/**
* @file Contains all dynamic functionality needed on post and term pages.
*
* @output wp-admin/js/post.js
*/

/* global ajaxurl, wpAjax, postboxes, pagenow, tinymce, alert, deleteUserSetting, ClipboardJS */
/* global theList:true, theExtraList:true, getUserSetting, setUserSetting, commentReply, commentsBox */
/* global WPSetThumbnailHTML, wptitlehint */

// Backward compatibility: prevent fatal errors.
window.makeSlugeditClickable = window.editPermalink = function(){};

// Make sure the wp object exists.
window.wp = window.wp || {};

( function( $ ) {
var titleHasFocus = false,
__ = wp.i18n.__;

/**
* Control loading of comments on the post and term edit pages.
*
* @type {{st: number, get: commentsBox.get, load: commentsBox.load}}
*
* @namespace commentsBox
*/
window.commentsBox = {
// Comment offset to use when fetching new comments.
st : 0,

/**
* Fetch comments using Ajax and display them in the box.
*
* @memberof commentsBox
*
* @param {number} total Total number of comments for this post.
* @param {number} num Optional. Number of comments to fetch, defaults to 20.
* @return {boolean} Always returns false.
*/
get : function(total, num) {
var st = this.st, data;
if ( ! num )
num = 20;

this.st += num;
this.total = total;
$( '#commentsdiv .spinner' ).addClass( 'is-active' );

data = {
'action' : 'get-comments',
'mode' : 'single',
'_ajax_nonce' : $('#add_comment_nonce').val(),
'p' : $('#post_ID').val(),
'start' : st,
'number' : num
};

$.post(
ajaxurl,
data,
function(r) {
r = wpAjax.parseAjaxResponse(r);
$('#commentsdiv .widefat').show();
$( '#commentsdiv .spinner' ).removeClass( 'is-active' );

if ( 'object' == typeof r && r.responses[0] ) {
$('#the-comment-list').append( r.responses[0].data );

theList = theExtraList = null;
$( 'a[className*=\':\']' ).off();

// If the offset is over the total number of comments we cannot fetch any more, so hide the button.
if ( commentsBox.st > commentsBox.total )
$('#show-comments').hide();
else
$('#show-comments').show().children('a').text( __( 'Show more comments' ) );

return;
} else if ( 1 == r ) {
$('#show-comments').text( __( 'No more comments found.' ) );
return;
}

$('#the-comment-list').append('<tr><td colspan="2">'+wpAjax.broken+'</td></tr>');
}
);

return false;
},

/**
* Load the next batch of comments.
*
* @memberof commentsBox
*
* @param {number} total Total number of comments to load.
*/
load: function(total){
this.st = jQuery('#the-comment-list tr.comment:visible').length;
this.get(total);
}
};

/**
* Overwrite the content of the Featured Image postbox
*
* @param {string} html New HTML to be displayed in the content area of the postbox.
*
* @global
*/
window.WPSetThumbnailHTML = function(html){
$('.inside', '#postimagediv').html(html);
};

/**
* Set the Image ID of the Featured Image
*
* @param {number} id The post_id of the image to use as Featured Image.
*
* @global
*/
window.WPSetThumbnailID = function(id){
var field = $('input[value="_thumbnail_id"]', '#list-table');
if ( field.length > 0 ) {
$('#meta\\[' + field.attr('id').match(/[0-9]+/) + '\\]\\[value\\]').text(id);
}
};

/**
* Remove the Featured Image
*
* @param {string} nonce Nonce to use in the request.
*
* @global
*/
window.WPRemoveThumbnail = function(nonce){
$.post(
ajaxurl, {
action: 'set-post-thumbnail',
post_id: $( '#post_ID' ).val(),
thumbnail_id: -1,
_ajax_nonce: nonce,
cookie: encodeURIComponent( document.cookie )
},
/**
* Handle server response
*
* @param {string} str Response, will be '0' when an error occurred otherwise contains link to add Featured Image.
*/
function(str){
if ( str == '0' ) {
alert( __( 'Could not set that as the thumbnail image. Try a different attachment.' ) );
} else {
WPSetThumbnailHTML(str);
}
}
);
};

/**
* Heartbeat locks.
*
* Used to lock editing of an object by only one user at a time.
*
* When the user does not send a heartbeat in a heartbeat-time
* the user is no longer editing and another user can start editing.
*/
$(document).on( 'heartbeat-send.refresh-lock', function( e, data ) {
var lock = $('#active_post_lock').val(),
post_id = $('#post_ID').val(),
send = {};

if ( ! post_id || ! $('#post-lock-dialog').length )
return;

send.post_id = post_id;

if ( lock )
send.lock = lock;

data['wp-refresh-post-lock'] = send;

