self::createField($field, 'delete');

    $field->delete();
    CRM_Core_BAO_UFField::delUFField($field->id);
    CRM_Utils_Weight::correctDuplicateWeights('CRM_Core_DAO_CustomField');

    return;
  }

  /**
   * Given a custom field value, its id and the set of options
   * find the display value for this field
   *
   * @param mixed  $value     the custom field value
   * @param int    $id        the custom field id
   * @param int    $options   the assoc array of option name/value pairs
   *
   * @return  string   the display value
   *
   * @static
   * @access public
   */
  static function getDisplayValue($value, $id, &$options, $contactID = NULL, $fieldID = NULL) {
    $option     = &$options[$id];
    $attributes = &$option['attributes'];
    $html_type  = $attributes['html_type'];
    $data_type  = $attributes['data_type'];
    $format     = CRM_Utils_Array::value('format', $attributes);

    return self::getDisplayValueCommon($value,
      $option,
      $html_type,
      $data_type,
      $format,
      $contactID,
      $fieldID
    );
  }

  static function getDisplayValueCommon($value,
    &$option,
    $html_type,
    $data_type,
    $format    = NULL,
    $contactID = NULL,
    $fieldID   = NULL
  ) {
    $display = $value;

    if ($fieldID &&
      (($html_type == 'Radio' && $data_type != 'Boolean') ||
        ($html_type == 'Autocomplete-Select' && $data_type != 'ContactReference') ||
        $html_type == 'Select' ||
        $html_type == 'CheckBox' ||
        $html_type == 'AdvMulti-Select' ||
        $html_type == 'Multi-Select'
      )
    ) {
      CRM_Utils_Hook::customFieldOptions($fieldID, $option);
    }

    switch ($html_type) {
      case 'Radio':
        if ($data_type == 'Boolean') {
          // Do not assume that if not yes means no.
          $display = '';
          if ($value) {
            $display = ts('Yes');
          }
          elseif ($value === '0') {
            $display = ts('No');
          }
        }
        else {
          $display = CRM_Utils_Array::value($value, $option);
        }
        break;

      case 'Autocomplete-Select':
        if ($data_type == 'ContactReference' &&
          $value
        ) {
          $display = CRM_Core_DAO::getFieldValue('CRM_Contact_DAO_Contact', $value, 'display_name');
        }
        else {
          $display = CRM_Utils_Array::value($value, $option);
        }
        break;

      case 'Select':
        $display = CRM_Utils_Array::value($value, $option);
        break;

      case 'CheckBox':
      case 'AdvMulti-Select':
      case 'Multi-Select':
        if (is_array($value)) {
          $checkedData = $value;
        }
        else {
          $checkedData = explode(CRM_Core_DAO::VALUE_SEPARATOR,
            substr($value, 1, -1)
          );
          if ($html_type == 'CheckBox') {
            $newData = array();
            foreach ($checkedData as $v) {
              $newData[$v] = 1;
            }
            $checkedData = $newData;
          }
        }

        $v = array();
        $p = array();
        foreach ($checkedData as $key => $val) {
          if ($key === 'CiviCRM_OP_OR') {
            continue;
          }

          if ($html_type == 'CheckBox') {
            if ($val) {
              $p[] = $key;
              $v[] = CRM_Utils_Array::value($key, $option);
            }
          }
          else {
            $p[] = $val;
            $v[] = CRM_Utils_Array::value($val, $option);
          }
        }
        if (!empty($v)) {
          $display = implode(', ', $v);
        }
        break;

      case 'Select Date':
        if (is_array($value)) {
          foreach ($value as $key => $val) {
            $display[$key] = CRM_Utils_Date::customFormat($val);
          }
        }
        else {
          // remove time element display if time is not set
          if (empty($option['attributes']['time_format'])) {
            $value = substr($value, 0, 10);
          }
          $display = CRM_Utils_Date::customFormat($value);
        }
        break;

      case 'Select State/Province':
        if (empty($value)) {
          $display = '';
        }
        else {
          $display = CRM_Core_PseudoConstant::stateProvince($value);
        }
        break;

      case 'Multi-Select State/Province':
        if (is_array($value)) {
          $checkedData = $value;
        }
        else {
          $checkedData = explode(CRM_Core_DAO::VALUE_SEPARATOR,
            substr($value, 1, -1)
          );
        }

        $states = CRM_Core_PseudoConstant::stateProvince();
        $display = NULL;
        foreach ($checkedData as $stateID) {
          if ($display) {
            $display .= ', ';
          }
          $display .= $states[$stateID];
        }
        break;

      case 'Select Country':
        if (empty($value)) {
          $display = '';
        }
        else {
          $display = CRM_Core_PseudoConstant::country($value);
        }
        break;

      case 'Multi-Select Country':
        if (is_array($value)) {
          $checkedData = $value;
        }
        else {
          $checkedData = explode(CRM_Core_DAO::VALUE_SEPARATOR,
            substr($value, 1, -1)
          );
        }

