Pastoid

<?php
 
class TwitterComments extends Plugin
{
	/**
	 * Simple plugin configuration
	 * @return FormUI The configuration form
	 **/
	public function configure()
	{
		$ui = new FormUI( 'twittercomments' );
 
		$ui->append( 'checkbox', 'comments_require_id', 'comments_require_id', _t( 'Require Comment Author Info <b>(Uncheck to enable Twitter Comments)</b>', 'twittercomments' ) );
 
		$ui->append( 'submit', 'save', _t( 'Save', 'twittercomments' ) );
		return $ui;
	}
 
	/**
	 * Remove fields, replace with twitter username
	 * ...
	 * @return the form
	 **/
	public function action_form_comment( $form, $context = 'public' ) {
 
		// only modify the form if the resulting one can be accepted successfully.
		if ( ! Options::get( 'comments_require_id' ) ) {
 
			$form->append( 'hidden', 'twitter_comment' )->value = true;
 
			// add the twitter username
			$form->append(
				'text',
				'twitter_username',
				'null:null',
				_t( 'Twitter Username', 'twittercomments' )
			)->add_validator(
				'validate_required',
				_t( 'Twitter username is required', 'twittercomments' )
			)->tabindex = 1;
			$form->move_before( $form->twitter_username, $form->cf_commenter );
 
			// remove the existing fields
 
			$form->cf_commenter->remove();
			$form->cf_email->remove();
			$form->cf_url->remove();
 
		}
 
		return $form;
	}
 
	/**
	 * Populate the fields
	 * ...
	 * @return the form
	 **/
	public function action_comment_form_submit ( $form ) {
 
		if( $form->twitter_comment->value ) {
			$form->append( 'hidden', 'cf_commenter' )->value = $form->twitter_username->value;
			$form->append( 'hidden', 'cf_email' )->value = '@' . $form->twitter_username->value;
			$form->append( 'hidden', 'cf_url' )->value = 'http://twitter.com/' . $form->twitter_username->value;
		}
 
		return $form;
	}
 
	/**
	 * Add commentinfo for twitter comments
	 *
	 * @param Comment The comment that will be processed before storing it in the database.
	 * @return Comment The comment result to store.
	 **/
	function action_comment_insert_before ( Comment $comment )
	{
		// This plugin ignores non-comments
		if ( $comment->type != Comment::COMMENT ) {
			return $comment;
		}
		if ( isset( $_POST[ sprintf( '%x', crc32( 'twitter_comment' ) )] ) ) {
			$comment->info->twittercomment = true;
		}
		return $comment;
	}
 
	function set_priorities()
	{
		return array( 'action_form_comment' => 10, );
	}
 
	/**
	 * Add update beacon support
	 **/
	public function action_update_check()
	{
	 	Update::add( $this->info->name, $this->info->guid, $this->info->version );
	}
 
}
 
?>