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/*
* Book Catalog - Catalog your book collection.
*
* Copyright (C) 2009 Joshua Walters
* URL: http://joshwalters.com
*
* This file is part of Book Catalog.
*
* Book Catalog is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Book Catalog 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Book Catalog. If not, see <http://www.gnu.org/licenses/>.
*/
package com.joshwalters.bookcatalog;
import java.sql.SQLException;
import javax.swing.JTable;
import javax.swing.JTextField;
import javax.swing.event.DocumentEvent;
import javax.swing.event.DocumentListener;
import com.joshwalters.bookcatalog.bookdatabase.BookDatabase;
import com.joshwalters.bookcatalog.bookdatabase.EmptyDatabase;
import com.joshwalters.bookcatalog.table.BookCatalogTableModel;
/**
* Searches the database for books. s
*
* @author Josh Walters
*/
class SearchDatabase implements DocumentListener {
private JTable bookCatalogTable;
private BookDatabase bookDatabase;
private JTextField searchField;
/**
* Get the different objects needed for the class to function.
*
* @param bookCatalogTable
* @param bookDatabase
* @param searchField
*/
public SearchDatabase(JTable bookCatalogTable, BookDatabase bookDatabase,
JTextField searchField) {
this.bookCatalogTable = bookCatalogTable;
this.bookDatabase = bookDatabase;
this.searchField = searchField;
}
/**
* Updates the table with the search string given by the user.
*/
public void updateTableWithSearchString() {
try {
// Get the table model.
BookCatalogTableModel bookCatalogTableModel = (BookCatalogTableModel) bookCatalogTable
.getModel();
// If the search field is empty, display all books in the database
// in the table.
if (searchField.getText().length() == 0) {
String[][] data = bookDatabase.getDatabaseForTable();
bookCatalogTableModel.setData(data);
bookCatalogTableModel.fireTableDataChanged();
} else {
// Search for matches to the search string.
String[][] data = bookDatabase
.searchDatabaseForTable(searchField.getText());
// Update the table.
bookCatalogTableModel.setData(data);
// Refresh the table.
bookCatalogTableModel.fireTableDataChanged();
}
} catch (SQLException e) {
// There was an SQL error of some sort.
System.err.println(e.getLocalizedMessage());
} catch (EmptyDatabase e) {
// The database was empty.
System.err.println(e.getLocalizedMessage());
}
}
/**
* Nothing to do here.
*/
public void changedUpdate(DocumentEvent arg0) {
}
/**
* Update the table with the search string.
*/
public void insertUpdate(DocumentEvent arg0) {
updateTableWithSearchString();
}
/**
* Update the table with the search string.
*/
public void removeUpdate(DocumentEvent arg0) {
updateTableWithSearchString();
}
}
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