previousButtonFunction method

void previousButtonFunction()

Implementation

void previousButtonFunction(){
  bool minArrive = ( widget.currentPage - 1 ) == 0;
  // Log.i("PaginateNumberWidget - previousButtonFunction() - minArrive: $minArrive /currentPage: ${widget.currentPage}");

  //check min zero
  if( minArrive) {
    widget.currentPage = 1;
     msgError =  "No Previous Page Found".arf( "لا يوجد صفح اقل من ١")  ;
     setState(() {

     });
    return;
  }
  msgError = null;

  //change current page
  widget.currentPage = widget.currentPage-1;

  //redraw list numbers
  initNumberListWidget();

  setState(() {

  });

  // Log.i("PaginateNumberWidget - previousButtonFunction() - result currentPage: ${widget.currentPage}");

  //call
  widget.paginateNumberChange(widget.currentPage);

}