bundles/addons/org.eclipse.apogy.addons.sensors.imaging.camera/src/org/eclipse/apogy/addons/sensors/imaging/camera/composites/AbstractTextOverlayComposite.java - gerrit/apogy/apogy - Git at Google

 /*******************************************************************************
  * Copyright (c) 2018 Agence spatiale canadienne / Canadian Space Agency
  * 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:
  *     Pierre Allard - initial API and implementation
  *     Regent L'Archeveque
  *
  * SPDX-License-Identifier: EPL-1.0
  *******************************************************************************/
 package org.eclipse.apogy.addons.sensors.imaging.camera.composites;

 import java.awt.GraphicsEnvironment;
 import java.util.ArrayList;
 import java.util.List;

 import org.eclipse.apogy.addons.sensors.imaging.camera.AbstractTextOverlay;
 import org.eclipse.apogy.addons.sensors.imaging.camera.ApogyAddonsSensorsImagingCameraPackage;
 import org.eclipse.apogy.addons.sensors.imaging.camera.OverlayAlignment;
 import org.eclipse.apogy.common.emf.transaction.ApogyCommonTransactionFacade;
 import org.eclipse.apogy.common.ui.composites.Color3fComposite;
 import org.eclipse.core.databinding.DataBindingContext;
 import org.eclipse.core.databinding.UpdateValueStrategy;
 import org.eclipse.core.databinding.observable.value.IObservableValue;
 import org.eclipse.emf.common.notify.AdapterFactory;
 import org.eclipse.emf.databinding.FeaturePath;
 import org.eclipse.emf.databinding.edit.EMFEditProperties;
 import org.eclipse.emf.edit.provider.ComposedAdapterFactory;
 import org.eclipse.emf.edit.ui.provider.AdapterFactoryLabelProvider;
 import org.eclipse.jface.databinding.swt.WidgetProperties;
 import org.eclipse.jface.databinding.viewers.ViewerProperties;
 import org.eclipse.jface.viewers.ArrayContentProvider;
 import org.eclipse.jface.viewers.ComboViewer;
 import org.eclipse.jface.viewers.ISelection;
 import org.eclipse.jface.viewers.ISelectionChangedListener;
 import org.eclipse.jface.viewers.IStructuredSelection;
 import org.eclipse.jface.viewers.SelectionChangedEvent;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.events.DisposeEvent;
 import org.eclipse.swt.events.DisposeListener;
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.layout.GridLayout;
 import org.eclipse.swt.widgets.Combo;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Group;
 import org.eclipse.swt.widgets.Label;
 import org.eclipse.swt.widgets.Spinner;

 public class AbstractTextOverlayComposite extends Composite {
 	public static final String PREVIEW_TEXT = "Test 1.234";
 	public static final int PREVIEW_IMG_WIDTH = 1200;
 	public static final int PREVIEW_IMG_HEIGHT = 400;

 	private final AdapterFactory adapterFactory = new ComposedAdapterFactory(
 			ComposedAdapterFactory.Descriptor.Registry.INSTANCE);

 	private AbstractTextOverlay abstractTextOverlay;

 	private final ComboViewer fontComboViewer;
 	private final Combo fontCombo;
 	private final Spinner fontSizeSpinner;
 	private final Color3fComposite fontColorComposite;

 	private final ComboViewer overlayAlignmentComboViewer;
 	private final Combo overlayAlignmentCombo;
 	private final Spinner horizontalOffsetSpinner;
 	private final Spinner verticalOffsetSpinner;

 	private DataBindingContext m_bindingContext;

 	public AbstractTextOverlayComposite(Composite parent, int style) {
 		super(parent, style);
 		setLayout(new GridLayout(2, false));

 		// Alignment
 		Group grpPositionOffsets = new Group(this, SWT.NONE);
 		grpPositionOffsets.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 1, 1));
 		grpPositionOffsets.setText("Position");
 		grpPositionOffsets.setLayout(new GridLayout(4, false));

