/*
* Copyright (c) 2011 Google Inc.
*
* 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
*/
package com.google.eclipse.protobuf.ui.preferences.paths;
import static org.eclipse.core.runtime.Status.OK_STATUS;
import static org.eclipse.jface.window.Window.OK;
import static org.eclipse.ui.views.navigator.ResourceComparator.NAME;
import static com.google.eclipse.protobuf.ui.preferences.paths.Messages.directorySelection;
import static com.google.eclipse.protobuf.ui.preferences.paths.Messages.errorElementIsNotDirectory;
import static com.google.eclipse.protobuf.ui.preferences.paths.Messages.selectFileSystemDirectory;
import static com.google.eclipse.protobuf.ui.preferences.paths.Messages.selectWorkspaceDirectory;
import static com.google.eclipse.protobuf.ui.util.IStatusFactory.error;
import static com.google.eclipse.protobuf.util.Workspaces.workspaceRoot;
import java.net.URI;
import org.eclipse.core.resources.IContainer;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.IWorkspaceRoot;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.DirectoryDialog;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.dialogs.ElementTreeSelectionDialog;
import org.eclipse.ui.dialogs.ISelectionStatusValidator;
import org.eclipse.ui.model.WorkbenchContentProvider;
import org.eclipse.ui.model.WorkbenchLabelProvider;
import org.eclipse.ui.views.navigator.ResourceComparator;
/**
* Launchers for dialogs where users can select a directory (either in a workspace or the file system.)
*
* @author alruiz@google.com (Alex Ruiz)
*/
class DirectorySelectionDialogs {
static IPath showWorkspaceDirectorySelectionDialog(Shell shell, String initialPath) {
return showWorkspaceDirectorySelectionDialog(shell, initialPath, null);
}
static IPath showWorkspaceDirectorySelectionDialog(Shell shell, String initialPath, IProject project) {
String currentPathText = initialPath.replaceAll("\"", "");
URI uri = URI.create(currentPathText);
ElementTreeSelectionDialog dialog = new ElementTreeSelectionDialog(shell, new WorkbenchLabelProvider(),
new WorkbenchContentProvider());
IWorkspaceRoot workspaceRoot = workspaceRoot();
dialog.setInput(project == null ? workspaceRoot : project);
dialog.setComparator(new ResourceComparator(NAME));
IResource container = null;
if (uri.isAbsolute()) {
IContainer containers[] = workspaceRoot.findContainersForLocationURI(uri);
if (containers != null && containers.length > 0) {
container = containers[0];
}
}
dialog.setInitialSelection(container);
dialog.setValidator(new ISelectionStatusValidator() {
@Override public IStatus validate(Object[] selection) {
if (selection != null && selection.length > 0 && selection[0] instanceof IFile) {
return error(errorElementIsNotDirectory);
}
return OK_STATUS;
}
});
dialog.setTitle(directorySelection);
dialog.setMessage(selectWorkspaceDirectory);
if (dialog.open() != OK) {
return null;
}
IResource resource = (IResource) dialog.getFirstResult();
return (resource == null) ? null : resource.getFullPath();
}
static String showFileSystemDirectorySelectionDialog(Shell shell, String filterPath) {
DirectoryDialog dialog = new DirectoryDialog(shell, SWT.OPEN | SWT.APPLICATION_MODAL);
if (filterPath != null && filterPath.trim().length() != 0) {
dialog.setFilterPath(filterPath);
}
dialog.setMessage(selectFileSystemDirectory);
return dialog.open();
}
private DirectorySelectionDialogs() {}
}