Saturday, March 20, 2010

Wordpress plug-in that upload image with post

Hi
I am here to give source code for plug-in that upload image with each post and store the data in post meta.

<?php 
/*
Plugin Name: artical
Version: 1.0
Plugin URI: http://rubyid10.blogspot.com    
Author: Sameer
Author URI: http://rubyid10.blogspot.com
Description: Tool to add custom files to post  
  */
        define('ARTICAL_FOLDER', dirname(plugin_basename(__FILE__)));
        define(DIRECTORY_SEPARATOR,'/');
        define('ARTICAL_IMG_WEBSITE_FULLPATH',WP_CONTENT_DIR."/uploads/artical/website/");
        define('ARTICAL_IMG_WEBSITE_URL', get_option('siteurl').'/wp-content/uploads/artical/website/');
        
        define('ARTICAL_IMG_IPHONE_FULLPATH',WP_CONTENT_DIR."/uploads/artical/iphone/");
        define('ARTICAL_IMG_IPHONE_URL', get_option('siteurl').'/wp-content/uploads/artical/iphone/');
        define('THUMB_WIDTH',60);
        define('THUMB_HEIGHT',60);

        define('ARTICAL_IMG_INTER_FULLPATH',WP_CONTENT_DIR."/uploads/artical/inter/");
        define('ARTICAL_IMG_INTER_URL', get_option('siteurl').'/wp-content/uploads/artical/inter/');
        define('INTER_WIDTH',150);
        define('INTER_HEIGHT',150);
        ////////////////////////////////
        
        
        define('GALLERY_IMG_WEBSITE_FULLPATH',WP_CONTENT_DIR."/uploads/gallery/website/");
        define('GALLERY_IMG_WEBSITE_URL', get_option('siteurl').'/wp-content/uploads/gallery/website/');
        
        define('GALLERY_IMG_IPHONE_FULLPATH',WP_CONTENT_DIR."/uploads/gallery/iphone/");
        define('GALLERY_IMG_IPHONE_URL', get_option('siteurl').'/wp-content/uploads/gallery/iphone/');
        define('GALLERY_THUMB_WIDTH',60);
        define('GALLERY_THUMB_HEIGHT',60);

        define('GALLERY_IMG_INTER_FULLPATH',WP_CONTENT_DIR."/uploads/gallery/inter/");
        define('GALLERY_IMG_INTER_URL', get_option('siteurl').'/wp-content/uploads/gallery/inter/');
        define('GALLERY_INTER_WIDTH',150);
        define('GALLERY_INTER_HEIGHT',150);
        //////////////////////////////////////////////////////////
        
        
        define('BLOG_IMG_WEBSITE_FULLPATH',WP_CONTENT_DIR."/uploads/blog/website/");
        define('BLOG_IMG_WEBSITE_URL', get_option('siteurl').'/wp-content/uploads/blog/website/');
        
        define('BLOG_IMG_IPHONE_FULLPATH',WP_CONTENT_DIR."/uploads/blog/iphone/");
        define('BLOG_IMG_IPHONE_URL', get_option('siteurl').'/wp-content/uploads/blog/iphone/');
        define('BLOG_THUMB_WIDTH',60);
        define('BLOG_THUMB_HEIGHT',60);

        define('BLOG_IMG_INTER_FULLPATH',WP_CONTENT_DIR."/uploads/blog/inter/");
        define('BLOG_IMG_INTER_URL', get_option('siteurl').'/wp-content/uploads/blog/inter/');
        define('BLOG_INTER_WIDTH',150);
        define('BLOG_INTER_HEIGHT',150);
        
        
        
        
        
        
         define('UPLOAD_IMAGE_TYPE','gif,png,jpeg,jpg');
         //t
        add_action('admin_menu','change_form');
         /* Use the admin_menu action to define the custom boxes */
        //this will add artical_gallery_blog box
        add_action('admin_menu', 'add_artical_gallery_blog');
     
        
        /* Use the save_post action to do something with the data entered */
         add_action('save_post', 'artical_save_postdata');
         
