quote-comments.php

<?php
/*
Plugin Name: Quote Comments
Plugin URI: https://github.com/metodiew/Quote-Comments
Description: Creates a little quote icon in comment boxes which, when clicked, copies that comment to the comment box wrapped in blockquotes.
Version: 3.0.0
Requires at least: 4.0
Requires PHP: 7.2
Author: Stanko Metodiev
Author URI: https://metodiew.com
License: GPLv2 or later
Text Domain: quote-comments
*/

/**
 * @TODO: apply some coding styling updates
 */

/**
 * Load plugin textdomain.
 */
function quote_comments_load_textdomain() {
	load_plugin_textdomain( 'quote-comments', false, dirname( plugin_basename( __FILE__ ) ) . '/languages' );
}
add_action( 'init', 'quote_comments_load_textdomain' );

/**
 * Define variable for the plugin version.
 */
if ( ! defined( 'QUOTE_COMMENTS_VERSION' ) ) {
	define( 'QUOTE_COMMENTS_VERSION', '3.0.0' );
}

/**
 * Enqueue Plugin Assets
 */
function quote_comments_assets () {
	wp_enqueue_script( 'quote-comments',  plugins_url( 'quote-comments.js' , __FILE__ ), array(), QUOTE_COMMENTS_VERSION, array( 'strategy'  => 'defer', 'in_footer' => true ) );

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


function add_quote_button( $output ) {

	global $user_ID;
	if ( get_option( 'comment_registration' ) && ! $user_ID ) {
		
		return $output;
		
	} else if (!is_feed() && comments_open()) {

		$commentID = get_comment_id();

		if (function_exists('mcecomment_init')) {
			$mce = ", true";
		} else {
			$mce = ", false";
		}

		// quote link
		$button = "";
		
		// fixme close if using "get_comment_time"
		//if (get_option('quote_comments_pluginhook') == "get_comment_time") {
			$button .= '</a>';
		//}

		$button .= '&nbsp;&nbsp;';
		$button .= '<span id="name'.get_comment_ID().'" style="display: none;">'.get_comment_author().'</span>';
		$button .= '<a class="comment_quote_link" ';
		$button .= 'href="javascript:void(null)" ';
		$button .= 'title="' . __('Click here or select text to quote comment', 'quote-comments'). '" ';
		
		if( get_option('quote_comments_author') == true ) {
			$button .= 'onmousedown="quote(\'' . get_comment_ID() .'\', document.getElementById(\'name'.get_comment_ID().'\').innerHTML, \'comment\',\'div-comment-'. get_comment_ID() .'\''. $mce .');';
		} else {
			$button .= 'onmousedown="quote(\'' . get_comment_ID() .'\', null, \'comment\',\'div-comment-'. get_comment_ID() .'\''. $mce .');';
		}
		
		$button .= 'try { addComment.moveForm(\'div-comment-'.get_comment_ID().'\', \''.get_comment_ID().'\', \'respond\', \''.get_the_ID().'\'); } catch(e) {}; ';
		$button .= 'return false;">';
		$button .= "" . esc_attr( get_option( 'quote_comments_title' ) ) . "";
		
		
		// reply link
		if (get_option('quote_comments_replylink') == true) {
			$button .= '</a>&nbsp;&nbsp;';
			$button .= '<a class="comment_reply_link" href="javascript:void(null)" ';
			$button .= 'title="' . __('Click here to respond to author', 'quote-comments'). '" ';
			$button .= 'onmousedown="inlinereply(\'' . get_comment_ID() .'\', document.getElementById(\'name'.get_comment_ID().'\').innerHTML, \'comment\',\'div-comment-'. get_comment_ID() .'\''. $mce .');';
			$button .= 'try { addComment.moveForm(\'div-comment-'.get_comment_ID().'\', \''.get_comment_ID().'\', \'respond\', \''.get_the_ID().'\'); } catch(e) {}; ';
			$button .= 'return false;">';
			$button .= "" . esc_attr( get_option( 'quote_comments_replytitle' ) ) . "";
		}
		
