collapse-o-matic.php

<?php
/*
Plugin Name: jQuery Collapse-O-Matic
Plugin URI: http://plugins.twinpictures.de/plugins/collapse-o-matic/ Description: Collapse-O-Matic adds an [expand] shortcode that wraps content into a lovely, jQuery collapsible div.  Version: 1.4.9 Author: twinpictures, baden03 Author URI: http://twinpictures.de/
License: GPL2

*/

/*  Copyright 2012 Twinpictures (www.twinpictures.de)

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License, version 2, as
    published by the Free Software Foundation.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
*/



/* AA 20121031 Stolen from j-shortcodes.
    Allows nesting of the expand shortcodes by adding "=" to the front of the nested ones.
    ie.
    [expand ...]
        [=expand ...]
            [==expand ...]
            [==/expand]
        [=/expand]
    [/expand]
 */
function recursive__do_shortcode ($content)
{
  // Quick test for presence of possibly nested shortcodes
    if (strpos ($content, '[=') !== FALSE)
  {
        // remove one '=' --> un-nest one level
    $content = preg_replace ('@(\[=*)=(e|/)@', "$1$2", $content);
  }
  return do_shortcode ($content);
}


function collapsTronicInit() {
    wp_enqueue_script('jquery');
    if (!is_admin()){
        //collapse script
        wp_register_script('collapseomatic-js', plugins_url('/collapse.min.js', __FILE__), array('jquery'), '1.4.9');
        //wp_register_script('collapseomatic-js', plugins_url('/collapse.js', __FILE__), array('jquery'), '1.4.9');
        wp_enqueue_script('collapseomatic-js');

            //css
        wp_register_style( 'collapseomatic-css', plugins_url('/style.css', __FILE__) , array (), '1.5.2' );
        wp_enqueue_style( 'collapseomatic-css' );
    }

    add_shortcode('expand', 'collapsTronic');

    for ($i=1; $i<30; $i++) {
        add_shortcode('expandsub'.$i, 'collapsTronic');
    }

    //add the filter to the sidebar widgets
    add_filter('widget_text', 'do_shortcode');
}
add_action('init', 'collapsTronicInit');


function collapsTronic($atts, $content = null){
    //find a random number, incase there is no id assigned
    $ran = rand(1, 10000);
    extract(shortcode_atts(array(
        'title' => '',
        'swaptitle' => '',
        'alt' => '',
        'notitle' => '',
        'id' => 'id'.$ran,
        'tag' => 'span',
        'trigclass' => '',
        'targclass' => '',
        'trigpos' => 'above',
        'rel' => '',
        'expanded' => '',
        'excerpt' => '',
        'excerptpos' => 'below-trigger',
        'excerpttag' => 'div',
        'excerptclass' => '',
        'findme' => '',
        'scrollonclose' => '',
        'startwrap' => '',
        'endwrap' => '',
        'wraptag' => ''             //AA 20121031 eg. 'h2' will wrap the title in <h2> $title </h2>
    ), $atts));
    if($excerpt){
        if($excerptpos == 'above-trigger'){
            $nibble = '<'.$excerpttag.' class="'.$excerptclass.'">'.$excerpt.'</'.$excerpttag.'>';
        }
        else{
            $nibble = '<'.$excerpttag.' class="collapseomatic_excerpt '.$excerptclass.'">'.$excerpt.'</'.$excerpttag.'>';
        }

    }
    $altatt = '';
    if($alt){
        $altatt = 'alt="'.$alt.'" title="'.$alt.'"';
    }
    else if( !$notitle ){
        $altatt = 'title="'.$title.'"';
    }
    $relatt = '';
    if($rel){
        $relatt = 'rel="'.$rel.'"';
    }
    if($expanded){
        $trigclass .= ' colomat-close';
    }
    $anchor = '';
    if($findme){
        $trigclass .= ' find-me';
        $offset = '';
        if($findme != 'true' && $findme != 'auto'){
            $offset = $findme;
        }
        $anchor = '<a id="find-'.$id.'" name="'.$offset.'"> </a>';
    }
    $closeanchor = '';
    if($scrollonclose && (is_numeric($scrollonclose) || $scrollonclose == 0)){
        $trigclass .= ' scroll-to-trigger';
        $closeanchor = '<a id="scrollonclose-'.$id.'" name="'.$scrollonclose.'"> </a>';
    }
    //AA 20121031 wrap startwrap and endwrap with wraptag if it was passed through
    if($wraptag != ''){
        $startwrap = "<" . $wraptag . ">" . $startwrap;
        $endwrap = "</" . $wraptag . ">" . $endwrap;
    }
    $link = $closeanchor.$anchor.'<'.$tag.' class="collapseomatic '.$trigclass.'" id="'.$id.'" '.$relatt.' '.$altatt.'>'.$startwrap.$title.$endwrap.'</'.$tag.'>';
    if($swaptitle){
        $link .= "<".$tag." id='swap-".$id."' style='display:none;'>".$startwrap.$swaptitle.$endwrap."</".$tag.">";
    }

    $eDiv = '';
    if($content){
        //AA 20121031 Use recursive__do_shortcode() instead
        $eDiv = '<div id="target-'.$id.'" class="collapseomatic_content '.$targclass.'">'.recursive__do_shortcode($content).'</div>';
    }

    if($excerpt){
        if($excerptpos == 'above-trigger'){
            if($trigpos == 'below'){
                $retStr = $eDiv.$nibble.$link;
            }
            else{
                $retStr = $nibble.$link.$eDiv;
            }
        }
        else if($excerptpos == 'below-trigger'){
            if($trigpos == 'below'){
                $retStr =  $eDiv.$link.$nibble;
            }
            else{
                $retStr = $link.$nibble.$eDiv;
            }
        }
        else{
            if($trigpos == 'below'){
                $retStr = $eDiv.$link.$nibble;
            }
            else{
                $retStr = $link.$eDiv.$nibble;
            }
        }
    }
    else{
        if($trigpos == 'below'){
            $retStr = $eDiv.$link;
        }
        else{
            $retStr = $link.$eDiv;
        }
    }
    //return '<span class="removeomatic">'.$retStr.'</span>';
    return $retStr;
}
?>