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/**
* DataCleaner (community edition)
* Copyright (C) 2014 Free Software Foundation, Inc.
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*/
package org.datacleaner.widgets.tree;
import java.awt.Component;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.Comparator;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import javax.inject.Inject;
import javax.swing.Icon;
import javax.swing.ImageIcon;
import javax.swing.JComponent;
import javax.swing.JToolTip;
import javax.swing.JTree;
import javax.swing.SwingWorker;
import javax.swing.ToolTipManager;
import javax.swing.border.EmptyBorder;
import javax.swing.event.TreeExpansionEvent;
import javax.swing.event.TreeWillExpandListener;
import javax.swing.tree.DefaultMutableTreeNode;
import javax.swing.tree.DefaultTreeModel;
import javax.swing.tree.ExpandVetoException;
import javax.swing.tree.TreeCellRenderer;
import javax.swing.tree.TreeNode;
import javax.swing.tree.TreePath;
import org.apache.metamodel.MetaModelHelper;
import org.apache.metamodel.schema.Column;
import org.apache.metamodel.schema.Schema;
import org.apache.metamodel.schema.Table;
import org.datacleaner.api.ComponentCategory;
import org.datacleaner.api.ComponentSuperCategory;
import org.datacleaner.bootstrap.WindowContext;
import org.datacleaner.configuration.DataCleanerConfiguration;
import org.datacleaner.connection.Datastore;
import org.datacleaner.connection.DatastoreConnection;
import org.datacleaner.connection.SchemaNavigator;
import org.datacleaner.descriptors.ComponentDescriptor;
import org.datacleaner.descriptors.DescriptorProvider;
import org.datacleaner.descriptors.DescriptorProviderListener;
import org.datacleaner.guice.InjectorBuilder;
import org.datacleaner.guice.Nullable;
import org.datacleaner.job.builder.AnalysisJobBuilder;
import org.datacleaner.panels.DCPanel;
import org.datacleaner.util.DragDropUtils;
import org.datacleaner.util.IconUtils;
import org.datacleaner.util.ImageManager;
import org.datacleaner.util.SchemaComparator;
import org.datacleaner.util.StringUtils;
import org.datacleaner.util.WidgetScreenResolutionAdjuster;
import org.datacleaner.util.WidgetUtils;
import org.datacleaner.widgets.DCLabel;
import org.datacleaner.widgets.DescriptorMenuBuilder;
import org.datacleaner.widgets.DescriptorMenuBuilder.MenuCallback;
import org.datacleaner.widgets.tooltip.DCToolTip;
import org.jdesktop.swingx.JXTree;
import org.jdesktop.swingx.VerticalLayout;
import org.jdesktop.swingx.renderer.DefaultTreeRenderer;
import org.jdesktop.swingx.renderer.WrappingIconPanel;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.google.inject.Injector;
public class SchemaTree extends JXTree implements TreeWillExpandListener, TreeCellRenderer, DescriptorProviderListener {
private final WidgetScreenResolutionAdjuster adjuster = WidgetScreenResolutionAdjuster.get();
class LoadTablesSwingWorker extends SwingWorker {
private final DefaultMutableTreeNode _schemaNode;
public LoadTablesSwingWorker(final DefaultMutableTreeNode schemaNode) {
_schemaNode = schemaNode;
}
public boolean isNeeded() {
if (_schemaNode.getChildCount() == 1) {
final DefaultMutableTreeNode child = (DefaultMutableTreeNode) _schemaNode.getChildAt(0);
if (LOADING_TABLES_STRING.equals(child.getUserObject())) {
return true;
}
}
return false;
}
public void executeBlockingly() {
if (!isNeeded()) {
return;
}
final Schema schema = (Schema) _schemaNode.getUserObject();
final List
tables = schema.getTables();
for (final Table table : tables) {
final String name = table.getName();
logger.debug("Building table node: {}", name);
final DefaultMutableTreeNode tableNode = new DefaultMutableTreeNode(table);