}).on( 'heartbeat-tick.refresh-lock', function( e, data ) {
// Post locks: update the lock string or show the dialog if somebody has taken over editing.
var received, wrap, avatar;

if ( data['wp-refresh-post-lock'] ) {
received = data['wp-refresh-post-lock'];

if ( received.lock_error ) {
// Show "editing taken over" message.
wrap = $('#post-lock-dialog');

if ( wrap.length && ! wrap.is(':visible') ) {
if ( wp.autosave ) {
// Save the latest changes and disable.
$(document).one( 'heartbeat-tick', function() {
wp.autosave.server.suspend();
wrap.removeClass('saving').addClass('saved');
$(window).off( 'beforeunload.edit-post' );
});

wrap.addClass('saving');
wp.autosave.server.triggerSave();
}

if ( received.lock_error.avatar_src ) {
avatar = $( '<img />', {
'class': 'avatar avatar-64 photo',
width: 64,
height: 64,
alt: '',
src: received.lock_error.avatar_src,
srcset: received.lock_error.avatar_src_2x ?
received.lock_error.avatar_src_2x + ' 2x' :
undefined
} );
wrap.find('div.post-locked-avatar').empty().append( avatar );
}

wrap.show().find('.currently-editing').text( received.lock_error.text );
wrap.find('.wp-tab-first').trigger( 'focus' );
}
} else if ( received.new_lock ) {
$('#active_post_lock').val( received.new_lock );
}
}
}).on( 'before-autosave.update-post-slug', function() {
titleHasFocus = document.activeElement && document.activeElement.id === 'title';
}).on( 'after-autosave.update-post-slug', function() {

/*
* Create slug area only if not already there
* and the title field was not focused (user was not typing a title) when autosave ran.
*/
if ( ! $('#edit-slug-box > *').length && ! titleHasFocus ) {
$.post( ajaxurl, {
action: 'sample-permalink',
post_id: $('#post_ID').val(),
new_title: $('#title').val(),
samplepermalinknonce: $('#samplepermalinknonce').val()
},
function( data ) {
if ( data != '-1' ) {
$('#edit-slug-box').html(data);
}
}
);
}
});

}(jQuery));

/**
* Heartbeat refresh nonces.
*/
(function($) {
var check, timeout;

/**
* Only allow to check for nonce refresh every 30 seconds.
*/
function schedule() {
check = false;
window.clearTimeout( timeout );
timeout = window.setTimeout( function(){ check = true; }, 300000 );
}

$( function() {
schedule();
}).on( 'heartbeat-send.wp-refresh-nonces', function( e, data ) {
var post_id,
$authCheck = $('#wp-auth-check-wrap');

if ( check || ( $authCheck.length && ! $authCheck.hasClass( 'hidden' ) ) ) {
if ( ( post_id = $('#post_ID').val() ) && $('#_wpnonce').val() ) {
data['wp-refresh-post-nonces'] = {
post_id: post_id
};
}
}
}).on( 'heartbeat-tick.wp-refresh-nonces', function( e, data ) {
var nonces = data['wp-refresh-post-nonces'];

if ( nonces ) {
schedule();

if ( nonces.replace ) {
$.each( nonces.replace, function( selector, value ) {
$( '#' + selector ).val( value );
});
}

if ( nonces.heartbeatNonce )
window.heartbeatSettings.nonce = nonces.heartbeatNonce;
}
});
}(jQuery));

/**
* All post and postbox controls and functionality.
*/
jQuery( function($) {
var stamp, visibility, $submitButtons, updateVisibility, updateText,
$textarea = $('#content'),
$document = $(document),
postId = $('#post_ID').val() || 0,
$submitpost = $('#submitpost'),
releaseLock = true,
$postVisibilitySelect = $('#post-visibility-select'),
$timestampdiv = $('#timestampdiv'),
$postStatusSelect = $('#post-status-select'),
isMac = window.navigator.platform ? window.navigator.platform.indexOf( 'Mac' ) !== -1 : false,
copyAttachmentURLClipboard = new ClipboardJS( '.copy-attachment-url.edit-media' ),
copyAttachmentURLSuccessTimeout,
__ = wp.i18n.__, _x = wp.i18n._x;

postboxes.add_postbox_toggles(pagenow);

/*
* Clear the window name. Otherwise if this is a former preview window where the user navigated to edit another post,
* and the first post is still being edited, clicking Preview there will use this window to show the preview.
*/
window.name = '';

// Post locks: contain focus inside the dialog. If the dialog is shown, focus the first item.
$('#post-lock-dialog .notification-dialog').on( 'keydown', function(e) {
// Don't do anything when [Tab] is pressed.
if ( e.which != 9 )
return;

var target = $(e.target);

// [Shift] + [Tab] on first tab cycles back to last tab.
if ( target.hasClass('wp-tab-first') && e.shiftKey ) {
$(this).find('.wp-tab-last').trigger( 'focus' );
e.preventDefault();
// [Tab] on last tab cycles back to first tab.
} else if ( target.hasClass('wp-tab-last') && ! e.shiftKey ) {
$(this).find('.wp-tab-first').trigger( 'focus' );
e.preventDefault();
}
}).filter(':visible').find('.wp-tab-first').trigger( 'focus' );

// Set the heartbeat interval to 10 seconds if post lock dialogs are enabled.
if ( wp.heartbeat && $('#post-lock-dialog').length ) {
wp.heartbeat.interval( 10 );
}

