Attachment 23709 Details for Bug 19945 – A Date picker widget

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A Date picker widget

DatePicker.java (text/plain), 10.87 KB, created by Bahadir Yagan

on 2005-06-22 04:50:56 EDT

(hide)

Description:

Filename:

MIME Type:

Creator: Bahadir Yagan

Created: 2005-06-22 04:50:56 EDT

Size: 10.87 KB

patch

obsolete

>
>
>import java.text.DateFormatSymbols;
>import java.util.Calendar;
>import java.util.GregorianCalendar;
>import org.eclipse.swt.events.ModifyEvent;
>import org.eclipse.swt.events.ModifyListener;
>import org.eclipse.swt.events.MouseEvent;
>import org.eclipse.swt.events.MouseListener;
>import org.eclipse.swt.events.SelectionEvent;
>import org.eclipse.swt.events.SelectionListener;
>import org.eclipse.swt.graphics.Point;
>import org.eclipse.swt.widgets.Combo;
>import org.eclipse.swt.widgets.Composite;
>import org.eclipse.swt.widgets.Display;
>import org.eclipse.swt.widgets.Label;
>import org.eclipse.swt.widgets.Shell;
>import org.eclipse.swt.widgets.Spinner;
>import org.eclipse.swt.widgets.Text;
>import org.eclipse.swt.SWT;
>import org.eclipse.swt.widgets.Button;
>import org.eclipse.swt.layout.FillLayout;
>import org.eclipse.swt.layout.GridLayout;
>import org.eclipse.swt.layout.GridData;
>
>public class DatePicker extends Composite {
>
>	private Text dateText = null;
>
>	private Button pickButton = null;
>
>	private Calendar date = null;
>
>	private Shell pickerShell = null;
>
>	private DatePickerPanel datePickerPanel = null;
>
>	public DatePicker(Composite parent, int style) {
>		super(parent, style);
>		initialize();
>	}
>
>	private void initialize() {
>		GridData gridData1 = new org.eclipse.swt.layout.GridData();
>		gridData1.horizontalAlignment = org.eclipse.swt.layout.GridData.FILL;
>		gridData1.grabExcessHorizontalSpace = true;
>		gridData1.verticalAlignment = org.eclipse.swt.layout.GridData.FILL;
>		GridData gridData = new org.eclipse.swt.layout.GridData();
>		gridData.horizontalAlignment = org.eclipse.swt.layout.GridData.END;
>		gridData.verticalAlignment = org.eclipse.swt.layout.GridData.FILL;
>		GridLayout gridLayout = new GridLayout();
>		gridLayout.numColumns = 2;
>		gridLayout.horizontalSpacing = 2;
>		gridLayout.verticalSpacing = 2;
>		gridLayout.marginWidth = 0;
>		gridLayout.marginHeight = 2;
>		gridLayout.makeColumnsEqualWidth = false;
>		this.setLayout(gridLayout);
>		setSize(new org.eclipse.swt.graphics.Point(103, 28));
>		dateText = new Text(this, SWT.BORDER | SWT.READ_ONLY);
>		dateText.setBackground(Display.getCurrent().getSystemColor(
>				SWT.COLOR_WHITE));
>		dateText.setLayoutData(gridData1);
>		pickButton = new Button(this, SWT.ARROW | SWT.DOWN);
>		pickButton.setLayoutData(gridData);
>		pickButton.addSelectionListener(new SelectionListener() {
>
>			public void widgetSelected(SelectionEvent arg0) {
>				Point p1 = ((Button)arg0.getSource()).getShell().getLocation();
>				Point p2 = ((Button)arg0.getSource()).getParent().getLocation();
>				//System.out.println("x: " + p2.x + " y: " + p2.y);
>				showDatePicker(p1.x + p2.x, p1.y + p2.y);
>				updateDateText();
>			}
>
>			public void widgetDefaultSelected(SelectionEvent arg0) {
>				// TODO Auto-generated method stub
>
>			}
>
>		});
>	}
>
>	public Calendar getDate() {
>		return date;
>	}
>
>	public void setDate(Calendar date) {
>		this.date = date;
>	}
>
>	private void showDatePicker(int x, int y) {
>		Display display = Display.getCurrent();
>		pickerShell = new Shell(SWT.APPLICATION_MODAL | SWT.ON_TOP);
>		pickerShell.setText("Shell");
>		pickerShell.setLayout(new FillLayout());
>		datePickerPanel = new DatePickerPanel(pickerShell, SWT.NONE);
>		if (date == null) {
>			date = new GregorianCalendar();
>		}
>		datePickerPanel.setDate(date);
>		pickerShell.setSize(new Point(225, 180));
>		pickerShell.setLocation(new Point(x, y));
>		pickerShell.open();
>