final DefaultMutableTreeNode loadingColumnsNode = new DefaultMutableTreeNode(LOADING_COLUMNS_STRING);
tableNode.add(loadingColumnsNode);
_schemaNode.add(tableNode);
}
_schemaNode.remove(0);
}
@Override
protected Void doInBackground() throws Exception {
final Schema schema = (Schema) _schemaNode.getUserObject();
final List
tables = schema.getTables();
for (final Table table : tables) {
final String name = table.getName();
logger.debug("Publishing table name: {}", name);
publish(table);
}
return null;
}
@Override
protected void process(final List
chunks) {
for (final Table table : chunks) {
final DefaultMutableTreeNode tableNode = new DefaultMutableTreeNode(table);
final DefaultMutableTreeNode loadingColumnsNode = new DefaultMutableTreeNode(LOADING_COLUMNS_STRING);
tableNode.add(loadingColumnsNode);
_schemaNode.add(tableNode);
}
updateUI();
}
protected void done() {
_schemaNode.remove(0);
updateUI();
}
}
class LoadColumnsSwingWorker extends SwingWorker {
private final DefaultMutableTreeNode _tableNode;
public LoadColumnsSwingWorker(final TreePath path, final DefaultMutableTreeNode tableNode) {
_tableNode = tableNode;
}
@Override
protected Void doInBackground() throws Exception {
final Table table = (Table) _tableNode.getUserObject();
final List columns = table.getColumns();
for (final Column column : columns) {
final String name = column.getName();
logger.debug("Publishing column name: {}", name);
publish(column);
}
return null;
}
protected void process(final List chunks) {
for (final Column column : chunks) {
final DefaultMutableTreeNode columnNode = new DefaultMutableTreeNode(column);
_tableNode.add(columnNode);
}
updateUI();
}
protected void done() {
_tableNode.remove(0);
updateUI();
}
}
public static final String LOADING_TABLES_STRING = "Loading tables...";
public static final String LOADING_COLUMNS_STRING = "Loading columns...";
public static final String UNNAMED_SCHEMA_STRING = "(unnamed schema)";
public static final String LIBRARY_STRING = "Library";
public static final String ROOT_NODE_STRING = "Schemas";
private static final long serialVersionUID = 7763827443642264329L;
private static final Logger logger = LoggerFactory.getLogger(SchemaTree.class);
private static final String NO_COMPONENTS_FOUND_SEARCH_RESULT = "No components found matching search criteria.";
private final Datastore _datastore;
private final TreeCellRenderer _rendererDelegate;
private final WindowContext _windowContext;
private final AnalysisJobBuilder _analysisJobBuilder;
private final InjectorBuilder _injectorBuilder;
private final DataCleanerConfiguration _configuration;
private boolean _includeLibraryNode = true;
private DatastoreConnection _datastoreConnection;
private String _searchTerm = "";
@Inject
protected SchemaTree(final Datastore datastore, @Nullable final AnalysisJobBuilder analysisJobBuilder,
final DataCleanerConfiguration configuration, final WindowContext windowContext,
final InjectorBuilder injectorBuilder) {
super();
if (datastore == null) {
throw new IllegalArgumentException("Datastore cannot be null");
}
_datastore = datastore;
_windowContext = windowContext;
_analysisJobBuilder = analysisJobBuilder;
_configuration = configuration;
_injectorBuilder = injectorBuilder;
_datastoreConnection = datastore.openConnection();
_rendererDelegate = new DefaultTreeRenderer();
ToolTipManager.sharedInstance().registerComponent(this);
setCellRenderer(this);
setOpaque(false);
setRootVisible(false);
setRowHeight(adjuster.adjust(22));
addTreeWillExpandListener(this);
setDragEnabled(true);
setTransferHandler(DragDropUtils.createSourceTransferHandler());
}
private static String normalizeStringForMatching(final String str) {
if (str == null) {
return "";
}
