/**
  * This function returns the HtmlElements to display for 1:n relations
  *
  * @todo this only works with single valued identifiers
  * @param array $assocMapping Mapping information for this relation
  * @param string $entityClass FQCN of the foreign entity
  * @param int $entityId ID of the local entity
  * @return array Set of \Cx\Core\Html\Model\Entity\HtmlElement instances
  */
 protected function getIdentifyingDisplayValue($assocMapping, $entityClass, $entityId)
 {
     global $_CORELANG;
     $localEntityMetadata = \Env::get('em')->getClassMetadata($this->entityClass);
     $localEntityIdentifierField = $localEntityMetadata->getSingleIdentifierFieldName();
     $localEntityRepo = \Env::get('em')->getRepository($this->entityClass);
     $localEntity = $localEntityRepo->find($entityId);
     if (!$localEntity) {
         throw new \Exception('Entity not found');
     }
     $foreignEntityGetter = 'get' . preg_replace('/_([a-z])/', '\\1', ucfirst($assocMapping["fieldName"]));
     $foreignEntities = $localEntity->{$foreignEntityGetter}();
     $htmlElements = array();
     foreach ($foreignEntities as $index => $foreignEntity) {
         // entity base implements __toString()
         $displayValue = (string) $foreignEntity;
         $foreignEntityMetadata = \Env::get('em')->getClassMetadata(get_class($foreignEntity));
         $foreignEntityIdentifierField = $foreignEntityMetadata->getSingleIdentifierFieldName();
         $entityValueSerialized = 'vg_increment_number=' . $this->formId;
         $fieldsToParse = $foreignEntityMetadata->fieldNames;
         foreach ($fieldsToParse as $dbColName => $fieldName) {
             $entityValueSerialized .= '&' . $fieldName . '=' . $this->getDataElementValueAsString($foreignEntityMetadata->getFieldValue($foreignEntity, $fieldName));
         }
         // add relations
         foreach ($foreignEntityMetadata->associationMappings as $foreignAssocMapping) {
             if (!$foreignAssocMapping['isOwningSide']) {
                 continue;
             }
             $joinColumns = reset($foreignAssocMapping['joinColumns']);
             // if the association is a backreference to our main entity we skip it
             if ($foreignAssocMapping['targetEntity'] == $this->entityClass && $joinColumns['referencedColumnName'] == $localEntityIdentifierField) {
                 continue;
             }
             $foreignForeignEntity = $foreignEntityMetadata->getFieldValue($foreignEntity, $foreignAssocMapping['fieldName']);
             if (!$foreignForeignEntity) {
                 continue;
             }
             $foreignEntityIdentifierGetter = 'get' . preg_replace('/_([a-z])/', '\\1', ucfirst($foreignEntityIdentifierField));
             $entityValueSerialized .= '&' . $foreignAssocMapping['fieldName'] . '=' . $foreignForeignEntity->{$foreignEntityIdentifierGetter}();
         }
         $sorroundingDiv = new \Cx\Core\Html\Model\Entity\HtmlElement('div');
         $sorroundingDiv->setAttribute('class', 'oneToManyEntryRow');
         $displaySpan = new \Cx\Core\Html\Model\Entity\HtmlElement('span');
         $displaySpan->addChild(new \Cx\Core\Html\Model\Entity\TextElement($displayValue));
         $displaySpan->allowDirectClose(false);
         $hiddenInput = new \Cx\Core\Html\Model\Entity\DataElement('input');
         $hiddenInput->setAttributes(array('type' => 'hidden', 'name' => $this->createCssClassNameFromEntity($entityClass) . '[]', 'value' => $entityValueSerialized));
         $editLink = new \Cx\Core\Html\Model\Entity\HtmlElement('a');
         $editLink->setAttributes(array('class' => 'edit', 'title' => $_CORELANG['TXT_EDIT']));
         $editLink->allowDirectClose(false);
         $deleteLink = new \Cx\Core\Html\Model\Entity\HtmlElement('a');
         $deleteLink->setAttributes(array('onclick' => 'deleteAssociationMappingEntry(this)', 'class' => 'remove existing', 'title' => $_CORELANG['TXT_DELETE']));
         $deleteLink->allowDirectClose(false);
         $sorroundingDiv->addChild($displaySpan);
         $sorroundingDiv->addChild($hiddenInput);
         $sorroundingDiv->addChild($editLink);
         $sorroundingDiv->addChild($deleteLink);
         $htmlElements[] = $sorroundingDiv;
     }
     return $htmlElements;
 }
    public function getDataElement($name, $type, $length, $value, $options)
    {
        global $_ARRAYLANG;
        if (isset($options['formfield']) && is_callable($options['formfield'])) {
            $formFieldGenerator = $options['formfield'];
            $formField = $formFieldGenerator($name, $type, $length, $value, $options);
            if (is_a($formField, 'Cx\\Core\\Html\\Model\\Entity\\HtmlElement')) {
                return $formField;
            } else {
                $value = $formField;
            }
        }
        if (isset($options['showDetail']) && $options['showDetail'] === false) {
            return '';
        }
        switch ($type) {
            case 'bool':
            case 'boolean':
                // yes/no checkboxes
