136 lines
3.4 KiB
PHP
136 lines
3.4 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\NullableField;
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use SilverStripe\Forms\TextField;
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use SilverStripe\ORM\Connect\MySQLDatabase;
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use SilverStripe\ORM\DB;
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/**
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* Class Varchar represents a variable-length string of up to 255 characters, designed to store raw text
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*
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* @see DBHTMLText
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* @see DBHTMLVarchar
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* @see DBText
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*/
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class DBVarchar extends DBString
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{
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private static $casting = [
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'Initial' => 'Text',
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'URL' => 'Text',
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];
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/**
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* Max size of this field
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*
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* @var int
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*/
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protected $size;
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/**
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* Construct a new short text field
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*
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* @param string $name The name of the field
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* @param int $size The maximum size of the field, in terms of characters
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* @param array $options Optional parameters, e.g. array("nullifyEmpty"=>false).
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* See {@link StringField::setOptions()} for information on the available options
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*/
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public function __construct($name = null, $size = 255, $options = [])
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{
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$this->size = $size ? $size : 255;
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parent::__construct($name, $options);
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}
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/**
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* Allow the ability to access the size of the field programmatically. This
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* can be useful if you want to have text fields with a length limit that
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* is dictated by the DB field.
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*
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* TextField::create('Title')->setMaxLength(singleton('SiteTree')->dbObject('Title')->getSize())
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*
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* @return int The size of the field
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*/
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public function getSize()
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{
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return $this->size;
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}
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/**
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* (non-PHPdoc)
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* @see DBField::requireField()
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*/
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public function requireField()
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{
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$charset = Config::inst()->get(MySQLDatabase::class, 'charset');
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$collation = Config::inst()->get(MySQLDatabase::class, 'collation');
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$parts = [
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'datatype' => 'varchar',
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'precision' => $this->size,
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'character set' => $charset,
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'collate' => $collation,
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'arrayValue' => $this->arrayValue
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];
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$values = [
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'type' => 'varchar',
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'parts' => $parts
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];
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DB::require_field($this->tableName, $this->name, $values);
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}
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/**
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* Return the first letter of the string followed by a .
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*
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* @return string
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*/
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public function Initial()
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{
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if ($this->exists()) {
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$value = $this->RAW();
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return $value[0] . '.';
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}
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return null;
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}
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/**
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* Ensure that the given value is an absolute URL.
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*
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* @return string
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*/
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public function URL()
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{
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$value = $this->RAW();
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if (preg_match('#^[a-zA-Z]+://#', $value)) {
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return $value;
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}
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return 'http://' . $value;
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}
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/**
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* Return the value of the field in rich text format
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* @return string
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*/
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public function RTF()
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{
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return str_replace("\n", '\par ', $this->RAW());
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}
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public function scaffoldFormField($title = null, $params = null)
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{
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// Set field with appropriate size
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$field = TextField::create($this->name, $title);
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$field->setMaxLength($this->getSize());
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// Allow the user to select if it's null instead of automatically assuming empty string is
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if (!$this->getNullifyEmpty()) {
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return NullableField::create($field);
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}
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return $field;
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}
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}
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