/*******************************************************************************
* Copyright (c) 2015 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
******************************************************************************/
package org.eclipse.nebula.widgets.nattable.examples._300_Data;
import java.util.HashMap;
import java.util.Map;
import org.eclipse.jface.layout.GridDataFactory;
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.ConfigRegistry;
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.ListDataProvider;
import org.eclipse.nebula.widgets.nattable.data.ReflectiveColumnPropertyAccessor;
import org.eclipse.nebula.widgets.nattable.data.convert.DefaultDateDisplayConverter;
import org.eclipse.nebula.widgets.nattable.dataset.person.Person;
import org.eclipse.nebula.widgets.nattable.dataset.person.PersonService;
import org.eclipse.nebula.widgets.nattable.examples.AbstractNatExample;
import org.eclipse.nebula.widgets.nattable.examples.runner.StandaloneNatExampleRunner;
import org.eclipse.nebula.widgets.nattable.grid.data.DefaultColumnHeaderDataProvider;
import org.eclipse.nebula.widgets.nattable.grid.data.DefaultCornerDataProvider;
import org.eclipse.nebula.widgets.nattable.grid.data.DefaultRowHeaderDataProvider;
import org.eclipse.nebula.widgets.nattable.grid.layer.ColumnHeaderLayer;
import org.eclipse.nebula.widgets.nattable.grid.layer.CornerLayer;
import org.eclipse.nebula.widgets.nattable.grid.layer.DefaultRowHeaderDataLayer;
import org.eclipse.nebula.widgets.nattable.grid.layer.GridLayer;
import org.eclipse.nebula.widgets.nattable.grid.layer.RowHeaderLayer;
import org.eclipse.nebula.widgets.nattable.layer.DataLayer;
import org.eclipse.nebula.widgets.nattable.layer.ILayer;
import org.eclipse.nebula.widgets.nattable.layer.LabelStack;
import org.eclipse.nebula.widgets.nattable.layer.cell.IConfigLabelAccumulator;
import org.eclipse.nebula.widgets.nattable.layer.stack.DefaultBodyLayerStack;
import org.eclipse.nebula.widgets.nattable.painter.cell.CheckBoxPainter;
import org.eclipse.nebula.widgets.nattable.sort.config.SingleClickSortConfiguration;
import org.eclipse.nebula.widgets.nattable.style.DisplayMode;
import org.eclipse.nebula.widgets.nattable.ui.menu.HeaderMenuConfiguration;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
/**
* Example that shows how to exchange the IDataProvider at runtime. This feature
* allows to exchange the shown data structure without the need to re-create the
* layer stack.
*/
public class _307_ChangeDataProviderExample extends AbstractNatExample {
private IDataProvider personBodyDataProvider;
private IDataProvider personColumnHeaderDataProvider;
private IDataProvider personRowHeaderDataProvider;
private IConfigLabelAccumulator personAccumulator = new IConfigLabelAccumulator() {
@Override
public void accumulateConfigLabels(LabelStack configLabels, int columnPosition, int rowPosition) {
switch (columnPosition) {
case 3:
configLabels.addLabel("MARRIED");
break;
case 4:
configLabels.addLabel("DATE");
break;
}
}
};
private IDataProvider addressBodyDataProvider;
private IDataProvider addressColumnHeaderDataProvider;
private IDataProvider addressRowHeaderDataProvider;
public static void main(String[] args) throws Exception {
StandaloneNatExampleRunner.run(600, 650, new _307_ChangeDataProviderExample());
}
@Override
public String getDescription() {
return "This example shows how to exchange the IDataProvider at runtime. "
+ "This feature allows to exchange the shown data structure without the need to re-create the layer stack.";
}
@Override
public Control createExampleControl(Composite parent) {
// set the GridLayout because the FillLayout seems to introduce a
// scrollbar rendering issue on changing the content
parent.setLayout(new GridLayout());
// property names of the Person class
String[] personPropertyNames = {
"firstName",
"lastName",
"gender",
"married",
"birthday" };
// mapping from property to label, needed for column header labels
Map<String, String> personPropertyToLabelMap = new HashMap<>();
personPropertyToLabelMap.put("firstName", "Firstname");
personPropertyToLabelMap.put("lastName", "Lastname");
personPropertyToLabelMap.put("gender", "Gender");
personPropertyToLabelMap.put("married", "Married");
personPropertyToLabelMap.put("birthday", "Birthday");
this.personBodyDataProvider = new ListDataProvider<>(
PersonService.getPersons(10),
new ReflectiveColumnPropertyAccessor<Person>(personPropertyNames));
this.personColumnHeaderDataProvider = new DefaultColumnHeaderDataProvider(personPropertyNames, personPropertyToLabelMap);
this.personRowHeaderDataProvider = new DefaultRowHeaderDataProvider(this.personBodyDataProvider);
