var cellSelect = null
var TABLE = null
var DIV=null;
var ACTIVE=false;

function cellSelected()
{
 if(cellSelect==null){alert('Keine Zelle ausgewählt'); return 0}
 return 1;
}



function insertTable()
{
  var el=document.frames[fID];
  if(!el){alert('Bitte wählen Sie den Editor');return}
  el.focus();

  var sel = el.document.selection;
  if(sel.type=="Control") return


  var Range = sel.createRange();
  if(!Range.duplicate) return;
  var wrd='' ;
  el.curword=Range.duplicate();
  wrd= el.curword.text;


  var urlx= QBPATH + '/createtable.html'
  var arr=showModalDialog(urlx, QBPATH ,  "font-family:Verdana;font-size:12;dialogWidth:30em;dialogHeight:34em; edge:sunken;help:no;status:no");
  if(arr==null) return

  var arrA= arr.split('x')
  if( !arrA[1] || isNaN(arrA[1]) ) arrA[1]=1
  arrA[1]++; arrA[1]--; // cols
  if( arrA[0]=='' || isNaN(arrA[0]) ) arrA[0]=1
  arrA[0]++; arrA[0]--; // rows

  var temp=''
  for(var i=0; i<arrA[0]; i++)
   {
        temp += "<TR>"
    for(var j=0; j<arrA[1]; j++)
         {
          if(j==0 && i==0) temp += "<TD>"+wrd+"&nbsp;</TD>"
          else temp += "<TD>&nbsp;</TD>"
         }
        temp += "</TR>"
   }

  var TABLESTR ='<TABLE BORDER>' + temp + '</TABLE>'

  var Range = sel.createRange();
  if(!Range.duplicate) return;
  Range.pasteHTML(TABLESTR);


}


function insertCell()
{
 if(! cellSelected()) return
 var rowSelect= cellSelect.parentElement
 var newCell= rowSelect.insertCell(cellSelect.cellIndex+1);
 newCell.innerHTML= cellSelect.innerHTML ;

}

function deleteCell()
{
 if(! cellSelected()) return
 var col= cellSelect.cellIndex
 var rowSelect= cellSelect.parentElement
 rowSelect.deleteCell(col)
 cellSelect = rowSelect.cells[col]
 if(!cellSelect) cellSelect = rowSelect.cells[col-1]
 if(cellSelect) currentCell(cellSelect)

}



function insertRow()
{
 if(!cellSelected()) return

 var rowSelect= cellSelect.parentElement
 var tableSelect= rowSelect.parentElement
 var ridx= rowSelect.rowIndex;


 var row= tableSelect.rows[ridx]; // first row
 var idx=0;
 for(var j=0; j<row.cells.length; j++) // j= cellIndex
  {
    if(!row.cells[j]) break;
    idx += row.cells[j].colSpan-1
  }

 var colx= j+idx

 var newRow= tableSelect.insertRow(ridx);
 var newCell;
 for(var i=0; i<colx; i++)
  { newCell=newRow.insertCell() }


 for(var i=0; i<=ridx; i++)
  {
        row= tableSelect.rows[i];
        for(var j=0; j<row.cells.length; j++) // j= cellIndex
         {
       if(row.cells[j].rowSpan>1 && i+row.cells[j].rowSpan>ridx)
                 row.cells[j].rowSpan += 1
         }
  }

}


function deleteRow()
{
 if(! cellSelected()) return
 var rowSelect= cellSelect.parentElement
 var tableSelect= rowSelect.parentElement
 var ridx= rowSelect.rowIndex

 row= rowSelect;
 var rlen=row.cells.length;
 for(var i=0; i<rlen; i++)
  {
    if(row.cells[i].rowSpan>1)
         {
      var newCell= tableSelect.rows[ridx+1].insertCell(i);
      newCell.rowSpan= row.cells[i].rowSpan - 1 ;
          newCell.innerHTML= row.cells[i].innerHTML ;
          row.cells[i].rowSpan =1
         }
  }


 while(row.cells.length) { row.deleteCell(0); }


 for(var i=0; i<=ridx; i++)
  {
        row= tableSelect.rows[i];
        for(var j=0; j<row.cells.length; j++)
         {
       if(row.cells[j].rowSpan>1 && i+row.cells[j].rowSpan>ridx)
                 row.cells[j].rowSpan -= 1
         }
   }

  if(row.cells.length==0) tableSelect.deleteRow(ridx)

