select.php

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<?php
/**
* @version		$Id: select.php 7656 2007-06-06 05:54:58Z tcp $
* @package		Joomla.Framework
* @subpackage	HTML
* @copyright	Copyright (C) 2005 - 2007 Open Source Matters. All rights reserved.
* @license		GNU/GPL, see LICENSE.php
* Joomla! is free software. This version may have been modified pursuant
* to the GNU General Public License, and as distributed it includes or
* is derivative of works licensed under the GNU General Public License or
* other free or open source software licenses.
* See COPYRIGHT.php for copyright notices and details.
*/

/**
 * Utility class for creating HTML select lists
 *
 * @static
 * @package 	Joomla.Framework
 * @subpackage	HTML
 * @since		1.5
 */
class JHTMLSelect
{
	/**
	 * @param	string	The value of the option
	 * @param	string	The text for the option
	 * @param	string	The returned object property name for the value
	 * @param	string	The returned object property name for the text
	 * @return	object
	 */
	function option( $value, $text='', $value_name='value', $text_name='text', $disable=false )
	{
		$obj = new stdClass;
		$obj->$value_name	= $value;
		$obj->$text_name	= trim( $text ) ? $text : $value;
		$obj->disable		= $disable;
		return $obj;
	}

	/**
	 * @param	string	The text for the option
	 * @param	string	The returned object property name for the value
	 * @param	string	The returned object property name for the text
	 * @return	object
	 */
	function optgroup( $text, $value_name = 'value', $text_name = 'text' )
	{
		$obj = new stdClass;
		$obj->$value_name	= '<OPTGROUP>';
		$obj->$text_name	= $text;
		return $obj;
	}

	/**
	 * Generates just the option tags for an HTML select list
	 *
	 * @param	array	An array of objects
	 * @param	string	The name of the object variable for the option value
	 * @param	string	The name of the object variable for the option text
	 * @param	mixed	The key that is selected (accepts an array or a string)
	 * @returns	string	HTML for the select list
	 */
	function options( $arr, $key = 'value', $text = 'text', $selected = null, $translate = false )
	{
		$html = '';

		while(current($arr) !== FALSE)
		{
			$element =& $arr[key($arr)]; // since current doesn't return a reference, need to do this

			$isArray = is_array( $element );
			$extra	 = '';
			if ($isArray)
			{
				$k 		= $element[$key];
				$t	 	= $element[$text];
				$id 	= ( isset( $element['id'] ) ? $element['id'] : null );
				if(isset($element['disable']) && $element['disable']) {
					$extra .= ' disabled="disabled"';
				}
			}
			else
			{
				$k 		= $element->$key;
				$t	 	= $element->$text;
				$id 	= ( isset( $element->id ) ? $element->id : null );
				if(isset( $element->disable ) && $element->disable) {
					$extra .= ' disabled="disabled"';
				}
			}

			// This is real dirty, open to suggestions,
			// barring doing a propper object to handle it
			if ($k === '<OPTGROUP>') {
				$html .= '<optgroup label="' . $t . '">';
			} else if ($k === '</OPTGROUP>') {
				$html .= '</optgroup>';
			}
			else
			{
				//if no string after hypen - take hypen out
				$splitText = explode( " - ", $t, 2 );
				$t = $splitText[0];
				if(isset($splitText[1])){ $t .= " - ". $splitText[1]; }

				//$extra = '';
				//$extra .= $id ? ' id="' . $arr[$i]->id . '"' : '';
				if (is_array( $selected ))
				{
					foreach ($selected as $val)
					{
						$k2 = is_object( $val ) ? $val->$key : $val;
						if ($k == $k2)
						{
							$extra .= ' selected="selected"';
							break;
						}
					}
				} else {
					$extra .= ( $k == $selected ? ' selected="selected"' : '' );
				}

