List of usage examples for javax.swing JCheckBox setAlignmentX
@BeanProperty(description = "The preferred horizontal alignment of the component.") public void setAlignmentX(float alignmentX)
From source file:Main.java
public static void main(String[] args) { JPanel panel = new JPanel(); panel.setLayout(new OverlayLayout(panel)); JTabbedPane tabbedPane = new JTabbedPane(); tabbedPane.add("1", new JTextField("one")); tabbedPane.add("2", new JTextField("two")); tabbedPane.setAlignmentX(1.0f);// www .j a v a 2 s . c o m tabbedPane.setAlignmentY(0.0f); JCheckBox checkBox = new JCheckBox("Add tab"); checkBox.setOpaque(false); checkBox.setAlignmentX(1.0f); checkBox.setAlignmentY(0.0f); panel.add(checkBox); panel.add(tabbedPane); JFrame frame = new JFrame(); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.add(panel); frame.setSize(400, 100); frame.setVisible(true); }
From source file:Main.java
public static void main(String[] args) { JPanel panel = new JPanel(); panel.setLayout(new OverlayLayout(panel)); JTabbedPane tabbedPane = new JTabbedPane(); tabbedPane.add("1", new JTextField("one")); tabbedPane.add("2", new JTextField("two")); tabbedPane.setAlignmentX(1.0f);// w ww . ja v a2s. c o m tabbedPane.setAlignmentY(0.0f); JCheckBox checkBox = new JCheckBox("Check Me"); checkBox.setOpaque(false); checkBox.setAlignmentX(1.0f); checkBox.setAlignmentY(0.0f); panel.add(checkBox); panel.add(tabbedPane); JFrame frame = new JFrame(); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.add(panel); frame.setLocationByPlatform(true); frame.setSize(400, 100); frame.setVisible(true); }
From source file:gda.util.userOptions.UserOptionsDialog.java
@SuppressWarnings("rawtypes") private JPanel makePane() { JPanel pane = new JPanel(); pane.setLayout(new BoxLayout(pane, BoxLayout.Y_AXIS)); Iterator<Map.Entry<String, UserOption>> iter = options.entrySet().iterator(); while (iter.hasNext()) { Map.Entry<String, UserOption> entry = iter.next(); UserOption option = entry.getValue(); if (option.defaultValue instanceof Boolean && option.description instanceof String) { JCheckBox box = new JCheckBox((String) option.description); box.setSelected((Boolean) option.value); box.setAlignmentX(Component.LEFT_ALIGNMENT); box.setAlignmentY(Component.LEFT_ALIGNMENT); components.put(entry.getKey(), box); pane.add(box);//from www. ja v a 2 s. c om } } return pane; }
From source file:net.pandoragames.far.ui.swing.RenameFilesPanel.java
private void init(SwingConfig config, ComponentRepository componentRepository) { this.setLayout(new BoxLayout(this, BoxLayout.Y_AXIS)); this.setBorder( BorderFactory.createEmptyBorder(0, SwingConfig.PADDING, SwingConfig.PADDING, SwingConfig.PADDING)); this.add(Box.createRigidArea(new Dimension(1, SwingConfig.PADDING))); JLabel patternLabel = new JLabel(localizer.localize("label.find-pattern")); this.add(patternLabel); filenamePattern = new JTextField(); filenamePattern.setPreferredSize(// w w w.ja v a 2 s . c om new Dimension(SwingConfig.COMPONENT_WIDTH_LARGE, config.getStandardComponentHight())); filenamePattern .setMaximumSize(new Dimension(SwingConfig.COMPONENT_WIDTH_MAX, config.getStandardComponentHight())); filenamePattern.setAlignmentX(Component.LEFT_ALIGNMENT); UndoHistory findUndoManager = new UndoHistory(); findUndoManager.registerUndoHistory(filenamePattern); findUndoManager.registerSnapshotHistory(filenamePattern); componentRepository.getReplaceCommand().addResetable(findUndoManager); filenamePattern.getDocument().addDocumentListener(new DocumentChangeListener() { public void documentUpdated(DocumentEvent e, String text) { dataModel.setPatternString(text); updateFileTable(); } }); componentRepository.getResetDispatcher().addToBeCleared(filenamePattern); this.add(filenamePattern); JCheckBox