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329 lines
12 KiB
PHP
329 lines
12 KiB
PHP
<?php
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/* vim: set expandtab tabstop=4 shiftwidth=4: */
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// +----------------------------------------------------------------------+
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// | PHP Version 4 |
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// +----------------------------------------------------------------------+
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// | Copyright (c) 1997, 1998, 1999, 2000, 2001 The PHP Group |
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// +----------------------------------------------------------------------+
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// | This source file is subject to version 2.0 of the PHP license, |
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// | that is bundled with this package in the file LICENSE, and is |
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// | available at through the world-wide-web at |
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// | http://www.php.net/license/2_02.txt. |
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// | If you did not receive a copy of the PHP license and are unable to |
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// | obtain it through the world-wide-web, please send a note to |
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// | license@php.net so we can mail you a copy immediately. |
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// +----------------------------------------------------------------------+
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// | Author: Adam Daniel <adaniel1@eesus.jnj.com> |
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// +----------------------------------------------------------------------+
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//
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// $Id: Select.php,v 1.10.2.2 2002/04/09 19:04:19 ssb Exp $
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require_once 'PEAR.php';
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require_once 'HTML/Common.php';
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/**
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* Class to dynamically create an HTML SELECT
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*
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* @author Adam Daniel <adaniel1@eesus.jnj.com>
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* @version 1.2
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* @since PHP4.04pl1
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* @access public
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*/
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class HTML_Select extends HTML_Common
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{
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/**
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* Contains the select options
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*
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* @var array
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* @since 1.0
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* @access private
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*/
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var $_options = array();
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/**
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* Default values of the SELECT
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*
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* @var string
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* @since 1.0
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* @access private
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*/
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var $_values = array();
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/**
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* Class constructor
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*
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* @param string $name (optional)Name attribute of the SELECT
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* @param int $size (optional) Size attribute of the SELECT
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* @param bool $multiple (optional)Whether the select will allow multiple
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* selections or not
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* @param mixed $attributes (optional)Either a typical HTML attribute string
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* or an associative array
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* @param int $tabOffset (optional)Number of tabs to offset HTML source
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* @since 1.0
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* @access public
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* @return void
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* @throws
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*/
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function HTML_Select($name = '', $size = 1, $multiple = false, $attributes = null, $tabOffset = 0)
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{
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HTML_Common::HTML_Common($attributes, $tabOffset);
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$attr = array('name' => $name, 'size' => $size);
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if ($multiple) {
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$attr[] = 'multiple="multiple"';
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}
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$this->updateAttributes($attr);
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$this->setSelectedValues(array());
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}
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/**
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* Returns the current API version
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*
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* @since 1.0
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* @access public
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* @return double
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* @throws
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*/
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function apiVersion()
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{
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return 1.2;
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}
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/**
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* Sets the default values of the select box
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*
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* @param mixed $values Array or comma delimited string of selected values
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* @since 1.0
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* @access public
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* @return void
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* @throws
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*/
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function setSelectedValues($values)
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{
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if (is_string($values)) {
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$values = split("[ ]?,[ ]?", $values);
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}
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$this->_values = $values;
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}
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/**
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* Returns an array of the selected values
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*
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* @since 1.0
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* @access public
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* @return array of selected values
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* @throws
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*/
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function getSelectedValues()
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{
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return $this->_values;
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}
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/**
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* Adds a new OPTION to the SELECT
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*
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* @param string $text Display text for the OPTION
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* @param string $value Value for the OPTION
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* @param bool $selected Whether the option is selected or not
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* @param mixed $attributes Either a typical HTML attribute string
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* or an associative array
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* @since 1.0
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* @access public
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* @return void
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* @throws
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*/
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function addOption($text, $value, $selected = false, $attributes = null)
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{
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if ($selected && !in_array($value, $this->_values)) {
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$this->_values[] = $value;
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}
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$attributes = $this->_parseAttributes($attributes);
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$attr['value'] = $value;
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$this->_updateAttrArray($attributes, $attr);
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$this->_options[] = array('text' => $text, 'attr' => $attributes);
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}
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/**
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* Loads the options from an associative array
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*
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* @param array $arr Associative array of options
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* @param mixed $values (optional) Array or comma delimited string of selected values
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* @since 1.0
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* @access public
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* @return PEAR_Error on error or true
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* @throws PEAR_Error
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*/
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function loadArray($arr, $values=null)
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{
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if (!is_array($arr)) {
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return new PEAR_ERROR('First argument to HTML_Select::loadArray is not a valid array');
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}
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if (isset($values)) {
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$this->setSelectedValues($values);
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}
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while (list($key, $value) = each($arr)) {
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$this->addOption($key, $value);
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}
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return true;
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}
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/**
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* Loads the options from an array with numeric keys, using the
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* array values as the form values as well as labels.
