package com.vci.client.ui.swing.components;

import java.awt.Color;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.EventListener;

import com.vci.client.ui.date.PopupCalendarPanel;
import com.vci.client.ui.swing.VCISwingUtil;

/**
 * 
 * <p>
 * Title:
 * </p>
 * <p>
 * Description:
 * </p>
 * <p>
 * Copyright: Copyright (c) 2012
 * </p>
 * <p>
 * Company: VCI
 * </p>
 * 
 * @author xchao
 * @time 2012-5-15
 * @version 1.0
 */
public class VCIJCalendarPanel extends VCIJPanel implements ActionListener, EventListener {

	/**
	 * 
	 */
	private static final long serialVersionUID = 2746179740066575026L;
	/**
	 * 是否是必须的
	 */
	private boolean required = false;
	private boolean hasDate = true;
	/**
	 * 是否包含时间
	 */
	private boolean hasTime = false;

	/**
	 * 自定义日期格式字符串
	 */
	private String format = "";
	
	private SimpleDateFormat sf = null;
	
	public String itemStyle = null;// add by caill 2016.2.19 增加用来传递附加属性内容的变量
	private VCIJComboBox cbxDate = new VCIJComboBox();
	private VCIJButton btnShowCalendar = VCISwingUtil.createVCIJButton("ShowDateCalendar", "", "", "date.png", this);

	/**
	 * 构造日期&时间选择对象
	 */
	public VCIJCalendarPanel() {
		this(false);
	}

	/**
	 * 构造日期&时间选择对象
	 * 
	 * @param giveDefaultValue 是否自动填写日期&时间
	 */
	public VCIJCalendarPanel(boolean giveDefaultValue) {
		this(giveDefaultValue ? "yyyy-MM-dd" : "", false, giveDefaultValue);
	}

	/**
	 * 构造日期&时间选择对象
	 * 
	 * @param format           日期格式化字符串
	 * @param required         是否是必须的
	 * @param giveDefaultValue 是否自动填写日期&时间
	 */
	public VCIJCalendarPanel(String format, boolean required, boolean giveDefaultValue) {
		this(format, required, giveDefaultValue, false);
	}

	/**
	 * 构造日期&时间选择对象
	 * 
	 * @param format           日期格式化字符串
	 * @param required         是否是必须的
	 * @param giveDefaultValue 是否自动填写日期&时间
	 * @param hasTime          是否包含时间
	 */
	@Deprecated
	public VCIJCalendarPanel(String format, boolean required, boolean giveDefaultValue, boolean hasTime) {
		this(required, giveDefaultValue, true, hasTime, format);
	}

	/**
	 * 构造日期&时间选择对象
	 * 
	 * @param format           日期格式化字符串
	 * @param required         是否是必须的
	 * @param giveDefaultValue 是否自动填写日期&时间
	 * @param hasTime          是否包含时间
	 */
	public VCIJCalendarPanel(boolean required, boolean giveDefaultValue, boolean hasDate, boolean hasTime) {
		this(required, giveDefaultValue, hasDate, hasTime, "");
	}

	public VCIJCalendarPanel(boolean required, boolean giveDefaultValue, boolean hasDate, boolean hasTime,
			String specFormat) {
		super();
		String format = "";
		if (hasDate && hasTime) {
			format = "yyyy-MM-dd HH:mm:ss";
		} else if (hasDate) {
			format = "yyyy-MM-dd";
		} else if (hasTime) {
			format = "HH:mm:ss";
		}
		if (specFormat != null && !"".equals(specFormat)) {
			format = specFormat;
		}
		setFormat(format);
		setRequired(required);
		setHasDate(hasDate);
		setHasTime(hasTime);
		if (required) {
			giveDefaultValue = true;
		}
		init();
		if (giveDefaultValue && isValidDateFormat(getFormat())) {
			SimpleDateFormat sdf = new SimpleDateFormat(getFormat());
			String dateString = sdf.format(Calendar.getInstance().getTime());
			setDateString(dateString);
		}
		cbxDate.addPropertyChangeListener(new PropertyChangeListener() {
			@Override
			public void propertyChange(PropertyChangeEvent evt) {
				firePropertyChange(evt.getPropertyName(), evt.getOldValue(), evt.getNewValue());
			}
		});
	}

