/*******************************************************************************
* Copyright (c) 2013 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 <dirk.fauth@gmail.com> - initial API and implementation
*******************************************************************************/
package org.eclipse.nebula.widgets.nattable.examples._600_GlazedLists._605_GroupBy;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Random;
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.IColumnPropertyAccessor;
import org.eclipse.nebula.widgets.nattable.data.IDataProvider;
import org.eclipse.nebula.widgets.nattable.data.ReflectiveColumnPropertyAccessor;
import org.eclipse.nebula.widgets.nattable.data.convert.DefaultDoubleDisplayConverter;
import org.eclipse.nebula.widgets.nattable.data.convert.DefaultIntegerDisplayConverter;
import org.eclipse.nebula.widgets.nattable.data.convert.DisplayConverter;
import org.eclipse.nebula.widgets.nattable.examples.AbstractNatExample;
import org.eclipse.nebula.widgets.nattable.examples._600_GlazedLists._605_GroupBy._6052_GroupByCustomTypesExample.MyRowObject.Gender;
import org.eclipse.nebula.widgets.nattable.examples.runner.StandaloneNatExampleRunner;
import org.eclipse.nebula.widgets.nattable.extension.glazedlists.GlazedListsEventLayer;
import org.eclipse.nebula.widgets.nattable.extension.glazedlists.groupBy.GroupByDataLayer;
import org.eclipse.nebula.widgets.nattable.extension.glazedlists.groupBy.GroupByHeaderLayer;
import org.eclipse.nebula.widgets.nattable.extension.glazedlists.groupBy.GroupByHeaderMenuConfiguration;
import org.eclipse.nebula.widgets.nattable.extension.glazedlists.groupBy.GroupByModel;
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.DefaultColumnHeaderDataLayer;
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.AbstractLayerTransform;
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.layer.cell.ColumnLabelAccumulator;
import org.eclipse.nebula.widgets.nattable.persistence.command.DisplayPersistenceDialogCommandHandler;
import org.eclipse.nebula.widgets.nattable.selection.SelectionLayer;
import org.eclipse.nebula.widgets.nattable.style.DisplayMode;
import org.eclipse.nebula.widgets.nattable.tree.TreeLayer;
import org.eclipse.nebula.widgets.nattable.ui.menu.HeaderMenuConfiguration;
import org.eclipse.nebula.widgets.nattable.ui.menu.IMenuItemProvider;
import org.eclipse.nebula.widgets.nattable.ui.menu.PopupMenuBuilder;
import org.eclipse.nebula.widgets.nattable.viewport.ViewportLayer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.widgets.MenuItem;
import ca.odell.glazedlists.EventList;
import ca.odell.glazedlists.GlazedLists;
import ca.odell.glazedlists.SortedList;
import ca.odell.glazedlists.TransformedList;
/**
* Simple example showing how to add the group by feature to the layer
* composition of a grid.
*
* @author Dirk Fauth
*
*/
public class _6052_GroupByCustomTypesExample extends AbstractNatExample {
public static void main(String[] args) throws Exception {
StandaloneNatExampleRunner.run(new _6052_GroupByCustomTypesExample());
}
@Override
public String getDescription() {
return "This example has a 'Group By' region at the top.\n"
+ "If you drag a column header into this region, rows in the grid will be grouped by this column.\n"
+ "If you right-click on the names in the Group By region, you can ungroup by the clicked column.\n"
+ "You can also change the visibility of the Group By region by toggling the visibility via context menu in the corner region."
