var postboxes;

(function($) {

	postboxes = {

		add_postbox_toggles : function(page, args) {

			var self = this;

			self.init(page, args);

			$('.postbox h3, .postbox .handlediv').bind('click.postboxes', function() {

				var p = $(this).parent('.postbox'), id = p.attr('id');

				if ( 'dashboard_browser_nag' == id )

					return;

				p.toggleClass('closed');

				if ( page != 'press-this' )

					self.save_state(page);

				if ( id ) {

					if ( !p.hasClass('closed') && $.isFunction(postboxes.pbshow) )

						self.pbshow(id);

					else if ( p.hasClass('closed') && $.isFunction(postboxes.pbhide) )

						self.pbhide(id);

				}

			});

			$('.postbox h3 a').click( function(e) {

				e.stopPropagation();

			});

			$('.postbox a.dismiss').bind('click.postboxes', function(e) {

				var hide_id = $(this).parents('.postbox').attr('id') + '-hide';

				$( '#' + hide_id ).prop('checked', false).triggerHandler('click');

				return false;

			});

			$('.hide-postbox-tog').bind('click.postboxes', function() {

				var box = $(this).val();

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

					$('#' + box).show();

					if ( $.isFunction( postboxes.pbshow ) )

						self.pbshow( box );

				} else {

					$('#' + box).hide();

					if ( $.isFunction( postboxes.pbhide ) )

						self.pbhide( box );

				}

				self.save_state(page);

				self._mark_area();

			});

			$('.columns-prefs input[type="radio"]').bind('click.postboxes', function(){

				var n = parseInt($(this).val(), 10);

				if ( n ) {

					self._pb_edit(n);

					self.save_order(page);

				}

			});

		},

		init : function(page, args) {

			var isMobile = $(document.body).hasClass('mobile');

			$.extend( this, args || {} );

			$('#wpbody-content').css('overflow','hidden');

			$('.meta-box-sortables').sortable({

				placeholder: 'sortable-placeholder',

				connectWith: '.meta-box-sortables',

				items: '.postbox',

				handle: '.hndle',

				cursor: 'move',

				delay: ( isMobile ? 200 : 0 ),

				distance: 2,

				tolerance: 'pointer',

				forcePlaceholderSize: true,

				helper: 'clone',

				opacity: 0.65,

				stop: function(e,ui) {

					if ( $(this).find('#dashboard_browser_nag').is(':visible') && 'dashboard_browser_nag' != this.firstChild.id ) {

						$(this).sortable('cancel');

						return;

					}

					postboxes.save_order(page);

				},

				receive: function(e,ui) {

					if ( 'dashboard_browser_nag' == ui.item[0].id )

						$(ui.sender).sortable('cancel');

					postboxes._mark_area();

				}

			});

			if ( isMobile ) {

				$(document.body).bind('orientationchange.postboxes', function(){ postboxes._pb_change(); });

				this._pb_change();

			}

			this._mark_area();

		},

		save_state : function(page) {

			var closed = $('.postbox').filter('.closed').map(function() { return this.id; }).get().join(','),

				hidden = $('.postbox').filter(':hidden').map(function() { return this.id; }).get().join(',');

			$.post(ajaxurl, {

				action: 'closed-postboxes',

				closed: closed,

				hidden: hidden,

				closedpostboxesnonce: jQuery('#closedpostboxesnonce').val(),

				page: page

			});

		},

		save_order : function(page) {

			var postVars, page_columns = $('.columns-prefs input:checked').val() || 0;

			postVars = {

				action: 'meta-box-order',

				_ajax_nonce: $('#meta-box-order-nonce').val(),

				page_columns: page_columns,

				page: page

			}

			$('.meta-box-sortables').each( function() {

				postVars["order[" + this.id.split('-')[0] + "]"] = $(this).sortable( 'toArray' ).join(',');

			} );

			$.post( ajaxurl, postVars );

		},

		_mark_area : function() {

			var visible = $('div.postbox:visible').length, side = $('#post-body #side-sortables');

			$('#dashboard-widgets .meta-box-sortables:visible').each(function(n, el){

				var t = $(this);

				if ( visible == 1 || t.children('.postbox:visible').length )

					t.removeClass('empty-container');

				else

					t.addClass('empty-container');

			});

			if ( side.length ) {

				if ( side.children('.postbox:visible').length )

					side.removeClass('empty-container');

				else if ( $('#postbox-container-1').css('width') == '280px' )

					side.addClass('empty-container');

			}

		},

		_pb_edit : function(n) {

			var el = $('.metabox-holder').get(0);

			el.className = el.className.replace(/columns-\d+/, 'columns-' + n);

		},

		_pb_change : function() {

			var check = $( 'label.columns-prefs-1 input[type="radio"]' );

			switch ( window.orientation ) {

				case 90:

				case -90:

					if ( !check.length || !check.is(':checked') )

						this._pb_edit(2);

					break;

				case 0:

				case 180:

					if ( $('#poststuff').length ) {

						this._pb_edit(1);

					} else {

						if ( !check.length || !check.is(':checked') )

							this._pb_edit(2);

					}

					break;

			}

		},

		/* Callbacks */

		pbshow : false,

		pbhide : false

	};

}(jQuery));