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✏️ Editing: jscombo.php

<?php

/*
 *  copyright (C) 2009, 2010 Paolo Casaschi
 *  for credits, license and more details
 */

defined('JPATH_BASE') or die;

jimport('joomla.form.formfield');

/**
 * Form Field class for the Joomla Framework.
 *
 * @package		Joomla.Framework
 * @subpackage	Form
 * @since		1.6
 */
class JFormFieldJSCombo extends JFormFieldList
{
	/**
	 * The form field type.
	 *
	 * @var		string
	 * @since	1.6
	 */
	protected $type = 'JSCombo';

/**
	 * Method to get the field input markup.
	 *
	 * @return	string	The field input markup.
	 * @since	1.6
	 */
	protected function getInput()
	{
		global $JElementJSComboJSWritten;
		if (!$JElementJSComboJSWritten) 
		{
                        $jsFile = dirname(__FILE__) . DS . "jscombobox.js";
                        $jsUrl = str_replace(JPATH_ROOT, JURI::root(true), $jsFile);
                        $jsUrl = str_replace(DS, "/", $jsUrl);

$document	= JFactory::getDocument();
			$document->addScript( $jsUrl );
		     $document->addstylesheet( str_replace('jscombobox.js','jscombobox.css',$jsUrl ));
			
			$JElementJSComboJSWritten = TRUE;
		}

$html = array();
		$attr = '';

// Initialize some field attributes.
		$attr .= $this->element['class'] ? ' class="combobox '.(string) $this->element['class'].'"' : ' class="combobox"';

// To avoid user's confusion, readonly="true" should imply disabled="true".
		if ( (string) $this->element['readonly'] == 'true' || (string) $this->element['disabled'] == 'true') {
			$attr .= ' disabled="disabled"';
		}

$attr .= $this->element['size'] ? ' size="'.(int) $this->element['size'].'"' : '';

// Initialize JavaScript field attributes.
		$attr .= $this->element['onchange'] ? ' onchange="'.(string) $this->element['onchange'].'"' : '';

// Get the field options.
		$options = (array) $this->getOptions();
		
		//store saved value for textbox
		$attr .= $this->value ? ' data-value="' . $this->value .'"' :'';

// Create a regular list.
		$html[] = JHtml::_('select.genericlist', $options, $this->name, trim($attr), 'value', 'text', $this->value, $this->id);

return implode($html);
	}
}

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