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/*****************************************************************************
* Copyright (c) 2015, 2020 CEA LIST.
*
* 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:
* Dirk Fauth <dirk.fauth@googlemail.com> - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.nebula.widgets.nattable.examples.e4.part;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.annotation.PostConstruct;
import org.eclipse.jface.layout.GridDataFactory;
import org.eclipse.nebula.widgets.nattable.NatTable;
import org.eclipse.nebula.widgets.nattable.columnChooser.command.DisplayColumnChooserCommandHandler;
import org.eclipse.nebula.widgets.nattable.command.VisualRefreshCommand;
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.ExtendedReflectiveColumnPropertyAccessor;
import org.eclipse.nebula.widgets.nattable.data.IColumnPropertyAccessor;
import org.eclipse.nebula.widgets.nattable.data.IDataProvider;
import org.eclipse.nebula.widgets.nattable.data.convert.DefaultDoubleDisplayConverter;
import org.eclipse.nebula.widgets.nattable.dataset.person.Address;
import org.eclipse.nebula.widgets.nattable.dataset.person.ExtendedPersonWithAddress;
import org.eclipse.nebula.widgets.nattable.dataset.person.Person;
import org.eclipse.nebula.widgets.nattable.dataset.person.Person.Gender;
import org.eclipse.nebula.widgets.nattable.dataset.person.PersonService;
import org.eclipse.nebula.widgets.nattable.examples.e4.AbstractE4NatExamplePart;
import org.eclipse.nebula.widgets.nattable.extension.glazedlists.GlazedListsEventLayer;
import org.eclipse.nebula.widgets.nattable.extension.glazedlists.GlazedListsSortModel;
import org.eclipse.nebula.widgets.nattable.extension.glazedlists.filterrow.DefaultGlazedListsFilterStrategy;
import org.eclipse.nebula.widgets.nattable.extension.glazedlists.groupBy.GroupByConfigAttributes;
import org.eclipse.nebula.widgets.nattable.extension.glazedlists.groupBy.GroupByConfigLabelModifier;
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.extension.glazedlists.groupBy.summary.IGroupBySummaryProvider;
import org.eclipse.nebula.widgets.nattable.extension.glazedlists.groupBy.summary.SummationGroupBySummaryProvider;
import org.eclipse.nebula.widgets.nattable.filterrow.FilterRowHeaderComposite;
import org.eclipse.nebula.widgets.nattable.freeze.CompositeFreezeLayer;
import org.eclipse.nebula.widgets.nattable.freeze.FreezeLayer;
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.DefaultSummaryRowHeaderDataProvider;
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.group.ColumnGroupExpandCollapseLayer;
import org.eclipse.nebula.widgets.nattable.group.ColumnGroupHeaderLayer;
import org.eclipse.nebula.widgets.nattable.group.ColumnGroupModel;
import org.eclipse.nebula.widgets.nattable.group.ColumnGroupReorderLayer;
import org.eclipse.nebula.widgets.nattable.hideshow.ColumnHideShowLayer;
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.ILayerListener;
import org.eclipse.nebula.widgets.nattable.layer.LabelStack;
import org.eclipse.nebula.widgets.nattable.layer.cell.AbstractOverrider;
import org.eclipse.nebula.widgets.nattable.layer.cell.ColumnLabelAccumulator;
import org.eclipse.nebula.widgets.nattable.layer.event.ILayerEvent;
import org.eclipse.nebula.widgets.nattable.layer.event.IVisualChangeEvent;
import org.eclipse.nebula.widgets.nattable.persistence.command.DisplayPersistenceDialogCommandHandler;
import org.eclipse.nebula.widgets.nattable.reorder.ColumnReorderLayer;
import org.eclipse.nebula.widgets.nattable.selection.SelectionLayer;
import org.eclipse.nebula.widgets.nattable.sort.SortHeaderLayer;
import org.eclipse.nebula.widgets.nattable.sort.config.SingleClickSortConfiguration;
import org.eclipse.nebula.widgets.nattable.style.CellStyleAttributes;
