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<?php
defined( 'ABSPATH' ) or die( 'No script kiddies please!' );
/*
Plugin Name: danixland author signature
Description: Enqueue a signature on your posts and pages.
Plugin URI: http://danixland.net/?p=3694
Version: 1.1
Author: Danilo 'danix' Macrì
Author URI: http://danixland.net
License: GPL2
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: dnxasi
*/
/**
* Add plugin i18n domain: dnxasi
* @since 0.3
*/
load_plugin_textdomain('dnxasi', false, dirname( plugin_basename( __FILE__ ) ) . '/languages/');
/**
* Let's load our helper file ( utility functions )
* @since 1.1
*/
require( dirname( __FILE__ ) . '/inc/dnxasi_helper.php' );
if ( is_admin()) {
require_once( dirname(__FILE__) . '/inc/dnxasi-settings.php' );
}
// enqueue our js for the modal uploader
function dnxasi_enqueue_scripts($hook) {
wp_register_script( 'dnxasi_uploader_modal', plugins_url('/js/dnxasi_uploader_modal.js', __FILE__) );
$translation = array(
'frameTitle' => __('Select your signature', 'dnxasi'),
'buttonText' => __('Use Image', 'dnxasi'),
'placeholder' => plugins_url('/img/placeholder.png', __FILE__)
);
if ( current_user_can( 'publish_posts' ) ) {
if ( 'profile.php' != $hook ) {
return;
}
wp_enqueue_media();
wp_localize_script( 'dnxasi_uploader_modal', 'data', $translation );
wp_enqueue_script( 'dnxasi_uploader_modal', false , array('jquery'), '0.1' );
}
}
add_action('admin_enqueue_scripts', 'dnxasi_enqueue_scripts');
/**
* Adds additional user fields
* more info: http://justintadlock.com/archives/2009/09/10/adding-and-using-custom-user-profile-fields
*/
function dnxasi_add_signature( $user ) {
if ( ! current_user_can('publish_posts') )
return false;
$imagesrc = get_the_author_meta( 'dnxasi_meta_signature', $user->ID );
$imagesrc = ( ! empty($imagesrc) ) ? $imagesrc : plugins_url('/img/placeholder.png', __FILE__);
?>
<h2><?php _e( 'Profile signature', 'dnxasi' ); ?></h2>
<p><?php _e('if you don\'t select a signature image nothing will be displayed in the content of your posts or pages.', 'dnxasi'); ?></p>
<table class="form-table">
<tr>
<th><label for="dnxasi_meta_signature"><?php _e( 'add your signature image', 'dnxasi' ); ?></label></th>
<td>
<img id="dnxasi_signature_preview" src="<?php echo esc_url( $imagesrc ); ?>" style="width:450px"><br />
<!-- Outputs the text field and displays the URL of the image retrieved by the media uploader -->
<input type="text" name="dnxasi_meta_signature" id="dnxasi_meta_signature" value="<?php echo esc_url_raw( get_the_author_meta( 'dnxasi_meta_signature', $user->ID ) ); ?>" class="regular-text" readonly="readonly">
<!-- Outputs the save button -->
<input type='button' class="button-secondary" value="<?php _e( 'Select Signature', 'dnxasi' ); ?>" id="dnxasi_uploadimage">
<!-- Outputs the reset button -->
<input type='button' class="button-secondary" value="<?php _e( 'Remove Signature', 'dnxasi' ); ?>" id="dnxasi_deleteimage"><br>
<span class="description"><?php _e( 'Select and preview your signature image.', 'dnxasi' ); ?></span>
</td>
</tr>
</table><!-- end form-table -->
<?php } // dnxasi_add_signature
add_action( 'show_user_profile', 'dnxasi_add_signature' );
add_action( 'edit_user_profile', 'dnxasi_add_signature' );
/**
* Saves additional user fields to the database
*/
function dnxasi_save_signature( $user_id ) {
// only saves if the current user can edit user profiles
if ( ! current_user_can( 'edit_user', $user_id ) )
return false;
update_usermeta( $user_id, 'dnxasi_meta_signature', $_POST['dnxasi_meta_signature'] );
}
add_action( 'personal_options_update', 'dnxasi_save_signature' );
add_action( 'edit_user_profile_update', 'dnxasi_save_signature' );
/**
* Display the signature image only for authors who set it in the admin panel
* and only in single view.
*/
function dnxasi_display_content($content) {
global $page;
$options = get_option('dnxasi_settings');
$signature = get_the_author_meta('dnxasi_meta_signature');
$alignment = ( ! empty($options['dnxasi_signature_position']) ) ? $options['dnxasi_signature_position'] : 'right';
$signature_size = ( ! empty($options['dnxasi_signature_size']) ) ? $options['dnxasi_signature_size'] : '300';
if ( is_single() && is_main_query() && ( '' != $signature ) ) {
if ( ! dnxasi_is_post_paginated() || ( $page === dnxasi_post_last_page() ) ) {
$new_content = '<figure class="dnxasi_signature"><a href="' . get_bloginfo('url') . '/author/' . get_the_author_meta('user_login') . '"><img class="dnxasi_signature_image align' . $alignment . '" src="' . $signature . '" width="' . $signature_size . '" alt="' . get_the_author_meta('display_name') . '"></a></figure>';
$content .= $new_content;
}
}
return $content;
}
add_filter( 'the_content', 'dnxasi_display_content' );
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