$(document).ready(function() {
	
	/**
	 * Inserir noticias relacionadas apos primeiro paragrafo
	 */
	 if($('.texto-artigo').length > 0)
		 $(".texto-artigo > p:nth-child("+pMoreNews+"").append($("#more-news"));
	
	/**
	 * Aumentar e diminuir fontes
	 */	
	$(".font").click(function(){
		
		var size = $("#main p").css('font-size');
		size = size.replace('px', '');
		
		if(this.id == "fonte_mais"){
			size = parseInt(size) + 2;
		}else if(this.id == "fonte_menos"){
			size = parseInt(size) - 2;
		}else{
			size = 17;
		}
		
		$("#main p").animate({'font-size' : size + 'px'});
		
	});
	
	/**
	 * Imprimir
	 */
	$("#imprimir").click(function(){
		$('.btn-info').hide();
		$('.logo').show();
		var url = window.location;
		$('#single_article').printElement({pageTitle:'Jornal O Tempo Online - Link: '+url});
		$('.btn-info').show();
		$('.logo').hide();
	});
	
	/**
	 * Email
	 */
	$("#email").click(function() {
		$("#inline_poster").dialog({ closeText: "", position: { my: "center", at: "top", of: "#atf-article" } });
	});

	$("#fechar").click(function() {
		$("#inline_poster").dialog( "close" );
	});

	/**
	 * Caracteres Restantes
	 */
	$("#inline_poster textarea").keyup(function(event){
		var target    = $("#countdown");
        var max       = $(this).attr('maxlength');
        var len       = $(this).val().length;
        var remain    = max - len;

        if(len > max)
        {
            var val = $(this).val();
            $(this).val(val.substr(0, max));
            remain = 0;
        }        
        
        target.html(remain);
        
	});

	/**
	 * Compartilhar texto selecionado no Facebook e Twitter
	 */

	//verifica se o objeto foi criado
	if(!window.CurrentSelection){
		CurrentSelection = {};
	}
	//define o objeto seletor
	CurrentSelection.Selector = {};

	//obtém o texto selecionado
	CurrentSelection.Selector.getSelected = function(){
		var sel = '';
		if(window.getSelection){
			sel = window.getSelection();
		}
		else if(document.getSelection){
			sel = document.getSelection();
		}
		else if(document.selection){
			sel = document.selection.createRange();
		}
		return sel;
	};

	var texto = '';
    //função a ser chamada no mouseup
	CurrentSelection.Selector.mouseup = function(){
		var st = CurrentSelection.Selector.getSelected();
		if (st == "") {
			return false;
		}
		var info_text = st.getRangeAt(0);  //texto selecionado
		var text = info_text.commonAncestorContainer; //paragráfo referente ao texto selecionado
		var text_inicio = info_text.startOffset; //inicio do texto selecionado
		var text_fim = info_text.endOffset; //fim do texto selecionado
		var texto_selecionado = text_fim - text_inicio; //fim do texto selecionado
		texto = text.substringData(text_inicio,texto_selecionado); //texto selecionado;
		//Twitter e Facebook
		$('.popupTwitter,.popupFacebook').click(function(event) {
			var width  = 460,
				height = 450,
				left   = 5 ,
				top    = ($(window).height() - height)/2,
				url    = this.href +'?text='+texto,
				opts   = 'status=1' +
					',width='  + width  +
					',height=' + height +
					',top='    + top    +
					',left='   + left;
				window.open(url, 'share', opts);
			return false;
		});
	};

	//função mouseup
	$(function() {
		$(".texto-artigo").bind("mouseup", CurrentSelection.Selector.mouseup);
		$(".texto-artigo").mouseup(function (e) {
			var selection = CurrentSelection.Selector.getSelected();
			if (selection && (selection = new String(selection).replace(/^\s+|\s+$/g, ''))) {
				$(".shareBox").css({
					position: "absolute",
					top: (e.pageY + 5) + "px",
					left: (e.pageX + 5) + "px"
				}).show();
			} else {
				$(".shareBox").hide();
			}
		});
		$(".shareFacebook,.shareTwitter").mouseup(function() {
			$(".shareBox").hide();
		});
	});

});