/*
* jQuery Mobile Framework : listview plugin
* Copyright (c) jQuery Project
* Dual licensed under the MIT (MIT-LICENSE.txt) and GPL (GPL-LICENSE.txt) licenses.
* Note: Code is in draft form and is subject to change 
*/
(function( $ ) {

$.widget( "mobile.listview", $.mobile.widget, {
	options: {
		theme: "f",
		countTheme: "f",
		headerTheme: "b",
		groupingTheme: "b",
		splitTheme: "b",
		inset: false
	},
	
	_create: function() {
		var parentID = this.element.closest( ".ui-page" ).attr( "id" ),
			o = this.options;
		
		//if it's a nested list, chunk it into ui-page items, recurse through them and call listview on each individual ul
		$( this.element.find( "ul,ol" ).get().reverse() ).each(function( i ) {
			var list = $( this ),
				id = parentID + "&" + jQuery.mobile.subPageUrlKey  + "=listview-" + i,
				parent = list.parent(),
				title = parent.contents()[ 0 ].nodeValue,
				theme = list.data( "theme" ) || o.theme,
				countTheme = list.data( "count-theme" ) || o.countTheme;
			
			list.wrap( "<div class='ui-page'><div class='ui-content'></div></div>" )
				.parent()
					.before( "<div class='ui-header ui-bar-" + o.headerTheme + "'><h1>" +
						title + "</h1><a href='#' class='ui-back' data-icon='arrow-l'>Back</a></div>" )
					.parent()
						.attr({
							id: id,
							"data-theme": theme,
							"data-count-theme": countTheme
						})
						.appendTo( "body" )
						.fixHeaderFooter()
						.find( ".ui-header a.ui-back" )
							.buttonMarkup()
							.click(function() {
								history.go(-1);
								return false;
							});
			
			parent.html( "<a href='#" + id + "'>" + title + "</a>" );
		}).listview();
		
		//create listview markup 
		this.element
			.addClass( "ui-listview" )
			.find( "li" )
				.each(function() {
					var $li = $( this );
					if ( $li.is( ":has(img)" ) ) {
						$li.addClass( "ui-li-has-thumb" );
					}
					if ( $li.is( ":has(.ui-li-aside)" ) ) {
						var aside = $li.find('.ui-li-aside');
						aside.prependTo(aside.parent()); //shift aside to front for css float
					}
					$li.addClass( "ui-li" );
					
					if( $li.find('a').length ){	
						$li
							.buttonMarkup({
								wrapperEls: "div",
								shadow: false,
								corners: false,
								iconpos: "right",
								icon: "arrow-r",
								theme: o.theme
							})
							.find( "a" ).eq( 0 )
								.addClass( "ui-link-inherit" );
					}
					else{
						$li.addClass( "ui-li-grouping ui-btn ui-body-" + o.groupingTheme );
					}		
				});
		
		if ( o.inset ) {
			this.element
				.addClass( "ui-listview-inset" )
				.controlgroup({ shadow: true });
		}
		
		this.element
			.find( "li" ).each(function() {
				//for split buttons
				$( this ).find( "a" ).eq( 1 ).each(function() {
					$( this )
						.attr( "title", $( this ).text() )
						.addClass( "ui-li-link-alt" )
						.empty()
						.buttonMarkup({
							shadow: false,
							corners: false,
							theme: o.theme
						})
						.find( ".ui-btn-inner" )
						.append( $( "<span>" ).buttonMarkup({
							shadow: true,
							corners: true,
							theme: o.splitTheme,
							iconpos: "notext",
							icon: "arrow-r"
						} ) );
					
					//fix corners
					if ( o.inset ) {
						var closestLi = $( this ).closest( "li" );
						if ( closestLi.is( "li:first-child" ) ) {
							$( this ).addClass( "ui-corner-tr" );
						} else if ( closestLi.is( "li:last-child" ) ) {
							$( this ).addClass( "ui-corner-br" );
						}
					}
				});
			})
			.find( "img")
				.addClass( "ui-li-thumb" );
		
		if ( o.inset ) {
			this.element
				.find( "img" )
					.filter( "li:first-child img" )
						.addClass( "ui-corner-tl" )
					.end()
					.filter( "li:last-child img" )
						.addClass( "ui-corner-bl" )
					.end();
		}
		
		this.element
			.find( ".ui-li-count" )
				.addClass( "ui-btn-up-" + o.countTheme + " ui-btn-corner-all" )
			.end()
			.find( ":header" )
				.addClass( "ui-li-heading" )
			.end()
			.find( "p,ul,dl" )
				.addClass( "ui-li-desc" );
			
		// JS fallback for auto-numbering for OL elements
		if( !$.support.cssPseudoElement && this.element.is('ol') ){
			var counter = 1;
			this.element.find('li').each(function(){
				if( $(this).is('.ui-li-grouping') ){
					//reset counter when a grouping heading is encountered
					counter = 1;
				}
				else { 
					$(this)
						.find('.ui-link-inherit:first')
						.addClass('ui-li-jsnumbering')
						.prepend('<span class="ui-li-dec">' + counter++ + '. </span>');
				}		
			});
		}	
				
		//tapping the whole LI triggers ajaxClick on the first link
		this.element.find( "li:has(a)" ).live( "tap", function(event) {
			if( !$(event.target).is('a') ){
				$( this ).find( "a:first" ).ajaxClick();
				return false;
			}
		});
	}
});

})( jQuery );