>		while (!pickerShell.isDisposed()) {
>			if (!display.readAndDispatch())
>				display.sleep();
>		}
>		this.date = datePickerPanel.getDate();
>		pickerShell.dispose();
>	}
>
>	private void updateDateText() {
>		dateText.setText(date.get(Calendar.DAY_OF_MONTH) + "/"
>				+ date.get(Calendar.MONTH) + "/" + date.get(Calendar.YEAR));
>	}
>} // @jve:decl-index=0:visual-constraint="10,10"
>
>class DatePickerPanel extends Composite {
>
>	private Combo monthCombo = null;
>
>	private Spinner yearSpinner = null;
>
>	private Composite headerComposite = null;
>
>	private Composite calendarComposite = null;
>
>	private Calendar date = null;
>
>	private DateFormatSymbols dateFormatSymbols = null;
>
>	private Label[] calendarLabels = null;
>
>	public DatePickerPanel(Composite parent, int style) {
>		super(parent, style);
>		initialize();
>		updateCalendar();
>	}
>
>	private void initialize() {
>		date = new GregorianCalendar();
>		dateFormatSymbols = new DateFormatSymbols();
>		calendarLabels = new Label[42];
>		GridLayout gridLayout = new GridLayout();
>		gridLayout.numColumns = 2;
>		gridLayout.horizontalSpacing = 3;
>		gridLayout.verticalSpacing = 3;
>		this.setLayout(gridLayout);
>		setSize(new org.eclipse.swt.graphics.Point(277, 200));
>		createCombo();
>		createYearSpinner();
>		createComposite();
>		createComposite1();
>		createCalendarData();
>	}
>
>	/**
>	 * This method initializes combo
>	 * 
>	 */
>	private void createCombo() {
>		monthCombo = new Combo(this, SWT.READ_ONLY);
>		monthCombo.setItems(dateFormatSymbols.getMonths());
>		monthCombo.remove(12);
>		monthCombo.select(date.get(Calendar.MONTH));
>		monthCombo.setVisibleItemCount(12);
>		monthCombo.addModifyListener(new ModifyListener() {
>
>			public void modifyText(ModifyEvent arg0) {
>				date.set(Calendar.MONTH, monthCombo.getSelectionIndex());
>				updateCalendar();
>			}
>
>		});
>	}
>
>	private void createYearSpinner() {
>		GridData gridData1 = new org.eclipse.swt.layout.GridData();
>		gridData1.horizontalAlignment = org.eclipse.swt.layout.GridData.BEGINNING;
>		gridData1.grabExcessVerticalSpace = false;
>		gridData1.grabExcessHorizontalSpace = false;
>		gridData1.heightHint = -1;
>		gridData1.verticalAlignment = org.eclipse.swt.layout.GridData.CENTER;
>		yearSpinner = new Spinner(this, SWT.BORDER | SWT.READ_ONLY);
>		yearSpinner.setMinimum(1900);
>		yearSpinner.setBackground(Display.getDefault().getSystemColor(
>				SWT.COLOR_WHITE));
>		yearSpinner.setDigits(0);
>		yearSpinner.setMaximum(3000);
>		yearSpinner.setLayoutData(gridData1);
>		yearSpinner.setSelection(date.get(Calendar.YEAR));
>		yearSpinner.addModifyListener(new ModifyListener() {
>
>			public void modifyText(ModifyEvent arg0) {
>				date.set(Calendar.YEAR, yearSpinner.getSelection());
>				updateCalendar();
>			}
>
>		});
>	}
>
>	/**
>	 * This method initializes composite
>	 * 
>	 */
>	private void createComposite() {
>		String[] weekDays = dateFormatSymbols.getWeekdays();
>		GridLayout gridLayout1 = new GridLayout();
>		gridLayout1.numColumns = 7;
>		gridLayout1.makeColumnsEqualWidth = true;
>		GridData gridData = new org.eclipse.swt.layout.GridData();
>		gridData.horizontalAlignment = org.eclipse.swt.layout.GridData.FILL;
>		gridData.grabExcessHorizontalSpace = true;
>		gridData.grabExcessVerticalSpace = false;
>		gridData.horizontalSpan = 2;
>		gridData.verticalAlignment = org.eclipse.swt.layout.GridData.CENTER;
>		headerComposite = new Composite(this, SWT.NONE);
>		headerComposite.setLayoutData(gridData);
>		headerComposite.setLayout(gridLayout1);
>		GridData labelGridData = new org.eclipse.swt.layout.GridData();
>		labelGridData.horizontalAlignment = org.eclipse.swt.layout.GridData.FILL;
>		labelGridData.grabExcessHorizontalSpace = true;
>		labelGridData.verticalAlignment = org.eclipse.swt.layout.GridData.CENTER;
>		for (int i = 1; i < 8; ++i) {
>			Label headerLabel = new Label(headerComposite, SWT.CENTER);
