//功能：IwebOffice工具條
//展亮編寫
//2003-12-5 15:07
//---------------------------------------Show Bar Star----------------------------------------
SEP_PADDING = 5
HANDLE_PADDING = 7

var yToolbars =	new Array();
var YInitialized = false;

function ShowBar()
{
  if (YInitialized) return;
  YInitialized = true;

  var i, s, curr;
  for (i=0; i<document.body.all.length;	i++)
  {
    curr=document.body.all[i];
    if (curr.className == "yToolbar")
    {
      InitTB(curr);
      yToolbars[yToolbars.length] = curr;
    }
  }
  
  DoLayout();
  window.onresize = DoLayout;
}

function InitBtn(btn)
{
  btn.onmouseover = BtnMouseOver;
  btn.onmouseout = BtnMouseOut;
  btn.onmousedown = BtnMouseDown;
  btn.onmouseup	= BtnMouseUp;
  btn.ondragstart = YCancelEvent;
  btn.onselectstart = YCancelEvent;
  btn.onselect = YCancelEvent;
  btn.YUSERONCLICK = btn.onclick;
  btn.onclick =	YCancelEvent;
  btn.YINITIALIZED = true;
  return true;
}

function InitTB(y)
{
  y.TBWidth = 0;
  if (!	PopulateTB(y)) return false;
  y.style.posWidth = y.TBWidth;
  return true;
}


function YCancelEvent()
{
  event.returnValue=false;
  event.cancelBubble=true;
  return false;
}

function BtnMouseOver()
{
  if (event.srcElement.tagName != "IMG") return	false;
  var image = event.srcElement;
  var element =	image.parentElement;
  if (image.className == "Ico")	element.className = "BtnMouseOverUp";
  else if (image.className == "IcoDownPressed") element.className = "BtnMouseOverDown";
  event.cancelBubble = true;
}

function BtnMouseOut()
{
  if (event.srcElement.tagName != "IMG") {
    event.cancelBubble = true;
    return false;
  }
  var image = event.srcElement;
  var element =	image.parentElement;
  yRaisedElement = null;
  element.className = "Btn";
  image.className = "Ico";
  event.cancelBubble = true;
}

function BtnMouseDown()
{
    if (event.srcElement.tagName != "IMG") {
    event.cancelBubble = true;
    event.returnValue=false;
    return false;
  }
  var image = event.srcElement;
  var element =	image.parentElement;
  element.className = "BtnMouseOverDown";
  image.className = "IcoDownPressed";
  event.cancelBubble = true;
  event.returnValue=false;
  return false;
}

function BtnMouseUp()
{
  if (event.srcElement.tagName != "IMG") {
    event.cancelBubble = true;
    return false;
  }

  var image = event.srcElement;
  var element =	image.parentElement;
  element.className = "BtnMouseOverUp";
  image.className = "Ico";
  if (element.YUSERONCLICK) eval(element.YUSERONCLICK +	"anonymous()");
  event.cancelBubble = true;
  return false;
}

function PopulateTB(y)
{
  var i, elements, element;
  elements = y.children;
  for (i=0; i<elements.length; i++) {
    element = elements[i];
    if (element.tagName	== "SCRIPT" || element.tagName == "!") continue;

    switch (element.className) {
    case "Btn":
      if (element.YINITIALIZED == null)	{
		if (! InitBtn(element))
			return false;
      }
      element.style.posLeft = y.TBWidth;
      y.TBWidth	+= element.offsetWidth + 1;
      break;
    case "TBGen":
      element.style.posLeft = y.TBWidth;
      y.TBWidth	+= element.offsetWidth + 1;
      break;
    case "TBSep":
      element.style.posLeft = y.TBWidth	+ 2;
      y.TBWidth	+= SEP_PADDING;
      break;
    case "TBHandle":
      element.style.posLeft = 2;
      y.TBWidth	+= element.offsetWidth + HANDLE_PADDING;
      break;
    default:
      return false;
    }
  }

  y.TBWidth += 1;
  return true;
}

function LayoutTBs()
{
  NumTBs = yToolbars.length;

  if (NumTBs ==	0) return;

  var i;
  var ScrWid = (document.body.clientWidth);
  var TotalLen = ScrWid;
  for (i = 0 ; i < NumTBs ; i++) {
    TB = yToolbars[i];
    if (TB.TBWidth > TotalLen) TotalLen	= TB.TBWidth;
  }
  var PrevTB;
  var LastStart	= 0;
  var RelTop = 0;
  var LastWid, CurrWid;

  var TB = yToolbars[0];
  TB.style.posTop = 0;
  TB.style.posLeft = 0;

  var Start = TB.TBWidth;
  for (i = 1 ; i < yToolbars.length ; i++) {
    PrevTB = TB;
    TB = yToolbars[i];
    CurrWid = TB.TBWidth;

    if ((Start + CurrWid) > ScrWid) {
      Start = 0;
      LastWid =	TotalLen - LastStart;
    }
    else {
      LastWid =	PrevTB.TBWidth;
      RelTop -=	TB.offsetHeight;
    }

    TB.style.posTop = RelTop;
    TB.style.posLeft = Start;
    PrevTB.style.width = LastWid;

    LastStart =	Start;
    Start += CurrWid;
  }

  TB.style.width = TotalLen - LastStart

  i--;
  TB = yToolbars[i];
  var TBInd = TB.sourceIndex;
  var A	= TB.document.all;
  var item;
  for (i in A) {
    item = A.item(i);
    if (! item)	continue;
    if (! item.style) continue;
    if (item.sourceIndex <= TBInd) continue;
    if (item.style.position == "absolute") continue;
    item.style.posTop =	RelTop;
  }
}

function DoLayout()
{
  LayoutTBs();
}
//---------------------------------------Show Bar End----------------------------------------