	private void init() {
		initConmponents();
	}

	private void initConmponents() {
		setLayout(new GridBagLayout());
		GridBagConstraints c = new GridBagConstraints();
		c.gridx = 0;
		c.gridy = 0;
		c.gridheight = 1;
		c.gridwidth = 1;
		c.weightx = 1;
		c.weighty = 0;
		c.anchor = GridBagConstraints.NORTHWEST;
		c.fill = GridBagConstraints.BOTH;
		// cbxDate.setPreferredSize(new Dimension(100, 23));
		add(cbxDate, c);

		c.gridx = 1;
		c.gridheight = 1;
		c.gridwidth = 1;
		c.weightx = 0;
		c.weighty = 0;
		c.anchor = GridBagConstraints.EAST;
		c.fill = GridBagConstraints.BOTH;

		btnShowCalendar.setMinimumSize(new Dimension(27, 23));
		btnShowCalendar.setMaximumSize(new Dimension(27, 23));
		btnShowCalendar.setPreferredSize(new Dimension(27, 23));

		add(btnShowCalendar, c);
		btnShowCalendar.setToolTipText(getToolTipString());

		c.gridx = 2;
		c.gridheight = 1;
		c.gridwidth = 1;
		c.weightx = 0;
		c.weighty = 0;
		c.anchor = GridBagConstraints.EAST;
		c.fill = GridBagConstraints.BOTH;
		VCIJLabel lbl = new VCIJLabel("");// 为显示
		lbl.setMinimumSize(new Dimension(9, 23));
		lbl.setPreferredSize(new Dimension(9, 23));
		add(lbl, c);
	}

	private String getToolTipString() {
		return isHasTime() ? "点击选择日期及时间" : "点击选择日期";
	}

	/**
	 * 返回自定义日期格式字符串
	 * <p>
	 * Description:
	 * </p>
	 * 
	 * @author xchao
	 * @time 2012-11-21
	 * @return
	 */
	public String getFormat() {
		return format;
	}

	/**
	 * 设置 自定义日期格式字符串
	 * <p>
	 * Description:
	 * </p>
	 * 
	 * @author xchao
	 * @time 2012-11-21
	 * @param format
	 */
	public void setFormat(String format) {
		this.format = format;
		this.sf = new SimpleDateFormat(this.format);
	}

	/**
	 * 返回是否是必须的
	 * <p>
	 * Description:
	 * </p>
	 * 
	 * @author xchao
	 * @time 2012-11-21
	 * @return
	 */
	public boolean isRequired() {
		return required;
	}

	/**
	 * 设置是否是必须的
	 * <p>
	 * Description:
	 * </p>
	 * 
	 * @author xchao
	 * @time 2012-11-21
	 * @param required
	 */
	public void setRequired(boolean required) {
		this.required = required;
	}

	public boolean isHasDate() {
		return hasDate;
	}

	public void setHasDate(boolean hasDate) {
		this.hasDate = hasDate;
	}

	/**
	 * 返回是否包含时间
	 * <p>
	 * Description:
	 * </p>
	 * 
	 * @author xchao
	 * @time 2012-11-21
	 * @return
	 */
	public boolean isHasTime() {
		return hasTime;
	}

	/**
	 * 设置是否包含时间
	 * <p>
	 * Description:
	 * </p>
	 * 
	 * @author xchao
	 * @time 2012-11-21
	 * @param hasTime
	 */
	public void setHasTime(boolean hasTime) {
		this.hasTime = hasTime;
	}

