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Tips & Tricks

How to: show/hide a widget in WordPress with jQuery

In a previous post I talked about how to show/hide a single div html code with a search inside. Today I’d like to show you how I implemented jQuery into my new theme.

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As seen in the current theme, I am using jQuery to animate the show/hide or as known as the css style display: none;.

Since I am using a custom child theme on my site, and have Hybrid theme as my parent, the widgets or sidebar section is different than may be in your theme. But just apply the the style’s as follows to your theme.

First make sure that your WordPress site is calling jQuery, by plugging in this code into your header.php file above the <?php wp_head(); ?> text:

<?php wp_enqueue_script('jquery'); ?>

Then anywhere above the </head >, plug this code in:

<script type="text/javascript">
function toggleWidgets() {
	$('#primary h3.widget-title').addClass('plus');

	$('#primary h3.widget-title').click(function() {
		$(this).toggleClass('plus').toggleClass('minus').next().toggle(180);
	});

}
$(document).ready(function() {
	toggleWidgets();
}
</script>

That’s it. Pretty simple huh.

So lets go over what the code does.

$('#primary h3.widget-title').addClass('plus');

This line finds all <h3> tags with the class widget-title inside the ID parameter of #primary and adds a class of plus.

Then

$('#primary h3.widget-title').click(function() {
		$(this).toggleClass('plus').toggleClass('minus').next().toggle(180);
	});

Will apply a click function. When the H3 tag is clicked it will remove the class plus and add the class minus.

Then the code that says .next will then toggle the “next” element after the <h3> title.

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9 Comments

9 Comments

  1. Rolograaf

    July 29, 2009 at 5:59 am

    Tried this, saw the javascript in the source of my blog, but the plus class was not added and click function not activated. Any idears what I could have done wrong?

    • Alik

      September 14, 2009 at 7:27 am

      Same problem here. In Firebug th script is there, but the class is not added to h3 widget class inside div ID primary.

      Any ideas?

  2. Pingback: 30 Tutorials Combining Both Wordpress and jQuery : Speckyboy Design Magazine

  3. Pingback: 30 Tutorials Combining Both Wordpress and jQuery | Coyot [at] CanalCoffee.com : WordPress

  4. Pingback: 30 tutorial para utilizar jQuery en nuestro Wordpress | code

  5. Pingback: 20+ jQuery and Wordpress Tutorials – A Match Made in Heaven

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Tips & Tricks

WordPress Security Hacks

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By

Hi guys this is my first post on wpcult the great site Austin built.  Hope you guys find it usefull.

If you run a blog using the wordpress software then your blog is a target to hackers.  Below I will list some hacks and just how they can help you keep your business/site safe.

The following is  code to Block Bad Queries and protect your blog from malicious URL Requests.

Place the following code into a text file and name it what ever you like for example blockbadqueries.php upload it to your plugin folder and activate it in your wordpress admin just as you would any other Plugin

<?php
/*
Plugin Name: Block Bad Queries
Plugin URI:
http://perishablepress.com/press/2009/12/22/protect-wordpress-against-malicious-url-requests/
Description: Protect WordPress Against Malicious URL Requests
Author URI:
http://perishablepress.com/
Author: Perishable Press
Version: 1.0
*/
global $user_ID; if($user_ID) {
  if(!current_user_can(‘level_10’)) {
    if (strlen($_SERVER[‘REQUEST_URI’]) > 255 ||
      strpos($_SERVER[‘REQUEST_URI’], “eval(“) ||
      strpos($_SERVER[‘REQUEST_URI’], “CONCAT”) ||
      strpos($_SERVER[‘REQUEST_URI’], “UNION+SELECT”) ||
      strpos($_SERVER[‘REQUEST_URI’], “base64”)) {
        @header(“HTTP/1.1 414 Request-URI Too Long”);
 @header(“Status: 414 Request-URI Too Long”);
 @header(“Connection: Close”);
 @exit;
    }
  }
}
?>

 This Great plugin was made by Jeff Starr of Digging into WordPress

 

 

Protecting your blog with .htaccess 

.htaccess files have lots of possibilities. below is some code that will help protect your wordpress from modification of _REQUEST and/or GLOBALS and scripts injection.

 This is real simple just paste the following code into your .htaccess file. Always make a backup of your .htaccess before editing, better to be safe.

Options +FollowSymLinks
RewriteEngine On
RewriteCond %{QUERY_STRING} (\<|%3C).*script.*(\>|%3E) [NC,OR]
RewriteCond %{QUERY_STRING} GLOBALS(=|\[|\%[0-9A-Z]{0,2}) [OR]
RewriteCond %{QUERY_STRING} _REQUEST(=|\[|\%[0-9A-Z]{0,2})
RewriteRule ^(.*)$ index.php [F,L]

 

Thanks to Oussama for this great hack

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Tips & Tricks

How to: Create a fbshare.me shortcode

Social networks are everywhere. I am sure you’re on facebook. Well why not at a facebook share script to your site?