>			headerLabel.setText(weekDays[i].substring(0, 3));
>			headerLabel.setLayoutData(labelGridData);
>		}
>	}
>
>	/**
>	 * This method initializes composite1
>	 * 
>	 */
>	private void createComposite1() {
>		GridLayout gridLayout2 = new GridLayout();
>		gridLayout2.numColumns = 7;
>		gridLayout2.makeColumnsEqualWidth = true;
>		GridData gridData1 = new org.eclipse.swt.layout.GridData();
>		gridData1.horizontalSpan = 2;
>		gridData1.horizontalAlignment = org.eclipse.swt.layout.GridData.FILL;
>		gridData1.verticalAlignment = org.eclipse.swt.layout.GridData.FILL;
>		gridData1.grabExcessVerticalSpace = true;
>		gridData1.grabExcessHorizontalSpace = true;
>		calendarComposite = new Composite(this, SWT.BORDER);
>		calendarComposite.setBackground(Display.getDefault().getSystemColor(
>				SWT.COLOR_WHITE));
>		calendarComposite.setLayout(gridLayout2);
>		calendarComposite.setLayoutData(gridData1);
>	}
>
>	private void createCalendarData() {
>		GridData gridData = new org.eclipse.swt.layout.GridData();
>		gridData.horizontalAlignment = org.eclipse.swt.layout.GridData.FILL;
>		gridData.grabExcessHorizontalSpace = true;
>		gridData.verticalAlignment = org.eclipse.swt.layout.GridData.CENTER;
>		for (int i = 0; i < 42; ++i) {
>			Label headerLabel = new Label(calendarComposite, SWT.CENTER);
>			headerLabel.setText("99");
>			headerLabel.setLayoutData(gridData);
>			calendarLabels[i] = headerLabel;
>			headerLabel.addMouseListener(new MouseListener() {
>
>				public void mouseDoubleClick(MouseEvent arg0) {
>					// TODO Auto-generated method stub
>
>				}
>
>				public void mouseDown(MouseEvent arg0) {
>					unSellectAll();
>					Label label = (Label) arg0.getSource();
>					if (!label.getText().equals("")) {
>						label.setBackground(Display.getDefault()
>								.getSystemColor(SWT.COLOR_LIST_SELECTION));
>						label.setForeground(Display.getDefault()
>								.getSystemColor(SWT.COLOR_WHITE));
>					}
>				}
>
>				public void mouseUp(MouseEvent arg0) {
>					Label label = (Label) arg0.getSource();
>					if (!label.getText().equals("")) {
>						date.set(Calendar.YEAR, yearSpinner.getSelection());
>						date
>								.set(Calendar.MONTH, monthCombo
>										.getSelectionIndex());
>						date.set(Calendar.DAY_OF_MONTH, Integer.parseInt(label
>								.getText()));
>						DatePickerPanel.this.getShell().close();
>					}
>				}
>
>			});
>		}
>	}
>
>	private void updateCalendar() {
>		unSellectAll();
>		// Fill Labels
>		Calendar cal = new GregorianCalendar(date.get(Calendar.YEAR), date
>				.get(Calendar.MONTH), 1);
>		int dayofWeek = cal.get(Calendar.DAY_OF_WEEK) - 1;
>
>		for (int i = 0; i < dayofWeek; ++i) {
>			calendarLabels[i].setText("");
>		}
>
>		for (int i = 1; i <= cal.getActualMaximum(Calendar.DAY_OF_MONTH); ++i) {
>			calendarLabels[i + dayofWeek - 1].setText("" + i);
>		}
>
>		for (int i = cal.getActualMaximum(Calendar.DAY_OF_MONTH) + dayofWeek; i < 42; ++i) {
>			calendarLabels[i].setText("");
>		}
>
>		calendarLabels[date.get(Calendar.DAY_OF_MONTH) + dayofWeek]
>				.setBackground(Display.getDefault().getSystemColor(
>						SWT.COLOR_LIST_SELECTION));
>		calendarLabels[date.get(Calendar.DAY_OF_MONTH) + dayofWeek]
>				.setForeground(Display.getDefault().getSystemColor(
>						SWT.COLOR_WHITE));
>
>	}
>
>	private void unSellectAll() {
>		for (int i = 0; i < 42; ++i) {
>			calendarLabels[i].setForeground(Display.getDefault()
>					.getSystemColor(SWT.COLOR_BLACK));
>			calendarLabels[i].setBackground(Display.getCurrent()
>					.getSystemColor(SWT.COLOR_WHITE));
>		}
>	}
>
>	public Calendar getDate() {
>		return date;
>	}
>
>	public void setDate(Calendar date) {
>		this.date = date;
>		updateCalendar();
>	}
>
>} // @jve:decl-index=0:visual-constraint="10,10"

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Attachments on bug 19945: 1362 | 1363 | 19151 | 23709 | 24129 | 26397