/*
 * jQuery 1.2.2 - New Wave Javascript
 *
 * Copyright (c) 2007 John Resig (jquery.com)
 * Dual licensed under the MIT (MIT-LICENSE.txt)
 * and GPL (GPL-LICENSE.txt) licenses.
 *
 * $Date: 2008-01-14 17:56:07 -0500 (Mon, 14 Jan 2008) $
 * $Rev: 4454 $
 */
function _$(e) {return document.getElementById(e);}

function moveForm(a) {
	if(a)$("#commentform").prependTo("#comment-"+a+">ul");
	else $("#commentform").appendTo("#cmtForm");
	$('#comment_reply_ID').val(a);
	a>0?$('#reRoot').show():$('#reRoot').hide();
}
var c, t, c, now;

function AjaxSendComment(){  
	r = $('#comment_reply_ID').val(), t, c, now = parseInt(Math.random()*1000);
	
	if (r == 0) {
		c = $("#comments");
	} else {
		var u = $("#comment-"+r+">ul:first");
		if (u) {
			c = u;
		} else {
			c = document.createElement('ul');
			$("#comment-"+r).appendChild(c);
			c = $("#comment-"+r+">ul:first");
		}
	}
	var content = $('#comment').val().replace(/\r\n\r\n/g, "</p><p>").replace(/\r\n/g, "<br />").replace(/\n\n/g, "</p><p>").replace(/\n/g, "<br />");
	content = "<p>" + content + "</p>";

	var author = "admin", email="a@b.c";
	
	var author = $("#author").val(), email = $("#email").val();
	//check the author and content input area is fixed
	if(content == "<p></p>" || ( (needemail=="1") && (author == "" || email == ""))){
		if(author ==""){ alert("name is necessary"); if($("#authorrequire"))$("#authorrequire").css({color:"rgb(255,0,0)"});$("#author").focus();}
		else if(email==""){ alert("email is necessary");; if($("#emailrequire"))$("#emailrequire").css({color:"red"});$("#email").focus();}
	    else{ alert("comment can not be empty");$("#comment").focus();}
	   	return true;
	}

	var dateObj = new Date();
	var now = "tmp-"+encodeURI(dateObj.getTime());
	c.append("<li id='"+now+"'><div class=\"commenthead newcomment\">At "+dateObj.toLocaleString()+", <span class=\"author\">"+ author+ "</span> said: </div><div class=\"body\"><p>"  + content+ "</p></div><div class='meta' id='finish'>You submit a new comment...</div></div></li>");
	comment_preview(false);moveForm(0);
	$.ajax({
		type: "POST",
		timeout: 100000,
		url: $("#commentform").attr("action"),
		data: $("#commentform").serialize(),
		error:function(emsg) {		
			alert("评论失败，可能原因如下:\n1.留言过快;\n2.E-mail格式不正确;\n3.留言重复;\n4.留言超时, 服务器临时抽风")			
			$('#'+now).remove();
			$('#comment').focus();
		},
		success: function(msg){
			$('#comment').val('');
			$('#finish').hide('slow',function(){$(this).remove();});
		}
	}); 
	
   return true;
}

function comment_preview(i) {
	if (typeof(i)=='undefined' && $('#copreview').css("display") != 'block' || typeof(i) != 'undefined' && i == true) {
		if ($('#copreview').css("display") != 'block') {
			$.ajax({
				type: "POST",
				timeout: 100000,
				url: blogurl + '/wp-content/plugins/ajaxcomment/preview.php',
				data: $("#commentform").serialize(),
				success: function(msg){
					$('#commentdiv').css({display:'none'});
					$('#copreview').html(msg).css({display:'block'});
					$('#prectr').val('Edit');
				}
			}); 
		}
	} else {
		if ($('#copreview').css("display") != 'none') {
			$('#prectr').val('Preview');
			$('#commentdiv').css({display:'block'});
			$('#copreview').css({display:'none'});
			$('#comment').focus();
		}
	}
}

function ajaxShowPost(u, e, j, s, m){
	if ( u.match(/getpost/) )	nowurl=u; 
	ajaxStatus('block');
	$.ajax({
		type: "GET",
		timeout: 10000,
		url: u,
		success: function(msg){
			ajaxStatus('none');
			if (j) window.location.href = "#"+j;
			if (s) eval(s);
			$('#'+e).html(msg);
		}
	}); 
}

function ajaxStatus(s) {
	if (!$("#ajax")) return;
	$("#ajax").css({display:s});
}

// Retrieve the value of the cookie with the specified name.
var aCookie = document.cookie.split("; ");
function GetCookie(sName, id) {
	// cookies are separated by semicolons
	var something = _$(id);
	if (!something) return false;
	for (var i=0; i < aCookie.length; i++) {
		// a name alue pair (a crumb) is separated by an equal sign
		var aCrumb = aCookie[i].split("=");
		if (sName == aCrumb[0]) {
			something.value = unescape(decodeURI(aCrumb[1]));
			return true;
		}
	}
 	// a cookie with the requested name does not exist
 	return true;
}
function login(id) {
	// cookies are separated by semicolons
	var something = _$(id), author = "", url = "http://zhiqiang.org/link/";
	if (!something) return 0;
	for (var i=0; i < aCookie.length; i++) {
		// a name alue pair (a crumb) is separated by an equal sign
		var aCrumb = aCookie[i].split("=");
		var sName = aCrumb[0];
		if (sName=="comment_author_"+md5)
			author = unescape(decodeURI(aCrumb[1]));
		else if (sName=="comment_author_url_"+md5)
			url=unescape(decodeURI(aCrumb[1]));
	}
 	