        $countries = CRM_Core_PseudoConstant::country();
        $display = NULL;
        foreach ($checkedData as $countryID) {
          if ($display) {
            $display .= ', ';
          }
          $display .= $countries[$countryID];
        }
        break;

      case 'File':
        if ($contactID) {
          $url = self::getFileURL($contactID, $fieldID, $value);
          if ($url) {
            $display = $url['file_url'];
          }
        }
        break;

      case 'TextArea':
        if (empty($value)) {
          $display = '';
        }
        else {
          $display = nl2br($value);
        }
        break;

      case 'Link':
        if (empty($value)) {
          $display = '';
        }
        else {
          $display = $value;
        }
    }

    return $display ? $display : $value;
  }

  /**
   * Function to set default values for custom data used in profile
   *
   * @params int    $customFieldId custom field id
   * @params string $elementName   custom field name
   * @params array  $defaults      associated array of fields
   * @params int    $contactId     contact id
   * @param  int    $mode          profile mode
   * @param  mixed  $value         if passed - dont fetch value from db,
   *                               just format the given value
   * @static
   * @access public
   */
  static function setProfileDefaults($customFieldId,
    $elementName,
    &$defaults,
    $contactId = NULL,
    $mode = NULL,
    $value = NULL
  ) {
    //get the type of custom field
    $customField = new CRM_Core_BAO_CustomField();
    $customField->id = $customFieldId;
    $customField->find(TRUE);

    if (!$contactId) {
      if ($mode == CRM_Profile_Form::MODE_CREATE) {
        $value = $customField->default_value;
      }
    }
    else {
      if (!isset($value)) {
        $info   = self::getTableColumnGroup($customFieldId);
        $query  = "SELECT {$info[0]}.{$info[1]} as value FROM {$info[0]} WHERE {$info[0]}.entity_id = {$contactId}";
        $result = CRM_Core_DAO::executeQuery($query);
        if ($result->fetch()) {
          $value = $result->value;
        }
      }

      if ($customField->data_type == 'Country') {
        if (!$value) {
          $config = CRM_Core_Config::singleton();
          if ($config->defaultContactCountry) {
            $value = $config->defaultContactCountry();
          }
        }
      }
    }

    //set defaults if mode is registration
    if (!trim($value) &&
      ($value !== 0) &&
      (!in_array($mode, array(CRM_Profile_Form::MODE_EDIT, CRM_Profile_Form::MODE_SEARCH)))
    ) {
      $value = $customField->default_value;
    }

    if ($customField->data_type == 'Money' && isset($value)) {
      $value = number_format($value, 2);
    }
    switch ($customField->html_type) {
      case 'CheckBox':
      case 'AdvMulti-Select':
      case 'Multi-Select':
        $customOption = CRM_Core_BAO_CustomOption::getCustomOption($customFieldId, FALSE);
        $defaults[$elementName] = array();
        $checkedValue = explode(CRM_Core_DAO::VALUE_SEPARATOR,
          substr($value, 1, -1)
        );
        foreach ($customOption as $val) {
          if (in_array($val['value'], $checkedValue)) {
            if ($customField->html_type == 'CheckBox') {
              $defaults[$elementName][$val['value']] = 1;
            }
            elseif ($customField->html_type == 'Multi-Select' ||
              $customField->html_type == 'AdvMulti-Select'
            ) {
              $defaults[$elementName][$val['value']] = $val['value'];
            }
          }
        }
        break;

      case 'Select Date':
        if ($value) {
          list($defaults[$elementName], $defaults[$elementName . '_time']) = CRM_Utils_Date::setDateDefaults(
            $value,
            NULL,
            $customField->date_format,
            $customField->time_format
          );
        }
        break;

      case 'Autocomplete-Select':
        if ($customField->data_type == 'ContactReference') {
          if (is_numeric($value)) {
            $defaults[$elementName . '_id'] = $value;
            $defaults[$elementName] = CRM_Core_DAO::getFieldValue('CRM_Contact_DAO_Contact', $value, 'sort_name');
          }
        }
        else {
          $label = CRM_Core_BAO_CustomOption::getOptionLabel($customField->id, $value);
          $defaults[$elementName . '_id'] = $value;
          $defaults[$elementName] = $label;
        }
        break;

      default:
        $defaults[$elementName] = $value;
    }
  }

  static function getFileURL($contactID, $cfID, $fileID = NULL, $absolute = FALSE) {
    if ($contactID) {
      if (!$fileID) {
        $params = array('id' => $cfID);
        $defaults = array();
        CRM_Core_DAO::commonRetrieve('CRM_Core_DAO_CustomField', $params, $defaults);
        $columnName = $defaults['column_name'];

        //table name of custom data
        $tableName = CRM_Core_DAO::getFieldValue('CRM_Core_DAO_CustomGroup',
          $defaults['custom_group_id'],
          'table_name', 'id'
        );

        //query to fetch id from civicrm_file
        $query = "SELECT {$columnName} FROM {$tableName} where entity_id = {$contactID}";
        $fileID = CRM_Core_DAO::singleValueQuery($query);
      }