 		Label lblAlignment = new Label(grpPositionOffsets, SWT.NONE);
 		lblAlignment.setText("Overlay Alignment :");

 		this.overlayAlignmentComboViewer = new ComboViewer(grpPositionOffsets, SWT.NONE);
 		this.overlayAlignmentCombo = this.overlayAlignmentComboViewer.getCombo();
 		GridData gd_overlayAlignmentCombo = new GridData(SWT.LEFT, SWT.CENTER, true, false, 3, 1);
 		gd_overlayAlignmentCombo.widthHint = 250;
 		gd_overlayAlignmentCombo.minimumWidth = 250;
 		this.overlayAlignmentCombo.setLayoutData(gd_overlayAlignmentCombo);
 		this.overlayAlignmentComboViewer.setContentProvider(new ArrayContentProvider());
 		this.overlayAlignmentComboViewer.setLabelProvider(new AdapterFactoryLabelProvider(this.adapterFactory));
 		this.overlayAlignmentComboViewer.setInput(OverlayAlignment.values());

 		Label lblHorizontalOffset = new Label(grpPositionOffsets, SWT.NONE);
 		lblHorizontalOffset.setText("Horizontal Offset:");

 		this.horizontalOffsetSpinner = new Spinner(grpPositionOffsets, SWT.BORDER);
 		GridData gd_horizontalOffsetSpinner = new GridData(SWT.LEFT, SWT.CENTER, false, false, 1, 1);
 		gd_horizontalOffsetSpinner.widthHint = 50;
 		gd_horizontalOffsetSpinner.minimumWidth = 50;
 		this.horizontalOffsetSpinner.setLayoutData(gd_horizontalOffsetSpinner);

 		Label lblVerticalOffset = new Label(grpPositionOffsets, SWT.NONE);
 		lblVerticalOffset.setText("Vertical Offset:");

 		this.verticalOffsetSpinner = new Spinner(grpPositionOffsets, SWT.BORDER);
 		GridData gd_verticalOffsetSpinner = new GridData(SWT.LEFT, SWT.CENTER, false, false, 1, 1);
 		gd_verticalOffsetSpinner.minimumWidth = 50;
 		gd_verticalOffsetSpinner.widthHint = 50;
 		this.verticalOffsetSpinner.setLayoutData(gd_verticalOffsetSpinner);

 		// Font
 		Group grpFontSettings = new Group(this, SWT.NONE);
 		grpFontSettings.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false, 1, 1));
 		grpFontSettings.setText("Font Settings");
 		grpFontSettings.setLayout(new GridLayout(4, false));

 		Label lblFont = new Label(grpFontSettings, SWT.NONE);
 		lblFont.setLayoutData(new GridData(SWT.RIGHT, SWT.CENTER, false, false, 1, 1));
 		lblFont.setText("Font:");

 		this.fontComboViewer = new ComboViewer(grpFontSettings, SWT.NONE);
 		this.fontCombo = this.fontComboViewer.getCombo();
 		GridData gd_fontCombo = new GridData(SWT.FILL, SWT.CENTER, true, false, 3, 1);
 		gd_fontCombo.widthHint = 250;
 		gd_fontCombo.minimumWidth = 250;
 		this.fontCombo.setLayoutData(gd_fontCombo);
 		this.fontComboViewer.setContentProvider(ArrayContentProvider.getInstance());
 		this.fontComboViewer.setInput(getAvailableFonts());
 		this.fontComboViewer.addSelectionChangedListener(new ISelectionChangedListener() {

 			@Override
 			public void selectionChanged(SelectionChangedEvent event) {
 				if (event.getSelection().isEmpty()) {
 				} else if (event.getSelection() instanceof IStructuredSelection) {
 					IStructuredSelection iStructuredSelection = (IStructuredSelection) event.getSelection();
 					if (iStructuredSelection.getFirstElement() instanceof String) {
 						String fontName = (String) iStructuredSelection.getFirstElement();
 						if (AbstractTextOverlayComposite.this.abstractTextOverlay != null) {
 							if (ApogyCommonTransactionFacade.INSTANCE
 									.getTransactionalEditingDomain(getAbstractTextOverlay()) == null) {
 								ApogyCommonTransactionFacade.INSTANCE
 										.addInTempTransactionalEditingDomain(getAbstractTextOverlay());
 							}

 							ApogyCommonTransactionFacade.INSTANCE.basicSet(getAbstractTextOverlay(),
 									ApogyAddonsSensorsImagingCameraPackage.Literals.ABSTRACT_TEXT_OVERLAY__FONT_NAME,
 									fontName);
 						}
 					} else {
 					}
 				}

 				newSelection(event.getSelection());
 			}
 		});

