RCP日期控件

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1、版面调用

text_17 = new Text(composite_2, SWT.BORDER );

FormData fd_text_17 = new FormData();
fd_text_17.top = new FormAttachment(combo_4,0,SWT.TOP);
fd_text_17.bottom = new FormAttachment(combo_4,0,SWT.BOTTOM);
fd_text_17.left = new FormAttachment(label_23, 2);
fd_text_17.right = new FormAttachment(label_23, 146,SWT.RIGHT);
text_17.setLayoutData(fd_text_17);
//text_17.setEnabled(false);
text_17.addMouseListener(new MouseAdapter(){

@Override
public void mouseUp(MouseEvent e) {
// TODO Auto-generated method stub
super.mouseUp(e);
OpenDateToText.getDateToText(e, shell);
}

});

2、公共代码

public class OpenDateToText {

public static void getDateToText(MouseEvent e,Shell shell){
Text bt = (Text) e.widget;
Point er = bt.getLocation();
DateDialog dl = new DateDialog(shell);
int x = er.x+20;
int y = er.y+177; //定位
dl.open(x,y,bt.getText());
bt.setText(dl.selectedDate);
}

}

3、日期控件代码

public class DateDialog extends Dialog implements MouseListener {

private static String ID = "com.ss.sfm.util.DateDialog";

private Display display = null;

private Date nowDate = null; // current date

public String selectedDate = ""; // selected date

public Shell shell = null;

public Shell parent = null;

private GridLayout gridLayout = null;

private GridData gridData = null;

private CLabel sunday = null;

private CLabel monday = null;

private CLabel tuesday = null;

private CLabel wednesday = null;

private CLabel thursday = null;

private CLabel friday = null;

private CLabel saturday = null;

private Button yearUp = null;

private Button yearNext = null;

private Button monthUp = null;

private Button monthNext = null;

private CLabel nowLabel = null;

private CLabel[] days = new CLabel[42];

private boolean hasChanged = false;

public DateDialog(Shell parent, int style) {
super(parent, style);
}

public DateDialog(Shell parent) {
this(parent, 0);
}

private int getLastDayOfMonth(int year, int month) {
if (month == 1 || month == 3 || month == 5 || month == 7 || month == 8
|| month == 10 || month == 12) {
return 31;
}
if (month == 4 || month == 6 || month == 9 || month == 11) {
return 30;
}
if (month == 2) {
if (isLeapYear(year)) {
return 29;
} else {
return 28;
}
}
return 0;
}

public boolean isLeapYear(int year) {
return (year % 4 == 0 && year % 100 != 0) || (year % 400 == 0);
}

private void moveTo(int type, int value) {
Calendar now = Calendar.getInstance(); // get current Calendar object
now.setTime(nowDate); // set current date
now.add(type, value); // add to spec time.
nowDate = new Date(now.getTimeInMillis()); // result
SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM");// format
// date
nowLabel.setText(formatter.format(nowDate)); // set to label
setDayForDisplay(now,"");
}

private void setDayForDisplay(Calendar now,String sDate){
int currentDay =now.get(Calendar.DATE);

//System.out.println("currentDay="+currentDay);

if(!DealStrNull.judgeStrNull(sDate)){
if(sDate.length()>10){

}else if(sDate.length()==10){
currentDay = Integer.parseInt(sDate.substring(8,sDate.length()));
}else if(sDate.length()==9){
currentDay = Integer.parseInt(sDate.substring(8,sDate.length()));
}
}
//System.out.println("currentDay==="+currentDay);

now.add(Calendar.DAY_OF_MONTH, -(now.get(Calendar.DATE) - 1)); //
int startIndex = now.get(Calendar.DAY_OF_WEEK) - 1; //
int year = now.get(Calendar.YEAR); //
int month = now.get(Calendar.MONTH) + 1; //
int lastDay = this.getLastDayOfMonth(year, month); //
int endIndex = startIndex + lastDay - 1; //
int startday = 1;
for (int i = 0; i < 42; i++) {
Color temp = days[i].getBackground();
if (temp.equals(display.getSystemColor(SWT.COLOR_BLUE))) {
days[i].setBackground(display.getSystemColor(SWT.COLOR_WHITE));
}
}