// The form is being submitted by the user.
$submitButtons = $submitpost.find( ':submit, a.submitdelete, #post-preview' ).on( 'click.edit-post', function( event ) {
var $button = $(this);

if ( $button.hasClass('disabled') ) {
event.preventDefault();
return;
}

if ( $button.hasClass('submitdelete') || $button.is( '#post-preview' ) ) {
return;
}

// The form submission can be blocked from JS or by using HTML 5.0 validation on some fields.
// Run this only on an actual 'submit'.
$('form#post').off( 'submit.edit-post' ).on( 'submit.edit-post', function( event ) {
if ( event.isDefaultPrevented() ) {
return;
}

// Stop auto save.
if ( wp.autosave ) {
wp.autosave.server.suspend();
}

if ( typeof commentReply !== 'undefined' ) {
/*
* Warn the user they have an unsaved comment before submitting
* the post data for update.
*/
if ( ! commentReply.discardCommentChanges() ) {
return false;
}

/*
* Close the comment edit/reply form if open to stop the form
* action from interfering with the post's form action.
*/
commentReply.close();
}

releaseLock = false;
$(window).off( 'beforeunload.edit-post' );

$submitButtons.addClass( 'disabled' );

if ( $button.attr('id') === 'publish' ) {
$submitpost.find( '#major-publishing-actions .spinner' ).addClass( 'is-active' );
} else {
$submitpost.find( '#minor-publishing .spinner' ).addClass( 'is-active' );
}
});
});

// Submit the form saving a draft or an autosave, and show a preview in a new tab.
$('#post-preview').on( 'click.post-preview', function( event ) {
var $this = $(this),
$form = $('form#post'),
$previewField = $('input#wp-preview'),
target = $this.attr('target') || 'wp-preview',
ua = navigator.userAgent.toLowerCase();

event.preventDefault();

if ( $this.hasClass('disabled') ) {
return;
}

if ( wp.autosave ) {
wp.autosave.server.tempBlockSave();
}

$previewField.val('dopreview');
$form.attr( 'target', target ).trigger( 'submit' ).attr( 'target', '' );

// Workaround for WebKit bug preventing a form submitting twice to the same action.
// https://bugs.webkit.org/show_bug.cgi?id=28633
if ( ua.indexOf('safari') !== -1 && ua.indexOf('chrome') === -1 ) {
$form.attr( 'action', function( index, value ) {
return value + '?t=' + ( new Date() ).getTime();
});
}

$previewField.val('');
});

// Auto save new posts after a title is typed.
if ( $( '#auto_draft' ).val() ) {
$( '#title' ).on( 'blur', function() {
var cancel;

if ( ! this.value || $('#edit-slug-box > *').length ) {
return;
}

// Cancel the auto save when the blur was triggered by the user submitting the form.
$('form#post').one( 'submit', function() {
cancel = true;
});

window.setTimeout( function() {
if ( ! cancel && wp.autosave ) {
wp.autosave.server.triggerSave();
}
}, 200 );
});
}

$document.on( 'autosave-disable-buttons.edit-post', function() {
$submitButtons.addClass( 'disabled' );
}).on( 'autosave-enable-buttons.edit-post', function() {
if ( ! wp.heartbeat || ! wp.heartbeat.hasConnectionError() ) {
$submitButtons.removeClass( 'disabled' );
}
}).on( 'before-autosave.edit-post', function() {
$( '.autosave-message' ).text( __( 'Saving Draft…' ) );
}).on( 'after-autosave.edit-post', function( event, data ) {
$( '.autosave-message' ).text( data.message );

if ( $( document.body ).hasClass( 'post-new-php' ) ) {
$( '.submitbox .submitdelete' ).show();
}
});

/*
* When the user is trying to load another page, or reloads current page
* show a confirmation dialog when there are unsaved changes.
*/
$( window ).on( 'beforeunload.edit-post', function( event ) {
var editor = window.tinymce && window.tinymce.get( 'content' );
var changed = false;

if ( wp.autosave ) {
changed = wp.autosave.server.postChanged();
} else if ( editor ) {
changed = ( ! editor.isHidden() && editor.isDirty() );
}

if ( changed ) {
event.preventDefault();
// The return string is needed for browser compat.
// See https://developer.mozilla.org/en-US/docs/Web/API/Window/beforeunload_event.
return __( 'The changes you made will be lost if you navigate away from this page.' );
}
}).on( 'pagehide.edit-post', function( event ) {
if ( ! releaseLock ) {
return;
}

/*
* Unload is triggered (by hand) on removing the Thickbox iframe.
* Make sure we process only the main document unload.
*/
if ( event.target && event.target.nodeName != '#document' ) {
return;
}

var postID = $('#post_ID').val();
var postLock = $('#active_post_lock').val();

if ( ! postID || ! postLock ) {
return;
}

var data = {
action: 'wp-remove-post-lock',
_wpnonce: $('#_wpnonce').val(),
post_ID: postID,
active_post_lock: postLock
};

if ( window.FormData && window.navigator.sendBeacon ) {
var formData = new window.FormData();