caseBox = new JCheckBox(localizer.localize("label.ignore-case")); caseBox.setSelected(true); caseBox.addItemListener(new ItemListener() { public void itemStateChanged(ItemEvent event) { dataModel.setIgnoreCase((ItemEvent.SELECTED == event.getStateChange())); updateFileTable(); } }); this.add(caseBox); JCheckBox regexBox = new JCheckBox(localizer.localize("label.regular-expression")); regexBox.addItemListener(new ItemListener() { public void itemStateChanged(ItemEvent event) { dataModel.setRegexPattern((ItemEvent.SELECTED == event.getStateChange())); updateFileTable(); } }); this.add(regexBox); JPanel extensionPanel = new JPanel(); extensionPanel.setBorder(BorderFactory.createTitledBorder(localizer.localize("label.modify-extension"))); extensionPanel.setLayout(new FlowLayout(FlowLayout.LEFT)); extensionPanel.setAlignmentX(Component.LEFT_ALIGNMENT); extensionPanel.setPreferredSize(new Dimension(SwingConfig.COMPONENT_WIDTH_LARGE, 60)); extensionPanel.setMaximumSize(new Dimension(SwingConfig.COMPONENT_WIDTH_MAX, 100)); ButtonGroup extensionGroup = new ButtonGroup(); JRadioButton protectButton = new JRadioButton(localizer.localize("label.protect-extension")); protectButton.setSelected(true); protectButton.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent event) { dataModel.setProtectExtension(true); updateFileTable(); } }); extensionGroup.add(protectButton); extensionPanel.add(protectButton); JRadioButton includeButton = new JRadioButton(localizer.localize("label.include-extension")); includeButton.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent event) { dataModel.setExtensionOnly(false); dataModel.setProtectExtension(false); updateFileTable(); } }); extensionGroup.add(includeButton); extensionPanel.add(includeButton); JRadioButton onlyButton = new JRadioButton(localizer.localize("label.only-extension")); onlyButton.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent event) { dataModel.setExtensionOnly(true); updateFileTable(); } }); extensionGroup.add(onlyButton); extensionPanel.add(onlyButton); this.add(extensionPanel); this.add(Box.createVerticalGlue()); this.add(Box.createRigidArea(new Dimension(1, SwingConfig.PADDING))); // replace JLabel replaceLabel = new JLabel(localizer.localize("label.replacement-pattern")); this.add(replaceLabel); replacePattern = new JTextField(); replacePattern.setPreferredSize( new Dimension(SwingConfig.COMPONENT_WIDTH_LARGE, config.getStandardComponentHight())); replacePattern .setMaximumSize(new Dimension(SwingConfig.COMPONENT_WIDTH_MAX, config.getStandardComponentHight())); replacePattern.setAlignmentX(Component.LEFT_ALIGNMENT); UndoHistory undoManager = new UndoHistory(); undoManager.registerUndoHistory(replacePattern); undoManager.registerSnapshotHistory(replacePattern); componentRepository.getReplaceCommand().addResetable(undoManager); replacePattern.getDocument().addDocumentListener(new DocumentChangeListener() { public void documentUpdated(DocumentEvent e, String text) { dataModel.setReplacementString(text); updateFileTable(); } }); componentRepository.getResetDispatcher().addToBeCleared(replacePattern); this.add(replacePattern); // treat case JPanel modifyCasePanel = new JPanel(); modifyCasePanel.setBorder(BorderFactory.createTitledBorder(localizer.localize("label.modify-case"))); modifyCasePanel.setLayout(new BoxLayout(modifyCasePanel, BoxLayout.Y_AXIS)); modifyCasePanel.setAlignmentX(Component.LEFT_ALIGNMENT); modifyCasePanel.setPreferredSize(new Dimension(SwingConfig.COMPONENT_WIDTH_LARGE, 100)); modifyCasePanel.setMaximumSize(new Dimension(SwingConfig.COMPONENT_WIDTH_MAX, 200)); ButtonGroup modifyCaseGroup = new ButtonGroup(); ActionListener radioButtonListener = new