                $fieldset = new \Cx\Core\Html\Model\Entity\HtmlElement('div');
                $inputYes = new \Cx\Core\Html\Model\Entity\DataElement($name, 'yes');
                $inputYes->setAttribute('type', 'radio');
                $inputYes->setAttribute('value', '1');
                $inputYes->setAttribute('id', 'form-' . $this->formId . '-' . $name . '_yes');
                if (isset($options['attributes'])) {
                    $inputYes->setAttributes($options['attributes']);
                }
                $fieldset->addChild($inputYes);
                $labelYes = new \Cx\Core\Html\Model\Entity\HtmlElement('label');
                $labelYes->setAttribute('for', 'form-' . $this->formId . '-' . $name . '_yes');
                $labelYes->addChild(new \Cx\Core\Html\Model\Entity\TextElement($_ARRAYLANG['TXT_YES']));
                $fieldset->addChild($labelYes);
                $inputNo = new \Cx\Core\Html\Model\Entity\DataElement($name, 'no');
                $inputNo->setAttribute('id', 'form-' . $this->formId . '-' . $name . '_no');
                $inputNo->setAttribute('type', 'radio');
                $inputNo->setAttribute('value', '0');
                if (isset($options['attributes'])) {
                    $inputNo->setAttributes($options['attributes']);
                }
                $fieldset->addChild($inputNo);
                $labelNo = new \Cx\Core\Html\Model\Entity\HtmlElement('label');
                $labelNo->setAttribute('for', 'form-' . $this->formId . '-' . $name . '_no');
                $labelNo->addChild(new \Cx\Core\Html\Model\Entity\TextElement($_ARRAYLANG['TXT_NO']));
                $fieldset->addChild($labelNo);
                if ($value) {
                    $inputYes->setAttribute('checked');
                } else {
                    $inputNo->setAttribute('checked');
                }
                return $fieldset;
                break;
            case 'int':
            case 'integer':
                // input field with type number
                $inputNumber = new \Cx\Core\Html\Model\Entity\DataElement($name, $value, \Cx\Core\Html\Model\Entity\DataElement::TYPE_INPUT, new \Cx\Core\Validate\Model\Entity\RegexValidator('/-?[0-9]*/'));
                if (isset($options['attributes'])) {
                    $inputNumber->setAttributes($options['attributes']);
                }
                $inputNumber->setAttribute('type', 'number');
                return $inputNumber;
                break;
            case 'Cx\\Model\\Base\\EntityBase':
                $entityClass = get_class($value);
                $entities = \Env::get('em')->getRepository($entityClass)->findAll();
                $foreignMetaData = \Env::get('em')->getClassMetadata($entityClass);
                $primaryKeyName = $foreignMetaData->getSingleIdentifierFieldName();
                $selected = $foreignMetaData->getFieldValue($value, $primaryKeyName);
                $arrEntities = array();
                $closeMetaData = \Env::get('em')->getClassMetadata($this->entityClass);
                $assocMapping = $closeMetaData->getAssociationMapping($name);
                if (!isset($assocMapping['joinColumns'][0]['nullable']) || $assocMapping['joinColumns'][0]['nullable']) {
                    $arrEntities['NULL'] = $_ARRAYLANG['TXT_CORE_NONE'];
                }
                foreach ($entities as $entity) {
                    $arrEntities[\Env::get('em')->getClassMetadata($entityClass)->getFieldValue($entity, $primaryKeyName)] = $entity;
                }
                $select = new \Cx\Core\Html\Model\Entity\DataElement($name, \Html::getOptions($arrEntities, $selected), \Cx\Core\Html\Model\Entity\DataElement::TYPE_SELECT);
                if (isset($options['attributes'])) {
                    $select->setAttributes($options['attributes']);
                }
                return $select;
                break;
            case 'Country':
                // this is for customizing only:
                $data = \Cx\Core\Country\Controller\Country::getNameById($value);
                if (empty($data)) {
                    $value = 204;
                }
                $options = \Cx\Core\Country\Controller\Country::getMenuoptions($value);
                $select = new \Cx\Core\Html\Model\Entity\DataElement($name, $options, \Cx\Core\Html\Model\Entity\DataElement::TYPE_SELECT);
                if (isset($options['attributes'])) {
                    $select->setAttributes($options['attributes']);
                }
                return $select;
                break;
            case 'DateTime':
            case 'datetime':
            case 'date':
                // input field with type text and class datepicker
                if ($value instanceof \DateTime) {
                    $value = $value->format(ASCMS_DATE_FORMAT);
                }
                if (is_null($value)) {
                    $value = '';
                }
