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Accessibility: Media: Improve accessibility of the status and error messages in the Image Editor.
- improves focus management by moving focus to the notices, if any, or to the first "tabbable" element - this avoids a focus loss and helps Braille-only and screen magnification users to be aware of the messages - adds an ARIA role `alert` to all the notices - uses `wp.a11y.speak()` to announce messages to assistive technology - this way, all visual users will see the messages while assistive technology users will get an audible message - uses `wp.i18n` for translatable strings in `wp-admin/js/image-edit.js` Props anevins, ryanshoover, antpb, SergeyBiryukov, afercia. See #20491. Fixes #47147. Built from https://develop.svn.wordpress.org/trunk@48375 git-svn-id: http://core.svn.wordpress.org/trunk@48144 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Andrea Fercia
parent
181717c9ab
commit
aee4324b9e
@ -2607,8 +2607,11 @@ function wp_ajax_image_editor() {
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switch ( $_POST['do'] ) {
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case 'save':
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$msg = wp_save_image( $attachment_id );
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$msg = wp_json_encode( $msg );
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wp_die( $msg );
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if ( $msg->error ) {
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wp_send_json_error( $msg );
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}
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wp_send_json_success( $msg );
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break;
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case 'scale':
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$msg = wp_save_image( $attachment_id );
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@ -2618,8 +2621,25 @@ function wp_ajax_image_editor() {
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break;
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}
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ob_start();
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wp_image_editor( $attachment_id, $msg );
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wp_die();
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$html = ob_get_clean();
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if ( $msg->error ) {
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wp_send_json_error(
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array(
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'message' => $msg,
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'html' => $html,
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)
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);
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}
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wp_send_json_success(
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array(
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'message' => $msg,
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'html' => $html,
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)
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);
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}
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/**
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@ -38,9 +38,9 @@ function wp_image_editor( $post_id, $msg = false ) {
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if ( $msg ) {
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if ( isset( $msg->error ) ) {
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$note = "<div class='error'><p>$msg->error</p></div>";
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$note = "<div class='notice notice-error' tabindex='-1' role='alert'><p>$msg->error</p></div>";
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} elseif ( isset( $msg->msg ) ) {
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$note = "<div class='updated'><p>$msg->msg</p></div>";
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$note = "<div class='notice notice-success' tabindex='-1' role='alert'><p>$msg->msg</p></div>";
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}
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}
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@ -103,7 +103,7 @@ function wp_image_editor( $post_id, $msg = false ) {
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<div class="imgedit-group">
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<div class="imgedit-group-top">
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<h2><?php _e( 'Scale Image' ); ?></h2>
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<button type="button" class="dashicons dashicons-editor-help imgedit-help-toggle" onclick="imageEdit.toggleHelp(this);return false;" aria-expanded="false"><span class="screen-reader-text"><?php esc_html_e( 'Scale Image Help' ); ?></span></button>
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<button type="button" class="dashicons dashicons-editor-help imgedit-help-toggle" onclick="imageEdit.toggleHelp(this);" aria-expanded="false"><span class="screen-reader-text"><?php esc_html_e( 'Scale Image Help' ); ?></span></button>
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<div class="imgedit-help">
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<p><?php _e( 'You can proportionally scale the original image. For best results, scaling should be done before you crop, flip, or rotate. Images can only be scaled down, not up.' ); ?></p>
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</div>
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@ -141,7 +141,7 @@ function wp_image_editor( $post_id, $msg = false ) {
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<div class="imgedit-group">
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<div class="imgedit-group-top">
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<h2><button type="button" onclick="imageEdit.toggleHelp(this);" class="button-link"><?php _e( 'Restore Original Image' ); ?> <span class="dashicons dashicons-arrow-down imgedit-help-toggle"></span></button></h2>
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<h2><button type="button" onclick="imageEdit.toggleHelp(this);" class="button-link" aria-expanded="false"><?php _e( 'Restore original image' ); ?> <span class="dashicons dashicons-arrow-down imgedit-help-toggle"></span></button></h2>
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<div class="imgedit-help imgedit-restore">
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<p>
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<?php
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@ -164,7 +164,7 @@ function wp_image_editor( $post_id, $msg = false ) {
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<div class="imgedit-group">
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<div class="imgedit-group-top">
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<h2><?php _e( 'Image Crop' ); ?></h2>
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<button type="button" class="dashicons dashicons-editor-help imgedit-help-toggle" onclick="imageEdit.toggleHelp(this);return false;" aria-expanded="false"><span class="screen-reader-text"><?php esc_html_e( 'Image Crop Help' ); ?></span></button>
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<button type="button" class="dashicons dashicons-editor-help imgedit-help-toggle" onclick="imageEdit.toggleHelp(this);" aria-expanded="false"><span class="screen-reader-text"><?php esc_html_e( 'Image Crop Help' ); ?></span></button>