$.each( data, function( key, value ) {
formData.append( key, value );
});

if ( window.navigator.sendBeacon( ajaxurl, formData ) ) {
return;
}
}

// Fall back to a synchronous POST request.
// See https://developer.mozilla.org/en-US/docs/Web/API/Navigator/sendBeacon
$.post({
async: false,
data: data,
url: ajaxurl
});
});

// Multiple taxonomies.
if ( $('#tagsdiv-post_tag').length ) {
window.tagBox && window.tagBox.init();
} else {
$('.meta-box-sortables').children('div.postbox').each(function(){
if ( this.id.indexOf('tagsdiv-') === 0 ) {
window.tagBox && window.tagBox.init();
return false;
}
});
}

// Handle categories.
$('.categorydiv').each( function(){
var this_id = $(this).attr('id'), catAddBefore, catAddAfter, taxonomyParts, taxonomy, settingName;

taxonomyParts = this_id.split('-');
taxonomyParts.shift();
taxonomy = taxonomyParts.join('-');
settingName = taxonomy + '_tab';

if ( taxonomy == 'category' ) {
settingName = 'cats';
}

// @todo Move to jQuery 1.3+, support for multiple hierarchical taxonomies, see wp-lists.js.
$('a', '#' + taxonomy + '-tabs').on( 'click', function( e ) {
e.preventDefault();
var t = $(this).attr('href');
$(this).parent().addClass('tabs').siblings('li').removeClass('tabs');
$('#' + taxonomy + '-tabs').siblings('.tabs-panel').hide();
$(t).show();
if ( '#' + taxonomy + '-all' == t ) {
deleteUserSetting( settingName );
} else {
setUserSetting( settingName, 'pop' );
}
});

if ( getUserSetting( settingName ) )
$('a[href="#' + taxonomy + '-pop"]', '#' + taxonomy + '-tabs').trigger( 'click' );

// Add category button controls.
$('#new' + taxonomy).one( 'focus', function() {
$( this ).val( '' ).removeClass( 'form-input-tip' );
});

// On [Enter] submit the taxonomy.
$('#new' + taxonomy).on( 'keypress', function(event){
if( 13 === event.keyCode ) {
event.preventDefault();
$('#' + taxonomy + '-add-submit').trigger( 'click' );
}
});

// After submitting a new taxonomy, re-focus the input field.
$('#' + taxonomy + '-add-submit').on( 'click', function() {
$('#new' + taxonomy).trigger( 'focus' );
});

/**
* Before adding a new taxonomy, disable submit button.
*
* @param {Object} s Taxonomy object which will be added.
*
* @return {Object}
*/
catAddBefore = function( s ) {
if ( !$('#new'+taxonomy).val() ) {
return false;
}

s.data += '&' + $( ':checked', '#'+taxonomy+'checklist' ).serialize();
$( '#' + taxonomy + '-add-submit' ).prop( 'disabled', true );
return s;
};

/**
* Re-enable submit button after a taxonomy has been added.
*
* Re-enable submit button.
* If the taxonomy has a parent place the taxonomy underneath the parent.
*
* @param {Object} r Response.
* @param {Object} s Taxonomy data.
*
* @return {void}
*/
catAddAfter = function( r, s ) {
var sup, drop = $('#new'+taxonomy+'_parent');

$( '#' + taxonomy + '-add-submit' ).prop( 'disabled', false );
if ( 'undefined' != s.parsed.responses[0] && (sup = s.parsed.responses[0].supplemental.newcat_parent) ) {
drop.before(sup);
drop.remove();
}
};

$('#' + taxonomy + 'checklist').wpList({
alt: '',
response: taxonomy + '-ajax-response',
addBefore: catAddBefore,
addAfter: catAddAfter
});

// Add new taxonomy button toggles input form visibility.
$('#' + taxonomy + '-add-toggle').on( 'click', function( e ) {
e.preventDefault();
$('#' + taxonomy + '-adder').toggleClass( 'wp-hidden-children' );
$('a[href="#' + taxonomy + '-all"]', '#' + taxonomy + '-tabs').trigger( 'click' );
$('#new'+taxonomy).trigger( 'focus' );
});

// Sync checked items between "All {taxonomy}" and "Most used" lists.
$('#' + taxonomy + 'checklist, #' + taxonomy + 'checklist-pop').on(
'click',
'li.popular-category > label input[type="checkbox"]',
function() {
var t = $(this), c = t.is(':checked'), id = t.val();
if ( id && t.parents('#taxonomy-'+taxonomy).length ) {
$('input#in-' + taxonomy + '-' + id + ', input[id^="in-' + taxonomy + '-' + id + '-"]').prop('checked', c);
$('input#in-popular-' + taxonomy + '-' + id).prop('checked', c);
}
}
);

}); // End cats.

