*
* @package WordPress
* @subpackage Administration
+ * @since 3.6.0
*/
/**
$return = array();
- foreach ( _wp_post_revision_fields() as $field => $name ) {
+ foreach ( _wp_post_revision_fields( $post ) as $field => $name ) {
/**
* Contextually filter a post revision field.
*
- * The dynamic portion of the hook name, $field, corresponds to each of the post
+ * The dynamic portion of the hook name, `$field`, corresponds to each of the post
* fields of the revision object being iterated over in a foreach statement.
*
* @since 3.6.0
* @param string $compare_from->$field The current revision field to compare to or from.
* @param string $field The current revision field.
* @param WP_Post $compare_from The revision post object to compare to or from.
- * @param string null The context of whether the current revision is the old or the new one. Values are 'to' or 'from'.
+ * @param string null The context of whether the current revision is the old
+ * or the new one. Values are 'to' or 'from'.
*/
$content_from = $compare_from ? apply_filters( "_wp_post_revision_field_$field", $compare_from->$field, $field, $compare_from, 'from' ) : '';
/** This filter is documented in wp-admin/includes/revision.php */
$content_to = apply_filters( "_wp_post_revision_field_$field", $compare_to->$field, $field, $compare_to, 'to' );
- $diff = wp_text_diff( $content_from, $content_to, array( 'show_split_view' => true ) );
+ $args = array(
+ 'show_split_view' => true
+ );
+
+ /**
+ * Filters revisions text diff options.
+ *
+ * Filters the options passed to wp_text_diff() when viewing a post revision.
+ *
+ * @since 4.1.0
+ *
+ * @param array $args {
+ * Associative array of options to pass to wp_text_diff().
+ *
+ * @type bool $show_split_view True for split view (two columns), false for
+ * un-split view (single column). Default true.
+ * }
+ * @param string $field The current revision field.
+ * @param WP_Post $compare_from The revision post to compare from.
+ * @param WP_Post $compare_to The revision post to compare to.
+ */
+ $args = apply_filters( 'revision_text_diff_options', $args, $field, $compare_from, $compare_to );
+
+ $diff = wp_text_diff( $content_from, $content_to, $args );
if ( ! $diff && 'post_title' === $field ) {
// It's a better user experience to still show the Title, even if it didn't change.
);
}
}
- return $return;
+
+ /**
+ * Filters the fields displayed in the post revision diff UI.
+ *
+ * @since 4.1.0
+ *
+ * @param array $return Revision UI fields. Each item is an array of id, name and diff.
+ * @param WP_Post $compare_from The revision post to compare from.
+ * @param WP_Post $compare_to The revision post to compare to.
+ */
+ return apply_filters( 'wp_get_revision_ui_diff', $return, $compare_from, $compare_to );
+
}
/**
*/
function wp_prepare_revisions_for_js( $post, $selected_revision_id, $from = null ) {
$post = get_post( $post );
- $revisions = $authors = array();
+ $authors = array();
$now_gmt = time();
$revisions = wp_get_post_revisions( $post->ID, array( 'order' => 'ASC', 'check_enabled' => false ) );
cache_users( wp_list_pluck( $revisions, 'post_author' ) );
$can_restore = current_user_can( 'edit_post', $post->ID );
+ $current_id = false;
foreach ( $revisions as $revision ) {
$modified = strtotime( $revision->post_modified );
$current_id = $revision->ID;
}
- $revisions[ $revision->ID ] = array(
+ $revisions_data = array(
'id' => $revision->ID,
'title' => get_the_title( $post->ID ),
'author' => $authors[ $revision->post_author ],
- 'date' => date_i18n( __( 'M j, Y @ G:i' ), $modified ),
- 'dateShort' => date_i18n( _x( 'j M @ G:i', 'revision date short format' ), $modified ),
+ 'date' => date_i18n( __( 'M j, Y @ H:i' ), $modified ),
+ 'dateShort' => date_i18n( _x( 'j M @ H:i', 'revision date short format' ), $modified ),
'timeAgo' => sprintf( __( '%s ago' ), human_time_diff( $modified_gmt, $now_gmt ) ),
'autosave' => $autosave,
'current' => $current,
'restoreUrl' => $can_restore ? $restore_link : false,
);
+
+ /**
+ * Filters the array of revisions used on the revisions screen.
+ *
+ * @since 4.4.0
+ *
+ * @param array $revisions_data {
+ * The bootstrapped data for the revisions screen.
+ *
+ * @type int $id Revision ID.
+ * @type string $title Title for the revision's parent WP_Post object.
+ * @type int $author Revision post author ID.
+ * @type string $date Date the revision was modified.
+ * @type string $dateShort Short-form version of the date the revision was modified.
+ * @type string $timeAgo GMT-aware amount of time ago the revision was modified.
+ * @type bool $autosave Whether the revision is an autosave.
+ * @type bool $current Whether the revision is both not an autosave and the post
+ * modified date matches the revision modified date (GMT-aware).
+ * @type bool|false $restoreUrl URL if the revision can be restored, false otherwise.
+ * }
+ * @param WP_Post $revision The revision's WP_Post object.
+ * @param WP_Post $post The revision's parent WP_Post object.
