summaryrefslogtreecommitdiffstats
path: root/wp-admin/includes/screen.php
blob: a3a41a655408a9fe967212deb5ad228e70ed54f7 (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
231
232
233
234
235
236
237
238
239
240
241
242
243
244
<?php
/**
 * WordPress Administration Screen API.
 *
 * @package WordPress
 * @subpackage Administration
 */

/**
 * Get the column headers for a screen
 *
 * @since 2.7.0
 *
 * @param string|WP_Screen $screen The screen you want the headers for
 * @return string[] The column header labels keyed by column ID.
 */
function get_column_headers( $screen ) {
	static $column_headers = array();

	if ( is_string( $screen ) ) {
		$screen = convert_to_screen( $screen );
	}

	if ( ! isset( $column_headers[ $screen->id ] ) ) {
		/**
		 * Filters the column headers for a list table on a specific screen.
		 *
		 * The dynamic portion of the hook name, `$screen->id`, refers to the
		 * ID of a specific screen. For example, the screen ID for the Posts
		 * list table is edit-post, so the filter for that screen would be
		 * manage_edit-post_columns.
		 *
		 * @since 3.0.0
		 *
		 * @param string[] $columns The column header labels keyed by column ID.
		 */
		$column_headers[ $screen->id ] = apply_filters( "manage_{$screen->id}_columns", array() );
	}

	return $column_headers[ $screen->id ];
}

/**
 * Get a list of hidden columns.
 *
 * @since 2.7.0
 *
 * @param string|WP_Screen $screen The screen you want the hidden columns for
 * @return string[] Array of IDs of hidden columns.
 */
function get_hidden_columns( $screen ) {
	if ( is_string( $screen ) ) {
		$screen = convert_to_screen( $screen );
	}

	$hidden = get_user_option( 'manage' . $screen->id . 'columnshidden' );

	$use_defaults = ! is_array( $hidden );

	if ( $use_defaults ) {
		$hidden = array();

		/**
		 * Filters the default list of hidden columns.
		 *
		 * @since 4.4.0
		 *
		 * @param string[]  $hidden Array of IDs of columns hidden by default.
		 * @param WP_Screen $screen WP_Screen object of the current screen.
		 */
		$hidden = apply_filters( 'default_hidden_columns', $hidden, $screen );
	}

	/**
	 * Filters the list of hidden columns.
	 *
	 * @since 4.4.0
	 * @since 4.4.1 Added the `use_defaults` parameter.
	 *
	 * @param string[]  $hidden       Array of IDs of hidden columns.
	 * @param WP_Screen $screen       WP_Screen object of the current screen.
	 * @param bool      $use_defaults Whether to show the default columns.
	 */
	return apply_filters( 'hidden_columns', $hidden, $screen, $use_defaults );
}

/**
 * Prints the meta box preferences for screen meta.
 *
 * @since 2.7.0
 *
 * @global array $wp_meta_boxes Global meta box state.
 *
 * @param WP_Screen $screen
 */
function meta_box_prefs( $screen ) {
	global $wp_meta_boxes;

	if ( is_string( $screen ) ) {
		$screen = convert_to_screen( $screen );
	}

	if ( empty( $wp_meta_boxes[ $screen->id ] ) ) {
		return;
	}

	$hidden = get_hidden_meta_boxes( $screen );

	foreach ( array_keys( $wp_meta_boxes[ $screen->id ] ) as $context ) {
		foreach ( array( 'high', 'core', 'default', 'low' ) as $priority ) {
			if ( ! isset( $wp_meta_boxes[ $screen->id ][ $context ][ $priority ] ) ) {
				continue;
			}

			foreach ( $wp_meta_boxes[ $screen->id ][ $context ][ $priority ] as $box ) {
				if ( false === $box || ! $box['title'] ) {
					continue;
				}

				// Submit box cannot be hidden.
				if ( 'submitdiv' === $box['id'] || 'linksubmitdiv' === $box['id'] ) {
					continue;
				}

				$widget_title = $box['title'];

				if ( is_array( $box['args'] ) && isset( $box['args']['__widget_basename'] ) ) {
					$widget_title = $box['args']['__widget_basename'];
				}

				$is_hidden = in_array( $box['id'], $hidden, true );

				printf(
					'<label for="%1$s-hide"><input class="hide-postbox-tog" name="%1$s-hide" type="checkbox" id="%1$s-hide" value="%1$s" %2$s />%3$s</label>',
					esc_attr( $box['id'] ),
					checked( $is_hidden, false, false ),
					$widget_title
				);
			}
		}
	}
}

/**
 * Gets an array of IDs of hidden meta boxes.
 *
 * @since 2.7.0
 *
 * @param string|WP_Screen $screen Screen identifier
 * @return string[] IDs of hidden meta boxes.
 */
function get_hidden_meta_boxes( $screen ) {
	if ( is_string( $screen ) ) {
		$screen = convert_to_screen( $screen );
	}

	$hidden = get_user_option( "metaboxhidden_{$screen->id}" );

	$use_defaults = ! is_array( $hidden );

	// Hide slug boxes by default.
	if ( $use_defaults ) {
		$hidden = array();

		if ( 'post' === $screen->base ) {
			if ( in_array( $screen->post_type, array( 'post', 'page', 'attachment' ), true ) ) {
				$hidden = array( 'slugdiv', 'trackbacksdiv', 'postcustom', 'postexcerpt', 'commentstatusdiv', 'commentsdiv', 'authordiv', 'revisionsdiv' );
			} else {
				$hidden = array( 'slugdiv' );
			}
		}

		/**
		 * Filters the default list of hidden meta boxes.
		 *
		 * @since 3.1.0
		 *
		 * @param string[]  $hidden An array of IDs of meta boxes hidden by default.
		 * @param WP_Screen $screen WP_Screen object of the current screen.
		 */
		$hidden = apply_filters( 'default_hidden_meta_boxes', $hidden, $screen );
	}

	/**
	 * Filters the list of hidden meta boxes.
	 *
	 * @since 3.3.0
	 *
	 * @param string[]  $hidden       An array of IDs of hidden meta boxes.
	 * @param WP_Screen $screen       WP_Screen object of the current screen.
	 * @param bool      $use_defaults Whether to show the default meta boxes.
	 *                                Default true.
	 */
	return apply_filters( 'hidden_meta_boxes', $hidden, $screen, $use_defaults );
}

/**
 * Register and configure an admin screen option
 *
 * @since 3.1.0
 *
 * @param string $option An option name.
 * @param mixed  $args   Option-dependent arguments.
 */
function add_screen_option( $option, $args = array() ) {
	$current_screen = get_current_screen();

	if ( ! $current_screen ) {
		return;
	}

	$current_screen->add_option( $option, $args );
}

/**
 * Get the current screen object
 *
 * @since 3.1.0
 *
 * @global WP_Screen $current_screen WordPress current screen object.
 *
 * @return WP_Screen|null Current screen object or null when screen not defined.
 */
function get_current_screen() {
	global $current_screen;

	if ( ! isset( $current_screen ) ) {
		return null;
	}

	return $current_screen;
}

/**
 * Set the current screen object
 *
 * @since 3.0.0
 *
 * @param string|WP_Screen $hook_name Optional. The hook name (also known as the hook suffix) used to determine the screen,
 *                                    or an existing screen object.
 */
function set_current_screen( $hook_name = '' ) {
	WP_Screen::get( $hook_name )->set_current_screen();
}