/**
 * 根据输入的正则表达式，提取与之匹配的字符串，并新建一个文档显示所有匹配的字符串，
 * 显示时每个匹配项占一行
 *
 * @author     Guapo
 * @version    v1.0
 */
function getText()
{
	var _regex=prompt("this program is for extracting strings using a regular expression,please input a regular expression","");
	if(_regex==""||_regex==null)
	{
		alert("you have typed nothing");
		return;
	}
	var regex=new RegExp(_regex,"gim");
	document.selection.SelectAll();
	var textInCurrentDocument=document.selection.Text;
	var matchResultArray=textInCurrentDocument.match(regex);
	if(matchResultArray)
	{
		var len=matchResultArray.length;
		editor.NewFile();
		for(var i=0;i<len;i++)
		{
			document.writeln(matchResultArray[i]);
		}
	}
	else
	{
		alert("nothing found");
	}
}


/**
 * 拷贝正在编辑的文档的完整路径(含文件名和扩展名)到剪贴板
 *
 * @author     Guapo
 * @version    v1.0
 */
function copyFullName()
{
	if(document.Saved)
	{
		document.CopyFullName();
	}
	else
	{
		alert("please save the file before run this command");
	}
}


/**
 * 拷贝正在编辑的文档的路径(不含文件名和扩展名)到剪贴板
 *
 * @author     Guapo
 * @version    v1.0
 */
function copyPath()
{
	if(document.Saved)
	{
		document.CopyPath();
	}
	else
	{
		alert("please save the file before run this command");
	}
}


/**
 * 删除当前正在编辑文档的行首的所有空格(包含Tab键)
 *
 * @author     Guapo
 * @version    v1.0
 */
function deleteLineStartBlank()
{
	document.selection.Replace("^\\s*","",eeFindNext | eeReplaceAll | eeFindReplaceRegExp);
}


/**
 * 删除当前正在编辑文档的行尾的所有空格(包含Tab键)
 *
 * @author     Guapo
 * @version    v1.0
 */
function deleteLineEndBlank()
{
	document.selection.Replace("\\s*$","",eeFindNext | eeReplaceAll | eeFindReplaceRegExp);
}


/**
 * 为当前正在编辑文档的每一行的行首添加n个空格
 *
 * @author     Guapo
 * @version    v1.0
 */
function addBlank2LineStart()
{
	var string_n=prompt("how many white spaces would you like add to start of line?","1");
	if(isN(string_n))
	{
		var s="";
		var int_n=parseInt(string_n);
		for(var i=0;i<int_n;i++)
		{
			s+=" ";
		}
		s+="\\0";
		document.selection.Replace("^.",s,eeFindNext | eeReplaceAll | eeFindReplaceRegExp);
		document.HighlightFind=false;
		return;
	}
	else
	{
		alert("wrong input");
	}

}


/**
 * 为当前正在编辑文档的每一行的行尾添加n个空格
 *
 * @author     Guapo
 * @version    v1.0
 */
function addBlank2LineEnd()
{
	var string_n=prompt("how many white spaces would you like add to end of line?","1");
	if(isN(string_n))
	{
		var s="";
		s+="\\0";
		var int_n=parseInt(string_n);
		for(var i=0;i<int_n;i++)
		{
			s+=" ";
		}
		document.selection.Replace(".$",s,eeFindNext | eeReplaceAll | eeFindReplaceRegExp);
		document.HighlightFind=false;
		return;
	}
	else
	{
		alert("wrong input");
		return;
	}
}


/**
 * 将当前正在编辑文档中的所有>=两个的相连空格替换成一个，只支持英文半角空格
 *
 * @author     Guapo
 * @version    v1.0
 */
function replace2MoreBlank()
{
	document.selection.Replace(" {2,}"," ",eeFindNext | eeReplaceAll | eeFindReplaceRegExp);
}


/**
 * 将当前正在编辑文档中的所有>=两个的相连空行替换成一个
 *
 * @author     Guapo
 * @version    v1.0
 */
function replace2MoreNewLine()
{
	return;
}


/**
 * 为当前正在编辑文档中的所有行的行首添加特定的字符串
 *
 * @author     Guapo
 * @version    v1.0
 */
function addString2LineStart()
{
	var s=prompt("what string do you want to add to start of line?","input the string here");
	if(s==""||s==null)
	{
		return;
	}
	var t="\\0";
	document.selection.Replace("(^.)|(^\\n)",s+t,eeFindNext | eeReplaceAll | eeFindReplaceRegExp);
	document.HighlightFind=false;
}


/**
 * 为当前正在编辑文档中的所有行的行尾添加特定的字符串
 *
 * @author     Guapo
 * @version    v1.0
 */
function addString2LineEnd()
{
	var s=prompt("what string do you want to add to end of line?","input the string here");
	if(s==""||s==null)
	{
		return;
	}
	var t="\\0";

	document.selection.Replace("(.$)|(^\\n$)",t+s,eeFindNext | eeReplaceAll | eeFindReplaceRegExp);
	document.HighlightFind=false;
}


function isN(s)
{
	if(s==null||s=="")
	{
		return false;
	}
	var array=s.match(/\d+/);
	if(array)
	{
		if(s==array[0])
		{
			return true;
		}
		else
		{
			return false;
		}
	}
	else
	{
		return false;
	}
}




mainMenu=CreatePopupMenu();

mainMenu.Add("copy the path(exclude the name and extention)",1);
mainMenu.Add("copy the full name(include path)",2);
mainMenu.Add( "", 0, eeMenuSeparator );
mainMenu.Add("using regex to extract string",3);
mainMenu.Add( "", 0, eeMenuSeparator );
mainMenu.Add("delete all white spaces at the beginning of the line",4);
mainMenu.Add("delete all white spaces at the end of the line",5);
mainMenu.Add("add n white spaces to the start of the line",6);
mainMenu.Add("add n white spaces to the end of the line",7);
mainMenu.Add( "", 0, eeMenuSeparator );
mainMenu.Add("merge two or more white spaces to one",8);
mainMenu.Add("merge two or more blank line to one",9);
mainMenu.Add( "", 0, eeMenuSeparator );
mainMenu.Add("add a string to the start of the line",10);
mainMenu.Add("add a string to the end of the line",11);
mainMenu.Add( "", 0, eeMenuSeparator );
mainMenu.Add("about",100);
var witchItem=mainMenu.Track();

switch(witchItem)
{
	case 1:
		copyPath();
		break;
	case 2:
		copyFullName()
		break;
	case 3:
		getText();
		break;
	case 4:
		deleteLineStartBlank();
		break;
	case 5:
		deleteLineEndBlank();
		break;
	case 6:
		addBlank2LineStart();
		break;
	case 7:
		addBlank2LineEnd();
		break;
	case 8:
		replace2MoreBlank();
		break;
	case 9:
		replace2MoreNewLine();
		break;
	case 10:
		addString2LineStart();
		break;
	case 11:
		addString2LineEnd();
		break;
	case 100:
		alert("If you like to translate,please contact me!Thank you!\n\nAuthor:Guapo\nEmail:yangshuai@gmail.com");
		break;
	default:
		break;
}