jwo.utils
Class JWSlider

java.lang.Object
  |
  +--java.awt.Component
        |
        +--java.awt.Container
              |
              +--java.awt.Panel
                    |
                    +--jwo.utils.JWSlider

All Implemented Interfaces:

Accessible, AdjustmentListener, EventListener, ImageObserver, MenuContainer, Serializable

public class JWSlider

extends Panel

implements AdjustmentListener

Creates a slider bar whose value can be changed moving the bar.

Version:

1.8.0, 11th March, 2001

Author:

Jo Wood

See Also:

Serialized Form

Nested Class Summary

Nested classes inherited from class java.awt.Panel

Panel.AccessibleAWTPanel

Nested classes inherited from class java.awt.Container

Container.AccessibleAWTContainer

Nested classes inherited from class java.awt.Component

Component.AccessibleAWTComponent, Component.BltBufferStrategy, Component.FlipBufferStrategy

Field Summary

Fields inherited from class java.awt.Component

BOTTOM_ALIGNMENT, CENTER_ALIGNMENT, LEFT_ALIGNMENT, RIGHT_ALIGNMENT, TOP_ALIGNMENT

Fields inherited from interface java.awt.image.ImageObserver

ABORT, ALLBITS, ERROR, FRAMEBITS, HEIGHT, PROPERTIES, SOMEBITS, WIDTH

Constructor Summary

JWSlider()
Creates a slider bar with default range (1-10) and initial value (5).

JWSlider(float min, float max, float inc)
Creates a slider bar with a given minimum and maximum value.

JWSlider(float min, float max, float inc, float initial)
Creates a slider bar with a given minimum, maximum and initial value.

JWSlider(float min, float max, float inc, float initial, AdjustmentListener listener)
Creates a slider bar with a given minimum, maximum, and initial value and identifies a listener that responds to changes.

JWSlider(float min, float max, float inc, float initial, String title, AdjustmentListener listener)
Creates a slider bar with a given minimum, maximum, and initial value and identifies a listener that responds to changes.

Method Summary

void	adjustmentValueChanged(AdjustmentEvent event) Responds to a change in the scrollbar's value.
Scrollbar	getScrollbar() Returns the scrollbar that generates events.
float	getValue() Reports the current value selected by the slider.
void	setValue(float value) Sets a new value for the slider.

Methods inherited from class java.awt.Panel

addNotify, getAccessibleContext

Methods inherited from class java.awt.Container

add, add, add, add, add, addContainerListener, addImpl, addPropertyChangeListener, addPropertyChangeListener, applyComponentOrientation, areFocusTraversalKeysSet, countComponents, deliverEvent, doLayout, findComponentAt, findComponentAt, getAlignmentX, getAlignmentY, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getContainerListeners, getFocusTraversalKeys, getFocusTraversalPolicy, getInsets, getLayout, getListeners, getMaximumSize, getMinimumSize, getPreferredSize, insets, invalidate, isAncestorOf, isFocusCycleRoot, isFocusCycleRoot, isFocusTraversalPolicySet, layout, list, list, locate, minimumSize, paint, paintComponents, paramString, preferredSize, print, printComponents, processContainerEvent, processEvent, remove, remove, removeAll, removeContainerListener, removeNotify, setFocusCycleRoot, setFocusTraversalKeys, setFocusTraversalPolicy, setFont, setLayout, transferFocusBackward, transferFocusDownCycle, update, validate, validateTree

Methods inherited from class java.awt.Component

action, add, addComponentListener, addFocusListener, addHierarchyBoundsListener, addHierarchyListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, addMouseWheelListener, bounds, checkImage, checkImage, coalesceEvents, contains, contains, createImage, createImage, createVolatileImage, createVolatileImage, disable, disableEvents, dispatchEvent, enable, enable, enableEvents, enableInputMethods, firePropertyChange, firePropertyChange, firePropertyChange, getBackground, getBounds, getBounds, getColorModel, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusCycleRootAncestor, getFocusListeners, getFocusTraversalKeysEnabled, getFont, getFontMetrics, getForeground, getGraphics, getGraphicsConfiguration, getHeight, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputContext, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getLocale, getLocation, getLocation, getLocationOnScreen, getMouseListeners, getMouseMotionListeners, getMouseWheelListeners, getName, getParent, getPeer, getPropertyChangeListeners, getPropertyChangeListeners, getSize, getSize, getToolkit, getTreeLock, getWidth, getX, getY, gotFocus, handleEvent, hasFocus, hide, imageUpdate, inside, isBackgroundSet, isCursorSet, isDisplayable, isDoubleBuffered, isEnabled, isFocusable, isFocusOwner, isFocusTraversable, isFontSet, isForegroundSet, isLightweight, isOpaque, isShowing, isValid, isVisible, keyDown, keyUp, list, list, list, location, lostFocus, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, postEvent, prepareImage, prepareImage, printAll, processComponentEvent, processFocusEvent, processHierarchyBoundsEvent, processHierarchyEvent, processInputMethodEvent, processKeyEvent, processMouseEvent, processMouseMotionEvent, processMouseWheelEvent, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, repaint, requestFocus, requestFocus, requestFocusInWindow, requestFocusInWindow, reshape, resize, resize, setBackground, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setEnabled, setFocusable, setFocusTraversalKeysEnabled, setForeground, setIgnoreRepaint, setLocale, setLocation, setLocation, setName, setSize, setSize, setVisible, show, show, size, toString, transferFocus, transferFocusUpCycle

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

JWSlider

public JWSlider()

Creates a slider bar with default range (1-10) and initial value (5).

JWSlider

public JWSlider(float min,
                float max,
                float inc)

Creates a slider bar with a given minimum and maximum value.

Parameters:

min - Minimum slider value.

max - Maximum slider value.

inc - Minimum increment between values.

JWSlider

public JWSlider(float min,
                float max,
                float inc,
                float initial)

Creates a slider bar with a given minimum, maximum and initial value.

Parameters:

min - Minimum slider value.

max - Maximum slider value.

inc - Minimum increment between values.

initial - Initial slider value.

JWSlider

public JWSlider(float min,
                float max,
                float inc,
                float initial,
                AdjustmentListener listener)

Creates a slider bar with a given minimum, maximum, and initial value and identifies a listener that responds to changes.

Parameters:

min - Minimum slider value.

max - Maximum slider value.

inc - Minimum increment between values.

initial - Initial slider value.

listener - Component to be notified of adjustment events.

JWSlider

public JWSlider(float min,
                float max,
                float inc,
                float initial,
                String title,
                AdjustmentListener listener)

Creates a slider bar with a given minimum, maximum, and initial value and identifies a listener that responds to changes.

Parameters:

min - Minimum slider value.

max - Maximum slider value.

inc - Minimum increment between values.

initial - Initial slider value.

title - Title associated with slider.

listener - Component to be notified of adjustment events.

Method Detail

getValue

public float getValue()

Reports the current value selected by the slider.

Returns:

Current slider value.

setValue

public void setValue(float value)

Sets a new value for the slider.

Parameters:

value - New slider value.

getScrollbar

public Scrollbar getScrollbar()

Returns the scrollbar that generates events. This is uniques to each slider and so can be used to identify.

Returns:

Current slider value.

adjustmentValueChanged

public void adjustmentValueChanged(AdjustmentEvent event)

Responds to a change in the scrollbar's value.

Specified by:

adjustmentValueChanged in interface AdjustmentListener

Parameters:

event - Scrollbar adjustment event.