+ */
+ $revisions[ $revision->ID ] = apply_filters( 'wp_prepare_revision_for_js', $revisions_data, $revision, $post );
+ }
+
+ /**
+ * If we only have one revision, the initial revision is missing; This happens
+ * when we have an autsosave and the user has clicked 'View the Autosave'
+ */
+ if ( 1 === sizeof( $revisions ) ) {
+ $revisions[ $post->ID ] = array(
+ 'id' => $post->ID,
+ 'title' => get_the_title( $post->ID ),
+ 'author' => $authors[ $post->post_author ],
+ 'date' => date_i18n( __( 'M j, Y @ H:i' ), strtotime( $post->post_modified ) ),
+ 'dateShort' => date_i18n( _x( 'j M @ H:i', 'revision date short format' ), strtotime( $post->post_modified ) ),
+ 'timeAgo' => sprintf( __( '%s ago' ), human_time_diff( strtotime( $post->post_modified_gmt ), $now_gmt ) ),
+ 'autosave' => false,
+ 'current' => true,
+ 'restoreUrl' => false,
+ );
+ $current_id = $post->ID;
}
- // If a post has been saved since the last revision (no revisioned fields were changed)
- // we may not have a "current" revision. Mark the latest revision as "current".
+ /*
+ * If a post has been saved since the last revision (no revisioned fields
+ * were changed), we may not have a "current" revision. Mark the latest
+ * revision as "current".
+ */
if ( empty( $current_id ) ) {
if ( $revisions[ $revision->ID ]['autosave'] ) {
$revision = end( $revisions );
$revisions[ $current_id ]['current'] = true;
}
- // Now, grab the initial diff
+ // Now, grab the initial diff.
$compare_two_mode = is_numeric( $from );
if ( ! $compare_two_mode ) {
$found = array_search( $selected_revision_id, array_keys( $revisions ) );
'revisionIds' => array_keys( $revisions ),
);
}
+
+/**
+ * Print JavaScript templates required for the revisions experience.
+ *
+ * @since 4.1.0
+ *
+ * @global WP_Post $post The global `$post` object.
+ */
+function wp_print_revision_templates() {
+ global $post;
+ ?><script id="tmpl-revisions-frame" type="text/html">
+ <div class="revisions-control-frame"></div>
+ <div class="revisions-diff-frame"></div>
+ </script>
+
+ <script id="tmpl-revisions-buttons" type="text/html">
+ <div class="revisions-previous">
+ <input class="button" type="button" value="<?php echo esc_attr_x( 'Previous', 'Button label for a previous revision' ); ?>" />
+ </div>
+
+ <div class="revisions-next">
+ <input class="button" type="button" value="<?php echo esc_attr_x( 'Next', 'Button label for a next revision' ); ?>" />
+ </div>
+ </script>
+
+ <script id="tmpl-revisions-checkbox" type="text/html">
+ <div class="revision-toggle-compare-mode">
+ <label>
+ <input type="checkbox" class="compare-two-revisions"
+ <#
+ if ( 'undefined' !== typeof data && data.model.attributes.compareTwoMode ) {
+ #> checked="checked"<#
+ }
+ #>
+ />
+ <?php esc_attr_e( 'Compare any two revisions' ); ?>
+ </label>
+ </div>
+ </script>
+
+ <script id="tmpl-revisions-meta" type="text/html">
+ <# if ( ! _.isUndefined( data.attributes ) ) { #>
+ <div class="diff-title">
+ <# if ( 'from' === data.type ) { #>
+ <strong><?php _ex( 'From:', 'Followed by post revision info' ); ?></strong>
+ <# } else if ( 'to' === data.type ) { #>
+ <strong><?php _ex( 'To:', 'Followed by post revision info' ); ?></strong>
+ <# } #>
+ <div class="author-card<# if ( data.attributes.autosave ) { #> autosave<# } #>">
+ {{{ data.attributes.author.avatar }}}
+ <div class="author-info">
+ <# if ( data.attributes.autosave ) { #>
+ <span class="byline"><?php printf( __( 'Autosave by %s' ),
+ '<span class="author-name">{{ data.attributes.author.name }}</span>' ); ?></span>
+ <# } else if ( data.attributes.current ) { #>
+ <span class="byline"><?php printf( __( 'Current Revision by %s' ),
+ '<span class="author-name">{{ data.attributes.author.name }}</span>' ); ?></span>
+ <# } else { #>
+ <span class="byline"><?php printf( __( 'Revision by %s' ),
+ '<span class="author-name">{{ data.attributes.author.name }}</span>' ); ?></span>
+ <# } #>
+ <span class="time-ago">{{ data.attributes.timeAgo }}</span>
+ <span class="date">({{ data.attributes.dateShort }})</span>
+ </div>
+ <# if ( 'to' === data.type && data.attributes.restoreUrl ) { #>
+ <input <?php if ( wp_check_post_lock( $post->ID ) ) { ?>
+ disabled="disabled"
+ <?php } else { ?>
+ <# if ( data.attributes.current ) { #>
+ disabled="disabled"
+ <# } #>
+ <?php } ?>
+ <# if ( data.attributes.autosave ) { #>
+ type="button" class="restore-revision button button-primary" value="<?php esc_attr_e( 'Restore This Autosave' ); ?>" />
+ <# } else { #>
+ type="button" class="restore-revision button button-primary" value="<?php esc_attr_e( 'Restore This Revision' ); ?>" />
+ <# } #>
+ <# } #>
+ </div>
+ <# if ( 'tooltip' === data.type ) { #>
+ <div class="revisions-tooltip-arrow"><span></span></div>
+ <# } #>
+ <# } #>
+ </script>
+
+ <script id="tmpl-revisions-diff" type="text/html">
+ <div class="loading-indicator"><span class="spinner"></span></div>
+ <div class="diff-error"><?php _e( 'Sorry, something went wrong. The requested comparison could not be loaded.' ); ?></div>
+ <div class="diff">
+ <# _.each( data.fields, function( field ) { #>
+ <h3>{{ field.name }}</h3>
+ {{{ field.diff }}}
+ <# }); #>
+ </div>
+ </script><?php
+}
\ No newline at end of file
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