      $result = array();
      if ($fileID) {
        $fileType = CRM_Core_DAO::getFieldValue('CRM_Core_DAO_File',
          $fileID,
          'mime_type',
          'id'
        );
        $result['file_id'] = $fileID;

        if ($fileType == 'image/jpeg' ||
          $fileType == 'image/pjpeg' ||
          $fileType == 'image/gif' ||
          $fileType == 'image/x-png' ||
          $fileType == 'image/png'
        ) {
          $entityId = CRM_Core_DAO::getFieldValue('CRM_Core_DAO_EntityFile',
            $fileID,
            'entity_id',
            'id'
          );
          list($path) = CRM_Core_BAO_File::path($fileID, $entityId, NULL, NULL);
          list($imageWidth, $imageHeight) = getimagesize($path);
          list($imageThumbWidth, $imageThumbHeight) = CRM_Contact_BAO_Contact::getThumbSize($imageWidth, $imageHeight);
          $url = CRM_Utils_System::url('civicrm/file',
            "reset=1&id=$fileID&eid=$contactID",
            $absolute, NULL, TRUE, TRUE
          );
          $result['file_url'] = "<a href='javascript:imagePopUp(\"$url\");'><img src=\"$url\" width=$imageThumbWidth height=$imageThumbHeight/></a>";
          // for non image files
        }
        else {
          $uri = CRM_Core_DAO::getFieldValue('CRM_Core_DAO_File',
            $fileID,
            'uri'
          );
          $url = CRM_Utils_System::url('civicrm/file',
            "reset=1&id=$fileID&eid=$contactID",
            $absolute, NULL, TRUE, TRUE
          );
          $result['file_url'] = "<a href=\"$url\">{$uri}</a>";
        }
      }
      return $result;
    }
  }

  /**
   * Format custom fields before inserting
   *
   * @param int    $customFieldId       custom field id
   * @param array   $customFormatted     formatted array
   * @param mix     $value               value of custom field
   * @param string  $customFieldExtend   custom field extends
   * @param int     $customValueId       custom option value id
   * @param int     $entityId            entity id (contribution, membership...)
   * @param boolean $inline              consider inline custom groups only
   * @param boolean $checkPermission     if false, do not include permissioning clause
   *
   * @return array $customFormatted formatted custom field array
   * @static
   */
  static function formatCustomField($customFieldId, &$customFormatted, $value,
    $customFieldExtend, $customValueId = NULL,
    $entityId = NULL,
    $inline = FALSE,
    $checkPermission = TRUE
  ) {
    //get the custom fields for the entity
    //subtype and basic type
    $customDataSubType = NULL;
    if (in_array($customFieldExtend,
        CRM_Contact_BAO_ContactType::subTypes()
      )) {
      // This is the case when getFieldsForImport() requires fields
      // of subtype and its parent.CRM-5143
      $customDataSubType = $customFieldExtend;
      $customFieldExtend = CRM_Contact_BAO_ContactType::getBasicType($customDataSubType);
    }

    $customFields = CRM_Core_BAO_CustomField::getFields($customFieldExtend,
      FALSE,
      $inline,
      $customDataSubType,
      NULL,
      FALSE,
      FALSE,
      $checkPermission
    );

    if (!array_key_exists($customFieldId, $customFields)) {
      return;
    }

    // return if field is a 'code' field
    if (CRM_Utils_Array::value('is_view', $customFields[$customFieldId])) {
      return;
    }

    list($tableName, $columnName, $groupID) = self::getTableColumnGroup($customFieldId);

    if (is_array($customFieldExtend)) {
      $customFieldExtend = $customFieldExtend[0];
    }
    if (!$customValueId &&
      // we always create new entites for is_multiple unless specified
      !$customFields[$customFieldId]['is_multiple'] &&
      $entityId
    ) {
      $query = "
SELECT id
  FROM $tableName
 WHERE entity_id={$entityId}";

      $customValueId = CRM_Core_DAO::singleValueQuery($query);
    }

    //fix checkbox, now check box always submits values
    if ($customFields[$customFieldId]['html_type'] == 'CheckBox') {
      if ($value) {
        // Note that only during merge this is not an array, and you can directly use value
        if (is_array($value)) {
          $selectedValues = array();
          foreach ($value as $selId => $val) {
            if ($val) {
              $selectedValues[] = $selId;
            }
          }
          if (!empty($selectedValues)) {
            $value = CRM_Core_DAO::VALUE_SEPARATOR . implode(CRM_Core_DAO::VALUE_SEPARATOR,
              $selectedValues
            ) . CRM_Core_DAO::VALUE_SEPARATOR;
          }
          else {
            $value = '';
          }
        }
      }
    }

    if ($customFields[$customFieldId]['html_type'] == 'Multi-Select' ||
      $customFields[$customFieldId]['html_type'] == 'AdvMulti-Select'
    ) {
      if ($value) {
        // Note that only during merge this is not an array,
        // and you can directly use value, CRM-4385
        if (is_array($value)) {
          $value = CRM_Core_DAO::VALUE_SEPARATOR . implode(CRM_Core_DAO::VALUE_SEPARATOR,
            array_values($value)
          ) . CRM_Core_DAO::VALUE_SEPARATOR;
        }
      }
      else {
        $value = '';
      }
    }

    if (($customFields[$customFieldId]['html_type'] == 'Multi-Select' ||
        $customFields[$customFieldId]['html_type'] == 'AdvMulti-Select' ||
        $customFields[$customFieldId]['html_type'] == 'CheckBox'
      ) &&
      $customFields[$customFieldId]['data_type'] == 'String' &&
      !empty($customFields[$customFieldId]['text_length']) &&
      !empty($value)
    ) {
      // lets make sure that value is less than the length, else we'll
      // be losing some data, CRM-7481
      if (strlen($value) >= $customFields[$customFieldId]['text_length']) {
        // need to do a few things here