         
         
    function change_form()
             {
              ob_start("modify_buffer");         
             }
             
         function modify_buffer( $buffer )
        {
        $buffer = str_replace( '<form name="post"', '<form name="post" enctype="multipart/form-data"',
         $buffer );
         return $buffer;
    }
         /* Adds a custom section to the "advanced" Post and Page edit screens */
///////////////////////////////////////////////////////////////////////////
    function add_artical_gallery_blog() 
{

  if( function_exists( 'add_meta_box' )) 
              {
              /////////////////add artical
            add_meta_box( 'artical_id', __( 'Image Upload', 'myplugin_textdomain' ), 
                        'artical_custom_box', 'post', 'advanced','high' );
            add_meta_box( 'artical_id', __( 'Image Upload', 'myplugin_textdomain' ), 
                        'artical_custom_box', 'page', 'advanced' );
            
           }
          
} 
     
///////////////////////////////////////////////////////////////////
/* Prints the inner fields for the custom post/page section */
//////////////////this for get the category image,used in xmlrpc response
 function get_category_image_names( $cat_id = false, $type = false )
    {
        $category_image_names = get_option( 'ciii_image_names' );
        if ( $cat_id !== false && $type ) {
            return $category_image_names[ $cat_id ][ $type ];
        }
        if ( $cat_id !== false ) {
            if ( ! isset( $category_image_names[ $cat_id ] ) ) return false;
            return $category_image_names[ $cat_id ];
        }
        return $category_image_names;
    }
////////////////////////////////////////////////////////////////////////////////////
    function artical_custom_box() 
{
                // Use nonce for verification
                    echo '<input type="hidden" name="myplugin_noncename" id="myplugin_noncename" value="' . 
                    wp_create_nonce( plugin_basename(__FILE__) ) . '" />';
                    // The actual fields for data entry
                    
                   // $image_meta_data = get_post_meta($_GET['post'], '_artical',true);
                    if($_GET['action']=='edit'){
                    $keys = get_post_custom_keys(trim($_GET['post']));
                    if(in_array('_artical',$keys))
                    {
                    $type ="_artical";
                    }else if(in_array('_gallery',$keys))
                    {
                    $type ="_gallery";
                    }
                    else
                    {
                    $type ="_blog";
                    
                    }
                    }
                    
                    ?>
                    <strong>Note:</strong>
                    <br/>
                    <span>Choose "Article" to upload image for Article. </span>
                    <br/>
                    <span>Choose "Gallery" to upload image for Gallery. </span>
                    <br/>
                    <span>Choose "Blog" to upload image for Blog. </span>
                    <br/>
                    <?php 
                     if($_GET['action']=='edit')
                  {
                      $div_tag="<div align='center'>";
                      $image_meta_data = get_post_meta($_GET['post'],$type,true);  
                    
                      
                      
                      switch($type)
                      {
                      case '_artical':
                      $image_path = ARTICAL_IMG_INTER_URL;
                      break;
                      
                      case '_gallery':
                      $image_path = GALLERY_IMG_INTER_URL;
                      break;
                      case '_blog':
                      $image_path = BLOG_IMG_INTER_URL;
                      break;
                      }        
                      
                      $div_tag.="<img src='".$image_path.$image_meta_data."'>";
                      
                      $div_tag.= "</div>";
                      echo $div_tag;
                        
                      
                    }
                echo "
                <script>
                jQuery(document).ready(function($){
                 
                $('#artical_image').change(function(){
                    
                    $('#artical_image_edit').attr('value','1');
                
                });
              });
               </script>
                 ";
                 
                echo '<br/><div align=\'center\'><label for="Article Image">' . __("Upload Image for", 'myplugin_textdomain' ) . '</label> ';
                echo "<input type='hidden' id='artical_image_edit' name='artical_image_edit' value='0'>";
                ?>
                