				//if flag translate text
				if ($translate) {
					$t = JText::_( $t );
				}

				$html .= '<option value="'. $k .'" '. $extra .'>' . $t . '</option>';
			}
			next($arr);
		}

		return $html;
	}

	/**
	 * Generates an HTML select list
	 *
	 * @param	array	An array of objects
	 * @param	string	The value of the HTML name attribute
	 * @param	string	Additional HTML attributes for the <select> tag
	 * @param	string	The name of the object variable for the option value
	 * @param	string	The name of the object variable for the option text
	 * @param	mixed	The key that is selected (accepts an array or a string)
	 * @returns	string	HTML for the select list
	 */
	function genericlist( $arr, $name, $attribs = null, $key = 'value', $text = 'text', $selected = NULL, $idtag = false, $translate = false )
	{
		if ( is_array( $arr ) ) {
			reset( $arr );
		}

		if (is_array($attribs)) {
			$attribs = JArrayHelper::toString($attribs);
		 }

		$id = $name;

		if ( $idtag ) {
			$id = $idtag;
		}

		$id		= str_replace('[','',$id);
		$id		= str_replace(']','',$id);

		$html	= '<select name="'. $name .'" id="'. $id .'" '. $attribs .'>';
		$html	.= JHTMLSelect::Options( $arr, $key, $text, $selected, $translate );
		$html	.= '</select>';

		return $html;
	}

	/**
	* Generates a select list of integers
	*
	* @param int The start integer
	* @param int The end integer
	* @param int The increment
	* @param string The value of the HTML name attribute
	* @param string Additional HTML attributes for the <select> tag
	* @param mixed The key that is selected
	* @param string The printf format to be applied to the number
	* @returns string HTML for the select list
	*/
	function integerlist( $start, $end, $inc, $name, $attribs = null, $selected = null, $format = "" )
	{
		$start 	= intval( $start );
		$end 	= intval( $end );
		$inc 	= intval( $inc );
		$arr 	= array();

		for ($i=$start; $i <= $end; $i+=$inc)
		{
			$fi = $format ? sprintf( "$format", $i ) : "$i";
			$arr[] = JHTML::_('select.option',  $fi, $fi );
		}

		return JHTML::_('select.genericlist',   $arr, $name, $attribs, 'value', 'text', $selected );
	}

	/**
	* Generates an HTML radio list
	*
	* @param array An array of objects
	* @param string The value of the HTML name attribute
	* @param string Additional HTML attributes for the <select> tag
	* @param mixed The key that is selected
	* @param string The name of the object variable for the option value
	* @param string The name of the object variable for the option text
	* @returns string HTML for the select list
	*/
	function radiolist( $arr, $name, $attribs = null, $key = 'value', $text = 'text', $selected = null, $idtag = false, $translate = false )
	{
		reset( $arr );
		$html = '';

		if (is_array($attribs)) {
			$attribs = JArrayHelper::toString($attribs);
		 }

		$id_text = $name;
		if ( $idtag ) {
			$id_text = $idtag;
		}

		for ($i=0, $n=count( $arr ); $i < $n; $i++ )
		{
			$k	= $arr[$i]->$key;
			$t	= $translate ? JText::_( $arr[$i]->$text ) : $arr[$i]->$text;
			$id	= ( isset($arr[$i]->id) ? @$arr[$i]->id : null);

			$extra	= '';
			$extra	.= $id ? " id=\"" . $arr[$i]->id . "\"" : '';
			if (is_array( $selected ))
			{
				foreach ($selected as $val)
				{
					$k2 = is_object( $val ) ? $val->$key : $val;
					if ($k == $k2)
					{
						$extra .= " selected=\"selected\"";
						break;
					}
				}
			} else {
				$extra .= ($k == $selected ? " checked=\"checked\"" : '');
			}
			$html .= "\n\t<input type=\"radio\" name=\"$name\" id=\"$id_text$k\" value=\"".$k."\"$extra $attribs />";
			$html .= "\n\t<label for=\"$id_text$k\">$t</label>";
		}
		$html .= "\n";
		return $html;
	}

	/**
	* Generates a yes/no radio list
	*
	* @param string The value of the HTML name attribute
	* @param string Additional HTML attributes for the <select> tag
	* @param mixed The key that is selected
	* @returns string HTML for the radio list
	*/
	function booleanlist( $name, $attribs = null, $selected = null, $yes='yes', $no='no', $id=false )
	{
		$arr = array(
			JHTML::_('select.option',  '0', JText::_( $no ) ),
			JHTML::_('select.option',  '1', JText::_( $yes ) )
		);
		return JHTML::_('select.radiolist',  $arr, $name, $attribs, 'value', 'text', (int) $selected, $id );
	}
}