sortinganimationcontrollermanager.java

用JAVA实现排序等简单算法的演示

package animationController;

import java.awt.BorderLayout;
import java.awt.FlowLayout;
import java.awt.GridLayout;

import javax.swing.BorderFactory;
import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextField;

public class SortingAnimationControllerManager extends AnimationControllerManager {
	public static SortingAnimationController controller = new SortingAnimationController();
	
	public static void changeValuesByUser(JFrame parent) {
		SortingAnimationControllerChanger changer = new SortingAnimationControllerChanger();
		
		changer.changeValuesByUser(parent);
	}
	
	public static SortingAnimationController createSortingAnimationController() {
		SortingAnimationController localController = new SortingAnimationController();
		localController.stepDelay = AnimationControllerManager.controller.stepDelay;
		localController.animationDelay = AnimationControllerManager.controller.animationDelay;
		localController.unitMoving = AnimationControllerManager.controller.unitMoving;
		localController.dataSize = controller.dataSize;
		localController.maxDataValue = controller.maxDataValue;

		localController.setDefaultValue();
		return localController;
	}
}

class SortingAnimationControllerChanger {
	private JDialog place;
	private JTextField dataSizeField;
	private JTextField maxDataValueField;
	
	public void changeValuesByUser(JFrame parent) {
		
		JPanel basicPanel = new JPanel();
		basicPanel.setLayout(new GridLayout(2, 1, 0, 15));
		basicPanel.setBorder(BorderFactory.createTitledBorder(""));
		
		JPanel tempPanel = new JPanel();
		tempPanel.setLayout(new GridLayout(1, 2, 0, 0));
		JLabel promptLabel = new JLabel("Element size for sorting: ", JLabel.LEFT);
		dataSizeField = new JTextField(6);
		dataSizeField.setText(SortingAnimationControllerManager.controller.dataSize+"");
		promptLabel.setLabelFor(dataSizeField);
		tempPanel.add(promptLabel);
		tempPanel.add(dataSizeField);
		basicPanel.add(tempPanel);
		
		tempPanel = new JPanel();
		tempPanel.setLayout(new GridLayout(1, 2, 0, 0));
		promptLabel = new JLabel("Max value of element for sorting: ", JLabel.LEFT);
		maxDataValueField = new JTextField(6);
		maxDataValueField.setText(SortingAnimationControllerManager.controller.maxDataValue+"");
		promptLabel.setLabelFor(maxDataValueField);
		tempPanel.add(promptLabel);
		tempPanel.add(maxDataValueField);
		basicPanel.add(tempPanel);
		
		// 创建一事件监听器，该监听器监听下述两个按钮上发生的事件
		SimpleListener listener = new SimpleListener();
		JButton okButton = new JButton("Ok");
		okButton.setMnemonic('O');					// 设置快捷键
		okButton.setActionCommand("ok");			
		okButton.addActionListener(listener);		// 添加事件监听器
		JButton cancelButton = new JButton("Cancel");
		cancelButton.setMnemonic('C');				// 设置快捷键
		cancelButton.setActionCommand("cancel");			
		cancelButton.addActionListener(listener);	// 添加事件监听器
		JPanel buttonPanel = new JPanel();
		buttonPanel.setLayout(new FlowLayout(FlowLayout.CENTER, 40, 0));
		buttonPanel.add(okButton);
		buttonPanel.add(cancelButton);
		
		place = new JDialog(parent, "Set control parameters for sorting animation", true);
		place.setLayout(new BorderLayout());
		place.add(basicPanel, BorderLayout.NORTH);		// 放在左边
		place.add(buttonPanel, BorderLayout.SOUTH);
		
		place.pack();
		place.setLocation((parent.getWidth()-place.getWidth())/2, (parent.getHeight()-place.getHeight())/2);
		place.setVisible(true);
	}

	// 监听按钮的事件
	private class SimpleListener implements java.awt.event.ActionListener {
		// 事件监听程序
		public void actionPerformed(java.awt.event.ActionEvent evt) {
			String command = evt.getActionCommand();
			if (command.equals("ok")) {
				String text = dataSizeField.getText();
				SortingAnimationControllerManager.controller.dataSize = Integer.valueOf(text);
				text = maxDataValueField.getText();
				SortingAnimationControllerManager.controller.maxDataValue = Integer.valueOf(text);
				SortingAnimationControllerManager.controller.setDefaultValue();
			}
			place.dispose();
		}
	}
}