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https://github.com/silverstripe/silverstripe-framework
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Namespace all templates Move difflib and BBCodeParser2 to thirdparty Remove deprecated API marked for removal in 4.0
204 lines
4.4 KiB
PHP
204 lines
4.4 KiB
PHP
<?php
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namespace SilverStripe\ORM\FieldType;
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use SilverStripe\Core\Config\Config;
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use SilverStripe\Forms\DropdownField;
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use SilverStripe\ORM\ArrayLib;
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use SilverStripe\ORM\DB;
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/**
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* Class Enum represents an enumeration of a set of strings.
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*
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* See {@link DropdownField} for a {@link FormField} to select enum values.
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*/
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class DBEnum extends DBString {
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/**
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* List of enum values
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*
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* @var array
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*/
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protected $enum = array();
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/**
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* Default value
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*
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* @var string|null
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*/
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protected $default = null;
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private static $default_search_filter_class = 'ExactMatchFilter';
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/**
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* Create a new Enum field.
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*
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* Example usage in {@link DataObject::$db} with comma-separated string
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* notation ('Val1' is default)
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*
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* <code>
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* "MyField" => "Enum('Val1, Val2, Val3', 'Val1')"
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* </code>
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*
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* Example usage in in {@link DataObject::$db} with array notation
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* ('Val1' is default)
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*
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* <code>
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* "MyField" => "Enum(array('Val1', 'Val2', 'Val3'), 'Val1')"
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* </code>
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*
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* @param string $name
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* @param string|array $enum A string containing a comma separated list of options or an array of Vals.
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* @param string $default The default option, which is either NULL or one of the items in the enumeration.
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*/
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public function __construct($name = null, $enum = NULL, $default = NULL) {
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if($enum) {
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$this->setEnum($enum);
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// If there's a default, then
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if($default) {
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if(in_array($default, $this->getEnum())) {
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$this->setDefault($default);
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} else {
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user_error("Enum::__construct() The default value '$default' does not match any item in the"
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. " enumeration", E_USER_ERROR);
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}
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// By default, set the default value to the first item
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} else {
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$enum = $this->getEnum();
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$this->setDefault(reset($enum));
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}
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}
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parent::__construct($name);
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}
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/**
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* @return void
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*/
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public function requireField() {
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$charset = Config::inst()->get('SilverStripe\ORM\Connect\MySQLDatabase', 'charset');
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$collation = Config::inst()->get('SilverStripe\ORM\Connect\MySQLDatabase', 'collation');
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$parts = array(
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'datatype' => 'enum',
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'enums' => $this->getEnum(),
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'character set' => $charset,
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'collate' => $collation,
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'default' => $this->getDefault(),
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'table' => $this->getTable(),
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'arrayValue' => $this->arrayValue
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);
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$values = array(
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'type' => 'enum',
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'parts' => $parts
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);
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DB::require_field($this->getTable(), $this->getName(), $values);
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}
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/**
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* Return a dropdown field suitable for editing this field.
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*
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* @param string $title
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* @param string $name
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* @param bool $hasEmpty
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* @param string $value
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* @param string $emptyString
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* @return DropdownField
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*/
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public function formField($title = null, $name = null, $hasEmpty = false, $value = "", $emptyString = null) {
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if(!$title) {
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$title = $this->getName();
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}
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if(!$name) {
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$name = $this->getName();
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}
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$field = new DropdownField($name, $title, $this->enumValues(false), $value);
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if($hasEmpty) {
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$field->setEmptyString($emptyString);
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}
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return $field;
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}
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public function scaffoldFormField($title = null, $params = null) {
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return $this->formField($title);
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}
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/**
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* @param string
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*
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* @return DropdownField
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*/
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public function scaffoldSearchField($title = null) {
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$anyText = _t('Enum.ANY', 'Any');
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return $this->formField($title, null, true, $anyText, "($anyText)");
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}
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/**
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* Returns the values of this enum as an array, suitable for insertion into
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* a {@link DropdownField}
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*
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* @param boolean
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*
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* @return array
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*/
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public function enumValues($hasEmpty = false) {
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return ($hasEmpty)
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? array_merge(array('' => ''), ArrayLib::valuekey($this->getEnum()))
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: ArrayLib::valuekey($this->getEnum());
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}
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/**
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* Get list of enum values
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*
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* @return array
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*/
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public function getEnum() {
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return $this->enum;
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}
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/**
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* Set enum options
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*
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* @param string|array $enum
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* @return $this
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*/
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public function setEnum($enum) {
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if(!is_array($enum)) {
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$enum = preg_split(
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'/\s*,\s*/',
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// trim commas only if they are on the right with a newline following it
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ltrim(preg_replace('/,\s*\n\s*$/','',$enum))
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);
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}
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$this->enum = $enum;
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return $this;
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}
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/**
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* Get default vwalue
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*
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* @return string|null
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*/
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public function getDefault() {
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return $this->default;
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}
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/**
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* Set default value
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*
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* @param string $default
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* @return $this
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*/
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public function setDefault($default) {
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$this->default = $default;
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return $this;
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}
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}
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