| /******************************************************************************* |
| * Copyright (c) 2000, 2018 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.debug.internal.ui.launchConfigurations; |
| |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.jface.dialogs.ErrorDialog; |
| import org.eclipse.jface.viewers.Viewer; |
| import org.eclipse.swt.custom.BusyIndicator; |
| import org.eclipse.swt.widgets.Shell; |
| import org.eclipse.ui.actions.SelectionListenerAction; |
| |
| /** |
| * Common function/behavior for launch configuration view actions |
| */ |
| public abstract class AbstractLaunchConfigurationAction extends SelectionListenerAction { |
| |
| /** |
| * The mode this action was created in (run, debug, ...) |
| */ |
| private String fMode; |
| |
| /** |
| * Allows a requestor to abort this action. |
| */ |
| public interface IConfirmationRequestor { |
| /** |
| * Returns whether this action should proceed. Confirmation is requested |
| * when an action is run. |
| * |
| * @return whether this action should proceed |
| */ |
| boolean getConfirmation(); |
| } |
| |
| /** |
| * This action's confirmation requestor or <code>null</code> if none |
| */ |
| private IConfirmationRequestor fConfirmationRequestor; |
| |
| /** |
| * The viewer this action is working on |
| */ |
| private Viewer fViewer; |
| |
| /** |
| * Constructor for AbstractLaunchConfigurationAction. |
| * @param text the action label |
| * @param viewer the viewer the action belongs to |
| * @param mode the mode the action applies to |
| */ |
| public AbstractLaunchConfigurationAction(String text, Viewer viewer, String mode) { |
| super(text); |
| fViewer = viewer; |
| fViewer.addSelectionChangedListener(this); |
| fMode = mode; |
| } |
| |
| /** |
| * Returns the shell this action is contained in. |
| * |
| * @return the shell this action is contained in |
| */ |
| protected Shell getShell() { |
| return getViewer().getControl().getShell(); |
| } |
| |
| /** |
| * Returns the viewer this action is working on |
| * |
| * @return the viewer this action is working on |
| */ |
| protected Viewer getViewer() { |
| return fViewer; |
| } |
| |
| /** |
| * Performs this action once confirmation has been aquired. Subclasses |
| * should override this method. |
| */ |
| protected abstract void performAction(); |
| |
| /** |
| * @see org.eclipse.jface.action.IAction#run() |
| */ |
| @Override |
| public final void run() { |
| if (fConfirmationRequestor != null) { |
| if (!fConfirmationRequestor.getConfirmation()) { |
| return; |
| } |
| } |
| Runnable r = () -> performAction(); |
| BusyIndicator.showWhile(getShell().getDisplay(), r); |
| } |
| |
| /** |
| * Sets this action's confirmation requestor. |
| * |
| * @param confirmationRequestor the new {@link IConfirmationRequestor} |
| */ |
| public void setConfirmationRequestor(IConfirmationRequestor confirmationRequestor) { |
| fConfirmationRequestor = confirmationRequestor; |
| } |
| |
| /** |
| * Disposes this action |
| */ |
| public void dispose() { |
| fViewer.removeSelectionChangedListener(this); |
| } |
| |
| /** |
| * Show an error dialog on the given exception. |
| * |
| * @param exception the exception to show in the dialog |
| */ |
| protected void errorDialog(CoreException exception) { |
| ErrorDialog.openError(getShell(), null, null, exception.getStatus()); |
| } |
| |
| /** |
| * Return this action's mode. |
| * |
| * @return launch mode |
| */ |
| protected String getMode() { |
| return fMode; |
| } |
| } |