                $input = new \Cx\Core\Html\Model\Entity\DataElement($name, $value);
                $input->setAttribute('type', 'text');
                $input->setAttribute('class', 'datepicker');
                if (isset($options['readonly']) && $options['readonly']) {
                    $input->setAttribute('disabled');
                }
                if (isset($options['attributes'])) {
                    $input->setAttributes($options['attributes']);
                }
                \DateTimeTools::addDatepickerJs();
                \JS::registerCode('
                        cx.jQuery(function() {
                          cx.jQuery(".datepicker").datetimepicker();
                        });
                        ');
                return $input;
                break;
            case 'multiselect':
            case 'select':
                $values = array();
                if (isset($options['validValues'])) {
                    if (is_array($options['validValues'])) {
                        $values = $options['validValues'];
                    } else {
                        $values = explode(',', $options['validValues']);
                        $values = array_combine($values, $values);
                    }
                }
                if ($type == 'multiselect') {
                    $value = explode(',', $value);
                    $value = array_combine($value, $value);
                }
                $selectOptions = \Html::getOptions($values, $value);
                $select = new \Cx\Core\Html\Model\Entity\DataElement($name, $selectOptions, \Cx\Core\Html\Model\Entity\DataElement::TYPE_SELECT);
                if ($type == 'multiselect') {
                    $select->setAttribute('multiple');
                }
                if (isset($options['attributes'])) {
                    $select->setAttributes($options['attributes']);
                }
                return $select;
                break;
            case 'slider':
                // this code should not be here
                // create sorrounding div
                $element = new \Cx\Core\Html\Model\Entity\HtmlElement('div');
                // create div for slider
                $slider = new \Cx\Core\Html\Model\Entity\HtmlElement('div');
                $slider->setAttribute('class', 'slider');
                $element->addChild($slider);
                // create hidden input for slider value
                $input = new \Cx\Core\Html\Model\Entity\DataElement($name, $value + 0, \Cx\Core\Html\Model\Entity\DataElement::TYPE_INPUT);
                $input->setAttribute('type', 'hidden');
                if (isset($options['attributes'])) {
                    $input->setAttributes($options['attributes']);
                }
                $element->addChild($input);
                // add javascript to update input value
                $min = 0;
                $max = 10;
                if (isset($options['validValues'])) {
                    $values = explode(',', $options['validValues']);
                    $min = $values[0];
                    if (isset($values[1])) {
                        $max = $values[1];
                    }
                }
                if (!isset($value)) {
                    $value = 0;
                }
                $script = new \Cx\Core\Html\Model\Entity\HtmlElement('script');
                $script->addChild(new \Cx\Core\Html\Model\Entity\TextElement('
                    cx.jQuery("#form-' . $this->formId . '-' . $name . ' .slider").slider({
                        value: ' . ($value + 0) . ',
                        min: ' . ($min + 0) . ',
                        max: ' . ($max + 0) . ',
                        slide: function( event, ui ) {
                            cx.jQuery("input[name=' . $name . ']").val(ui.value);
                            cx.jQuery("input[name=' . $name . ']").change();
                        }
                    });
                '));
                $element->addChild($script);
                return $element;
                break;
            case 'checkboxes':
                $dataElementGroupType = \Cx\Core\Html\Model\Entity\DataElementGroup::TYPE_CHECKBOX;
            case 'radio':
                $values = array();
                if (isset($options['validValues'])) {
                    $values = explode(',', $options['validValues']);
                    $values = array_combine($values, $values);
                }
                if (!isset($dataElementGroupType)) {
                    $dataElementGroupType = \Cx\Core\Html\Model\Entity\DataElementGroup::TYPE_RADIO;
                }
                $radio = new \Cx\Core\Html\Model\Entity\DataElementGroup($name, $values, $value, $dataElementGroupType);
                if (isset($options['attributes'])) {
                    $radio->setAttributes($options['attributes']);
                }
                return $radio;
                break;
            case 'text':
                // textarea
