JSlider

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javax.swing
Class JSlider

java.lang.Object   
  java.awt.Component   
      java.awt.Container   
          javax.swing.JComponent   
              javax.swing.JSlider

All Implemented Interfaces:: ImageObserver , MenuContainer , Serializable , Accessible , SwingConstants

public class JSlider
extends JComponent
implements SwingConstants , Accessible
extends JComponent
implements SwingConstants , Accessible

A component that lets the user graphically select a value by sliding a knob within a bounded interval. The slider can show both major tick marks and minor tick marks between them. The number of values between the tick marks is controlled with setMajorTickSpacing and setMinorTickSpacing.

For further information and examples see How to Use Sliders, a section in The Java Tutorial.

Warning: Serialized objects of this class will not be compatible with future Swing releases. The current serialization support is appropriate for short term storage or RMI between applications running the same version of Swing. As of 1.4, support for long term storage of all JavaBeans^TM has been added to the java.beans package. Please see XMLEncoder .

See Also:: Serialized Form

Nested Class Summary
`protected class`	`JSlider.AccessibleJSlider` This class implements accessibility support for the `JSlider` class.

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 ChangeEvent`	`changeEvent` Only one `ChangeEvent` is needed per slider instance since the event's only (read-only) state is the source property.
`protected ChangeListener`	`changeListener` The changeListener (no suffix) is the listener we add to the Sliders model.
`protected int`	`majorTickSpacing` The number of values between the major tick marks -- the larger marks that break up the minor tick marks.
`protected int`	`minorTickSpacing` The number of values between the minor tick marks -- the smaller marks that occur between the major tick marks.
`protected int`	`orientation`
`protected BoundedRangeModel`	`sliderModel` The data model that handles the numeric maximum value, minimum value, and current-position value for the slider.
`protected boolean`	`snapToTicks` If true, the knob (and the data value it represents) resolve to the closest tick mark next to where the user positioned the knob.

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
`JSlider ()` Creates a horizontal slider with the range 0 to 100 and an initial value of 50.
`JSlider (BoundedRangeModel brm)` Creates a horizontal slider using the specified BoundedRangeModel.
`JSlider (int orientation)` Creates a slider using the specified orientation with the range 0 to 100 and an initial value of 50.
`JSlider (int min, int max)` Creates a horizontal slider using the specified min and max with an initial value equal to the average of the min plus max.
`JSlider (int min, int max, int value)` Creates a horizontal slider using the specified min, max and value.
`JSlider (int orientation, int min, int max, int value)` Creates a slider with the specified orientation and the specified minimum, maximum, and initial values.

Method Summary
`void`	`addChangeListener (ChangeListener l)` Adds a ChangeListener to the slider.
`protected ChangeListener`	`createChangeListener ()` Subclasses that want to handle model ChangeEvents differently can override this method to return their own ChangeListener implementation.
`Hashtable`	`createStandardLabels (int increment)` Creates a hashtable that will draw text labels starting at the slider minimum using the increment specified.
`Hashtable`	`createStandardLabels (int increment, int start)` Creates a hashtable that will draw text labels starting at the start point specified using the increment specified.
`protected void`	`fireStateChanged ()` Send a ChangeEvent, whose source is this Slider, to each listener.
`AccessibleContext`	`getAccessibleContext ()` Gets the AccessibleContext associated with this JSlider.
`ChangeListener []`	`getChangeListeners ()` Returns an array of all the `ChangeListener`s added to this JSlider with addChangeListener().
`int`	`getExtent ()` Returns the "extent" -- the range of values "covered" by the knob.
`boolean`	`getInverted ()` Returns true if the value-range shown for the slider is reversed,
`Dictionary`	`getLabelTable ()` Returns the dictionary of what labels to draw at which values.
`int`	`getMajorTickSpacing ()` This method returns the major tick spacing.
`int`	`getMaximum ()` Returns the maximum value supported by the slider.
`int`	`getMinimum ()` Returns the minimum value supported by the slider.
`int`	`getMinorTickSpacing ()` This method returns the minor tick spacing.
`BoundedRangeModel`	`getModel ()` Returns data model that handles the sliders three fundamental properties: minimum, maximum, value.
`int`	`getOrientation ()` Return this slider's vertical or horizontal orientation.
`boolean`	`getPaintLabels ()` Tells if labels are to be painted.
`boolean`	`getPaintTicks ()` Tells if tick marks are to be painted.
`boolean`	`getPaintTrack ()` Tells if the track (area the slider slides in) is to be painted.
`boolean`	`getSnapToTicks ()` Returns true if the knob (and the data value it represents) resolve to the closest tick mark next to where the user positioned the knob.
`SliderUI`	`getUI ()` Gets the UI object which implements the L&F for this component.
`String`	`getUIClassID ()` Returns the name of the L&F class that renders this component.
`int`	`getValue ()` Returns the sliders value.
`boolean`	`getValueIsAdjusting ()` True if the slider knob is being dragged.
`protected String`	`paramString ()` Returns a string representation of this JSlider.
`void`	`removeChangeListener (ChangeListener l)` Removes a ChangeListener from the slider.
`void`	`setExtent (int extent)` Sets the size of the range "covered" by the knob.
`void`	`setInverted (boolean b)` Specify true to reverse the value-range shown for the slider and false to put the value range in the normal order.
`void`	`setLabelTable (Dictionary labels)` Used to specify what label will be drawn at any given value.
`void`	`setMajorTickSpacing (int n)` This method sets the major tick spacing.
`void`	`setMaximum (int maximum)` Sets the models maximum property.
`void`	`setMinimum (int minimum)` Sets the models minimum property.
`void`	`setMinorTickSpacing (int n)` This method sets the minor tick spacing.
`void`	`setModel (BoundedRangeModel newModel)` Sets the model that handles the sliders three fundamental properties: minimum, maximum, value.
`void`	`setOrientation (int orientation)` Set the scrollbars orientation to either VERTICAL or HORIZONTAL.
`void`	`setPaintLabels (boolean b)` Determines whether labels are painted on the slider.
`void`	`setPaintTicks (boolean b)` Determines whether tick marks are painted on the slider.
`void`	`setPaintTrack (boolean b)` Determines whether the track is painted on the slider.
`void`	`setSnapToTicks (boolean b)` Specifying true makes the knob (and the data value it represents) resolve to the closest tick mark next to where the user positioned the knob.
`void`	`setUI (SliderUI ui)` Sets the UI object which implements the L&F for this component.
`void`	`setValue (int n)` Sets the sliders current value.
`void`	`setValueIsAdjusting (boolean b)` Sets the models valueIsAdjusting property.
`protected void`	`updateLabelUIs ()` Resets the UI property to a value from the current look and feel.
`void`	`updateUI ()` Resets the UI property to a value from the current look and feel.

Methods inherited from class javax.swing.JComponent
`addAncestorListener , addNotify , addVetoableChangeListener , computeVisibleRect , contains , createToolTip , disable , enable , firePropertyChange , firePropertyChange , firePropertyChange , fireVetoableChange , getActionForKeyStroke , getActionMap , getAlignm`

javax.swing Class JSlider

javax.swing
Class JSlider