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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.windows;
import java.awt.GridBagConstraints;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import javax.swing.JButton;
import javax.swing.JComponent;
import org.apache.metamodel.MetaModelHelper;
import org.apache.metamodel.UpdateableDataContext;
import org.apache.metamodel.create.CreateTable;
import org.apache.metamodel.schema.Column;
import org.apache.metamodel.schema.ColumnType;
import org.apache.metamodel.schema.ColumnTypeImpl;
import org.apache.metamodel.schema.Schema;
import org.datacleaner.api.InputColumn;
import org.datacleaner.bootstrap.WindowContext;
import org.datacleaner.connection.CsvDatastore;
import org.datacleaner.connection.Datastore;
import org.datacleaner.connection.UpdateableDatastore;
import org.datacleaner.connection.UpdateableDatastoreConnection;
import org.datacleaner.panels.CreateTableColumnDefintionPanel;
import org.datacleaner.panels.DCPanel;
import org.datacleaner.util.IconUtils;
import org.datacleaner.util.ImageManager;
import org.datacleaner.util.WidgetFactory;
import org.datacleaner.util.WidgetUtils;
import org.datacleaner.widgets.DCLabel;
import org.jdesktop.swingx.JXTextField;
import org.jdesktop.swingx.VerticalLayout;
/**
* A dialog which gives the user the ability to create a table in a datastore.
*/
public class CreateTableDialog extends AbstractDialog {
public interface Listener {
void onTableCreated(UpdateableDatastore datastore, Schema schema, String tableName);
}
private static final long serialVersionUID = 1L;
private final UpdateableDatastore _datastore;
private final Schema _schema;
private final DCPanel _columnsListPanel;
private final List _columnDefinitionPanels;
private final List _listeners;
public CreateTableDialog(final WindowContext windowContext, final UpdateableDatastore datastore,
final Schema schema) {
this(windowContext, datastore, schema, null);
}
public CreateTableDialog(final WindowContext windowContext, final UpdateableDatastore datastore,
final Schema schema, final Collection> columnSuggestions) {
super(windowContext, ImageManager.get().getImage("images/window/banner-tabledef.png"));
_datastore = datastore;
_schema = schema;
_listeners = new ArrayList<>(1);
_columnDefinitionPanels = new ArrayList<>();
_columnsListPanel = new DCPanel();
_columnsListPanel.setBorder(WidgetUtils.BORDER_EMPTY);
_columnsListPanel.setLayout(new VerticalLayout());
if (columnSuggestions != null && !columnSuggestions.isEmpty()) {
// add columns based on the suggestions
for (final InputColumn columnSuggestion : columnSuggestions) {
final String name = columnSuggestion.getName();
if (columnSuggestion.isPhysicalColumn()) {
final Column physicalColumn = columnSuggestion.getPhysicalColumn();
final ColumnType columnType = physicalColumn.getType();
final boolean isPrimaryKey = physicalColumn.isPrimaryKey();
addColumnDefinitionPanel(new CreateTableColumnDefintionPanel(this, name, columnType, isPrimaryKey));
} else {
final ColumnType columnType = ColumnTypeImpl.convertColumnType(columnSuggestion.getDataType());
addColumnDefinitionPanel(new CreateTableColumnDefintionPanel(this, name, columnType, false));
}
}
} else {
// add some columns to begin with
addColumnDefinitionPanel(new CreateTableColumnDefintionPanel(this, "ID", ColumnType.INTEGER, true));
addColumnDefinitionPanel();
}
}
/**
* Determines if it is appropriate/possible to create a table in a
* particular schema or a particular datastore.
*
* @param datastore
* @param schema
* @return
*/
public static boolean isCreateTableAppropriate(final Datastore datastore, final Schema schema) {
if (datastore == null || schema == null) {
return false;
}
if (!(datastore instanceof UpdateableDatastore)) {
return false;
}
if (datastore instanceof CsvDatastore) {
// see issue https://issues.apache.org/jira/browse/METAMODEL-31 - as
// long as this is an issue we do not want to expose "create table"
// functionality to CSV datastores.
