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java.lang.Objectjava.awt.Component
java.awt.Container
javax.swing.JComponent
javax.swing.AbstractButton
javax.swing.JButton
javax.swing.plaf.basic.BasicArrowButton
public class BasicArrowButton
A button that displays an arrow (triangle) that points SwingConstants.NORTH,
SwingConstants.SOUTH, SwingConstants.EAST or SwingConstants.WEST. This button is used by
the BasicComboBoxUI class.
BasicComboBoxUI.createArrowButton(),
Serialized Form| Nested Class Summary |
|---|
| Nested classes/interfaces inherited from class javax.swing.JButton |
|---|
JButton.AccessibleJButton |
| Nested classes/interfaces inherited from class javax.swing.AbstractButton |
|---|
AbstractButton.AccessibleAbstractButton, AbstractButton.ButtonChangeListener |
| Nested classes/interfaces inherited from class javax.swing.JComponent |
|---|
JComponent.AccessibleJComponent |
| Nested classes/interfaces inherited from class java.awt.Container |
|---|
Container.AccessibleAWTContainer |
| Nested classes/interfaces inherited from class java.awt.Component |
|---|
Component.AccessibleAWTComponent, Component.BltBufferStrategy, Component.FlipBufferStrategy |
| Field Summary | |
|---|---|
protected int |
direction
The direction that the arrow points. |
| Fields inherited from class javax.swing.JComponent |
|---|
accessibleContext, listenerList, TOOL_TIP_TEXT_KEY, ui, UNDEFINED_CONDITION, WHEN_ANCESTOR_OF_FOCUSED_COMPONENT, WHEN_FOCUSED, WHEN_IN_FOCUSED_WINDOW |
| Fields inherited from class java.awt.Component |
|---|
BOTTOM_ALIGNMENT, CENTER_ALIGNMENT, LEFT_ALIGNMENT, RIGHT_ALIGNMENT, TOP_ALIGNMENT |
| Fields inherited from interface javax.swing.SwingConstants |
|---|
BOTTOM, CENTER, EAST, HORIZONTAL, LEADING, LEFT, NEXT, NORTH, NORTH_EAST, NORTH_WEST, PREVIOUS, RIGHT, SOUTH, SOUTH_EAST, SOUTH_WEST, TOP, TRAILING, VERTICAL, WEST |
| Fields inherited from interface java.awt.image.ImageObserver |
|---|
ABORT, ALLBITS, ERROR, FRAMEBITS, HEIGHT, PROPERTIES, SOMEBITS, WIDTH |
| Constructor Summary | |
|---|---|
BasicArrowButton(int direction)
Creates a new BasicArrowButton object with an arrow pointing
in the specified direction. |
|
BasicArrowButton(int direction,
Color background,
Color shadow,
Color darkShadow,
Color highlight)
Creates a new BasicArrowButton object with the given colors and direction. |
|
| Method Summary | |
|---|---|
int |
getDirection()
Returns the direction of the arrow (one of: SwingConstants.NORTH,
SwingConstants.SOUTH, SwingConstants.EAST and SwingConstants.WEST). |
Dimension |
getMaximumSize()
Returns the maximum size of the arrow button. |
Dimension |
getMinimumSize()
Returns the minimum size of the arrow button. |
Dimension |
getPreferredSize()
Returns the preferred size of the arrow button. |
boolean |
isFocusTraversable()
Returns whether the focus can traverse to this component. |
void |
paint(Graphics g)
Paints the arrow button. |
void |
paintTriangle(Graphics g,
int x,
int y,
int size,
int direction,
boolean isEnabled)
Paints a triangle with the given size, location and direction. |
void |
setDirection(int dir)
Sets the direction of the arrow. |
| Methods inherited from class javax.swing.JButton |
|---|
configurePropertiesFromAction, getAccessibleContext, getUIClassID, isDefaultButton, isDefaultCapable, paramString, removeNotify, setDefaultCapable, updateUI |
| Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
| Field Detail |
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protected int direction
getDirection()| Constructor Detail |
|---|
public BasicArrowButton(int direction)
BasicArrowButton object with an arrow pointing
in the specified direction. If the direction is not one of
the specified constants, no arrow is drawn.
direction - The direction the arrow points in (one of:
SwingConstants.NORTH, SwingConstants.SOUTH, SwingConstants.EAST and SwingConstants.WEST).
public BasicArrowButton(int direction,
Color background,
Color shadow,
Color darkShadow,
Color highlight)
direction - The direction to point in (one of:
SwingConstants.NORTH, SwingConstants.SOUTH, SwingConstants.EAST and SwingConstants.WEST).background - The background color.shadow - The shadow color.darkShadow - The dark shadow color.highlight - The highlight color.| Method Detail |
|---|
public boolean isFocusTraversable()
false.
isFocusTraversable in class Componentfalse.Component.setFocusable(boolean)public int getDirection()
SwingConstants.NORTH,
SwingConstants.SOUTH, SwingConstants.EAST and SwingConstants.WEST).
public void setDirection(int dir)
dir - The new direction of the arrow (one of: SwingConstants.NORTH,
SwingConstants.SOUTH, SwingConstants.EAST and SwingConstants.WEST).public void paint(Graphics g)
paint in class JComponentg - The Graphics object to paint with.JComponent.paintImmediately(Rectangle)public Dimension getPreferredSize()
getPreferredSize in class JComponentComponent.setPreferredSize(java.awt.Dimension),
Component.getPreferredSize(),
Component.isPreferredSizeSet(),
ComponentUI.getPreferredSize(JComponent)public Dimension getMinimumSize()
getMinimumSize in class JComponentComponent.setMinimumSize(java.awt.Dimension),
Component.getMinimumSize(),
Component.isMinimumSizeSet(),
ComponentUI.getMinimumSize(JComponent)public Dimension getMaximumSize()
getMaximumSize in class JComponentComponent.setMaximumSize(java.awt.Dimension),
Component.getMaximumSize(),
Component.isMaximumSizeSet(),
ComponentUI.getMaximumSize(JComponent)
public void paintTriangle(Graphics g,
int x,
int y,
int size,
int direction,
boolean isEnabled)
g - the graphics device.x - the x-coordinate for the triangle's location.y - the y-coordinate for the triangle's location.size - the arrow size (depth).direction - the direction of the arrow (one of: SwingConstants.NORTH,
SwingConstants.SOUTH, SwingConstants.EAST and SwingConstants.WEST).isEnabled - if true the arrow is drawn in the enabled
state, otherwise it is drawn in the disabled state.
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