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/*******************************************************************************
* Copyright (c) 2015, 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.internal.widgets;
import org.eclipse.eef.EEFCheckboxDescription;
import org.eclipse.eef.EEFWidgetDescription;
import org.eclipse.eef.core.api.controllers.EEFControllersFactory;
import org.eclipse.eef.core.api.controllers.IConsumer;
import org.eclipse.eef.core.api.controllers.IEEFCheckboxController;
import org.eclipse.eef.core.api.controllers.IEEFWidgetController;
import org.eclipse.eef.properties.ui.api.EEFTabbedPropertySheetPage;
import org.eclipse.eef.properties.ui.api.EEFTabbedPropertySheetWidgetFactory;
import org.eclipse.emf.transaction.TransactionalEditingDomain;
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.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.layout.FormAttachment;
import org.eclipse.swt.layout.FormData;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
/**
* This class will be used in order to manager the lifecycle of a checkbox.
*
* @author mbats
*/
public class EEFCheckboxLifecycleManager extends AbstractEEFWidgetLifecycleManager {
/**
* The description.
*/
private EEFCheckboxDescription description;
/**
* The checkbox.
*/
private Button checkbox;
/**
* The controller.
*/
private IEEFCheckboxController controller;
/**
* The listener on the checkbox.
*/
private SelectionListener selectionListener;
/**
* The constructor.
*
* @param description
* The description
* @param variableManager
* The variable manager
* @param interpreter
* The interpreter
* @param editingDomain
* The editing domain
*/
public EEFCheckboxLifecycleManager(EEFCheckboxDescription description, IVariableManager variableManager, IInterpreter interpreter,
TransactionalEditingDomain editingDomain) {
super(variableManager, interpreter, editingDomain);
this.description = description;
}
/**
* {@inheritDoc}
*
* @see org.eclipse.eef.ide.ui.internal.widgets.AbstractEEFWidgetLifecycleManager#createMainControl(org.eclipse.swt.widgets.Composite,
* org.eclipse.eef.properties.ui.api.EEFTabbedPropertySheetPage)
*/
@Override
protected void createMainControl(Composite parent, EEFTabbedPropertySheetPage tabbedPropertySheetPage) {
EEFTabbedPropertySheetWidgetFactory widgetFactory = tabbedPropertySheetPage.getWidgetFactory();
FormData buttonFormData = new FormData();
buttonFormData.left = new FormAttachment(0, LABEL_WIDTH);
this.checkbox = widgetFactory.createButton(parent, "", SWT.CHECK); //$NON-NLS-1$
this.checkbox.setLayoutData(buttonFormData);
this.controller = new EEFControllersFactory().createCheckboxController(this.description, this.variableManager, this.interpreter,
this.editingDomain);
}
/**
* {@inheritDoc}
*
* @see org.eclipse.eef.ide.ui.internal.widgets.AbstractEEFWidgetLifecycleManager#getController()
*/
@Override
protected IEEFWidgetController getController() {
return this.controller;
}
/**
* {@inheritDoc}
*
* @see org.eclipse.eef.ide.ui.internal.widgets.AbstractEEFWidgetLifecycleManager#getValidationControl()
*/
@Override
protected Control getValidationControl() {
return this.checkbox;
}
/**
* {@inheritDoc}
*
* @see org.eclipse.eef.ide.ui.internal.widgets.AbstractEEFWidgetLifecycleManager#getWidgetDescription()
*/
@Override
protected EEFWidgetDescription getWidgetDescription() {
return this.description;
}
/**
* {@inheritDoc}
*
* @see org.eclipse.eef.ide.ui.internal.widgets.ILifecycleManager#aboutToBeShown()
*/
@Override
public void aboutToBeShown() {
super.aboutToBeShown();
this.selectionListener = new SelectionListener() {
@Override
public void widgetSelected(SelectionEvent event) {
controller.updateValue(checkbox.getSelection());
}
@Override
public void widgetDefaultSelected(SelectionEvent e) {
// Nothing to do
}
};
this.checkbox.addSelectionListener(this.selectionListener);
this.controller.onNewValue(new IConsumer<Boolean>() {
@Override
public void apply(Boolean value) {
if (!checkbox.isDisposed()) {
if (checkbox.getSelection() != value) {
checkbox.setSelection(value);
}
}
}
});
}
/**
* {@inheritDoc}
*
* @see org.eclipse.eef.ide.ui.internal.widgets.ILifecycleManager#aboutToBeHidden()
*/
@Override
public void aboutToBeHidden() {
super.aboutToBeHidden();
if (!checkbox.isDisposed()) {
this.checkbox.removeSelectionListener(this.selectionListener);
}
this.controller.removeNewValueConsumer();
}
}
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