for (int i = 0; i < 42; i++) {
if (i >= startIndex && i <= endIndex){
days[i].setText("" + startday);
if (startday == currentDay) {
days[i].setBackground(display.getSystemColor(SWT.COLOR_BLUE)); //
}
startday++;
} else {
days[i].setText("");
}
}
}

public void previousYear() {
moveTo(Calendar.YEAR, -1);
}

public void nextYear() {
moveTo(Calendar.YEAR, 1);
}

public void nextMonth() {
moveTo(Calendar.MONTH, 1);
}

public void previousMonth() {
moveTo(Calendar.MONTH, -1);
}

public void mouseDoubleClick(MouseEvent e) {
}

public void mouseDown(MouseEvent e) {

CLabel day = (CLabel) e.getSource();

if (!day.getText().equals("")) {
String str = day.getText().length()==2?day.getText():"0"+day.getText();
this.selectedDate = nowLabel.getText() + "-"+str;
// System.out.println("日期====="+this.selectedDate);
this.shell.close();
}
hasChanged = true;
}

public void mouseUp(MouseEvent e) {
}

public void open(int x, int y,String date) {

parent = getParent();
display = Display.getDefault();
shell = new Shell(parent,SWT.TITLE|SWT.RESIZE);
shell.setBounds(x, y, 230, 220);

hasChanged = false;

gridLayout = new GridLayout();
gridLayout.numColumns = 7;
shell.setLayout(gridLayout);

gridData = new GridData(GridData.FILL_HORIZONTAL);
yearUp = new Button(shell, SWT.PUSH | SWT.FLAT);
yearUp.setText("<");
gridData.widthHint = 30;
gridData.heightHint = 24;
yearUp.setLayoutData(gridData);
yearUp.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
previousYear();
}
});

gridData = new GridData(GridData.FILL_HORIZONTAL);
monthUp = new Button(shell, SWT.PUSH | SWT.FLAT);
monthUp.setText("<<");
gridData.widthHint = 30;
gridData.heightHint = 24;
monthUp.setLayoutData(gridData);
monthUp.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
previousMonth();
}
});

nowLabel = new CLabel(shell, SWT.CENTER | SWT.SHADOW_OUT);
gridData = new GridData(GridData.FILL_HORIZONTAL);
gridData.horizontalSpan = 3;
gridData.widthHint = 90;
gridData.heightHint = 24;
nowLabel.setLayoutData(gridData);

gridData = new GridData(GridData.FILL_HORIZONTAL);
monthNext = new Button(shell, SWT.PUSH | SWT.FLAT);
monthNext.setText(">>");
gridData.widthHint = 30;
gridData.heightHint = 24;
monthNext.setLayoutData(gridData);
monthNext.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
nextMonth();
}
});

gridData = new GridData(GridData.FILL_HORIZONTAL);
yearNext = new Button(shell, SWT.PUSH | SWT.FLAT);
yearNext.setText(">");
gridData.widthHint = 32;
gridData.heightHint = 24;
yearNext.setLayoutData(gridData);
yearNext.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
nextYear();
}
});

sunday = new CLabel(shell, SWT.CENTER | SWT.SHADOW_OUT);
gridData = new GridData(GridData.FILL_HORIZONTAL
| GridData.FILL_VERTICAL);
gridData.widthHint = 20;
gridData.heightHint = 24;
sunday.setLayoutData(gridData);
sunday.setText("Su");

monday = new CLabel(shell, SWT.CENTER | SWT.SHADOW_OUT);
gridData = new GridData(GridData.FILL_HORIZONTAL
| GridData.FILL_VERTICAL);
gridData.widthHint = 20;
gridData.heightHint = 24;
monday.setLayoutData(gridData);
monday.setText("M");

tuesday = new CLabel(shell, SWT.CENTER | SWT.SHADOW_OUT);
gridData = new GridData(GridData.FILL_HORIZONTAL
| GridData.FILL_VERTICAL);
gridData.widthHint = 20;
gridData.heightHint = 24;
tuesday.setLayoutData(gridData);
tuesday.setText("Tu");

