/library/functions/partner-multicontent.php

<?php

/*

Plugin Name: Multiple content blocks modified.

Plugin URI: http://justinmademysite.com

Description: Lets you use more than one content "block" on a template. You only have to insert one tag inside the template, so it's easy to use.

Version: 1.4.5

Author: Justin Hoppensteadt

*/



function init_multiplecontent() {

  #add_meta_box('multi_content',__('Multiple content blocks','trendwerk'),'add_multiplecontent_box','page','normal','high');

  #add_meta_box('multi_content',__('Multiple content blocks','trendwerk'),'add_multiplecontent_box','post','normal','high');

  add_meta_box('multi_content',__('Partner Information','trendwerk'),'add_multiplecontent_box','partner','normal','high');

    add_action('admin_head','multiplecontent_css');



add_action('save_post', 'save_multiplecontent_box');

add_action('admin_init','init_multiplecontent');



}







function multiplecontent_css() {

  echo '

  <style type="text/css">

    .js .theEditor, #editorcontainer #content {

      color: #000 !important;

      width: 100%;

    }

  </style>

  ';

}







function add_multiplecontent_box() {

  //check which template is used

  global $post;

  $fileToRead = get_template_directory_uri().'/'.$post->page_template;

  

  //read the template

  $fileToRead = strstr($fileToRead,'/themes/');

  if(substr(strrchr($fileToRead,'/'),1) == 'default' || substr(strrchr($fileToRead,'/'),1) == '') { //fix for 2.9

    if(substr(strrchr($fileToRead,'/'),1)) {

      if($post->post_type == 'post') {

        $fileToRead = substr($fileToRead, 0 ,-7) . 'single.php';

      } else {

        $fileToRead = substr($fileToRead, 0 ,-7) . 'page.php';

      }

    } elseif($post->post_type == 'post') {

      if ( is_single( ) ) {

        $fileToRead .= 'single.php';

      } else {

        $fileToRead .= 'page.php';

      }

    }

     else {

      if($post->post_type == 'partner') {

        $fileToRead .= 'partner-single.php';

      } else {

        $fileToRead .= 'page.php';

      }

    }



  }

  $fileToRead = validate_file_to_edit($fileToRead, $allowed_files);

  $fileToRead = get_real_file_to_edit($fileToRead);



  //first try to read the child theme, otherwise use the normal theme

  $themes = get_themes();

  $theme = $themes[get_current_theme()];

  $current_theme_url = $theme['Template'];

  $child_theme_url = str_replace('themes/','',strstr(get_stylesheet_directory_uri(),'themes/'));



  if(fopen(str_replace($current_theme_url,$child_theme_url,$fileToRead), 'r')) { //child theme exists

    $fileToRead = str_replace($current_theme_url,$child_theme_url,$fileToRead);

    $f = fopen($fileToRead, 'r');

  } else {

    $f = fopen($fileToRead, 'r');

  }

  $contents = fread($f, filesize($fileToRead));

  $contents = htmlspecialchars( $contents );

  

  //read the templates header, sidebar and footer, added in v1.1

    $headercontents = read_tag('header',$contents);

    $footercontents = read_tag('footer',$contents);

    

    //multiple sidebars, v1.2

    $amount_sidebars = substr_count($contents,'get_sidebar(');

    $nextContent = $contents;

    for($i=0;$i<$amount_sidebars;$i++) {

      $sidebarcontents .= read_tag('sidebar',$nextContent);

      $nextContent = substr(strstr($contents,'get_sidebar('),13);

    }

    

    $contents = $headercontents.$contents.$sidebarcontents.$footercontents;

    

  //check how many content field there have to be

  $editors = substr_count($contents,"the_block(");

  

  $nextString = $contents;  

  for($i=0;$i<$editors;$i++) {

    //check whether the next one is a get_the_block or the_block

    $get = false;

    

    $firstThe = strpos($nextString,' the_block');

    $firstGet = strpos($nextString,'get_the_block');

    if(($firstThe > $firstGet && $firstGet != 0) || $firstThe == 0) { //get_the_block is first

      $get = true;

    }

    

    //get the name from it

    $stringFirst = strstr($nextString,' the_block(');   

    if($get) {

      $stringFirst = " ".strstr($nextString,'get_the_block(');

    }

    

    $stringFirst = substr($stringFirst,1);

    $stringLast = strstr($stringFirst,')');

    //remove single and double quotes

    if(!$get) {

      $editorName = str_replace('\'','', str_replace('&quot;','',str_replace('the_block(','',str_replace($stringLast,'',$stringFirst))));

    } else {

      $editorName = str_replace('\'','', str_replace('&quot;','',str_replace('get_the_block(','',str_replace($stringLast,'',$stringFirst))));

