格式化输入日期时间控件 JieFormattedDateBox

王朝java/jsp·作者佚名  2006-01-31
窄屏简体版  字體: |||超大  

格式化输入日期时间控件

可以用

JieFormattedDateBox box = new JieFormattedDateBox("yyyy年MM月dd日HH点mm分ss秒");

输入

也可以用

JieFormattedDateBox box = new JieFormattedDateBox("HH:mm:ss");

来输入时间

还可以这样用

JSpinner spinner = new JSpinner();

JieFormattedDateBox fdb = new JieFormattedDateBox(format);

spinner.setModel(fdb);

spinner.setEditor(fdb);

/////////////////////////////////////////////////

package org.jie.ui.formattedbox;

import java.sql.Timestamp;

import java.text.SimpleDateFormat;

import java.awt.event.FocusEvent;

import java.awt.event.FocusListener;

import javax.swing.JFormattedTextField;

import javax.swing.SpinnerModel;

import javax.swing.SwingConstants;

import javax.swing.SwingUtilities;

import javax.swing.event.ChangeListener;

import javax.swing.event.DocumentEvent;

import javax.swing.event.DocumentListener;

import javax.swing.text.DefaultFormatterFactory;

import javax.swing.text.MaskFormatter;

public class JieFormattedDateBox extends JFormattedTextField implements SpinnerModel{

private String format;

private SimpleDateFormat timeFormat;

private Timestamp time;

public void setTime(Timestamp time){

if(time != null)

setValue(time);

}

public Timestamp getTime(){

return time;

}

public static String replace(String src,String replaceSrc,String replaceWith){

if(src == null) return null;

StringBuffer sb = new StringBuffer();

int start = 0;

int end = src.indexOf(replaceSrc);

while(end >= 0){

sb.append(src.substring(start,end));

start = end+replaceSrc.length();

end = src.indexOf(replaceSrc,start);

sb.append(replaceWith);

}

sb.append(src.substring(start));

return sb.toString();

}

public JieFormattedDateBox(String format){

super();

this.format = format;

timeFormat = new SimpleDateFormat(format);

time = new Timestamp(System.currentTimeMillis());

try{

String mask = format;

for(int i=0;i<alais.length;i++){

mask = replace(mask,alais[i],formats[i]);

}

MaskFormatter mf = new MaskFormatter(mask);

mf.setPlaceholderCharacter('_');

setFormatterFactory(new DefaultFormatterFactory(mf));

}catch(Exception e){

e.printStackTrace();

}

setText(timeFormat.format(time));

this.getDocument().addDocumentListener(new DocumentListener(){

public void insertUpdate(DocumentEvent e){

checkTime();

}

public void removeUpdate(DocumentEvent e){

checkTime();

}

public void changedUpdate(DocumentEvent e){}

});

this.setHorizontalAlignment(SwingConstants.RIGHT);

this.addFocusListener(new FocusListener(){

public void focusGained(FocusEvent e){}

public void focusLost(FocusEvent e){

setValue(time);

}

});

}

void checkTime(){

try{

String text = getText();

if(text == null || text.equals(""))

return;

time = new Timestamp(timeFormat.parse(text).getTime());

}catch(Exception ex){

try{

SwingUtilities.invokeLater(new Runnable() {

public void run() {

setValue(time);

}

});

}catch(Exception e){}

}

}

public Object getValue(){

return this.getText();

}

public void setValue(Object value){

time = (Timestamp)value;

int index = this.getCaretPosition();

if(time == null){

this.setText("");

}else

this.setText(timeFormat.format(time));

this.setCaretPosition(index);//keep Caret Position

}

public Object getNextValue(){

return new Timestamp(time.getTime()+getIncrease(this.getCaretPosition(),format,time));

}

public Object getPreviousValue(){

return new Timestamp(time.getTime()-getDecrease(this.getCaretPosition(),format,time));

}

public void addChangeListener(ChangeListener l){}

public void removeChangeListener(ChangeListener l){}

static String[] alais = {"yyyy","MM","dd","HH","hh","mm","ss"};

static String[] formats = {"####","##","##","##","##","##","##"};

static long[] times = {0,0,86400000,3600000,3600000,60000,1000};

public static final SimpleDateFormat fullTimeFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");

public static long getDecrease(int caret,String format,Timestamp time){

if(testAlias(format,caret,0)){

try{

String timeStr = (Integer.parseInt(new SimpleDateFormat("yyyy").format(time)) - 1)

+ "-" + new SimpleDateFormat("MM-dd HH:mm:ss").format(time);

return time.getTime() - fullTimeFormat.parse(timeStr).getTime();

}catch(Exception e){

return 1000;

}

}

else if(testAlias(format,caret,1)){

try{

SimpleDateFormat ym = new SimpleDateFormat("yyyy-MM");

long thisMonth = ym.parse(ym.format(time)).getTime();

long lastMonth = ym.parse(ym.format(new Timestamp(thisMonth-2*times[2]))).getTime();

int days = (int)((thisMonth-lastMonth)/times[2]);

int thisDays = Integer.parseInt(new SimpleDateFormat("dd").format(time));

return (thisMonth-lastMonth)+(((thisDays > days)?(thisDays-days):0)*times[2]);

}catch(Exception e){

return 1000;

}

}

for(int i=2;i<alais.length;i++){

if(testAlias(format,caret,i)){

return times[i];

}

}

return 1000;

}

public static long getIncrease(int caret,String format,Timestamp time){

if(testAlias(format,caret,0)){

try{

String timeStr = (Integer.parseInt(new SimpleDateFormat("yyyy").format(time)) + 1)

+ "-" + new SimpleDateFormat("MM-dd HH:mm:ss").format(time);

return fullTimeFormat.parse(timeStr).getTime() - time.getTime();

}catch(Exception e){

return 1000;

}

}

else if(testAlias(format,caret,1)){

try{

SimpleDateFormat ym = new SimpleDateFormat("yyyy-MM");

long thisMonth = ym.parse(ym.format(time)).getTime();

long nextMonth = ym.parse(ym.format(new Timestamp(thisMonth+31*times[2]))).getTime();

long nextNextMonth = ym.parse(ym.format(new Timestamp(nextMonth+31*times[2]))).getTime();

int days = (int)((nextNextMonth-nextMonth)/times[2]);

int thisDays = Integer.parseInt(new SimpleDateFormat("dd").format(time));

return (nextMonth-thisMonth)-(((thisDays > days)?(thisDays-days):0)*times[2]);

}catch(Exception e){

return 1000;

}

}

for(int i=2;i<alais.length;i++){

if(testAlias(format,caret,i)){

return times[i];

}

}

return 1000;

}

private static boolean testAlias(String format,int caret,int index){

for(int i=format.indexOf(alais[index]);i>=0;i=format.indexOf(alais[index],i+1)){

if(caret >= i && caret <= i+alais[index].length())

return true;

}

return false;

}

}

 
 
 
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