                    <select name='image_type'>
                    <option value="_artical"<?php if($type == '_artical')echo "selected='yes'"?>>Article
                    </option>
                    <option value="_gallery"<?php if($type == '_gallery')echo "selected='yes'"?>>Gallery
                    </option>
                    <option value="_blog"<?php if($type == '_blog')echo "selected='yes'"?>>Blog
                    </option>
                    </select>
                 
                 
                <?php 
              echo '<input type="file" name="artical_image" id=\'artical_image\'/></div>';
              ?>
              <div align="center">
              <br/>
              <span>File upload limit 2MB. </span>
              <br/>
              <span>Supported file types: gif, png, jpg . </span>
              </div>
              <?php 
}

//////////////////////////////////////////////////////////////////////////////////
  
//////////////////////////////////////////////////////////////////////////////////            
                    
/* When the post is saved, saves our custom data */
    function artical_save_postdata( $post_id ) {

  // verify this came from the our screen and with proper authorization,
  // because save_post can be triggered at other times

          if ( !wp_verify_nonce( $_POST['myplugin_noncename'], plugin_basename(__FILE__) )) {
                return $post_id;
          }

  // verify if this is an auto save routine. If it is our form has not been submitted, so we dont want
  // to do anything
          if ( defined('DOING_AUTOSAVE') && DOING_AUTOSAVE ) 
            return $post_id;

  
  // Check permissions
          if ( 'page' == $_POST['post_type'] ) {
            if ( !current_user_can( 'edit_page', $post_id ) )
              return $post_id;
          } else {
            if ( !current_user_can( 'edit_post', $post_id ) )
              return $post_id;
          }

  // OK, we're authenticated: we need to find and save the data

          $mydata = $_POST['myplugin_new_field'];
         if($_POST['artical_image_edit'] ==1)
          {
              $file_upload_error="";
            /*echo "<pre>";
              print_r($_FILES);
              exit;*/
              $_FILES['artical_image']['name'] = strtolower(trim($_FILES['artical_image']['name']));
          if(trim($_FILES['artical_image']['name']) == '')
          {       
           $file_upload_error=1;
            wp_redirect(get_option('siteurl').'/wp-content/themes/classic/error.php?cerror='.$file_upload_error);
             exit;
        }
            $image_extesion_array = explode(",",UPLOAD_IMAGE_TYPE);
            $image_path = pathinfo($_FILES['artical_image']['name']);
            $image_extension = $image_path['extension'];
        //image extesion test
           if(!in_array($image_extension,$image_extesion_array))
          {       
            $file_upload_error=2;
            wp_redirect(get_option('siteurl').'/wp-content/themes/classic/error.php?cerror='.$file_upload_error);
             exit;
        }
        if($file_size >= 2000)
          {       
               $file_upload_error=3;
            wp_redirect(get_option('siteurl').'/wp-content/themes/classic/error.php?cerror='.$file_upload_error);
             exit;
        }
        
  
           global $wpdb;
          
           
        if (!empty($_POST["ID"])){
                $id = $_POST["ID"];
            }
              
        if(trim($_FILES['artical_image']['name']) != '')
              {  
            
             $post_id=$_POST['post_ID'];
            $filename = trim($post_id.'_'.$_FILES['artical_image']['name']);
            $filename = strtolower($filename);
             $filename = str_replace(' ','_',$filename);
             $filename = str_replace("\'",'_',$filename);
             $filename = str_replace("\&",'_',$filename);
             $filename = str_replace("\$",'_',$filename);
             
             
            
            switch(trim($_REQUEST['image_type']))
            {
            case '_artical':
              $meta_key = '_artical';
              $meta_value  = $filename;
              $upload_path = ARTICAL_IMG_WEBSITE_FULLPATH;
              $thumbnail_path = ARTICAL_IMG_IPHONE_FULLPATH;
              $thumb_width = THUMB_WIDTH;
              $thumb_height = THUMB_HEIGHT;
              $inter_path = ARTICAL_IMG_INTER_FULLPATH;
              $inter_width = INTER_WIDTH;
              $inter_height = INTER_HEIGHT;
                break;
                
