/*
Commentor for Emeditor
---------------
  $Date: 2008-08-02 23:32:18
  Written by KevinYuan whyork@21cn.com
  You are free to use this in any way you want
feature:
1> Multiline support.
2> SingleLine with commented date.
3> CSS, HTML, Javascript, C#, C-like, Java comment are supported;
*/

function GetBlankComment() {
	if (Filetype.indexOf('htm') > -1 || Filetype.indexOf('ml') > -1) {
		return "<!--  "+GetCurrentTime()+"-->\r\n";
	} else if (Filetype.indexOf('css') > -1) {
		return "/*  " + GetCurrentTime() + "*/\r\n";
	} else {
		return "//  " + GetCurrentTime() + "\r\n";
	}
}
function escapeRegExp(code) {
	return code.replace(/([.*+?^${}()|[\]\/\\])/g, '\\$1');
}

//获取匹配当前文档的配置名如 html,htm,xml,css,js,c#	
var Filetype;
Filetype = document.ConfigName.toLowerCase().replace(/ /g, '');
var cursorFix = 3; // //或者/*
if (Filetype.indexOf('htm') > -1 || Filetype.indexOf('ml') > -1) {
	cursorFix = 5;
} //类似<!---->
var start_tag = '//';
var end_tag;
//设定注释类型
function SetCommentTag() {
	if (Filetype.indexOf('htm') > -1 || Filetype.indexOf('ml') > -1) {
		start_tag = '<!--';
		end_tag='-->';
	} else if (Filetype.indexOf('css') > -1) {
		start_tag = "/*";
		end_tag = '*/';
	} else {
		start_tag = '//';
		end_tag = '';
	}
}

(function() {
	var word = document.selection.Text;
	SetCommentTag();
	//如果当前选择的文字为空,则选择光标当前行
	if (word == '') {
		//选择当前行
		document.selection.SelectLine();
		//获取当前行的文字
		var str = document.selection.Text;
		//如果该行没有文字，只有缩进字符
		if (str.replace(/\s/g, '') == '') {
			//去除尾部的换行
			str = str.replace(/[\r\n]*/g, '');
			//拼成字符串
			var bc = GetBlankComment();
			str = str + bc;
			document.selection.Text = str;
			//移动到注释处,并修正光标位置
			document.selection.CharLeft(false, bc.length - cursorFix);
			return;
		}
		//该行有文字
		else {
			//去除尾部的换行
			str = str.replace(/[\r\n]*/g, '');
			//拼装注释字符串，并在尾部加入换行
			str = str.replace(/^([\s]*)([\w\W]+)/, '$1' + start_tag + '$2' + end_tag + '\r\n');
			//不计缩进，获取实际字符开始的位置
			var cp = str.indexOf(start_tag);
			document.selection.Text = str;
			//移动到注释行的行首
			document.selection.CharLeft(false, str.length - cursorFix);
			document.selection.StartOfLine();
			//移动到字符开始的位置
			document.selection.CharRight(false, cp + start_tag.length);
			return;
		}
	}
	//选择了多行文字
	else {
		//将多行文字回车后加注释		
		word = start_tag + word.replace(/\r*\n/g, end_tag + '\r\n' + start_tag) + end_tag;
		//删除空注释
		//word = word.replace(new RegExp(escapeRegExp(start_tag+end_tag),'img'),'');
		document.selection.Text = word;
		return;
	}

})();

function GetCurrentTime() {
	var d1 = new Date();
	var cmtstr = d1.getFullYear() + '-' + (d1.getMonth() + 1) + '-' + d1.getDate() + ' ' + d1.getHours() + ':' + d1.getMinutes() + ':' + d1.getSeconds();
	cmtstr = cmtstr.replace(/([^\d])(\d)/img, '$10$2');
	cmtstr = cmtstr.replace(/([^\d])\d([\d]{2})/img, '$1$2');
	return cmtstr;
}