var ubb_w=400;
var ubb_h=300;
var ubb_name="OSPod.Forum UBB ";
var ubb_content = document.getElementById("post_content");

function ubb_init(control){
  ubb_content = control;
}

//Save text
function storeCaret (textEl){ 
  if(textEl.createTextRange) 
    textEl.caretPos = document.selection.createRange().duplicate(); 
}

function ubb_inserticon(em) {
  ubb_content.value += em;
}

function ubb_setfocus() { 
  ubb_content.focus(); 
}

function getSelection(txtarea) {
    var retValue = "";
    if (txtarea.createTextRange && txtarea.caretPos) {
        if(txtarea.caretPos.text.length > 0) {
            retValue = txtarea.caretPos.text;        
        }
    } else if (document.getElementById) {
        var selLength = txtarea.textLength;
        var selStart = txtarea.selectionStart;
        var selEnd = txtarea.selectionEnd;
        if (selEnd==1 || selEnd==2) selEnd = selLength;
        var s2 = (txtarea.value).substring(selStart, selEnd)
        if (s2.length > 0) {
            retValue = s2;
        }
    }
    return retValue;
}

//增加
function addST(start, end) {

    var selection = getSelection(ubb_content);

    var inserttext = "";
    if (selection.length > 0) {
        inserttext = start + selection + end; 
        insertString(inserttext);
    }
}
// *******************************************************

function insertString(thetext) {
    if (ubb_content.createTextRange && ubb_content.caretPos) {
        var caretPos = ubb_content.caretPos;
        var newText = thetext;
        if (caretPos.text.charAt(caretPos.text.length - 1) == ' ') newText = newText + ' ';
        if (caretPos.text.charAt(0) == ' ') newText = ' ' + newText;
        caretPos.text = newText;
    } else if (document.getElementById) {
        var selLength = ubb_content.textLength;
        var selStart = ubb_content.selectionStart;
        var selEnd = ubb_content.selectionEnd;
        if (selEnd==1 || selEnd==2) selEnd = selLength;
        var s1 = (ubb_content.value).substring(0, selStart);
        var s2 = (ubb_content.value).substring(selStart, selEnd)
        var s3 = (ubb_content.value).substring(selEnd, selLength);
        var newText = thetext;
        if (s2.charAt(s2.length - 1) == ' ') newText = newText + ' ';
        if (s2.charAt(0) == ' ') newText = ' ' + newText;
        ubb_content.value = s1 + thetext + s3;
    } else {
        ubb_content.value += thetext;
    }
//    ubb_setfocus();
}

// *******************************************************

function ubb_bold(){
  addST("[b]","[/b]");
}

function ubb_italicize(){
   addST("[i]","[/i]");
}

function ubb_underline(){
  addST("[u]","[/u]");
}

function ubb_left() {
   addST("[align=left]","[/align]");
}

function ubb_center() {
   addST("[align=center]","[/align]");
}

function ubb_right() {
   addST("[align=right]","[/align]");
}

function ubb_size(size){
  if (size && size != "") {
   addST("[size=" + size + "]","[/size]");
  }
}

function ubb_font(font){
  if (font && font != "") {
    addST("[face=" + font + "]","[/face]");
  }
}

function ubb_color(color) {
  if (color && color != "") {
   addST("[color=" + color + "]","[/color]");
  }
}

function ubb_code(){
  var selection = getSelection(ubb_content);
  var inserttext = "";
  if (selection.length > 0) {
     txt=prompt(ubb_name+"輸入代碼的類型：\n支持java,xml,c#,css,c,delphi,js,php,python,ruby,sql,vb","");
     if (txt ==null || Trim(txt) == ""){
       addST("[code]","[/code]");
     } else {
      addST("[code="+Trim(txt)+"]","[/code]");
     }
  }
}

function ubb_rcode(){
  var selection = getSelection(ubb_content);
  var inserttext = "";
  if (selection.length > 0) {
       addST("[rcode]","[/rcode]");
  }  
}

function ubb_table(){

 var trtxt = prompt(ubb_name+"輸入行數","1");
 if(trtxt > 99 || trtxt < 0){
   alert("請輸入1-99之間的整數");
   return;
 }
 var tbtxt = prompt(ubb_name+"輸入列數","1");

 if(tbtxt > 99 || trtxt < 0){
   alert("請輸入1-99之間的整數");
   return;
 }

 if(trtxt ==null  || Trim(trtxt)==""){
	trtxt=1;
 }

 if(tbtxt ==null || Trim(tbtxt)==""){
	tbtxt=1;
 }

  var selection = getSelection(ubb_content);
  inserttext = "[table]"; 
  for(var i=0;i<trtxt;i++){
	inserttext +="[tr]";
		for(var j=0;j<tbtxt;j++){
			inserttext +="[td][/td]";
		}
	inserttext +="[/tr]";
  }
  inserttext += "[/table]";
   insertString(inserttext);
}

