index.php

<?php
/*
Plugin Name: Herrnhuter Losung
Plugin URI: https://github.com/hesstobi/herrnhuter-losung-widget
Git URI: https://github.com/hesstobi/herrnhuter-losung-widget
Description: Dieses Plugin erstellt ein Sidebar-Widget, was die heutige Losung der Herrnhuter Brüdergemeine auf der Sidebar ausgibt.
Author: Tobias Heß, Benjamin Pick, Thomas Arend
Version: 1.7.6
Author URI: http://www.tobiashess.de / https://byggvir.de
License: GPLv2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
*/
/**
License:
==============================================================================
Copyright 2009 Tobias Heß  (email : me@tobiashess.de)

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.

The Losungen of the Herrnhuter Brüdergemeine are copyrighted. Owner of
copyright is the Evangelische Brüder-Unität – Herrnhuter Brüdergemeine.
The biblical texts from the Lutheran Bible, revised texts in 2017, 
and from the Lutheran Bible, revised texts in 1984, revised
edition with a new spelling, subject to the copyright of the German Bible
Society, Stuttgart.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

Requirements:
==============================================================================
This plugin requires WordPress >= 2.8 and tested with PHP Interpreter >= 5.2.10
*/

// Security check: Exit if script is called directly

defined( 'ABSPATH' ) or die( 'No script kiddies please!' );

define( "HHL", 'HHL_' );

require_once (dirname(__FILE__) . '/lib/xmlfilereader.php');
require_once (dirname(__FILE__) . '/lib/xml_automatic_updater.php');


class Losung_Widget extends WP_Widget {
	
	function __construct() {
		$widget_default_options = array(
			'classname' => 'widget_losung',
			'description' => 'Die heutige Losung der Herrnhuter Brüdergemeine'
		);
		parent::__construct('losung', 'Herrnhuter Losung', $widget_default_options);
		
		new HerrnhuterLosungenPlugin_Xml_Automatic_Update();
	}

	function widget($args, $instance) {
		$title = apply_filters('widget_title', $instance['title'] );
		
		$showlink = isset( $instance['showlink'] ) ? $instance['showlink'] : false;
		
		echo $args['before_widget'];
		
		#Titel ausgeben
		if ( $title )
			echo $args['before_title'] . $title . $args['after_title'];
		
		try {
			$this->showLosungen($showlink);
		} catch (Exception $e) {
			echo $e->getMessage();
		}

		echo $args['after_widget'];
	}
	
	function showLosungen($showlink)
	{
		echo "<!-- Losung Widget Version 1.7.5 -->";
		
		#Losung einlesen
		
        $losungen = new HerrnhuterLosungenPlugin_Xml();
		$verseFuerHeute = $losungen->getVerse();

		#Losung ausgeben:
		$options = array('showlink' => $showlink);
		
		foreach ($verseFuerHeute as $name => $vers)
		{
			$options['css'] = 'losung-' . $name;
			$text_formatted = $losungen->convertTextToHtml($vers['text']);
			$this->showBibleVers($text_formatted, $vers['vers'], $options);
		}
		
		#Copyright ausgeben
		
		?>
		
		<p class="losung-copy">
		<a href="http://www.herrnhuter.de" target="_blank" title="Evangelische Br&uuml;der-Unit&auml;t">&copy; Evangelische Br&uuml;der-Unit&auml;t – Herrnhuter Br&uuml;dergemeine</a> <br>
		<a href="https://www.losungen.de" target="_blank" title="www.losungen.de">Weitere Informationen finden Sie hier</a>
		</p>
		
		<?php
	}
	
	function showBibleVers($text, $vers, $options = array())
	{
		include(dirname(__FILE__) . '/views/frontend_verse.php');
	}
	
	/* Widget options GUI */	
	
	function update($new_instance, $old_instance) {
		$instance = $old_instance;
		$instance['title'] = $new_instance['title'];
		$instance['showlink'] = $new_instance['showlink'];
		
		return $instance;
	}
	
	function checkIfInstalled($dates) {
		$losungReader = new HerrnhuterLosungenPlugin_Xml();
	    $ret = array();
	    
	    foreach ($dates as $date)
	    {
	    	$installed = $losungReader->checkIfLosungenAvailable($date);
    		$ret[] = array('date' => $date, 'installed' => $installed);
	    }
	    
	    return $ret;
	}
 
	function form($instance) {
		$default = array(
			'title' => 'Die heutige Losung',
			'showlink' => true
		);
	    $instance = wp_parse_args( (array) $instance, $default);
	    
	    $_now = getdate();
	    $_nextYear = getdate(strtotime('next year'));
	    $installed = $this->checkIfInstalled(array($_now, $_nextYear));
	    
	    
	    include(dirname(__FILE__) . '/views/widget_options.php');
	}
}

/*
 * Cascading Style Sheets   
 */

function add_herrnhuter_stylesheet( )
 {
  wp_register_style( HHL . 'StyleSheets', plugins_url( 'css/styles.css', __FILE__ ) );
  wp_enqueue_style( HHL . 'StyleSheets' );
 }

// Add the EVTStyleSheets

add_action( 'wp_print_styles', 'add_herrnhuter_stylesheet' );

function LosungInit() {
  register_widget('Losung_Widget');
}
add_action('widgets_init', 'LosungInit');

function LosungUpdate() {
	$updater = new HerrnhuterLosungenPlugin_Xml_Automatic_Update();
	$updater->updater_gui();
}
add_action('widgets_admin_page', 'LosungUpdate')
?>