| /******************************************************************************* |
| * Copyright (c) 2012, 2019 Dirk Fauth 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: |
| * Dirk Fauth - initial API and implementation and/or initial documentation |
| * Dirk Fauth <dirk.fauth@googlemail.com> - Added improved resource handling |
| *******************************************************************************/ |
| package org.eclipse.nebula.widgets.nattable.examples.examples._102_Configuration; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Random; |
| import java.util.logging.Level; |
| import java.util.logging.LogRecord; |
| |
| import org.eclipse.jface.layout.GridDataFactory; |
| import org.eclipse.jface.resource.ImageDescriptor; |
| import org.eclipse.jface.resource.JFaceResources; |
| import org.eclipse.jface.resource.LocalResourceManager; |
| import org.eclipse.nebula.widgets.nattable.NatTable; |
| import org.eclipse.nebula.widgets.nattable.config.CellConfigAttributes; |
| import org.eclipse.nebula.widgets.nattable.config.DefaultNatTableStyleConfiguration; |
| import org.eclipse.nebula.widgets.nattable.config.IConfigRegistry; |
| import org.eclipse.nebula.widgets.nattable.data.ListDataProvider; |
| import org.eclipse.nebula.widgets.nattable.data.ReflectiveColumnPropertyAccessor; |
| import org.eclipse.nebula.widgets.nattable.examples.AbstractNatExample; |
| import org.eclipse.nebula.widgets.nattable.examples.runner.StandaloneNatExampleRunner; |
| import org.eclipse.nebula.widgets.nattable.grid.GridRegion; |
| import org.eclipse.nebula.widgets.nattable.layer.DataLayer; |
| import org.eclipse.nebula.widgets.nattable.layer.LabelStack; |
| import org.eclipse.nebula.widgets.nattable.layer.cell.IConfigLabelAccumulator; |
| import org.eclipse.nebula.widgets.nattable.painter.cell.AutomaticRowHeightTextPainter; |
| import org.eclipse.nebula.widgets.nattable.painter.cell.ImagePainter; |
| import org.eclipse.nebula.widgets.nattable.painter.cell.decorator.CellPainterDecorator; |
| import org.eclipse.nebula.widgets.nattable.painter.cell.decorator.LineBorderDecorator; |
| import org.eclipse.nebula.widgets.nattable.painter.cell.decorator.PaddingDecorator; |
| import org.eclipse.nebula.widgets.nattable.style.CellStyleAttributes; |
| import org.eclipse.nebula.widgets.nattable.style.DisplayMode; |
| import org.eclipse.nebula.widgets.nattable.style.HorizontalAlignmentEnum; |
| import org.eclipse.nebula.widgets.nattable.style.Style; |
| import org.eclipse.nebula.widgets.nattable.ui.util.CellEdgeEnum; |
| import org.eclipse.nebula.widgets.nattable.util.GUIHelper; |
| import org.eclipse.nebula.widgets.nattable.viewport.ViewportLayer; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.graphics.Image; |
| import org.eclipse.swt.graphics.ImageData; |
| import org.eclipse.swt.graphics.ImageDataProvider; |
| 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.Display; |
| |
| /** |
| * Example showing a NatTable with dynamic row height that is increasing and |
| * shrinking the row height dependent to the content. |
| */ |
| public class AutomaticRowHeightExample extends AbstractNatExample { |
| |
| private static final Display DISPLAY = Display.getDefault(); |
| |
| private final List<LogRecord> logMessages = new ArrayList<>(); |
| |
| public static void main(String[] args) throws Exception { |
| StandaloneNatExampleRunner.run(new AutomaticRowHeightExample()); |
| } |
| |
| @Override |
| public String getDescription() { |
| return "Demonstrates how to implement a log viewer using NatTable with the percentage " |
| + "sizing and the automatic row height calculation feature. If you resize the " |
| + "window you will see the rows growing/shrinking to always show the whole content " |
| + "by wrapping the text and resizing the row heights."; |
| } |
| |
| @Override |
| public Control createExampleControl(Composite parent) { |
| Composite panel = new Composite(parent, SWT.NONE); |
| |
| GridData layoutData = GridDataFactory.fillDefaults().grab(true, true).create(); |
| |
| GridLayout layout = new GridLayout(); |
| layout.numColumns = 1; |
| layout.marginWidth = 0; |
| layout.marginHeight = 0; |
| panel.setLayout(layout); |
| panel.setLayoutData(layoutData); |
| |
| loadMessages(); |
| |
| ListDataProvider<LogRecord> dataProvider = |
| new ListDataProvider<>( |
| this.logMessages, |
| new ReflectiveColumnPropertyAccessor<LogRecord>(new String[] { "message" })); //$NON-NLS-1$ |
