var wpWidgets;

(function($) {

wpWidgets = {

	init : function() {

		var rem, sidebars = $('div.widgets-sortables'), isRTL = !! ( 'undefined' != typeof isRtl && isRtl ),

			margin = ( isRtl ? 'marginRight' : 'marginLeft' ), the_id;

		$('#widgets-right').children('.widgets-holder-wrap').children('.sidebar-name').click(function(){

			var c = $(this).siblings('.widgets-sortables'), p = $(this).parent();

			if ( !p.hasClass('closed') ) {

				c.sortable('disable');

				p.addClass('closed');

			} else {

				p.removeClass('closed');

				c.sortable('enable').sortable('refresh');

			}

		});

		$('#widgets-left').children('.widgets-holder-wrap').children('.sidebar-name').click(function() {

			$(this).parent().toggleClass('closed');

		});

		sidebars.each(function(){

			if ( $(this).parent().hasClass('inactive') )

				return true;

			var h = 50, H = $(this).children('.widget').length;

			h = h + parseInt(H * 48, 10);

			$(this).css( 'minHeight', h + 'px' );

		});

		$(document.body).bind('click.widgets-toggle', function(e){

			var target = $(e.target), css = {}, widget, inside, w;

			if ( target.parents('.widget-top').length && ! target.parents('#available-widgets').length ) {

				widget = target.closest('div.widget');

				inside = widget.children('.widget-inside');

				w = parseInt( widget.find('input.widget-width').val(), 10 );

				if ( inside.is(':hidden') ) {

					if ( w > 250 && inside.closest('div.widgets-sortables').length ) {

						css['width'] = w + 30 + 'px';

						if ( inside.closest('div.widget-liquid-right').length )

							css[margin] = 235 - w + 'px';

						widget.css(css);

					}

					wpWidgets.fixLabels(widget);

					inside.slideDown('fast');

				} else {

					inside.slideUp('fast', function() {

						widget.css({'width':'', margin:''});

					});

				}

				e.preventDefault();

			} else if ( target.hasClass('widget-control-save') ) {

				wpWidgets.save( target.closest('div.widget'), 0, 1, 0 );

				e.preventDefault();

			} else if ( target.hasClass('widget-control-remove') ) {

				wpWidgets.save( target.closest('div.widget'), 1, 1, 0 );

				e.preventDefault();

			} else if ( target.hasClass('widget-control-close') ) {

				wpWidgets.close( target.closest('div.widget') );

				e.preventDefault();

			}

		});

		sidebars.children('.widget').each(function() {

			wpWidgets.appendTitle(this);

			if ( $('p.widget-error', this).length )

				$('a.widget-action', this).click();

		});

		$('#widget-list').children('.widget').draggable({

			connectToSortable: 'div.widgets-sortables',

			handle: '> .widget-top > .widget-title',

			distance: 2,

			helper: 'clone',

			zIndex: 100,

			containment: 'document',

			start: function(e,ui) {

				ui.helper.find('div.widget-description').hide();

				the_id = this.id;

			},

			stop: function(e,ui) {

				if ( rem )

					$(rem).hide();

				rem = '';

			}

		});

		sidebars.sortable({

			placeholder: 'widget-placeholder',

			items: '> .widget',

			handle: '> .widget-top > .widget-title',

			cursor: 'move',

			distance: 2,

			containment: 'document',

			start: function(e,ui) {

				ui.item.children('.widget-inside').hide();

				ui.item.css({margin:'', 'width':''});

			},

			stop: function(e,ui) {

				if ( ui.item.hasClass('ui-draggable') && ui.item.data('draggable') )

					ui.item.draggable('destroy');

				if ( ui.item.hasClass('deleting') ) {

					wpWidgets.save( ui.item, 1, 0, 1 ); // delete widget

					ui.item.remove();

					return;

				}

				var add = ui.item.find('input.add_new').val(),

					n = ui.item.find('input.multi_number').val(),

					id = the_id,

					sb = $(this).attr('id');

				ui.item.css({margin:'', 'width':''});

				the_id = '';

				if ( add ) {

					if ( 'multi' == add ) {

						ui.item.html( ui.item.html().replace(/<[^<>]+>/g, function(m){ return m.replace(/__i__|%i%/g, n); }) );

						ui.item.attr( 'id', id.replace('__i__', n) );

						n++;

						$('div#' + id).find('input.multi_number').val(n);

					} else if ( 'single' == add ) {

						ui.item.attr( 'id', 'new-' + id );

						rem = 'div#' + id;

