//
// SSLayout.java
//

/*
VisAD system for interactive analysis and visualization of numerical
data.  Copyright (C) 1996 - 2017 Bill Hibbard, Curtis Rueden, Tom
Rink, Dave Glowacki, Steve Emmerson, Tom Whittaker, Don Murray, and
Tommy Jasmin.

This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.

This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
Library General Public License for more details.

You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
MA 02111-1307, USA
*/

package visad.ss;

import java.awt.*;
import javax.swing.*;

/**
 * SSLayout is the layout manager for the SpreadSheet's cells and their labels.
 * It sets up components in a rectangular grid similar to GridLayout, but uses
 * the components' preferred sizes to allow for variable-sized cells.
 */
public class SSLayout implements LayoutManager {

  /**
   * Number of columns components should form.
   */
  private int NumCols;

  /**
   * Number of rows components should form.
   */
  private int NumRows;

  /**
   * Space between columns.
   */
  private int ColSpace;

  /**
   * Space between rows.
   */
  private int RowSpace;

  /**
   * Constructs an SSLayout.
   */
  public SSLayout(int ncol, int nrow, int wspace, int hspace) {
    NumCols = ncol;
    NumRows = nrow;
    ColSpace = wspace;
    RowSpace = hspace;
  }

  /**
   * Adds the necessary number of elements to the Component array.
   */
  private Component[] fillOut(Component[] c) {
    // warn the user
    System.err.println("Warning: spreadsheet cell layout is corrupted");

    // add blank components to the layout
    Component[] nc = new Component[NumCols * NumRows];
    System.arraycopy(c, 0, nc, 0, c.length);
    for (int i=c.length; i