	if (author)	something.innerHTML = "欢迎回来, <a href='" + url + "'><font color='red'>" + author + "</font></a>";
 	return 0;
}

function ecai() {
	if(_$("cai"))_$("cai").style.display = "none";
	else return;
	if(_$("caie"))_$("caie").style.display = "block";
	_$("author").focus();
	if (_$('cogr') && _$('email').value) { 
		_$('cogr').src = blogurl + "/wp-content/gravatars/" + _$('email').value + '.jpg';
	}
}

function hcai() {
	if(_$("caie"))_$("caie").style.display = "none";
	else return;
	if(_$("cai"))_$("cai").style.display = "block";
	_$("ca").innerHTML = _$("author").value;
	_$("ca").href = _$("url").value;
}

if (typeof(md5)!="undefined") {
	GetCookie("comment_author_"+md5, "author");
	GetCookie("comment_author_"+md5, "authorname");
	GetCookie("comment_author_email_"+md5, "email");
	GetCookie("comment_author_url_"+md5, "url");

	if (_$("author") && _$("author").value) {
		hcai();
	}
	login("login");
}

document.editComment = {
	callback: function(s, i){
		_$('cif').style.display = 'none';
		if(_$('commentIframe'))_$('commentIframe').style.display='none';
		if (s) insertAtCursor(_$('comment'), i); 
		// _$('comment').value += i;
		comment_preview(false);
		_$('comment').focus();
	},
	addTag: function(s, l, r){
		comment_preview(false);
		var el = _$(s);
		 if (el.setSelectionRange) {
			   //Mozilla or FireFox Code
			  var st = el.scrollTop;
			  var ss = el.selectionStart;
			  var se = el.selectionEnd;
			   el.value = el.value.substring(0,ss) + l + el.value.substring(ss,se) + r + el.value.substring(se,el.value.length);
			   el.selectionStart = se+l.length+r.length;
			   el.selectionEnd = se+l.length+r.length;
			   el.scrollTop = st;
		  }
		  else if (document.selection && document.selection.createRange) {
			   //Internet Explorer Code
			  el.focus(); //Makes sure tags are being added to the textarea
			  var range = document.selection.createRange();
			  range.text = l + range.text + r; //Adds beginning and end tags.
		  } 
		  el.focus();       
	},
	init: function(u) {
		_$('cif').innerHTML = '<iframe id="commentIframe" width="310" height="170" frameborder="no"  marginheight="0" marginwidth="0"  src="' + u + '" style="border: 1px solid rgb(79, 107, 160); background-color:white; style:none;"  scrolling="no" onload="this.style.display=\'block\';"></iframe>';},
	constructIframe: function(u, l) {
		if (!_$('commentIframe')) document.editComment.init(u);
		else _$('commentIframe').src = u;
		_$('cif').style.display = 'block';
	}, 
	selectText: function(e) {
		if (typeof(e) == 'string')	e = _$(e);
		if (document.selection) {
			sel = document.selection.createRange();
			return sel.text;
		}
		//MOZILLA/NETSCAPE support
		else if (e.selectionStart || e.selectionStart ==  '0') {
			var startPos = e.selectionStart;
			var endPos = e.selectionEnd;
			return e.value.substr(startPos, endPos-startPos);
		}
		else return '';
	}
};

 function insertAtCursor(e, v) {
    //IE support
    if (document.selection && false) {
        e.focus();
        sel = document.selection.createRange();
        sel.text = v;
    }
    //MOZILLA/NETSCAPE support
    else if (e.selectionStart || e.selectionStart ==  '0') {
        var startPos = e.selectionStart;
        var endPos = e.selectionEnd;
        e.value = e.value.substring(0, startPos) + v + e.value.substring(endPos, e.value.length);
    } else {
        e.value += v;
    }
}

function testKeyCode( evt, intKeyCode ) { 
	if ( window.createPopup ) return evt.keyCode == intKeyCode; 
	else return evt.which == intKeyCode; 
} 
function addKey(e, fk) {
	if (typeof(e) == 'string') e = _$(e);
	if (!e)	return;
	if (typeof(ctr) == 'undefined') ctr = false;
	if (typeof(alt) == 'undefined') alt = false;
	
	e.onkeydown = function(evt) {
		if (evt == null) evt = event;
		for (k=0; k < fk.length; k++)
		if (evt.ctrlKey == fk[k][2] && evt.altKey == fk[k][3] && testKeyCode(evt, fk[k][1]))
			eval(fk[k][0]);
	}
	
}

addKey('comment', [
				   ["document.editComment.constructIframe(blogurl + '/wp-content/themes/yuewei/editlink.html');", 75, false, true], 
				   ["document.editComment.constructIframe(blogurl + '/wp-content/themes/yuewei/emotions.html');", 76, false, true], 
				   ["comment_preview(true);", 27, false, false],
				   ["comment_preview(true);", 80, false, true],
				   ["document.editComment.addTag('comment', '<b>', '</b>');", 66, false, true],
				   ["document.editComment.addTag('comment', '<i>', '</i>');", 73, false, true],
				   ["document.editComment.addTag('comment', '<u>', '</u>');", 85, false, true],
				   ['AjaxSendComment();', 13, true, false],
				   ['AjaxSendComment();', 83, false, true]				   
				   ]);

function toggle(e) {
	if (!e) return;
	if (e.style.height != '32px') {
		e.style.overflowX='hidden';e.style.overflowY='auto';e.style.height = "32px";
	} else {e.style.overflow="visible"; e.style.height = '';}	
}