import org.eclipse.nebula.widgets.nattable.style.DisplayMode;
import org.eclipse.nebula.widgets.nattable.style.Style;
import org.eclipse.nebula.widgets.nattable.summaryrow.ISummaryProvider;
import org.eclipse.nebula.widgets.nattable.summaryrow.SummaryDisplayConverter;
import org.eclipse.nebula.widgets.nattable.summaryrow.SummaryRowConfigAttributes;
import org.eclipse.nebula.widgets.nattable.summaryrow.SummaryRowLayer;
import org.eclipse.nebula.widgets.nattable.summaryrow.SummationSummaryProvider;
import org.eclipse.nebula.widgets.nattable.tree.TreeLayer;
import org.eclipse.nebula.widgets.nattable.tree.command.TreeCollapseAllCommand;
import org.eclipse.nebula.widgets.nattable.tree.command.TreeExpandAllCommand;
import org.eclipse.nebula.widgets.nattable.ui.menu.AbstractHeaderMenuConfiguration;
import org.eclipse.nebula.widgets.nattable.ui.menu.DebugMenuConfiguration;
import org.eclipse.nebula.widgets.nattable.ui.menu.PopupMenuBuilder;
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.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.graphics.FontData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.layout.RowLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import ca.odell.glazedlists.EventList;
import ca.odell.glazedlists.FilterList;
import ca.odell.glazedlists.GlazedLists;
import ca.odell.glazedlists.SortedList;
import ca.odell.glazedlists.TransformedList;
public class DarkExample extends AbstractE4NatExamplePart {
private static final String ROW_HEADER_SUMMARY_ROW = "rowHeaderSummaryRowLabel";
private IGroupBySummaryProvider<ExtendedPersonWithAddress> sumMoneySummaryProvider;
private IGroupBySummaryProvider<ExtendedPersonWithAddress> avgMoneySummaryProvider;
private boolean useMoneySum = true;
private ColumnGroupModel columnGroupModel = new ColumnGroupModel();
@PostConstruct
public void postConstruct(Composite parent) {
Composite container = new Composite(parent, SWT.NONE);
container.setLayout(new GridLayout());
// create a new ConfigRegistry which will be needed for GlazedLists
// handling
final ConfigRegistry configRegistry = new ConfigRegistry();
// property names of the ExtendedPersonWithAddress class
String[] propertyNames = { "firstName", "lastName", "age", "money",
"married", "gender", "birthday" };
// mapping from property to label, needed for column header labels
Map<String, String> propertyToLabelMap = new HashMap<>();
propertyToLabelMap.put("firstName", "Firstname");
propertyToLabelMap.put("lastName", "Lastname");
propertyToLabelMap.put("age", "Age");
propertyToLabelMap.put("money", "Money");
propertyToLabelMap.put("married", "Married");
propertyToLabelMap.put("gender", "Gender");
propertyToLabelMap.put("birthday", "Birthday");
final IColumnPropertyAccessor<ExtendedPersonWithAddress> columnPropertyAccessor =
new ExtendedReflectiveColumnPropertyAccessor<>(propertyNames);
// to enable the group by summary feature, the GroupByDataLayer needs to
// know the ConfigRegistry
final BodyLayerStack<ExtendedPersonWithAddress> bodyLayerStack =
new BodyLayerStack<>(
PersonService.getExtendedPersonsWithAddress(10),
columnPropertyAccessor,
configRegistry);
bodyLayerStack.getBodyDataLayer().setConfigLabelAccumulator(
new ColumnLabelAccumulator(bodyLayerStack.getBodyDataProvider()));
// build the column header layer
IDataProvider columnHeaderDataProvider =
new DefaultColumnHeaderDataProvider(propertyNames, propertyToLabelMap);
DataLayer columnHeaderDataLayer =
new DefaultColumnHeaderDataLayer(columnHeaderDataProvider);
ColumnHeaderLayer columnHeaderLayer =
new ColumnHeaderLayer(columnHeaderDataLayer, bodyLayerStack, bodyLayerStack.getSelectionLayer());
// add sorting
SortHeaderLayer<ExtendedPersonWithAddress> sortHeaderLayer = new SortHeaderLayer<>(
columnHeaderLayer,