ActionListener() { public void actionPerformed(ActionEvent e) { String cmd = e.getActionCommand(); dataModel.setTreatCase(RenameForm.CASEHANDLING.valueOf(cmd)); updateFileTable(); } }; JRadioButton lowerButton = new JRadioButton(localizer.localize("label.to-lower-case")); lowerButton.setActionCommand(RenameForm.CASEHANDLING.LOWER.name()); lowerButton.addActionListener(radioButtonListener); modifyCaseGroup.add(lowerButton); modifyCasePanel.add(lowerButton); JRadioButton upperButton = new JRadioButton(localizer.localize("label.to-upper-case")); upperButton.setActionCommand(RenameForm.CASEHANDLING.UPPER.name()); upperButton.addActionListener(radioButtonListener); modifyCaseGroup.add(upperButton); modifyCasePanel.add(upperButton); JRadioButton keepButton = new JRadioButton(localizer.localize("label.preserve-case")); keepButton.setActionCommand(RenameForm.CASEHANDLING.PRESERVE.name()); keepButton.setSelected(true); keepButton.addActionListener(radioButtonListener); modifyCaseGroup.add(keepButton); modifyCasePanel.add(keepButton); this.add(modifyCasePanel); // prevent case conflict JCheckBox caseConflictBox = new JCheckBox(localizer.localize("label.prevent-case-conflict")); caseConflictBox.setAlignmentX(Component.LEFT_ALIGNMENT); caseConflictBox.setSelected(true); caseConflictBox.setEnabled(!SwingConfig.isWindows()); // disabled on windows caseConflictBox.addItemListener(new ItemListener() { public void itemStateChanged(ItemEvent event) { dataModel.setPreventCaseConflict((ItemEvent.SELECTED == event.getStateChange())); updateFileTable(); } }); this.add(caseConflictBox); this.add(Box.createVerticalGlue()); }
From source file:net.pandoragames.far.ui.swing.dialog.SettingsDialog.java
private void init() { this.setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE); this.setLayout(new BoxLayout(this.getContentPane(), BoxLayout.Y_AXIS)); this.setResizable(false); JPanel basePanel = new JPanel(); basePanel.setLayout(new BoxLayout(basePanel, BoxLayout.Y_AXIS)); basePanel.setBorder(// ww w .j a v a 2 s .c o m BorderFactory.createEmptyBorder(0, SwingConfig.PADDING, SwingConfig.PADDING, SwingConfig.PADDING)); registerCloseWindowKeyListener(basePanel); // sink for error messages MessageLabel errorField = new MessageLabel(); errorField.setMinimumSize(new Dimension(100, swingConfig.getStandardComponentHight())); errorField.setBorder(BorderFactory.createEmptyBorder(1, SwingConfig.PADDING, 2, SwingConfig.PADDING)); TwoComponentsPanel lineError = new TwoComponentsPanel(errorField, Box.createRigidArea(new Dimension(1, swingConfig.getStandardComponentHight()))); lineError.setAlignmentX(Component.LEFT_ALIGNMENT); basePanel.add(lineError); // character set JLabel labelCharset = new JLabel(swingConfig.getLocalizer().localize("label.default-characterset")); labelCharset.setAlignmentX(Component.LEFT_ALIGNMENT); basePanel.add(labelCharset); JComboBox listCharset = new JComboBox(swingConfig.getCharsetList().toArray()); listCharset.setAlignmentX(Component.LEFT_ALIGNMENT); listCharset.setSelectedItem(swingConfig.getDefaultCharset()); listCharset.setEditable(true); listCharset.setMaximumSize( new Dimension(SwingConfig.COMPONENT_WIDTH_MAX, swingConfig.getStandardComponentHight())); listCharset.addActionListener(new CharacterSetListener(errorField)); listCharset.setEditor(new CharacterSetEditor(errorField)); basePanel.add(listCharset); basePanel.add(Box.createRigidArea(new Dimension(1, SwingConfig.PADDING))); // select the group selector JPanel selectorPanel = new JPanel(); selectorPanel.setLayout(new FlowLayout(FlowLayout.LEFT)); selectorPanel.setAlignmentX(Component.LEFT_ALIGNMENT); // linePattern.setAlignmentX( Component.LEFT_ALIGNMENT ); JLabel labelSelector = new JLabel(swingConfig.getLocalizer().localize("label.group-ref-indicator")); selectorPanel.add(labelSelector); JComboBox selectorBox = new JComboBox(FARConfig.GROUPREFINDICATORLIST); selectorBox.setSelectedItem(Character.toString(groupReference)); selectorBox.