A set of dynamic NGObjWeb elements for managing a tableview ...

TODO: needs loads of cleanups ...

WETableView attributes:

    list          - list to iterate through                          (NSArray)
    batchSize     - size of a page                                   (unsigned)
    currentBatch  - current page                                     (unsigned)
    
    item          - current item                                     (id)
    index         - current item index                               (unsigned)
    identifier    - unique id for element                            (id)
    previousItem  - previous item       // used to calculate groupBy (id)
    previousIndex - previous item index // used to calculate groupBy (unsigned)
    
    indexOfFirst  - index of first item of current page              (unsigned)
    indexOfLast   - index of last  item of current page              (unsigend)
    
    sortedKey     -                                                  (NSString)
    isDescending  - sort descending                                  (BOOL)
    groups        -                                                  (id)
    showGroup     -                                                  (BOOL)

    collapseOnClient       - use JavaScript for collapsing (only IE) (BOOL)
    scrollOnClient         - use JavaScript for scrolling  (only IE) (BOOL)
    autoScroll             - use overflow-scrolling        (only IE) (int)
    showBatchResizeButtons - default = YES                           (BOOL)

WETableHeader attributes:

   
    sortKey       - unique key; if set, a sorticon will be displayed (NSString) 
    negateSortDir - if YES, default sort dir is NSDescending         (BOOL)
    bgColor       - background color                                 (NSString)

WETableData attributes:

  
    sortKey       - unique key; if set, a sorticon will be displayed (NSString)
    negateSortDir - if YES, default sort dir is NSDescending         (BOOL)
    bgColor       - background color                                 (NSString)
    title         - title of header -> no header cell is needed      (NSString)
    isGroup       -

WETableView config attributes:

    titleColor
    headerColor
    footerColor
    evenColor
    oddColor
    fontColor
    fontFace
    fontSize

    nonSortIcon
    downwardSortIcon
    upwardSortIcon
  
    firstIcon
    firstBlindIcon
    previousIcon
    previousBlindIcon
    nextIcon
    nextBlindIcon
    lastIcon
    lastBlindIcon

    plusResizeIcon
    minusResizeIcon

    groupOpenedIcon
    groupClosedIcon
 
    ofLabel
    toLabel
    firstLabel
    previousLabel
    nextLabel
    lastLabel
    pageLabel
    sortLabel

    border
    cellpadding
    cellspacing

WETableHeader, WETableData config attributes:

    upwardSortIcon;
    downwardSortIcon;
    nonSortIcon;
    sortLabel;