package service;

import java.util.Date;

import dao.RecordDAO;
import entity.Category;
import entity.Record;

public class RecordService {
	RecordDAO recordDao = new RecordDAO();
	public void add(int spend, Category c, String comment,Date date){
		Record r = new Record();
		r.spend = spend;
		r.cid = c.id;
		r.comment = comment;
		r.date = date;
		recordDao.add(r);
	}
}

package gui.model;

import java.util.List;

import javax.swing.ComboBoxModel;
import javax.swing.event.ListDataListener;

import entity.Category;
import service.CategoryService;

public class CategoryComboBoxModel implements ComboBoxModel<Category>{

	public List<Category> cs = new CategoryService().list();
	
	public Category c;
	
	public CategoryComboBoxModel(){
		if(!cs.isEmpty())
			c=cs.get(0);
	}
	
	@Override
	public int getSize() {
		// TODO Auto-generated method stub
		
		return cs.size();
	}

	@Override
	public Category getElementAt(int index) {
		// TODO Auto-generated method stub
		return cs.get(index);
	}

	@Override
	public void addListDataListener(ListDataListener l) {
		// TODO Auto-generated method stub
		
	}

	@Override
	public void removeListDataListener(ListDataListener l) {
		// TODO Auto-generated method stub
		
	}

	@Override
	public void setSelectedItem(Object anItem) {
		c = (Category) anItem;
	}

	@Override
	public Object getSelectedItem() {
		if(!cs.isEmpty())
			return c;
		else
			return null;

	}

}

package gui.listener;

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.Date;

import javax.swing.JOptionPane;

import entity.Category;
import gui.panel.CategoryPanel;
import gui.panel.MainPanel;
import gui.panel.RecordPanel;
import gui.panel.SpendPanel;
import service.RecordService;
import util.GUIUtil;

public class RecordListener implements ActionListener {

	@Override
	public void actionPerformed(ActionEvent e) {
		RecordPanel p  =RecordPanel.instance;
		if(0==p.cbModel.cs.size()){
			JOptionPane.showMessageDialog(p, "暂无消费分类，无法添加，请先增加消费分类");
			MainPanel.instance.workingPanel.show(CategoryPanel.instance);
			return;
		}
		
		if(!GUIUtil.checkZero(p.tfSpend,"花费金额"))
			return;
		int spend = Integer.parseInt(p.tfSpend.getText());
		Category c = p.getSelectedCategory();
		String comment = p.tfComment.getText();
		Date d = p.datepick.getDate();
		new RecordService().add(spend, c, comment, d);
		JOptionPane.showMessageDialog(p, "添加成功");
		
		MainPanel.instance.workingPanel.show(SpendPanel.instance);
		
	}

}

package gui.panel;

import java.awt.BorderLayout;
import java.awt.GridLayout;
import java.util.Date;

import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextField;

import org.jdesktop.swingx.JXDatePicker;

import entity.Category;
import gui.listener.RecordListener;
import gui.model.CategoryComboBoxModel;
import service.CategoryService;
import util.ColorUtil;
import util.GUIUtil;

public class RecordPanel extends WorkingPanel {
	static{
		GUIUtil.useLNF();
	}
	public static RecordPanel instance = new RecordPanel();

	JLabel lSpend = new JLabel("花费(￥)");
	JLabel lCategory = new JLabel("分类");
	JLabel lComment = new JLabel("备注");
	JLabel lDate = new JLabel("日期");

	public JTextField tfSpend = new JTextField("0");

	public CategoryComboBoxModel cbModel = new CategoryComboBoxModel();
	public JComboBox<Category> cbCategory = new JComboBox<>(cbModel);
	public JTextField tfComment = new JTextField();
	public JXDatePicker datepick = new JXDatePicker(new Date());
	
	JButton bSubmit = new JButton("记一笔");

	public RecordPanel() {
		GUIUtil.setColor(ColorUtil.grayColor, lSpend,lCategory,lComment,lDate);
		GUIUtil.setColor(ColorUtil.blueColor, bSubmit);
		JPanel pInput =new JPanel();
		JPanel pSubmit = new JPanel();
		int gap = 40;
		pInput.setLayout(new GridLayout(4,2,gap,gap));
		
		pInput.add(lSpend);
		pInput.add(tfSpend);
		pInput.add(lCategory);
		pInput.add(cbCategory);
		pInput.add(lComment);
		pInput.add(tfComment);
		pInput.add(lDate);
		pInput.add(datepick);
		
		pSubmit.add(bSubmit);
		
		this.setLayout(new BorderLayout());
		this.add(pInput,BorderLayout.NORTH);
		this.add(pSubmit,BorderLayout.CENTER);
		
		addListener();
	}

	public static void main(String[] args) {
		GUIUtil.showPanel(RecordPanel.instance);
	}

	public Category getSelectedCategory(){
		return (Category) cbCategory.getSelectedItem();
	}

	@Override
	public void updateData() {
		cbModel.cs = new CategoryService().list();
		cbCategory.updateUI();
		resetInput();
		tfSpend.grabFocus();
	}
	
	public void resetInput(){
		tfSpend.setText("0");
		tfComment.setText("");
		if(0!=cbModel.cs.size())
			cbCategory.setSelectedIndex(0);
		datepick.setDate(new Date());
	}	

	@Override
	public void addListener() {
		// TODO Auto-generated method stub
		RecordListener listener = new RecordListener();
		bSubmit.addActionListener(listener);
	}

}