SnippetDecimalTextRidget001.java

/*******************************************************************************
 * Copyright (c) 2007, 2014 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 org.eclipse.core.databinding.DataBindingContext;
import org.eclipse.core.databinding.UpdateValueStrategy;
import org.eclipse.core.databinding.beans.BeansObservables;
import org.eclipse.jface.layout.GridDataFactory;
import org.eclipse.jface.layout.GridLayoutFactory;
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.IDecimalTextRidget;
import org.eclipse.riena.ui.ridgets.ITextRidget;
import org.eclipse.riena.ui.ridgets.swt.SwtRidgetFactory;
import org.eclipse.riena.ui.swt.lnf.LnfKeyConstants;
import org.eclipse.riena.ui.swt.lnf.LnfManager;
import org.eclipse.riena.ui.swt.utils.UIControlsFactory;

/**
 * Demonstrates how to use a {@link IDecimalTextRidget}.
 */
public final class SnippetDecimalTextRidget001 {

	public static void main(final String[] args) {
		final Display display = Display.getDefault();
		try {
			final Shell shell = new Shell();
			shell.setBackground(LnfManager.getLnf().getColor(LnfKeyConstants.SUB_MODULE_BACKGROUND));
			GridLayoutFactory.fillDefaults().numColumns(2).margins(10, 10).spacing(20, 10).applyTo(shell);

			UIControlsFactory.createLabel(shell, "###,###,###.0000:"); //$NON-NLS-1$
			final Text txtInput = UIControlsFactory.createTextDecimal(shell);
			GridDataFactory.fillDefaults().grab(true, false).applyTo(txtInput);

			UIControlsFactory.createLabel(shell, "Output:"); //$NON-NLS-1$
			final Text txtOutput = UIControlsFactory.createText(shell);
			GridDataFactory.fillDefaults().grab(true, false).applyTo(txtOutput);

			final IDecimalTextRidget rInput = (IDecimalTextRidget) SwtRidgetFactory.createRidget(txtInput);
			rInput.setMaxLength(9);
			rInput.setPrecision(4);
			rInput.setDirectWriting(true);

			final ITextRidget rOutput = (ITextRidget) SwtRidgetFactory.createRidget(txtOutput);
			rOutput.setOutputOnly(true);

			final DataBindingContext dbc = new DataBindingContext();
			dbc.bindValue(BeansObservables.observeValue(rOutput, ITextRidget.PROPERTY_TEXT), BeansObservables
					.observeValue(rInput, ITextRidget.PROPERTY_TEXT), new UpdateValueStrategy(
					UpdateValueStrategy.POLICY_NEVER), new UpdateValueStrategy(UpdateValueStrategy.POLICY_UPDATE));
			rInput.bindToModel(new TypedBean<Double>(1234.56), TypedBean.PROP_VALUE);
			rInput.updateFromModel();

			shell.setSize(300, 200);
			shell.open();
			while (!shell.isDisposed()) {
				if (!display.readAndDispatch()) {
					display.sleep();
				}
			}
		} finally {
			display.dispose();
		}
	}

}