quick_edit.js

// @ref http://rachelcarden.com/2012/03/manage-wordpress-posts-using-bulk-edit-and-quick-edit/
(function($) {
	// we create a copy of the WP inline edit post function
	var $wp_inline_edit = inlineEditPost.edit;
	// and then we overwrite the function with our own code
	inlineEditPost.edit = function( id ) {
		// "call" the original WP edit function
		// we don't want to leave WordPress hanging
		$wp_inline_edit.apply( this, arguments );

		// now we take care of our business

		// get the post ID
		var $post_id = 0;
		if ( typeof( id ) == 'object' )
			$post_id = parseInt( this.getId( id ) );

		if ( $post_id > 0 ) {
			// define the edit row
			var $edit_row = $( '#edit-' + $post_id );
			var $post_row = $( '#post-' + $post_id );

			// get the data
			var $additional_copies = $( '.column-additional_copies', $post_row ).html();
			var $main_credits      = $( '.column-main_credits', $post_row ).html();

			// populate the data
			$( ':input[name="additional_copies"]', $edit_row ).val( $additional_copies );
			$( ':input[name="main_credits"]', $edit_row ).val( $main_credits );
		}
	};

	$( '#bulk_edit' ).live( 'click', function() {
		// define the bulk edit row
		var $bulk_row = $( '#bulk-edit' );

		// get the selected post ids that are being edited
		var $post_ids = new Array();
		$bulk_row.find( '#bulk-titles' ).children().each( function() {
			$post_ids.push( $( this ).attr( 'id' ).replace( /^(ttle)/i, '' ) );
		});

		// get the data
		var $additional_copies = $bulk_row.find( 'textarea[name="additional_copies"]' ).val();
		var $main_credits      = $bulk_row.find( 'textarea[name="main_credits"]' ).val();

		// save the data
		$.ajax({
			url: ajaxurl, // this is a variable that WordPress has already defined for us
			type: 'POST',
			async: false,
			cache: false,
			data: {
				action: 'save_bulk_edit_video', // this is the name of our WP AJAX function that we'll set up next
				post_ids: $post_ids, // and these are the 2 parameters we're passing to our function
				additional_copies: $additional_copies,
				main_credits: $main_credits
			}
		});
	});
})(jQuery);

video-quick-edit.php

<?php
/**
 *  Quick Edit and Bulk Edit helper for Media Burn video records
 *
 *  @author Michael Cannon <[email protected]>
 *  @ref http://rachelcarden.com/2012/03/manage-wordpress-posts-using-bulk-edit-and-quick-edit/
 */

add_action( 'bulk_edit_custom_box', 'quick_edit_custom_box_video', 10, 2 );
add_action( 'quick_edit_custom_box', 'quick_edit_custom_box_video', 10, 2 );

function quick_edit_custom_box_video( $column_name, $post_type ) {
	$slug = 'video';
	if ( $slug !== $post_type )
		return;

	if ( ! in_array( $column_name, array( 'additional_copies', 'main_credits' ) ) )
		return;

	static $printNonce = true;
	if ( $printNonce ) {
		$printNonce = false;
		wp_nonce_field( plugin_basename( __FILE__ ), 'video_edit_nonce' );
	}

?>
    <fieldset class="inline-edit-col-right inline-edit-video">
      <div class="inline-edit-col inline-edit-<?php echo $column_name ?>">
		<label class="inline-edit-group">
        <?php
	switch ( $column_name ) {
	case 'additional_copies':
?>
			<span class="title">Additional Copies</span>
			<textarea cols="22" rows="1" name="additional_copies" autocomplete="off"></textarea>
			<?php
		break;
	case 'main_credits':
?>
			<span class="title">Main Credits</span>
			<textarea cols="22" rows="1" name="main_credits" autocomplete="off"></textarea>
			<?php
		break;
	}
?>
		</label>
      </div>
    </fieldset>
    <?php
}


add_action( 'save_post', 'save_video_meta' );

function save_video_meta( $post_id ) {
	// TODO make $slug static
	$slug = 'video';
	if ( $slug !== $_POST['post_type'] )
		return;

	if ( !current_user_can( 'edit_post', $post_id ) )
		return;

	if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE )
		return;

	if ( isset( $post->post_type ) && 'revision' == $post->post_type )
		return;

	$_POST += array( "{$slug}_edit_nonce" => '' );
	if ( !wp_verify_nonce( $_POST["{$slug}_edit_nonce"], plugin_basename( __FILE__ ) ) )
		return;

	if ( isset( $_REQUEST['additional_copies'] ) )
		update_post_meta( $post_id, 'additional_copies', wp_kses_post( $_REQUEST['additional_copies'] ) );

	if ( isset( $_REQUEST['main_credits'] ) )
		update_post_meta( $post_id, 'main_credits', wp_kses_post( $_REQUEST['main_credits'] ) );
}


add_action( 'admin_print_scripts-edit.php', 'admin_edit_video_foot' );
function admin_edit_video_foot() {
	$slug = 'video';
	// load only when editing a video
	if ( ( isset( $_GET['page'] ) && $slug == $_GET['page'] )
		|| ( isset( $_GET['post_type'] ) && $slug == $_GET['post_type'] ) ) {
		wp_enqueue_script( 'admin-quick-edit-video', get_template_directory_uri() . '/functions/user/custom/fitv/quick_edit.js', array( 'jquery', 'inline-edit-post' ), '', true );
	}
}


add_action( 'wp_ajax_save_bulk_edit_video', 'save_bulk_edit_video' );
function save_bulk_edit_video() {
	$post_ids          = ( ! empty( $_POST[ 'post_ids' ] ) ) ? $_POST[ 'post_ids' ] : array();
	$additional_copies = ( ! empty( $_POST[ 'additional_copies' ] ) ) ? wp_kses_post( $_POST[ 'additional_copies' ] ) : null;
	$main_credits      = ( ! empty( $_POST[ 'main_credits' ] ) ) ? wp_kses_post( $_POST[ 'main_credits' ] ) : null;

	if ( ! empty( $post_ids ) && is_array( $post_ids ) ) {
		foreach ( $post_ids as $post_id ) {
			update_post_meta( $post_id, 'additional_copies', $additional_copies );
			update_post_meta( $post_id, 'main_credits', $main_credits );
		}
	}

	die();
}


?>