 		Label lblFontSize = new Label(grpFontSettings, SWT.NONE);
 		lblFontSize.setText("Font Size:");

 		this.fontSizeSpinner = new Spinner(grpFontSettings, SWT.BORDER);
 		GridData gd_fontSizeSpinner = new GridData(SWT.LEFT, SWT.CENTER, false, false, 1, 1);
 		gd_fontSizeSpinner.minimumWidth = 50;
 		gd_fontSizeSpinner.widthHint = 50;
 		this.fontSizeSpinner.setLayoutData(gd_fontSizeSpinner);

 		Label lblTextColor = new Label(grpFontSettings, SWT.NONE);
 		lblTextColor.setLayoutData(new GridData(SWT.RIGHT, SWT.CENTER, false, false, 1, 1));
 		lblTextColor.setText("Text Color:");

 		this.fontColorComposite = new Color3fComposite(grpFontSettings, SWT.NONE);
 		this.fontColorComposite
 				.setFeature(ApogyAddonsSensorsImagingCameraPackage.Literals.ABSTRACT_TEXT_OVERLAY__TEXT_COLOR);

 		// Dispose
 		addDisposeListener(new DisposeListener() {
 			@Override
 			public void widgetDisposed(DisposeEvent e) {
 				if (AbstractTextOverlayComposite.this.m_bindingContext != null)
 					AbstractTextOverlayComposite.this.m_bindingContext.dispose();

 			}
 		});
 	}

 	public AbstractTextOverlay getAbstractTextOverlay() {
 		return this.abstractTextOverlay;
 	}

 	public void setAbstractTextOverlay(AbstractTextOverlay abstractTextOverlay) {
 		if (this.m_bindingContext != null) {
 			this.m_bindingContext.dispose();
 		}

 		this.abstractTextOverlay = abstractTextOverlay;

 		if (abstractTextOverlay != null) {
 			this.m_bindingContext = customInitDataBindings();
 		}
 	}

 	protected void newSelection(ISelection selection) {
 	}

 	@SuppressWarnings("unchecked")
 	protected DataBindingContext customInitDataBindings() {
 		DataBindingContext bindingContext = new DataBindingContext();

 		// Initialize font color.
 		this.fontColorComposite.setOwner(getAbstractTextOverlay());

 		// Initialize font name

 		IObservableValue<Double> observeFontName = EMFEditProperties
 				.value(ApogyCommonTransactionFacade.INSTANCE.getTransactionalEditingDomain(this.abstractTextOverlay),
 						FeaturePath.fromList(
 								ApogyAddonsSensorsImagingCameraPackage.Literals.ABSTRACT_TEXT_OVERLAY__FONT_NAME))
 				.observe(this.abstractTextOverlay);
 		IObservableValue<?> observeFontComboViewer = WidgetProperties.selection()
 				.observe(this.fontComboViewer.getCombo());

 		bindingContext.bindValue(observeFontComboViewer, observeFontName, new UpdateValueStrategy(),
 				new UpdateValueStrategy());

 		/* Font size Value. */
 		IObservableValue<Double> observeFontSize = EMFEditProperties
 				.value(ApogyCommonTransactionFacade.INSTANCE.getTransactionalEditingDomain(this.abstractTextOverlay),
 						FeaturePath.fromList(
 								ApogyAddonsSensorsImagingCameraPackage.Literals.ABSTRACT_TEXT_OVERLAY__FONT_SIZE))
 				.observe(this.abstractTextOverlay);
 		IObservableValue<String> observeFontSizeSpinner = WidgetProperties.selection().observe(this.fontSizeSpinner);

 		bindingContext.bindValue(observeFontSizeSpinner, observeFontSize, new UpdateValueStrategy(),
 				new UpdateValueStrategy());

 		/* Alignment. */
 		IObservableValue<Double> observeAlignment = EMFEditProperties
 				.value(ApogyCommonTransactionFacade.INSTANCE.getTransactionalEditingDomain(this.abstractTextOverlay),
 						FeaturePath.fromList(
 								ApogyAddonsSensorsImagingCameraPackage.Literals.CAMERA_OVERLAY__OVERLAY_ALIGNMENT))
 				.observe(this.abstractTextOverlay);