		
		// close anchor link if body text (if using get comment time, this </a> is already here due to a bug)
		if (get_option('quote_comments_pluginhook') == "get_comment_text") {
			$button .= "</a>";
		}


		// output
		if (comments_open() && have_comments() && get_comment_type() != "pingback" && get_comment_type() != "trackback") {
			//echo ($output . $button);
			return ($output . $button);
		}

	
	} else {
	
		//echo ($output . $button);
		return ($output . $button);
	
	}

}

// this function to be phased out with "get_comment_time"
function add_quote_button_filter($output) {

	global $user_ID;
	if (get_option('comment_registration') && !$user_ID) {
		
		return $output;
		
	} else if (!is_feed() && comments_open()) {

		$commentID = get_comment_id();

		if (function_exists('mcecomment_init')) {
			$mce = ", true";
		} else {
			$mce = ", false";
		}

		// quote link
		$button = "";
		// $button .= '</a>&nbsp;&nbsp;';
		$button .= '<span id="name'.get_comment_ID().'" style="display: none;">'.get_comment_author().'</span>';
		$button .= '<a class="comment_quote_link" ';
		$button .= 'href="javascript:void(null)" ';
		$button .= 'title="' . __('Click here or select text to quote comment', 'quote-comments'). '" ';
		
		if( get_option('quote_comments_author') == true ) {
			$button .= 'onmousedown="quote(\'' . get_comment_ID() .'\', document.getElementById(\'name'.get_comment_ID().'\').innerHTML, \'comment\',\'div-comment-'. get_comment_ID() .'\''. $mce .');';
		} else {
			$button .= 'onmousedown="quote(\'' . get_comment_ID() .'\', null, \'comment\',\'div-comment-'. get_comment_ID() .'\''. $mce .');';
		}
		
		$button .= 'try { addComment.moveForm(\'div-comment-'.get_comment_ID().'\', \''.get_comment_ID().'\', \'respond\', \''.get_the_ID().'\'); } catch(e) {}; ';
		$button .= 'return false;">';
		$button .= "" . esc_attr( get_option('quote_comments_title') ) . "";
		
		
		// reply link
		if (get_option('quote_comments_replylink') == true) {
			$button .= '</a>&nbsp;&nbsp;';
			$button .= '<a class="comment_reply_link" href="javascript:void(null)" ';
			$button .= 'title="' . __('Click here to respond to author', 'quote-comments'). '" ';
			$button .= 'onmousedown="inlinereply(\'' . get_comment_ID() .'\', document.getElementById(\'name'.get_comment_ID().'\').innerHTML, \'comment\',\'div-comment-'. get_comment_ID() .'\''. $mce .');';
			$button .= 'try { addComment.moveForm(\'div-comment-'.get_comment_ID().'\', \''.get_comment_ID().'\', \'respond\', \''.get_the_ID().'\'); } catch(e) {}; ';
			$button .= 'return false;">';
			$button .= "" . esc_attr( get_option('quote_comments_replytitle') ) . "";
		}
		
		// close anchor link if body text
		if (get_option('quote_comments_pluginhook') == "get_comment_text") {
			$button .= "</a>";
		}

		if (comments_open() && have_comments() && get_comment_type() != "pingback" && get_comment_type() != "trackback") {
			return($output . $button);
		}

	
	} else {
	
		return($output . $button);
	
	}



}




if (get_option('quote_comments_pluginhook') == 'get_comment_time') {
	if (!is_admin()) {
		add_filter('get_comment_time', 'add_quote_button_filter');
	}
} else {
	if (!is_admin()) {
		add_filter('get_comment_text', 'add_quote_button');
	}
}




function add_quote_tags($output) {
	

	global $user_ID;
	if (get_option('comment_registration') && !$user_ID) {
		
		return $output;
		