function ubb_quote(){
  addST("[quote]","[/quote]");
}

function ubb_email() {
  txt2=prompt(ubb_name+"連接 名稱",""); 
  if (txt2!=null) {
    txt=prompt(ubb_name+"連接 Email地址","");      
    if (txt!=null) {
      if (txt2 == "")  txt2 = txt;
        ubb_AddText("[email="+txt+"]"+txt2 + "[/email]"); 
    } 
  }
}

function ubb_link(){
  txt2=prompt(ubb_name+"連接 名稱",""); 
  if (txt2!=null) {
    txt=prompt(ubb_name+"連接 URL地址","http://");      
    if (txt!=null) {
      if (txt2 == "")  txt2 = txt;
        ubb_AddText("[url='"+txt+"']"+txt2 + "[/url]"); 
    } 
  }
}

function ubb_AddText(NewCode){
  if(document.all)
    ubb_insertAtCaret(ubb_content, NewCode);
  else  
    ubb_content.value += NewCode;   
  ubb_setfocus(); 
}

function ubb_insertAtCaret (textEl, text){
  if (textEl.createTextRange && textEl.caretPos){
    var caretPos = textEl.caretPos;
    caretPos.text += caretPos.text.charAt(caretPos.text.length - 2) == ' ' ? text + ' ' : text;
  } else if(textEl){ 
    textEl.value += text; 
  } else { 
    textEl.value = text; 
  }  
}


function ubb_image(){   
  txt=prompt(ubb_name+"圖片 URL地址","http://");    
  if(txt!=null){
    ubb_AddText("\r[img]"+txt + "[/img]"); 
  }
}

function ubb_flash(){
  stxt=prompt(ubb_name+"Flash 寬度 高度",ubb_w+","+ubb_h);
  if (stxt!=null) {
    txt=prompt(ubb_name+"Flash URL地址","http://");
    if(txt!=null) {
      ubb_AddText("\r[flash=" + stxt + "]" + txt + "[/flash]"); 
    }
  }
}

function ubb_list(){
  var selection = getSelection(ubb_content);
  if (selection.length > 0) {
     selection = ubb_relaceLi(selection);
     selection = "[ul][li]" + selection + "[/li][/ul]";
     insertString(selection);
  }
}

function ubb_relaceLi(txt){

  txt = txt.replace(/\r\n|\n/ig,"[/li][li]");
 
  return txt;
}

function ubb_listnamber(){
  var selection = getSelection(ubb_content);
  if (selection.length > 0) {
     selection = ubb_relaceLi(selection);
     selection = "[ol][li]" + selection + "[/li][/ol]";
     insertString(selection);
  }
}

function ubb_hr(){
  ubb_AddText("[hr]");
}

function ubb_strikethrough(){
  addST("[s]","[/s]");
}

function ubb_sub(){
  addST("[sub]","[/sub]");
}

function ubb_sup(){
  addST("[sup]","[/sup]");
}

function ubb_fly(){
  addST("[fly]","[/fly]");
}

function ubb_move(){
  addST("[move=left]","[/move]");
}

function ubb_glow(){
  stxt=prompt(ubb_name+"發光字長度，顏色，邊界大小","255,red,2");
  if (stxt != null) {
    addST("[glow="+stxt+"]","[/glow]");
  }
}

function ubb_tag(){
  addST("[tag]","[/tag]");
}

function ubb_free(){
  addST("[free]","[/free]");
}

function ubb_hidden(){
  var selection = getSelection(ubb_content);
  if (selection.length > 0) {
    addST("[hidden]","[/hidden]");
  } else {
    ubb_content.value = "[hidden]"+ ubb_content.value+"[/hidden]";
  }
}

function ubb_money(){
  stxt=prompt(ubb_name+"請輸入財富限制數量","10");
  if (stxt){
   var selection = getSelection(ubb_content);
     if (selection.length > 0) {
      addST("[money="+stxt+"]","[/money]");
    } else {
      ubb_content.value = "[money="+stxt+"]"+ ubb_content.value+"[/money]";
    }
  }
}

function ubb_score(){
  stxt=prompt(ubb_name+"請輸入積分限制數量","10");
  if (stxt){
     var selection = getSelection(ubb_content);
     if (selection.length > 0) {
      addST("[score="+stxt+"]","[/score]");
    } else {
      ubb_content.value = "[score="+stxt+"]"+ ubb_content.value+"[/score]";
    }
  }
}