// Custom Fields postbox.
if ( $('#postcustom').length ) {
$( '#the-list' ).wpList( {
/**
* Add current post_ID to request to fetch custom fields
*
* @ignore
*
* @param {Object} s Request object.
*
* @return {Object} Data modified with post_ID attached.
*/
addBefore: function( s ) {
s.data += '&post_id=' + $('#post_ID').val();
return s;
},
/**
* Show the listing of custom fields after fetching.
*
* @ignore
*/
addAfter: function() {
$('table#list-table').show();
}
});
}

/*
* Publish Post box (#submitdiv)
*/
if ( $('#submitdiv').length ) {
stamp = $('#timestamp').html();
visibility = $('#post-visibility-display').html();

/**
* When the visibility of a post changes sub-options should be shown or hidden.
*
* @ignore
*
* @return {void}
*/
updateVisibility = function() {
// Show sticky for public posts.
if ( $postVisibilitySelect.find('input:radio:checked').val() != 'public' ) {
$('#sticky').prop('checked', false);
$('#sticky-span').hide();
} else {
$('#sticky-span').show();
}

// Show password input field for password protected post.
if ( $postVisibilitySelect.find('input:radio:checked').val() != 'password' ) {
$('#password-span').hide();
} else {
$('#password-span').show();
}
};

/**
* Make sure all labels represent the current settings.
*
* @ignore
*
* @return {boolean} False when an invalid timestamp has been selected, otherwise True.
*/
updateText = function() {

if ( ! $timestampdiv.length )
return true;

var attemptedDate, originalDate, currentDate, publishOn, postStatus = $('#post_status'),
optPublish = $('option[value="publish"]', postStatus), aa = $('#aa').val(),
mm = $('#mm').val(), jj = $('#jj').val(), hh = $('#hh').val(), mn = $('#mn').val();

attemptedDate = new Date( aa, mm - 1, jj, hh, mn );
originalDate = new Date(
$('#hidden_aa').val(),
$('#hidden_mm').val() -1,
$('#hidden_jj').val(),
$('#hidden_hh').val(),
$('#hidden_mn').val()
);
currentDate = new Date(
$('#cur_aa').val(),
$('#cur_mm').val() -1,
$('#cur_jj').val(),
$('#cur_hh').val(),
$('#cur_mn').val()
);

// Catch unexpected date problems.
if (
attemptedDate.getFullYear() != aa ||
(1 + attemptedDate.getMonth()) != mm ||
attemptedDate.getDate() != jj ||
attemptedDate.getMinutes() != mn
) {
$timestampdiv.find('.timestamp-wrap').addClass('form-invalid');
return false;
} else {
$timestampdiv.find('.timestamp-wrap').removeClass('form-invalid');
}

// Determine what the publish should be depending on the date and post status.
if ( attemptedDate > currentDate ) {
publishOn = __( 'Schedule for:' );
$('#publish').val( _x( 'Schedule', 'post action/button label' ) );
} else if ( attemptedDate <= currentDate && $('#original_post_status').val() != 'publish' ) {
publishOn = __( 'Publish on:' );
$('#publish').val( __( 'Publish' ) );
} else {
publishOn = __( 'Published on:' );
$('#publish').val( __( 'Update' ) );
}

// If the date is the same, set it to trigger update events.
if ( originalDate.toUTCString() == attemptedDate.toUTCString() ) {
// Re-set to the current value.
$('#timestamp').html(stamp);
} else {
$('#timestamp').html(
'\n' + publishOn + ' <b>' +
// translators: 1: Month, 2: Day, 3: Year, 4: Hour, 5: Minute.
__( '%1$s %2$s, %3$s at %4$s:%5$s' )
.replace( '%1$s', $( 'option[value="' + mm + '"]', '#mm' ).attr( 'data-text' ) )
.replace( '%2$s', parseInt( jj, 10 ) )
.replace( '%3$s', aa )
.replace( '%4$s', ( '00' + hh ).slice( -2 ) )
.replace( '%5$s', ( '00' + mn ).slice( -2 ) ) +
'</b> '
);
}

// Add "privately published" to post status when applies.
if ( $postVisibilitySelect.find('input:radio:checked').val() == 'private' ) {
$('#publish').val( __( 'Update' ) );
if ( 0 === optPublish.length ) {
postStatus.append('<option value="publish">' + __( 'Privately Published' ) + '</option>');
} else {
optPublish.html( __( 'Privately Published' ) );
}
$('option[value="publish"]', postStatus).prop('selected', true);
$('#misc-publishing-actions .edit-post-status').hide();
} else {
if ( $('#original_post_status').val() == 'future' || $('#original_post_status').val() == 'draft' ) {
if ( optPublish.length ) {
optPublish.remove();
postStatus.val($('#hidden_post_status').val());
}
} else {
optPublish.html( __( 'Published' ) );
}
if ( postStatus.is(':hidden') )
$('#misc-publishing-actions .edit-post-status').show();
}

// Update "Status:" to currently selected status.
$('#post-status-display').text(
// Remove any potential tags from post status text.
wp.sanitize.stripTagsAndEncodeText( $('option:selected', postStatus).text() )
);

// Show or hide the "Save Draft" button.
if (
$('option:selected', postStatus).val() == 'private' ||
$('option:selected', postStatus).val() == 'publish'
) {
$('#save-post').hide();
} else {
$('#save-post').show();
if ( $('option:selected', postStatus).val() == 'pending' ) {
$('#save-post').show().val( __( 'Save as Pending' ) );
} else {
$('#save-post').show().val( __( 'Save Draft' ) );
}
}
return true;
};