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<div class="imgedit-help">
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<p><?php _e( 'To crop the image, click on it and drag to make your selection.' ); ?></p>
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@ -209,7 +209,7 @@ function wp_image_editor( $post_id, $msg = false ) {
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<div class="imgedit-group imgedit-applyto">
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<div class="imgedit-group-top">
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<h2><?php _e( 'Thumbnail Settings' ); ?></h2>
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<button type="button" class="dashicons dashicons-editor-help imgedit-help-toggle" onclick="imageEdit.toggleHelp(this);return false;" aria-expanded="false"><span class="screen-reader-text"><?php esc_html_e( 'Thumbnail Settings Help' ); ?></span></button>
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<button type="button" class="dashicons dashicons-editor-help imgedit-help-toggle" onclick="imageEdit.toggleHelp(this);" aria-expanded="false"><span class="screen-reader-text"><?php esc_html_e( 'Thumbnail Settings Help' ); ?></span></button>
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<div class="imgedit-help">
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<p><?php _e( 'You can edit the image while preserving the thumbnail. For example, you may wish to have a square thumbnail that displays just a section of the image.' ); ?></p>
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</div>
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@ -5,9 +5,10 @@
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* @output wp-admin/js/image-edit.js
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*/
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/* global imageEditL10n, ajaxurl, confirm */
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/* global ajaxurl, confirm */
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(function($) {
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var __ = wp.i18n.__;
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/**
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* Contains all the methods to initialise and control the image editor.
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@ -137,28 +138,34 @@
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}
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});
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$( document ).on( 'image-editor-image-loaded', this.focusManager );
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$( document ).on( 'image-editor-ui-ready', this.focusManager );
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},
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/**
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* Toggles the wait/load icon in the editor.
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*
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* @since 2.9.0
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* @since 5.5.0 Added the triggerUIReady parameter.
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*
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* @memberof imageEdit
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*
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* @param {number} postid The post ID.
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* @param {number} toggle Is 0 or 1, fades the icon in then 1 and out when 0.
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* @param {number} postid The post ID.
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* @param {number} toggle Is 0 or 1, fades the icon in when 1 and out when 0.
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* @param {boolean} triggerUIReady Whether to trigger a custom event when the UI is ready. Default false.
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*
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* @return {void}
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*/
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toggleEditor : function(postid, toggle) {
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toggleEditor: function( postid, toggle, triggerUIReady ) {
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var wait = $('#imgedit-wait-' + postid);
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if ( toggle ) {
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wait.fadeIn( 'fast' );
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} else {
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wait.fadeOut('fast');
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wait.fadeOut( 'fast', function() {
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if ( triggerUIReady ) {
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$( document ).trigger( 'image-editor-ui-ready' );
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}
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} );
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}
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},
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@ -402,10 +409,16 @@
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t.toggleEditor(postid, 0);
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})
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.on('error', function() {
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$('#imgedit-crop-' + postid).empty().append('<div class="error"><p>' + imageEditL10n.error + '</p></div>');
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t.toggleEditor(postid, 0);
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})
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.on( 'error', function() {
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var errorMessage = __( 'Could not load the preview image. Please reload the page and try again.' );
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$( '#imgedit-crop-' + postid )
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.empty()
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.append( '<div class="notice notice-error" tabindex="-1" role="alert"><p>' + errorMessage + '</p></div>' );
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t.toggleEditor( postid, 0, true );
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wp.a11y.speak( errorMessage, 'assertive' );
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} )
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.attr('src', ajaxurl + '?' + $.param(data));
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},
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/**
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@ -466,14 +479,24 @@
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}
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t.toggleEditor(postid, 1);
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$.post(ajaxurl, data, function(r) {
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$('#image-editor-' + postid).empty().append(r);
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t.toggleEditor(postid, 0);
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$.post( ajaxurl, data, function( response ) {
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$( '#image-editor-' + postid ).empty().append( response.data.html );
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t.toggleEditor( postid, 0, true );
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// Refresh the attachment model so that changes propagate.