              case '_gallery':
              $meta_key = '_gallery';
              $meta_value  = $filename;
              $upload_path = GALLERY_IMG_WEBSITE_FULLPATH;
              $thumbnail_path = GALLERY_IMG_IPHONE_FULLPATH;
              $thumb_width = GALLERY_THUMB_WIDTH;
              $thumb_height = GALLERY_THUMB_HEIGHT;
              $inter_path = GALLERY_IMG_INTER_FULLPATH;
              $inter_width = GALLERY_INTER_WIDTH;
              $inter_height = GALLERY_INTER_HEIGHT;
              break;
              
              case '_blog':
              $meta_key = '_blog';
              $meta_value  = $filename;
              $upload_path = BLOG_IMG_WEBSITE_FULLPATH;
              $thumbnail_path = BLOG_IMG_IPHONE_FULLPATH;
              $thumb_width = BLOG_THUMB_WIDTH;
              $thumb_height = BLOG_THUMB_HEIGHT;
              $inter_path = BLOG_IMG_INTER_FULLPATH;
              $inter_width = BLOG_INTER_WIDTH;
              $inter_height = BLOG_INTER_HEIGHT;
              break;
            
            } 
            
            if($_REQUEST['action'] == 'editpost')
            {
              update_post_meta($post_id,$meta_key,$meta_value);
              //for delete the already exists file
                /*$image_meta_data = get_post_meta($post_id,$meta_key,true);
                      if( is_file($upload_path.$image_meta_data))
                        @unlink($upload_path.$image_meta_data);
                        @unlink($thumbnail_path.$image_meta_data);
                        @unlink($inter_path.$image_meta_data);*/
                        
                        
              
              
            }else 
            {
            add_post_meta($post_id, $meta_key, $meta_value);
            } 
              //file upload move
            move_uploaded_file($_FILES['artical_image']['tmp_name'],
            $upload_path.$filename);
             //for thumbnail image
            include_once('thumbnail_class.php');
            $image = new Resize_Image;
            $image->new_width = $thumb_width ;
            $image->new_height = $thumb_height;
            $image->image_to_resize = $upload_path.$filename; // Full Path to the file
            $image->ratio = true; // Keep Aspect Ratio?
            $image->save_folder = $thumbnail_path;
            $process = $image->resize();
            //fot intermediate image 
            $image1 = new Resize_Image;
            $image1->new_width = $inter_width;
            $image1->new_height = $inter_height;
            $image1->image_to_resize =$upload_path.$filename; // Full Path to the file
            $image1->ratio = true; // Keep Aspect Ratio?
            $image1->save_folder =$inter_path;
            $process = $image1->resize();
          }
          }//for file upload checking end
        ////////////////////////////////////////////////////////////////////
        /*echo "<pre>";
          print_r($_FILES);
          exit;*/
       
          
return $mydata;
}
?>

4 comments:

  1. Thanks for this helpful Blog.
    I used a WordPress plugin that I found interesting. So I would like to recommend it.
    The plugin helps me quickly create and customize images before inserting them in my blog post.
    Check at: https://getpikiz.com/wordpress-plugin/
    It’s free.

    ReplyDelete
  2. Thanks for this helpful Blog.
    I used a WordPress plugin that I found interesting. So I would like to recommend it.
    The plugin helps me quickly create and customize images before inserting them in my blog post.
    Check at: https://getpikiz.com/wordpress-plugin/
    It’s free.

    ReplyDelete
  3. Thanks for this helpful Blog.
    I used a WordPress plugin that I found interesting. So I would like to recommend it.
    The plugin helps me quickly create and customize images before inserting them in my blog post.
    Check at: https://getpikiz.com/wordpress-plugin/
    It’s free.

    ReplyDelete
  4. Thanks for this helpful Blog.
    I used a WordPress plugin that I found interesting. So I would like to recommend it.
    The plugin helps me quickly create and customize images before inserting them in my blog post.
    Check at: https://getpikiz.com/wordpress-plugin/
    It’s free.

    ReplyDelete