<?php

/**
 * ProcessWire Integer Fieldtype
 *
 * Field that stores an integer value. 
 *
 * For documentation about the fields used in this class, please see:  
 * /wire/core/Fieldtype.php
 * 
 * ProcessWire 2.x 
 * Copyright (C) 2010 by Ryan Cramer 
 * Licensed under GNU/GPL v2, see LICENSE.TXT
 * 
 * http://www.processwire.com
 * http://www.ryancramer.com
 *
 */

class FieldtypeInteger extends Fieldtype {

	public static function getModuleInfo() {
		return array(
			'title' => 'Integer',
			'version' => 100,
			'summary' => 'Field that stores an integer',
			'permanent' => true, 
			);
	}

	public function ___getCompatibleFieldtypes(Field $field) {
		$fieldtypes = parent::___getCompatibleFieldtypes($field); 
		foreach($fieldtypes as $type) {
			if(	!$type instanceof FieldtypeInteger && 
				!$type instanceof FieldtypeFloat &&
				$type != 'FieldtypeText') {

				$fieldtypes->remove($type); 
			}
		}
		return $fieldtypes; 
	}

	public function getBlankValue(Page $page, Field $field) {
		return '';
	}

	public function sanitizeValue(Page $page, Field $field, $value) {

		if(is_string($value) && strlen($value) && !is_numeric($value) && !ctype_digit($value)) {
			$value = preg_replace('/[^\d]/', '', $value);
		}
		$value = strlen("$value") ? (int) $value : '';

		return $value;

	}

	public function getInputfield(Page $page, Field $field) {
		$inputfield = $this->modules->get('InputfieldInteger'); 
		$inputfield->class = $this->className();
		return $inputfield; 
	}

	public function getDatabaseSchema(Field $field) {
		$schema = parent::getDatabaseSchema($field);
		$schema['data'] = 'int NOT NULL';
		return $schema;
	}

	/*
	public function ___getConfigInputfields(Field $field) {
		$inputfields = parent::___getConfigInputfields($field);
		$field = $this->modules->get('InputfieldInteger');
		$field->setAttribute('name', 'minValue'); 
		$field->label = 'Minimum Allowed Value';
		$field->setAttribute('value', $field->minValue); 
		$field->setAttribute('size', 20); 
		$field->description = 'The smallest number allowed by this field.'; 
		$inputfields->append($field);

		$field = $this->modules->get('InputfieldInteger');
		$field->setAttribute('name', 'maxValue'); 
		$field->label = 'Maximum Allowed Value';
		$field->setAttribute('value', $field->maxValue); 
		$field->setAttribute('size', 20); 
		$field->description = 'The largest number allowed by this field (may not exceed ' . PHP_INT_MAX . ")"; 
		$inputfields->append($field);

		return $inputfields; 
	}
	*/

}