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LayoutManager

Dynamic layout dynamic evaluation

DynamicLayout

Set DynamicLayout to re-evaluate the layout in response to changes such as window resizing.

Specify the width without changing the height of a JButton, etc

Section titled “Specify the width without changing the height of a JButton, etc”
Specify the width without changing the height of a JButton, etc

ButtonWidth

You can change the size of JButtons, JComboBoxes, JTextFields, etc., by specifying only the width while leaving the height at the default value.

Arrange them in a list using BoxLayout

ComponentList

Components of different heights are arranged in a list format so that they can be scrolled.

Create a JButton in the form of an ImageIcon

Section titled “Create a JButton in the form of an ImageIcon”
Create a JButton in the form of an ImageIcon

RoundImageButton

Create a JButton using an arbitrary shape and an image with a transparent color set for that shape.

Using SpringLayout

SpringLayout

We use SpringLayout to specify the arrangement so that the size of each label and its distance from the panel are in a constant ratio.

Using GridBagLayout

GridBagLayout

We'll use GridBagLayout to fix the size of the left and right components, while making the center component horizontally expandable.

Arranged in a brick pattern using GridBagLayout

Section titled “Arranged in a brick pattern using GridBagLayout”
Arranged in a brick pattern using GridBagLayout

BrickLayout

Use GridBagLayout to arrange the components in a brick-like pattern.

Using GroupLayout

GroupLayout

This compares GroupLayout and GridBagLayout, which were newly introduced in JDK6.

Using OverlayLayout

OverlayLayout

Use OverlayLayout to layer the JButtons.

Place a JButton in the margin of the JTabbedPane

Section titled “Place a JButton in the margin of the JTabbedPane”
Place a JButton in the margin of the JTabbedPane

TabbedPaneWithButton

Create some padding in the tab area of ​​the JTabbedPane, and then place a JButton there using OverlayLayout.

Create a JTabbedPane-like component using CardLayout

Section titled “Create a JTabbedPane-like component using CardLayout”
Create a JTabbedPane-like component using CardLayout

CardLayoutTabbedPane

We will create a JTabbedPane-like component by combining CardLayout with JRadioButton and JTableHeader.

Change the JTabbedPane-style tab layout using the layout manager

Section titled “Change the JTabbedPane-style tab layout using the layout manager”
Change the JTabbedPane-style tab layout using the layout manager

NewTabButton

This explains how to change the tab arrangement of a JTabbedPane-like component created with CardLayout and JRadioButton using a custom layout manager.

Use LayoutManager to perform panel unfolding animations

Section titled “Use LayoutManager to perform panel unfolding animations”
Use LayoutManager to perform panel unfolding animations

LayoutAnimation

We will create a LayoutManager that uses animation to unfold and collapse panels.

JMenuBar's JMenu wrap

MenuBarLayout

Change the layout manager of the JMenuBar to wrap the JMenu.

A JTextArea slides in as a caption on top of the image

Section titled “A JTextArea slides in as a caption on top of the image”
A JTextArea slides in as a caption on top of the image

EaseInOut

A JTextArea will appear on top of the image using a slide-in animation.

Extend LayoutManager to place components along curves

Section titled “Extend LayoutManager to place components along curves”
Extend LayoutManager to place components along curves

CurveLayout

Extend LayoutManager to place components along a curve.

Place the JComponent in the bottom right corner of the border

Section titled “Place the JComponent in the bottom right corner of the border”
Place the JComponent in the bottom right corner of the border

RightAlignComponentBorder

We'll use a JLayeredPane with SpringLayout configured to place a JComponent in the bottom right corner of the border.

Change the alignment of the progress text in JProgressBar

Section titled “Change the alignment of the progress text in JProgressBar”
Change the alignment of the progress text in JProgressBar

ProgressStringAlignment

This will change the progress text of the JProgressBar to a JLabel and modify the alignment and other settings.

Switching display on a grid basis using GridLayout and JScrollPane

Section titled “Switching display on a grid basis using GridLayout and JScrollPane”
Switching display on a grid basis using GridLayout and JScrollPane

GridScrollAnimation

We add components to a JPanel using GridLayout, place them in a JScrollPane, and then display them in grid units and switch between them using scroll animations.

Create a composite button by layering multiple JButtons using OverlayLayout

Section titled “Create a composite button by layering multiple JButtons using OverlayLayout”
Create a composite button by layering multiple JButtons using OverlayLayout

CompoundButton

We create a composite button by placing four fan-shaped buttons and a circular button into a JPanel with an OverlayLayout applied.

Make the JScrollBar semi-transparent

TranslucentScrollBar

Create a semi-transparent JScrollBar and place it inside the JViewport.

Place a JButton inside a JMenuItem

ButtonsInMenuItem

Place a JButton inside the JMenuItem to perform cut, copy, and paste operations.

Create a breadcrumb trail by layering buttons in FlowLayout

Section titled “Create a breadcrumb trail by layering buttons in FlowLayout”
Create a breadcrumb trail by layering buttons in FlowLayout

BreadcrumbList

By setting the horizontal spacing of the FlowLayout to a negative value and displaying JRadioButtons on top of each other, we create a breadcrumb-like component.

