silverstripe-framework/forms/gridfield/GridFieldDefaultColumns.php

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PHP
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<?php
/**
*
* @see GridField
*
* @package sapphire
* @subpackage fields-relational
*/
class GridFieldDefaultColumns implements GridField_ColumnProvider {
public function augmentColumns($gridField, &$columns) {
$baseColumns = array_keys($gridField->getDisplayFields());
foreach($baseColumns as $col) $columns[] = $col;
}
public function getColumnsHandled($gridField) {
return array_keys($gridField->getDisplayFields());
}
/**
*
* @param string $fieldName
* @param string $value
* @param boolean $xmlSafe
* @return type
*/
public function getColumnContent($gridField, $item, $column) {
// Find the data column for the given named column
$fieldName = $column;
$xmlSafe = true;
// This supports simple FieldName syntax
if(strpos($fieldName, '.') === false) {
return ($item->XML_val($fieldName) && $xmlSafe) ? $item->XML_val($fieldName) : $item->RAW_val($fieldName);
}
$fieldNameParts = explode('.', $fieldName);
$tmpItem = $item;
for($idx = 0; $idx < sizeof($fieldNameParts); $idx++) {
$relationMethod = $fieldNameParts[$idx];
// Last value for value
if($idx == sizeof($fieldNameParts) - 1) {
if($tmpItem) {
return ($tmpItem->XML_val($relationMethod) && $xmlSafe) ? $tmpItem->XML_val($relationMethod) : $tmpItem->RAW_val($relationMethod);
}
// else get the object for the next iteration
} else {
if($tmpItem) {
$tmpItem = $tmpItem->$relationMethod();
}
}
}
$value = $this->castValue($gridField, $column, $value);
$value = $this->formatValue($gridField, $item, $column, $value);
$value = $this->escapeValue($gridField, $value);
return $value;
}
public function getColumnAttributes($gridField, $item, $column) {
return null;
}
public function getColumnMetadata($gridField, $column) {
$columns = $gridField->getDisplayFields();
return array(
'title' => $columns[$column],
);
}
/**
*
* @param type $fieldName
* @param type $value
* @return type
*/
protected function castValue($gridField, $fieldName, $value) {
if(array_key_exists($fieldName, $gridField->FieldCasting)) {
return $gridField->getCastedValue($value, $gridField->FieldCasting[$fieldName]);
} elseif(is_object($value) && method_exists($value, 'Nice')) {
return $value->Nice();
}
return $value;
}
/**
*
* @param type $fieldName
* @param type $value
* @return type
*/
protected function formatValue($gridField, $item, $fieldName, $value) {
if(!array_key_exists($fieldName, $gridField->FieldFormatting)) {
return $value;
}
$format = str_replace('$value', "__VAL__", $gridField->FieldFormatting[$fieldName]);
$format = preg_replace('/\$([A-Za-z0-9-_]+)/', '$item->$1', $format);
$format = str_replace('__VAL__', '$value', $format);
eval('$value = "' . $format . '";');
return $value;
}
/**
* Remove values from a value using FieldEscape setter
*
* @param type $value
* @return type
*/
protected function escapeValue($gridField, $value) {
if(!$escape = $gridField->FieldEscape) {
return $value;
}
foreach($escape as $search => $replace) {
$value = str_replace($search, $replace, $value);
}
return $value;
}
}