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent event) { JComboBox cbox = (JComboBox) event.getSource(); String indicator = (String) cbox.getSelectedItem(); groupReference = indicator.charAt(0); } }); selectorPanel.add(selectorBox); basePanel.add(selectorPanel); basePanel.add(Box.createRigidArea(new Dimension(1, SwingConfig.PADDING))); // checkbox DO BACKUP JCheckBox doBackupFlag = new JCheckBox(swingConfig.getLocalizer().localize("label.create-backup")); doBackupFlag.setAlignmentX(Component.LEFT_ALIGNMENT); doBackupFlag.setHorizontalTextPosition(SwingConstants.LEADING); doBackupFlag.setSelected(replaceForm.isDoBackup()); doBackupFlag.addItemListener(new ItemListener() { public void itemStateChanged(ItemEvent event) { doBackup = ItemEvent.SELECTED == event.getStateChange(); backupFlagEvent = event; } }); basePanel.add(doBackupFlag); JTextField backupDirPathTextField = new JTextField(); backupDirPathTextField.setPreferredSize( new Dimension(SwingConfig.COMPONENT_WIDTH, swingConfig.getStandardComponentHight())); backupDirPathTextField.setMaximumSize( new Dimension(SwingConfig.COMPONENT_WIDTH_MAX, swingConfig.getStandardComponentHight())); backupDirPathTextField.setText(backupDirectory.getPath()); backupDirPathTextField.setToolTipText(backupDirectory.getPath()); backupDirPathTextField.setEditable(false); JButton openBaseDirFileChooserButton = new JButton(swingConfig.getLocalizer().localize("button.browse")); BrowseButtonListener backupDirButtonListener = new BrowseButtonListener(backupDirPathTextField, new BackUpDirectoryRepository(swingConfig, findForm, replaceForm, errorField), swingConfig.getLocalizer().localize("label.choose-backup-directory")); openBaseDirFileChooserButton.addActionListener(backupDirButtonListener); TwoComponentsPanel lineBaseDir = new TwoComponentsPanel(backupDirPathTextField, openBaseDirFileChooserButton); lineBaseDir.setAlignmentX(Component.LEFT_ALIGNMENT); basePanel.add(lineBaseDir); basePanel.add(Box.createRigidArea(new Dimension(1, SwingConfig.PADDING))); JPanel fileInfoPanel = new JPanel(); fileInfoPanel .setBorder(BorderFactory.createTitledBorder(BorderFactory.createEtchedBorder(EtchedBorder.LOWERED), swingConfig.getLocalizer().localize("label.default-file-info"))); fileInfoPanel.setAlignmentX(Component.LEFT_ALIGNMENT); fileInfoPanel.setLayout(new BoxLayout(fileInfoPanel, BoxLayout.Y_AXIS)); JLabel fileInfoLabel = new JLabel(swingConfig.getLocalizer().localize("message.displayed-in-info-column")); fileInfoLabel.setAlignmentX(Component.LEFT_ALIGNMENT); fileInfoPanel.add(fileInfoLabel); fileInfoPanel.add(Box.createHorizontalGlue()); JRadioButton nothingRadio = new JRadioButton(swingConfig.getLocalizer().localize("label.nothing")); nothingRadio.setAlignmentX(Component.LEFT_ALIGNMENT); nothingRadio.setActionCommand(SwingConfig.DefaultFileInfo.NOTHING.name()); nothingRadio.setSelected(swingConfig.getDefaultFileInfo() == SwingConfig.DefaultFileInfo.NOTHING); fileInfoOptions.add(nothingRadio); fileInfoPanel.add(nothingRadio); JRadioButton readOnlyRadio = new JRadioButton( swingConfig.getLocalizer().localize("label.read-only-warning")); readOnlyRadio.setAlignmentX(Component.LEFT_ALIGNMENT); readOnlyRadio.setActionCommand(SwingConfig.DefaultFileInfo.READONLY.name()); readOnlyRadio.setSelected(swingConfig.getDefaultFileInfo() == SwingConfig.DefaultFileInfo.READONLY); fileInfoOptions.add(readOnlyRadio); fileInfoPanel.add(readOnlyRadio); JRadioButton sizeRadio = new