to use your favorite text-editor on Web forms

extedit.js

<script type="text/javascript">
/*
$Id: extedit.js,v 1.6.1.1 2004/04/05 07:04:05 tsupo Exp $
#Id: extedit.js,v 1.6 2004/03/28 17:41:49 ishinao Exp $
Author: ishinao <ishinao@ishinao.net>
Licence: GPL
extedit - Webブラウザの入力フォームで好きなエディタを使う
see http://mylog.ishinao.net/id/1177
*/

//設定------------->

//temporary file作成directory。空ならシステム設定temporaryパスになる。
var tempdir = "c:\\user\\local\\menuExt\\log";
//logファイル。空ならシステム設定temporaryパス+extedit.logになる。
var logfile = "c:\\user\\local\\menuExt\\log\\extedit_log.html";
//使用するeditorのpath。空なら「.txt」に関連づけられているエディタになる。
var editor = "C:\\user\\local\\xyzzy\\xyzzy.exe";
//使用済みのtemporaryを削除する？
var deletetemp = false;
//textarea名。優先順位が高い順に記述
var targetItems = new Array(
  "comment-text",  // for TypePad, ココログ, ブログ人
  "text",          // for Movable Type
  "body",          // for ishinao.net
  "comment",       // for blosxom, WebryBlog, doblog, goo BLOG, News Handler, 北国tv
  "description",   // for JUGEM
  "cmnt",          // for NewsCollector
  "message"
);

//<-------------設定

var window    = external.menuArguments;
var page_url  = window.document.URL;   // ページのURL
var page_href = window.location.href;  // 同上
var title_txt = window.document.title; // タイトル文字列

if ( page_href == "" ) {
  page_href = page_url;
}

main();
window.focus();
self.close();

function main() {
  var event = external.menuArguments.event;
  var current = window.document.elementFromPoint(event.clientX, event.clientY);
  if (current && current.type == "textarea") {
    doEdit(current);
    return;
  }

  var elements = getAllTextarea();
  var names = targetItems;
  for (ec = 0; ec < elements.length; ec++) {
    for (nc = 0; nc < names.length; nc++) {
      if (elements[ec].name.toLowerCase() == names[nc].toLowerCase()) {
        doEdit(elements[ec]);
        return;
      }
    }
  }
  if (elements.length > 0) {
    doEdit(elements[0]);
    return;
  }
  
  alert("no textarea");
}

function zeroPadding(str) {
   var s   = "00" + str;
   var len = s.length;
   return s.substring(len - 2, len);
}

function monthString(date) {
  return zeroPadding("" + (date.getMonth() + 1));
}

function dateString(date) {
  return zeroPadding("" + date.getDate());
}

function hourString(date) {
  return zeroPadding("" + date.getHours());
}

function minuteString(date) {
  return zeroPadding("" + date.getMinutes());
}

function secondString(date) {
  return zeroPadding("" + date.getSeconds());
}

function doEdit(textarea) {
  var fs = new ActiveXObject("Scripting.FileSystemObject");
  var date = new Date();

  if (tempdir == "") {tempdir = fs.GetSpecialFolder(2);}
  var tempfile = tempdir + "\\";
  tempfile += "" + date.getYear() + monthString(date) + dateString(date);
  tempfile += hourString(date) + minuteString(date) + secondString(date);
  tempfile += ".txt";
 
  var body = textarea.value;
  file = fs.CreateTextFile(tempfile, true);
  file.Write(body);
  file.close();
  
  shell = new ActiveXObject("WScript.Shell");
  var cmd = "";
  if (editor != "") {
    cmd += "\""+editor+"\""+" ";
  }
  cmd += "\""+tempfile+"\"";
  shell.run(cmd, 1, true);
  
  body = "";
  file = fs.OpenTextFile(tempfile, 1); // read only で open
  while (!file.AtEndOfStream) {
    body += file.Read(1024);
  }
  file.close();
  textarea.value = body;
  external.menuArguments.focus();

  if (deletetemp) {
  	fs.DeleteFile(tempfile);
  } else {
    var datestr = "" + date.getYear() + "/" + monthString(date) + "/"+ dateString(date);
    datestr += " " + hourString(date) + ":" + minuteString(date);

    file = fs.CreateTextFile(tempfile);
    file.WriteLine("URL: " + page_href);
    file.WriteLine("Date: " + datestr);
    file.WriteLine("");
    file.Write(body);
    file.close();
    
    if (logfile == "") {
      logfile = tempdir + "\\extedit.log";
    }
    if (fs.FileExists(logfile)) {
      file = fs.OpenTextFile(logfile, 8); // 8 は append
    } else {
      file = fs.CreateTextFile(logfile);
    }
    if (logfile.substring(logfile.length-5,logfile.length) == ".html") {
      file.WriteLine("<a href=\"" + page_href + "\">" + title_txt + "</a> (" + datestr + ")");
    }
    else {
      file.WriteLine("Date:     " + datestr);
      file.WriteLine("Title:    " + title_txt);
      file.WriteLine("URL:      <a href=\"" + page_href + "\">" + page_href + "</a>");
      file.WriteLine("filename: " + tempfile);
      file.WriteLine("-----------------------------------------------------");
    }
    file.close();

    fs.DeleteFile(tempfile+".1~"); // for xyzzy (xyzzy が作り出したbackupファイルの削除)
  }
}

function getAllTextarea() {
  var elements = new Array();
  var doc = external.menuArguments.document;
  for (fc = 0; fc < doc.forms.length; fc++) {
    var form = doc.forms[fc];
    for (ec = 0; ec < form.elements.length; ec++) {
      var element = form.elements[ec];
      if (element.type == "textarea") {
        elements.push(element);
      }
    }
  }
  return elements;
}

</script>