Examples with FocusEvent java.awt.event.FocusEvent used on opensource projects

Example 81 with FocusEvent

use of java.awt.event.FocusEvent in project knime-core by knime.

the class VariableFileReaderNodeDialog method createFileNamePanel.

private JPanel createFileNamePanel() {
    JPanel panel = new JPanel();
    panel.setLayout(new BoxLayout(panel, BoxLayout.Y_AXIS));
    panel.setBorder(BorderFactory.createTitledBorder(BorderFactory.createEtchedBorder(), "Select variable holding file location: (press 'Enter' to " + "update preview)"));
    Box fileBox = Box.createHorizontalBox();
    // Creating the brows button here in order to get its preferred height
    int buttonHeight = 20;
    m_urlCombo = new JComboBox();
    m_urlCombo.setEditable(false);
    m_urlCombo.setRenderer(new FlowVariableListCellRenderer());
    m_urlCombo.setMaximumSize(new Dimension(PANEL_WIDTH, buttonHeight));
    m_urlCombo.setMinimumSize(new Dimension(350, buttonHeight));
    m_urlCombo.setPreferredSize(new Dimension(350, buttonHeight));
    fileBox.add(Box.createHorizontalGlue());
    fileBox.add(new JLabel("Flow Variable Name:"));
    fileBox.add(Box.createHorizontalStrut(HORIZ_SPACE));
    fileBox.add(m_urlCombo);
    fileBox.add(Box.createVerticalStrut(50));
    fileBox.add(Box.createHorizontalGlue());
    // the checkbox for preserving the current settings on file change
    Box preserveBox = Box.createHorizontalBox();
    m_preserveSettings = new JCheckBox("Preserve user settings for new location");
    m_preserveSettings.setToolTipText("if not checked, the settings you" + " have set are reset, if a new location is entered");
    m_preserveSettings.setSelected(false);
    m_preserveSettings.setEnabled(true);
    preserveBox.add(Box.createHorizontalGlue());
    preserveBox.add(m_preserveSettings);
    preserveBox.add(Box.createHorizontalGlue());
    panel.add(fileBox);
    panel.add(preserveBox);
    panel.setMaximumSize(new Dimension(PANEL_WIDTH, 70));
    panel.setMinimumSize(new Dimension(PANEL_WIDTH, 70));
    m_urlCombo.addItemListener(this);
    /* install action listeners */
    // set stuff to update preview when file location changes
    m_urlCombo.addFocusListener(new FocusAdapter() {

        @Override
        public void focusLost(final FocusEvent e) {
            fileLocationChanged();
        }
    });
    return panel;
}