Change the layout of JPopupMenu and add a menu button to the top

Section titled “Change the layout of JPopupMenu and add a menu button to the top”
Change the layout of JPopupMenu and add a menu button to the top

PopupMenuLayout

By changing the layout of JPopupMenu, the menu buttons will be displayed horizontally at the top.

Visualize passwords with JPasswordField

ShowHidePasswordField

Create a button to toggle the display of the password entered in JPasswordField, and place it in the input field or similar location.

Testing centering of a JLabel in a BoxLayout

Section titled “Testing centering of a JLabel in a BoxLayout”
Testing centering of a JLabel in a BoxLayout

BoxLayoutAlignment

This test centers a JLabel with a minimum size setting on a JPanel that has a BoxLayout configured.

Replace the JInternalFrame in JDesktopPane with the tabs in JTabbedPane

Section titled “Replace the JInternalFrame in JDesktopPane with the tabs in JTabbedPane”
Replace the JInternalFrame in JDesktopPane with the tabs in JTabbedPane

SwapInternalFramesWithTabs

When switching between JDesktopPane and JTabbedPane using CardLayout, all of the JInternalFrames and tabs within them are also swapped.

Displaying JToggleButtons overlaid in FlowLayout

Section titled “Displaying JToggleButtons overlaid in FlowLayout”
Displaying JToggleButtons overlaid in FlowLayout

BackgroundButtonIcon

This example uses FlowLayout to overlap non-rectangular JToggleButtons with left-aligned button text by a specified width.

Switching CardLayout containers in tab areas created with JTableHeader

Section titled “Switching CardLayout containers in tab areas created with JTableHeader”
Switching CardLayout containers in tab areas created with JTableHeader

TableHeaderTabArea

Use a JTableHeader as a tab area and set up a mouse listener so that clicking a TableColumn switches the CardLayout container.

Switch the display state of a dialog box placed on top of a component with animation

Section titled “Switch the display state of a dialog box placed on top of a component with animation”
Switch the display state of a dialog box placed on top of a component with animation

OverlayBorderLayout

We'll create a layout manager that animates the position of a search dialog box placed on top of a component, and toggle its visibility using keyboard input.

Resizing a component using LayoutManager

SizeLayoutManager

Use LayoutManager to change the size and position of components based on their state.

Change the filename and filter labels in JFileChooser to right-align

Section titled “Change the filename and filter labels in JFileChooser to right-align”
Change the filename and filter labels in JFileChooser to right-align

FileChooserFileAndFilterAlignment

This changes the alignment of the filename and filter labels displayed at the bottom of JFileChooser from left-aligned to right-aligned.

Creating a side menu with JTree and CardLayout

Section titled “Creating a side menu with JTree and CardLayout”
Creating a side menu with JTree and CardLayout

VerticalNavigationMenu

We'll modify the JTree's style to create a side menu-like component and implement panel switching in CardLayout based on node selection.

Share the maximum width of JLabels to align vertical positions across different panels

Section titled “Share the maximum width of JLabels to align vertical positions across different panels”
Share the maximum width of JLabels to align vertical positions across different panels

AlignedLabel

To align the vertical position of JLabels across different panels, we search for the widest JLabel and use this as the recommended size for all of them.

Speed ??up the deletion of large numbers of items from JList

Section titled “Speed ??up the deletion of large numbers of items from JList”
Speed ??up the deletion of large numbers of items from JList

FastRemoveOfListItems

This tests a fast method for deleting a large number of items from a JList's ListModel.

When a JToolBar is dragged out, change its LayoutManager

Section titled “When a JToolBar is dragged out, change its LayoutManager”
When a JToolBar is dragged out, change its LayoutManager

FloatingToolBarLayout

When a JToolBar is dragged out, its LayoutManager is changed from the default BoxLayout to GridLayout.

Create a LayoutManager that arranges components in three columns, fixes the width in the center, and stretches them evenly on both sides

Section titled “Create a LayoutManager that arranges components in three columns, fixes the width in the center, and stretches them evenly on both sides”
Create a LayoutManager that arranges components in three columns, fixes the width in the center, and stretches them evenly on both sides

ThreeColumnLayout

Create a LayoutManager that arranges the Components in three columns, with the center component always having a fixed width and the left and right components stretching horizontally equally.

Change the order of components added to JPanel

Section titled “Change the order of components added to JPanel”
Change the order of components added to JPanel

ComponentZOrder

This changes the display order of components within a JPanel by modifying their Z-axis index.

Arrange JButtons in a keyboard-like layout using GridBagLayout

Section titled “Arrange JButtons in a keyboard-like layout using GridBagLayout”
Arrange JButtons in a keyboard-like layout using GridBagLayout

KeyboardLayout

Use GridBagLayout to arrange the JButtons in a keyboard-like layout.

Get the cell position within a GridLayout

PositionInGridLayout

This code retrieves the cell position when a JButton placed within a JPanel with a GridLayout is clicked.

