Beispiel #1
0
  /**
   * Sets the grid being displayed. Reset the cellSize to be the largest that fits the entire grid
   * in the current visible area (use default if grid is too large).
   *
   * @param gr the grid to display
   */
  public void setGrid(Grid<?> gr) {
    currentLocation = new Location(0, 0);
    JViewport vp = getEnclosingViewport(); // before changing, reset
    // scroll/pan position
    if (vp != null) vp.setViewPosition(new Point(0, 0));

    grid = gr;
    originRow = originCol = 0;

    if (grid.getNumRows() == -1 && grid.getNumCols() == -1) {
      numRows = numCols = 2000;
      // This determines the "virtual" size of the pan world
    } else {
      numRows = grid.getNumRows();
      numCols = grid.getNumCols();
    }
    recalculateCellSize(MIN_CELL_SIZE);
  }
Beispiel #2
0
 public boolean isPannableUnbounded() {
   return grid != null && (grid.getNumRows() == -1 || grid.getNumCols() == -1);
 }