 		IObservableValue<?> observeAlignmentCombViewer = ViewerProperties.singleSelection()
 				.observe(this.overlayAlignmentComboViewer);
 		bindingContext.bindValue(observeAlignmentCombViewer, observeAlignment, new UpdateValueStrategy(),
 				new UpdateValueStrategy());

 		/* Horizontal Offset Value. */
 		IObservableValue<Double> observeHorizontalOffset = EMFEditProperties.value(
 				ApogyCommonTransactionFacade.INSTANCE.getTransactionalEditingDomain(this.abstractTextOverlay),
 				FeaturePath.fromList(
 						ApogyAddonsSensorsImagingCameraPackage.Literals.ABSTRACT_TEXT_OVERLAY__HORIZONTAL_OFFSET))
 				.observe(this.abstractTextOverlay);
 		IObservableValue<String> observeHorizontalOffsetSpinner = WidgetProperties.selection()
 				.observe(this.horizontalOffsetSpinner);

 		bindingContext.bindValue(observeHorizontalOffsetSpinner, observeHorizontalOffset, new UpdateValueStrategy(),
 				new UpdateValueStrategy());

 		/* Vertical Offset Value. */
 		IObservableValue<Double> observeVerticalOffset = EMFEditProperties
 				.value(ApogyCommonTransactionFacade.INSTANCE.getTransactionalEditingDomain(this.abstractTextOverlay),
 						FeaturePath.fromList(
 								ApogyAddonsSensorsImagingCameraPackage.Literals.ABSTRACT_TEXT_OVERLAY__VERTICAL_OFFSET))
 				.observe(this.abstractTextOverlay);
 		IObservableValue<String> observeVerticalOffsetSpinner = WidgetProperties.selection()
 				.observe(this.verticalOffsetSpinner);

 		bindingContext.bindValue(observeVerticalOffsetSpinner, observeVerticalOffset, new UpdateValueStrategy(),
 				new UpdateValueStrategy());

 		return bindingContext;
 	}

 	protected List<String> getAvailableFonts() {
 		List<String> fonts = new ArrayList<String>();

 		String[] fontNames = GraphicsEnvironment.getLocalGraphicsEnvironment().getAvailableFontFamilyNames();
 		for (int i = 0; i < fontNames.length; i++) {
 			fonts.add(fontNames[i]);
 		}

 		return fonts;
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2018 Agence spatiale canadienne / Canadian Space Agency
	* 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:
	* Pierre Allard - initial API and implementation
	* Regent L'Archeveque
	*
	* SPDX-License-Identifier: EPL-1.0
	*******************************************************************************/
	package org.eclipse.apogy.addons.sensors.imaging.camera.composites;

	import java.awt.GraphicsEnvironment;
	import java.util.ArrayList;
	import java.util.List;

	import org.eclipse.apogy.addons.sensors.imaging.camera.AbstractTextOverlay;
	import org.eclipse.apogy.addons.sensors.imaging.camera.ApogyAddonsSensorsImagingCameraPackage;
	import org.eclipse.apogy.addons.sensors.imaging.camera.OverlayAlignment;
	import org.eclipse.apogy.common.emf.transaction.ApogyCommonTransactionFacade;
	import org.eclipse.apogy.common.ui.composites.Color3fComposite;
	import org.eclipse.core.databinding.DataBindingContext;
	import org.eclipse.core.databinding.UpdateValueStrategy;
	import org.eclipse.core.databinding.observable.value.IObservableValue;
	import org.eclipse.emf.common.notify.AdapterFactory;
	import org.eclipse.emf.databinding.FeaturePath;
	import org.eclipse.emf.databinding.edit.EMFEditProperties;
	import org.eclipse.emf.edit.provider.ComposedAdapterFactory;
	import org.eclipse.emf.edit.ui.provider.AdapterFactoryLabelProvider;
	import org.eclipse.jface.databinding.swt.WidgetProperties;
	import org.eclipse.jface.databinding.viewers.ViewerProperties;
	import org.eclipse.jface.viewers.ArrayContentProvider;
	import org.eclipse.jface.viewers.ComboViewer;
	import org.eclipse.jface.viewers.ISelection;
	import org.eclipse.jface.viewers.ISelectionChangedListener;
	import org.eclipse.jface.viewers.IStructuredSelection;
	import org.eclipse.jface.viewers.SelectionChangedEvent;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.events.DisposeEvent;
	import org.eclipse.swt.events.DisposeListener;
	import org.eclipse.swt.layout.GridData;
	import org.eclipse.swt.layout.GridLayout;
	import org.eclipse.swt.widgets.Combo;
	import org.eclipse.swt.widgets.Composite;
	import org.eclipse.swt.widgets.Group;
	import org.eclipse.swt.widgets.Label;
	import org.eclipse.swt.widgets.Spinner;

