orbit_slideshow.php

<?php
/*
Plugin Name: Orbit Slideshow Plugin
Description: Lightweight slideshow framework developed by Raised Eyebrow web studios. This is dependant on the Orbit library by Zurb
Version: 0.1
License: GPL
Author: Matt Reimer
Author URI: http://www.raisedeyebrow.com/
*/

$orbit_slide_options = get_option('orbit_slideshow_options');


//Make sure we've got the right kind of images set up.
add_theme_support('post-thumbnails');
add_image_size('orbit_slideshow_type', $orbit_slide_options['slide_width'],$orbit_slide_options['slide_height'],true);
add_shortcode('orbit_slideshow', 'orbit_slideshow');



//Add all the JS we need to make this go.
function orbit_add_scripts() {
  
  //You may have foundation loaded in your theme. If so there's no reason to do it twice.
  //print "<pre>" . print_r($wp_scripts,1) . "</pre>";
  
  wp_enqueue_script('jquery');
  
   wp_register_script('jquery.orbit-1.3.0',
         plugins_url('foundation/jquery.orbit-1.4.0.js', __FILE__),
         array('jquery'),
         '1.0' );
   wp_enqueue_style('orbit.style', plugins_url('foundation/orbit.css', __FILE__));
         
   wp_register_script('orbit_slideshow_script',
         plugins_url('js/orbit_slideshow.js', __FILE__),
         array('jquery.orbit-1.3.0'),
         '1.0' );
  
    wp_enqueue_script('jquery.orbit-1.3.0');
    wp_enqueue_script('orbit_slideshow_script');
    
    wp_localize_script( 'orbit_slideshow_script', 'slideshow_settings', get_option('orbit_slideshow_options') );
  
    wp_enqueue_style('orbit_slideshow_style', plugins_url('slideshow.css', __FILE__));

}
add_action('wp_enqueue_scripts', 'orbit_add_scripts');


function orbit_slideshow_custom_excerpt(){
  $orbit_slide_options = get_option('orbit_slideshow_options');
  return $orbit_slide_options[teaser_length];
  
}

/***************************************************
// Shortcode Handler: Do the actual slideshow Query
****************************************************/
//This is just a shortcode handler that we can call directly.
function orbit_slideshow($atts =array() ) {

  global $wp_query;
  global $post;
  
  $orbit_slide_options = get_option('orbit_slideshow_options');
  
  $query_vars = array();
 
  $slideshow= "";
  //No 'Slideshow' param set. Just do the default slideshow
  if (!isset($atts['slideshow'])){  
     $query_vars['post_type'] = 'orbit_slideshow_type';
     $slideshow = "default";
  }
  //'Slideshow' paramter is set: set things up for a specific slideshow
  else {    
    $query_vars['post_type'] = array();  
  	if ($orbit_slide_options['type']['post']) $query_vars['post_type'][] = 'post';
  	if ($orbit_slide_options['type']['page']) $query_vars['post_type'][] = 'page';
  	if ($orbit_slide_options['type']['slide']) $query_vars['post_type'][] = 'orbit_slideshow_type'; 
    $slideshow= $atts['slideshow'];
  	$query_vars['tax_query'] = array( array(
  		'taxonomy' => 'orbit_slideshows',
  		'field' => 'slug',
  		'terms' => $atts['slideshow']
  	));
  }

  //Order by slide weight (if given)
  $query_vars['meta_key']  = 'slide_weight';
  $query_vars['orderby'] = 'meta_value';
  $query_vars['order'] = 'ASC';  

  $orbit_slide_options = get_option('orbit_slideshow_options');
  
  add_filter('excerpt_length', 'orbit_slideshow_custom_excerpt', 10);
  add_filter('excerpt_more', 'new_excerpt_more');


  //query_posts($query_vars);
  $slide_query = new WP_Query( $query_vars );

  //print "<pre>" . print_r($slide_query,1) . "</pre>";

  if ($slide_query->have_posts()){
    if (isset($atts['tabshow']) && $atts['tabshow'] != '' ){
      orbit_slideshow_do_tabshow($slide_query, $slideshow, $atts['tabshow']);
    }
    else {
      orbit_slideshow_do_slideshow($slide_query, $slideshow);
    }
  
  }
  //Reset all the changes we've made to wp_query so that any loops below this will work properly
	wp_reset_query();
  remove_filter('excerpt_more', 'new_excerpt_more');
	remove_filter('excerpt_length','orbit_slideshow_custom_excerpt');
}