}




function getColumnNo()
{
 if(! cellSelected()) return

 var cidx= cellSelect.cellIndex
 var rowSelect= cellSelect.parentElement
 var tableSelect= rowSelect.parentElement

 var idx, row, colx ;
 var rspan = new Array() ;
 for(var i=0; i<rowSelect.rowIndex+1; i++)
  {
   row= tableSelect.rows[i]
   idx=0;
   for(var j=0; j<row.cells.length; j++) // j= cellIndex
           {
     if(!rspan[j+idx])rspan[j+idx]=0
         if(!row.cells[j]) break;

         while(rspan[j+idx]>0) { rspan[j+idx]--; idx++ }
     rspan[j+idx]=row.cells[j].rowSpan-1

            if(i==rowSelect.rowIndex && j==cidx){ colx=j+idx; break }

           idx += row.cells[j].colSpan-1
           }
  }

 return colx

}





function getCellIndex(colx, row)
{
 var tableSelect= row.parentElement
 var rowIdx= row.rowIndex

 var rspan= new Array();
 var newCell, cs , idx;
 for(var i=0; i<rowIdx+1; i++)
  {
   row= tableSelect.rows[i]
   idx=0;
   for(var j=0; j<=colx ; j++) // j= cellIndex
           {
         if(!rspan[j+idx])rspan[j+idx]=0;

         while(rspan[j+idx]){rspan[j+idx]--; idx++ }

     if(row.cells[j]) rspan[j+idx]=row.cells[j].rowSpan-1
         if(!row.cells[j] || (j+idx>=colx) )
            {
       if(i==rowIdx) return j;
           else break;
     }
           idx += row.cells[j].colSpan-1
           }
  }

}




function getMaxColumn()
{
 var rowSelect= cellSelect.parentElement
 var tableSelect= rowSelect.parentElement
 var cell, colnum=0
 for(var i=0; i<tableSelect.rows[0].cells.length ; i++) // i= cellIndex
  {
   cell= tableSelect.rows[0].cells[i]
   colnum += cell.colSpan
  }
 return colnum
}



function insertCol()
{
 if(! cellSelected()) return

 var rowSelect= cellSelect.parentElement
 var tableSelect= rowSelect.parentElement
 var lines= tableSelect.rows

 var colx= getColumnNo()

 var rspan= new Array();
 var newCell, cs ;
 for(var i=0; i<lines.length; i++)
  {
   row= tableSelect.rows[i]
   idx=0;
   for(var j=0; j<=colx ; j++) // j= cellIndex
           {
         if(!rspan[j+idx])rspan[j+idx]=0;

         while(rspan[j+idx]){rspan[j+idx]--; idx++ }

     if(row.cells[j]) rspan[j+idx]=row.cells[j].rowSpan-1
         if(!row.cells[j] || (j+idx>=colx) )
            {
          if(row.cells[j-1]) cs=row.cells[j-1].colSpan
          else cs=1
          if(cs==1){ newCell=row.insertCell(j); break; }
          else
                {
                  /*  for cut later ************
                  var cont= row.cells[j-1].innerHTML
                  if(cs - (j+idx-colx)>0) row.cells[j-1].colSpan= cs - (j+idx-colx)
                  newCell=row.insertCell(j)
                  newCell.runtimeStyle.backgroundColor = "#b09090" ;
          newCell=row.insertCell(j+1)
                  if(j+idx-colx>0) newCell.colSpan= j+idx-colx
                  newCell.innerHTML= cont
                  */
                  row.cells[j-1].colSpan += 1
                  break ;
            }
            }
           idx += row.cells[j].colSpan-1
           }
  }

}




function deleteCol()
{
 if(! cellSelected()) return

 var rowSelect= cellSelect.parentElement
 var tableSelect= rowSelect.parentElement
 var lines= tableSelect.rows

 var colx= getColumnNo()

 var rspan= new Array();
 var newCell, cs ;
 for(var i=0; i<lines.length; i++)
  {
   row= tableSelect.rows[i]
   idx=0;
   for(var j=0; j<=colx ; j++) // j= cellIndex
           {
         if(!rspan[j+idx])rspan[j+idx]=0;
            while(rspan[j+idx]){rspan[j+idx]--; idx++ }
     if(row.cells[j]) rspan[j+idx]=row.cells[j].rowSpan-1
         if(!row.cells[j] || (j+idx>=colx) )
            {
          if(row.cells[j-1]) cs=row.cells[j-1].colSpan
          else cs=1
          if(cs==1) row.deleteCell(j)
          else row.cells[j-1].colSpan -= 1
          break ;
            }
           idx += row.cells[j].colSpan-1
           }
  }