	public class AbstractTextOverlayComposite extends Composite {
	public static final String PREVIEW_TEXT = "Test 1.234";
	public static final int PREVIEW_IMG_WIDTH = 1200;
	public static final int PREVIEW_IMG_HEIGHT = 400;

	private final AdapterFactory adapterFactory = new ComposedAdapterFactory(
	ComposedAdapterFactory.Descriptor.Registry.INSTANCE);

	private AbstractTextOverlay abstractTextOverlay;

	private final ComboViewer fontComboViewer;
	private final Combo fontCombo;
	private final Spinner fontSizeSpinner;
	private final Color3fComposite fontColorComposite;

	private final ComboViewer overlayAlignmentComboViewer;
	private final Combo overlayAlignmentCombo;
	private final Spinner horizontalOffsetSpinner;
	private final Spinner verticalOffsetSpinner;

	private DataBindingContext m_bindingContext;

	public AbstractTextOverlayComposite(Composite parent, int style) {
	super(parent, style);
	setLayout(new GridLayout(2, false));

	// Alignment
	Group grpPositionOffsets = new Group(this, SWT.NONE);
	grpPositionOffsets.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 1, 1));
	grpPositionOffsets.setText("Position");
	grpPositionOffsets.setLayout(new GridLayout(4, false));

	Label lblAlignment = new Label(grpPositionOffsets, SWT.NONE);
	lblAlignment.setText("Overlay Alignment :");

	this.overlayAlignmentComboViewer = new ComboViewer(grpPositionOffsets, SWT.NONE);
	this.overlayAlignmentCombo = this.overlayAlignmentComboViewer.getCombo();
	GridData gd_overlayAlignmentCombo = new GridData(SWT.LEFT, SWT.CENTER, true, false, 3, 1);
	gd_overlayAlignmentCombo.widthHint = 250;
	gd_overlayAlignmentCombo.minimumWidth = 250;
	this.overlayAlignmentCombo.setLayoutData(gd_overlayAlignmentCombo);
	this.overlayAlignmentComboViewer.setContentProvider(new ArrayContentProvider());
	this.overlayAlignmentComboViewer.setLabelProvider(new AdapterFactoryLabelProvider(this.adapterFactory));
	this.overlayAlignmentComboViewer.setInput(OverlayAlignment.values());

	Label lblHorizontalOffset = new Label(grpPositionOffsets, SWT.NONE);
	lblHorizontalOffset.setText("Horizontal Offset:");

	this.horizontalOffsetSpinner = new Spinner(grpPositionOffsets, SWT.BORDER);
	GridData gd_horizontalOffsetSpinner = new GridData(SWT.LEFT, SWT.CENTER, false, false, 1, 1);
	gd_horizontalOffsetSpinner.widthHint = 50;
	gd_horizontalOffsetSpinner.minimumWidth = 50;
	this.horizontalOffsetSpinner.setLayoutData(gd_horizontalOffsetSpinner);

	Label lblVerticalOffset = new Label(grpPositionOffsets, SWT.NONE);
	lblVerticalOffset.setText("Vertical Offset:");

	this.verticalOffsetSpinner = new Spinner(grpPositionOffsets, SWT.BORDER);
	GridData gd_verticalOffsetSpinner = new GridData(SWT.LEFT, SWT.CENTER, false, false, 1, 1);
	gd_verticalOffsetSpinner.minimumWidth = 50;
	gd_verticalOffsetSpinner.widthHint = 50;
	this.verticalOffsetSpinner.setLayoutData(gd_verticalOffsetSpinner);

