/*******************************************************************************
* Copyright (c) 2012 Original authors 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:
* Original authors and others - initial API and implementation
******************************************************************************/
package org.eclipse.nebula.widgets.nattable.examples.examples._104_Styling;
import org.eclipse.nebula.widgets.nattable.NatTable;
import org.eclipse.nebula.widgets.nattable.config.AbstractRegistryConfiguration;
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.IDataProvider;
import org.eclipse.nebula.widgets.nattable.data.convert.PercentageDisplayConverter;
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.grid.data.DummyColumnHeaderDataProvider;
import org.eclipse.nebula.widgets.nattable.grid.layer.ColumnHeaderLayer;
import org.eclipse.nebula.widgets.nattable.layer.CompositeLayer;
import org.eclipse.nebula.widgets.nattable.layer.DataLayer;
import org.eclipse.nebula.widgets.nattable.layer.ILayer;
import org.eclipse.nebula.widgets.nattable.painter.cell.PercentageBarCellPainter;
import org.eclipse.nebula.widgets.nattable.painter.cell.decorator.PercentageBarDecorator;
import org.eclipse.nebula.widgets.nattable.selection.SelectionLayer;
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.style.VerticalAlignmentEnum;
import org.eclipse.nebula.widgets.nattable.util.GUIHelper;
import org.eclipse.swt.graphics.RGB;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
/**
* This example demonstrates the use of custom painters. The cells contain data
* as decimal numbers. This decimal number is converted into a percentage and
* rendered by the painter as bars in the cell.
*/
public class _002_Using_a_custom_cell_painter extends AbstractNatExample {
public static void main(String[] args) throws Exception {
StandaloneNatExampleRunner.run(new _002_Using_a_custom_cell_painter());
}
public Control createExampleControl(Composite parent) {
// Setup the layer stack
final MyDataProvider myDataProvider = new MyDataProvider();
SelectionLayer selectionLayer = new SelectionLayer(new DataLayer(
myDataProvider));
ILayer columnHeaderLayer = new ColumnHeaderLayer(new DataLayer(
new DummyColumnHeaderDataProvider(myDataProvider)),
selectionLayer, selectionLayer);
CompositeLayer compositeLayer = new CompositeLayer(1, 2);
compositeLayer.setChildLayer(GridRegion.COLUMN_HEADER,
columnHeaderLayer, 0, 0);
compositeLayer.setChildLayer(GridRegion.BODY, selectionLayer, 0, 1);
NatTable natTable = new NatTable(parent, compositeLayer, false);
natTable.addConfiguration(new DefaultNatTableStyleConfiguration());
// Add our custom painting configuration
natTable.addConfiguration(new CustomPaintingConfig());
natTable.configure();
return natTable;
}
class CustomPaintingConfig extends AbstractRegistryConfiguration {
public void configureRegistry(IConfigRegistry configRegistry) {
// Register cell style
Style cellStyle = new Style();
cellStyle.setAttributeValue(
CellStyleAttributes.HORIZONTAL_ALIGNMENT,
HorizontalAlignmentEnum.CENTER);
cellStyle.setAttributeValue(CellStyleAttributes.VERTICAL_ALIGNMENT,
VerticalAlignmentEnum.MIDDLE);
cellStyle
.setAttributeValue(
PercentageBarDecorator.PERCENTAGE_BAR_COMPLETE_REGION_START_COLOR,
GUIHelper.getColor(new RGB(251, 149, 123)));
cellStyle
.setAttributeValue(
PercentageBarDecorator.PERCENTAGE_BAR_COMPLETE_REGION_END_COLOR,
GUIHelper.getColor(new RGB(248, 253, 219)));
cellStyle
.setAttributeValue(
PercentageBarDecorator.PERCENTAGE_BAR_INCOMPLETE_REGION_COLOR,
GUIHelper.getColor(new RGB(236, 217, 255)));
configRegistry.registerConfigAttribute(
CellConfigAttributes.CELL_STYLE, cellStyle);
// Register custom painter, paints bars
configRegistry.registerConfigAttribute(
CellConfigAttributes.CELL_PAINTER,
new PercentageBarCellPainter(), DisplayMode.NORMAL,
GridRegion.BODY.toString());
// Register custom converter, converts to percentage
configRegistry.registerConfigAttribute(
CellConfigAttributes.DISPLAY_CONVERTER,
new PercentageDisplayConverter(), DisplayMode.NORMAL,
GridRegion.BODY.toString());
}
}
/**
* Provides decimal numbers < 1 as cell values.
*/
class MyDataProvider implements IDataProvider {
public int getColumnCount() {
return 10;
}
public int getRowCount() {
return 10;
}
public Object getDataValue(int columnIndex, int rowIndex) {
// Create a decimal value
return Double.valueOf((rowIndex * 10 + columnIndex) / 100D);
}
public void setDataValue(int columnIndex, int rowIndex, Object newValue) {
// Do nothing
}
}
}