    }

    $nextString = $stringLast;

    

    //add editor

    echo '<p><strong>'.ucfirst($editorName).'</strong></p>';

    echo '<input type="hidden" name="multiplecontent_box-'.$i.'" value="'.$editorName.'" />';

    

    global $current_user;

    get_currentuserinfo();

    



    if(get_usermeta($current_user->ID,'rich_editing') == 'true') {

      //leave this away when wysigwyg is disabled

      echo '<a id="edButtonHTML" class="hide-if-no-js" onclick="switchEditors.go(\'multiplecontent_box-'.$editorName.'\', \'html\');">HTML</a><a id="edButtonPreview" class="active hide-if-no-js" onclick="switchEditors.go(\'multiplecontent_box-'.$editorName.'\', \'tinymce\');">Wysiwyg</a>';

    }

    

    echo '<input type="hidden" name="multiplecontent_box-'.$editorName.'-nonce" id="multiplecontent_box-'.$editorName.'-nonce" value="'.wp_create_nonce("multiplecontent_box-".$editorName."-nonce").'" />'."\n";  //nonce

    echo '<textarea id="multiplecontent_box-'.$editorName.'" tabindex="2" name="multiplecontent_box-'.$editorName.'" cols="158" class="theEditor" rows="15">';

      $content = get_post_meta($post->ID, '_ot_multiplecontent_box-'.$editorName , true);

      echo apply_filters('the_editor_content', $content);

    echo '</textarea>';

    echo '<p>&nbsp;</p>';

  }

  

  if($editors == 0) {

    _e('There are no content blocks in this template.','trendwerk');

  }

}



function read_tag($tag,$contents) {

  $theTag = strstr($contents,'get_'.$tag.'(');

  //when the tag doesnt exist, return nothing, or it will take the standard file

  if(!$theTag) {

    return '';

  }

  

  $theTag = str_replace('get_'.$tag.'(','',$theTag);

  if(strpos($theTag,')') != 0) {

    $theTag = substr($theTag,1, strpos($theTag,')')-2);

  } else {

    $theTag = '';

  }

  

  $fileToRead = get_template_directory_uri().'/'; 

  $fileToRead .= $tag;

  if($theTag) {

    $fileToRead .= '-'.$theTag;

  }

  $fileToRead .= '.php';

  $fileToRead = strstr($fileToRead,'/themes/');

  $fileToRead = validate_file_to_edit($fileToRead, $allowed_files);

  $fileToRead = get_real_file_to_edit($fileToRead);





  //first try to read the child theme, otherwise use the normal theme

  $themes = get_themes();

  $theme = $themes[get_current_theme()];

  $current_theme_url = $theme['Template'];

  $child_theme_url = str_replace('themes/','',strstr(get_stylesheet_directory_uri(),'themes/'));



  if(fopen(str_replace($current_theme_url,$child_theme_url,$fileToRead), 'r')) { //child theme exists

    $fileToRead = str_replace($current_theme_url,$child_theme_url,$fileToRead);

    $f = fopen($fileToRead, 'r');

  } else {

    $f = fopen($fileToRead, 'r');

  }

  $tagContents = fread($f, filesize($fileToRead));

  $tagContents = htmlspecialchars( $tagContents );

  

  return $tagContents;

}



function save_multiplecontent_box($id) {

  for($i=0;$i>-1;$i++) {

    if (!wp_verify_nonce($_POST['multiplecontent_box-'.$_POST['multiplecontent_box-'.$i].'-nonce'],"multiplecontent_box-".$_POST['multiplecontent_box-'.$i]."-nonce")) return $id; //nonce

    

    if(isset($_POST['multiplecontent_box-'.$_POST['multiplecontent_box-'.$i]])) {

      

      $contents = '';

      $contents = apply_filters('content_save_pre',$_POST['multiplecontent_box-'.$_POST['multiplecontent_box-'.$i]]);

      

      if($contents) update_post_meta($id, "_ot_multiplecontent_box-".$_POST['multiplecontent_box-'.$i] , $contents);

      else delete_post_meta($id,"_ot_multiplecontent_box-".$_POST['multiplecontent_box-'.$i]);

      

    } else {

      break;

    }

  }



}



//front end



function the_block($blockName) {

  if($blockName) {

    global $post;

    $content =  get_post_meta($post->ID, '_ot_multiplecontent_box-'.$blockName , true);

    echo apply_filters('the_content', $content);

  }

}



function get_the_block($blockName) {

  if($blockName) {

    global $post;

    $content =  get_post_meta($post->ID, '_ot_multiplecontent_box-'.$blockName , true);

    return apply_filters('the_content', $content);

  }

}

?>