+ "This example also shows the support for custom data types.";
}
@Override
public Control createExampleControl(Composite parent) {
// create a new ConfigRegistry which will be needed for GlazedLists
// handling
ConfigRegistry configRegistry = new ConfigRegistry();
String[] propertyNames = { "name", "age", "money", "gender", "city" };
// mapping from property to label, needed for column header labels
Map<String, String> propertyToLabelMap = new HashMap<String, String>();
propertyToLabelMap.put("name", "Name");
propertyToLabelMap.put("age", "Age");
propertyToLabelMap.put("money", "Money");
propertyToLabelMap.put("gender", "Gender");
propertyToLabelMap.put("city", "City");
IColumnPropertyAccessor<MyRowObject> columnPropertyAccessor = new ReflectiveColumnPropertyAccessor<MyRowObject>(
propertyNames);
BodyLayerStack<MyRowObject> bodyLayerStack = new BodyLayerStack<MyRowObject>(
createMyRowObjects(50), columnPropertyAccessor);
// add a label accumulator to be able to register converter
bodyLayerStack.getBodyDataLayer().setConfigLabelAccumulator(
new ColumnLabelAccumulator());
// build the column header layer
IDataProvider columnHeaderDataProvider = new DefaultColumnHeaderDataProvider(
propertyNames, propertyToLabelMap);
DataLayer columnHeaderDataLayer = new DefaultColumnHeaderDataLayer(
columnHeaderDataProvider);
ILayer columnHeaderLayer = new ColumnHeaderLayer(columnHeaderDataLayer,
bodyLayerStack, bodyLayerStack.getSelectionLayer());
// build the row header layer
IDataProvider rowHeaderDataProvider = new DefaultRowHeaderDataProvider(
bodyLayerStack.getBodyDataProvider());
DataLayer rowHeaderDataLayer = new DefaultRowHeaderDataLayer(
rowHeaderDataProvider);
ILayer rowHeaderLayer = new RowHeaderLayer(rowHeaderDataLayer,
bodyLayerStack, bodyLayerStack.getSelectionLayer());
// build the corner layer
IDataProvider cornerDataProvider = new DefaultCornerDataProvider(
columnHeaderDataProvider, rowHeaderDataProvider);
DataLayer cornerDataLayer = new DataLayer(cornerDataProvider);
ILayer cornerLayer = new CornerLayer(cornerDataLayer, rowHeaderLayer,
columnHeaderLayer);
// build the grid layer
GridLayer gridLayer = new GridLayer(bodyLayerStack, columnHeaderLayer,
rowHeaderLayer, cornerLayer);
// set the group by header on top of the grid
CompositeLayer compositeGridLayer = new CompositeLayer(1, 2);
final GroupByHeaderLayer groupByHeaderLayer = new GroupByHeaderLayer(
bodyLayerStack.getGroupByModel(), gridLayer,
columnHeaderDataProvider);
compositeGridLayer.setChildLayer(GroupByHeaderLayer.GROUP_BY_REGION,
groupByHeaderLayer, 0, 0);
compositeGridLayer.setChildLayer("Grid", gridLayer, 0, 1);
// turn the auto configuration off as we want to add our header menu
// configuration
NatTable natTable = new NatTable(parent, compositeGridLayer, false);
// as the autoconfiguration of the NatTable is turned off, we have to
// add the
// DefaultNatTableStyleConfiguration and the ConfigRegistry manually
natTable.setConfigRegistry(configRegistry);
natTable.addConfiguration(new DefaultNatTableStyleConfiguration());
// add group by configuration
natTable.addConfiguration(new GroupByHeaderMenuConfiguration(natTable,
groupByHeaderLayer));
natTable.addConfiguration(new MyRowObjectTableConfiguration());
natTable.addConfiguration(new HeaderMenuConfiguration(natTable) {
@Override
protected PopupMenuBuilder createCornerMenu(NatTable natTable) {
return super.createCornerMenu(natTable)
.withStateManagerMenuItemProvider()
.withMenuItemProvider(new IMenuItemProvider() {
@Override
public void addMenuItem(NatTable natTable,
Menu popupMenu) {
MenuItem menuItem = new MenuItem(popupMenu,
SWT.PUSH);
menuItem.setText("Toggle Group By Header"); //$NON-NLS-1$
menuItem.setEnabled(true);
menuItem.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(
SelectionEvent event) {
groupByHeaderLayer
.setVisible(!groupByHeaderLayer
.isVisible());
}
});
}
});
}
});
natTable.configure();
natTable.registerCommandHandler(new DisplayPersistenceDialogCommandHandler(
natTable));
return natTable;
}
/**
* Always encapsulate the body layer stack in an AbstractLayerTransform to
* ensure that the index transformations are performed in later commands.
