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✏️ Editing: addselectlist.php

<?php
/*------------------------------------------------------------------------
# Copyright (C) 2005-2012 WebxSolution Ltd. All Rights Reserved.
# @license - GPLv2.0
# Author: WebxSolution Ltd
# Websites:  http://www.webxsolution.com
# Terms of Use: An extension that is derived from the JoomlaCK editor will only be allowed under the following conditions: http://joomlackeditor.com/terms-of-use
# ------------------------------------------------------------------------*/

defined( '_JEXEC' ) or die;
defined('JPATH_BASE') or die;

jimport('joomla.form.formfield');
jimport('joomla.form.helper');
JFormHelper::loadFieldClass('list');

class JFormFieldAddSelectList extends JFormField
{
	protected $type = 'AddSelectList';

protected function getInput()
	{
		global $JElementAddSelectListJSWritten;
		if (!$JElementAddSelectListJSWritten) 
		{
			$jsFile = dirname(__FILE__) . DS . "addselectlist.js";
			$jsUrl = str_replace(JPATH_ROOT, JURI::root(true), $jsFile);
			$jsUrl = str_replace(DS, "/", $jsUrl);

$document = JFactory::getDocument();
			$document->addScript( $jsUrl );

$JElementAddSelectListJSWritten = TRUE;
		}

// Initialize variables.
		$html = array();
		$attr = '';

$name = $this->name;
        $id = $this->id;

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

// 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'] . '"' : ' size="12"';
		$attr .= ' multiple="multiple"';

// Initialize JavaScript field attributes.
		$attr .= $this->element['onchange'] ? ' onchange="' . (string) $this->element['onchange'] . '"' : ' onchange="updateOption(this,document.adminForm.'.$id.'_inputvalue);"' ;
		$attr .= ' style="width:150px"';

// Get the field options.
		$options = (array) $this->getOptions();
		$html[] = JHtml::_('select.genericlist', $options, $this->name.'[]', trim($attr), 'value', 'text', '', $this->id);

return
		'<table border="0" cellpadding="10" cellspacing="0" width="250">
		<tr>
			<td>Value<br/>
				<input type="'.$id.'_inputvalue" id="input" name="'.$id.'_inputvalue" style="min-width:150px;"/>
			</td>
			<td valign="bottom">
				<input type="button" class="btn" value="Add" onclick="addToList(document.getElementById(\''.$id.'\'),document.adminForm.'.$id.'_inputvalue.value,document.adminForm.'.$id.'_inputvalue.value);" />
			</td>
		</tr>	
		<tr>
			<td>
				'.implode($html).'		
			</td>
			<td valign="top">
				<input type="button" class="btn" value="Modify" onclick="modifyList(document.getElementById(\''.$id.'\'),document.adminForm.'.$id.'_inputvalue.value,document.adminForm.'.$id.'_inputvalue.value);" />
				<br /><br />
				<input type="button" class="btn" value="Up" onclick="moveUpList(document.getElementById(\''.$id.'\'))" />
				<br /><br />
				<input type="button" class="btn" value="Down" onclick="moveDownList(document.getElementById(\''.$id.'\'))" />
			</td>
		</tr>
		<tr>
			<td colspan="2">
				<input type="button" class="btn" value="Delete" onclick="removeFromList(document.getElementById(\''.$id.'\'));" />
			</td>
		</tr>
		</table>
        <script language="javascript">
 			// Unload bootstrap select list
			if( jQuery )
			{
				jQuery(document).ready(function()
				{
					jQuery( "#'.$id.'_chzn" ).remove();
					jQuery( "#'.$id.'" ).css( "display", "block" );
					jQuery( "#'.$id.'" ).css( "width", "215px" );
				});
			}

document.adminForm.addEvent("submit", function()
            {
				var oSelect = document.id("'.$id.'");
				oOptions = oSelect.getElements("option");

if(oOptions)
				{
					$$(oOptions).each(function(elem)
					{
						elem.setAttribute( "selected", "selected" );
						elem.selected = true;
					});
				}
                return true;
           });
        </script>';
	}

protected function getOptions()
	{
		// Initialize variables.
		$options = array();

if(empty($this->value))
		{
			foreach ($this->element->children() as $option)
			{
				// Only add <option /> elements.
				if ($option->getName() != 'option')
				{
					continue;
				}

// Create a new option object based on the <option /> element.
				$tmp = JHtml::_(
					'select.option', (string) $option['value'],
					JText::alt(trim((string) $option), preg_replace('/[^a-zA-Z0-9_\-]/', '_', $this->fieldname)), 'value', 'text',
					((string) $option['disabled'] == 'true')
				);

// Add the option object to the result set.
				$options[] = $tmp;
			}
		}
		else
		{
            $elements = $this->value;

foreach ($elements as $option)
			{
				// Only add <option /> elements.
			    $tmp=  JHTML::_('select.option', $option, $option ,'value','text',false);
            	// Add the option object to the result set.
				$options[] = $tmp;
			}
		}
		reset($options);

return $options;
	}
}

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