source: branches/XPressMU/xpressme_integration_kit/blocks/widget_block.php

<?php
if( ! defined( 'XOOPS_ROOT_PATH' ) ) exit ;
$mydirname = basename( dirname( dirname( __FILE__ ) ) ) ;

eval( '
function b_'.$mydirname.'_widget_show($options){
        return _b_widget_show($options) ;
}
function b_'.$mydirname.'_widget_edit($options){
        return _b_widget_edit($options) ;
}
' ) ;

if( ! defined( 'XPRESS_WIDGET_BLOCK_INCLUDED' ) ) {
        define( 'XPRESS_WIDGET_BLOCK_INCLUDED' , 1 ) ;
        
        function _b_widget_edit($options)
        {
                $mydirname = empty( $options[0] ) ? 'xpress' : $options[0] ;
                $this_template = empty( $options[1] ) ? 'db:'.$mydirname.'_widget_block.html' : trim( $options[1] );
                $title_show = empty( $options[2] ) ? false : true ;
                $widget_select = empty( $options[3] ) ? '' : $options[3] ;

                $selected = explode(',' , $widget_select);

                if ($mydirname == 'wordpress'){
                        $wp_prefix = 'wp_';
                } else {
                        $wp_prefix = $mydirname . '_';
                }
                $xoopsDB =& Database::getInstance();
                $myts =& MyTextSanitizer::getInstance();

                $db_xpress_options = $xoopsDB->prefix($wp_prefix . 'options');
                $query = "SELECT option_value FROM $db_xpress_options WHERE option_name = 'sidebars_widgets' LIMIT 1";
                $res =  $xoopsDB->query($query, 0, 0);
            if ($res !== false){
                        $row = $xoopsDB->fetchArray($res);
                        $sidebars_widgets = @unserialize( $row['option_value'] );
                }
                if ( !isset($sidebars_widgets['array_version']) )
                        $sidebars_widgets['array_version'] = 1;
                
                
                require_once(XOOPS_ROOT_PATH.'/modules/'.$mydirname.'/blocks/block_common.php');

                $form  = "MyDirectory <input type='text' name='options[0]' value='" . $mydirname . "' /><br />";
                $form .= block_template_setting($mydirname,'options[1]',htmlspecialchars($this_template,ENT_QUOTES));
                $form .= "<br />" . yes_no_radio_option('options[2]', _MB_XP2_WIDGET_TITLE_SHOW , $title_show);
                $form .= "<br />";
                $form .= _MB_XP2_SELECT_WIDGET .":<br />\n";
        $form .= "<input type='hidden' name='options[3]' value='$widget_select' />\n";

                $select = "&nbsp;&nbsp;&nbsp;<select name='widget_sel' multiple=\"multiple\" onclick=\"WidgetSelect()\">\n";
                $found = false;
                foreach ( (array) $sidebars_widgets as $index => $sidebar ){
                        if ( is_array($sidebar) ){
                                $sidebar_id = $index;
                                foreach ( (array) $sidebar as $i => $name ) {
                                        $found = true;
                                        $widget = strtolower($name);
                                        $widget_str = $sidebar_id . '::' . $widget;
                                        if (in_array($widget_str, $selected))
                                                $select .=  "<option value='" .  $widget_str . "' selected='selected'>" . $widget_str;
                                        else
                                                $select .=  "<option value='" . $widget_str . "'>" . $widget_str;
                                        
                                }
                        }
                }

                $select .=  "</select><br/>\n";
    $select .= '
<script type="text/javascript">
    function WidgetSelect(){
        var idx=new Array();
        var sel=document.forms["blockform"].elements["widget_sel"].options;
        for(var i=0, n=0; i<sel.length; i++){
            if(sel[i].selected){ idx[n++]=sel[i].value; }
        }
        if(idx.length>0){
                document.forms["blockform"].elements["options[3]"].value = idx;
                }
    }
</script>
';
                
                if ($found){
                        $form = $form . $select;
                } else {
                        $form = $form . "&nbsp;&nbsp;&nbsp;" . _MB_XP2_NO_WIDGET;
                }
                
                return $form;
        }
        
        function _b_widget_show($options)
        {
                $mydirname = empty( $options[0] ) ? 'xpress' : $options[0] ;
                $mydirpath = XOOPS_ROOT_PATH . '/modules/' . $mydirname;
                $block_function_name = basename( __FILE__ );
                
                require_once $mydirpath.'/include/xpress_block_render.php';
                return xpress_block_render($mydirname,$block_function_name,$options);
        }
}
?>