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*
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* @param array $arr Array of options
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* @param mixed $values (optional) Array or comma delimited string of selected values
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* @since 1.2
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* @access public
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* @return PEAR_Error on error or true
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* @throws PEAR_Error
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*/
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function loadValueArray($arr, $values = null)
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{
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if (!is_array($arr)) {
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return new PEAR_ERROR("First argument to HTML_Select::loadArray is not a valid array");
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}
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if (isset($values)) {
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$this->setSelectedValues($values);
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}
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foreach ($arr as $value) {
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$this->addOption($value, $value);
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}
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return true;
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}
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/**
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* Loads the options from DB_result object
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*
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* If no column names are specified the first two columns of the result are
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* used as the text and value columns respectively
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* @param object $result DB_result object
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* @param string $textCol (optional) Name of column to display as the OPTION text
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* @param string $valueCol (optional) Name of column to use as the OPTION value
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* @param mixed $values (optional) Array or comma delimited string of selected values
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* @since 1.0
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* @access public
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* @return PEAR_Error on error or true
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* @throws PEAR_Error
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*/
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function loadDbResult(&$result, $textCol=null, $valueCol=null, $values=null)
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{
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include_once 'DB.php';
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if (!is_object($result) || (get_class($result) != "db_result" &&
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is_subclass_of($result, "db_result"))) {
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return new PEAR_ERROR("First argument to HTML_Select::loadDbResult is not a valid DB_result");
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}
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if (isset($values)) {
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$this->setSelectedValues($values);
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}
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$fetchMode = ($textCol && $valueCol) ? DB_FETCHMODE_ASSOC : DB_FETCHMODE_DEFAULT;
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while (is_array($row = $result->fetchRow($fetchMode)) ) {
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if ($fetchMode == DB_FETCHMODE_ASSOC) {
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$this->addOption($row[$textCol], $row[$valueCol]);
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} else {
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$this->addOption($row[0], $row[1]);
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}
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}
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return true;
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}
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/**
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* Queries a database and loads the options from the results
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*
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* @param mixed $conn Either an existing DB connection or a valid dsn
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* @param string $sql SQL query string
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* @param string $textCol (optional) Name of column to display as the OPTION text
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* @param string $valueCol (optional) Name of column to use as the OPTION value
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* @param mixed $values (optional) Array or comma delimited string of selected values
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* @since 1.1
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* @access private
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* @return void
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* @throws
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*/
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function loadQuery(&$conn, $sql, $textCol=null, $valueCol=null, $values=null)
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{
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include_once 'DB.php';
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if (is_string($conn)) {
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$dbConn = &DB::connect($conn, true);
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if (DB::isError($dbConn)) return $dbConn;
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} elseif (is_subclass_of($conn, "db_common")) {
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$dbConn = $conn;
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} else {
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return new PEAR_Error("Argument 1 of HTML_Select::loadQuery is not a valid type");
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}
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$result = @$dbConn->query($sql);
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if (DB::isError($result)) return $result;
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return $this->loadDbResult($result, $textCol, $valueCol, $values);
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}
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/**
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* Loads options from different types of data sources
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*
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* This method is a simulated overloaded method. The arguments, other than the
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* first are optional and only mean something depending on the type of the first argument.
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* If the first argument is an array then all arguments are passed in order to loadArray.
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* If the first argument is a db_result then all arguments are passed in order to loadDbResult.
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* If the first argument is a string or a DB connection then all arguments are
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* passed in order to loadQuery.
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* @param mixed $options Options source currently supports assoc array or DB_result
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* @param mixed $param1 (optional) See function detail
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* @param mixed $param2 (optional) See function detail
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* @param mixed $param3 (optional) See function detail
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* @param mixed $param4 (optional) See function detail
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* @since 1.1
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* @access public
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* @return PEAR_Error on error or true
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* @throws PEAR_Error
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*/
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function load(&$options, $param1=null, $param2=null, $param3=null, $param4=null)
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{
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switch (true) {
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case is_array($options):
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return $this->loadArray($options, $param1);
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break;
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case (get_class($options) == "db_result" || is_subclass_of($options, "db_result")):
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return $this->loadDbResult($options, $param1, $param2, $param3);
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break;
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case (is_string($options) || is_subclass_of($options, "db_common")):
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return $this->loadQuery($options, $param1, $param2, $param3, $param4);
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break;
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}
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}
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/**
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* Returns the SELECT in HTML
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*
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* @since 1.0
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* @access public
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* @return string
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* @throws
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*/
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function toHtml()
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{
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$tabs = $this->_getTabs();
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$name = $this->_attributes['name'];
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$strHtml = $tabs;
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if ($this->_comment) {
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$strHtml .= "<!-- $this->_comment -->\n$tabs";
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}
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$strHtml .=
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'<select' . $this->_getAttrString($this->_attributes) . '>';
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foreach ($this->_options as $option) {
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if (@in_array($option['attr']['value'], $this->_values)) {
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$option['attr']['selected'] = 'selected';
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}
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$attrString = $this->_getAttrString($option['attr']);
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$strHtml .=
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'<option' . $attrString . '>' .
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htmlspecialchars($option['text']) . '</option>';
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}
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$strHtml .= '</select>';
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return $strHtml;
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}
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}
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?>
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