org.eclipse.emf.ecp.edit.internal.swt.controls.EEnumControl.java Source code

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Here is the source code for org.eclipse.emf.ecp.edit.internal.swt.controls.EEnumControl.java

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/*******************************************************************************
 * Copyright (c) 2011-2013 EclipseSource Muenchen GmbH 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:
 * Eugen Neufeld - initial API and implementation
 *
 *******************************************************************************/
package org.eclipse.emf.ecp.edit.internal.swt.controls;

import org.eclipse.core.databinding.Binding;
import org.eclipse.core.databinding.observable.value.IObservableValue;
import org.eclipse.emf.ecore.EStructuralFeature.Setting;
import org.eclipse.emf.edit.provider.IItemLabelProvider;
import org.eclipse.emfforms.spi.localization.LocalizationServiceHelper;
import org.eclipse.jface.databinding.swt.WidgetProperties;
import org.eclipse.jface.databinding.viewers.ViewersObservables;
import org.eclipse.jface.viewers.ArrayContentProvider;
import org.eclipse.jface.viewers.ComboViewer;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;

/**
 * This class defines a Control which is used for displaying {@link org.eclipse.emf.ecore.EStructuralFeature
 * EStructuralFeature}s which have a enum
 * value.
 *
 * @author Eugen Neufeld
 *
 */
@Deprecated
public class EEnumControl extends SingleControl {

    private ComboViewer combo;

    @Override
    protected void fillControlComposite(Composite composite) {
        final Setting firstSetting = getFirstSetting();
        final IItemLabelProvider labelProvider = getItemPropertyDescriptor(firstSetting).getLabelProvider(null);

        combo = new ComboViewer(composite);
        combo.setContentProvider(new ArrayContentProvider());
        combo.setLabelProvider(new LabelProvider() {

            @Override
            public String getText(Object element) {
                return labelProvider.getText(element);
            }

        });
        combo.setInput(firstSetting.getEStructuralFeature().getEType().getInstanceClass().getEnumConstants());
        combo.setData(CUSTOM_VARIANT, "org_eclipse_emf_ecp_control_enum"); //$NON-NLS-1$
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void setEditable(boolean isEditable) {
        combo.getControl().setEnabled(isEditable);
    }

    @Override
    public Binding bindValue() {
        final IObservableValue target = ViewersObservables.observeSingleSelection(combo);
        final Binding bindValue = getDataBindingContext().bindValue(target, getModelValue());
        getDataBindingContext().bindValue(WidgetProperties.tooltipText().observe(combo.getControl()),
                getModelValue());
        return bindValue;
    }

    /*
     * (non-Javadoc)
     * @see org.eclipse.emf.ecp.edit.internal.swt.controls.SingleControl#getUnsetLabelText()
     */
    @Override
    protected String getUnsetLabelText() {
        return LocalizationServiceHelper.getString(getClass(),
                DepricatedControlMessageKeys.EEnumControl_NoValueSetClickToSetValue);
    }

    /*
     * (non-Javadoc)
     * @see org.eclipse.emf.ecp.edit.internal.swt.controls.SingleControl#getUnsetButtonTooltip()
     */
    @Override
    protected String getUnsetButtonTooltip() {
        return LocalizationServiceHelper.getString(getClass(),
                DepricatedControlMessageKeys.EEnumControl_UnsetValue);
    }

    /*
     * (non-Javadoc)
     * @see org.eclipse.emf.ecp.edit.internal.swt.util.SWTControl#getControlForTooltip()
     */
    @Override
    protected Control[] getControlsForTooltip() {
        // return new Control[] { combo.getControl() };
        return new Control[0];
    }

    /**
     * {@inheritDoc}
     *
     * @see org.eclipse.emf.ecp.edit.internal.swt.controls.SingleControl#updateValidationColor(org.eclipse.swt.graphics.Color)
     */
    @Override
    protected void updateValidationColor(Color color) {
        combo.getControl().setBackground(color);
    }

}