/**

 * @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){

			/**

			 * Handle server response

			 *

			 * @param {string} str Response, will be '0' when an error occurred otherwise contains link to add Featured Image.

			 */

			function(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,

						} );

						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 15 seconds if post lock dialogs are enabled.

	if ( wp.heartbeat && $('#post-lock-dialog').length ) {

		wp.heartbeat.interval( 15 );

	}

	// 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();