Display the JEditorPane minimap

MiniMap

A minimap for JEditorPane is created using an ImageIcon, and this is then overlaid on a JScrollPane using a LayoutManager.

Wrap JPanel child components horizontally

ScrollableWrapLayout

This code wraps child components placed within a JPanel horizontally and dynamically expands their horizontal spacing to ensure even distribution.

Display the cards before and after the CardLayout to the left and right

Section titled “Display the cards before and after the CardLayout to the left and right”
Display the cards before and after the CardLayout to the left and right

CarouselCardLayout

This code retrieves the cards before and after the current card from a Container with a CardLayout configured, and displays them semi-transparently to the left and right of the current card.

Place a JComboBox for switching cards using OverlayLayout on a panel that has a CardLayout set up

Section titled “Place a JComboBox for switching cards using OverlayLayout on a panel that has a CardLayout set up”
Place a JComboBox for switching cards using OverlayLayout on a panel that has a CardLayout set up

OverlayCardLayout

The JComboBox for switching between cards is placed inside the panel with the CardLayout setting, using an OverlayLayout.

Change the layout of the popup window opened from JMenu to two columns

Section titled “Change the layout of the popup window opened from JMenu to two columns”
Change the layout of the popup window opened from JMenu to two columns

TwoColumnsMenu

Change the layout of the popup window that opens when you click JMenu to GridLayout to display JMenuItem and other elements in two columns.

Draw paragraph borders using JSeparator

ColumnRules

This draws a JSeparator as a border between columns created using a GridLayout or similar.

Display a horizontal JScrollBar in the tab area of ??a JTabbedPane-like component created with CardLayout

Section titled “Display a horizontal JScrollBar in the tab area of ??a JTabbedPane-like component created with CardLayout”
Display a horizontal JScrollBar in the tab area of ??a JTabbedPane-like component created with CardLayout

TabAreaScrollBar

We'll use CardLayout to create a JTabbedPane-like component and display a horizontal JScrollBar in its tab area to make it scrollable.

Implement LayoutManager to always center child components

Section titled “Implement LayoutManager to always center child components”
Implement LayoutManager to always center child components

CenterLayout

Implement a LayoutManager to set the child components to their desired size and ensure they are always centered.

Modify the tab area layout of JTabbedPane and add list view buttons, etc

Section titled “Modify the tab area layout of JTabbedPane and add list view buttons, etc”
Modify the tab area layout of JTabbedPane and add list view buttons, etc

TabAreaLayout

This modifies the tab area layout of JTabbedPane, adding margins and a tab list display button to the right edge.

Set the background color of the TitledBorder

Section titled “Set the background color of the TitledBorder”
Set the background color of the TitledBorder

TitledBorderBackground

I will test how to change the background color of the TitledBorder.

Position the JRadioButton so that its text starting position aligns with the vertically aligned JLabel

Section titled “Position the JRadioButton so that its text starting position aligns with the vertically aligned JLabel”
Position the JRadioButton so that its text starting position aligns with the vertically aligned JLabel

RadioButtonsLabelAlignment

The text of JRadioButtons and JCheckBoxes, excluding the selection icons, will be aligned with the text of vertically positioned JLabels.

Switch the display direction of JToolTip depending on the position of the JToolBar

Section titled “Switch the display direction of JToolTip depending on the position of the JToolBar”
Switch the display direction of JToolTip depending on the position of the JToolBar

ToolBarButtonToolTipOrientation

The JToolTip display position of JButtons placed inside the JToolBar is always switched to face inward, depending on the JToolBar's position, orientation (vertical/horizontal), and language-dependent orientation.

Change the layout of the JMenuBar to position the JMenu vertically

Section titled “Change the layout of the JMenuBar to position the JMenu vertically”
Change the layout of the JMenuBar to position the JMenu vertically

VerticalMenuBar

We will change the JMenuBar layout to a vertical BoxLayout to create a sidebar that arranges the JMenus vertically.

Place multiple JLabels within a JButton using BorderLayout

Section titled “Place multiple JLabels within a JButton using BorderLayout”
Place multiple JLabels within a JButton using BorderLayout

NumericKeypad

Create a keycap by placing two JLabels inside a JButton using BorderLayout, and then arrange this keycap in a numeric keypad-like layout within a JPanel using GridBagLayout.

Place the JSlider and the text input field on top of each other

Section titled “Place the JSlider and the text input field on top of each other”
Place the JSlider and the text input field on top of each other

CompactSlider

This creates a numeric input component by layering a JSlider and a JFormattedTextField using an OverlayLayout.

Create an avatar group with a layout where the left and right JButtons overlap

Section titled “Create an avatar group with a layout where the left and right JButtons overlap”
Create an avatar group with a layout where the left and right JButtons overlap

Avatars

Set circular clipped icons on the JButtons, and create an avatar group where these overlap horizontally by default and expand horizontally on mouseover.

Laying out JButton in a honeycomb pattern

HoneycombHexagonLayout

Create a LayoutManager that sets the JButton shape to a regular hexagon and arranges them in a honeycomb pattern.