From e8ea87943791cd08759880c3243316c8bd34983e Mon Sep 17 00:00:00 2001
From: danix <danix@danix.xyz>
Date: Wed, 4 Jul 2018 17:41:51 +0200
Subject: initial commit

---
 danixland-author-signature.php | 123 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 123 insertions(+)
 create mode 100644 danixland-author-signature.php

(limited to 'danixland-author-signature.php')

diff --git a/danixland-author-signature.php b/danixland-author-signature.php
new file mode 100644
index 0000000..e3ca3a9
--- /dev/null
+++ b/danixland-author-signature.php
@@ -0,0 +1,123 @@
+<?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' Macr&igrave;
+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"><img class="dnxasi_signature_image align' . $alignment . '" src="' . $signature . '" width="' . $signature_size . '" alt="' . get_the_author_meta('display_name') . '"></figure>';
+            $content .= $new_content;
+        }
+    }
+    return $content;
+}
+add_filter( 'the_content', 'dnxasi_display_content' );
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