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Don’t know PHP that well?

Well here is a simple way to add a share script like fbshare.me to your site, via shortcodes.

Paste the following code in your functions.php file in order to create your shortcode:

function fbshare_script() {
     return '<div class="fbshare"><script src="http://widgets.fbshare.me/files/fbshare.js"></script></div>';
}
add_shortcode( 'fbshare', 'fbshare_script' );

Once done, you can display the facebook share button anywhere on your posts. In WordPress editor, make sure you are in HTML mode and insert the following: [fbshare].

When your post will be published, the shortcode will be replaced by the fbshare.me button.

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Tips & Tricks

Turn your RSS feed into a shortcode

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Last week I wrote how to “Use WordPress to print a RSS feed for Eventbrite attendees“. It was pretty popular, but then I found myself in a place that was more annoying. Trying to incorporate that into a blog post or page.

Without having to download a plugin that will allow PHP to be executed inside a post, I would have to create a template file and use that. Which is what I did, and it works just fine. But for some reason I forgot all about shortcodes! With a shortcode, I could generate all the PHP in the functions file and then just call the shortcode when/where I want.

Okay, so lets show the completed PHP code:

function attendee_feed_print_2009() {
 global $wpdb;
 include_once( ABSPATH . WPINC . '/rss.php' );
 $rss = fetch_rss( 'http://www.eventbrite.com/rss/event_list_attendees/384870157' );
 $items = array_slice( $rss->items, 0 );
 if ( empty( $items ) ) echo '<ul style="list-style-type: none; list-style-image: none; list-style-position: outside;"><li>No items</li></ul>';

 else

 foreach ( $items as $item ) : ?>
 <ul style="list-style-type:none; list-style-image:none; list-style-position:outside; margin-bottom: 0px">
 <li><!--<strong><?php echo $item[ 'title' ]; //User name ?></strong><br />-->

 <?php echo $item[ 'content' ][ 'encoded' ]; ?>

 <hr style="border: 1px solid #ddd; margin-bottom: 8px" />
 </li>
 </ul>
 <?php endforeach;
}

Now, this code has to be changed for it to work as a shortcode. We’ll have to return the function and not print/echo it.

I also wanted to be able to use multiple instances of the code with different feeds. To do so I had to create a argument to extract from the completed short code. I found a demo at: Alex Mansfield’s post.

Remember this:

function attendee_feed_print_2009() {
 global $wpdb;
 include_once( ABSPATH . WPINC . '/rss.php' );
 $rss = fetch_rss( 'http://www.eventbrite.com/rss/event_list_attendees/384870157' );

We are going to update it to read as follows ( changes in bold ) :

function attendee_feed_print_2009( $rss_nbr ) {
 global $wpdb;
 extract( shortcode_atts( array( 'rss' => ''), $rss_nbr ) );
 include_once( ABSPATH . WPINC . '/rss.php' );
 $rss = fetch_rss( $rss );

And the final code with the fields updated to return the arguments ( put into your functions.php file ( in between <?php ?> ) ) :

function attendee_feed_print_2009( $rss_nbr ) {
  global $wpdb;
  extract( shortcode_atts( array( 'rss' => ''), $rss_nbr ) );
  include_once( ABSPATH . WPINC . '/rss.php' );
  $rss = fetch_rss( $rss );
  $items = array_slice( $rss->items, 0 );
  
  $rss_html = '<div id="eventbrite-attendee-list" style="clear:both;">';
  
  if ( empty( $items ) ) $rss_html .= '<ul style="list-style:none;"><li>No attendees, yet.</li></ul>';

  else

  foreach ( $items as $item ) :

  $rss_html .= '<ul style="background:none; list-style:none; margin:0px">';
  $rss_html .= '<li style="background:none; list-style:none;">';
  $rss_html .= $item[ 'content' ][ 'encoded' ];
    
  $rss_html .= '<hr style="border: 1px solid #ddd; margin-bottom: 10px" />';
  $rss_html .= '</li>';
  $rss_html .= '</ul>';
  
  endforeach;

  $rss_html .= '</div>';

  return $rss_html;
  }

And lets not forget to add the shortcode function!

add_shortcode( 'eventbrite-attendees', 'attendee_feed_print_2009' );

Final outcome with look like this `[eventbrite-attendees rss="http://your-rss-feed.com/"]`

I’ve created this into a plugin!

Download the plugin: http://wordpress.org/extend/plugins/eventbrite-attendees-shortcode/

Incoming search terms:

  • rss В shortkode
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