org.eclipse.riena.sample.snippets.SnippetDateTimeRidget001.java Source code

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Here is the source code for org.eclipse.riena.sample.snippets.SnippetDateTimeRidget001.java

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/*******************************************************************************
 * Copyright (c) 2007, 2013 compeople AG and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *    compeople AG - initial API and implementation
 *******************************************************************************/
package org.eclipse.riena.sample.snippets;

import java.util.Date;

import org.eclipse.core.databinding.DataBindingContext;
import org.eclipse.core.databinding.UpdateValueStrategy;
import org.eclipse.core.databinding.beans.BeansObservables;
import org.eclipse.jface.databinding.swt.WidgetProperties;
import org.eclipse.jface.layout.GridDataFactory;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.DateTime;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;

import org.eclipse.riena.beans.common.TypedBean;
import org.eclipse.riena.ui.ridgets.IActionListener;
import org.eclipse.riena.ui.ridgets.IActionRidget;
import org.eclipse.riena.ui.ridgets.IDateTimeRidget;
import org.eclipse.riena.ui.ridgets.swt.DefaultRealm;
import org.eclipse.riena.ui.ridgets.swt.SwtRidgetFactory;
import org.eclipse.riena.ui.swt.utils.UIControlsFactory;

/**
 * Bind a java.util.Date to IDateTimeRidgets.
 */
public final class SnippetDateTimeRidget001 {

    private SnippetDateTimeRidget001() {
        // "utility class"
    }

    public static void main(final String[] args) {
        final Display display = new Display();
        new DefaultRealm();
        final Shell shell = UIControlsFactory.createShell(display);
        shell.setLayout(new GridLayout(2, false));

        final TypedBean<Date> value = new TypedBean<Date>(new Date());

        final GridDataFactory fill = GridDataFactory.fillDefaults();

        UIControlsFactory.createLabel(shell, "Value:"); //$NON-NLS-1$
        final Text txtValue = UIControlsFactory.createText(shell, SWT.READ_ONLY);
        txtValue.setEnabled(false);
        fill.applyTo(txtValue);

        UIControlsFactory.createLabel(shell, "Date:"); //$NON-NLS-1$
        final DateTime dtDate = UIControlsFactory.createDate(shell, SWT.MEDIUM);
        fill.applyTo(dtDate);
        final IDateTimeRidget dtDateRidget = (IDateTimeRidget) SwtRidgetFactory.createRidget(dtDate);
        dtDateRidget.bindToModel(value, TypedBean.PROP_VALUE);
        dtDateRidget.updateFromModel();

        UIControlsFactory.createLabel(shell, "Time:"); //$NON-NLS-1$
        final DateTime dtTime = UIControlsFactory.createTime(shell, SWT.MEDIUM);
        fill.applyTo(dtTime);
        final IDateTimeRidget dtTimeRidget = (IDateTimeRidget) SwtRidgetFactory.createRidget(dtTime);
        dtTimeRidget.bindToModel(value, TypedBean.PROP_VALUE);
        dtTimeRidget.updateFromModel();

        final Button btnSync = UIControlsFactory.createButton(shell);
        btnSync.setText("Sync"); //$NON-NLS-1$
        GridDataFactory.fillDefaults().span(2, 1).applyTo(btnSync);
        final IActionRidget btnSyncRidget = (IActionRidget) SwtRidgetFactory.createRidget(btnSync);
        btnSyncRidget.addListener(new IActionListener() {
            private long days = 0;

            public void callback() {
                days++;
                final long millis = System.currentTimeMillis() + (days * 24 * 3600 * 1000);
                value.setValue(new Date(millis));
                dtDateRidget.updateFromModel();
                dtTimeRidget.updateFromModel();
            }
        });

        final DataBindingContext dbc = new DataBindingContext();
        dbc.bindValue(WidgetProperties.text().observe(txtValue),
                BeansObservables.observeValue(value, TypedBean.PROP_VALUE), null,
                new UpdateValueStrategy(UpdateValueStrategy.POLICY_UPDATE));

        shell.pack();
        shell.open();
        while (!shell.isDisposed()) {
            if (!display.readAndDispatch()) {
                display.sleep();
            }
        }
        display.dispose();
    }
}