PHP GridField::getDataFieldValue方法代碼示例

 /**
  * Generate export fields for CSV.
  *
  * @param GridField $gridField
  * @return array
  */
 public function generateExportFileData($gridField)
 {
     $separator = $this->csvSeparator;
     $singl = singleton($gridField->getModelClass());
     if ($singl->hasMethod('exportedFields')) {
         $fallbackColumns = $singl->exportedFields();
     } else {
         $fallbackColumns = $singl->summaryFields();
     }
     $csvColumns = $this->exportColumns ? $this->exportColumns : $fallbackColumns;
     $fileData = '';
     $columnData = array();
     $fieldItems = new ArrayList();
     if ($this->csvHasHeader) {
         $headers = array();
         // determine the CSV headers. If a field is callable (e.g. anonymous function) then use the
         // source name as the header instead
         foreach ($csvColumns as $columnSource => $columnHeader) {
             $headers[] = !is_string($columnHeader) && is_callable($columnHeader) ? utf8_decode($columnSource) : utf8_decode($columnHeader);
         }
         $fileData .= "\"" . implode("\"{$separator}\"", array_values($headers)) . "\"";
         $fileData .= "\n";
     }
     $items = $gridField->getList();
     foreach ($items as $item) {
         if (!$item->hasMethod('canView') || $item->canView()) {
             $columnData = array();
             foreach ($csvColumns as $columnSource => $columnHeader) {
                 if (!is_string($columnHeader) && is_callable($columnHeader)) {
                     if ($item->hasMethod($columnSource)) {
                         $relObj = $item->{$columnSource}();
                     } else {
                         $relObj = $item->relObject($columnSource);
                     }
                     $value = $columnHeader($relObj);
                 } else {
                     $value = $gridField->getDataFieldValue($item, $columnSource);
                     if (!$value) {
                         $value = $gridField->getDataFieldValue($item, $columnHeader);
                     }
                 }
                 $value = str_replace(array("\r", "\n"), "\n", $value);
                 $columnData[] = '"' . str_replace('"', '""', utf8_decode($value)) . '"';
             }
             $fileData .= implode($separator, $columnData);
             $fileData .= "\n";
         }
         if ($item->hasMethod('destroy')) {
             $item->destroy();
         }
     }
     return $fileData;
 }

 /**
  * HTML for the column, content of the <td> element.
  *
  * @param  GridField $gridField
  * @param  DataObject $record - Record displayed in this row
  * @param  string $columnName
  * @return string - HTML for the column. Return NULL to skip.
  */
 public function getColumnContent($gridField, $record, $columnName)
 {
     $field = new TextareaField('MetaDescription');
     $value = $gridField->getDataFieldValue($record, $columnName);
     $value = $this->formatValue($gridField, $record, $columnName, $value);
     $field->setName($this->getFieldName($field->getName(), $gridField, $record));
     $field->setValue($value);
     return $field->Field() . $this->getErrorMessages();
 }

 /**
  * Generate export fields for CSV.
  *
  * @param GridField $gridField
  * @return array
  */
 public function generateExportFileData($gridField)
 {
     $separator = $this->csvSeparator;
     $csvColumns = $this->exportColumns ? $this->exportColumns : singleton($gridField->getModelClass())->summaryFields();
     $fileData = '';
     $columnData = array();
     $fieldItems = new ArrayList();
     if ($this->csvHasHeader) {
         $headers = array();
         // determine the CSV headers. If a field is callable (e.g. anonymous function) then use the
         // source name as the header instead
         foreach ($csvColumns as $columnSource => $columnHeader) {
             $headers[] = !is_string($columnHeader) && is_callable($columnHeader) ? $columnSource : $columnHeader;
         }
         $fileData .= "\"" . implode("\"{$separator}\"", array_values($headers)) . "\"";
         $fileData .= "\n";
     }
     $items = $gridField->getList();
     // Apply filters for a datalist
     if ($items instanceof DataList) {
         if (!empty($this->filter)) {
             $items = $items->filter($this->filter);
         }
         if (!empty($this->exclude)) {
             $items = $items->exclude($this->exclude);
         }
         if (!empty($this->filterAny)) {
             $items = $items->filterAny($this->filterAny);
         }
         if (!empty($this->where)) {
             $items = $items->where($this->where);
         }
     }
     foreach ($items as $item) {
         $columnData = array();
         foreach ($csvColumns as $columnSource => $columnHeader) {
             if (!is_string($columnHeader) && is_callable($columnHeader)) {
                 if ($item->hasMethod($columnSource)) {
                     $relObj = $item->{$columnSource}();
                 } else {
                     $relObj = $item->relObject($columnSource);
                 }
                 $value = $columnHeader($relObj);
             } else {
                 $value = $gridField->getDataFieldValue($item, $columnSource);
             }
             $value = str_replace(array("\r", "\n"), "\n", $value);
             $columnData[] = '"' . str_replace('"', '\\"', $value) . '"';
         }
         $fileData .= implode($separator, $columnData);
         $fileData .= "\n";
         $item->destroy();
     }
     return $fileData;
 }