Java Reference
In-Depth Information
16
import
javax.swing.JButton;
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import
javax.swing.Box;
18
import
javax.swing.JLabel;
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import
javax.swing.JTextField;
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21
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23
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import
javax.swing.RowFilter;
import
javax.swing.table.TableRowSorter;
import
javax.swing.table.TableModel;
public class
DisplayQueryResults
extends
JFrame
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{
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// database URL, username and password
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private static final
String
DATABASE_URL
=
"jdbc:derby:books"
;
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private static final
String
USERNAME
=
"deitel"
;
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private static final
String
PASSWORD
=
"deitel"
;
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// default query retrieves all data from Authors table
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private static final
String
DEFAULT_QUERY
=
"SELECT * FROM Authors"
;
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private
static
ResultSetTableModel tableModel;
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public static void
main(String args[])
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{
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// create ResultSetTableModel and display database table
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try
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{
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// create TableModel for results of query SELECT * FROM Authors
tableModel =
new
ResultSetTableModel(
DATABASE_URL
,
USERNAME
,
PASSWORD
,
DEFAULT_QUERY
);
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// set up JTextArea in which user types queries
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final
JTextArea queryArea =
new
JTextArea(
DEFAULT_QUERY
,
3
,
100
);
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queryArea.setWrapStyleWord(
true
);
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queryArea.setLineWrap(
true
);
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JScrollPane scrollPane =
new
JScrollPane(queryArea,
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ScrollPaneConstants.VERTICAL_SCROLLBAR_AS_NEEDED
,
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ScrollPaneConstants.HORIZONTAL_SCROLLBAR_NEVER
);
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// set up JButton for submitting queries
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JButton submitButton =
new
JButton(
"Submit Query")
;
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// create Box to manage placement of queryArea and
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// submitButton in GUI
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Box boxNorth = Box.createHorizontalBox();
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boxNorth.add(scrollPane);
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boxNorth.add(submitButton);
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// create JTable based on the tableModel
JTable resultTable =
new
JTable(tableModel);
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JLabel filterLabel =
new
JLabel(
"Filter:"
);
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final
JTextField filterText =
new
JTextField();
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JButton filterButton =
new
JButton(
"Apply Filter"
);
Fig. 24.28
|
Display the contents of the
Authors
table in the
books
database. (Part 2 of 5.)