        // 1. lets find a new length
        $newLength = $customFields[$customFieldId]['text_length'];
        $minLength = strlen($value);
        while ($newLength < $minLength) {
          $newLength = $newLength * 2;
        }

        // set the custom field meta data to have a length larger than value
        // alter the custom value table column to match this length
        CRM_Core_BAO_SchemaHandler::alterFieldLength($customFieldId, $tableName, $columnName, $newLength);
      }
    }

    $date = NULL;
    if ($customFields[$customFieldId]['data_type'] == 'Date') {
      if (!CRM_Utils_System::isNull($value)) {
        $format = $customFields[$customFieldId]['date_format'];
        $date = CRM_Utils_Date::processDate($value, NULL, FALSE, 'YmdHis', $format);
      }
      $value = $date;
    }

    if ($customFields[$customFieldId]['data_type'] == 'Float' ||
      $customFields[$customFieldId]['data_type'] == 'Money'
    ) {
      if (!$value) {
        $value = 0;
      }

      if ($customFields[$customFieldId]['data_type'] == 'Money') {
        $value = CRM_Utils_Rule::cleanMoney($value);
      }
    }

    if (($customFields[$customFieldId]['data_type'] == 'StateProvince' ||
        $customFields[$customFieldId]['data_type'] == 'Country'
      ) &&
      empty($value)
    ) {
      // CRM-3415
      $value = 0;
    }

    $fileId = NULL;

    if ($customFields[$customFieldId]['data_type'] == 'File') {
      if (empty($value)) {
        return;
      }

      $config = CRM_Core_Config::singleton();

      $fName = $value['name'];
      $mimeType = $value['type'];

      $filename = pathinfo($fName, PATHINFO_BASENAME);

      // rename this file to go into the secure directory
      if (!rename($fName, $config->customFileUploadDir . $filename)) {
        CRM_Core_Error::statusBounce(ts('Could not move custom file to custom upload directory'));
        break;
      }

      if ($customValueId) {
        $query = "
SELECT $columnName
  FROM $tableName
 WHERE id = %1";
        $params = array(1 => array($customValueId, 'Integer'));
        $fileId = CRM_Core_DAO::singleValueQuery($query, $params);
      }

      $fileDAO = new CRM_Core_DAO_File();

      if ($fileId) {
        $fileDAO->id = $fileId;
      }

      $fileDAO->uri = $filename;
      $fileDAO->mime_type = $mimeType;
      $fileDAO->upload_date = date('Ymdhis');
      $fileDAO->save();
      $fileId = $fileDAO->id;
      $value = $filename;
    }

    if (!is_array($customFormatted)) {
      $customFormatted = array();
    }

    if (!array_key_exists($customFieldId, $customFormatted)) {
      $customFormatted[$customFieldId] = array();
    }

    $index = -1;
    if ($customValueId) {
      $index = $customValueId;
    }

    if (!array_key_exists($index, $customFormatted[$customFieldId])) {
      $customFormatted[$customFieldId][$index] = array();
    }
    $customFormatted[$customFieldId][$index] = array(
      'id' => $customValueId > 0 ? $customValueId : NULL,
      'value' => $value,
      'type' => $customFields[$customFieldId]['data_type'],
      'custom_field_id' => $customFieldId,
      'custom_group_id' => $groupID,
      'table_name' => $tableName,
      'column_name' => $columnName,
      'file_id' => $fileId,
      'is_multiple' => $customFields[$customFieldId]['is_multiple'],
    );

    //we need to sort so that custom fields are created in the order of entry
    krsort($customFormatted[$customFieldId]);
    return $customFormatted;
  }

  static function &defaultCustomTableSchema(&$params) {
    // add the id and extends_id
    $table = array(
      'name' => $params['name'],
      'is_multiple' => $params['is_multiple'],
      'attributes' => "ENGINE=InnoDB DEFAULT CHARACTER SET utf8 COLLATE utf8_unicode_ci",
      'fields' => array(
        array(
          'name' => 'id',
          'type' => 'int unsigned',
          'primary' => TRUE,
          'required' => TRUE,
          'attributes' => 'AUTO_INCREMENT',
          'comment' => 'Default MySQL primary key',
        ),
        array(
          'name' => 'entity_id',
          'type' => 'int unsigned',
          'required' => TRUE,
          'comment' => 'Table that this extends',
          'fk_table_name' => $params['extends_name'],
          'fk_field_name' => 'id',
          'fk_attributes' => 'ON DELETE CASCADE',
        ),
      ),
    );

    if (!$params['is_multiple']) {
      $table['indexes'] = array(
        array(
          'unique' => TRUE,
          'field_name_1' => 'entity_id',
        ),
      );
    }
    return $table;
  }

  static function createField($field, $operation, $indexExist = FALSE, $triggerRebuild = TRUE) {
    $tableName = CRM_Core_DAO::getFieldValue(
      'CRM_Core_DAO_CustomGroup',
      $field->custom_group_id,
      'table_name'
    );