return false;
}
if (MetaModelHelper.isInformationSchema(schema)) {
return false;
}
return true;
}
public void addListener(final Listener listener) {
if (listener == null) {
return;
}
_listeners.add(listener);
}
public void removeListener(final Listener listener) {
_listeners.remove(listener);
}
@Override
public String getWindowTitle() {
return "Create table";
}
@Override
protected String getBannerTitle() {
return "Create table\nin schema '" + _schema.getName() + "'";
}
@Override
protected int getDialogWidth() {
return 700;
}
@Override
protected JComponent getDialogContent() {
final DCLabel label1 = DCLabel.darkMultiLine(
"Please fill out the name and describe the columns that should comprise your new table. "
+ "The table will be created in the schema '" + _schema.getName() + "' of datastore '"
+ _datastore.getName() + "'");
final DCLabel label2 = DCLabel.darkMultiLine("Note that the column data types may be adapted/interpreted in "
+ "order to fit the type of datastore, should they not apply to the datastore natively.");
final JXTextField tableNameTextField = WidgetFactory.createTextField("Table name");
final JButton createTableButton =
WidgetFactory.createPrimaryButton("Create table", IconUtils.ACTION_CREATE_TABLE);
createTableButton.addActionListener(e -> {
final String tableName = tableNameTextField.getText().trim();
if (tableName.isEmpty()) {
WidgetUtils.showErrorMessage("Invalid table name", "Please enter a valid table name.");
return;
}
if (_columnDefinitionPanels.isEmpty()) {
WidgetUtils.showErrorMessage("No columns defined", "Please add at least one column to the table.");
return;
}
final List columns = new ArrayList<>(_columnDefinitionPanels.size());
for (final CreateTableColumnDefintionPanel columnDefinitionPanel : _columnDefinitionPanels) {
columnDefinitionPanel.highlightIssues();
if (!columnDefinitionPanel.isColumnDefined()) {
return;
}
columns.add(columnDefinitionPanel.toColumn());
}
doCreateTable(tableName, columns);
for (final Listener listener : _listeners) {
listener.onTableCreated(_datastore, _schema, tableName);
}
CreateTableDialog.this.close();
});
final JButton cancelButton = WidgetFactory.createDefaultButton("Cancel", IconUtils.ACTION_CANCEL);
cancelButton.addActionListener(e -> CreateTableDialog.this.close());
final JButton addColumnButton = WidgetFactory.createSmallButton("Add column", IconUtils.ACTION_ADD_DARK);
addColumnButton.addActionListener(e -> addColumnDefinitionPanel());
final JButton removeAllColumnsButton =
WidgetFactory.createSmallButton("Remove all columns", IconUtils.ACTION_REMOVE_DARK);
removeAllColumnsButton.setForeground(WidgetUtils.ADDITIONAL_COLOR_RED_BRIGHT);
removeAllColumnsButton.addActionListener(e -> removeAllColumns());
final DCPanel buttonPanel = DCPanel.flow(addColumnButton, removeAllColumnsButton);
buttonPanel.setBorder(WidgetUtils.BORDER_EMPTY);
final DCPanel panel = new DCPanel(WidgetUtils.COLOR_WELL_BACKGROUND);
int row = 0;
WidgetUtils.addToGridBag(label1, panel, 0, row, 2, 1);
row++;
WidgetUtils.addToGridBag(tableNameTextField, panel, 0, row, 2, 1);
row++;
WidgetUtils.addToGridBag(label2, panel, 0, row, 2, 1);
row++;
WidgetUtils.addToGridBag(buttonPanel, panel, 0, row, 2, 1);
row++;
WidgetUtils.addToGridBag(WidgetUtils.scrolleable(_columnsListPanel), panel, 0, row, 2, 1,
GridBagConstraints.NORTHWEST, 0, 1.0, 1.0, GridBagConstraints.BOTH);
row++;
WidgetUtils.addToGridBag(createTableButton, panel, 0, row, 0.5, 0.1);
WidgetUtils.addToGridBag(cancelButton, panel, 1, row, 0.5, 0.1);
panel.setPreferredSize(getDialogWidth(), 400);
return panel;
}
protected boolean isWindowResizable() {
return true;
}
protected void doCreateTable(final String tableName, final List columns) {
try (UpdateableDatastoreConnection con = _datastore.openConnection()) {
final CreateTable createTable = new CreateTable(_schema, tableName);
for (final Column column : columns) {
createTable.withColumn(column.getName()).like(column);
}
final UpdateableDataContext dataContext = con.getUpdateableDataContext();
dataContext.executeUpdate(createTable);
}
}
public void removeColumnDefinitionPanel(final CreateTableColumnDefintionPanel columnDefintionPanel) {
_columnDefinitionPanels.remove(columnDefintionPanel);
_columnsListPanel.remove(columnDefintionPanel);
_columnsListPanel.updateUI();
}
public void addColumnDefinitionPanel() {
final CreateTableColumnDefintionPanel columnDefintionPanel = new CreateTableColumnDefintionPanel(this);
addColumnDefinitionPanel(columnDefintionPanel);
}
protected void removeAllColumns() {
_columnDefinitionPanels.clear();
_columnsListPanel.removeAll();
_columnsListPanel.updateUI();
}
private void addColumnDefinitionPanel(final CreateTableColumnDefintionPanel columnDefintionPanel) {
_columnDefinitionPanels.add(columnDefintionPanel);
_columnsListPanel.add(columnDefintionPanel);
_columnsListPanel.updateUI();
}
}