	// Font
	Group grpFontSettings = new Group(this, SWT.NONE);
	grpFontSettings.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false, 1, 1));
	grpFontSettings.setText("Font Settings");
	grpFontSettings.setLayout(new GridLayout(4, false));

	Label lblFont = new Label(grpFontSettings, SWT.NONE);
	lblFont.setLayoutData(new GridData(SWT.RIGHT, SWT.CENTER, false, false, 1, 1));
	lblFont.setText("Font:");

	this.fontComboViewer = new ComboViewer(grpFontSettings, SWT.NONE);
	this.fontCombo = this.fontComboViewer.getCombo();
	GridData gd_fontCombo = new GridData(SWT.FILL, SWT.CENTER, true, false, 3, 1);
	gd_fontCombo.widthHint = 250;
	gd_fontCombo.minimumWidth = 250;
	this.fontCombo.setLayoutData(gd_fontCombo);
	this.fontComboViewer.setContentProvider(ArrayContentProvider.getInstance());
	this.fontComboViewer.setInput(getAvailableFonts());
	this.fontComboViewer.addSelectionChangedListener(new ISelectionChangedListener() {

	@Override
	public void selectionChanged(SelectionChangedEvent event) {
	if (event.getSelection().isEmpty()) {
	} else if (event.getSelection() instanceof IStructuredSelection) {
	IStructuredSelection iStructuredSelection = (IStructuredSelection) event.getSelection();
	if (iStructuredSelection.getFirstElement() instanceof String) {
	String fontName = (String) iStructuredSelection.getFirstElement();
	if (AbstractTextOverlayComposite.this.abstractTextOverlay != null) {
	if (ApogyCommonTransactionFacade.INSTANCE
	.getTransactionalEditingDomain(getAbstractTextOverlay()) == null) {
	ApogyCommonTransactionFacade.INSTANCE
	.addInTempTransactionalEditingDomain(getAbstractTextOverlay());
	}

	ApogyCommonTransactionFacade.INSTANCE.basicSet(getAbstractTextOverlay(),
	ApogyAddonsSensorsImagingCameraPackage.Literals.ABSTRACT_TEXT_OVERLAY__FONT_NAME,
	fontName);
	}
	} else {
	}
	}

	newSelection(event.getSelection());
	}
	});

	Label lblFontSize = new Label(grpFontSettings, SWT.NONE);
	lblFontSize.setText("Font Size:");

	this.fontSizeSpinner = new Spinner(grpFontSettings, SWT.BORDER);
	GridData gd_fontSizeSpinner = new GridData(SWT.LEFT, SWT.CENTER, false, false, 1, 1);
	gd_fontSizeSpinner.minimumWidth = 50;
	gd_fontSizeSpinner.widthHint = 50;
	this.fontSizeSpinner.setLayoutData(gd_fontSizeSpinner);

	Label lblTextColor = new Label(grpFontSettings, SWT.NONE);
	lblTextColor.setLayoutData(new GridData(SWT.RIGHT, SWT.CENTER, false, false, 1, 1));
	lblTextColor.setText("Text Color:");

	this.fontColorComposite = new Color3fComposite(grpFontSettings, SWT.NONE);
	this.fontColorComposite
	.setFeature(ApogyAddonsSensorsImagingCameraPackage.Literals.ABSTRACT_TEXT_OVERLAY__TEXT_COLOR);

	// Dispose
	addDisposeListener(new DisposeListener() {
	@Override
	public void widgetDisposed(DisposeEvent e) {
	if (AbstractTextOverlayComposite.this.m_bindingContext != null)
	AbstractTextOverlayComposite.this.m_bindingContext.dispose();

	}
	});
	}

	public AbstractTextOverlay getAbstractTextOverlay() {
	return this.abstractTextOverlay;
	}

	public void setAbstractTextOverlay(AbstractTextOverlay abstractTextOverlay) {
	if (this.m_bindingContext != null) {
	this.m_bindingContext.dispose();
	}

	this.abstractTextOverlay = abstractTextOverlay;

	if (abstractTextOverlay != null) {
	this.m_bindingContext = customInitDataBindings();
	}
	}

	protected void newSelection(ISelection selection) {
	}

	@SuppressWarnings("unchecked")
	protected DataBindingContext customInitDataBindings() {
	DataBindingContext bindingContext = new DataBindingContext();

