/**

 * This file contains the functions needed for the inline editing of posts.

 *

 * @since 2.7.0

 */

window.wp = window.wp || {};

/**

 * Manages the quick edit and bulk edit windows for editing posts or pages.

 *

 *

 * @since 2.7.0

 *

 * @type {Object}

 *

 * @property {string} type The type of inline editor.

 * @property {string} what The prefix before the post id.

 *

 */

( function( $, wp ) {

	/**

	 *

	 * Binds event handlers to the escape key to close the inline editor

	 * and to the save and close buttons. Changes DOM to be ready for inline

	 * editing. Adds event handler to bulk edit.

	 *

	 * @memberof inlineEditPost

	 * @since 2.7.0

	 *

	 * @returns {void}

	 */

	init : function(){

		var t = this, qeRow = $('#inline-edit'), bulkRow = $('#bulk-edit');

		t.type = $('table.widefat').hasClass('pages') ? 'page' : 'post';

		// Post id prefix.

		t.what = '#post-';

		/**

		 *

		 * @returns {boolean} The result of revert.

		 */

		qeRow.keyup(function(e){

			// Revert changes if escape key is pressed.

			if ( e.which === 27 ) {

				return inlineEditPost.revert();

			}

		});

		/**

		 *

		 * @returns {boolean} The result of revert.

		 */

		bulkRow.keyup(function(e){

			// Revert changes if escape key is pressed.

			if ( e.which === 27 ) {

				return inlineEditPost.revert();

			}

		});

		/**

		 *

		 * @returns {boolean} The result of revert.

		 */

		$( '.cancel', qeRow ).click( function() {

			return inlineEditPost.revert();

		});

		/**

		 *

		 * @returns {boolean} The result of save.

		 */

		$( '.save', qeRow ).click( function() {

			return inlineEditPost.save(this);

		});

		/**

		 *

		 * @returns {boolean} The result of save.

		 */

		$('td', qeRow).keydown(function(e){

			if ( e.which === 13 && ! $( e.target ).hasClass( 'cancel' ) ) {

				return inlineEditPost.save(this);

			}

		});

		/**

		 *

		 * @returns {boolean} The result of revert.

		 */

		$( '.cancel', bulkRow ).click( function() {

			return inlineEditPost.revert();

		});

		/**

		 */

		$('#inline-edit .inline-edit-private input[value="private"]').click( function(){

			var pw = $('input.inline-edit-password-input');

			if ( $(this).prop('checked') ) {

				pw.val('').prop('disabled', true);

			} else {

				pw.prop('disabled', false);

			}

		});

		/**

		 */

		});

		$('#bulk-edit').find('fieldset:first').after(

			$('#inline-edit fieldset.inline-edit-categories').clone()

		).siblings( 'fieldset:last' ).prepend(

			$('#inline-edit label.inline-edit-tags').clone()

		);

		$('select[name="_status"] option[value="future"]', bulkRow).remove();

		/**

		 */

		$('#doaction, #doaction2').click(function(e){

			var n;

			t.whichBulkButtonId = $( this ).attr( 'id' );

			n = t.whichBulkButtonId.substr( 2 );

			if ( 'edit' === $( 'select[name="' + n + '"]' ).val() ) {

				e.preventDefault();

				t.setBulk();

			} else if ( $('form#posts-filter tr.inline-editor').length > 0 ) {

				t.revert();

			}

		});

	},

	/**

	 *

	 * @memberof inlineEditPost

	 * @since 2.7.0

	 *

	 * @param {Object} el Element within a post table row.

	 */

	toggle : function(el){

		var t = this;

		$( t.what + t.getId( el ) ).css( 'display' ) === 'none' ? t.revert() : t.edit( el );

	},

	/**

	 *

	 * @memberof inlineEditPost

	 * @since 2.7.0

	 */

	setBulk : function(){

		var te = '', type = this.type, c = true;

		this.revert();

		$( '#bulk-edit td' ).attr( 'colspan', $( 'th:visible, td:visible', '.widefat:first thead' ).length );

		// Insert the editor at the top of the table with an empty row above to maintain zebra striping.

		$('table.widefat tbody').prepend( $('#bulk-edit') ).prepend('<tr class="hidden"></tr>');

		$('#bulk-edit').addClass('inline-editor').show();

		/**

		 *

		 * Get the selected posts based on the checked checkboxes in the post table.

		 */

		$( 'tbody th.check-column input[type="checkbox"]' ).each( function() {

			// If the checkbox for a post is selected, add the post to the edit list.

			if ( $(this).prop('checked') ) {

				c = false;

				var id = $(this).val(), theTitle;

				theTitle = $('#inline_'+id+' .post_title').html() || inlineEditL10n.notitle;

				te += '<div id="ttle'+id+'"><a id="_'+id+'" class="ntdelbutton" title="'+inlineEditL10n.ntdeltitle+'">X</a>'+theTitle+'</div>';

			}

		});

		// If no checkboxes where checked, just hide the quick/bulk edit rows.

		if ( c ) {

			return this.revert();

		}

		// Add onclick events to the delete-icons in the bulk editors the post title list.