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if ( t._view ) {
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t._view.refresh();
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}
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});
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} ).done( function( response ) {
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// Whether the executed action was `scale` or `restore`, the response does have a message.
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if ( response && response.data.message.msg ) {
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wp.a11y.speak( response.data.message.msg );
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return;
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}
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if ( response && response.data.message.error ) {
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wp.a11y.speak( response.data.message.error );
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}
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} );
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},
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/**
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@ -511,27 +534,30 @@
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'do': 'save'
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};
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// Post the image edit data to the backend.
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$.post(ajaxurl, data, function(r) {
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// Read the response.
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var ret = JSON.parse(r);
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$.post( ajaxurl, data, function( response ) {
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// If a response is returned, close the editor and show an error.
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if ( ret.error ) {
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$('#imgedit-response-' + postid).html('<div class="error"><p>' + ret.error + '</p></div>');
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if ( response.data.error ) {
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$( '#imgedit-response-' + postid )
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.html( '<div class="notice notice-error" tabindex="-1" role="alert"><p>' + response.data.error + '</p></div>' );
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imageEdit.close(postid);
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wp.a11y.speak( response.data.error );
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return;
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}
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if ( ret.fw && ret.fh ) {
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$('#media-dims-' + postid).html( ret.fw + ' × ' + ret.fh );
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if ( response.data.fw && response.data.fh ) {
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$( '#media-dims-' + postid ).html( response.data.fw + ' × ' + response.data.fh );
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}
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if ( ret.thumbnail ) {
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$('.thumbnail', '#thumbnail-head-' + postid).attr('src', ''+ret.thumbnail);
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if ( response.data.thumbnail ) {
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$( '.thumbnail', '#thumbnail-head-' + postid ).attr( 'src', '' + response.data.thumbnail );
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}
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if ( ret.msg ) {
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$('#imgedit-response-' + postid).html('<div class="updated"><p>' + ret.msg + '</p></div>');
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if ( response.data.msg ) {
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$( '#imgedit-response-' + postid )
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.html( '<div class="notice notice-success" tabindex="-1" role="alert"><p>' + response.data.msg + '</p></div>' );
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wp.a11y.speak( response.data.msg );
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}
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if ( self._view ) {
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@ -559,8 +585,11 @@
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open : function( postid, nonce, view ) {
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this._view = view;
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var dfd, data, elem = $('#image-editor-' + postid), head = $('#media-head-' + postid),
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btn = $('#imgedit-open-btn-' + postid), spin = btn.siblings('.spinner');
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var dfd, data,
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elem = $( '#image-editor-' + postid ),
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head = $( '#media-head-' + postid ),
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btn = $( '#imgedit-open-btn-' + postid ),
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spin = btn.siblings( '.spinner' );
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/*
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* Instead of disabling the button, which causes a focus loss and makes screen
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@ -579,23 +608,37 @@
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'do': 'open'
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};
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dfd = $.ajax({
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dfd = $.ajax( {
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url: ajaxurl,
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type: 'post',
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data: data,
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beforeSend: function() {
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btn.addClass( 'button-activated' );
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}
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}).done(function( html ) {
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elem.html( html );
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head.fadeOut('fast', function(){
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elem.fadeIn('fast');
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} ).done( function( response ) {
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var errorMessage;
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if ( '-1' === response ) {
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errorMessage = __( 'Could not load the preview image.' );
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elem.html( '<div class="notice notice-error" tabindex="-1" role="alert"><p>' + errorMessage + '</p></div>' );
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}
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if ( response.data && response.data.html ) {
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elem.html( response.data.html );
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}
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head.fadeOut( 'fast', function() {
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elem.fadeIn( 'fast', function() {
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if ( errorMessage ) {
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$( document ).trigger( 'image-editor-ui-ready' );
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}
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} );
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btn.removeClass( 'button-activated' );
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spin.removeClass( 'is-active' );
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});
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} );
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// Initialise the Image Editor now that everything is ready.