	/**
	 * 返回日期&时间字符串
	 * <p>
	 * Description:
	 * </p>
	 * 
	 * @author xchao
	 * @time 2012-11-21
	 * @return
	 */
	public String getDateString() {
		String res = null;
		Object item = cbxDate.getSelectedItem();
		if (item != null) {
			res = item.toString().trim();
		}
		if ("".equals(res)) {
			res = null;
		}
		return res;
	}
	
	public Date getDate() {
		String res = null;
		Object item = cbxDate.getSelectedItem();
		if (item != null) {
			res = item.toString().trim();
		}
		if ("".equals(res)) {
			res = null;
		}
		
		try {
			Date dt = sf.parse(res);
			return dt;
		} catch (ParseException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		return null;
	}

	// add by caill start 2016.2.19 添加方法用来传递附加条件内容
	public void setItemStyleString(String itemStyleString) {
		itemStyle = itemStyleString;
	}

	// add by caill end
	
	public void setDate(Date date){
		cbxDate.removeAllItems();
		if(!isRequired()){
        	cbxDate.addItem(" ");
		}
		String itemobj = sf.format(date);
        cbxDate.addItem(itemobj);
        cbxDate.setSelectedItem(itemobj);
	}

	
	/**
	 * 设置日期格式字符串的值
	 * <p>
	 * Description:
	 * </p>
	 * 
	 * @author xchao
	 * @time 2012-11-21
	 * @param dateString
	 */
	public void setDateString(String dateString) {
		if (!isDateFormatString(dateString))
			return;
		String itemobj = dateString;
		cbxDate.removeAllItems();
		if (!isRequired()) {
			cbxDate.addItem(" ");
		}
		cbxDate.addItem(itemobj);
		cbxDate.setSelectedItem(itemobj);
	}

	private boolean isDateFormatString(String dateString) {
		boolean res = true;
		if (getFormat() != null) {
			if (isValidDateFormat(getFormat())) {
				SimpleDateFormat sdf = new SimpleDateFormat(getFormat());
				try {
					sdf.parse(dateString);
				} catch (ParseException e) {
					res = false;
				}
			} else {
				res = false;
			}
		}
		return res;
	}

	private boolean isValidDateFormat(String format) {
		boolean res = true;
		try {
			new SimpleDateFormat(getFormat());
		} catch (Exception e) {
			res = false;
		}
		return res;
	}

	@Override
	public void paint(Graphics g) {
		super.paint(g);
		if (isRequired()) {
			drawRequiredFlag(g);
		}
	}

	private void drawRequiredFlag(Graphics g) {
		int x = getWidth() - 9;
		int y = 1;
		g.setColor(Color.RED);
		g.fillArc(x, y, 7, 7, 0, 360);
//		int x = getWidth() - 10;
//		int y = 10;
//		g.setColor(Color.RED);
//		g.drawString("*", x, y);
	}

	@Override
	public void setEnabled(boolean enabled) {
		super.setEnabled(enabled);
		cbxDate.setEnabled(enabled);
		if (enabled) {
			cbxDate.setBackground(Color.WHITE);
		}
		btnShowCalendar.setEnabled(enabled);
	}

	public void popupCaneldar() {
		btnShowCalendar.doClick();
	}

	public void actionPerformed(ActionEvent e) {
		if (e.getActionCommand().equals("ShowDateCalendar")) {
			new PopupCalendarPanel(cbxDate, isHasDate(), isHasTime(), isRequired(), itemStyle).show();// add by caill
																										// 2016.2.19增加了ietemStyle参数用来传递附加属性的内容
		}
	}

	/**
	 * 将日期清空
	 * <p>
	 * Description:
	 * </p>
	 * 
	 * @author ligang
	 * @time 2013-3-5
	 * @param dateString
	 */
	public void setDateString() {
		cbxDate.removeAllItems();
		cbxDate.addItem(" ");
	}

	public static final String DATE_TIME_VALUE = "DateTimeValue";
}