		$('#bulk-titles').html(te);

		/**

		 *

		 * @listens click

		 */

		$('#bulk-titles a').click(function(){

			var id = $(this).attr('id').substr(1);

			$('table.widefat input[value="' + id + '"]').prop('checked', false);

			$('#ttle'+id).remove();

		});

		// Enable auto-complete for tags when editing posts.

		if ( 'post' === type ) {

			$( 'tr.inline-editor textarea[data-wp-taxonomy]' ).each( function ( i, element ) {

				/*

				 * While Quick Edit clones the form each time, Bulk Edit always re-uses

				 * the same form. Let's check if an autocomplete instance already exists.

				 */

				if ( $( element ).autocomplete( 'instance' ) ) {

					// jQuery equivalent of `continue` within an `each()` loop.

					return;

				}

				$( element ).wpTagsSuggest();

			} );

		}

		// Scrolls to the top of the table where the editor is rendered.

		$('html, body').animate( { scrollTop: 0 }, 'fast' );

	},

	/**

	 *

	 * @memberof inlineEditPost

	 * @since 2.7.0

	 *

	 * @param {number|Object} id The id of the clicked post or an element within a post

	 *                           table row.

	 * @returns {boolean} Always returns false at the end of execution.

	 */

	edit : function(id) {

		var t = this, fields, editRow, rowData, status, pageOpt, pageLevel, nextPage, pageLoop = true, nextLevel, f, val, pw;

		t.revert();

		if ( typeof(id) === 'object' ) {

			id = t.getId(id);

		}

		fields = ['post_title', 'post_name', 'post_author', '_status', 'jj', 'mm', 'aa', 'hh', 'mn', 'ss', 'post_password', 'post_format', 'menu_order', 'page_template'];

		if ( t.type === 'page' ) {

			fields.push('post_parent');

		}

		// Add the new edit row with an extra blank row underneath to maintain zebra striping.

		editRow = $('#inline-edit').clone(true);

		$( 'td', editRow ).attr( 'colspan', $( 'th:visible, td:visible', '.widefat:first thead' ).length );

		$(t.what+id).removeClass('is-expanded').hide().after(editRow).after('<tr class="hidden"></tr>');

		// Populate fields in the quick edit window.

		rowData = $('#inline_'+id);

		if ( !$(':input[name="post_author"] option[value="' + $('.post_author', rowData).text() + '"]', editRow).val() ) {

			// The post author no longer has edit capabilities, so we need to add them to the list of authors.

			$(':input[name="post_author"]', editRow).prepend('<option value="' + $('.post_author', rowData).text() + '">' + $('#' + t.type + '-' + id + ' .author').text() + '</option>');

		}

		if ( $( ':input[name="post_author"] option', editRow ).length === 1 ) {

			$('label.inline-edit-author', editRow).hide();

		}

		for ( f = 0; f < fields.length; f++ ) {

			val = $('.'+fields[f], rowData);

			/**

			 *

			 * @returns Alternate text from the image.

			 */

			val.find( 'img' ).replaceWith( function() { return this.alt; } );

			val = val.text();

			$(':input[name="' + fields[f] + '"]', editRow).val( val );

		}

		if ( $( '.comment_status', rowData ).text() === 'open' ) {

			$( 'input[name="comment_status"]', editRow ).prop( 'checked', true );

		}

		if ( $( '.ping_status', rowData ).text() === 'open' ) {

			$( 'input[name="ping_status"]', editRow ).prop( 'checked', true );

		}

		if ( $( '.sticky', rowData ).text() === 'sticky' ) {

			$( 'input[name="sticky"]', editRow ).prop( 'checked', true );

		}

		/**

		 */

		$('.post_category', rowData).each(function(){

			var taxname,

				term_ids = $(this).text();

			if ( term_ids ) {

				taxname = $(this).attr('id').replace('_'+id, '');

				$('ul.'+taxname+'-checklist :checkbox', editRow).val(term_ids.split(','));

			}

		});

		/**

		 */

		$('.tags_input', rowData).each(function(){

			var terms = $(this),

				taxname = $(this).attr('id').replace('_' + id, ''),

				textarea = $('textarea.tax_input_' + taxname, editRow),

				comma = inlineEditL10n.comma;

			terms.find( 'img' ).replaceWith( function() { return this.alt; } );

			terms = terms.text();

			if ( terms ) {

				if ( ',' !== comma ) {

					terms = terms.replace(/,/g, comma);

				}

				textarea.val(terms);

			}

			textarea.wpTagsSuggest();

		});

		// Handle the post status.

		status = $('._status', rowData).text();

		if ( 'future' !== status ) {

			$('select[name="_status"] option[value="future"]', editRow).remove();

		}

		pw = $( '.inline-edit-password-input' ).prop( 'disabled', false );

		if ( 'private' === status ) {

			$('input[name="keep_private"]', editRow).prop('checked', true);

			pw.val( '' ).prop( 'disabled', true );

		}

		// Remove the current page and children from the parent dropdown.

		pageOpt = $('select[name="post_parent"] option[value="' + id + '"]', editRow);