new GlazedListsSortModel<>(
bodyLayerStack.getSortedList(),
columnPropertyAccessor,
configRegistry,
columnHeaderDataLayer),
false);
// connect sortModel to GroupByDataLayer to support sorting by group by
// summary values
bodyLayerStack.getBodyDataLayer().initializeTreeComparator(
sortHeaderLayer.getSortModel(),
bodyLayerStack.getTreeLayer(),
true);
ColumnGroupHeaderLayer columnGroupHeaderLayer = new ColumnGroupHeaderLayer(
sortHeaderLayer,
bodyLayerStack.getSelectionLayer(),
columnGroupModel);
columnGroupHeaderLayer.setCalculateHeight(true);
// add the filter row functionality
final FilterRowHeaderComposite<ExtendedPersonWithAddress> filterRowHeaderLayer =
new FilterRowHeaderComposite<>(
new DefaultGlazedListsFilterStrategy<>(
bodyLayerStack.getFilterList(),
columnPropertyAccessor,
configRegistry),
columnGroupHeaderLayer,
columnHeaderDataLayer.getDataProvider(),
configRegistry);
// Row header
// Adding the specialized DefaultSummaryRowHeaderDataProvider to
// indicate the summary row in the row header
IDataProvider rowHeaderDataProvider =
new DefaultSummaryRowHeaderDataProvider(bodyLayerStack.getBodyDataLayer().getDataProvider(), "\u2211");
final DataLayer rowHeaderDataLayer =
new DefaultRowHeaderDataLayer(rowHeaderDataProvider);
// add a label to the row header summary row cell aswell, so it can be
// styled differently too
// in this case it will simply use the same styling as the summary row
// in the body
rowHeaderDataLayer.setConfigLabelAccumulator(new AbstractOverrider() {
@Override
public void accumulateConfigLabels(LabelStack configLabels, int columnPosition, int rowPosition) {
if ((rowPosition + 1) == rowHeaderDataLayer.getRowCount()) {
configLabels.addLabel(ROW_HEADER_SUMMARY_ROW);
configLabels.addLabel(SummaryRowLayer.DEFAULT_SUMMARY_ROW_CONFIG_LABEL);
}
}
@Override
public Collection<String> getProvidedLabels() {
// make the custom labels available for the CSS engine
Collection<String> result = super.getProvidedLabels();
result.add(ROW_HEADER_SUMMARY_ROW);
result.add(SummaryRowLayer.DEFAULT_SUMMARY_ROW_CONFIG_LABEL);
return result;
}
});
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, filterRowHeaderLayer);
// build the grid layer
GridLayer gridLayer = new GridLayer(bodyLayerStack, filterRowHeaderLayer, 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
final NatTable natTable = new NatTable(container, 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 sorting configuration
natTable.addConfiguration(new SingleClickSortConfiguration());
sumMoneySummaryProvider =
new SummationGroupBySummaryProvider<>(columnPropertyAccessor);
avgMoneySummaryProvider =
new AverageMoneyGroupBySummaryProvider();
// add group by summary configuration
natTable.addConfiguration(new AbstractRegistryConfiguration() {
@Override
public void configureRegistry(IConfigRegistry configRegistry) {
configRegistry.registerConfigAttribute(
GroupByConfigAttributes.GROUP_BY_SUMMARY_PROVIDER,
sumMoneySummaryProvider,
DisplayMode.NORMAL,
GroupByDataLayer.GROUP_BY_COLUMN_PREFIX + 3);
configRegistry.registerConfigAttribute(
GroupByConfigAttributes.GROUP_BY_SUMMARY_PROVIDER,
new AverageAgeGroupBySummaryProvider(),
DisplayMode.NORMAL,
GroupByDataLayer.GROUP_BY_COLUMN_PREFIX + 2);
configRegistry.registerConfigAttribute(
GroupByConfigAttributes.GROUP_BY_CHILD_COUNT_PATTERN,
"[{0}] - ({1})");
configRegistry.registerConfigAttribute(
GroupByConfigAttributes.GROUP_BY_HINT,
"Drag columns here");
// Note: GroupBy hint styling needs to be done programmatically
// for now because we don't want to introduce a dependency
// from CSS to GlazedLists. In a future version of NatTable the
// basic GroupBy configurations will be moved to core
// to make it possible to generate general configurations
// without such a dependency.