    $params = array(
      'table_name' => $tableName,
      'operation' => $operation,
      'name' => $field->column_name,
      'type' => CRM_Core_BAO_CustomValueTable::fieldToSQLType(
        $field->data_type,
        $field->text_length
      ),
      'required' => $field->is_required,
      'searchable' => $field->is_searchable,
    );

    if ($operation == 'delete') {
      $fkName = "{$tableName}_{$field->column_name}";
      if (strlen($fkName) >= 48) {
        $fkName = substr($fkName, 0, 32) . '_' . substr(md5($fkName), 0, 16);
      }
      $params['fkName'] = $fkName;
    }
    if ($field->data_type == 'Country' && $field->html_type == 'Select Country') {
      $params['fk_table_name'] = 'civicrm_country';
      $params['fk_field_name'] = 'id';
      $params['fk_attributes'] = 'ON DELETE SET NULL';
    }
    elseif ($field->data_type == 'Country' && $field->html_type == 'Multi-Select Country') {
      $params['type'] = 'varchar(255)';
    }
    elseif ($field->data_type == 'StateProvince' && $field->html_type == 'Select State/Province') {
      $params['fk_table_name'] = 'civicrm_state_province';
      $params['fk_field_name'] = 'id';
      $params['fk_attributes'] = 'ON DELETE SET NULL';
    }
    elseif ($field->data_type == 'StateProvince' && $field->html_type == 'Multi-Select State/Province') {
      $params['type'] = 'varchar(255)';
    }
    elseif ($field->data_type == 'File') {
      $params['fk_table_name'] = 'civicrm_file';
      $params['fk_field_name'] = 'id';
      $params['fk_attributes'] = 'ON DELETE SET NULL';
    }
    elseif ($field->data_type == 'ContactReference') {
      $params['fk_table_name'] = 'civicrm_contact';
      $params['fk_field_name'] = 'id';
      $params['fk_attributes'] = 'ON DELETE SET NULL';
    }
    if ($field->default_value) {
      $params['default'] = "'{$field->default_value}'";
    }

    CRM_Core_BAO_SchemaHandler::alterFieldSQL($params, $indexExist, $triggerRebuild);
  }

  /**
   * Determine whether it would be safe to move a field
   *
   * @param int $fieldID FK to civicrm_custom_field
   * @param int $newGroupID FK to civicrm_custom_group
   *
   * @return array(
     string) or TRUE
   */
  static function _moveFieldValidate($fieldID, $newGroupID) {
    $errors = array();

    $field = new CRM_Core_DAO_CustomField();
    $field->id = $fieldID;
    if (!$field->find(TRUE)) {
      $errors['fieldID'] = 'Invalid ID for custom field';
      return $errors;
    }

    $oldGroup = new CRM_Core_DAO_CustomGroup();
    $oldGroup->id = $field->custom_group_id;
    if (!$oldGroup->find(TRUE)) {
      $errors['fieldID'] = 'Invalid ID for old custom group';
      return $errors;
    }

    $newGroup = new CRM_Core_DAO_CustomGroup();
    $newGroup->id = $newGroupID;
    if (!$newGroup->find(TRUE)) {
      $errors['newGroupID'] = 'Invalid ID for new custom group';
      return $errors;
    }

    $query = "
SELECT     b.id
FROM       civicrm_custom_field a
INNER JOIN civicrm_custom_field b
WHERE      a.id = %1
AND        a.label = b.label
AND        b.custom_group_id = %2
";
    $params = array(
      1 => array($field->id, 'Integer'),
      2 => array($newGroup->id, 'Integer'),
    );
    $count = CRM_Core_DAO::singleValueQuery($query, $params);
    if ($count > 0) {
      $errors['newGroupID'] = ts('A field of the same label exists in the destination group');
    }

    $tableName = $oldGroup->table_name;
    $columnName = $field->column_name;

    $query = "
SELECT count(*)
FROM   $tableName
WHERE  $columnName is not null
";
    $count = CRM_Core_DAO::singleValueQuery($query,
      CRM_Core_DAO::$_nullArray
    );
    if ($count > 0) {
      $query = "
SELECT extends
FROM   civicrm_custom_group
WHERE  id IN ( %1, %2 )
";
      $params = array(1 => array($oldGroup->id, 'Integer'),
        2 => array($newGroup->id, 'Integer'),
      );

