var postboxes;

(function($) {

	postboxes = {

		add_postbox_toggles : function(page,args) {

			this.init(page,args);

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

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

				p.toggleClass('closed');

				postboxes.save_state(page);

				if ( id ) {

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

						postboxes.pbshow(id);

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

						postboxes.pbhide(id);

				}

			} );

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

				e.stopPropagation();

			} );

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

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

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

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

					if ( $.isFunction( postboxes.pbshow ) )

						postboxes.pbshow( box );

				} else {

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

					if ( $.isFunction( postboxes.pbhide ) )

						postboxes.pbhide( box );

				}

				postboxes.save_state(page);

			} );

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

				var num = $(this).val(), i, el, p = $('#poststuff');

				if ( p.length ) { // write pages

					if ( num == 2 ) {

						p.addClass('has-right-sidebar');

						$('#side-sortables').addClass('temp-border');

					} else if ( num == 1 ) {

						p.removeClass('has-right-sidebar');

						$('#normal-sortables').append($('#side-sortables').children('.postbox'));

					}

				} else { // dashboard

					for ( i = 4; ( i > num && i > 1 ); i-- ) {

						el = $('#' + colname(i) + '-sortables');

						$('#' + colname(i-1) + '-sortables').append(el.children('.postbox'));

						el.parent().hide();

					}

					for ( i = 1; i <= num; i++ ) {

						el = $('#' + colname(i) + '-sortables');

						if ( el.parent().is(':hidden') )

							el.addClass('temp-border').parent().show();

					}

					$('.postbox-container:visible').css('width', 98/num + '%');

				}

				postboxes.save_order(page);

			});

			function colname(n) {

				switch (n) {

					case 1:

						return 'normal';

						break

					case 2:

						return 'side';

						break

					case 3:

						return 'column3';

						break

					case 4:

						return 'column4';

						break

					default:

						return '';

				}

			}

		},

		init : function(page, args) {

			$.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',

				distance: 2,

				tolerance: 'pointer',

				forcePlaceholderSize: true,

				helper: 'clone',

				opacity: 0.65,

				start: function(e,ui) {

					$('body').css({

						WebkitUserSelect: 'none',

						KhtmlUserSelect: 'none'

					});

					/*

					if ( $.browser.msie )

						return;

					ui.item.addClass('noclick');

					*/

				},

				stop: function(e,ui) {

					postboxes.save_order(page);

					ui.item.parent().removeClass('temp-border');

					$('body').css({

						WebkitUserSelect: '',

						KhtmlUserSelect: ''

					});

				}

			});

		},

		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 );

		},

		/* Callbacks */

		pbshow : false,

		pbhide : false

	};

}(jQuery));