summaryrefslogtreecommitdiffstats
path: root/wp-includes/widgets/class-wp-widget-archives.php
blob: 7457244833a459fb8815d6869ac66f1e087812c8 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
<?php
/**
 * Widget API: WP_Widget_Archives class
 *
 * @package WordPress
 * @subpackage Widgets
 * @since 4.4.0
 */

/**
 * Core class used to implement the Archives widget.
 *
 * @since 2.8.0
 *
 * @see WP_Widget
 */
class WP_Widget_Archives extends WP_Widget {

	/**
	 * Sets up a new Archives widget instance.
	 *
	 * @since 2.8.0
	 */
	public function __construct() {
		$widget_ops = array(
			'classname'                   => 'widget_archive',
			'description'                 => __( 'A monthly archive of your site&#8217;s Posts.' ),
			'customize_selective_refresh' => true,
			'show_instance_in_rest'       => true,
		);
		parent::__construct( 'archives', __( 'Archives' ), $widget_ops );
	}

	/**
	 * Outputs the content for the current Archives widget instance.
	 *
	 * @since 2.8.0
	 *
	 * @param array $args     Display arguments including 'before_title', 'after_title',
	 *                        'before_widget', and 'after_widget'.
	 * @param array $instance Settings for the current Archives widget instance.
	 */
	public function widget( $args, $instance ) {
		$default_title = __( 'Archives' );
		$title         = ! empty( $instance['title'] ) ? $instance['title'] : $default_title;

		/** This filter is documented in wp-includes/widgets/class-wp-widget-pages.php */
		$title = apply_filters( 'widget_title', $title, $instance, $this->id_base );

		$count    = ! empty( $instance['count'] ) ? '1' : '0';
		$dropdown = ! empty( $instance['dropdown'] ) ? '1' : '0';

		echo $args['before_widget'];

		if ( $title ) {
			echo $args['before_title'] . $title . $args['after_title'];
		}

		if ( $dropdown ) {
			$dropdown_id = "{$this->id_base}-dropdown-{$this->number}";
			?>
		<label class="screen-reader-text" for="<?php echo esc_attr( $dropdown_id ); ?>"><?php echo $title; ?></label>
		<select id="<?php echo esc_attr( $dropdown_id ); ?>" name="archive-dropdown">
			<?php
			/**
			 * Filters the arguments for the Archives widget drop-down.
			 *
			 * @since 2.8.0
			 * @since 4.9.0 Added the `$instance` parameter.
			 *
			 * @see wp_get_archives()
			 *
			 * @param array $args     An array of Archives widget drop-down arguments.
			 * @param array $instance Settings for the current Archives widget instance.
			 */
			$dropdown_args = apply_filters(
				'widget_archives_dropdown_args',
				array(
					'type'            => 'monthly',
					'format'          => 'option',
					'show_post_count' => $count,
				),
				$instance
			);

			switch ( $dropdown_args['type'] ) {
				case 'yearly':
					$label = __( 'Select Year' );
					break;
				case 'monthly':
					$label = __( 'Select Month' );
					break;
				case 'daily':
					$label = __( 'Select Day' );
					break;
				case 'weekly':
					$label = __( 'Select Week' );
					break;
				default:
					$label = __( 'Select Post' );
					break;
			}
			?>

			<option value=""><?php echo esc_html( $label ); ?></option>
			<?php wp_get_archives( $dropdown_args ); ?>

		</select>

			<?php ob_start(); ?>
<script>
(function() {
	var dropdown = document.getElementById( "<?php echo esc_js( $dropdown_id ); ?>" );
	function onSelectChange() {
		if ( dropdown.options[ dropdown.selectedIndex ].value !== '' ) {
			document.location.href = this.options[ this.selectedIndex ].value;
		}
	}
	dropdown.onchange = onSelectChange;
})();
</script>
			<?php
			wp_print_inline_script_tag( wp_remove_surrounding_empty_script_tags( ob_get_clean() ) );
		} else {
			$format = current_theme_supports( 'html5', 'navigation-widgets' ) ? 'html5' : 'xhtml';

			/** This filter is documented in wp-includes/widgets/class-wp-nav-menu-widget.php */
			$format = apply_filters( 'navigation_widgets_format', $format );

			if ( 'html5' === $format ) {
				// The title may be filtered: Strip out HTML and make sure the aria-label is never empty.
				$title      = trim( strip_tags( $title ) );
				$aria_label = $title ? $title : $default_title;
				echo '<nav aria-label="' . esc_attr( $aria_label ) . '">';
			}
			?>

			<ul>
				<?php
				wp_get_archives(
					/**
					 * Filters the arguments for the Archives widget.
					 *
					 * @since 2.8.0
					 * @since 4.9.0 Added the `$instance` parameter.
					 *
					 * @see wp_get_archives()
					 *
					 * @param array $args     An array of Archives option arguments.
					 * @param array $instance Array of settings for the current widget.
					 */
					apply_filters(
						'widget_archives_args',
						array(
							'type'            => 'monthly',
							'show_post_count' => $count,
						),
						$instance
					)
				);
				?>
			</ul>

			<?php
			if ( 'html5' === $format ) {
				echo '</nav>';
			}
		}

		echo $args['after_widget'];
	}

	/**
	 * Handles updating settings for the current Archives widget instance.
	 *
	 * @since 2.8.0
	 *
	 * @param array $new_instance New settings for this instance as input by the user via
	 *                            WP_Widget_Archives::form().
	 * @param array $old_instance Old settings for this instance.
	 * @return array Updated settings to save.
	 */
	public function update( $new_instance, $old_instance ) {
		$instance             = $old_instance;
		$new_instance         = wp_parse_args(
			(array) $new_instance,
			array(
				'title'    => '',
				'count'    => 0,
				'dropdown' => '',
			)
		);
		$instance['title']    = sanitize_text_field( $new_instance['title'] );
		$instance['count']    = $new_instance['count'] ? 1 : 0;
		$instance['dropdown'] = $new_instance['dropdown'] ? 1 : 0;

		return $instance;
	}

	/**
	 * Outputs the settings form for the Archives widget.
	 *
	 * @since 2.8.0
	 *
	 * @param array $instance Current settings.
	 */
	public function form( $instance ) {
		$instance = wp_parse_args(
			(array) $instance,
			array(
				'title'    => '',
				'count'    => 0,
				'dropdown' => '',
			)
		);
		?>
		<p>
			<label for="<?php echo $this->get_field_id( 'title' ); ?>"><?php _e( 'Title:' ); ?></label>
			<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( $instance['title'] ); ?>" />
		</p>
		<p>
			<input class="checkbox" type="checkbox"<?php checked( $instance['dropdown'] ); ?> id="<?php echo $this->get_field_id( 'dropdown' ); ?>" name="<?php echo $this->get_field_name( 'dropdown' ); ?>" />
			<label for="<?php echo $this->get_field_id( 'dropdown' ); ?>"><?php _e( 'Display as dropdown' ); ?></label>
			<br />
			<input class="checkbox" type="checkbox"<?php checked( $instance['count'] ); ?> id="<?php echo $this->get_field_id( 'count' ); ?>" name="<?php echo $this->get_field_name( 'count' ); ?>" />
			<label for="<?php echo $this->get_field_id( 'count' ); ?>"><?php _e( 'Show post counts' ); ?></label>
		</p>
		<?php
	}
}