      $dao = CRM_Core_DAO::executeQuery($query, $params);
      $extends = array();
      while ($dao->fetch()) {
        $extends[] = $dao->extends;
      }
      if ($extends[0] != $extends[1]) {
        $errors['newGroupID'] = ts('The destination group extends a different entity type.');
      }
    }

    return empty($errors) ? TRUE : $errors;
  }

  /**
   * Move a custom data field from one group (table) to another
   *
   * @param int $fieldID FK to civicrm_custom_field
   * @param int $newGroupID FK to civicrm_custom_group
   *
   * @return void
   */
  static function moveField($fieldID, $newGroupID) {
    $validation = self::_moveFieldValidate($fieldID, $newGroupID);
    if (TRUE !== $validation) {
      CRM_Core_Error::fatal(implode(' ', $validation));
    }
    $field = new CRM_Core_DAO_CustomField();
    $field->id = $fieldID;
    $field->find(TRUE);

    $newGroup = new CRM_Core_DAO_CustomGroup();
    $newGroup->id = $newGroupID;
    $newGroup->find(TRUE);

    $oldGroup = new CRM_Core_DAO_CustomGroup();
    $oldGroup->id = $field->custom_group_id;
    $oldGroup->find(TRUE);

    $add = clone$field;
    $add->custom_group_id = $newGroup->id;
    self::createField($add, 'add');

    $sql = "INSERT INTO {$newGroup->table_name} (entity_id, {$field->column_name})
            SELECT entity_id, {$field->column_name} FROM {$oldGroup->table_name}
            ON DUPLICATE KEY UPDATE {$field->column_name} = {$oldGroup->table_name}.{$field->column_name}
            ";
    CRM_Core_DAO::executeQuery($sql);

    $del = clone$field;
    $del->custom_group_id = $oldGroup->id;
    self::createField($del, 'delete');

    $add->save();

    CRM_Utils_System::flushCache();
  }

  /**
   * Get the database table name and column name for a custom field
   *
   * @param int     $fieldID - the fieldID of the custom field
   * @param boolean $force   - force the sql to be run again (primarily used for tests)
   *
   * @return array           - fatal is fieldID does not exists, else array of tableName, columnName
   * @static
   * @public
   */
  static function getTableColumnGroup($fieldID, $force = FALSE) {
    $cacheKey    = "CRM_Core_DAO_CustomField_CustomGroup_TableColumn_{$fieldID}";
    $cache       = CRM_Utils_Cache::singleton();
    $fieldValues = $cache->get($cacheKey);
    if (empty($fieldValues) || $force) {
      $query = "
SELECT cg.table_name, cf.column_name, cg.id
FROM   civicrm_custom_group cg,
       civicrm_custom_field cf
WHERE  cf.custom_group_id = cg.id
AND    cf.id = %1";
      $params = array(1 => array($fieldID, 'Integer'));
      $dao = CRM_Core_DAO::executeQuery($query, $params);

      if (!$dao->fetch()) {
        CRM_Core_Error::fatal();
      }
      $dao->free();
      $fieldValues = array($dao->table_name, $dao->column_name, $dao->id);
      $cache->set($cacheKey, $fieldValues);
    }
    return $fieldValues;
  }

  /**
   * Function to get custom option groups
   *
   * @params array $includeFieldIds ids of custom fields for which
   * option groups must be included.
   *
   * Currently this is required in the cases where option groups are to be included
   * for inactive fields : CRM-5369
   *
   * @access public
   *
   * @return $customOptionGroup
   * @static
   */
  public static function &customOptionGroup($includeFieldIds = NULL) {
    static $customOptionGroup = NULL;

    $cacheKey = (empty($includeFieldIds)) ? 'onlyActive' : 'force';
    if ($cacheKey == 'force') {
      $customOptionGroup[$cacheKey] = NULL;
    }

    if (!CRM_Utils_Array::value($cacheKey, $customOptionGroup)) {
      $whereClause = '( g.is_active = 1 AND f.is_active = 1 )';

      //support for single as well as array format.
      if (!empty($includeFieldIds)) {
        if (is_array($includeFieldIds)) {
          $includeFieldIds = implode(',', $includeFieldIds);
        }
        $whereClause .= "OR f.id IN ( $includeFieldIds )";
      }

      $query = "
    SELECT  g.id, g.title
      FROM  civicrm_option_group g
INNER JOIN  civicrm_custom_field f ON ( g.id = f.option_group_id )
     WHERE  {$whereClause}";

      $dao = CRM_Core_DAO::executeQuery($query);
      while ($dao->fetch()) {
        $customOptionGroup[$cacheKey][$dao->id] = $dao->title;
      }
    }

    return $customOptionGroup[$cacheKey];
  }

  /**
   * Function to fix orphan groups
   *
   * @params int $customFieldId custom field id
   * @params int $optionGroupId option group id
   *
   * @access public
   *
   * @return void
   * @static
   */
  static function fixOptionGroups($customFieldId, $optionGroupId) {
    // check if option group belongs to any custom Field else delete
    // get the current option group
    $currentOptionGroupId = CRM_Core_DAO::getFieldValue('CRM_Core_DAO_CustomField',
      $customFieldId,
      'option_group_id'
    );
    // get the updated option group
    // if both are same return
    if ($currentOptionGroupId == $optionGroupId) {
      return;
    }

