<?php
/**
 * Element: Text Area Plus
 * Displays a text area with extra options
 *
 * @package     NoNumber! Elements
 * @version     2.3.1
 *
 * @author      Peter van Westen <peter@nonumber.nl>
 * @link        http://www.nonumber.nl
 * @copyright   Copyright © 2011 NoNumber! All Rights Reserved
 * @license     http://www.gnu.org/licenses/gpl-2.0.html GNU/GPL
 */

// Ensure this file is being included by a parent file
defined( '_JEXEC' ) or die( 'Restricted access' );

/**
 * Text Area Plus Element
 */
class JElementTextAreaPlus extends JElement
{
	/**
	 * Element name
	 *
	 * @access	protected
	 * @var		string
	 */
	var	$_name = 'TextAreaPlus';

	function fetchTooltip( $label, $description, &$node, $control_name, $name )
	{
		$example =	$node->attributes( 'example' );

		$html = '<label id="'.$control_name.$name.'-lbl" for="'.$control_name.$name.'"';
		if ( $description ) {
			$html .= ' class="hasTip" title="'.JText::_( $label ).'::'.JText::_( $description ).'">';
		} else {
			$html .= '>';
		}
		$html .= JText::_( $label ).'</label>';

		if( $example ) {
			$el = 'document.getElementById( \''.$control_name.$name.'\' )';
			$onclick = $el.'.value = \''.str_replace( "'", "\'", $example ).'\n\'+'.$el.'.value;'
				.'this.blur();return false;';
			$html .= '<br clear="all" />';
			$html .= '<div class="button2-left" style="float:right;margin-top:5px;"><div class="blank"><a href="javascript://;" onclick="'.$onclick.'">'.JText::_( 'Example' ).'</a></div></div>'."\n";
		}

		return $html;
	}

	function fetchElement( $name, $value, &$node, $control_name )
	{
		$resize =		$node->attributes( 'resize' );
		$width =		$this->def( $node->attributes( 'width' ), 400 );
		$minwidth =		$this->def( $node->attributes( 'minwidth' ), 200 );
		$minwidth =		min( $width, $minwidth );
		$maxwidth =		$this->def( $node->attributes( 'maxwidth' ), 1200 );
		$maxwidth =		max( $width, $maxwidth );
		$height =		$this->def( $node->attributes( 'height' ), 80 );
		$minheight =	$this->def( $node->attributes( 'minheight' ), 40 );
		$minheight =	min( $height, $minheight );
		$maxheight =	$this->def( $node->attributes( 'maxheight' ), 600 );
		$maxheight =	max( $height, $maxheight );
		$class =		$this->def( $node->attributes( 'class' ), 'text_area' );
		$class =		'class="'.$class.'"';
		$type =			$node->attributes( 'texttype' );

		if( $resize ) {
			require_once JPATH_PLUGINS.DS.'system'.DS.'nonumberelements'.DS.'helpers'.DS.'functions.php';
			$this->functions =& NNFunctions::getFunctions();
			$mt_version = $this->functions->getJSVersion();

			$document =& JFactory::getDocument();
			$document->addScript( JURI::root(true).'/plugins/system/nonumberelements/elements/textareaplus/textareaplus'.$mt_version.'.js' );
			$document->addStyleSheet( JURI::root(true).'/plugins/system/nonumberelements/elements/textareaplus/textareaplus.css' );
			// not for Safari (and other webkit browsers) because it has its own resize option
			$script = 'window.addEvent( \'domready\', function() {'
				.' if ( !window.webkit ) {'
					.' new TextAreaResizer( \''.$control_name.$name.'\', { \'min_x\':'.$minwidth.', \'max_x\':'.$maxwidth.', \'min_y\':'.$minheight.', \'max_y\':'.$maxheight.' } );'
				." }"
			." });";
			$document->addScriptDeclaration( $script );
		}

		if ( $type == 'html' ) {
			// Convert <br /> tags so they are not visible when editing
			$value = str_replace( '<br />', "\n", $value );
		} else if ( $type == 'regex' ) {
			// Protects the special characters
			$value = str_replace( '[:REGEX_ENTER:]', '\n', $value );
		}

		return '<textarea name="'.$control_name.'['.$name.']" cols="'.( round( $width / 7.5 ) ).'" rows="'.( round( $height / 15 ) ).'" style="width:'.$width.'px;height:'.$height.'px" '.$class.' id="'.$control_name.$name.'" >'.$value.'</textarea>';
	}

	function def( $val, $default )
	{
		return ( $val == '' ) ? $default : $val;
	}
}