/*******************************************************************************
* Copyright (c) 2016 Obeo.
* 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:
* Obeo - initial API and implementation
*******************************************************************************/
package org.eclipse.eef.ide.ui.ext.widgets.reference.internal;
import org.eclipse.eef.common.ui.api.IEEFFormContainer;
import org.eclipse.eef.core.api.EditingContextAdapter;
import org.eclipse.eef.core.ext.widgets.reference.internal.EEFExtReferenceController;
import org.eclipse.eef.ext.widgets.reference.eefextwidgetsreference.EEFExtReferenceDescription;
import org.eclipse.emf.common.notify.Adapter;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EReference;
import org.eclipse.emf.edit.provider.ComposedAdapterFactory;
import org.eclipse.emf.edit.provider.IItemLabelProvider;
import org.eclipse.emf.edit.provider.ReflectiveItemProviderAdapterFactory;
import org.eclipse.emf.edit.ui.provider.ExtendedImageRegistry;
import org.eclipse.jface.wizard.IWizard;
import org.eclipse.jface.wizard.WizardDialog;
import org.eclipse.sirius.common.interpreter.api.IInterpreter;
import org.eclipse.sirius.common.interpreter.api.IVariableManager;
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.Label;
/**
* This lifecycle manager is used to handle the EEF Extension reference widget for mono-valued EReferences.
*
* @author sbegaudeau
*/
public class EEFExtSingleReferenceLifecycleManager extends AbstractEEFExtReferenceLifecycleManager {
/**
* The image of the current value.
*/
private Label image;
/**
* The label showing the current value.
*/
private Label text;
/**
* The constructor.
*
* @param description
* The description of the reference
* @param target
* The target
* @param eReference
* The EReference to display
* @param variableManager
* The variable manager
* @param interpreter
* The interpreter
* @param editingContextAdapter
* The context adapter
*/
public EEFExtSingleReferenceLifecycleManager(EEFExtReferenceDescription description, EObject target, EReference eReference,
IVariableManager variableManager, IInterpreter interpreter, EditingContextAdapter editingContextAdapter) {
super(description, target, eReference, variableManager, interpreter, editingContextAdapter);
}
/**
* {@inheritDoc}
*
* @see org.eclipse.eef.ide.ui.api.widgets.AbstractEEFWidgetLifecycleManager#createMainControl(org.eclipse.swt.widgets.Composite,
* org.eclipse.eef.common.ui.api.IEEFFormContainer)
*/
@Override
protected void createMainControl(Composite parent, IEEFFormContainer formContainer) {
this.widgetFactory = formContainer.getWidgetFactory();
Composite referenceComposite = this.widgetFactory.createFlatFormComposite(parent);
GridLayout gridLayout = new GridLayout(3, false);
gridLayout.verticalSpacing = 0;
gridLayout.marginHeight = 0;
referenceComposite.setLayout(gridLayout);
GridData referenceCompositeGridData = new GridData(SWT.FILL, SWT.CENTER, true, false);
referenceComposite.setLayoutData(referenceCompositeGridData);
this.composedAdapterFactory = new ComposedAdapterFactory(ComposedAdapterFactory.Descriptor.Registry.INSTANCE);
this.composedAdapterFactory.addAdapterFactory(new ReflectiveItemProviderAdapterFactory());
this.createLabel(referenceComposite);
Composite buttonsComposite = this.widgetFactory.createFlatFormComposite(referenceComposite);
GridData buttonCompositeGridData = new GridData();
buttonsComposite.setLayoutData(buttonCompositeGridData);
if (!this.eReference.isContainment()) {
buttonsComposite.setLayout(new GridLayout(3, true));
Image browseImage = ExtendedImageRegistry.INSTANCE
.getImage(EEFExtReferenceUIPlugin.getPlugin().getImage(EEFExtReferenceUIPlugin.Implementation.BROWSE_ICON_PATH));
this.browseButton = this.createButton(buttonsComposite, browseImage);
} else {
buttonsComposite.setLayout(new GridLayout(2, true));
}
Image addImage = ExtendedImageRegistry.INSTANCE
.getImage(EEFExtReferenceUIPlugin.getPlugin().getImage(EEFExtReferenceUIPlugin.Implementation.ADD_ICON_PATH));
Image removeImage = ExtendedImageRegistry.INSTANCE
.getImage(EEFExtReferenceUIPlugin.getPlugin().getImage(EEFExtReferenceUIPlugin.Implementation.REMOVE_ICON_PATH));
this.addButton = this.createButton(buttonsComposite, addImage);
this.removeButton = this.createButton(buttonsComposite, removeImage);
this.widgetFactory.paintBordersFor(parent);
this.controller = new EEFExtReferenceController(this.description, this.variableManager, this.interpreter, this.editingContextAdapter);
}
/**
* Creates the label showing the value of the reference.