*
* @param <T>
*/
class BodyLayerStack<T> extends AbstractLayerTransform {
private final SortedList<T> sortedList;
private final IDataProvider bodyDataProvider;
private final GroupByDataLayer<T> bodyDataLayer;
private final SelectionLayer selectionLayer;
private final GroupByModel groupByModel = new GroupByModel();
public BodyLayerStack(List<T> values,
IColumnPropertyAccessor<T> columnPropertyAccessor) {
// wrapping of the list to show into GlazedLists
// see http://publicobject.com/glazedlists/ for further information
EventList<T> eventList = GlazedLists.eventList(values);
TransformedList<T, T> rowObjectsGlazedList = GlazedLists
.threadSafeList(eventList);
// use the SortedList constructor with 'null' for the Comparator
// because the Comparator
// will be set by configuration
sortedList = new SortedList<T>(rowObjectsGlazedList, null);
// Use the GroupByDataLayer instead of the default DataLayer
this.bodyDataLayer = new GroupByDataLayer<T>(getGroupByModel(),
sortedList, columnPropertyAccessor);
// get the IDataProvider that was created by the GroupByDataLayer
this.bodyDataProvider = bodyDataLayer.getDataProvider();
// layer for event handling of GlazedLists and PropertyChanges
GlazedListsEventLayer<T> glazedListsEventLayer = new GlazedListsEventLayer<T>(
bodyDataLayer, sortedList);
this.selectionLayer = new SelectionLayer(glazedListsEventLayer);
// add a tree layer to visualise the grouping
TreeLayer treeLayer = new TreeLayer(selectionLayer,
bodyDataLayer.getTreeRowModel());
ViewportLayer viewportLayer = new ViewportLayer(treeLayer);
setUnderlyingLayer(viewportLayer);
}
public SelectionLayer getSelectionLayer() {
return selectionLayer;
}
public SortedList<T> getSortedList() {
return this.sortedList;
}
public IDataProvider getBodyDataProvider() {
return bodyDataProvider;
}
public DataLayer getBodyDataLayer() {
return bodyDataLayer;
}
public GroupByModel getGroupByModel() {
return groupByModel;
}
}
/**
* Converter for the Gender enumeration of the MyRowObject type
*/
class GenderDisplayConverter extends DisplayConverter {
@Override
public Object canonicalToDisplayValue(Object canonicalValue) {
if (canonicalValue instanceof Gender) {
String result = canonicalValue.toString();
result = result.substring(0, 1)
+ result.substring(1).toLowerCase();
return result;
}
return "";
}
@Override
public Object displayToCanonicalValue(Object displayValue) {
return Gender.valueOf(displayValue.toString().toUpperCase());
}
}
/**
* Converter for the City type
*/
class CityDisplayConverter extends DisplayConverter {
@Override
public Object canonicalToDisplayValue(Object canonicalValue) {
if (canonicalValue instanceof City) {
return ((City) canonicalValue).getPlz() + " "
+ ((City) canonicalValue).getName();
}
return "";
}
@Override
public Object displayToCanonicalValue(Object displayValue) {
// I know there are better ways for conversion, this should only be
// an example
// for a more complex way to convert custom data types
String plz = displayValue.toString().substring(0, 4);
for (City city : possibleCities) {
if (city.getPlz() == Integer.valueOf(plz)) {
return city;
}
}
return null;
}
}
class MyRowObjectTableConfiguration extends AbstractRegistryConfiguration {
