| /******************************************************************************* |
| * Copyright (c) 2012, 2020 Original authors 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/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * Original authors and others - initial API and implementation |
| ******************************************************************************/ |
| package org.eclipse.nebula.widgets.nattable.examples; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| |
| import org.eclipse.jface.layout.GridDataFactory; |
| import org.eclipse.nebula.widgets.nattable.util.ObjectUtils; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Text; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| public abstract class AbstractNatExample implements INatExample { |
| |
| private static final Logger LOG = LoggerFactory.getLogger(AbstractNatExample.class); |
| |
| private Text outputArea; |
| |
| @Override |
| public String getName() { |
| return getClass().getSimpleName().replaceAll("^_[0-9]*_", "").replace('_', ' '); |
| } |
| |
| @Override |
| public String getShortDescription() { |
| String description = getDescription(); |
| return description.substring(0, description.indexOf('.') + 1); |
| } |
| |
| @Override |
| public String getDescription() { |
| String description = getResourceAsString(getClass().getSimpleName() + ".txt"); |
| if (description != null) { |
| return description; |
| } else { |
| return ""; |
| } |
| } |
| |
| @Override |
| public void onStart() { |
| } |
| |
| @Override |
| public void onStop() { |
| } |
| |
| private String getResourceAsString(String resource) { |
| try (InputStream inStream = getClass().getResourceAsStream(resource)) { |
| if (inStream != null) { |
| StringBuilder strBuf = new StringBuilder(); |
| int i = -1; |
| while ((i = inStream.read()) != -1) { |
| strBuf.append((char) i); |
| } |
| |
| return strBuf.toString(); |
| } |
| } catch (IOException e) { |
| LOG.error("Error on reading resource {}", resource, e); |
| } |
| |
| return null; |
| } |
| |
| /** |
| * Text area at the bottom |
| */ |
| public Text setupTextArea(Composite parent) { |
| this.outputArea = new Text(parent, SWT.MULTI | SWT.BORDER | SWT.V_SCROLL); |
| this.outputArea.setEditable(false); |
| |
| GridDataFactory.fillDefaults().grab(true, false).hint(0, 100).align(SWT.FILL, SWT.BEGINNING).applyTo(this.outputArea); |
| return this.outputArea; |
| } |
| |
| public void log(String msg) { |
| if (ObjectUtils.isNotNull(this.outputArea)) { |
| this.outputArea.append(msg + "\n"); |
| System.out.println(msg); |
| } |
| } |
| } |