// Show the visibility options and hide the toggle button when opened.
$( '#visibility .edit-visibility').on( 'click', function( e ) {
e.preventDefault();
if ( $postVisibilitySelect.is(':hidden') ) {
updateVisibility();
$postVisibilitySelect.slideDown( 'fast', function() {
$postVisibilitySelect.find( 'input[type="radio"]' ).first().trigger( 'focus' );
} );
$(this).hide();
}
});

// Cancel visibility selection area and hide it from view.
$postVisibilitySelect.find('.cancel-post-visibility').on( 'click', function( event ) {
$postVisibilitySelect.slideUp('fast');
$('#visibility-radio-' + $('#hidden-post-visibility').val()).prop('checked', true);
$('#post_password').val($('#hidden-post-password').val());
$('#sticky').prop('checked', $('#hidden-post-sticky').prop('checked'));
$('#post-visibility-display').html(visibility);
$('#visibility .edit-visibility').show().trigger( 'focus' );
updateText();
event.preventDefault();
});

// Set the selected visibility as current.
$postVisibilitySelect.find('.save-post-visibility').on( 'click', function( event ) { // Crazyhorse branch - multiple OK cancels.
var visibilityLabel = '', selectedVisibility = $postVisibilitySelect.find('input:radio:checked').val();

$postVisibilitySelect.slideUp('fast');
$('#visibility .edit-visibility').show().trigger( 'focus' );
updateText();

if ( 'public' !== selectedVisibility ) {
$('#sticky').prop('checked', false);
}

switch ( selectedVisibility ) {
case 'public':
visibilityLabel = $( '#sticky' ).prop( 'checked' ) ? __( 'Public, Sticky' ) : __( 'Public' );
break;
case 'private':
visibilityLabel = __( 'Private' );
break;
case 'password':
visibilityLabel = __( 'Password Protected' );
break;
}

$('#post-visibility-display').text( visibilityLabel );
event.preventDefault();
});

// When the selection changes, update labels.
$postVisibilitySelect.find('input:radio').on( 'change', function() {
updateVisibility();
});

// Edit publish time click.
$timestampdiv.siblings('a.edit-timestamp').on( 'click', function( event ) {
if ( $timestampdiv.is( ':hidden' ) ) {
$timestampdiv.slideDown( 'fast', function() {
$( 'input, select', $timestampdiv.find( '.timestamp-wrap' ) ).first().trigger( 'focus' );
} );
$(this).hide();
}
event.preventDefault();
});

// Cancel editing the publish time and hide the settings.
$timestampdiv.find('.cancel-timestamp').on( 'click', function( event ) {
$timestampdiv.slideUp('fast').siblings('a.edit-timestamp').show().trigger( 'focus' );
$('#mm').val($('#hidden_mm').val());
$('#jj').val($('#hidden_jj').val());
$('#aa').val($('#hidden_aa').val());
$('#hh').val($('#hidden_hh').val());
$('#mn').val($('#hidden_mn').val());
updateText();
event.preventDefault();
});

// Save the changed timestamp.
$timestampdiv.find('.save-timestamp').on( 'click', function( event ) { // Crazyhorse branch - multiple OK cancels.
if ( updateText() ) {
$timestampdiv.slideUp('fast');
$timestampdiv.siblings('a.edit-timestamp').show().trigger( 'focus' );
}
event.preventDefault();
});

// Cancel submit when an invalid timestamp has been selected.
$('#post').on( 'submit', function( event ) {
if ( ! updateText() ) {
event.preventDefault();
$timestampdiv.show();

if ( wp.autosave ) {
wp.autosave.enableButtons();
}

$( '#publishing-action .spinner' ).removeClass( 'is-active' );
}
});

// Post Status edit click.
$postStatusSelect.siblings('a.edit-post-status').on( 'click', function( event ) {
if ( $postStatusSelect.is( ':hidden' ) ) {
$postStatusSelect.slideDown( 'fast', function() {
$postStatusSelect.find('select').trigger( 'focus' );
} );
$(this).hide();
}
event.preventDefault();
});

// Save the Post Status changes and hide the options.
$postStatusSelect.find('.save-post-status').on( 'click', function( event ) {
$postStatusSelect.slideUp( 'fast' ).siblings( 'a.edit-post-status' ).show().trigger( 'focus' );
updateText();
event.preventDefault();
});

// Cancel Post Status editing and hide the options.
$postStatusSelect.find('.cancel-post-status').on( 'click', function( event ) {
$postStatusSelect.slideUp( 'fast' ).siblings( 'a.edit-post-status' ).show().trigger( 'focus' );
$('#post_status').val( $('#hidden_post_status').val() );
updateText();
event.preventDefault();
});
}

/**
* Handle the editing of the post_name. Create the required HTML elements and
* update the changes via Ajax.
*
* @global
*
* @return {void}
*/
function editPermalink() {
var i, slug_value, slug_label,
$el, revert_e,
c = 0,
real_slug = $('#post_name'),
revert_slug = real_slug.val(),
permalink = $( '#sample-permalink' ),
permalinkOrig = permalink.html(),
permalinkInner = $( '#sample-permalink a' ).html(),
buttons = $('#edit-slug-buttons'),
buttonsOrig = buttons.html(),
full = $('#editable-post-name-full');