    // check if option group is related to any other field
    self::checkOptionGroup($currentOptionGroupId);
  }

  /**
   * Function to check if option group is related to more than one
   * custom field
   *
   * @params int $optionGroupId option group id
   *
   * @return
   * @static
   */
  static function checkOptionGroup($optionGroupId) {
    $query = "
SELECT count(*)
FROM   civicrm_custom_field
WHERE  option_group_id = {$optionGroupId}";

    $count = CRM_Core_DAO::singleValueQuery($query);

    if ($count < 2) {
      //delete the option group
      CRM_Core_BAO_OptionGroup::del($optionGroupId);
    }
  }

  static function getOptionGroupDefault($optionGroupId, $htmlType) {
    $query = "
SELECT   default_value, html_type
FROM     civicrm_custom_field
WHERE    option_group_id = {$optionGroupId}
AND      default_value IS NOT NULL
ORDER BY html_type";

    $dao             = CRM_Core_DAO::executeQuery($query);
    $defaultValue    = NULL;
    $defaultHTMLType = NULL;
    while ($dao->fetch()) {
      if ($dao->html_type == $htmlType) {
        return $dao->default_value;
      }
      if ($defaultValue == NULL) {
        $defaultValue = $dao->default_value;
        $defaultHTMLType = $dao->html_type;
      }
    }

    // some conversions are needed if either the old or new has a html type which has potential
    // multiple default values.
    if (($htmlType == 'CheckBox' || $htmlType == 'Multi-Select') &&
      ($defaultHTMLType != 'CheckBox' && $defaultHTMLType != 'Multi-Select')
    ) {
      $defaultValue = CRM_Core_DAO::VALUE_SEPARATOR . $defaultValue . CRM_Core_DAO::VALUE_SEPARATOR;
    }
    elseif (($defaultHTMLType == 'CheckBox' || $defaultHTMLType == 'Multi-Select') &&
      ($htmlType != 'CheckBox' && $htmlType != 'Multi-Select')
    ) {
      $defaultValue = substr($defaultValue, 1, -1);
      $values = explode(CRM_Core_DAO::VALUE_SEPARATOR,
        substr($defaultValue, 1, -1)
      );
      $defaultValue = $values[0];
    }

    return $defaultValue;
  }

  static function postProcess(&$params,
    &$customFields,
    $entityID,
    $customFieldExtends,
    $inline = FALSE
  ) {
    $customData = array();

    foreach ($params as $key => $value) {
      if ($customFieldInfo = CRM_Core_BAO_CustomField::getKeyID($key, TRUE)) {

        // for autocomplete transfer hidden value instead of label
        if ($params[$key] && isset($params[$key . '_id'])) {
          $value = $params[$key . '_id'];
        }

        // we need to append time with date
        if ($params[$key] && isset($params[$key . '_time'])) {
          $value .= ' ' . $params[$key . '_time'];
        }

        CRM_Core_BAO_CustomField::formatCustomField($customFieldInfo[0],
          $customData,
          $value,
          $customFieldExtends,
          $customFieldInfo[1],
          $entityID,
          $inline
        );
      }
    }
    return $customData;
  }

  static function buildOption($field, &$options) {
    $options['attributes'] = array(
      'label' => $field['label'],
      'data_type' => $field['data_type'],
      'html_type' => $field['html_type'],
    );

    $optionGroupID = NULL;
    if (($field['html_type'] == 'CheckBox' ||
        $field['html_type'] == 'Radio' ||
        $field['html_type'] == 'Select' ||
        $field['html_type'] == 'AdvMulti-Select' ||
        $field['html_type'] == 'Multi-Select' ||
        ($field['html_type'] == 'Autocomplete-Select' && $field['data_type'] != 'ContactReference')
      )) {
      if ($field['option_group_id']) {
        $optionGroupID = $field['option_group_id'];
      }
      elseif ($field['data_type'] != 'Boolean') {
        CRM_Core_Error::fatal();
      }
    }

    // build the cache for custom values with options (label => value)
    if ($optionGroupID != NULL) {
      $query = "
SELECT label, value
  FROM civicrm_option_value
 WHERE option_group_id = $optionGroupID
";

      $dao = CRM_Core_DAO::executeQuery($query);
      while ($dao->fetch()) {
        if ($field['data_type'] == 'Int' || $field['data_type'] == 'Float') {
          $num = round($dao->value, 2);
          $options["$num"] = $dao->label;
        }
        else {
          $options[$dao->value] = $dao->label;
        }
      }

      CRM_Utils_Hook::customFieldOptions($field['id'], $options);
    }
  }

  static function getCustomFieldID($fieldLabel, $groupTitle = NULL) {
    $params = array(1 => array($fieldLabel, 'String'));
    if ($groupTitle) {
      $params[2] = array($groupTitle, 'String');
      $sql = "
SELECT     f.id
FROM       civicrm_custom_field f
INNER JOIN civicrm_custom_group g ON f.custom_group_id = g.id
WHERE      ( f.label = %1 OR f.name  = %1 )
AND        ( g.title = %2 OR g.name = %2 )
";
    }
    else {
      $sql = "
SELECT     f.id
FROM       civicrm_custom_field f
WHERE      ( f.label = %1 OR f.name = %1 )
";
    }

