examples/org.eclipse.e4.demo.simpleide/src/org/eclipse/e4/demo/simpleide/handlers/NewFolderDialogHandler.java

/*******************************************************************************
 * Copyright (c) 2010 BestSolution.at 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:
 *     Tom Schindl <tom.schindl@bestsolution.at> - initial API and implementation
 ******************************************************************************/
package org.eclipse.e4.demo.simpleide.handlers;

import javax.inject.Named;
import org.eclipse.core.resources.IFolder;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.IWorkspace;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.e4.core.di.annotations.Execute;
import org.eclipse.e4.core.di.annotations.Optional;
import org.eclipse.e4.core.services.log.Logger;
import org.eclipse.e4.demo.simpleide.services.INLSLookupFactoryService;
import org.eclipse.e4.demo.simpleide.ui.ResourceViewerControl;
import org.eclipse.e4.ui.services.IServiceConstants;
import org.eclipse.jface.dialogs.IMessageProvider;
import org.eclipse.jface.dialogs.TitleAreaDialog;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;

public class NewFolderDialogHandler {

	@Execute
	public void openNewTextFileDialog(
			@Named(IServiceConstants.ACTIVE_SHELL) Shell parentShell,
			@Optional @Named(IServiceConstants.SELECTION) final IResource resource,
			final IWorkspace workspace, IProgressMonitor monitor,
			final Logger logger, final INLSLookupFactoryService nlsFactory) {

		TitleAreaDialog dialog = new TitleAreaDialog(parentShell) {
			private ResourceViewerControl viewer;
			private Text text;
			private Messages messages = nlsFactory
					.createNLSLookup(Messages.class);

			@Override
			protected Control createDialogArea(Composite parent) {

				getShell()
						.setText(messages.NewFolderDialogHandler_ShellTitle());
				setTitle(messages.NewFolderDialogHandler_Title());
				setMessage(messages.NewFolderDialogHandler_Message());

				Composite comp = (Composite) super.createDialogArea(parent);
				Composite container = new Composite(comp, SWT.NONE);
				container.setLayoutData(new GridData(GridData.FILL_BOTH));
				container.setLayout(new GridLayout(2, false));

				Label label = new Label(container, SWT.NONE);
				label.setLayoutData(new GridData(
						GridData.VERTICAL_ALIGN_BEGINNING));
				label.setText(messages.NewFolderDialogHandler_ParentFolder());

				viewer = new ResourceViewerControl(container, SWT.NONE,
						workspace, resource);
				viewer.setLayoutData(new GridData(GridData.FILL_BOTH));

				label = new Label(container, SWT.NONE);
				label.setText(messages.NewFolderDialogHandler_FolderName());

				text = new Text(container, SWT.BORDER);
				text.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

				return comp;
			}

			@Override
			protected void okPressed() {
				IResource resource = viewer.getResource();
				if (resource == null) {
					setMessage(
							messages.NewFolderDialogHandler_ErrorSelectAParentFolder(),
							IMessageProvider.ERROR);
					return;
				}

				if (text.getText().trim().length() == 0) {
					setMessage(
							messages.NewFolderDialogHandler_ErrorEnterFolderName(),
							IMessageProvider.ERROR);
					return;
				}

				IPath newFolderPath = resource.getFullPath().append(
						text.getText());
				IFolder folder = workspace.getRoot().getFolder(newFolderPath);
				try {
					folder.create(false, true, null);
					super.okPressed();
				} catch (CoreException e) {
					logger.error(e);
					setMessage(messages.NewFolderDialogHandler_ErrorFolderCreation(), IMessageProvider.ERROR);
				}
			}
		};

		dialog.open();
	}
}