/**
* Copyright 2004-2016 Riccardo Solmi. All rights reserved.
* This file is part of the Whole Platform.
*
* The Whole Platform is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* The Whole Platform is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with the Whole Platform. If not, see <http://www.gnu.org/licenses/>.
*/
package org.whole.lang.workflows.ui.dialogs;
import org.eclipse.e4.core.contexts.ContextInjectionFactory;
import org.eclipse.e4.core.contexts.EclipseContextFactory;
import org.eclipse.e4.core.contexts.IEclipseContext;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.swt.widgets.Shell;
import org.whole.lang.bindings.IBindingManager;
import org.whole.lang.model.IEntity;
import org.whole.lang.ui.dialogs.DisabledImportAsModelDialogFactory;
import org.whole.lang.ui.dialogs.IImportAsModelDialogFactory;
import org.whole.lang.ui.dialogs.ImportAsModelDialogFactory;
import org.whole.lang.util.BehaviorUtils;
import org.whole.lang.workflows.model.Assign;
import org.whole.lang.workflows.model.Assignments;
import org.whole.lang.workflows.model.Expression;
import org.whole.lang.workflows.ui.dialogs.ITaskDialogFactory;
/**
* @author Enrico Persiani
*/
public class ChangeValueDialogFactory implements ITaskDialogFactory {
private static class SingletonHolder {
private static final ChangeValueDialogFactory instance = new ChangeValueDialogFactory();
}
public static ChangeValueDialogFactory instance() {
return SingletonHolder.instance;
}
private ChangeValueDialogFactory() {
}
public Dialog createDialog(Shell shell, String title, String message, Assignments assignments, IBindingManager bindings) {
Assign assign = (Assign) assignments.wGet(0);
Expression expression = assign.getExpression();
IEntity entity = BehaviorUtils.evaluate(expression, 0, bindings);
assign.wSet(expression, entity);
IEclipseContext params = EclipseContextFactory.create();
params.set("dialogTitle", title);
params.set("dialogMessage", message);
params.set("dialogEntity", entity);
IEclipseContext context = (IEclipseContext) bindings.wGetValue("eclipseContext");
IImportAsModelDialogFactory factory = ContextInjectionFactory.make(DisabledImportAsModelDialogFactory.class, context);
params.set(IImportAsModelDialogFactory.class, factory);
return ContextInjectionFactory.make(ChangeValueDialog.class, context, params);
}
}