					}

					wpWidgets.save( ui.item, 0, 0, 1 );

					ui.item.find('input.add_new').val('');

					ui.item.find('a.widget-action').click();

					return;

				}

				wpWidgets.saveOrder(sb);

			},

			receive: function(e, ui) {

				var sender = $(ui.sender);

				if ( !$(this).is(':visible') || this.id.indexOf('orphaned_widgets') != -1 )

					sender.sortable('cancel');

				if ( sender.attr('id').indexOf('orphaned_widgets') != -1 && !sender.children('.widget').length ) {

					sender.parents('.orphan-sidebar').slideUp(400, function(){ $(this).remove(); });

				}

			}

		}).sortable('option', 'connectWith', 'div.widgets-sortables').parent().filter('.closed').children('.widgets-sortables').sortable('disable');

		$('#available-widgets').droppable({

			tolerance: 'pointer',

			accept: function(o){

				return $(o).parent().attr('id') != 'widget-list';

			},

			drop: function(e,ui) {

				ui.draggable.addClass('deleting');

				$('#removing-widget').hide().children('span').html('');

			},

			over: function(e,ui) {

				ui.draggable.addClass('deleting');

				$('div.widget-placeholder').hide();

				if ( ui.draggable.hasClass('ui-sortable-helper') )

					$('#removing-widget').show().children('span')

					.html( ui.draggable.find('div.widget-title').children('h4').html() );

			},

			out: function(e,ui) {

				ui.draggable.removeClass('deleting');

				$('div.widget-placeholder').show();

				$('#removing-widget').hide().children('span').html('');

			}

		});

	},

	saveOrder : function(sb) {

		if ( sb )

			$('#' + sb).closest('div.widgets-holder-wrap').find('.spinner').css('display', 'inline-block');

		var a = {

			action: 'widgets-order',

			savewidgets: $('#_wpnonce_widgets').val(),

			sidebars: []

		};

		$('div.widgets-sortables').each( function() {

			if ( $(this).sortable )

				a['sidebars[' + $(this).attr('id') + ']'] = $(this).sortable('toArray').join(',');

		});

		$.post( ajaxurl, a, function() {

			$('.spinner').hide();

		});

		this.resize();

	},

	save : function(widget, del, animate, order) {

		var sb = widget.closest('div.widgets-sortables').attr('id'), data = widget.find('form').serialize(), a;

		widget = $(widget);

		$('.spinner', widget).show();

		a = {

			action: 'save-widget',

			savewidgets: $('#_wpnonce_widgets').val(),

			sidebar: sb

		};

		if ( del )

			a['delete_widget'] = 1;

		data += '&' + $.param(a);

		$.post( ajaxurl, data, function(r){

			var id;

			if ( del ) {

				if ( !$('input.widget_number', widget).val() ) {

					id = $('input.widget-id', widget).val();

					$('#available-widgets').find('input.widget-id').each(function(){

						if ( $(this).val() == id )

							$(this).closest('div.widget').show();

					});

				}

				if ( animate ) {

					order = 0;

					widget.slideUp('fast', function(){

						$(this).remove();

						wpWidgets.saveOrder();

					});

				} else {

					widget.remove();

					wpWidgets.resize();

				}

			} else {

				$('.spinner').hide();

				if ( r && r.length > 2 ) {

					$('div.widget-content', widget).html(r);

					wpWidgets.appendTitle(widget);

					wpWidgets.fixLabels(widget);

				}

			}

			if ( order )

				wpWidgets.saveOrder();

		});

	},

	appendTitle : function(widget) {

		var title = $('input[id*="-title"]', widget).val() || '';

		if ( title )

			title = ': ' + title.replace(/<[^<>]+>/g, '').replace(/</g, '&lt;').replace(/>/g, '&gt;');

		$(widget).children('.widget-top').children('.widget-title').children()

				.children('.in-widget-title').html(title);

	},

	resize : function() {

		$('div.widgets-sortables').each(function(){

			if ( $(this).parent().hasClass('inactive') )

				return true;

			var h = 50, H = $(this).children('.widget').length;

			h = h + parseInt(H * 48, 10);

			$(this).css( 'minHeight', h + 'px' );

		});

	},

	fixLabels : function(widget) {

		widget.children('.widget-inside').find('label').each(function(){

			var f = $(this).attr('for');

			if ( f && f == $('input', this).attr('id') )

				$(this).removeAttr('for');

		});

	},

	close : function(widget) {

		widget.children('.widget-inside').slideUp('fast', function(){

			widget.css({'width':'', margin:''});

		});

	}

};

$(document).ready(function($){ wpWidgets.init(); });

})(jQuery);