/********************************************
// Helper Function to do the Actual Slideshow
********************************************/
function orbit_slideshow_do_slideshow($slide_query, $slideshow="") {
/*  /print "<pre>slideshow=$slideshow" . print_r($slide_query,1) . "</pre>"; */
  //TODO: Add better structure for foundation-friendly 
  global $wp_embed;
  
  $captions="";

  ?>
  <div id="slideshow-<?php print $slideshow; ?>" class="orbit orbit_slideshow">
  	<?php while ($slide_query->have_posts()) : $slide_query->the_post();
      $slide_meta = get_post_meta($slide_query->post->ID, 'slide_meta', true);	
      $captionTarget = "";
      $video_url = !empty($slide_meta['video_url']) ? $slide_meta['video_url'] : "";
      $image_only = !empty($slide_meta['image_only']) && $slide_meta['image_only'] == 1 ? True : false;
      $slide_url = !empty($slide_meta['slide_url']) ? $slide_meta['slide_url'] : get_permalink();
      $isVideo =  (!empty($video_url) && $video_url != "")? true : false;

	    //IF this slide has a caption then print it out for inclusion later      
      if (!empty($slide_meta['slide_caption']) && $slide_meta['slide_caption'] != ""){
      	  $captionID ++;
      	  $captionTarget = "data-caption='#".$slideshow."-Caption$captionID'";
	      $captions .= "<span class='orbit-caption' id='".$slideshow."-Caption$captionID'>";
	      $captions .= $slide_meta['slide_caption'];
	      $captions .= "</span>";
      } ?>
  	
  	<div class="slide <?php print $isVideo ?"video-slide": "";?>" <?php print $captionTarget; ?>>
  	<?php
  			if ( $isVideo ){
          $post_embed = $wp_embed->run_shortcode('[embed width="' . $orbit_slide_options['slide_width'] . '" height="' . $orbit_slide_options['slide_height'] . '"]' . $video_url . '[/embed]');
          
          print $post_embed;
  			}
  			else{ ?>
          <a class="image" href="<?php print $slide_url; ?>" >
          <?php the_post_thumbnail('orbit_slideshow_type'); ?>
          </a>
          	<?php if (!$image_only){ ?>
	            <?php // HERE we print the transparent overlay and text ?>
	            <div class="meta-back">&nbsp;</div>
	            <div class="meta">
	              <h3><a href="<?php print $slide_url; ?>" title="Permanent Link to <?php the_title_attribute(); ?>"><?php the_title(); ?></a></h3>
	              
	              <?php the_excerpt(); //Here's the body of the content type gets printed ?>
	            </div>
            <?php } ?>
          <?php
        }
  			
  	?>
  	</div>
  
  	<?php endwhile; ?>
	<?php print $captions;?>
  </div> <?
}

/********************************************
// Helper Function to do the TabShow
********************************************/
function orbit_slideshow_do_tabshow($slide_query, $slideshow= "default", $tab_orient="right"){

  //Basic test
  $op = array("left", "right", "top", "bottom");
  
  if (!in_array($tab_orient, $op) ) {
    return;
  }

  //TODO: Add better structure for foundation-friendly 
  global $wp_embed;
  $orbit_slide_options = get_option('orbit_slideshow_options');
  $tabID = 0;
  $tabs = "";
  $content = "";
  

  switch ($tab_orient) {
      case 'top':
          $tabClass = "nice vertical tabs";
          $contentClass = "";
          break;
      case 'right':
          $tabClass = "nice vertical tabs";
          $contentClass = "";
          break;
      case 'bottom':
          $tabClass = "nice vertical tabs";
          $contentClass = "";
          break;
      case 'left':
          $tabClass = "nice vertical tabs";
          $contentClass = "";
          break;
  }
  
  
  while ($slide_query->have_posts()) { 
    
        $slide_query->the_post(); 

        $slide_meta = get_post_meta($slide_query->post->ID, 'slide_meta', true);	
        $image_only = !empty($slide_meta['image_only']) && $slide_meta['image_only'] == 1 ? True : false;
        $video_url = !empty($slide_meta['video_url']) ? $slide_meta['video_url'] : "";
        $slide_url = !empty($slide_meta['slide_url']) ? $slide_meta['slide_url'] : get_permalink();
        $isVideo =  (!empty($video_url) && $video_url != "")? true : false;
        $videoClass = $isVideo ?"video-slide": "";
  