Style hintStyle = new Style();
hintStyle.setAttributeValue(
CellStyleAttributes.FONT,
GUIHelper.getFont(new FontData("Arial", 10, SWT.ITALIC)));
hintStyle.setAttributeValue(
CellStyleAttributes.BACKGROUND_COLOR,
GUIHelper.COLOR_BLACK);
hintStyle.setAttributeValue(
CellStyleAttributes.FOREGROUND_COLOR,
GUIHelper.COLOR_WIDGET_DARK_SHADOW);
configRegistry.registerConfigAttribute(
GroupByConfigAttributes.GROUP_BY_HINT_STYLE,
hintStyle);
configRegistry.registerConfigAttribute(
GroupByConfigAttributes.GROUP_BY_HEADER_BACKGROUND_COLOR,
GUIHelper.COLOR_BLACK);
configRegistry.registerConfigAttribute(
SummaryRowConfigAttributes.SUMMARY_PROVIDER,
new SummationSummaryProvider(bodyLayerStack.bodyDataProvider, false),
DisplayMode.NORMAL,
SummaryRowLayer.DEFAULT_SUMMARY_COLUMN_CONFIG_LABEL_PREFIX + 3);
configRegistry.registerConfigAttribute(
SummaryRowConfigAttributes.SUMMARY_PROVIDER,
new AverageAgeSummaryProvider(bodyLayerStack.bodyDataProvider),
DisplayMode.NORMAL,
SummaryRowLayer.DEFAULT_SUMMARY_COLUMN_CONFIG_LABEL_PREFIX + 2);
configRegistry.registerConfigAttribute(
CellConfigAttributes.DISPLAY_CONVERTER,
new SummaryDisplayConverter(new DefaultDoubleDisplayConverter()),
DisplayMode.NORMAL,
SummaryRowLayer.DEFAULT_SUMMARY_COLUMN_CONFIG_LABEL_PREFIX + 3);
}
});
// add group by header configuration
natTable.addConfiguration(new GroupByHeaderMenuConfiguration(natTable, groupByHeaderLayer));
natTable.addConfiguration(new AbstractHeaderMenuConfiguration(natTable) {
@Override
protected PopupMenuBuilder createColumnHeaderMenu(NatTable natTable) {
return super.createColumnHeaderMenu(natTable)
.withHideColumnMenuItem()
.withShowAllColumnsMenuItem()
.withColumnChooserMenuItem()
.withCreateColumnGroupsMenuItem()
.withUngroupColumnsMenuItem()
.withAutoResizeSelectedColumnsMenuItem()
.withColumnRenameDialog()
.withClearAllFilters()
.withStateManagerMenuItemProvider()
.withInspectLabelsMenuItem();
}
@Override
protected PopupMenuBuilder createCornerMenu(NatTable natTable) {
return super.createCornerMenu(natTable)
.withShowAllColumnsMenuItem()
.withStateManagerMenuItemProvider();
}
});
natTable.addConfiguration(new DebugMenuConfiguration(natTable));
natTable.configure();
natTable.registerCommandHandler(
new DisplayPersistenceDialogCommandHandler(natTable));
DisplayColumnChooserCommandHandler columnChooserCommandHandler =
new DisplayColumnChooserCommandHandler(
bodyLayerStack.getSelectionLayer(),
bodyLayerStack.getColumnHideShowLayer(),
columnHeaderLayer,
columnHeaderDataLayer,
null,
null);
natTable.registerCommandHandler(columnChooserCommandHandler);
GridDataFactory.fillDefaults().grab(true, true).applyTo(natTable);
Composite buttonPanel = new Composite(container, SWT.NONE);
buttonPanel.setLayout(new RowLayout());
GridDataFactory.fillDefaults().grab(true, false).applyTo(buttonPanel);
Button toggleHeaderButton = new Button(buttonPanel, SWT.PUSH);
toggleHeaderButton.setText("Toggle Group By Header");
toggleHeaderButton.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
groupByHeaderLayer.setVisible(!groupByHeaderLayer.isVisible());
}
});
Button toggleFilterButton = new Button(buttonPanel, SWT.PUSH);
toggleFilterButton.setText("Toggle Filter Row");
toggleFilterButton.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
filterRowHeaderLayer.setFilterRowVisible(!filterRowHeaderLayer.isFilterRowVisible());
}
});
Button collapseAllButton = new Button(buttonPanel, SWT.PUSH);
collapseAllButton.setText("Collapse All");
collapseAllButton.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
