Automattic /
jetpack
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| 1 | <?php |
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| 2 | |||
| 3 | /** |
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| 4 | * Renders extra controls in the Gallery Settings section of the new media UI. |
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| 5 | */ |
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| 6 | class Jetpack_Gallery_Settings { |
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| 7 | function __construct() { |
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| 8 | add_action( 'admin_init', array( $this, 'admin_init' ) ); |
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| 9 | } |
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| 10 | |||
| 11 | function admin_init() { |
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| 12 | /** |
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| 13 | * Filter the available gallery types. |
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| 14 | * |
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| 15 | * @module shortcodes, tiled-gallery |
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| 16 | * |
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| 17 | * @since 2.5.1 |
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| 18 | * |
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| 19 | * @param array $value Array of the default thumbnail grid gallery type. Default array contains one key, ‘default’. |
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| 20 | * |
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| 21 | */ |
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| 22 | $this->gallery_types = apply_filters( 'jetpack_gallery_types', array( 'default' => __( 'Thumbnail Grid', 'jetpack' ) ) ); |
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| 23 | |||
| 24 | // Enqueue the media UI only if needed. |
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| 25 | if ( count( $this->gallery_types ) > 1 ) { |
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| 26 | add_action( 'wp_enqueue_media', array( $this, 'wp_enqueue_media' ) ); |
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| 27 | add_action( 'print_media_templates', array( $this, 'print_media_templates' ) ); |
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| 28 | } |
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| 29 | } |
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| 30 | |||
| 31 | /** |
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| 32 | * Registers/enqueues the gallery settings admin js. |
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| 33 | */ |
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| 34 | function wp_enqueue_media() { |
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| 35 | View Code Duplication | if ( ! wp_script_is( 'jetpack-gallery-settings', 'registered' ) ) { |
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| 36 | /** |
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| 37 | * This only happens if we're not in Jetpack, but on WPCOM instead. |
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| 38 | * This is the correct path for WPCOM. |
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| 39 | */ |
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| 40 | wp_register_script( 'jetpack-gallery-settings', plugins_url( 'gallery-settings/gallery-settings.js', __FILE__ ), array( 'media-views' ), '20121225' ); |
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| 41 | } |
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| 42 | |||
| 43 | wp_enqueue_script( 'jetpack-gallery-settings' ); |
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| 44 | } |
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| 45 | |||
| 46 | /** |
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| 47 | * Outputs a view template which can be used with wp.media.template |
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| 48 | */ |
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| 49 | function print_media_templates() { |
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| 50 | /** |
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| 51 | * Filter the default gallery type. |
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| 52 | * |
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| 53 | * @module tiled-gallery |
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| 54 | * |
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| 55 | * @since 2.5.1 |
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| 56 | * |
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| 57 | * @param string $value A string of the gallery type. Default is ‘default’. |
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| 58 | * |
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| 59 | */ |
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| 60 | $default_gallery_type = apply_filters( 'jetpack_default_gallery_type', 'default' ); |
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| 61 | |||
| 62 | ?> |
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| 63 | <script type="text/html" id="tmpl-jetpack-gallery-settings"> |
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| 64 | <label class="setting"> |
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| 65 | <span><?php _e( 'Type', 'jetpack' ); ?></span> |
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| 66 | <select class="type" name="type" data-setting="type"> |
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| 67 | <?php foreach ( $this->gallery_types as $value => $caption ) : ?> |
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| 68 | <option value="<?php echo esc_attr( $value ); ?>" <?php selected( $value, $default_gallery_type ); ?>><?php echo esc_html( $caption ); ?></option> |
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| 69 | <?php endforeach; ?> |
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| 70 | </select> |
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| 71 | </label> |
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| 72 | </script> |
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| 73 | <?php |
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| 74 | } |
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| 75 | } |
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| 76 | new Jetpack_Gallery_Settings; |
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| 77 |
In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code:
Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: