bottompanel.java

用java的awt和swing自制一个 简单的日历

package calendar;

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

public class BottomPanel extends JPanel {

	/**
	 * 
	 */
	private static final long serialVersionUID = 1000000000000000000L;
	private MonthLabel addMonth;  
	private MonthLabel minusMonth;
	private Label monthLable;
	private JPanel jPanel1;
	private DayPanel jPanel2;
	public static BottomPanel bopanel;
	
	public BottomPanel() {
		jPanel1 = new JPanel();
		minusMonth = new MonthLabel("<");
		addMonth = new  MonthLabel(">");
		monthLable = new Label();
		jPanel2 = new DayPanel();	
	    setBorder(BorderFactory.createLineBorder(new java.awt.Color(0, 0, 0)));
		addMonth.addMouseListener(addMonth);
		minusMonth.addMouseListener(minusMonth);
		monthLable.setAlignment(java.awt.Label.CENTER);
		monthLable.setBackground(new java.awt.Color(51, 0, 255));
		monthLable.setFont(new java.awt.Font("Dialog", 0, 18));
		monthLable.setText("  Mon    Tue     Wed     Thu     Fri     Sat     Sun  ");
		jPanel1Layout();
		bottomPanelLayout();
		bopanel=this;
		setBackGround();
	}
	/**
	 * 对这个面板上的当前选定日期标签进行设置背景
	 *
	 */
	public void  setBackGround()
	{
		String lable=TopPanel.toppanel.getDD().getText().trim();
		jPanel2.setBackGround(lable);
	}
	
	/**
	 * 除去面板上日期的背景颜色
	 * @param lable
	 */
	public void clearBackGround(String lable)
	{
		jPanel2.clearBackGround(lable);
	}
	/**
	 * 更新日历
	 *
	 */
	public void Update()
	{
		jPanel2.UpdateCalendar();
	}

	/**
	 * 对该面板进行布局设置
	 */
	private void bottomPanelLayout() {
	    GroupLayout CenterPanelLayout = new GroupLayout(this);
	    setLayout(CenterPanelLayout);
		CenterPanelLayout.setHorizontalGroup(CenterPanelLayout
				.createParallelGroup(GroupLayout.Alignment.LEADING)
				.addGroup(
						CenterPanelLayout.createSequentialGroup().addGap(83,
								83, 83).addComponent(jPanel2,
								GroupLayout.PREFERRED_SIZE,
								GroupLayout.DEFAULT_SIZE,
								GroupLayout.PREFERRED_SIZE))
				.addGroup(
						CenterPanelLayout.createSequentialGroup().addGap(24,
								24, 24).addComponent(jPanel1,
								GroupLayout.DEFAULT_SIZE, 479,
								Short.MAX_VALUE).addContainerGap()));
		CenterPanelLayout.setVerticalGroup(CenterPanelLayout
				.createParallelGroup(GroupLayout.Alignment.LEADING)
				.addGroup(
						CenterPanelLayout.createSequentialGroup()
								.addContainerGap().addComponent(jPanel1,
										GroupLayout.PREFERRED_SIZE,
										47,
										GroupLayout.PREFERRED_SIZE)
								.addGap(22, 22, 22).addComponent(jPanel2,
										GroupLayout.DEFAULT_SIZE,
										GroupLayout.DEFAULT_SIZE,
										Short.MAX_VALUE).addContainerGap()));
	}

	/**
	 * 对jPanel进行布局
	 */
	private void jPanel1Layout() {
		GroupLayout jPanel1Layout = new GroupLayout(
				jPanel1);
		jPanel1.setLayout(jPanel1Layout);
		jPanel1Layout.setHorizontalGroup(jPanel1Layout.createParallelGroup(
				GroupLayout.Alignment.LEADING).addGroup(
				jPanel1Layout.createSequentialGroup().addContainerGap()
						.addComponent(minusMonth,
								GroupLayout.PREFERRED_SIZE,
								GroupLayout.DEFAULT_SIZE,
								GroupLayout.PREFERRED_SIZE).addGap(
								22, 22, 22).addComponent(monthLable,
								GroupLayout.PREFERRED_SIZE, 384,
								GroupLayout.PREFERRED_SIZE).addGap(
								28, 28, 28).addComponent(addMonth,
								GroupLayout.PREFERRED_SIZE,
								GroupLayout.DEFAULT_SIZE,
								GroupLayout.PREFERRED_SIZE)
						.addContainerGap()));
		jPanel1Layout.setVerticalGroup(jPanel1Layout.createParallelGroup(GroupLayout.Alignment.LEADING)
						.addGroup(jPanel1Layout.createSequentialGroup()
										.addContainerGap()
										.addGroup(jPanel1Layout.createParallelGroup(GroupLayout.Alignment.LEADING)
														.addComponent(
																minusMonth,
																GroupLayout.DEFAULT_SIZE,
																38,
																Short.MAX_VALUE)
														.addComponent(
																addMonth,
																GroupLayout.PREFERRED_SIZE,
																GroupLayout.DEFAULT_SIZE,
																GroupLayout.PREFERRED_SIZE)
														.addComponent(
																monthLable,
																GroupLayout.PREFERRED_SIZE,
																38,
																GroupLayout.PREFERRED_SIZE))
										.addContainerGap()));
	}

}