statify-widget / statify-widget.php

statify-widget.php in Statify Widget 1.1.3, at statify-widget.php

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1	<?php
2	/*
3	Plugin Name: Statify Widget: Beliebte Inhalte
4	Description: Widget für populäre Seiten, Artikel und andere Inhaltstypen auf der Grundlage des datenschutzkonformen Statistik Plugin Statify von Sergej Müller.
5	Author: Finn Dohrn
6	Author URI: http://www.bit01.de/
7	Plugin URI: http://www.bit01.de/blog/statify-widget/
8	Version: 1.1.3
9	*/
10
11	require( 'Statify_Posts.class.php' );
12
13	define('DEFAULT_AMOUNT', 5);
14	define('DEFAULT_POST_TYPE','post');
15	define('DEFAULT_SUFFIX', '(%ANZAHL% Aufrufe)');
16
17	class StatifyWidget extends WP_Widget {
18	/*
19	* Register StatifyWidget to Wordpress
20	*/
21	function __construct() {
22	$widget_ops = array('classname' => 'statify-widget', 'description' => 'Zeigt beliebte Inhalte auf der Grundlage von Statify.' );
23	parent::__construct(
24	'StatifyWidget',
25	__('Statify Widget', 'text_domain'),
26	$widget_ops
27	);
28	}
29
30	/*
31	* Generating a from for settings
32	*/
33	function form($instance) {
34	$instance = wp_parse_args( (array) $instance, array(
35	'title' => '',
36	'amount' => DEFAULT_AMOUNT,
37	'post_type' => DEFAULT_POST_TYPE,
38	'show_visits' => 0,
39	'suffix' => DEFAULT_SUFFIX) );
40	$title = $instance['title'];
41	$amount = $instance['amount'];
42	$post_type = $instance['post_type'];
43	$show_visits = $instance['show_visits'];
44	$suffix = $instance['suffix'];
45	?>
46	<p>
47	<label for="<?php echo $this->get_field_id('title'); ?>">Titel:
48	<input class="widefat" id="<?php echo $this->get_field_id('title'); ?>" name="<?php echo $this->get_field_name('title'); ?>" type="text" value="<?php echo esc_attr($title); ?>" />
49	</label>
50	</p>
51	<p>
52	<label for="<?php echo $this->get_field_id('post_type'); ?>">Inhaltstyp:
53	<select class="widefat" id="<?php echo $this->get_field_id('post_type'); ?>" name="<?php echo $this->get_field_name('post_type'); ?>">
54	<?php
55	$post_types = get_post_types( array('public'=>true, 'show_ui'=>true), 'objects' );
56	foreach ( $post_types as $type ) {
57	echo '<option value="'. esc_attr($type->name) . '" '. selected( $post_type, $type->name ) .'>' . esc_attr($type->labels->name) . '</option>';
58	}
59	?>
60	</select>
61	</p>
62	<p>
63	<label for="<?php echo $this->get_field_id('amount'); ?>">Anzahl:
64	<input id="<?php echo $this->get_field_id('amount'); ?>" name="<?php echo $this->get_field_name('amount'); ?>" type="text" size="3" value="<?php echo esc_attr($amount); ?>" />
65	</label>
66	<label for="<?php echo $this->get_field_id('show_visits'); ?>">
67	<input class="checkbox widget-description" style="margin-left:15px;" type="checkbox" id="<?php echo $this->get_field_id('show_visits'); ?>" name="<?php echo $this->get_field_name('show_visits'); ?>" value="1" <?php checked($show_visits,1); ?>>
68	Aufrufe anzeigen?</label>
69	</p>
70	<p>
71	<label for="<?php echo $this->get_field_id('suffix'); ?>">Benutzerdefinierter Text:
72	<input id="<?php echo $this->get_field_id('suffix'); ?>" class="widefat" name="<?php echo $this->get_field_name('suffix'); ?>" type="text" value="<?php echo esc_attr($suffix); ?>" />
73	</label>
74	<small>%ANZAHL% = Anzahl der Aufrufe</small>
75	</p>
76	<?php
77	}
78
79	/*
80	* Override old instance with new instance.
81	*/
82	function update($new_instance, $old_instance) {
83	$instance = array();
84	$instance['title'] = ( ! empty( $new_instance['title'] ) ) ? sanitize_text_field( $new_instance['title'] ) : '';
85	$instance['post_type'] = ( ! empty( $new_instance['post_type'] ) ) ? $new_instance['post_type'] : DEFAULT_POST_TYPE;
86	$instance['amount'] = ( ! empty( $new_instance['amount'] ) ) ? sanitize_text_field( $new_instance['amount'] ) : DEFAULT_AMOUNT;
87	$instance['show_visits'] = ( ! empty( $new_instance['show_visits'] ) ) ? $new_instance['show_visits'] : 0;
88	$instance['suffix'] = ( ! empty( $new_instance['suffix'] ) ) ? sanitize_text_field( $new_instance['suffix'] ) : DEFAULT_SUFFIX;
89	return $instance;
90	}
91
92	/*
93	* Print the widget
94	*/
95	function widget($args, $instance) {
96	extract($args, EXTR_SKIP);
97
98	echo $before_widget;
99
100	$title = empty($instance['title']) ? '' : apply_filters('widget_title', $instance['title']);
101	$amount = empty($instance['amount']) ? DEFAULT_AMOUNT : $instance['amount'];
102	$post_type = empty($instance['post_type']) ? DEFAULT_POST_TYPE : $instance['post_type'];
103	$show_visits = empty($instance['show_visits']) ? 0 : 1;
104	$suffix = empty($instance['suffix']) ? DEFAULT_SUFFIX : $instance['suffix'];
105
106	if (!empty($title)) echo $before_title . $title . $after_title;
107
108	$popular_content = Statify_Posts::get_posts($post_type, $amount);
109	if (empty( $popular_content )) {
110	echo "<p>Es gibt noch keine Einträge.</p>";
111	} else {
112	echo '<ol class="statify-widget">'."\n";
113	foreach($popular_content as $post) {
114	$_suffix = ($show_visits) ? ' <span>' . str_replace("%ANZAHL%", intval($post['visits']), $suffix) . '</span>' : '';
115	echo '<li><a title="' . esc_html($post['title']) . '" href="' . esc_url($post['url']) . '">' . esc_html($post['title']) . '</a>'. $_suffix .'</li>'."\n";
116	}
117	echo "</ol>"."\n";
118	}
119
120	echo $after_widget;
121	}
122	}
123
124	/*
125	* Print error message in admin interface
126	*/
127	function showErrorMessages() {
128	$html = '<div class="error"><p>';
129	$html .= __( 'Bitte installieren und aktivieren Sie zuerst das <a target="_blank" href="http://wordpress.org/plugins/statify/">Statify</a> Plugin von Sergej Müller.', 'error-statify-widget' );
130	$html .= '</p></div>';
131	echo $html;
132	}
133
134	/*
135	* Check if Statify is acitivated
136	*/
137	function requires_statify_plugin() {
138	$plugin_bcd_plugin = 'statify/statify.php';
139	$plugin = plugin_basename( __FILE__ );
140	$plugin_data = get_plugin_data( __FILE__, false );
141
142	if ( !is_plugin_active( $plugin_bcd_plugin) ) {
143	deactivate_plugins ( $plugin );
144	add_action('admin_notices', 'showErrorMessages');
145	}
146	}
147
148	add_action( 'widgets_init', create_function('', 'return register_widget("StatifyWidget");') );
149	add_action( 'admin_init', 'requires_statify_plugin' );
150	?>
151