// Deal with Twemoji in the post-name.
full.find( 'img' ).replaceWith( function() { return this.alt; } );
full = full.html();

permalink.html( permalinkInner );

// Save current content to revert to when cancelling.
$el = $( '#editable-post-name' );
revert_e = $el.html();

buttons.html(
'<button type="button" class="save button button-small">' + __( 'OK' ) + '</button> ' +
'<button type="button" class="cancel button-link">' + __( 'Cancel' ) + '</button>'
);

// Save permalink changes.
buttons.children( '.save' ).on( 'click', function() {
var new_slug = $el.children( 'input' ).val();

if ( new_slug == $('#editable-post-name-full').text() ) {
buttons.children('.cancel').trigger( 'click' );
return;
}

$.post(
ajaxurl,
{
action: 'sample-permalink',
post_id: postId,
new_slug: new_slug,
new_title: $('#title').val(),
samplepermalinknonce: $('#samplepermalinknonce').val()
},
function(data) {
var box = $('#edit-slug-box');
box.html(data);
if (box.hasClass('hidden')) {
box.fadeIn('fast', function () {
box.removeClass('hidden');
});
}

buttons.html(buttonsOrig);
permalink.html(permalinkOrig);
real_slug.val(new_slug);
$( '.edit-slug' ).trigger( 'focus' );
wp.a11y.speak( __( 'Permalink saved' ) );
}
);
});

// Cancel editing of permalink.
buttons.children( '.cancel' ).on( 'click', function() {
$('#view-post-btn').show();
$el.html(revert_e);
buttons.html(buttonsOrig);
permalink.html(permalinkOrig);
real_slug.val(revert_slug);
$( '.edit-slug' ).trigger( 'focus' );
});

// If more than 1/4th of 'full' is '%', make it empty.
for ( i = 0; i < full.length; ++i ) {
if ( '%' == full.charAt(i) )
c++;
}
slug_value = ( c > full.length / 4 ) ? '' : full;
slug_label = __( 'URL Slug' );

$el.html(
'<label for="new-post-slug" class="screen-reader-text">' + slug_label + '</label>' +
'<input type="text" id="new-post-slug" value="' + slug_value + '" autocomplete="off" spellcheck="false" />'
).children( 'input' ).on( 'keydown', function( e ) {
var key = e.which;
// On [Enter], just save the new slug, don't save the post.
if ( 13 === key ) {
e.preventDefault();
buttons.children( '.save' ).trigger( 'click' );
}
// On [Esc] cancel the editing.
if ( 27 === key ) {
buttons.children( '.cancel' ).trigger( 'click' );
}
} ).on( 'keyup', function() {
real_slug.val( this.value );
}).trigger( 'focus' );
}

$( '#titlediv' ).on( 'click', '.edit-slug', function() {
editPermalink();
});

/**
* Adds screen reader text to the title label when needed.
*
* Use the 'screen-reader-text' class to emulate a placeholder attribute
* and hide the label when entering a value.
*
* @param {string} id Optional. HTML ID to add the screen reader helper text to.
*
* @global
*
* @return {void}
*/
window.wptitlehint = function( id ) {
id = id || 'title';

var title = $( '#' + id ), titleprompt = $( '#' + id + '-prompt-text' );

if ( '' === title.val() ) {
titleprompt.removeClass( 'screen-reader-text' );
}

title.on( 'input', function() {
if ( '' === this.value ) {
titleprompt.removeClass( 'screen-reader-text' );
return;
}

titleprompt.addClass( 'screen-reader-text' );
} );
};

wptitlehint();

// Resize the WYSIWYG and plain text editors.
( function() {
var editor, offset, mce,
$handle = $('#post-status-info'),
$postdivrich = $('#postdivrich');

// If there are no textareas or we are on a touch device, we can't do anything.
if ( ! $textarea.length || 'ontouchstart' in window ) {
// Hide the resize handle.
$('#content-resize-handle').hide();
return;
}

/**
* Handle drag event.
*
* @param {Object} event Event containing details about the drag.
*/
function dragging( event ) {
if ( $postdivrich.hasClass( 'wp-editor-expand' ) ) {
return;
}

if ( mce ) {
editor.theme.resizeTo( null, offset + event.pageY );
} else {
$textarea.height( Math.max( 50, offset + event.pageY ) );
}

event.preventDefault();
}

/**
* When the dragging stopped make sure we return focus and do a confidence check on the height.
*/
function endDrag() {
var height, toolbarHeight;

if ( $postdivrich.hasClass( 'wp-editor-expand' ) ) {
return;
}

if ( mce ) {
editor.focus();
toolbarHeight = parseInt( $( '#wp-content-editor-container .mce-toolbar-grp' ).height(), 10 );

if ( toolbarHeight < 10 || toolbarHeight > 200 ) {
toolbarHeight = 30;
}

height = parseInt( $('#content_ifr').css('height'), 10 ) + toolbarHeight - 28;
} else {
$textarea.trigger( 'focus' );
height = parseInt( $textarea.css('height'), 10 );
}

