silverstripe-framework/Forms/GridField/GridField_ColumnProvider.php

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<?php
namespace SilverStripe\Forms\GridField;
use SilverStripe\ORM\DataObject;
/**
* Add a new column to the table display body, or modify existing columns.
*
* Used once per record/row.
*/
interface GridField_ColumnProvider extends GridFieldComponent
{
/**
* Modify the list of columns displayed in the table.
*
* @see {@link GridFieldDataColumns->getDisplayFields()}
* @see {@link GridFieldDataColumns}.
*
* @param GridField $gridField
* @param array $columns List reference of all column names.
*/
public function augmentColumns($gridField, &$columns);
/**
* Names of all columns which are affected by this component.
*
* @param GridField $gridField
* @return array
*/
public function getColumnsHandled($gridField);
/**
* 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);
/**
* Attributes for the element containing the content returned by {@link getColumnContent()}.
*
* @param GridField $gridField
* @param DataObject $record displayed in this row
* @param string $columnName
* @return array
*/
public function getColumnAttributes($gridField, $record, $columnName);
/**
* Additional metadata about the column which can be used by other components,
* e.g. to set a title for a search column header.
*
* @param GridField $gridField
* @param string $columnName
* @return array - Map of arbitrary metadata identifiers to their values.
*/
public function getColumnMetadata($gridField, $columnName);
}