public void refresh(boolean refreshModel) { if (model == null) { colWidth = null; cellShift = 0; hotPointX = 0; hotPointY = 0; environment.onAreaNewContent(this); environment.onAreaNewHotPoint(this); return; } if (refreshModel) model.refresh(); final int colCount = model.getColCount(); final int rowCount = model.getRowCount(); if (colCount <= 0 || rowCount <= 0) { colWidth = null; cellShift = 0; hotPointX = 0; hotPointY = 0; environment.onAreaNewContent(this); environment.onAreaNewHotPoint(this); return; } initialHotPointX = appearance.getInitialHotPointX(model); colWidth = new int[colCount]; int totalWidth = initialHotPointX; for (int i = 0; i < colCount; ++i) { final int width = appearance.getColWidth(model, i); colWidth[i] = width >= 1 ? width : 1; totalWidth += (colWidth[i] + 1); } if (hotPointY > rowCount) hotPointY = rowCount; if (hotPointY < rowCount && hotPointX >= totalWidth) hotPointX = totalWidth - 1; // totalWidth may not be zero as always we have at least one column here; if (hotPointY == rowCount) hotPointX = 0; environment.onAreaNewContent(this); environment.onAreaNewHotPoint(this); }