JRadioButton(swingConfig.getLocalizer().localize("label.filesize")); sizeRadio.setAlignmentX(Component.LEFT_ALIGNMENT); sizeRadio.setActionCommand(SwingConfig.DefaultFileInfo.SIZE.name()); sizeRadio.setSelected(swingConfig.getDefaultFileInfo() == SwingConfig.DefaultFileInfo.SIZE); fileInfoOptions.add(sizeRadio); fileInfoPanel.add(sizeRadio); JCheckBox showPlainBytesFlag = new JCheckBox( " " + swingConfig.getLocalizer().localize("label.show-plain-bytes")); showPlainBytesFlag.setAlignmentX(Component.LEFT_ALIGNMENT); showPlainBytesFlag.setHorizontalTextPosition(SwingConstants.LEADING); showPlainBytesFlag.setSelected(swingConfig.isShowPlainBytes()); showPlainBytesFlag.addItemListener(new ItemListener() { public void itemStateChanged(ItemEvent event) { showBytes = ItemEvent.SELECTED == event.getStateChange(); } }); fileInfoPanel.add(showPlainBytesFlag); JRadioButton lastModifiedRadio = new JRadioButton( swingConfig.getLocalizer().localize("label.last-modified")); lastModifiedRadio.setAlignmentX(Component.LEFT_ALIGNMENT); lastModifiedRadio.setActionCommand(SwingConfig.DefaultFileInfo.LAST_MODIFIED.name()); lastModifiedRadio .setSelected(swingConfig.getDefaultFileInfo() == SwingConfig.DefaultFileInfo.LAST_MODIFIED); fileInfoOptions.add(lastModifiedRadio); fileInfoPanel.add(lastModifiedRadio); basePanel.add(fileInfoPanel); // buttons JPanel buttonPannel = new JPanel(); buttonPannel.setAlignmentX(Component.LEFT_ALIGNMENT); buttonPannel.setLayout(new FlowLayout(FlowLayout.TRAILING)); // cancel JButton cancelButton = new JButton(swingConfig.getLocalizer().localize("button.cancel")); cancelButton.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent event) { SettingsDialog.this.dispose(); } }); buttonPannel.add(cancelButton); // save JButton saveButton = new JButton(swingConfig.getLocalizer().localize("button.save")); saveButton.addActionListener(new SaveButtonListener()); buttonPannel.add(saveButton); this.getRootPane().setDefaultButton(saveButton); this.add(basePanel); this.add(buttonPannel); placeOnScreen(swingConfig.getScreenCenter()); }
From source file:biomine.bmvis2.pipeline.BestPathHiderOperation.java
public JComponent getSettingsComponent(final SettingsChangeCallback settingsChangeCallback, final VisualGraph graph) { long nodeCount = graph.getAllNodes().size(); if (oldCount != 0) { long newTarget = (target * nodeCount) / oldCount; this.target = Math.max(newTarget, target); } else/* www. j a va 2 s .c o m*/ this.target = nodeCount; this.oldCount = nodeCount; JPanel ret = new JPanel(); // if int overflows, we're fucked final JSlider sl = new JSlider(0, (int) nodeCount, (int) Math.min(target, nodeCount)); sl.addChangeListener(new ChangeListener() { public void stateChanged(ChangeEvent arg0) { if (target == sl.getValue()) return; target = sl.getValue(); settingsChangeCallback.settingsChanged(false); } }); ret.setLayout(new GridBagLayout()); GridBagConstraints c = new GridBagConstraints(); c.weightx = 1; c.weighty = 0; c.fill = GridBagConstraints.HORIZONTAL; c.gridx = 0; c.gridy = 0; //c.gridwidth=2; ret.add(sl, c); c.gridy++; int choices = graph.getNodesOfInterest().size() + 1; Object[] items = new Object[choices]; items[0] = "All PoIs"; for (int i = 1; i < choices; i++) { items[i] = i + " nearest"; } final JComboBox pathTypeBox = new JComboBox(items); pathTypeBox.