*
* @param parent
* The parent composite
*/
private void createLabel(Composite parent) {
this.image = this.widgetFactory.createLabel(parent, "", SWT.NONE); //$NON-NLS-1$
this.text = this.widgetFactory.createLabel(parent, "", SWT.NONE); //$NON-NLS-1$
GridData gridData = new GridData();
gridData.grabExcessHorizontalSpace = true;
gridData.horizontalAlignment = SWT.FILL;
this.text.setLayoutData(gridData);
}
/**
* {@inheritDoc}
*
* @see org.eclipse.eef.ide.ui.api.widgets.AbstractEEFWidgetLifecycleManager#getLabelVerticalAlignment()
*/
@Override
protected int getLabelVerticalAlignment() {
return GridData.VERTICAL_ALIGN_CENTER;
}
/**
* {@inheritDoc}
*
* @see org.eclipse.eef.ide.ui.ext.widgets.reference.internal.AbstractEEFExtReferenceLifecycleManager#browseButtonCallback()
*/
@Override
protected void browseButtonCallback() {
IWizard wizard = new EEFExtEObjectSelectionWizard(this.target, this.eReference, this.editingContextAdapter);
WizardDialog wizardDialog = new WizardDialog(this.text.getShell(), wizard);
wizardDialog.open();
}
/**
* {@inheritDoc}
*
* @see org.eclipse.eef.ide.ui.ext.widgets.reference.internal.AbstractEEFExtReferenceLifecycleManager#addButtonCallback()
*/
@Override
protected void addButtonCallback() {
IWizard wizard = new EEFExtEObjectCreationWizard(this.target, this.eReference, this.editingContextAdapter);
WizardDialog wizardDialog = new WizardDialog(this.text.getShell(), wizard);
wizardDialog.open();
}
/**
* {@inheritDoc}
*
* @see org.eclipse.eef.ide.ui.ext.widgets.reference.internal.AbstractEEFExtReferenceLifecycleManager#removeButtonCallback()
*/
@Override
protected void removeButtonCallback() {
this.editingContextAdapter.performModelChange(() -> target.eUnset(eReference));
}
/**
* {@inheritDoc}
*
* @see org.eclipse.eef.ide.ui.ext.widgets.reference.internal.AbstractEEFExtReferenceLifecycleManager#refresh()
*/
@Override
public void refresh() {
super.refresh();
Object value = this.target.eGet(this.eReference);
if (value instanceof EObject) {
Adapter adapter = this.composedAdapterFactory.adapt((EObject) value, IItemLabelProvider.class);
if (adapter instanceof IItemLabelProvider) {
IItemLabelProvider labelProvider = (IItemLabelProvider) adapter;
this.text.setText(labelProvider.getText(value));
this.image.setImage(ExtendedImageRegistry.INSTANCE.getImage(labelProvider.getImage(value)));
}
} else if (value == null) {
this.image.setImage(null);
this.text.setText(Messages.SingleReference_noValue);
}
}
/**
* {@inheritDoc}
*
* @see org.eclipse.eef.ide.ui.ext.widgets.reference.internal.AbstractEEFExtReferenceLifecycleManager#setEnabled(boolean)
*/
@Override
protected void setEnabled(boolean isEnabled) {
super.setEnabled(isEnabled);
if (this.browseButton != null && !this.browseButton.isDisposed()) {
this.browseButton.setEnabled(isEnabled);
}
}
/**
* {@inheritDoc}
*
* @see org.eclipse.eef.ide.ui.api.widgets.AbstractEEFLifecycleManager#getValidationControl()
*/
@Override
protected Control getValidationControl() {
return this.image;
}
}