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/*******************************************************************************
* Copyright (c) 2015, 2018 Red Hat.
*
* 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/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Red Hat - Initial Contribution
*******************************************************************************/
package org.eclipse.linuxtools.internal.vagrant.ui.commands;
import java.io.File;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.window.Window;
import org.eclipse.jface.wizard.IWizard;
import org.eclipse.jface.wizard.WizardDialog;
import org.eclipse.linuxtools.internal.vagrant.ui.views.VagrantBoxView;
import org.eclipse.linuxtools.internal.vagrant.ui.views.VagrantVMView;
import org.eclipse.linuxtools.vagrant.core.IVagrantBox;
import org.eclipse.linuxtools.vagrant.core.IVagrantVM;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.IWorkbenchPart;
/**
* Utility class for all {@link org.eclipse.core.commands.IHandler} command
* handlers
*
*/
public class CommandUtils {
/**
* Refreshes (async) the {@link Viewer}.
*
* @param viewer
* - the {@link Viewer} to refresh
*/
public static void asyncRefresh(final Viewer viewer) {
Display.getDefault().asyncExec(() -> {
if (viewer != null && !viewer.getControl().isDisposed()) {
viewer.refresh();
}
});
}
/**
* @param activePart
* the active {@link IWorkbenchPart}
* @return the {@link List} of selected {@link IVagrantVM} in the
* given active part of {@link Collections#emptyList()} if none was
* selected
*/
public static List<IVagrantVM> getSelectedContainers(final IWorkbenchPart activePart) {
if (activePart instanceof VagrantVMView) {
final IStructuredSelection selection = ((VagrantVMView) activePart)
.getStructuredSelection();
return getSelectedContainers(selection);
}
return Collections.emptyList();
}
/**
*
* @param selection
* the current selection
* @return the {@link List} of {@link IVagrantVM} associated with the
* given {@link ISelection}, or {@link Collections#emptyList()} if
* none was selected.
*/
public static List<IVagrantVM> getSelectedContainers(
final IStructuredSelection selection) {
final List<IVagrantVM> selectedContainers = new ArrayList<>();
for (Iterator<?> iterator = selection.iterator(); iterator.hasNext();) {
final Object selectedElement = iterator.next();
if (selectedElement instanceof IVagrantVM) {
selectedContainers.add((IVagrantVM) selectedElement);
}
}
return Collections.unmodifiableList(selectedContainers);
}
/**
* @param activePart
* the active {@link IWorkbenchPart}
* @return the {@link List} of selected {@link IVagrantBox} in the given
* active part of {@link Collections#emptyList()} if none was
* selected
*/
public static List<IVagrantBox> getSelectedImages(
final IWorkbenchPart activePart) {
if (activePart instanceof VagrantBoxView) {
final IStructuredSelection selection = ((VagrantBoxView) activePart)
.getStructuredSelection();
return getSelectedImages(selection);
}
return Collections.emptyList();
}
/**
*
* @param selection
* the current selection
* @return the {@link List} of {@link IDockerImage} associated with the
* given {@link ISelection}, or {@link Collections#emptyList()} if
* none was selected.
*/
public static List<IVagrantBox> getSelectedImages(
final IStructuredSelection selection) {
final List<IVagrantBox> selectedImages = new ArrayList<>();
for (Iterator<?> iterator = selection.iterator(); iterator.hasNext();) {
final Object selectedElement = iterator.next();
if (selectedElement instanceof IVagrantBox) {
selectedImages.add((IVagrantBox) selectedElement);
}
}
return Collections.unmodifiableList(selectedImages);
}
/**
* Opens the given {@link IWizard} and returns <code>true</code> if the user
* finished the operation, <code>false</code> if he cancelled it.
*
* @param wizard
* the wizard to open
* @param shell
* the current {@link Shell}
* @return <code>true</code> if the wizard completed, <code>false</code>
* otherwise.
*/
public static boolean openWizard(final IWizard wizard, final Shell shell) {
final WizardDialog wizardDialog = new WizardDialog(shell, wizard);
wizardDialog.create();
return wizardDialog.open() == Window.OK;
}
/**
* Opens the given {@link IWizard} and returns <code>true</code> if the user
* finished the operation, <code>false</code> if he cancelled it.
*
* @param wizard
* the wizard to open
* @param shell
* the current {@link Shell}
* @return <code>true</code> if the wizard completed, <code>false</code>
* otherwise.
*/
public static boolean openWizard(final IWizard wizard, final Shell shell,
final int width, final int height) {
final WizardDialog wizardDialog = new WizardDialog(shell, wizard);
wizardDialog.setPageSize(width, height);
wizardDialog.create();
return wizardDialog.open() == Window.OK;
}
public static void delete(File root) {
if (root.isDirectory()) {
for (File child : root.listFiles()) {
if (child.isDirectory() && child.canRead()) {
delete(child);
} else {
child.delete();
}
}
}
root.delete();
}
}
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