natTable.doCommand(new TreeCollapseAllCommand());
}
});
Button expandAllButton = new Button(buttonPanel, SWT.PUSH);
expandAllButton.setText("Expand All");
expandAllButton.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
natTable.doCommand(new TreeExpandAllCommand());
}
});
Button toggleMoneySummaryButton = new Button(buttonPanel, SWT.PUSH);
toggleMoneySummaryButton.setText("Toggle Money Group Summary (SUM/AVG)");
toggleMoneySummaryButton.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
// clear the group by summary cache so the new summary
// calculation gets triggered
bodyLayerStack.getBodyDataLayer().clearCache();
useMoneySum =
!useMoneySum;
if (useMoneySum) {
configRegistry.registerConfigAttribute(
GroupByConfigAttributes.GROUP_BY_SUMMARY_PROVIDER,
sumMoneySummaryProvider,
DisplayMode.NORMAL,
GroupByDataLayer.GROUP_BY_COLUMN_PREFIX + 3);
} else {
configRegistry.registerConfigAttribute(
GroupByConfigAttributes.GROUP_BY_SUMMARY_PROVIDER,
avgMoneySummaryProvider,
DisplayMode.NORMAL,
GroupByDataLayer.GROUP_BY_COLUMN_PREFIX + 3);
}
natTable.doCommand(new VisualRefreshCommand());
}
});
// this button adds data to the grid
// try to group by last name, sort by last name desc and then add
// dynamic data for verification
Button addDynamicDataButton = new Button(buttonPanel, SWT.PUSH);
addDynamicDataButton.setText("Add Data");
addDynamicDataButton.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
Address address = new Address();
address.setStreet("Some Street");
address.setHousenumber(42);
address.setPostalCode(12345);
address.setCity("In the clouds");
Person person = new Person(42, "Ralph", "Wiggum", Gender.MALE, false, new Date());
ExtendedPersonWithAddress entry = new ExtendedPersonWithAddress(person, address,
"0000", "The little Ralphy", PersonService.createRandomMoneyAmount(),
new ArrayList<String>(), new ArrayList<String>());
bodyLayerStack.getEventList().add(entry);
person = new Person(42, "Clancy", "Wiggum", Gender.MALE, true, new Date());
entry = new ExtendedPersonWithAddress(person, address,
"XXXL", "It is Chief Wiggum", PersonService.createRandomMoneyAmount(),
new ArrayList<String>(), new ArrayList<String>());
bodyLayerStack.getEventList().add(entry);
person = new Person(42, "Sarah", "Wiggum", Gender.FEMALE, true, new Date());
entry = new ExtendedPersonWithAddress(person, address,
"mommy", "Little Ralphy's mother", PersonService.createRandomMoneyAmount(),
new ArrayList<String>(), new ArrayList<String>());
bodyLayerStack.getEventList().add(entry);
}
});
natTable.setData("org.eclipse.e4.ui.css.CssClassName", "dark");
showSourceLinks(container, getClass().getName());
}
/**
* 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 EventList<T> eventList;
private final SortedList<T> sortedList;
private final FilterList<T> filterList;
private final IDataProvider bodyDataProvider;
private final GroupByDataLayer<T> bodyDataLayer;
private final ColumnHideShowLayer columnHideShowLayer;
private final SelectionLayer selectionLayer;
private final TreeLayer treeLayer;
private final GroupByModel groupByModel = new GroupByModel();
public BodyLayerStack(List<T> values,
IColumnPropertyAccessor<T> columnPropertyAccessor,
ConfigRegistry configRegistry) {
// wrapping of the list to show into GlazedLists
// see http://publicobject.com/glazedlists/ for further information
this.eventList = GlazedLists.eventList(values);
TransformedList<T, T> rowObjectsGlazedList = GlazedLists.threadSafeList(this.eventList);
