Example usage for javax.swing JTextField JTextField

Introduction

In this page you can find the example usage for javax.swing JTextField JTextField.

Prototype

public JTextField(int columns) 

Source Link

Document

Constructs a new empty TextField with the specified number of columns.

Usage

From source file:Main.java

public static void main(String[] args) {
    JLabel l;/*w w w.j  a  v  a 2s .com*/
    JTextField t;
    JButton b;
    JFrame f = new JFrame("Text Accelerator");

    f.add(l = new JLabel("Name:", SwingConstants.RIGHT));
    l.setDisplayedMnemonic('n');
    f.add(l = new JLabel("House/Street:", SwingConstants.RIGHT));
    l.setDisplayedMnemonic('h');
    f.add(l = new JLabel("City:", SwingConstants.RIGHT));
    l.setDisplayedMnemonic('c');
    f.add(l = new JLabel("State/County:", SwingConstants.RIGHT));
    l.setDisplayedMnemonic('s');
    f.add(l = new JLabel("Zip/Post code:", SwingConstants.RIGHT));
    l.setDisplayedMnemonic('z');
    f.add(l = new JLabel("Telephone:", SwingConstants.RIGHT));
    l.setDisplayedMnemonic('t');
    f.add(b = new JButton("Clear"));
    b.setMnemonic('l');

    f.add(t = new JTextField(35));
    t.setFocusAccelerator('n');
    f.add(t = new JTextField(35));
    t.setFocusAccelerator('h');
    f.add(t = new JTextField(35));
    t.setFocusAccelerator('c');
    f.add(t = new JTextField(35));
    t.setFocusAccelerator('s');
    f.add(t = new JTextField(35));
    t.setFocusAccelerator('z');
    f.add(t = new JTextField(35));
    t.setFocusAccelerator('t');
    f.add(b = new JButton("OK"));
    b.setMnemonic('o');

    f.pack();
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.setVisible(true);
}

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From source file:Main.java

public static void main(String[] args) {
    final JFrame frame = new JFrame("Test");

    KeyboardFocusManager.getCurrentKeyboardFocusManager().addVetoableChangeListener("focusedWindow",
            new VetoableChangeListener() {
                private boolean gained = false;

                @Override/* w  w  w  .j av  a  2  s  .c o m*/
                public void vetoableChange(PropertyChangeEvent evt) throws PropertyVetoException {
                    if (evt.getNewValue() == frame) {
                        gained = true;
                    }
                    if (gained && evt.getNewValue() != frame) {
                        frame.dispose();
                    }
                }
            });

    frame.add(new JTextField(10), BorderLayout.NORTH);
    frame.add(new JTextField(10), BorderLayout.SOUTH);

    frame.pack();
    frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
    frame.setVisible(true);
}

---

From source file:Main.java

public static void main(String[] args) {
    ScriptEngine engine = new ScriptEngineManager().getEngineByExtension("js");

    String[] ops = { "+", "-", "*", "/" };

    JPanel gui = new JPanel(new BorderLayout(2, 2));
    JPanel labels = new JPanel(new GridLayout(0, 1));
    gui.add(labels, BorderLayout.WEST);
    labels.add(new JLabel("a"));
    labels.add(new JLabel("operand"));
    labels.add(new JLabel("b"));
    labels.add(new JLabel("="));

    JPanel controls = new JPanel(new GridLayout(0, 1));
    gui.add(controls, BorderLayout.CENTER);
    JTextField a = new JTextField(10);
    controls.add(a);/* w  w w  .j  a  v a 2 s  . co  m*/
    JComboBox operand = new JComboBox(ops);
    controls.add(operand);
    JTextField b = new JTextField(10);
    controls.add(b);
    JTextField output = new JTextField(10);
    controls.add(output);

    ActionListener al = new ActionListener() {
        public void actionPerformed(ActionEvent ae) {
            String expression = a.getText() + operand.getSelectedItem() + b.getText();
            try {
                Object result = engine.eval(expression);
                if (result == null) {
                    output.setText("Output was 'null'");
                } else {
                    output.setText(result.toString());
                }
            } catch (ScriptException se) {
                output.setText(se.getMessage());
            }
        }
    };

    operand.addActionListener(al);
    a.addActionListener(al);
    b.addActionListener(al);

    JOptionPane.showMessageDialog(null, gui);
}

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From source file:Main.java

public static void main(String[] args) {
    JFrame f = new JFrame();
    JPanel panel = new JPanel();
    JTextPane textPane = new JTextPane();
    JTextField tf = new JTextField("is");
    String word = "";
    Highlighter highlighter = new UnderlineHighlighter(null);

    textPane.setHighlighter(highlighter);
    textPane.setText("This is a test");
    panel.setLayout(new BorderLayout());
    panel.add(new JLabel("Enter word, then press ENTER key: "), "West");
    panel.add(tf, "Center");

    final WordSearcher searcher = new WordSearcher(textPane);
    tf.addActionListener(e -> {//from  w w  w .  ja  v  a 2s.  c o  m
        String w = tf.getText().trim();
        int offset = searcher.search(w);
        if (offset == -1) {
            return;
        }
        try {
            textPane.scrollRectToVisible(textPane.modelToView(offset));
        } catch (BadLocationException ex) {
        }