$document.off( '.wp-editor-resize' );

// Confidence check: normalize height to stay within acceptable ranges.
if ( height && height > 50 && height < 5000 ) {
setUserSetting( 'ed_size', height );
}
}

$handle.on( 'mousedown.wp-editor-resize', function( event ) {
if ( typeof tinymce !== 'undefined' ) {
editor = tinymce.get('content');
}

if ( editor && ! editor.isHidden() ) {
mce = true;
offset = $('#content_ifr').height() - event.pageY;
} else {
mce = false;
offset = $textarea.height() - event.pageY;
$textarea.trigger( 'blur' );
}

$document.on( 'mousemove.wp-editor-resize', dragging )
.on( 'mouseup.wp-editor-resize mouseleave.wp-editor-resize', endDrag );

event.preventDefault();
}).on( 'mouseup.wp-editor-resize', endDrag );
})();

// TinyMCE specific handling of Post Format changes to reflect in the editor.
if ( typeof tinymce !== 'undefined' ) {
// When changing post formats, change the editor body class.
$( '#post-formats-select input.post-format' ).on( 'change.set-editor-class', function() {
var editor, body, format = this.id;

if ( format && $( this ).prop( 'checked' ) && ( editor = tinymce.get( 'content' ) ) ) {
body = editor.getBody();
body.className = body.className.replace( /\bpost-format-[^ ]+/, '' );
editor.dom.addClass( body, format == 'post-format-0' ? 'post-format-standard' : format );
$( document ).trigger( 'editor-classchange' );
}
});

// When changing page template, change the editor body class.
$( '#page_template' ).on( 'change.set-editor-class', function() {
var editor, body, pageTemplate = $( this ).val() || '';

pageTemplate = pageTemplate.substr( pageTemplate.lastIndexOf( '/' ) + 1, pageTemplate.length )
.replace( /\.php$/, '' )
.replace( /\./g, '-' );

if ( pageTemplate && ( editor = tinymce.get( 'content' ) ) ) {
body = editor.getBody();
body.className = body.className.replace( /\bpage-template-[^ ]+/, '' );
editor.dom.addClass( body, 'page-template-' + pageTemplate );
$( document ).trigger( 'editor-classchange' );
}
});

}

// Save on pressing [Ctrl]/[Command] + [S] in the Text editor.
$textarea.on( 'keydown.wp-autosave', function( event ) {
// Key [S] has code 83.
if ( event.which === 83 ) {
if (
event.shiftKey ||
event.altKey ||
( isMac && ( ! event.metaKey || event.ctrlKey ) ) ||
( ! isMac && ! event.ctrlKey )
) {
return;
}

wp.autosave && wp.autosave.server.triggerSave();
event.preventDefault();
}
});

// If the last status was auto-draft and the save is triggered, edit the current URL.
if ( $( '#original_post_status' ).val() === 'auto-draft' && window.history.replaceState ) {
var location;

$( '#publish' ).on( 'click', function() {
location = window.location.href;
location += ( location.indexOf( '?' ) !== -1 ) ? '&' : '?';
location += 'wp-post-new-reload=true';

window.history.replaceState( null, null, location );
});
}

/**
* Copies the attachment URL in the Edit Media page to the clipboard.
*
* @since 5.5.0
*
* @param {MouseEvent} event A click event.
*
* @return {void}
*/
copyAttachmentURLClipboard.on( 'success', function( event ) {
var triggerElement = $( event.trigger ),
successElement = $( '.success', triggerElement.closest( '.copy-to-clipboard-container' ) );

// Clear the selection and move focus back to the trigger.
event.clearSelection();

// Show success visual feedback.
clearTimeout( copyAttachmentURLSuccessTimeout );
successElement.removeClass( 'hidden' );

// Hide success visual feedback after 3 seconds since last success.
copyAttachmentURLSuccessTimeout = setTimeout( function() {
successElement.addClass( 'hidden' );
}, 3000 );

// Handle success audible feedback.
wp.a11y.speak( __( 'The file URL has been copied to your clipboard' ) );
} );
} );

/**
* TinyMCE word count display
*/
( function( $, counter ) {
$( function() {
var $content = $( '#content' ),
$count = $( '#wp-word-count' ).find( '.word-count' ),
prevCount = 0,
contentEditor;

/**
* Get the word count from TinyMCE and display it
*/
function update() {
var text, count;

if ( ! contentEditor || contentEditor.isHidden() ) {
text = $content.val();
} else {
text = contentEditor.getContent( { format: 'raw' } );
}

count = counter.count( text );

if ( count !== prevCount ) {
$count.text( count );
}

prevCount = count;
}

/**
* Bind the word count update triggers.
*
* When a node change in the main TinyMCE editor has been triggered.
* When a key has been released in the plain text content editor.
*/
$( document ).on( 'tinymce-editor-init', function( event, editor ) {
if ( editor.id !== 'content' ) {
return;
}

contentEditor = editor;

editor.on( 'nodechange keyup', _.debounce( update, 1000 ) );
} );

$content.on( 'input keyup', _.debounce( update, 1000 ) );

update();
} );

} )( jQuery, new wp.utils.WordCounter() );