// use the SortedList constructor with 'null' for the Comparator
// because the Comparator
// will be set by configuration
this.sortedList = new SortedList<>(rowObjectsGlazedList, null);
// wrap the SortedList with the FilterList
this.filterList = new FilterList<>(this.sortedList);
// Use the GroupByDataLayer instead of the default DataLayer
this.bodyDataLayer = new GroupByDataLayer<>(
getGroupByModel(),
this.filterList,
columnPropertyAccessor,
configRegistry);
// get the IDataProvider that was created by the GroupByDataLayer
this.bodyDataProvider = this.bodyDataLayer.getDataProvider();
// layer for event handling of GlazedLists and PropertyChanges
GlazedListsEventLayer<T> glazedListsEventLayer =
new GlazedListsEventLayer<>(this.bodyDataLayer, this.filterList);
// NOTE:
// we need to tell the GroupByDataLayer to clear its cache if
// a IVisualChangeEvent occurs. This is necessary because the
// GlazedListsEventLayer transforms GlazedLists change events to
// NatTable change events and fires the event the layer stack
// upwards. But as it sits on top of the GroupByDataLayer, the
// GroupByDataLayer never gets informed about the change.
glazedListsEventLayer.addLayerListener(new ILayerListener() {
@Override
public void handleLayerEvent(ILayerEvent event) {
if (event instanceof IVisualChangeEvent) {
BodyLayerStack.this.bodyDataLayer.clearCache();
}
}
});
SummaryRowLayer summaryRowLayer =
new SummaryRowLayer(glazedListsEventLayer, configRegistry, false);
ColumnReorderLayer columnReorderLayer =
new ColumnReorderLayer(summaryRowLayer);
ColumnGroupReorderLayer columnGroupReorderLayer =
new ColumnGroupReorderLayer(
columnReorderLayer,
columnGroupModel);
this.columnHideShowLayer =
new ColumnHideShowLayer(columnGroupReorderLayer);
ColumnGroupExpandCollapseLayer columnGroupExpandCollapseLayer =
new ColumnGroupExpandCollapseLayer(
this.columnHideShowLayer,
columnGroupModel);
this.selectionLayer = new SelectionLayer(columnGroupExpandCollapseLayer);
// add a tree layer to visualise the grouping
this.treeLayer = new TreeLayer(this.selectionLayer, this.bodyDataLayer.getTreeRowModel());
this.treeLayer.setConfigLabelAccumulator(new GroupByConfigLabelModifier(getGroupByModel()));
ViewportLayer viewportLayer = new ViewportLayer(this.treeLayer);
// this will avoid tree specific rendering regarding alignment and
// indentation in case no grouping is active
viewportLayer.setConfigLabelAccumulator(new GroupByConfigLabelModifier(getGroupByModel()));
FreezeLayer freezeLayer = new FreezeLayer(this.treeLayer);
CompositeFreezeLayer compositeFreezeLayer =
new CompositeFreezeLayer(freezeLayer, viewportLayer, this.selectionLayer);
setUnderlyingLayer(compositeFreezeLayer);
}
public ColumnHideShowLayer getColumnHideShowLayer() {
return this.columnHideShowLayer;
}
public TreeLayer getTreeLayer() {
return this.treeLayer;
}
public SelectionLayer getSelectionLayer() {
return this.selectionLayer;
}
public EventList<T> getEventList() {
return this.eventList;
}
public SortedList<T> getSortedList() {
return this.sortedList;
}
public FilterList<T> getFilterList() {
return this.filterList;
}
public IDataProvider getBodyDataProvider() {
return this.bodyDataProvider;
}
public GroupByDataLayer<T> getBodyDataLayer() {
return this.bodyDataLayer;
}
public GroupByModel getGroupByModel() {
return this.groupByModel;
}
}
/**
* Example implementation for a typed IGroupBySummaryProvider that
* calculates the average age of ExtendedPersonWithAddress objects in a
* grouping.