return StringUtils.replaceWhitespaces(str, "").toLowerCase();
}
@Override
public void addNotify() {
super.addNotify();
_configuration.getEnvironment().getDescriptorProvider().addListener(this);
final Injector injector = _injectorBuilder.with(SchemaTree.class, this).createInjector();
if (_analysisJobBuilder != null) {
addMouseListener(new MouseAdapter() {
@Override
public void mouseClicked(final MouseEvent e) {
if (e.getButton() == MouseEvent.BUTTON2 || e.getButton() == MouseEvent.BUTTON3) {
setSelectionPath(getPathForLocation(e.getX(), e.getY()));
}
}
});
addMouseListener(injector.getInstance(SchemaMouseListener.class));
addMouseListener(injector.getInstance(TableMouseListener.class));
addMouseListener(injector.getInstance(ColumnMouseListener.class));
addMouseListener(injector.getInstance(ComponentDescriptorMouseListener.class));
}
updateTree();
}
@Override
public void removeNotify() {
super.removeNotify();
_configuration.getEnvironment().getDescriptorProvider().removeListener(this);
final MouseListener[] mouseListeners = getMouseListeners();
for (final MouseListener mouseListener : mouseListeners) {
removeMouseListener(mouseListener);
}
_datastoreConnection.close();
}
public void expandSelectedData() {
if (_analysisJobBuilder == null) {
// do nothing
return;
}
final List
tables = _analysisJobBuilder.getSourceTables();
for (final Table table : tables) {
expandTable(table);
}
}
public void expandTable(final Table table) {
final DefaultMutableTreeNode treeNode = getTreeNode(table);
if (treeNode == null) {
return;
}
final TreeNode[] pathElements = treeNode.getPath();
final TreePath path = new TreePath(pathElements);
expandPath(path);
}
public void expandStandardPaths() {
final TreeNode root = (TreeNode) getModel().getRoot();
final DefaultMutableTreeNode schemaNode = (DefaultMutableTreeNode) root.getChildAt(0);
final DefaultMutableTreeNode libraryNode = (DefaultMutableTreeNode) root.getChildAt(1);
expandPath(new TreePath(schemaNode.getPath()));
expandPath(new TreePath(libraryNode.getPath()));
}
public DefaultMutableTreeNode getTreeNode(final Schema schema) {
if (schema == null) {
return null;
}
final TreeNode root = (TreeNode) getModel().getRoot();
for (int i = 0; i < root.getChildCount(); i++) {
final DefaultMutableTreeNode child = (DefaultMutableTreeNode) root.getChildAt(0).getChildAt(i);
final Object userObject = child.getUserObject();
if (schema.equals(userObject)) {
return child;
}
}
return null;
}
public DefaultMutableTreeNode getTreeNode(final Table table) {
if (table == null) {
return null;
}
final DefaultMutableTreeNode schemaNode = getTreeNode(table.getSchema());
if (schemaNode == null) {
return null;
}
final LoadTablesSwingWorker worker = new LoadTablesSwingWorker(schemaNode);
worker.executeBlockingly();
for (int i = 0; i < schemaNode.getChildCount(); i++) {
final DefaultMutableTreeNode child = (DefaultMutableTreeNode) schemaNode.getChildAt(i);
final Object userObject = child.getUserObject();
if (table.equals(userObject)) {
return child;
}
}
return null;
}
public WindowContext getWindowContext() {
return _windowContext;
}
private void updateTree() {
final DefaultMutableTreeNode rootNode = new DefaultMutableTreeNode();
final DefaultMutableTreeNode datastoreNode = new DefaultMutableTreeNode();
rootNode.add(datastoreNode);
datastoreNode.setUserObject(_datastoreConnection.getDatastore());
final SchemaNavigator schemaNavigator = _datastoreConnection.getSchemaNavigator();
schemaNavigator.refreshSchemas();
final Schema[] schemas = schemaNavigator.getSchemas();
// make sure that information schemas are arranged at the top
Arrays.sort(schemas, new SchemaComparator());
for (final Schema schema : schemas) {