	// Initialize font color.
	this.fontColorComposite.setOwner(getAbstractTextOverlay());

	// Initialize font name

	IObservableValue<Double> observeFontName = EMFEditProperties
	.value(ApogyCommonTransactionFacade.INSTANCE.getTransactionalEditingDomain(this.abstractTextOverlay),
	FeaturePath.fromList(
	ApogyAddonsSensorsImagingCameraPackage.Literals.ABSTRACT_TEXT_OVERLAY__FONT_NAME))
	.observe(this.abstractTextOverlay);
	IObservableValue<?> observeFontComboViewer = WidgetProperties.selection()
	.observe(this.fontComboViewer.getCombo());

	bindingContext.bindValue(observeFontComboViewer, observeFontName, new UpdateValueStrategy(),
	new UpdateValueStrategy());

	/* Font size Value. */
	IObservableValue<Double> observeFontSize = EMFEditProperties
	.value(ApogyCommonTransactionFacade.INSTANCE.getTransactionalEditingDomain(this.abstractTextOverlay),
	FeaturePath.fromList(
	ApogyAddonsSensorsImagingCameraPackage.Literals.ABSTRACT_TEXT_OVERLAY__FONT_SIZE))
	.observe(this.abstractTextOverlay);
	IObservableValue<String> observeFontSizeSpinner = WidgetProperties.selection().observe(this.fontSizeSpinner);

	bindingContext.bindValue(observeFontSizeSpinner, observeFontSize, new UpdateValueStrategy(),
	new UpdateValueStrategy());

	/* Alignment. */
	IObservableValue<Double> observeAlignment = EMFEditProperties
	.value(ApogyCommonTransactionFacade.INSTANCE.getTransactionalEditingDomain(this.abstractTextOverlay),
	FeaturePath.fromList(
	ApogyAddonsSensorsImagingCameraPackage.Literals.CAMERA_OVERLAY__OVERLAY_ALIGNMENT))
	.observe(this.abstractTextOverlay);

	IObservableValue<?> observeAlignmentCombViewer = ViewerProperties.singleSelection()
	.observe(this.overlayAlignmentComboViewer);
	bindingContext.bindValue(observeAlignmentCombViewer, observeAlignment, new UpdateValueStrategy(),
	new UpdateValueStrategy());

	/* Horizontal Offset Value. */
	IObservableValue<Double> observeHorizontalOffset = EMFEditProperties.value(
	ApogyCommonTransactionFacade.INSTANCE.getTransactionalEditingDomain(this.abstractTextOverlay),
	FeaturePath.fromList(
	ApogyAddonsSensorsImagingCameraPackage.Literals.ABSTRACT_TEXT_OVERLAY__HORIZONTAL_OFFSET))
	.observe(this.abstractTextOverlay);
	IObservableValue<String> observeHorizontalOffsetSpinner = WidgetProperties.selection()
	.observe(this.horizontalOffsetSpinner);

	bindingContext.bindValue(observeHorizontalOffsetSpinner, observeHorizontalOffset, new UpdateValueStrategy(),
	new UpdateValueStrategy());

	/* Vertical Offset Value. */
	IObservableValue<Double> observeVerticalOffset = EMFEditProperties
	.value(ApogyCommonTransactionFacade.INSTANCE.getTransactionalEditingDomain(this.abstractTextOverlay),
	FeaturePath.fromList(
	ApogyAddonsSensorsImagingCameraPackage.Literals.ABSTRACT_TEXT_OVERLAY__VERTICAL_OFFSET))
	.observe(this.abstractTextOverlay);
	IObservableValue<String> observeVerticalOffsetSpinner = WidgetProperties.selection()
	.observe(this.verticalOffsetSpinner);

	bindingContext.bindValue(observeVerticalOffsetSpinner, observeVerticalOffset, new UpdateValueStrategy(),
	new UpdateValueStrategy());

	return bindingContext;
	}

	protected List<String> getAvailableFonts() {
	List<String> fonts = new ArrayList<String>();

	String[] fontNames = GraphicsEnvironment.getLocalGraphicsEnvironment().getAvailableFontFamilyNames();
	for (int i = 0; i < fontNames.length; i++) {
	fonts.add(fontNames[i]);
	}

	return fonts;
	}
	}