Java and Cellular Automata

最新推荐文章于 2025-12-11 08:58:14 发布

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import java.awt.Color;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;

import javax.swing.*;


class JButtonGame extends JFrame implements ActionListener {

	private int nRows,nCols,nButtons;
	private int blankCol,blankRow,clickedRow,clickedCol;
	private JButton[][] buttons;
	private JTextField textField;
	public JButtonGame(){
		setSize(200,200);
		addWindowListener(new WindowAdapter(){
			public void windowClosing(WindowEvent event){
				System.exit(0);
			}
		});
		JPanel panel=new JPanel();
		nRows=4;nCols=4;nButtons=nRows*nCols;
		panel.setLayout(new GridLayout(nRows,nCols));
		buttons=new JButton[nRows][nCols];
		for(int nRow=0;nRow<nRows;nRow++){
			for(int nCol = 0;nCol<nCols;nCol++){
				buttons[nRow][nCol]=new JButton("");
				buttons[nRow][nCol].addActionListener(this);
				panel.add(buttons[nRow][nCol]);
			}
		}
		getContentPane().add("Center",panel);
		textField = new JTextField("",80);
		textField.setEditable(false);
		getContentPane().add("South",textField);
		int labelsUsed[]=new int [nButtons];
		for(int i=0;i<nButtons;i++){
			boolean labelUsed;int label;
			do{
				label = random(nButtons)+1;
				labelUsed = false;
				for(int j=0;j<i;j++){
					labelUsed = ((labelUsed) || (label == labelsUsed[j]));
				}
			}while(labelUsed);
			labelsUsed[i]=label;
			int nRow= i/nCols;int nCol=i-nRow*nCols;
			buttons[nRow][nCol].setText((new Integer(label)).toString());
		}
		getButtonPosition((new Integer(nButtons)).toString());
		blankRow = clickedRow;blankCol = clickedCol;
		JButton blank = buttons[clickedRow][clickedCol];
		blank.setText("");
		blank.setBackground(Color.green);
	}//end constructionJButtonGame()
	private int random(int k){
		return (int)(k*Math.random()-0.1);
	}
	private void getButtonPosition(String label){
		for(int nr=0;nr<nRows;nr++){
			for(int nc=0;nc<nCols;nc++){
				if(buttons[nr][nc].getText().equals(label)){
					clickedRow =nr;
					clickedCol=nc;
					textField.setText("["+nr+","+nc+"]"+label);
				}
			}
		}
	}//end method getButtonPosition(String)
	@Override
	public void actionPerformed(ActionEvent e) {
		// TODO Auto-generated method stub
		getButtonPosition(e.getActionCommand());
		textField.setText("["+blankRow+","+blankCol+"]=>["+clickedRow+","+clickedCol+"]");
		if(clickedRow==blankRow){
			if(Math.abs(clickedCol-blankCol)==1){
				moveBlank(blankRow,blankCol,clickedRow,clickedCol);
			}else if(clickedCol==blankCol){
				if(Math.abs(clickedRow-blankRow)==1){
					moveBlank(blankRow,blankCol,clickedRow,clickedCol);
				}
			}
		}
		
	}//end method actionPerformed
	public void moveBlank(int oldRow,int oldCol,int newRow,int newCol){
		JButton oldBlank = buttons[oldRow][oldCol];
		JButton newBlank = buttons[newRow][newCol];
		String label = newBlank.getText();
		newBlank.setText("");
		newBlank.setBackground(Color.green);
		oldBlank.setText(label);
		oldBlank.setBackground(Color.lightGray);
		blankRow = newRow;blankCol=newCol;
	}//end method moveBlank
	public static void main(String[] args){
		new JButtonGame().setVisible(true);
	}//end method main
}