| /** |
| * Copyright (c) 2012 Lunifera GmbH (Austria) 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: |
| * Florian Pirchner - initial API and implementation |
| */ |
| package org.eclipse.emf.ecp.ecview.common.editpart.emf; |
| |
| import org.eclipse.core.databinding.Binding; |
| import org.eclipse.core.databinding.UpdateValueStrategy; |
| import org.eclipse.core.databinding.beans.PojoObservables; |
| import org.eclipse.core.databinding.observable.value.IObservableValue; |
| import org.eclipse.emf.ecp.ecview.common.binding.IECViewBindingManager; |
| import org.eclipse.emf.ecp.ecview.common.editpart.IDialogEditpart; |
| import org.eclipse.emf.ecp.ecview.common.editpart.IOpenDialogCommandEditpart; |
| import org.eclipse.emf.ecp.ecview.common.editpart.binding.IBindableEndpointEditpart; |
| import org.eclipse.emf.ecp.ecview.common.editpart.binding.IBindableValueEndpointEditpart; |
| import org.eclipse.emf.ecp.ecview.common.model.core.CoreModelFactory; |
| import org.eclipse.emf.ecp.ecview.common.model.core.YOpenDialogCommand; |
| |
| /** |
| * The implementation of the IOpenDialogCommandEditpart. |
| */ |
| public class OpenDialogCommandEditpart extends |
| CommandEditpart<YOpenDialogCommand> implements |
| IOpenDialogCommandEditpart { |
| |
| private Binding binding; |
| private boolean activated; |
| |
| @Override |
| protected YOpenDialogCommand createModel() { |
| return (YOpenDialogCommand) CoreModelFactory.eINSTANCE |
| .createYOpenDialogCommand(); |
| } |
| |
| @Override |
| public void activate() { |
| // bind the values |
| IECViewBindingManager bindingManager = getView().getContext() |
| .getService(IECViewBindingManager.class.getName()); |
| |
| // Bind the trigger |
| IBindableValueEndpointEditpart modelValueEditpart = (IBindableValueEndpointEditpart) getEditpart(getModel() |
| .createTriggerDialogEndpoint()); |
| IObservableValue modelObservable = modelValueEditpart.getObservable(); |
| IObservableValue targetObservable = PojoObservables.observeValue(this, |
| "trigger"); |
| binding = bindingManager.bindValue(targetObservable, modelObservable, |
| new UpdateValueStrategy(UpdateValueStrategy.POLICY_NEVER), |
| new UpdateValueStrategy(UpdateValueStrategy.POLICY_UPDATE)); |
| activated = true; |
| } |
| |
| /** |
| * Setting a value will trigger the command execution. |
| * |
| * @param value |
| */ |
| public void setTrigger(Object value) { |
| // execute the command |
| if (activated && value != null) { |
| execute(); |
| } |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| protected void internalDispose() { |
| try { |
| if (binding != null) { |
| binding.dispose(); |
| binding = null; |
| } |
| } finally { |
| super.internalDispose(); |
| } |
| } |
| |
| @Override |
| public void execute() { |
| checkDisposed(); |
| |
| YOpenDialogCommand model = getModel(); |
| IDialogEditpart dialogEditpart = getEditpart(model.getDialog()); |
| IBindableEndpointEditpart bindableEndpoint = getEditpart(model |
| .createTriggerDialogEndpoint()); |
| getView().openDialog(dialogEditpart, bindableEndpoint); |
| } |
| } |