    $dao = CRM_Core_DAO::executeQuery($sql, $params);
    if ($dao->fetch() &&
      $dao->N == 1
    ) {
      return $dao->id;
    }
    else {
      return NULL;
    }
  }

  /**
   * Given ID of a custom field, return its name as well as the name of the custom group it belongs to.
   *
   */
  static function getNameFromID($ids) {
    if (is_array($ids)) {
      $ids = implode(',', $ids);
    }
    $sql = "
SELECT     f.id, f.name AS field_name, f.label AS field_label, g.name AS group_name, g.title AS group_title
FROM       civicrm_custom_field f
INNER JOIN civicrm_custom_group g ON f.custom_group_id = g.id
WHERE      f.id IN ($ids)";


    $dao = CRM_Core_DAO::executeQuery($sql);
    $result = array();
    while ($dao->fetch()) {
      $result[$dao->id] = array(
        'field_name' => $dao->field_name,
        'field_label' => $dao->field_label,
        'group_name' => $dao->group_name,
        'group_title' => $dao->group_title,
      );
    }
    return $result;
  }

  /**
   * Validate custom data.
   *
   * @param array $params custom data submitted.
   * ie array( 'custom_1' => 'validate me' );
   *
   * @return array $errors validation errors.
   * @static
   */
  static function validateCustomData($params) {
    $errors = array();
    if (!is_array($params) || empty($params)) {
      return $errors;
    }


    //pick up profile fields.
    $profileFields = array();
    $ufGroupId = CRM_Utils_Array::value('ufGroupId', $params);
    if ($ufGroupId) {
      $profileFields = CRM_Core_BAO_UFGroup::getFields($ufGroupId,
        FALSE,
        CRM_Core_Action::VIEW
      );
    }

    //lets start w/ params.
    foreach ($params as $key => $value) {
      $customFieldID = self::getKeyID($key);
      if (!$customFieldID) {
        continue;
      }

      //load the structural info for given field.
      $field = new CRM_Core_DAO_CustomField();
      $field->id = $customFieldID;
      if (!$field->find(TRUE)) {
        continue;
      }
      $dataType = $field->data_type;

      $profileField = CRM_Utils_Array::value($key, $profileFields, array());
      $fieldTitle   = CRM_Utils_Array::value('title', $profileField);
      $isRequired   = CRM_Utils_Array::value('is_required', $profileField);
      if (!$fieldTitle) {
        $fieldTitle = $field->label;
      }

      //no need to validate.
      if (CRM_Utils_System::isNull($value) && !$isRequired) {
        continue;
      }

      //lets validate first for required field.
      if ($isRequired && CRM_Utils_System::isNull($value)) {
        $errors[$key] = ts('%1 is a required field.', array(1 => $fieldTitle));
        continue;
      }

      //now time to take care of custom field form rules.
      $ruleName = $errorMsg = NULL;
      switch ($dataType) {
        case 'Int':
          $ruleName = 'integer';
          $errorMsg = ts('%1 must be an integer (whole number).',
            array(1 => $fieldTitle)
          );
          break;

        case 'Money':
          $ruleName = 'money';
          $errorMsg = ts('%1 must in proper money format. (decimal point/comma/space is allowed).',
            array(1 => $fieldTitle)
          );
          break;

        case 'Float':
          $ruleName = 'numeric';
          $errorMsg = ts('%1 must be a number (with or without decimal point).',
            array(1 => $fieldTitle)
          );
          break;

        case 'Link':
          $ruleName = 'wikiURL';
          $errorMsg = ts('%1 must be valid Website.',
            array(1 => $fieldTitle)
          );
          break;
      }

      if ($ruleName && !CRM_Utils_System::isNull($value)) {
        $valid = FALSE;
        $funName = "CRM_Utils_Rule::{$ruleName}";
        if (is_callable($funName)) {
          $valid = call_user_func($funName, $value);
        }
        if (!$valid) {
          $errors[$key] = $errorMsg;
        }
      }
    }

    return $errors;
  }

  static function isMultiRecordField($customId) {
    $isMultipleWithGid = FALSE;
    if (!is_numeric($customId)) {
      $customId = self::getKeyID($customId);
    }
    if (is_numeric($customId)) {
      $sql = "SELECT cg.id cgId
 FROM civicrm_custom_group cg
 INNER JOIN civicrm_custom_field cf
 ON cg.id = cf.custom_group_id
WHERE cf.id = %1 AND cg.is_multiple = 1";
      $params[1] = array($customId, 'Integer');
      $dao = CRM_Core_DAO::executeQuery($sql, $params);
      if ($dao->fetch()) {
        if ($dao->cgId) {
          $isMultipleWithGid = $dao->cgId;
        }
      }
    }

    return $isMultipleWithGid;
  }
}