wednesday = new CLabel(shell, SWT.CENTER | SWT.SHADOW_OUT);
gridData = new GridData(GridData.FILL_HORIZONTAL
| GridData.FILL_VERTICAL);
gridData.widthHint = 20;
gridData.heightHint = 24;
wednesday.setLayoutData(gridData);
wednesday.setText("W");

thursday = new CLabel(shell, SWT.CENTER | SWT.SHADOW_OUT);
gridData = new GridData(GridData.FILL_HORIZONTAL
| GridData.FILL_VERTICAL);
gridData.widthHint = 20;
gridData.heightHint = 24;
thursday.setLayoutData(gridData);
thursday.setText("Th");

friday = new CLabel(shell, SWT.CENTER | SWT.SHADOW_OUT);
gridData = new GridData(GridData.FILL_HORIZONTAL
| GridData.FILL_VERTICAL);
gridData.widthHint = 20;
gridData.heightHint = 24;
friday.setLayoutData(gridData);
friday.setText("F");

saturday = new CLabel(shell, SWT.CENTER | SWT.SHADOW_OUT);
gridData = new GridData(GridData.FILL_HORIZONTAL
| GridData.FILL_VERTICAL);
gridData.widthHint = 20;
gridData.heightHint = 24;
saturday.setLayoutData(gridData);
saturday.setText("Sa");

for (int i = 0; i < 42; i++) {
days[i] = new CLabel(shell, SWT.FLAT | SWT.CENTER);
gridData = new GridData(GridData.FILL_HORIZONTAL
| GridData.FILL_VERTICAL);
days[i].setLayoutData(gridData);
days[i].setBackground(display.getSystemColor(SWT.COLOR_WHITE));
days[i].addMouseListener(this);
}

SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM");
if(DealStrNull.judgeStrNull(date)){
nowLabel.setText(formatter.format(new Date()));

Calendar now = Calendar.getInstance(); //
    nowDate = new Date(now.getTimeInMillis());
    setDayForDisplay(now,"");
}else{
nowLabel.setText(formatter.format(java.sql.Date.valueOf(date)));

SimpleDateFormat sdf= new SimpleDateFormat("yyyy-MM-dd");

Date date2 = null;
try {
date2 = sdf.parse(date);
} catch (ParseException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
Calendar calendar = Calendar.getInstance();
calendar.setTime(date2);

nowDate = new Date(calendar.getTimeInMillis());
    setDayForDisplay(calendar,"");
}
   shell.open();
   disposed();
}

public void disposed(){

Display display = parent.getDisplay();
while (!shell.isDisposed()) {
if (!display.readAndDispatch()){
display.sleep();
}
}
}

public boolean isChanged() {
return hasChanged;
}

public String getDateText() {
return selectedDate.toString();
}

public static void main(String[] args) {
DateDialog dl = new DateDialog(new Shell());
dl.open(80, 90,"2016-10-19");
System.out.println("finish==="+dl.selectedDate);
}
}

//WT.BORDER //建立一个有边框但没有标题栏的窗口
//SWT.CLOSE //建立一个只有关闭按钮的窗口
//SWT.MIN //建立一个不能最大化的窗口
//SWT.MAX, //建立一个可以最大化最小化的窗口
//SWT.NO_TRIM //建立一个没有任何边界和标题栏的窗口
//SWT.RESIZE //建立一个可以改变大小的窗口
//SWT.TITLE //建立一个没有标题栏图标，没有关闭按钮的窗口
//SWT.ON_TOP //建立一个总是在上的窗口，注意：此属性最好与CLOSE、MIN、MAX一起使用。
//SWT.TOOL //建立一个类似工具栏的窗口
//SWT.APPLICATION_MODAL //建立一个APPLICATION模态窗口
//SWT.MODELESS //建立一个非模态窗口
//SWT.PRIMARY_MODAL //建立一个PRIMARY模态窗口
//SWT.SYSTEM_MODAL //建立一个SYSTEM模态窗口还有两个快捷属性来建立窗口
//SHELL_TRIM //建立一个标准模式的窗口，相当于属性设置为CLOSE | TITLE | MIN | MAX | RESIZE
//DIALOG_TRIM //建立一个对话框模式的窗口，相当于属性设置为TITLE | CLOSE | BORDER