final DefaultMutableTreeNode schemaNode = new DefaultMutableTreeNode(schema);
schemaNode.add(new DefaultMutableTreeNode(LOADING_TABLES_STRING));
datastoreNode.add(schemaNode);
}
if (_includeLibraryNode) {
final DefaultMutableTreeNode libraryRoot = new DefaultMutableTreeNode(LIBRARY_STRING);
createLibrary(libraryRoot);
rootNode.add(libraryRoot);
}
final DefaultTreeModel treeModel = new DefaultTreeModel(rootNode);
setModel(treeModel);
}
private DefaultMutableTreeNode createLibrary(final DefaultMutableTreeNode libraryRoot) {
final DescriptorProvider descriptorProvider = _configuration.getEnvironment().getDescriptorProvider();
final Set superCategories = descriptorProvider.getComponentSuperCategories();
for (final ComponentSuperCategory superCategory : superCategories) {
final DefaultMutableTreeNode superCategoryNode = new DefaultMutableTreeNode(superCategory);
final Collection> componentDescriptors =
descriptorProvider.getComponentDescriptorsOfSuperCategory(superCategory);
final List> filteredComponentDescriptors = new ArrayList<>();
for (final ComponentDescriptor componentDescriptor : componentDescriptors) {
if (matchesSearchTerm(componentDescriptor)) {
filteredComponentDescriptors.add(componentDescriptor);
}
}
if (filteredComponentDescriptors.size() > 0) {
libraryRoot.add(superCategoryNode);
}
final Map categoryTreeNodes = new HashMap<>();
final MenuCallback menuCallback = new MenuCallback() {
@Override
public void addCategory(final ComponentCategory category) {
final DefaultMutableTreeNode treeNode = new SortedDefaultMutableTreeModel(category);
categoryTreeNodes.put(category, treeNode);
superCategoryNode.add(treeNode);
}
@Override
public void addComponentDescriptor(final ComponentDescriptor descriptor) {
boolean placedInSubmenu = false;
for (final ComponentCategory category : descriptor.getComponentCategories()) {
if (categoryTreeNodes.containsKey(category)) {
placedInSubmenu = true;
final DefaultMutableTreeNode treeNode = new DefaultMutableTreeNode(descriptor);
categoryTreeNodes.get(category).add(treeNode);
}
}
if (!placedInSubmenu) {
superCategoryNode.add(new DefaultMutableTreeNode(descriptor));
}
}
};
final Comparator> comparatorDescriptor =
(o1, o2) -> o1.getDisplayName().compareTo(o2.getDisplayName());
Collections.sort(filteredComponentDescriptors, comparatorDescriptor);
DescriptorMenuBuilder.createMenuStructure(menuCallback, filteredComponentDescriptors);
}
if (libraryRoot.getChildCount() == 0) {
libraryRoot.add(new DefaultMutableTreeNode(NO_COMPONENTS_FOUND_SEARCH_RESULT));
}
return libraryRoot;
}
private boolean matchesSearchTerm(final ComponentDescriptor componentDescriptor) {
final String searchTerm = normalizeStringForMatching(_searchTerm);
if (searchTerm.isEmpty()) {
return true;
}
final String displayName = normalizeStringForMatching(componentDescriptor.getDisplayName());
if (displayName.contains(searchTerm)) {
return true;
}
final String description = normalizeStringForMatching(componentDescriptor.getDescription());
if (description.contains(searchTerm)) {
return true;
}
final String[] aliases = componentDescriptor.getAliases();
for (String alias : aliases) {
alias = normalizeStringForMatching(alias);
if (alias.contains(searchTerm)) {
return true;
}
}
final Set categories = componentDescriptor.getComponentCategories();
for (final ComponentCategory category : categories) {
final String categoryString = normalizeStringForMatching(category.getName());
if (categoryString.contains(searchTerm)) {
return true;
}
}
return false;
}
public void treeWillCollapse(final TreeExpansionEvent event) throws ExpandVetoException {
if (event.getPath().getPathCount() == 2) {
throw new ExpandVetoException(event);
}
}
public void treeWillExpand(final TreeExpansionEvent event) throws ExpandVetoException {
