/add-ons/smarty/plugins/function.html_dualselect.php

<?php
/**
 * Smarty plugin
 * @package Smarty
 * @subpackage actindo_plugins
 */


/**
 * Smarty {html_dualselect} function plugin
 *
 * File:       function.html_dualselect.php<br>
 * Type:       function<br>
 * Name:       html_dualselect<br>
 * Date:       29.Nov.2005<br>
 * Purpose:    Print out two selectboxes with buttons<br>
 * Input:<br>
 *           - options    (required) - associative array
 *           - selected   (optional) - array default not set
 *           - name       (optional) - string default "dualselect"
 *           - size       (optional) - int default 20
 *           - width      (optional) - width of whole control, default 400
 *           - js_check_fcn (optional) - javascript function to call on add or remove from left list  [ function xyz( action, listname, option ) ]
 * Examples:
 * <pre>sc
 * {html_dualselect options=$ids output=$names}
 * {html_dualselect options=$ids name='box'}
 * </pre>
 * @todo: DHTML Version
 * @author Patrick Prasse <pprasse@actindo.de>
 * @version $Revision: 1.4 $
 * @param array
 * @param Smarty
 * @return string
 * @uses smarty_function_escape_special_chars()
 */
function smarty_function_html_dualselect($params, &$smarty)
{
  require_once $smarty->_get_plugin_filepath('shared','escape_special_chars');
  require_once $smarty->_get_plugin_filepath('shared','get_var');
  require_once $smarty->_get_plugin_filepath('function','png_image');
  require_once $smarty->_get_plugin_filepath('function','html_select');   // for smarty_function_html_select_option

  $name = 'dualselect';
  $options = null;
  $selected = null;
  $extra = '';
  $size = 20;
  $width = 400;
  $js_check_fcn = null;

  foreach($params as $_key => $_val)
  {
    switch($_key)
    {
      case 'extra':
      case 'name':
      case 'js_check_fcn':
        $$_key = $_val;
        break;

      case 'size':
      case 'width':
        $$_key = (int)$_val;
        break;

      case 'options':
        $$_key = (array)$_val;
        break;

      case 'selected':
        $selected = array_values((array)$_val);
        break;

      default:
        if(!is_array($_val))
        {
          $extra .= ' '.$_key.'="'.smarty_function_escape_special_chars($_val).'"';
        }
        else
        {
          $smarty->trigger_error("html_select: extra attribute '$_key' cannot be an array", E_USER_NOTICE);
        }
        break;
    }
  }

  if( !isset($id) )
    $id = strtr( $name, array(']['=>'_', ']_'=>'_', '_['=>'_', '['=>'_', ']'=>'_') );
  if( !isset($js_check_fcn) )
    $js_check_fcn = 'check_'.$id;

  if( !isset($selected) )
    $selected = smarty_function_get_var( $name, $smarty );

  if (!isset($options))
    return ''; /* raise error here? */

  settype($selected, 'array');

  $_html_result = '<table border="0" width="'.$width.'"><tr><td width="45%">';
  $width = ($width-40)/2;
  $_html_result .= '<select name="'.smarty_function_escape_special_chars($name.'_sel').'" '.$extra.' multiple="multiple" size="'.$size.'" style="width: '.$width.'px;">';
  foreach( $options as $_key => $_val )
  {
    if( !in_array($_key,$selected) )
      continue;
    $_html_result .= smarty_function_html_select_option($name, $_key, $_val, array(), $extra);
  }
  $_html_result .= '</select></td>';

  $_html_result .= '<td>';
  $_html_result .= '<button class="btn" style="width: 40px;" type="button" name="'.$name.'_add" onClick="dualselect(\'add\',\''.$name.'\')">'.smarty_function_png_image( array('src'=>'images/toolbar/nav_left.png'), $smarty ).'</button>';
  $_html_result .= '<br><br>';
  $_html_result .= '<button class="btn" style="width: 40px;" type="button" name="'.$name.'_del" onClick="dualselect(\'del\',\''.$name.'\')">'.smarty_function_png_image( array('src'=>'images/toolbar/nav_right.png'), $smarty ).'</button>';
  $_html_result .= '</td><td width="45%">';

  $_html_result .= '<select name="'.smarty_function_escape_special_chars($name.'_opts').'" '.$extra.' multiple="multiple" size="'.$size.'" style="width: '.$width.'px;">';
  foreach( $options as $_key => $_val )
  {
    if( in_array($_key,$selected) )
      continue;
    $_html_result .= smarty_function_html_select_option($name, $_key, $_val, array(), $extra);
  }
  $_html_result .= '</select>';

  $_html_result .= "</td></tr></table>\n";
  $_html_result .= <<<JSCODE
\n<script language="JavaScript" type="text/javascript">
function dualselect( action, listname )
{
  var sel = document.getElementsByName( listname+'_sel' )[0];
  var opts = document.getElementsByName( listname+'_opts' )[0];
  var i;

  if( action == 'del' )
  {
    for( i=sel.options.length-1; i>=0; i-- )
    {
      if( sel.options[i].selected && (!window.{$js_check_fcn} || window.{$js_check_fcn}(action,listname,sel.options[i])) )
      {
        opts.options[opts.options.length] = new Option( sel.options[i].text, sel.options[i].value );
        sel.options[i] = null;
      }
    }
  }
  else
  {
    for( i=opts.options.length-1; i>=0; i-- )
    {
      if( opts.options[i].selected && (!window.{$js_check_fcn} || window.{$js_check_fcn}(action,listname,opts.options[i])) )
      {
        sel.options[sel.options.length] = new Option( opts.options[i].text, opts.options[i].value );
        opts.options[i] = null;
      }
    }
  }
}
</script>\n
JSCODE;

  return $_html_result;
}


?>