function ubb_level(){
  stxt=prompt(ubb_name+"請輸入積分限制數量","1");
  if (stxt){
     var selection = getSelection(ubb_content);
     if (selection.length > 0) {
      addST("[level="+stxt+"]","[/level]");
    } else {
      ubb_content.value = "[level="+stxt+"]"+ ubb_content.value+"[/level]";
    }
  }
}

function ubb_shadow(){
  stxt=prompt(ubb_name+"陰影字長度，顏色，邊界大小","255,blue,1");
  if (stxt != null) {
    addST("[shadow="+stxt+"]","[/shadow]");
  }
}
function ubb_rm(){
  stxt=prompt(ubb_name+"Realplay文件 寬度，高度",ubb_w+","+ubb_h);
  if (stxt!=null) {
    txt=prompt(ubb_name+"Realplay文件 URL地址","http://");
    if(txt!=null) ubb_AddText("\r[rm="+stxt+"]"+txt + "[/rm]");
  }
}

function ubb_mp(){
  stxt=prompt(ubb_name+"Windows Media Player文件 寬度，高度",ubb_w+","+ubb_h);
  if (stxt!=null) {
    txt=prompt(ubb_name+"Windows Media Player文件 URL地址","http://");
    if(txt!=null) ubb_AddText("\r[mp="+stxt+"]"+txt + "[/mp]"); 
  }
}

function ubb_dir(){
  stxt=prompt(ubb_name+"Shockwave格式文件 寬度，高度",ubb_w+","+ubb_h);
  if (stxt!=null) {
    txt=prompt(ubb_name+"shockwave格式文件 URL地址","http://");
    if(txt!=null) ubb_AddText("\r[dir="+stxt+"]"+txt + "[/dir]"); 
  }
}

function ubb_qt(){
  stxt=prompt(ubb_name+"Quick Time格式文件 寬度，高度",ubb_w+","+ubb_h);
  if (stxt!=null) {
    txt=prompt(ubb_name+"Quick Time格式文件 URL地址","http://");
    if(txt!=null) ubb_AddText("\r[qt="+stxt+"]"+txt + "[/qt]"); 
  }
}

function ubb_copy() {

  if (document.all){
     ubb_setfocus();
    document.execCommand("copy");
  } else {
    var rng = document.body.createTextRange();
    rng.moveToElementText(ubb_content);
    rng.scrollIntoView();
    rng.select();
    rng.execCommand("Copy");
    rng.collapse(false);
  }
  /*
    var rng = ubb_content.createTextRange();


  //  var rng = document.body.createTextRange();
   // rng.moveToElementText(getSelection(ubb_content));
    //rng.scrollIntoView();
    //rng.select();
    rng.execCommand("Copy");
    //rng.collapse(false);

*/
}

function ubb_paste() {
  ubb_setfocus();
   if (document.all){
    document.execCommand("paste");
  }
/*
    var rng = document.body.createTextRange();
    rng.moveToElementText(ubb_content);
    rng.scrollIntoView();
    rng.select();
    rng.execCommand("paste");
    rng.collapse(false);
   */
}

function ubb_cut() {
  ubb_setfocus();
   if (document.all){
    document.execCommand("cut");
  }
}

function ubb_undo() {
  ubb_setfocus();
  if (document.all){
    document.execCommand("undo");
  }
}

function ubb_redo() {
  ubb_setfocus();
  if (document.all){
    document.execCommand("redo");
  }
}


//UBB運行代碼
function runCode(objDiv) {
  var obj = getUBBRcode(objDiv);
  if(obj){
    //var obj  = objDiv.childNodes(2);
    var winname = window.open('', "_blank", '');
    winname.document.open('text/html', 'replace');
    winname.opener = null // 防止代碼對父頁面修改
    winname.document.write(obj.value);
    winname.document.close();
  }
}

function getUBBRcode(objDiv){
  try{
    for(var i=0;i<objDiv.childNodes.length;i++ ){
      if(objDiv.childNodes(i).name == "ubb_rcode"){
        return objDiv.childNodes(i);
      }
    }
  } catch(e){
  }
  return null;
}

function saveCode(objDiv) {
  var obj = getUBBRcode(objDiv);
  if(obj){
    var winname = window.open('', '_blank', 'top=10000');
    winname.document.open('text/html', 'replace');
    winname.document.write(obj.value);
    winname.document.execCommand('saveas','','code.htm');
    winname.close();
  }
}

function copyCode(objDiv) {
  var obj = getUBBRcode(objDiv);
  if(obj){
    var rng = document.body.createTextRange();
    rng.moveToElementText(obj);
    rng.scrollIntoView();
    rng.select();
    rng.execCommand("Copy");
    rng.collapse(false);
  }
}