// property names of the Address class
String[] addressPropertyNames = {
"street",
"housenumber",
"postalCode",
"city" };
// mapping from property to label, needed for column header labels
Map<String, String> addressPropertyToLabelMap = new HashMap<>();
addressPropertyToLabelMap.put("street", "Street");
addressPropertyToLabelMap.put("housenumber", "Housenumber");
addressPropertyToLabelMap.put("postalCode", "Postal Code");
addressPropertyToLabelMap.put("city", "City");
this.addressBodyDataProvider = new ListDataProvider<>(
PersonService.getAddress(20),
new ReflectiveColumnPropertyAccessor<>(addressPropertyNames));
this.addressColumnHeaderDataProvider = new DefaultColumnHeaderDataProvider(addressPropertyNames, addressPropertyToLabelMap);
this.addressRowHeaderDataProvider = new DefaultRowHeaderDataProvider(this.addressBodyDataProvider);
Composite panel = new Composite(parent, SWT.NONE);
panel.setLayout(new GridLayout());
GridDataFactory.fillDefaults().grab(true, true).applyTo(panel);
Composite gridPanel = new Composite(panel, SWT.NONE);
gridPanel.setLayout(new GridLayout());
GridDataFactory.fillDefaults().grab(true, true).applyTo(gridPanel);
Composite buttonPanel = new Composite(panel, SWT.NONE);
buttonPanel.setLayout(new GridLayout());
GridDataFactory.fillDefaults().grab(true, true).applyTo(buttonPanel);
ConfigRegistry configRegistry = new ConfigRegistry();
// create the body layer stack
DataLayer bodyDataLayer = new DataLayer(this.personBodyDataProvider);
bodyDataLayer.setConfigLabelAccumulator(this.personAccumulator);
DefaultBodyLayerStack bodyLayerStack = new DefaultBodyLayerStack(bodyDataLayer);
// create the column header layer stack
DataLayer columnHeaderDataLayer = new DataLayer(this.personColumnHeaderDataProvider);
ILayer columnHeaderLayer = new ColumnHeaderLayer(
columnHeaderDataLayer,
bodyLayerStack.getViewportLayer(),
bodyLayerStack.getSelectionLayer());
// create the row header layer stack
DataLayer rowHeaderDataLayer = new DefaultRowHeaderDataLayer(this.personRowHeaderDataProvider);
ILayer rowHeaderLayer = new RowHeaderLayer(
rowHeaderDataLayer,
bodyLayerStack.getViewportLayer(),
bodyLayerStack.getSelectionLayer());
// create the corner layer stack
ILayer cornerLayer = new CornerLayer(new DataLayer(
new DefaultCornerDataProvider(
this.personColumnHeaderDataProvider,
this.personRowHeaderDataProvider)),
rowHeaderLayer,
columnHeaderLayer);
// create the grid layer composed with the prior created layer stacks
GridLayer gridLayer = new GridLayer(
bodyLayerStack,
columnHeaderLayer,
rowHeaderLayer,
cornerLayer);
final NatTable natTable = new NatTable(gridPanel, gridLayer, false);
natTable.setConfigRegistry(configRegistry);
natTable.addConfiguration(new DefaultNatTableStyleConfiguration());
natTable.addConfiguration(new HeaderMenuConfiguration(natTable));
natTable.addConfiguration(new SingleClickSortConfiguration());
natTable.addConfiguration(new AbstractRegistryConfiguration() {
@Override
public void configureRegistry(IConfigRegistry configRegistry) {
configRegistry.registerConfigAttribute(
CellConfigAttributes.CELL_PAINTER,
new CheckBoxPainter(),
DisplayMode.NORMAL,
"MARRIED");
configRegistry.registerConfigAttribute(
CellConfigAttributes.DISPLAY_CONVERTER,
new DefaultDateDisplayConverter("yyyy-MM-dd"),
DisplayMode.NORMAL,
"DATE");
}
});
natTable.configure();
GridDataFactory.fillDefaults().grab(true, true).applyTo(natTable);
Button showPersonsButton = new Button(buttonPanel, SWT.PUSH);
showPersonsButton.setText("Show Persons");
showPersonsButton.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
bodyDataLayer.setDataProvider(_307_ChangeDataProviderExample.this.personBodyDataProvider);
columnHeaderDataLayer.setDataProvider(_307_ChangeDataProviderExample.this.personColumnHeaderDataProvider);
rowHeaderDataLayer.setDataProvider(_307_ChangeDataProviderExample.this.personRowHeaderDataProvider);
bodyDataLayer.setConfigLabelAccumulator(_307_ChangeDataProviderExample.this.personAccumulator);
natTable.refresh();
natTable.getHorizontalBar().setVisible(false);
natTable.getVerticalBar().setVisible(false);
}
});
Button showAddressButton = new Button(buttonPanel, SWT.PUSH);
showAddressButton.setText("Show Address");
showAddressButton.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
bodyDataLayer.setDataProvider(_307_ChangeDataProviderExample.this.addressBodyDataProvider);
columnHeaderDataLayer.setDataProvider(_307_ChangeDataProviderExample.this.addressColumnHeaderDataProvider);
rowHeaderDataLayer.setDataProvider(_307_ChangeDataProviderExample.this.addressRowHeaderDataProvider);
bodyDataLayer.setConfigLabelAccumulator(null);
natTable.refresh();
}
});
return panel;
}
}