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java.lang.Objectjavax.swing.plaf.ComponentUI
javax.swing.plaf.ComboBoxUI
javax.swing.plaf.basic.BasicComboBoxUI
com.sun.java.swing.plaf.windows.WindowsComboBoxUI
com.jgoodies.looks.windows.WindowsComboBoxUI
public class WindowsComboBoxUI
The JGoodies Windows Look&Feel implementation of
ComboBoxUI
.
Corrects the editor insets for editable combo boxes
as well as the render insets for non-editable combos. And it has
the same height as text fields - unless you change the renderer.
Also, this class offers to use the combo's popup prototype display value to compute the popup menu width. This is an optional feature of the JGoodies Windows L&f implemented via a client property key.
Options.COMBO_POPUP_PROTOTYPE_DISPLAY_VALUE_KEY
Nested Class Summary |
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Nested classes/interfaces inherited from class com.sun.java.swing.plaf.windows.WindowsComboBoxUI |
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com.sun.java.swing.plaf.windows.WindowsComboBoxUI.WindowsComboBoxEditor |
Nested classes/interfaces inherited from class javax.swing.plaf.basic.BasicComboBoxUI |
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BasicComboBoxUI.ComboBoxLayoutManager, BasicComboBoxUI.FocusHandler, BasicComboBoxUI.ItemHandler, BasicComboBoxUI.KeyHandler, BasicComboBoxUI.ListDataHandler, BasicComboBoxUI.PropertyChangeHandler |
Field Summary |
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Fields inherited from class javax.swing.plaf.basic.BasicComboBoxUI |
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arrowButton, cachedMinimumSize, comboBox, currentValuePane, editor, focusListener, hasFocus, isMinimumSizeDirty, itemListener, keyListener, listBox, listDataListener, popup, popupKeyListener, popupMouseListener, popupMouseMotionListener |
Constructor Summary | |
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WindowsComboBoxUI()
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Method Summary | |
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protected void |
configureEditor()
|
protected JButton |
createArrowButton()
Creates the arrow button that is to be used in the combo box. |
protected ComboBoxEditor |
createEditor()
Creates the editor that is to be used in editable combo boxes. |
protected LayoutManager |
createLayoutManager()
Creates a layout manager for managing the components which make up the combo box. |
protected ComboPopup |
createPopup()
Creates a ComboPopup that honors the optional combo popup display value that is used to compute the popup menu width. |
protected ListCellRenderer |
createRenderer()
Creates the default renderer that will be used in a non-editiable combo box. |
static ComponentUI |
createUI(JComponent b)
|
Dimension |
getMinimumSize(JComponent c)
The minumum size is the size of the display area plus insets plus the button. |
Dimension |
getPreferredSize(JComponent c)
Delegates to #getMinimumSize(Component). |
protected void |
installListeners()
|
void |
installUI(JComponent c)
|
protected boolean |
isRendererBorderRemovable(JComponent rendererComponent)
Checks and answer whether the border of the given renderer component can be removed temporarily, so the combo's selection background will be consistent with the default renderer and native appearance. |
void |
paintCurrentValue(Graphics g,
Rectangle bounds,
boolean hasFocus)
Paints the currently selected item. |
protected Rectangle |
rectangleForCurrentValue()
Returns the area that is reserved for drawing the currently selected item. |
protected void |
uninstallListeners()
|
Methods inherited from class com.sun.java.swing.plaf.windows.WindowsComboBoxUI |
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installKeyboardActions, paint, paintCurrentValueBackground, unconfigureEditor, uninstallUI |
Methods inherited from class javax.swing.plaf.ComponentUI |
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contains, update |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public WindowsComboBoxUI()
Method Detail |
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public static ComponentUI createUI(JComponent b)
public void installUI(JComponent c)
installUI
in class com.sun.java.swing.plaf.windows.WindowsComboBoxUI
protected void installListeners()
installListeners
in class com.sun.java.swing.plaf.windows.WindowsComboBoxUI
protected void uninstallListeners()
uninstallListeners
in class com.sun.java.swing.plaf.windows.WindowsComboBoxUI
protected JButton createArrowButton()
Overridden to paint black triangles.
createArrowButton
in class com.sun.java.swing.plaf.windows.WindowsComboBoxUI
protected ComboBoxEditor createEditor()
createEditor
in class com.sun.java.swing.plaf.windows.WindowsComboBoxUI
protected LayoutManager createLayoutManager()
Overriden to use a layout that has a fixed width arrow button.
createLayoutManager
in class com.sun.java.swing.plaf.windows.WindowsComboBoxUI
protected void configureEditor()
configureEditor
in class com.sun.java.swing.plaf.windows.WindowsComboBoxUI
protected ComboPopup createPopup()
createPopup
in class com.sun.java.swing.plaf.windows.WindowsComboBoxUI
protected ListCellRenderer createRenderer()
setRenderer
.This method differs from the superclass implementation in that it uses an empty border with the default left and right text insets, the same as used by a combo box editor.
createRenderer
in class com.sun.java.swing.plaf.windows.WindowsComboBoxUI
ListCellRender
used for the combo boxJComboBox.setRenderer(javax.swing.ListCellRenderer)
public Dimension getMinimumSize(JComponent c)
getMinimumSize
in class BasicComboBoxUI
public Dimension getPreferredSize(JComponent c)
getPreferredSize
in class com.sun.java.swing.plaf.windows.WindowsComboBoxUI
public void paintCurrentValue(Graphics g, Rectangle bounds, boolean hasFocus)
paintCurrentValue
in class com.sun.java.swing.plaf.windows.WindowsComboBoxUI
protected boolean isRendererBorderRemovable(JComponent rendererComponent)
#paintCurrentValue
.
It is safe to remove an EmptyBorder if the component doesn't override
#update
, #paint
and #paintBorder
.
Since we know the default renderer, we can remove its border.
Custom renderers may set a hint to make their border removable.
To do so, set the client property "isBorderRemovable"
to Boolean.TRUE
. If this client property is set,
its value will be returned. If it is not set, true
is returned
if and only if the component's border is an EmptyBorder.
rendererComponent
- the renderer component to check
paintCurrentValue(Graphics, Rectangle, boolean)
protected Rectangle rectangleForCurrentValue()
rectangleForCurrentValue
in class BasicComboBoxUI
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