	} else if (!is_feed() && comments_open()) {
	
		return "\n<div id='q-".get_comment_ID()."'>\n\n\n" . $output . "\n\n\n</div>\n";
	
	} else {
	
		return $output;
		
	}


/*
	global $user_ID;
	if (get_option('comment_registration') && !$user_ID) {
		
		echo $output;
		
	} else if (!is_feed() && comments_open()) {
	
	    echo "\n<div id='q-".get_comment_ID()."'>\n\n\n" . $output . "\n\n\n</div>\n";
	
	} else {
	
		echo $output;
		
	}
*/
	
}
if (!is_admin()) {
	//add_filter('get_comment_text', 'add_quote_tags');
	add_filter('get_comment_text', 'add_quote_tags', 1);
}












/**
 * Options Page values
 */
function quote_comments_options_values() {
	$qc_options = array (

		array(	"name" => __('Quote-link title?','quote-comments'),
			"desc" => __('Title of comment link.','quote-comments'),
			"id" => "quote_comments_title",
			"std" => "(Quote)",
			"type" => "text"),

		array(	"name" => __('Show author in quote?','quote-comments'),
			"desc" => __('Show authors','quote-comments'),
			"id" => "quote_comments_author",
			"std" => true,
			"type" => "checkbox"),

		array(	"name" => __('Show reply link?','quote-comments'),
			"desc" => __('Show reply link','quote-comments'),
			"id" => "quote_comments_replylink",
			"std" => false,
			"type" => "checkbox"),

		array(	"name" => __('Reply-link title?','quote-comments'),
			//"desc" => __('Title of comment link.','quote-comments'),
			"id" => "quote_comments_replytitle",
			"std" => "(Reply)",
			"type" => "text"),

		array(	"name" => __('Insert Quote link using which hook?','quote-comments'),
			"desc" => __('Which plugin hook should be used to insert the quote link?','quote-comments'),
			"id" => "quote_comments_pluginhook",
			"std" => 'get_comment_text',
			"type" => "radio",
			"options" => array( 'get_comment_time' => "<code>get_comment_time</code> (places the link close to the authors name)",
								'get_comment_text' => "<code>get_comment_text</code> (places the link after the comment body text -- most compatible)") ),
	);

	return $qc_options;
}





function quotecomments_add_admin() {

	$qc_options = quote_comments_options_values();

	if ( ! empty( $_GET['page'] ) && $_GET['page'] == basename(__FILE__) ) {
    
		if ( ! empty( $_REQUEST['action'] ) && 'save' == $_REQUEST['action'] ) {

			// update options
			foreach ($qc_options as $value) {
				if( isset( $_REQUEST[ $value['id'] ] ) ) {
					update_option( esc_attr( $value['id'] ), sanitize_text_field( $_REQUEST[ $value['id'] ] ) );

				} else {
					delete_option( esc_attr( $value['id'] ) );
				}
			}

			header("Location: options-general.php?page=quote-comments.php&saved=true");
			die;

		}
	}

	// add options page
	add_options_page( 'Quote Comments', 'Quote Comments', 'manage_options', basename(__FILE__), 'quotecomments_admin');
	//add_options_page( $page_title, $menu_title, $capability, $menu_slug, $function);

}

function quotecomments_admin() {

	$qc_options = quote_comments_options_values();

	if (! empty( $_REQUEST['saved'] ) ) {
		echo '<div id="message" class="updated fade"><p><strong> Quote Comments '.__('settings saved.','quote-comments').'</strong></p></div>';
	}


	// Show options
?>
<div class="wrap">
<h2><?php _e('Quote Comments: General Options', 'quote-comments'); ?></h2>

<form method="post" action="">
	<?php // Smart options ?>
	<table class="form-table">