*/
class AverageAgeGroupBySummaryProvider implements IGroupBySummaryProvider<ExtendedPersonWithAddress> {
@Override
public Object summarize(int columnIndex, List<ExtendedPersonWithAddress> children) {
int summaryValue = 0;
for (ExtendedPersonWithAddress child : children) {
summaryValue += child.getAge();
}
return summaryValue / (children.size() > 0 ? children.size() : 1);
}
}
/**
* Example implementation for a typed IGroupBySummaryProvider that
* calculates the average money of ExtendedPersonWithAddress objects in a
* grouping.
*/
class AverageMoneyGroupBySummaryProvider implements IGroupBySummaryProvider<ExtendedPersonWithAddress> {
@Override
public Object summarize(int columnIndex, List<ExtendedPersonWithAddress> children) {
int summaryValue = 0;
for (ExtendedPersonWithAddress child : children) {
summaryValue += child.getMoney();
}
return summaryValue / (children.size() > 0 ? children.size() : 1);
}
}
/**
* Example implementation for a ISummaryProvider that calculates the average
* age of ExtendedPersonWithAddress objects.
*/
class AverageAgeSummaryProvider implements ISummaryProvider {
private IDataProvider dataProvider;
public AverageAgeSummaryProvider(IDataProvider dataProvider) {
this.dataProvider = dataProvider;
}
@Override
public Object summarize(int columnIndex) {
double total = 0;
int rowCount = dataProvider.getRowCount();
int valueRows = 0;
for (int rowIndex = 0; rowIndex < rowCount; rowIndex++) {
Object dataValue = dataProvider.getDataValue(columnIndex, rowIndex);
// this check is necessary because of the GroupByObject
if (dataValue instanceof Number) {
total = total + Double.parseDouble(dataValue.toString());
valueRows++;
}
}
return "Avg: " + String.format("%.2f", total / (valueRows > 0 ? valueRows : 1));
}
}
/**
* Example implementation for a ISummaryProvider that calculates the average
* money of ExtendedPersonWithAddress objects.
*/
class AverageMoneySummaryProvider implements ISummaryProvider {
private IDataProvider dataProvider;
public AverageMoneySummaryProvider(IDataProvider dataProvider) {
this.dataProvider = dataProvider;
}
@Override
public Object summarize(int columnIndex) {
double total = 0;
int rowCount = dataProvider.getRowCount();
int valueRows = 0;
for (int rowIndex = 0; rowIndex < rowCount; rowIndex++) {
Object dataValue = dataProvider.getDataValue(columnIndex, rowIndex);
// this check is necessary because of the GroupByObject
if (dataValue instanceof Number) {
total = total + Double.parseDouble(dataValue.toString());
valueRows++;
}
}
return "Avg: " + String.format("%.2f", total / (valueRows > 0 ? valueRows : 1));
}
}
}