                $textarea = new \Cx\Core\Html\Model\Entity\HtmlElement('textarea');
                $textarea->setAttribute('name', $name);
                if (isset($options['readonly']) && $options['readonly']) {
                    $textarea->setAttribute('disabled');
                }
                $textarea->addChild(new \Cx\Core\Html\Model\Entity\TextElement($value));
                if (isset($options['attributes'])) {
                    $textarea->setAttributes($options['attributes']);
                }
                return $textarea;
                break;
            case 'phone':
                // input field with type phone
                $input = new \Cx\Core\Html\Model\Entity\DataElement($name, $value);
                $input->setAttribute('type', 'phone');
                if (isset($options['readonly']) && $options['readonly']) {
                    $input->setAttribute('disabled');
                }
                if (isset($options['attributes'])) {
                    $input->setAttributes($options['attributes']);
                }
                return $input;
                break;
            case 'mail':
                // input field with type mail
                $emailValidator = new \Cx\Core\Validate\Model\Entity\EmailValidator();
                $input = new \Cx\Core\Html\Model\Entity\DataElement($name, $value, 'input', $emailValidator);
                $input->setAttribute('onkeyup', $emailValidator->getJavaScriptCode());
                $input->setAttribute('type', 'mail');
                if (isset($options['attributes'])) {
                    $input->setAttributes($options['attributes']);
                }
                if (isset($options['readonly']) && $options['readonly']) {
                    $input->setAttribute('disabled');
                }
                return $input;
                break;
            case 'uploader':
                \JS::registerCode('
                    function javascript_callback_function(data) {
                        if(data.type=="file") {
                                cx.jQuery("#' . $name . '").val(data.data[0].datainfo.filepath);
                        }
                    }

                ');
                $mediaBrowser = new \Cx\Core_Modules\MediaBrowser\Model\Entity\MediaBrowser();
                $mediaBrowser->setOptions(array('type' => 'button'));
                $mediaBrowser->setCallback('javascript_callback_function');
                $mediaBrowser->setOptions(array('data-cx-mb-views' => 'filebrowser,uploader', 'id' => 'page_target_browse', 'cxMbStartview' => 'MediaBrowserList'));
                $input = new \Cx\Core\Html\Model\Entity\DataElement($name, $value);
                $input->setAttribute('type', 'text');
                $input->setAttribute('id', $name);
                $div = new \Cx\Core\Html\Model\Entity\HtmlElement('div');
                $div->addChild($input);
                $div->addChild(new \Cx\Core\Html\Model\Entity\TextElement($mb = $mediaBrowser->getXHtml($_ARRAYLANG['TXT_CORE_CM_BROWSE'])));
                return $div;
                break;
            case 'image':
                \JS::registerCode('
                    function javascript_callback_function(data) {
                        if ( data.data[0].datainfo.extension=="Jpg"
                            || data.data[0].datainfo.extension=="Gif"
                            || data.data[0].datainfo.extension=="Png"
                        ) {
                            cx.jQuery("#' . $name . '").attr(\'value\', data.data[0].datainfo.filepath);
                            cx.jQuery("#' . $name . '").prevAll(\'.deletePreviewImage\').first().css(\'display\', \'inline-block\');
                            cx.jQuery("#' . $name . '").prevAll(\'.previewImage\').first().attr(\'src\', data.data[0].datainfo.filepath);
                        }
                    }

                    jQuery(document).ready(function(){
                        jQuery(\'.deletePreviewImage\').click(function(){
                            cx.jQuery("#' . $name . '").attr(\'value\', \'\');
                            cx.jQuery(this).prev(\'img\').attr(\'src\', \'/images/Downloads/no_picture.gif\');
                            cx.jQuery(this).css(\'display\', \'none\');
                            cx.jQuery(this).nextAll(\'input\').first().attr(\'value\', \'\');
                        });
                    });

                ');
                $mediaBrowser = new \Cx\Core_Modules\MediaBrowser\Model\Entity\MediaBrowser();
                $mediaBrowser->setOptions(array('type' => 'button'));
                $mediaBrowser->setCallback('javascript_callback_function');
                $defaultOptions = array('data-cx-mb-views' => 'filebrowser,uploader', 'id' => 'page_target_browse', 'cxMbStartview' => 'MediaBrowserList');
                $mediaBrowser->setOptions(is_array($options['options']) ? array_merge($defaultOptions, $options['options']) : $defaultOptions);
