| /*=============================================================================# |
| # Copyright (c) 2012, 2021 Stephan Wahlbrink and others. |
| # |
| # This program and the accompanying materials are made available under the |
| # terms of the Eclipse Public License 2.0 which is available at |
| # https://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0 |
| # which is available at https://www.apache.org/licenses/LICENSE-2.0. |
| # |
| # SPDX-License-Identifier: EPL-2.0 OR Apache-2.0 |
| # |
| # Contributors: |
| # Stephan Wahlbrink <sw@wahlbrink.eu> - initial API and implementation |
| #=============================================================================*/ |
| |
| package org.eclipse.statet.ecommons.emf.ui.forms; |
| |
| import java.util.Collection; |
| import java.util.Collections; |
| |
| import org.eclipse.core.commands.ExecutionException; |
| import org.eclipse.core.databinding.observable.value.IObservableValue; |
| import org.eclipse.emf.common.command.Command; |
| import org.eclipse.emf.edit.command.CommandActionDelegate; |
| import org.eclipse.emf.edit.command.CommandParameter; |
| import org.eclipse.emf.edit.command.CreateChildCommand; |
| import org.eclipse.emf.edit.domain.EditingDomain; |
| import org.eclipse.emf.edit.ui.provider.ExtendedImageRegistry; |
| |
| import org.eclipse.statet.ecommons.ui.actions.SimpleContributionItem; |
| |
| |
| public class EditCommandContributionItem extends SimpleContributionItem { |
| |
| |
| private final CommandParameter commandParameter; |
| private final EditingDomain editingDomain; |
| private final IObservableValue observable; |
| |
| private final Object owner; |
| private final Command command; |
| |
| |
| public EditCommandContributionItem(final CommandParameter commandParameter, |
| final EditingDomain editingDomain, final IObservableValue observable) { |
| super("", null); //$NON-NLS-1$ |
| |
| this.commandParameter= commandParameter; |
| this.editingDomain= editingDomain; |
| this.observable= observable; |
| |
| this.owner= this.observable.getValue(); |
| this.command= createCommand(); |
| |
| update((CommandActionDelegate) this.command); |
| } |
| |
| |
| protected Command createCommand() { |
| return CreateChildCommand.create(this.editingDomain, this.owner, |
| this.commandParameter, Collections.singletonList(this.owner) ); |
| } |
| |
| private void update(final CommandActionDelegate delegate) { |
| setIcon(ExtendedImageRegistry.getInstance().getImageDescriptor(delegate.getImage())); |
| setText(delegate.getText()); |
| setTooltip(delegate.getToolTipText()); |
| } |
| |
| @Override |
| public boolean isEnabled() { |
| return this.editingDomain != null && this.observable.getValue() == this.owner |
| && this.command.canExecute(); |
| } |
| |
| @Override |
| protected void execute() throws ExecutionException { |
| if (!isEnabled()) { |
| return; |
| } |
| this.editingDomain.getCommandStack().execute(this.command); |
| |
| executed(this.command.getResult()); |
| } |
| |
| protected void executed(final Collection<?> result) { |
| } |
| |
| } |