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Diffstat (limited to 'src/com/joshwalters/bookcatalog/SearchDatabase.java')
| -rw-r--r-- | src/com/joshwalters/bookcatalog/SearchDatabase.java | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/src/com/joshwalters/bookcatalog/SearchDatabase.java b/src/com/joshwalters/bookcatalog/SearchDatabase.java new file mode 100644 index 0000000..ffe68f0 --- /dev/null +++ b/src/com/joshwalters/bookcatalog/SearchDatabase.java @@ -0,0 +1,112 @@ +/* + * 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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