final TreePath path = event.getPath();
final DefaultMutableTreeNode lastTreeNode = (DefaultMutableTreeNode) path.getLastPathComponent();
SwingWorker worker = null;
if (lastTreeNode.getChildCount() == 1) {
final DefaultMutableTreeNode firstChildNode = (DefaultMutableTreeNode) lastTreeNode.getChildAt(0);
if (firstChildNode.getUserObject() == LOADING_TABLES_STRING) {
// Load a schema's tables
worker = new LoadTablesSwingWorker(lastTreeNode);
} else if (firstChildNode.getUserObject() == LOADING_COLUMNS_STRING) {
// Load a table's columns
worker = new LoadColumnsSwingWorker(path, lastTreeNode);
}
}
if (worker != null) {
worker.execute();
}
}
@Override
public Component getTreeCellRendererComponent(final JTree tree, Object value, final boolean selected,
final boolean expanded, final boolean leaf, final int row, final boolean hasFocus) {
if (value instanceof DefaultMutableTreeNode) {
value = ((DefaultMutableTreeNode) value).getUserObject();
}
if (value == null) {
return _rendererDelegate.getTreeCellRendererComponent(tree, "", selected, expanded, leaf, row, hasFocus);
}
Component component = null;
final ImageManager imageManager = ImageManager.get();
Icon icon = null;
if (value instanceof Datastore) {
component = _rendererDelegate
.getTreeCellRendererComponent(tree, ((Datastore) value).getName(), selected, expanded, leaf, row,
hasFocus);
icon = IconUtils.getDatastoreIcon((Datastore) value, IconUtils.ICON_SIZE_MENU_ITEM);
} else if (value instanceof Schema) {
final Schema schema = ((Schema) value);
final String schemaName = schema.getName();
component = _rendererDelegate
.getTreeCellRendererComponent(tree, schemaName, selected, expanded, leaf, row, hasFocus);
icon = imageManager.getImageIcon(IconUtils.MODEL_SCHEMA, IconUtils.ICON_SIZE_MENU_ITEM);
if (MetaModelHelper.isInformationSchema(schema)) {
icon = imageManager.getImageIcon(IconUtils.MODEL_SCHEMA_INFORMATION, IconUtils.ICON_SIZE_MENU_ITEM);
}
} else if (value instanceof Table) {
component = _rendererDelegate
.getTreeCellRendererComponent(tree, ((Table) value).getName(), selected, expanded, leaf, row,
hasFocus);
icon = imageManager.getImageIcon(IconUtils.MODEL_TABLE, IconUtils.ICON_SIZE_MENU_ITEM);
} else if (value instanceof Column) {
final Column column = (Column) value;
final String columnLabel = column.getName();
component = _rendererDelegate
.getTreeCellRendererComponent(tree, columnLabel, selected, expanded, leaf, row, hasFocus);
icon = IconUtils.getColumnIcon(column, IconUtils.ICON_SIZE_MENU_ITEM);
} else if (value instanceof ComponentSuperCategory) {
final ComponentSuperCategory superCategory = (ComponentSuperCategory) value;
component = _rendererDelegate
.getTreeCellRendererComponent(tree, superCategory.getName(), selected, expanded, leaf, row,
hasFocus);
icon = IconUtils.getComponentSuperCategoryIcon(superCategory, IconUtils.ICON_SIZE_MENU_ITEM);
} else if (value instanceof ComponentCategory) {
final ComponentCategory category = (ComponentCategory) value;
component = _rendererDelegate
.getTreeCellRendererComponent(tree, category.getName(), selected, expanded, leaf, row, hasFocus);
icon = IconUtils.getComponentCategoryIcon(category, IconUtils.ICON_SIZE_MENU_ITEM);
} else if (value instanceof ComponentDescriptor) {
final ComponentDescriptor descriptor = (ComponentDescriptor) value;
component = _rendererDelegate
.getTreeCellRendererComponent(tree, descriptor.getDisplayName(), selected, expanded, leaf, row,
hasFocus);
icon = IconUtils.getDescriptorIcon(descriptor, IconUtils.ICON_SIZE_MENU_ITEM, false);
} else if (value instanceof String) {
if (LIBRARY_STRING.equals(value)) {
icon = imageManager.getImageIcon(IconUtils.MODEL_COMPONENT_LIBRARY, IconUtils.ICON_SIZE_MENU_ITEM);
