CreateAttributModifikatorDialog.java

/**
 * 
 */
package de.urszeidler.shr5.ecp.dialogs;

import org.eclipse.core.databinding.Binding;
import org.eclipse.core.databinding.UpdateValueStrategy;
import org.eclipse.core.databinding.observable.value.IObservableValue;
import org.eclipse.emf.common.notify.Adapter;
import org.eclipse.emf.databinding.EMFDataBindingContext;
import org.eclipse.emf.databinding.EMFObservables;
import org.eclipse.emf.databinding.EMFUpdateValueStrategy;
import org.eclipse.emf.ecore.EAttribute;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EReference;
import org.eclipse.emf.edit.provider.IItemPropertyDescriptor;
import org.eclipse.emf.edit.provider.IItemPropertySource;
import org.eclipse.emf.edit.provider.ItemProviderAdapter;
import org.eclipse.jface.databinding.swt.ISWTObservableValue;
import org.eclipse.jface.databinding.swt.SWTObservables;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;

import de.urszeidler.eclipse.shr5.AttributModifikatorWert;
import de.urszeidler.eclipse.shr5.Modifizierbar;
import de.urszeidler.eclipse.shr5.Modifyable;
import de.urszeidler.eclipse.shr5.Shr5Package;
import de.urszeidler.eclipse.shr5.util.AdapterFactoryUtil;
import de.urszeidler.emf.commons.ui.binding.BindingToolkit;
import de.urszeidler.emf.commons.ui.binding.PlainBindingToolkit;
import de.urszeidler.emf.commons.ui.dialogs.OwnChooseDialog;
import de.urszeidler.emf.commons.ui.dialogs.SimpleEObjectDialog;
import de.urszeidler.emf.commons.ui.util.NullObject;
import de.urszeidler.emf.commons.ui.util.converter.ReferenceToStringConverter;
import de.urszeidler.shr5.ecp.editor.widgets.AttributModifikatorWertWidget;

/**
 * @author urs
 */
public class CreateAttributModifikatorDialog extends SimpleEObjectDialog {

    private final Modifizierbar modifizierbar;

    protected final class SimpleBindingToolkit extends PlainBindingToolkit implements BindingToolkit {
        public SimpleBindingToolkit(EMFDataBindingContext ctx, EObject eObject) {
            super(ctx, eObject);
        }

        @Override
        public IObservableValue bindFeature(Text text, EReference feature) {
            IObservableValue observeValue = EMFObservables.observeValue(eObject, feature);
            ISWTObservableValue observeEditable = SWTObservables.observeText(text, SWT.Modify);
            UpdateValueStrategy updateStrategie = new EMFUpdateValueStrategy();
            updateStrategie.setConverter(new ReferenceToStringConverter(AdapterFactoryUtil.getInstance().getLabelProvider()));
            Binding binding = ctx.bindValue(observeEditable, observeValue, null, updateStrategie);
            ctx.addBinding(binding);

            return observeValue;
        }
    }

    public CreateAttributModifikatorDialog(Shell parentShell, AttributModifikatorWert object, Modifizierbar modifizierbar, String message) {
        super(parentShell, object);
        binding = new SimpleBindingToolkit(ctx, eObject);
        this.modifizierbar = modifizierbar;
        this.message = message;
    }

    @Override
    protected Control createDialogArea(Composite parent) {
        // create a composite with standard margins and spacing
        Composite composite = new Composite(parent, SWT.NONE);
        GridLayout layout = new GridLayout();
        layout.marginHeight = convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_MARGIN);
        layout.marginWidth = convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_MARGIN);
        layout.verticalSpacing = convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_SPACING);
        layout.horizontalSpacing = convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_SPACING);
        composite.setLayout(layout);
        composite.setLayoutData(new GridData(GridData.FILL_BOTH));
        applyDialogFont(composite);

        AttributModifikatorWertWidget widget = new AttributModifikatorWertWidget(composite, SWT.NORMAL, binding) {
            @Override
            protected void createContent(BindingToolkit bindingToolkit) {
                createattributContent(bindingToolkit);
                createwertContent(bindingToolkit);
                createmodifiziertesContent(bindingToolkit);
            }

            @Override
            protected void handlemodifiziertesChooseBtnClick() {
                ((AttributModifikatorWert)eObject).setModifiziertes(modifizierbar);

                Adapter pd = AdapterFactoryUtil.getInstance().getAdapterFactory().adapt(eObject, IItemPropertySource.class);
                ItemProviderAdapter ipd = (ItemProviderAdapter)pd;
                IItemPropertyDescriptor itemPropertyDescriptor = ipd.getPropertyDescriptor(eObject,
                        Shr5Package.Literals.ATTRIBUT_MODIFIKATOR_WERT__MODIFYABLE);

                Object[] array = NullObject.toChoises(itemPropertyDescriptor.getChoiceOfValues(eObject));

                OwnChooseDialog dialog = new OwnChooseDialog(getShell(), array);
                dialog.setLabelProvider(AdapterFactoryUtil.getInstance().getLabelProvider());
                int open = dialog.open();
                if (open == Dialog.OK) {
                    Object[] result = dialog.getResult();
                    if (result.length > 0)
                        ((AttributModifikatorWert)eObject).setModifyable(result[0] instanceof NullObject ? null:  (Modifyable)result[0]);
                    else
                        ((AttributModifikatorWert)eObject).setModifiziertes(null);

                    // Notification notification = new NotificationImpl(Notification.SET, true, false);
                    // eObject.eNotify(notification);
                }
            }

            @Override
            protected void handleattributChooseBtnClick() {
                ((AttributModifikatorWert)eObject).setModifiziertes(modifizierbar);

                Adapter pd = AdapterFactoryUtil.getInstance().getAdapterFactory().adapt(eObject, IItemPropertySource.class);
                ItemProviderAdapter ipd = (ItemProviderAdapter)pd;
                IItemPropertyDescriptor itemPropertyDescriptor = ipd.getPropertyDescriptor(eObject,
                        Shr5Package.eINSTANCE.getAttributModifikatorWert_Attribut());

                Object[] array = NullObject.toChoises(itemPropertyDescriptor.getChoiceOfValues(eObject));

                OwnChooseDialog dialog = new OwnChooseDialog(getShell(), array);
                dialog.setLabelProvider(AdapterFactoryUtil.getInstance().getLabelProvider());
                int open = dialog.open();
                if (open == Dialog.OK) {
                    Object[] result = dialog.getResult();
                    if (result.length > 0)
                        ((AttributModifikatorWert)eObject).setAttribut((EAttribute)result[0]);
                    else
                        ((AttributModifikatorWert)eObject).setModifiziertes(null);

                    // Notification notification = new NotificationImpl(Notification.SET, true, false);
                    // eObject.eNotify(notification);
                }
            }
        };
        widget.setLayoutData(new GridData(GridData.FILL_BOTH));

        return composite;
    }

    /*
     * (non-Javadoc)
     * @see org.eclipse.jface.dialogs.IconAndMessageDialog#getImage()
     */
    @Override
    protected Image getImage() {
        return getQuestionImage();
    }

}