@Override
public void configureRegistry(IConfigRegistry configRegistry) {
configRegistry.registerConfigAttribute(
CellConfigAttributes.DISPLAY_CONVERTER,
new DefaultIntegerDisplayConverter(), DisplayMode.NORMAL,
ColumnLabelAccumulator.COLUMN_LABEL_PREFIX + 1);
configRegistry.registerConfigAttribute(
CellConfigAttributes.DISPLAY_CONVERTER,
new DefaultDoubleDisplayConverter(), DisplayMode.NORMAL,
ColumnLabelAccumulator.COLUMN_LABEL_PREFIX + 2);
configRegistry.registerConfigAttribute(
CellConfigAttributes.DISPLAY_CONVERTER,
new GenderDisplayConverter(), DisplayMode.NORMAL,
ColumnLabelAccumulator.COLUMN_LABEL_PREFIX + 3);
configRegistry.registerConfigAttribute(
CellConfigAttributes.DISPLAY_CONVERTER,
new CityDisplayConverter(), DisplayMode.NORMAL,
ColumnLabelAccumulator.COLUMN_LABEL_PREFIX + 4);
}
}
private List<MyRowObject> createMyRowObjects(int amount) {
List<MyRowObject> result = new ArrayList<MyRowObject>();
MyRowObject obj = null;
for (int i = 0; i < amount; i++) {
obj = new MyRowObject();
String[] maleNames = { "Bart", "Homer", "Lenny", "Carl", "Waylon",
"Ned", "Timothy" };
String[] femaleNames = { "Marge", "Lisa", "Maggie", "Edna",
"Helen", "Jessica" };
String[] lastNames = { "Simpson", "Leonard", "Carlson", "Smithers",
"Flanders", "Krabappel", "Lovejoy" };
Random randomGenerator = new Random();
obj.setGender(MyRowObject.Gender.values()[randomGenerator
.nextInt(2)]);
if (obj.getGender().equals(MyRowObject.Gender.MALE)) {
obj.setName(maleNames[randomGenerator.nextInt(maleNames.length)]
+ " "
+ lastNames[randomGenerator.nextInt(lastNames.length)]);
} else {
obj.setName(femaleNames[randomGenerator
.nextInt(femaleNames.length)]
+ " "
+ lastNames[randomGenerator.nextInt(lastNames.length)]);
}
obj.setAge(randomGenerator.nextInt(100));
obj.setMoney(randomGenerator.nextDouble()
* randomGenerator.nextInt(100));
obj.setCity(possibleCities.get(randomGenerator
.nextInt(possibleCities.size())));
result.add(obj);
}
return result;
}
public static class MyRowObject {
enum Gender {
MALE, FEMALE
}
String name;
int age;
double money;
Gender gender;
City city;
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}
public double getMoney() {
return money;
}
public void setMoney(double money) {
this.money = money;
}
public Gender getGender() {
return gender;
}
public void setGender(Gender gender) {
this.gender = gender;
}
public City getCity() {
return city;
}
public void setCity(City city) {
this.city = city;
}
}
private List<City> possibleCities = new ArrayList<City>();
{
possibleCities.add(new City(1111, "Springfield"));
possibleCities.add(new City(2222, "Shelbyville"));
possibleCities.add(new City(3333, "Ogdenville"));
possibleCities.add(new City(4444, "Waverly Hills"));
possibleCities.add(new City(5555, "North Haverbrook"));
possibleCities.add(new City(6666, "Capital City"));
}
public static class City {
final int plz;
final String name;
City(int plz, String name) {
this.plz = plz;
this.name = name;
}
public int getPlz() {
return plz;
}
public String getName() {
return name;
}
// we implement toString() here because the GroupByObject does not know
// about the IDisplayConverter
@Override
public String toString() {
return plz + " " + name;
}
}
}