} else if (NO_COMPONENTS_FOUND_SEARCH_RESULT.equals(value)) {
// "empty" icon -> no icon
icon = new ImageIcon();
}
component = _rendererDelegate
.getTreeCellRendererComponent(tree, value, selected, expanded, leaf, row, hasFocus);
}
if (component == null) {
throw new IllegalArgumentException("Unexpected value: " + value + " of class: " + (value == null
? ""
: value.getClass().getName()));
}
final boolean opaque = hasFocus || selected;
if (component instanceof JComponent) {
((JComponent) component).setOpaque(opaque);
}
if (icon != null) {
if (component instanceof WrappingIconPanel) {
final WrappingIconPanel wip = (WrappingIconPanel) component;
wip.setIcon(icon);
wip.getComponent().setOpaque(opaque);
} else {
logger.warn("Rendered TreeNode Component was not a WrappingIconPanel, cannot set icon!");
}
}
return component;
}
@Override
public JToolTip createToolTip() {
final DCPanel panel = new DCPanel();
panel.setOpaque(true);
panel.setBackground(WidgetUtils.BG_COLOR_DARK);
panel.setBorder(WidgetUtils.BORDER_THIN);
panel.setLayout(new VerticalLayout());
final DCToolTip toolTip = new DCToolTip(this, panel);
toolTip.addPropertyChangeListener("tiptext", new PropertyChangeListener() {
private String oldToolText = "";
@Override
public void propertyChange(final PropertyChangeEvent evt) {
if (oldToolText.equals(evt.getNewValue())) {
return;
}
panel.removeAll();
final String description = (String) evt.getNewValue();
if (!StringUtils.isNullOrEmpty(description)) {
final String[] lines = description.split("\n");
for (int i = 0; i < lines.length; i++) {
final String line = lines[i];
final DCLabel label = DCLabel.brightMultiLine(line);
label.setBorder(new EmptyBorder(0, 4, 4, 0));
label.setMaximumWidth(350);
panel.add(label);
}
}
}
});
return toolTip;
}
@Override
public String getToolTipText(final MouseEvent event) {
final TreePath path = getPathForLocation(event.getX(), event.getY());
if (path == null) {
return null;
}
final DefaultMutableTreeNode node = (DefaultMutableTreeNode) path.getLastPathComponent();
final Object userObject = node.getUserObject();
if (userObject instanceof ComponentSuperCategory) {
return ((ComponentSuperCategory) userObject).getDescription();
} else if (userObject instanceof ComponentDescriptor) {
return ((ComponentDescriptor) userObject).getDescription();
}
return null;
}
public Datastore getDatastore() {
return _datastore;
}
@Override
public void onDescriptorsUpdated(final DescriptorProvider descriptorProvider) {
WidgetUtils.invokeSwingAction(() -> {
final TreeNode root = (TreeNode) getModel().getRoot();
final DefaultMutableTreeNode libraryNode = (DefaultMutableTreeNode) root.getChildAt(1);
libraryNode.removeAllChildren();
createLibrary(libraryNode);
final DefaultTreeModel model = (DefaultTreeModel) getModel();
model.reload(libraryNode);
expandStandardPaths();
});
}
/**
* Refreshes the tree's contents
*/
public void refreshDatastore() {
updateTree();
expandStandardPaths();
}
public void filter(final String searchTerm) {
_searchTerm = searchTerm;
updateTree();
expandStandardPaths();
// Expand only when search is active
if (!searchTerm.equals("")) {
final TreeNode root = (TreeNode) getModel().getRoot();
final DefaultMutableTreeNode libraryNode = (DefaultMutableTreeNode) root.getChildAt(1);
final Enumeration depthFirstEnumeration = libraryNode.depthFirstEnumeration();
while (depthFirstEnumeration.hasMoreElements()) {
final DefaultMutableTreeNode node = (DefaultMutableTreeNode) depthFirstEnumeration.nextElement();
final TreePath treePath = new TreePath(node.getPath());
expandPath(treePath);
}
}
}
public void setIncludeLibraryNode(final boolean includeLibraryNode) {
_includeLibraryNode = includeLibraryNode;
}
}