    });
    textPane.getDocument().addDocumentListener(new DocumentListener() {
        @Override
        public void insertUpdate(DocumentEvent evt) {
            searcher.search(word);
        }

        @Override
        public void removeUpdate(DocumentEvent evt) {
            searcher.search(word);
        }

        @Override
        public void changedUpdate(DocumentEvent evt) {
        }
    });
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.add(panel, "South");
    f.add(new JScrollPane(textPane), "Center");
    f.setSize(400, 400);
    f.setVisible(true);
}

---

From source file:MainClass.java

public static void main(String argv[]) {

    java.net.URL u = null;//  www. j ava  2s  . com
    try {
        u = new java.net.URL("http://www.java2s.com/");
    } catch (java.net.MalformedURLException ignored) {
    }

    JFormattedTextField ftf1 = new JFormattedTextField(u);
    JFormattedTextField ftf2 = new JFormattedTextField(u);

    ftf2.setInputVerifier(new InputVerifier() {
        public boolean verify(JComponent input) {
            if (!(input instanceof JFormattedTextField))
                return true;
            return ((JFormattedTextField) input).isEditValid();
        }
    });

    JPanel p = new JPanel(new GridLayout(0, 2, 3, 8));
    p.add(new JLabel("plain JFormattedTextField:"));
    p.add(ftf1);
    p.add(new JLabel("FTF with InputVerifier:"));
    p.add(ftf2);
    p.add(new JLabel("plain JTextField:"));
    p.add(new JTextField(u.toString()));

    JFrame f = new JFrame("MainClass");
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.getContentPane().add(new JLabel("Try to delete the colon in each field."), "North");
    f.getContentPane().add(p, "Center");
    f.pack();
    f.setVisible(true);
}

---

From source file:Main.java

public static void main(String args[]) {
    JFrame frame = new JFrame("Sorting JTable");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    MyTableModel model = new MyTableModel();
    JTable table = new JTable(model);
    final TableRowSorter<TableModel> sorter = new TableRowSorter<TableModel>(model);
    table.setRowSorter(sorter);/*from w  w  w .  j  a v  a2  s  . co  m*/
    JScrollPane pane = new JScrollPane(table);
    frame.add(pane, BorderLayout.CENTER);
    JPanel panel = new JPanel(new BorderLayout());
    JLabel label = new JLabel("Filter");
    panel.add(label, BorderLayout.WEST);
    final JTextField filterText = new JTextField("Y");
    panel.add(filterText, BorderLayout.CENTER);
    frame.add(panel, BorderLayout.NORTH);
    JButton button = new JButton("Filter");
    button.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            String text = filterText.getText();
            try {
                sorter.setRowFilter(RowFilter.regexFilter(text));
            } catch (PatternSyntaxException pse) {
                System.err.println("Bad regex pattern");
            }
        }
    });
    frame.add(button, BorderLayout.SOUTH);
    frame.setSize(300, 250);
    frame.setVisible(true);
}

---

From source file:MainClass.java

public static void main(String[] args) {
    // create a hierarchy of nodes
    MutableTreeNode root = new DefaultMutableTreeNode("A");
    MutableTreeNode bNode = new DefaultMutableTreeNode("B");
    MutableTreeNode cNode = new DefaultMutableTreeNode("C");
    root.insert(bNode, 0);//from   www . j a  va  2  s  . com
    root.insert(cNode, 1);
    bNode.insert(new DefaultMutableTreeNode("1"), 0);
    bNode.insert(new DefaultMutableTreeNode("2"), 1);
    cNode.insert(new DefaultMutableTreeNode("1"), 0);
    cNode.insert(new DefaultMutableTreeNode("2"), 1);

    final DefaultTreeModel model = new DefaultTreeModel(root);
    final JTree tree = new JTree(model);

    final JTextField nameField = new JTextField("Z");
    final JButton button = new JButton("Add");
    button.setEnabled(false);
    button.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            TreePath tp = tree.getSelectionPath();
            MutableTreeNode insertNode = (MutableTreeNode) tp.getLastPathComponent();
            int insertIndex = 0;
            if (insertNode.getParent() != null) {
                MutableTreeNode parent = (MutableTreeNode) insertNode.getParent();
                insertIndex = parent.getIndex(insertNode) + 1;
                insertNode = parent;
            }
            MutableTreeNode node = new DefaultMutableTreeNode(nameField.getText());
            model.insertNodeInto(node, insertNode, insertIndex);
        }
    });
    JPanel addPanel = new JPanel(new GridLayout(2, 1));
    addPanel.add(nameField);
    addPanel.add(button);

    tree.addTreeSelectionListener(new TreeSelectionListener() {
        public void valueChanged(TreeSelectionEvent e) {
            TreePath tp = e.getNewLeadSelectionPath();
            button.setEnabled(tp != null);
        }
    });

