jetpack / modules / widgets / readmill.php

readmill.php in Jetpack – WP Security, Backup, Speed, & Growth 2.4.7, at modules/widgets/readmill.php

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1	<?php
2	class Jetpack_Readmill_Widget extends WP_Widget {
3	var $default_title, $default_size;
4
5	/**
6	* Registers the widget with WordPress.
7	*/
8	function __construct() {
9	parent::__construct(
10	'jetpack_readmill_widget', // Base ID
11	apply_filters( 'jetpack_widget_name', esc_html__( 'Send To Readmill', 'jetpack' ) ),
12	array(
13	'description' => esc_html__( 'Readmill is the best book reader for phones and tablets. With this widget you can enable users to send a book to their device with one click.', 'jetpack' ),
14	)
15	);
16
17	if ( is_active_widget( false, false, $this->id_base ) \|\| is_active_widget( false, false, 'monster' ) ) {
18	add_action( 'wp_enqueue_scripts', array( $this, 'enqueue_script' ) );
19	}
20
21	$this->default_title = __( 'Send To Readmill', 'jetpack' );
22	$this->default_size = 'large';
23	}
24
25	function enqueue_script() {
26	wp_enqueue_script( 'readmill', 'https://platform.readmill.com/send.js', array(), '20130220', false );
27	}
28
29	/**
30	* Back-end widget form.
31	*
32	* @see WP_Widget::form()
33	*
34	* @param array $instance Previously saved values from database.
35	*/
36	function form( $instance ) {
37	$title = isset( $instance['title' ] ) ? $instance['title'] : false;
38	if ( false === $title ) {
39	$title = $this->default_title;
40	}
41
42	$epub_link = isset( $instance['epub_link'] ) ? $instance['epub_link'] : '';
43	$buy_link = isset( $instance['buy_link'] ) ? $instance['buy_link'] : '';
44	$size = isset( $instance['size'] ) ? $instance['size'] : $this->default_size;
45	?>
46
47	<p><?php printf( __( "Just enter the URL to your book, make sure it's a PDF or EPUB file, and you are ready to go. For more help, head to <a href='%s'>the Readmill WordPress Widget support page</a>.", 'jetpack' ), 'http://en.support.wordpress.com/widgets/readmill/' ); ?></p>
48
49	<p>
50	<label for="<?php echo $this->get_field_id( 'title' ); ?>"><?php esc_html_e( 'Title:', 'jetpack' ); ?></label>
51	<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 ); ?>" />
52	</p>
53
54	<p>
55	<label for="<?php echo $this->get_field_id( 'epub_link' ); ?>"><?php esc_html_e( 'Download URL:', 'jetpack' ); ?></label>
56	<input class="widefat" id="<?php echo $this->get_field_id( 'epub_link' ); ?>" name="<?php echo $this->get_field_name( 'epub_link' ); ?>" type="text" value="<?php echo esc_attr( $epub_link ); ?>" />
57	</p>
58
59	<p>
60	<label for="<?php echo $this->get_field_id( 'buy_link' ); ?>"><?php esc_html_e( 'Item URL:', 'jetpack' ); ?></label>
61	<input class="widefat" id="<?php echo $this->get_field_id( 'buy_link' ); ?>" name="<?php echo $this->get_field_name( 'buy_link' ); ?>" type="text" value="<?php echo esc_attr( $buy_link ); ?>" />
62	</p>
63
64	<p>
65	<label><?php esc_html_e( 'What size icon?', 'jetpack' ); ?></label>
66	<ul>
67	<li><label><input id="<?php echo $this->get_field_id( 'size' ); ?>-few" name="<?php echo $this->get_field_name( 'size' ); ?>" type="radio" value="large" <?php checked( 'large', $size ); ?> /> <?php esc_html_e( 'Large', 'jetpack' ); ?></label></li>
68	<li><label><input id="<?php echo $this->get_field_id( 'size' ); ?>-lots" name="<?php echo $this->get_field_name( 'size' ); ?>" type="radio" value="small" <?php checked( 'small', $size ); ?> /> <?php esc_html_e( 'Small', 'jetpack' ); ?></label></li>
69	</ul>
70	</p>
71
72	<?php
73	}
74
75	/**
76	* Sanitize widget form values as they are saved.
77	*
78	* @see WP_Widget::update()
79	*
80	* @param array $new_instance Values just sent to be saved.
81	* @param array $old_instance Previously saved values from database.
82	*
83	* @return array Updated safe values to be saved.
84	*/
85	function update( $new_instance, $old_instance ) {
86	$instance = array();
87	$instance['title'] = wp_kses( $new_instance['title'], array() );
88	$instance['epub_link'] = wp_kses( $new_instance['epub_link'], array() );
89	$instance['buy_link'] = wp_kses( $new_instance['buy_link'], array() );
90	$instance['size'] = wp_kses( $new_instance['size'], array() );
91
92	if ( $this->default_title === $instance['title'] ) {
93	$instance['title'] = false; // Store as false in case of language change
94	}
95
96	return $instance;
97	}
98
99	/**
100	* Front-end display of widget.
101	*
102	* @see WP_Widget::widget()
103	*
104	* @param array $args Widget arguments.
105	* @param array $instance Saved values from database.
106	*/
107	function widget( $args, $instance ) {
108	$title = isset( $instance['title' ] ) ? $instance['title'] : false;
109
110	if ( false === $title )
111	$title = $this->default_title;
112
113	$title = apply_filters( 'widget_title', $title );
114
115	echo $args['before_widget'];
116
117	if ( ! empty( $title ) )
118	echo $args['before_title'] . $title . $args['after_title'];
119
120	$epub_link = isset( $instance['epub_link'] ) ? $instance['epub_link'] : '';
121	$buy_link = isset( $instance['buy_link'] ) ? $instance['buy_link'] : '';
122	$size = isset( $instance['size'] ) ? $instance['size'] : $this->default_size;
123
124	if ( empty( $epub_link ) && current_user_can( 'edit_theme_options' ) ) :
125	?><p><?php esc_html_e( 'Your ePub link is empty. Provide an ePub link to display the Send to Readmill widget.', 'jetpack' ); ?></p><?php
126	else :
127	?><a class="send-to-readmill" href="https://readmill.com" data-download-url="<?php echo esc_attr( $epub_link ); ?>" data-buy-url="<?php echo esc_attr( $epub_link ); ?>" data-display="<?php echo esc_attr( $size ); ?>">Send to Readmill</a><?php
128	endif;
129
130	echo $args['after_widget'];
131	}
132	}
133
134	function jetpack_readmill_widget_init() {
135	register_widget( 'Jetpack_Readmill_Widget' );
136	}
137
138	add_action( 'widgets_init', 'jetpack_readmill_widget_init' );
139