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Create Multiple Options Per Forum (via Bitfields)
akanevsky
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akanevsky akanevsky is offline 05-21-2006, 10:00 PM
Create Multiple Options Per Forum (via Bitfields)

This How-To should serve as a reference to coders, who have a basic knowledge of PHP and who want to make their own mods.
Help on writing hacks will NOT be provided, and any such posts will be ignored.

Whereever it says mybitoptionsfield, you'll need to replace that with the actual fieldname that you are going to use.
  • The following step is to create bitfield xml for vBulletin.
    Create a file named bitfield_myproductid.xml, where myproductid is the id of your product, with the following content, in ./includes/xml/:
    Note: In the <bitfield> tag, name="" must contain the desired title of the option. You are going to use that title to access the options later on. The title must contain ALPHANUMBERIC characters only, and it should not contain spaces. The digit in between the opening and closing <bitfield> tags is the bit value. Each consecutive bit value must be 2 x (Previous Value). Sample valid sequence: 1, 2, 4, 8, 16, 32.
    PHP Code:
    <?xml version="1.0" encoding="ISO-8859-1"?>

    <bitfields product="myproductid">
        <bitfielddefs>
            <group name="misc">
                <group name="mybitoptionsfield">
                    <bitfield name="option1">1</bitfield>
                    <bitfield name="option2">2</bitfield>
                </group>
            </group>
        </bitfielddefs>
    </bitfields>
  • The following step is to define installation process of the bitfield in your product.
    Create a new product and add the following codes as install and uninstall, respectively:

    PHP Code:
    $db->hide_errors();

    $db->query_write("ALTER TABLE `" . TABLE_PREFIX . "forum` ADD `mybitoptionsfield` INT( 10 ) UNSIGNED NOT NULL DEFAULT '0'");

    require_once(    DIR . '/includes/class_bitfield_builder.php'); 
    $myobj =& vB_Bitfield_Builder::init();
    $myobj->save($db);
    build_forum_permissions(); 

    $db->show_errors(); 
    PHP Code:
    $db->hide_errors();

    $db->query_write("ALTER TABLE `" . TABLE_PREFIX . "forum` DROP `mybitoptionsfield`");

    require_once(    DIR . '/includes/class_bitfield_builder.php'); 
    $myobj =& vB_Bitfield_Builder::init();
    $myobj->save($db);
    build_forum_permissions(); 

    $db->show_errors(); 
  • The following step is to have the new options fetched together with foruminfo.
    Create a plugin @ fetch_foruminfo with the following code:

    PHP Code:
    if (isset($vbulletin->bf_misc['mybitoptionsfield']))
    {
        foreach (    $vbulletin->bf_misc['mybitoptionsfield'] AS $optionname => $optionval)
        {
                $vbulletin->forumcache["$forumid"]["$optionname"] = (($vbulletin->forumcache["$forumid"]['mybitoptionsfield'] & $optionval) ? 1 : 0);
        }
    } 
  • The following step is to add new options to AdminCP User Manager.
    Create a plugin @ forumadmin_edit_form with the following code:

    PHP Code:
    if (isset($vbulletin->bf_misc['mybitoptionsfield']))
    {
            print_table_header('MYHEADING');

            print_yes_no_row('MYOPTION1', 'mybitoptionsfield[option1]', $forum['option1']);
            print_yes_no_row('MYOPTION2', 'mybitoptionsfield[option2]', $forum['option2']);
    } 
  • The following step is to have the new options saved when the button is clicked.
    Create a plugin @ forumadmin_update_save with the following code:

    PHP Code:
    if (isset($vbulletin->bf_misc['mybitoptionsfield']))
    {
            $vbulletin->input->clean_gpc('p', 'mybitoptionsfield', TYPE_ARRAY_BOOL);
        
        foreach (    $vbulletin->GPC['mybitoptionsfield'] AS $key => $val)
        {
            if (isset(    $vbulletin->GPC['mybitoptionsfield']["$key"]))
            {
                    $forumdata->set_bitfield('mybitoptionsfield', $key, $val);
            }
        }
    } 
  • The following step is to have the new bitfield added to the vBulletin_Forum_Dm.
    Create a plugin @ forumdata_start with the following code:

    PHP Code:
    if (isset($this->registry->bf_misc['mybitoptionsfield']))
    {
            $this->bitfields["mybitoptionsfield"] =& $this->registry->bf_misc['mybitoptionsfield'];
    } 

Once done, rebuild your btifields.
Now, you should be able to access the new options simply by using $foruminfo['mybitoptiontitle'].

>> EOD
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  #2  
Old 05-22-2006, 01:16 PM
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amykhar amykhar is offline
 
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Thanks for taking the time to write this up
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  #3  
Old 05-22-2006, 05:46 PM
Logikos Logikos is offline
 
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Thanks alot Anthony!

/me bookmarks!
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  #4  
Old 05-22-2006, 08:24 PM
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ronoxQ ronoxQ is offline
 
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What do you mean by Multiple Options?
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Old 05-22-2006, 08:31 PM
akanevsky akanevsky is offline
 
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Quote:
Originally Posted by ronoxQ
What do you mean by Multiple Options?
I mean "two or more options held in a single database field".
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  #6  
Old 05-22-2006, 10:47 PM
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ronoxQ ronoxQ is offline
 
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Quote:
Originally Posted by Psionic Vision
I mean "two or more options held in a single database field".
Hmm... I'm still a tad confused. What options do forums have?
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  #7  
Old 05-22-2006, 11:09 PM
akanevsky akanevsky is offline
 
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This tutorial is about creating new options, therefore forums WILL have whatever options you add using this tutorial, given you do it correctly
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  #8  
Old 06-25-2006, 06:22 PM
rogersnm rogersnm is offline
 
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it's just giving me sql errors is this for 3.5.x or 3.0.x
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  #9  
Old 06-25-2006, 06:47 PM
akanevsky akanevsky is offline
 
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This is for 3.5.x.
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  #10  
Old 06-25-2006, 06:48 PM
rogersnm rogersnm is offline
 
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i wonder why it doesn't work then.
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