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imageEdit.init( postid );
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});
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} );
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return dfd;
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},
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@ -622,9 +665,7 @@
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this.initCrop(postid, img, parent);
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this.setCropSelection( postid, { 'x1': 0, 'y1': 0, 'x2': 0, 'y2': 0, 'width': img.innerWidth(), 'height': img.innerHeight() } );
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this.toggleEditor(postid, 0);
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$( document ).trigger( 'image-editor-image-loaded' );
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this.toggleEditor( postid, 0, true );
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},
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/**
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@ -636,12 +677,19 @@
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*/
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focusManager: function() {
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/*
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* Editor is ready, move focus to the first focusable element. Since the
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* DOM update is pretty large, the timeout helps browsers update their
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* Editor is ready. Move focus to one of the admin alert notices displayed
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* after a user action or to the first focusable element. Since the DOM
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* update is pretty large, the timeout helps browsers update their
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* accessibility tree to better support assistive technologies.
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*/
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setTimeout( function() {
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$( '.imgedit-wrap' ).find( ':tabbable:first' ).focus();
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var elementToSetFocusTo = $( '.notice[role="alert"]' );
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if ( ! elementToSetFocusTo.length ) {
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elementToSetFocusTo = $( '.imgedit-wrap' ).find( ':tabbable:first' );
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}
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elementToSetFocusTo.focus();
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}, 100 );
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},
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2
wp-admin/js/image-edit.min.js
vendored
2
wp-admin/js/image-edit.min.js
vendored
File diff suppressed because one or more lines are too long
@ -1999,7 +1999,8 @@
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display: block;
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}
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.media-modal .imgedit-wrap div.updated {
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.media-modal .imgedit-wrap div.updated, /* Back-compat for pre-5.5 */
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.media-modal .imgedit-wrap .notice {
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margin: 0;
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margin-bottom: 16px;
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}
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2
wp-includes/css/media-views-rtl.min.css
vendored
2
wp-includes/css/media-views-rtl.min.css
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File diff suppressed because one or more lines are too long
@ -1998,7 +1998,8 @@
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display: block;
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}
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.media-modal .imgedit-wrap div.updated {
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.media-modal .imgedit-wrap div.updated, /* Back-compat for pre-5.5 */
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.media-modal .imgedit-wrap .notice {
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margin: 0;
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margin-bottom: 16px;
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}
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2
wp-includes/css/media-views.min.css
vendored
2
wp-includes/css/media-views.min.css
vendored
File diff suppressed because one or more lines are too long
@ -1376,14 +1376,8 @@ function wp_default_scripts( $scripts ) {
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)
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);
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$scripts->add( 'image-edit', "/wp-admin/js/image-edit$suffix.js", array( 'jquery', 'jquery-ui-core', 'json2', 'imgareaselect' ), false, 1 );
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did_action( 'init' ) && $scripts->localize(
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'image-edit',
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'imageEditL10n',
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array(
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'error' => __( 'Could not load the preview image. Please reload the page and try again.' ),
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)
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);
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$scripts->add( 'image-edit', "/wp-admin/js/image-edit$suffix.js", array( 'jquery', 'jquery-ui-core', 'json2', 'imgareaselect', 'wp-a11y' ), false, 1 );
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$scripts->set_translations( 'image-edit' );
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$scripts->add( 'set-post-thumbnail', "/wp-admin/js/set-post-thumbnail$suffix.js", array( 'jquery' ), false, 1 );
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did_action( 'init' ) && $scripts->localize(
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@ -13,7 +13,7 @@
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*
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* @global string $wp_version
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*/
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$wp_version = '5.5-alpha-48374';
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$wp_version = '5.5-alpha-48375';
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/**
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* Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.
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