                // create hidden input to save image
                $input = new \Cx\Core\Html\Model\Entity\DataElement($name, $value);
                $input->setAttribute('type', 'hidden');
                $input->setAttribute('id', $name);
                $div = new \Cx\Core\Html\Model\Entity\HtmlElement('div');
                if (isset($value) && in_array(pathinfo($value, PATHINFO_EXTENSION), array('gif', 'jpg', 'png')) || $name == 'imagePath') {
                    // this image is meant to be a preview of the selected image
                    $previewImage = new \Cx\Core\Html\Model\Entity\HtmlElement('img');
                    $previewImage->setAttribute('class', 'previewImage');
                    $previewImage->setAttribute('src', $value != '' ? $value : '/images/Downloads/no_picture.gif');
                    // this image is uesd as delete function for the selected image over javascript
                    $deleteImage = new \Cx\Core\Html\Model\Entity\HtmlElement('img');
                    $deleteImage->setAttribute('class', 'deletePreviewImage');
                    $deleteImage->setAttribute('src', '/core/Core/View/Media/icons/delete.gif');
                    $div->addChild($previewImage);
                    $div->addChild($deleteImage);
                    $div->addChild(new \Cx\Core\Html\Model\Entity\HtmlElement('br'));
                }
                $div->addChild($input);
                $div->addChild(new \Cx\Core\Html\Model\Entity\TextElement($mediaBrowser->getXHtml($_ARRAYLANG['TXT_CORE_CM_BROWSE'])));
                return $div;
                break;
            case 'sourcecode':
                //set mode
                $mode = 'html';
                if (isset($options['options']['mode'])) {
                    switch ($options['options']['mode']) {
                        case 'js':
                            $mode = 'javascript';
                            break;
                        case 'yml':
                        case 'yaml':
                            $mode = 'yaml';
                            break;
                    }
                }
                //define textarea
                $textarea = new \Cx\Core\Html\Model\Entity\HtmlElement('textarea');
                $textarea->setAttribute('name', $name);
                $textarea->setAttribute('id', $name);
                $textarea->setAttribute('style', 'display:none;');
                $textarea->addChild(new \Cx\Core\Html\Model\Entity\TextElement($value));
                //define pre
                $pre = new \Cx\Core\Html\Model\Entity\HtmlElement('pre');
                $pre->setAttribute('id', 'editor-' . $name);
                $pre->addChild(new \Cx\Core\Html\Model\Entity\TextElement(contrexx_raw2xhtml($value)));
                //set readonly if necessary
                $readonly = '';
                if (isset($options['readonly']) && $options['readonly']) {
                    $readonly = 'editor.setReadOnly(true);';
                    $textarea->setAttribute('disabled');
                }
                //create div and add all stuff
                $div = new \Cx\Core\Html\Model\Entity\HtmlElement('div');
                $div->addChild($textarea);
                $div->addChild($pre);
                //register js
                $jsCode = <<<CODE
var editor;                        
\$J(function(){
if (\$J("#editor-{$name}").length) {
    editor = ace.edit("editor-{$name}");
    editor.getSession().setMode("ace/mode/{$mode}");
    editor.setShowPrintMargin(false);
    editor.focus();
    editor.gotoLine(1);
    {$readonly}
}

\$J('form').submit(function(){
    \$J('#{$name}').val(editor.getSession().getValue());
});

});
CODE;
                \JS::activate('ace');
                \JS::registerCode($jsCode);
                return $div;
                break;
            case 'string':
            case 'hidden':
            default:
                // convert NULL to empty string
                if (is_null($value)) {
                    $value = '';
                }
                // input field with type text
                $input = new \Cx\Core\Html\Model\Entity\DataElement($name, $value);
                if (isset($options['validValues'])) {
                    $input->setValidator(new \Cx\Core\Validate\Model\Entity\RegexValidator('/^' . $options['validValues'] . '$/'));
                }
                if ($type == 'hidden') {
                    $input->setAttribute('type', 'hidden');
                } else {
                    $input->setAttribute('type', 'text');
                    $input->setClass('form-control');
                }
                if (isset($options['readonly']) && $options['readonly']) {
                    $input->setAttribute('disabled');
                }
                if (isset($options['attributes'])) {
                    $input->setAttributes($options['attributes']);
                }
                return $input;
                break;
        }
    }