        //if ( $tabID == 1 ) print_r(get_defined_vars());
  	    //We need title tabs  
        $tabID ++;
        $active = $tabID == 1 ? "active " : "";
        $tabsTarget = $slideshow."-tab".$tabID."Tab";
	      $tabs .= "<dd><a class='$active' href='#".$slideshow."-tab$tabID'>";
	      $tabs .= "<h3>" . get_the_title() . "</h3>";
	      $tabs .= $slide_meta['slide_caption'];
	      $tabs .= "</a></dd>"; 
    
        $content .= '<li id="'.$tabsTarget.'" class="tab-content '.$active . $videoClass .'" >';

      			if ( $isVideo ){
              $post_embed = $wp_embed->run_shortcode('[embed width="' . $orbit_slide_options['slide_width'] . '" height="' . $orbit_slide_options['slide_height'] . '"]' . $video_url . '[/embed]');
              $content .= $post_embed;
      			}
      			else{ 
              $content .= '<a class="image" href="'.$slide_url.'">';
              $content .=  get_the_post_thumbnail($slide_query->post->ID, 'orbit_slideshow_type') . '</a>';
             
            if (!$image_only){
	            // HERE we print the transparent overlay and text
	            $content .= '<div class="meta-back">&nbsp;</div>';
	            $content .= '<div class="meta">';
	            $content .= '<h3><a href="'.$slide_url.'" title="Permanent Link to '. the_title_attribute( array('echo' => '0')) .'">'. get_the_title() .'</a></h3>';
	            $content .= get_the_excerpt() . "</div>";
            } 
            }
        $content .= '</li>';
      }//while  

    //This stuff could be written with a lot less code but I think it 
    //makes sense to spell it all out in order to be intuitive ?>
    
   <div id="tabshow-<?php print $slideshow; ?>" class="row orbit_tabshow">    
    
    
    <?php //Left and Top tabs need to go on top?>
    <?php if ($tab_orient == "top") :?>
      <div class="row">
          <dl class="nice tabs" style="margin-bottom:0">
            <?php print $tabs; ?>
    		  </dl>
      </div>
    <?php endif; ?>
    <?php if ($tab_orient == "left") :?>
      <div class="columns four">
          <dl class="nice vertical tabs" style="margin-bottom:0">
            <?php print $tabs; ?>
    		  </dl>
      </div>
    <?php endif; ?>      
 
    <?php //Print tab content?>
    <?php if ($tab_orient == "left" || $tab_orient == "right") :?><div class="eight columns"> <?php endif; ?> 
        <ul class="tabs-content" >
          <?php print $content; ?>
        </ul>  
    <?php if ($tab_orient == "left" || $tab_orient == "right") :?></div><?php endif; ?>
      
    

    <?php //Right and Bottom tabs can go on the bottom ?> 
    <?php if ($tab_orient == "bottom") :?>
      <div class="row">
        <dl class="nice tabs" style="margin-bottom:0">
          <?php print $tabs; ?>
  		  </dl>
  		</div>
    <?php endif; ?>
    <?php if ($tab_orient == "right") :?>
      <div class="columns four">
          <dl class="nice vertical tabs" style="margin-bottom:0">
            <?php print $tabs; ?>
    		  </dl>
      </div>
    <?php endif; ?>    
    
    
    
    </div><!-- tabshow -->

<?php
}

/********************************************
// Change the excerpt size
********************************************/
function new_excerpt_more($more) {
       global $post;
      $slide_meta = get_post_meta($post->ID, 'slide_meta', true);	
      $slide_url = !empty($slide_meta['slide_url']) ? $slide_meta['slide_url'] : get_permalink();
      return '<a href="'. $slide_url . '">Read More ..</a>';
}


//add ENABLEjsAPI to youtube videos
//With mad props to mehigh http://mehigh.biz/wordpress/adding-wmode-transparent-to-wordpress-3-media-embeds.html
function add_video_wmode_transparent($html, $url, $attr) {

	$pattern = '/(youtube.com\/)(v\/\w+\?version=\d+)/i';
	$add = '&enablejsapi=1';
	$new_pattern = "$1$2$add$3";
	$html = preg_replace($pattern, $new_pattern, $html);


   if (strpos($html, "<embed src=" ) !== false) {
    	$html = str_replace('</param><embed', '</param><param name="enablejsapi" value="1"></param><param name="wmode" value="transparent"></param><embed wmode="transparent" ', $html);
   		return $html;
   } else {
        return $html;
   }
}
add_filter('embed_oembed_html', 'add_video_wmode_transparent', 10, 3);


include_once('orbit_slideshow_admin.php');
include_once('orbit_slideshow_widget.php');