    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.setSize(200, 200);
    frame.getContentPane().add(new JScrollPane(tree));
    frame.getContentPane().add(addPanel, BorderLayout.SOUTH);
    frame.setVisible(true);
}

---

From source file:MainClass.java

public static void main(String[] args) {
    MutableTreeNode root = new DefaultMutableTreeNode("A");
    MutableTreeNode beams = new DefaultMutableTreeNode("B");
    MutableTreeNode gears = new DefaultMutableTreeNode("C");
    root.insert(beams, 0);//from w  w w  . ja va2 s  .c o m
    root.insert(gears, 1);
    beams.insert(new DefaultMutableTreeNode("4 "), 0);
    beams.insert(new DefaultMutableTreeNode("6 "), 1);
    beams.insert(new DefaultMutableTreeNode("8 "), 2);
    beams.insert(new DefaultMutableTreeNode("12 "), 3);
    gears.insert(new DefaultMutableTreeNode("8t"), 0);
    gears.insert(new DefaultMutableTreeNode("24t"), 1);
    gears.insert(new DefaultMutableTreeNode("40t"), 2);

    final DefaultTreeModel model = new DefaultTreeModel(root);
    final JTree tree = new JTree(model);

    final JTextField nameField = new JTextField("16t");
    final JButton button = new JButton("Add a part");
    button.setEnabled(false);
    button.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            TreePath tp = tree.getSelectionPath();
            MutableTreeNode insertNode = (MutableTreeNode) tp.getLastPathComponent();
            int insertIndex = 0;
            if (insertNode.getParent() != null) {
                MutableTreeNode parent = (MutableTreeNode) insertNode.getParent();
                insertIndex = parent.getIndex(insertNode) + 1;
                insertNode = parent;
            }
            MutableTreeNode node = new DefaultMutableTreeNode(nameField.getText());
            model.insertNodeInto(node, insertNode, insertIndex);
        }
    });
    JPanel addPanel = new JPanel(new GridLayout(2, 1));
    addPanel.add(nameField);
    addPanel.add(button);

    tree.addTreeSelectionListener(new TreeSelectionListener() {
        public void valueChanged(TreeSelectionEvent e) {
            TreePath tp = e.getNewLeadSelectionPath();
            button.setEnabled(tp != null);
        }
    });

    JFrame frame = new JFrame();

    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.setSize(200, 200);
    frame.getContentPane().add(new JScrollPane(tree));
    frame.getContentPane().add(addPanel, BorderLayout.SOUTH);
    frame.setVisible(true);
}

---

From source file:FtfInputVerifier.java

public static void main(String argv[]) {

    java.net.URL u = null;/*  w ww .j a  v  a 2 s  .  c o  m*/
    try {
        u = new java.net.URL("http://www.ora.com/");
    } catch (java.net.MalformedURLException ignored) {
    }

    // create two identical JFormattedTextFields
    JFormattedTextField ftf1 = new JFormattedTextField(u);
    JFormattedTextField ftf2 = new JFormattedTextField(u);

    // and set an InputVerifier on one of them
    ftf2.setInputVerifier(new InputVerifier() {
        public boolean verify(JComponent input) {
            if (!(input instanceof JFormattedTextField))
                return true; // give up focus
            return ((JFormattedTextField) input).isEditValid();
        }
    });

    JPanel p = new JPanel(new java.awt.GridLayout(0, 2, 3, 8));
    p.add(new JLabel("plain JFormattedTextField:", JLabel.RIGHT));
    p.add(ftf1);
    p.add(new JLabel("FTF with InputVerifier:", JLabel.RIGHT));
    p.add(ftf2);
    p.add(new JLabel("plain JTextField:", JLabel.RIGHT));
    p.add(new JTextField(u.toString()));
    p.setBorder(BorderFactory.createEmptyBorder(8, 8, 8, 8));

    JFrame f = new JFrame("FtfInputVerifier");
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.getContentPane().add(new JLabel("Try to delete the colon in each field.", JLabel.CENTER),
            java.awt.BorderLayout.NORTH);
    f.getContentPane().add(p, java.awt.BorderLayout.CENTER);
    f.pack();
    f.setVisible(true);
}

---

From source file:org.eclipse.swt.snippets.Snippet300.java

public static void main(String[] args) {
    final Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setText("SWT and Swing DND Example");
    GridLayout layout = new GridLayout(1, false);
    shell.setLayout(layout);//from  ww  w .  j ava  2 s.c om

    Text swtText = new Text(shell, SWT.BORDER);
    swtText.setText("SWT Text");
    GridData data = new GridData(GridData.FILL_HORIZONTAL);
    swtText.setLayoutData(data);
    setDragDrop(swtText);

    Composite comp = new Composite(shell, SWT.EMBEDDED);
    java.awt.Frame frame = SWT_AWT.new_Frame(comp);
    JTextField swingText = new JTextField(40);
    swingText.setText("Swing Text");
    swingText.setDragEnabled(true);
    frame.add(swingText);
    data = new GridData(GridData.FILL_HORIZONTAL);
    data.heightHint = swingText.getPreferredSize().height;
    comp.setLayoutData(data);

    shell.setSize(400, 200);
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

---

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