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent arg0) { int i = pathTypeBox.getSelectedIndex(); grader.setPathK(i); settingsChangeCallback.settingsChanged(false); } }); ret.add(new JLabel("hide by best path quality to:"), c); c.gridy++; ret.add(pathTypeBox, c); c.gridy++; System.out.println("new confpane nodeCount = " + nodeCount); final JCheckBox useMatchingColoring = new JCheckBox(); ret.add(useMatchingColoring, c); useMatchingColoring.setAction(new AbstractAction("Use matching coloring") { public void actionPerformed(ActionEvent arg0) { matchColoring = useMatchingColoring.isSelected(); settingsChangeCallback.settingsChanged(false); } }); useMatchingColoring.setAlignmentX(JComponent.CENTER_ALIGNMENT); c.gridy++; final JCheckBox labelsBox = new JCheckBox(); ret.add(labelsBox, c); labelsBox.setAction(new AbstractAction("Show goodness in node labels") { public void actionPerformed(ActionEvent arg0) { showLabel = labelsBox.isSelected(); settingsChangeCallback.settingsChanged(false); } }); return ret; }
From source file:AppearanceExplorer.java
LineAttributesEditor(LineAttributes init) {
super(BoxLayout.Y_AXIS);
lineAttr = init;/*from ww w .ja v a 2 s . c o m*/
lineWidth = lineAttr.getLineWidth();
linePattern = lineAttr.getLinePattern();
lineAAEnable = lineAttr.getLineAntialiasingEnable();
FloatLabelJSlider lineWidthSlider = new FloatLabelJSlider("Width", 0.1f, 0.0f, 5.0f, lineWidth);
lineWidthSlider.setMajorTickSpacing(1.0f);
lineWidthSlider.setPaintTicks(true);
lineWidthSlider.addFloatListener(new FloatListener() {
public void floatChanged(FloatEvent e) {
lineWidth = e.getValue();
lineAttr.setLineWidth(lineWidth);
}
});
lineWidthSlider.setAlignmentX(Component.LEFT_ALIGNMENT);
add(lineWidthSlider);
String[] patternNames = { "PATTERN_SOLID", "PATTERN_DASH", "PATTERN_DOT", "PATTERN_DASH_DOT" };
int[] patternValues = { LineAttributes.PATTERN_SOLID, LineAttributes.PATTERN_DASH,
LineAttributes.PATTERN_DOT, LineAttributes.PATTERN_DASH_DOT };
IntChooser patternChooser = new IntChooser("Pattern:", patternNames, patternValues, linePattern);
patternChooser.addIntListener(new IntListener() {
public void intChanged(IntEvent event) {
int value = event.getValue();
lineAttr.setLinePattern(value);
}
});
patternChooser.setAlignmentX(Component.LEFT_ALIGNMENT);
add(patternChooser);
JCheckBox lineAACheckBox = new JCheckBox(antiAliasString);
lineAACheckBox.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
JCheckBox checkbox = (JCheckBox) e.getSource();
lineAAEnable = checkbox.isSelected();
lineAttr.setLineAntialiasingEnable(lineAAEnable);
}
});
lineAACheckBox.setAlignmentX(Component.LEFT_ALIGNMENT);
// add the checkbox to the panel
add(lineAACheckBox);
}
From source file:sk.stuba.fiit.kvasnicka.topologyvisual.gui.components.DropDownButton.java
private void init(boolean searchFieldEnabled) { setIcon(ImageResourceHelper/*from ww w . j a va2 s . c o m*/ .loadImage("/sk/stuba/fiit/kvasnicka/topologyvisual/resources/files/arrow_down.gif")); setHorizontalTextPosition(JButton.LEFT); setFocusPainted(false); addActionListener(this); mainPanel.setLayout(new BorderLayout()); JPanel northPanel = new JPanel(new BorderLayout()); if (searchFieldEnabled) { addSearchField(northPanel); } final JCheckBox chSelectAll = new JCheckBox("All"); chSelectAll.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { selectAll(chSelectAll.isSelected()); } }); chSelectAll.setAlignmentX(LEFT_ALIGNMENT); northPanel.add(chSelectAll, BorderLayout.CENTER); northPanel.setAlignmentX(LEFT_ALIGNMENT); northPanel.setBackground(Color.red); mainPanel.add(northPanel, BorderLayout.NORTH); checkPanel.setLayout(new BoxLayout(checkPanel, BoxLayout.PAGE_AXIS)); scrollPane.setViewportView(checkPanel); scrollPane.setPreferredSize(new Dimension(200, 100)); mainPanel.add(scrollPane, BorderLayout.CENTER); popup.add(mainPanel); popup.addPopupMenuListener(new PopupMenuListener() { @Override public void popupMenuWillBecomeVisible(PopupMenuEvent e) { } @Override public void popupMenuWillBecomeInvisible(PopupMenuEvent e) { fireDropDownHiddenEvent(new DropDownHiddenEvent(this, getSelectedCheckBoxItems())); } @Override public void popupMenuCanceled(PopupMenuEvent e) { } }); }