<?php foreach ($qc_options as $value) {
	switch ( $value['type'] ) {
		case 'text':
		?>
		<tr valign="top"> 
			<th scope="row"><label for="<?php echo $value['id']; ?>"><?php echo $value['name']; ?></label></th>
			<td>
				<input name="<?php echo $value['id']; ?>" id="<?php echo $value['id']; ?>" type="<?php echo $value['type']; ?>" value="<?php if ( get_option( $value['id'] ) != "") { echo esc_attr( get_option( $value['id'] ) ); } else { echo $value['std']; } ?>" />
				<?php 
				if ( ! empty( $value['desc'] ) ) {
					echo $value['desc'];
				}
				?>

			</td>
		</tr>
		<?php
		break;
		
		case 'select':
		?>
		<tr valign="top">
			<th scope="row"><label for="<?php echo $value['id']; ?>"><?php echo $value['name']; ?></label></th>
				<td>
					<select name="<?php echo $value['id']; ?>" id="<?php echo $value['id']; ?>">
					<?php foreach ($value['options'] as $option) { ?>
					<option<?php if ( get_option( $value['id'] ) == $option) { echo ' selected="selected"'; } elseif ($option == $value['std']) { echo ' selected="selected"'; } ?>><?php echo $option; ?></option>
					<?php } ?>
				</select>
			</td>
		</tr>
		<?php
		break;
		
		case 'textarea':
		$ta_options = $value['options'];
		?>
		<tr valign="top"> 
			<th scope="row"><label for="<?php echo $value['id']; ?>"><?php echo $value['name']; ?></label></th>
			<td><textarea name="<?php echo $value['id']; ?>" id="<?php echo $value['id']; ?>" cols="<?php echo $ta_options['cols']; ?>" rows="<?php echo $ta_options['rows']; ?>"><?php 
				if( get_option($value['id']) != "") {
						echo stripslashes( esc_attr( get_option($value['id'] ) ) );
					}else{
						echo $value['std'];
				}?></textarea><br /><?php echo $value['desc']; ?></td>
		</tr>
		<?php
		break;

		case 'radio':
		?>
		<tr valign="top"> 
			<th scope="row"><?php echo $value['name']; ?></th>
			<td>
				<?php foreach ($value['options'] as $key=>$option) { 
				$radio_setting = esc_attr( get_option($value['id'] ) );
				if($radio_setting != ''){
					if ($key == get_option($value['id']) ) {
						$checked = "checked=\"checked\"";
						} else {
							$checked = "";
						}
				}else{
					if($key == $value['std']){
						$checked = "checked=\"checked\"";
					}else{
						$checked = "";
					}
				}?>
				<input type="radio" name="<?php echo $value['id']; ?>" id="<?php echo $value['id'] . $key; ?>" value="<?php echo $key; ?>" <?php echo $checked; ?> /><label for="<?php echo $value['id'] . $key; ?>"><?php echo $option; ?></label><br />
				<?php } ?>
			</td>
		</tr>
		<?php
		break;
		
		case 'checkbox':
		?>
		<tr valign="top"> 
			<th scope="row"><?php echo $value['name']; ?></th>
			<td>
				<?php
					if(get_option($value['id'])){
						$checked = "checked=\"checked\"";
					}else{
						$checked = "";
					}
				?>
				<input type="checkbox" name="<?php echo $value['id']; ?>" id="<?php echo $value['id']; ?>" value="true" <?php echo $checked; ?> />
				<label for="<?php echo $value['id']; ?>"><?php echo $value['desc']; ?></label>
			</td>
		</tr>
		<?php
		break;

		default:

		break;
	}
}
?>

	</table>
	
	

	<p class="submit">
		<input class="button-primary" name="save" type="submit" value="<?php _e('Save changes','quote-comments'); ?>" />    
		<input type="hidden" name="action" value="save" />
	</p>
	
</form>

</div><?php //.wrap ?>
<?php
}

add_action('admin_menu' , 'quotecomments_add_admin');