}





function cleanupSelection()
{
  if (cellSelect==null || cellSelect.parentElement==null) return
  cellSelect.runtimeStyle.backgroundColor = "" ;
  cellSelect.runtimeStyle.color = "";
  var table= cellSelect.parentElement.parentElement.parentElement
  if(table) table.runtimeStyle.backgroundColor= "" ;
}


/************* CURRENT CELL ****************/
function currentCell(cell)
{
  cleanupSelection();
  var table= cell.parentElement.parentElement.parentElement

  if(!table.bgColor) table.runtimeStyle.backgroundColor='#c0c0f0' ;

  if(cell.bgColor!='#00ffff' && table.bgColor!='#00ffff')
    cell.runtimeStyle.backgroundColor = "cyan";
  else cell.runtimeStyle.backgroundColor = "#00aaaa";
  cell.runtimeStyle.color = "red";
  cellSelect= cell
}



function doClick(el)
{
  if(el.tagName=='TABLE'){ TABLE=el; return}
  TABLE=null

  while(el.tagName !='TD' && el.tagName !='BODY') el= el.parentElement
  if(el.tagName!="TD"){ cleanupSelection(); cellSelect=null; return }
  if(el!=cellSelect) currentCell(el)
}




function cellProp()
{
  if(! cellSelected()) return

  var twidth= screen.width/2, theight=250;
  var tposx= (screen.width- twidth)/2
  var tposy= screen.height- theight - 55

  var urlx= QBPATH + '/cellpro.html'

  var newWin1=window.open(urlx,"cell","toolbar=no,width="+twidth+",height=" + theight+ ", directories=no,status=no,scrollbars=yes,resizable=no,menubar=no")
  newWin1.moveTo(tposx,tposy);
  newWin1.focus()

}



function tableProp()
{

  if(!TABLE && !cellSelected()) return

  var twidth= 0.8*screen.width, theight=190;
  var tposx= (screen.width- twidth)/2
  var tposy= screen.height- theight - 55

  var urlx= QBPATH + '/tablepro.html'

  newWin1=window.open(urlx,"table","toolbar=no,width="+ twidth+",height="+ theight+ ",directories=no,status=no,scrollbars=yes,resizable=no, menubar=no")
  newWin1.moveTo(tposx,tposy);
  newWin1.focus()
}



function morecolSpan()
{
  if(! cellSelected()) return

  var maxcol= getMaxColumn()
  var colx= getColumnNo() ; // current
  if(colx+cellSelect.colSpan>=maxcol) return

  var col= cellSelect.cellIndex
  var row=cellSelect.parentElement
  if(row.cells[col+1])
  {
   cellSelect.innerHTML += row.cells[col+1].innerHTML
   cellSelect.colSpan += row.cells[col+1].colSpan
   row.deleteCell(col+1)
  }

}




function lesscolSpan()
{
  if(! cellSelected()) return
  if(cellSelect.colSpan==1) return
  var col= cellSelect.cellIndex
  cellSelect.colSpan -= 1
  cellSelect.parentElement.insertCell(col+1)

}



function morerowSpan()
{
  if(!cellSelected()) return

  var rowSpan= cellSelect.rowSpan
  var rowSelect=cellSelect.parentElement
  var tableSelect=rowSelect.parentElement
  var rowNum= tableSelect.rows.length
  var ridx= rowSelect.rowIndex+rowSpan; // next

  if( ridx>=rowNum) return

  var colx= getColumnNo() ; // current
  var rowNext= tableSelect.rows[ridx]

  var cidx=getCellIndex(colx, rowNext); // Next

  if(!rowNext.cells[cidx]) return;

  cellSelect.rowSpan += rowNext.cells[cidx].rowSpan
  cellSelect.innerHTML += rowNext.cells[cidx].innerHTML
  rowNext.deleteCell(cidx)

}


function lessrowSpan()
{
  if(! cellSelected()) return
  if(cellSelect.rowSpan==1) return

  var rowSpan= cellSelect.rowSpan
  var rowSelect=cellSelect.parentElement
  var tableSelect=rowSelect.parentElement
  var rowNum= tableSelect.rows.length
  var ridx= rowSelect.rowIndex+rowSpan-1; // next


  var colx= getColumnNo() ; // current
  var rowNext= tableSelect.rows[ridx]
  var cidx=getCellIndex(colx, rowNext); // Next

  cellSelect.rowSpan -= 1
  rowNext.insertCell(cidx)
  rowNext.cells[cidx].colSpan = cellSelect.colSpan

}