| DataLayer dataLayer = new DataLayer(dataProvider); |
| dataLayer.setColumnPercentageSizing(true); |
| dataLayer.setColumnWidthPercentageByPosition(0, 100); |
| dataLayer.setConfigLabelAccumulator(new ValidatorMessageLabelAccumulator()); |
| |
| ViewportLayer layer = new ViewportLayer(dataLayer); |
| layer.setRegionName(GridRegion.BODY); |
| |
| NatTable natTable = new NatTable(panel, NatTable.DEFAULT_STYLE_OPTIONS | SWT.BORDER, layer, false); |
| natTable.addConfiguration(new ValidationMessageTableStyleConfiguration(parent)); |
| |
| natTable.configure(); |
| |
| GridDataFactory.fillDefaults().grab(true, true).applyTo(natTable); |
| |
| return panel; |
| } |
| |
| private void loadMessages() { |
| String text = "Lorem ipsum dolor sit amet, consetetur sadipscing elitr, " |
| + "sed diam nonumy eirmod tempor invidunt ut labore et dolore " |
| + "magna aliquyam erat, sed diam voluptua."; |
| |
| Level[] levels = new Level[] { Level.SEVERE, Level.WARNING, Level.INFO }; |
| String[] words = text.split(" "); |
| |
| Random levelRandom = new Random(); |
| Random wordRandom = new Random(); |
| for (int i = 0; i < 100; i++) { |
| int randWords = wordRandom.nextInt(words.length); |
| String msg = ""; |
| for (int j = 0; j < randWords; j++) { |
| msg += words[j] + " "; |
| } |
| this.logMessages.add( |
| new LogRecord(levels[levelRandom.nextInt(levels.length)], msg)); |
| } |
| } |
| |
| public class ValidatorMessageLabelAccumulator implements IConfigLabelAccumulator { |
| @Override |
| public void accumulateConfigLabels(LabelStack configLabels, int columnPosition, int rowPosition) { |
| LogRecord vm = AutomaticRowHeightExample.this.logMessages.get(rowPosition); |
| configLabels.addLabel(vm.getLevel().toString()); |
| } |
| } |
| |
| public class ValidationMessageTableStyleConfiguration extends DefaultNatTableStyleConfiguration { |
| |
| private LocalResourceManager resManager; |
| private Image errorImage; |
| private Image warningImage; |
| private Image infoImage; |
| |
| public ValidationMessageTableStyleConfiguration(Composite composite) { |
| this.resManager = new LocalResourceManager(JFaceResources.getResources(), composite); |
| |
| int IMAGE_SIZE = GUIHelper.convertHorizontalPixelToDpi(16); |
| |
| this.errorImage = this.resManager.createImage(ImageDescriptor.createFromImageDataProvider(new ImageDataProvider() { |
| |
| @Override |
| public ImageData getImageData(int zoom) { |
| return DISPLAY.getSystemImage(SWT.ICON_ERROR) |
| .getImageData(zoom).scaledTo(IMAGE_SIZE, IMAGE_SIZE); |
| } |
| })); |
| |
| this.warningImage = this.resManager.createImage(ImageDescriptor.createFromImageDataProvider(new ImageDataProvider() { |
| |
| @Override |
| public ImageData getImageData(int zoom) { |
| return DISPLAY.getSystemImage(SWT.ICON_WARNING) |
| .getImageData(zoom).scaledTo(IMAGE_SIZE, IMAGE_SIZE); |
| } |
| })); |
| |
| this.infoImage = this.resManager.createImage(ImageDescriptor.createFromImageDataProvider(new ImageDataProvider() { |
| |
| @Override |
| public ImageData getImageData(int zoom) { |
| return DISPLAY.getSystemImage(SWT.ICON_INFORMATION) |
| .getImageData(zoom).scaledTo(IMAGE_SIZE, IMAGE_SIZE); |
| } |
| })); |
| |
| this.hAlign = HorizontalAlignmentEnum.LEFT; |
| this.cellPainter = new LineBorderDecorator( |
| new PaddingDecorator( |
| new CellPainterDecorator( |
| new AutomaticRowHeightTextPainter(2), |
| CellEdgeEnum.LEFT, new ImagePainter()), |
| 0, 2, 0, 2)); |
| } |
| |
| @Override |
| public void configureRegistry(IConfigRegistry configRegistry) { |
| super.configureRegistry(configRegistry); |
| |
| Style errorStyle = new Style(); |
| errorStyle.setAttributeValue( |
| CellStyleAttributes.IMAGE, |
| this.errorImage); |
| configRegistry.registerConfigAttribute( |
| CellConfigAttributes.CELL_STYLE, |
| errorStyle, |
| DisplayMode.NORMAL, |
| Level.SEVERE.toString()); |
| |
| Style warningStyle = new Style(); |
| warningStyle.setAttributeValue( |
| CellStyleAttributes.IMAGE, |
| this.warningImage); |
| configRegistry.registerConfigAttribute( |
| CellConfigAttributes.CELL_STYLE, |
| warningStyle, |
| DisplayMode.NORMAL, |
| Level.WARNING.toString()); |
| |
| Style informationStyle = new Style(); |
| informationStyle.setAttributeValue( |
| CellStyleAttributes.IMAGE, |
| this.infoImage); |
| configRegistry.registerConfigAttribute( |
| CellConfigAttributes.CELL_STYLE, |
| informationStyle, |
| DisplayMode.NORMAL, |
| Level.INFO.toString()); |
| } |
| } |
| } |
