Package com.luciad.gui.swing

Class TLcdRangeSlider

java.lang.Object

java.awt.Component

java.awt.Container

javax.swing.JComponent

com.luciad.gui.swing.TLcdRangeSlider

All Implemented Interfaces:

ImageObserver, MenuContainer, Serializable, SwingConstants

public class TLcdRangeSlider
extends JComponent
implements SwingConstants

A component that lets the user graphically select a range by sliding a minimum and maximum knob within a bounded interval. The slider can display major tick marks, minor tick marks and labels. The range in between the knobs can be displayed too.

See Also:

• Serialized Form

Nested Class Summary

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.BaselineResizeBehavior, Component.BltBufferStrategy, Component.FlipBufferStrategy

Field Summary

Fields

Modifier and Type	Field	Description
protected ChangeEvent	fChangeEvent	Only one ChangeEvent is needed per slider instance since the event's only (read-only) state is the source property.
protected double	fKeyStep	The number of values the knobs move by when they are moved using the keyboard.
protected Dictionary	fLabelTable
protected double	fMajorTickSpacing	The number of values between the major tick marks -- the larger marks that break up the minor tick marks.
protected double	fMinorTickSpacing	The number of values between the minor tick marks -- the smaller marks that occur between the major tick marks.
protected int	fOrientation
protected TLcdRangeSliderModel	fRangeSliderModel	The data that handles the numeric maximum value, minimum value, and current-position value for the slider.
protected boolean	fShowLabels	If true, the labels are drawn.
protected boolean	fShowMajorTicks	If true, the major ticks are drawn.
protected boolean	fShowMinorTicks	If true, the minor ticks are drawn.
protected boolean	fShowRange	If true, the range is drawn.
protected boolean	fSlideCursorFlag	If true, the cursor changes to a move cursor when held over the range between the minimum and maximum knob.
protected boolean	fSnapToTicks	If true, the knobs (and the data range they represents) resolve to the closest tick mark next to where the user positioned the knobs.

Fields inherited from class javax.swing.JComponent

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

accessibleContext, 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

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

Constructor Summary

Constructors

Constructor	Description
TLcdRangeSlider(double aMin, double aMax)	Constructor, takes only a minimum and maximum, all possible options are set to true, except "snap to ticks".
TLcdRangeSlider(double aMin, double aMax, int aOrientation)	Constructor, takes only a minimum maximum and a orientation, all possible options are set to true, except "snap to ticks".

Method Summary

Modifier and Type	Method	Description
void	addChangeListener(ChangeListener aChangeListener)	Adds a listener that will be notified of changes of the model.
Hashtable	createStandardLabels(double aIncrement)	Creates a hashtable that will draw text labels starting at the slider minimum using the aIncrement specified.
Hashtable	createStandardLabels(double aIncrement, double aStart)	Creates a hashtable that will draw text labels starting at the aStart point specified using the aIncrement specified.
boolean	getChangeCursorOverRange()	Tells is the cursor changes to a move cursor when held over the range between the minimum and maximum knob.
double	getKeyStep()	Returns the number of values the knobs move by when they are moved using the keyboard.
Dictionary	getLabelTable()
double	getMajorTickSpacing()	Gets the amount of data values between major ticks.
double	getMaximum()	Returns the models range maximum value.
double	getMinimum()	Returns the models minimum value.
double	getMinorTickSpacing()	Gets the range of data values between minor ticks.
TLcdRangeSliderModel	getModel()	Returns the model that handles the sliders fundamental properties: minimum, maximum, range minimum and range maximum.
int	getOrientation()	Returns how this slider should be rendered.
boolean	getPaintLabels()	Tells if labels are to be painted.
boolean	getPaintMajorTicks()	Tells if major tick marks are to be painted.
boolean	getPaintMinorTicks()	Tells if minor tick marks are to be painted.
boolean	getPaintRange()	Tells if the range between the minimum and maximum knobs is to be painted.
boolean	getPaintTicks()	Tells if either the major or minor (or both) tick marks are to be painted.
int	getPrecision()	Returns the number of digits after the decimal point to which the data values are rounded.
double	getRangeMaximum()	Returns the models range maximum value.
double	getRangeMinimum()	Returns the models range minimum value.
boolean	getSnapToTicks()	Returns true if the knobs (and the range they represent) resolve to the closest tick mark next to where the user positioned the knobs.
String	getUIClassID()
boolean	getValueIsAdjusting()	Returns true if one or both of the slider knobs are being dragged.
void	removeChangeListener(ChangeListener aChangeListener)	Removes a listener that will be notified of changes of the model.
void	reset()	Sets the minimum and maximum knob to the models minimum and maximum.
void	setChangeCursorOverRange(boolean aChangeCursorOverRange)	Determines whether the cursor changes to a move cursor when held over the range between the minimum and maximum knob.
void	setEnabled(boolean enabled)
void	setKeyStep(double aKeyStep)	Sets the number of values the knobs move by when they are moved using the keyboard.
void	setLabelTable(Dictionary labels)
void	setMajorTickSpacing(double aMajorTickSpacing)	Sets the spacing between major ticks.
void	setMaximum(double aMaximum)	Sets the models maximum value.
void	setMinimum(double aMinimum)	Sets the models minimum value.
void	setMinorTickSpacing(double aMinorTickSpacing)	Sets the spacing between minor ticks.
void	setModel(TLcdRangeSliderModel aRangeSliderModel)	Sets the model that handles the sliders fundamental properties: minimum, maximum, range minimum and range maximum.
void	setOrientation(int aOrientation)	Sets how the slider should be rendered, vertically or horizontally.
void	setPaintLabels(boolean aPaintLabels)	Tells if labels are to be painted.
void	setPaintMajorTicks(boolean aPaintMajorTicks)	Determines whether major tick marks are painted on the slider.
void	setPaintMinorTicks(boolean aPaintMinorTicks)	Determines whether minor tick marks are painted on the slider.
void	setPaintTicks(boolean aPaintTicks)	Determines whether tick marks (both major and minor) are painted on the slider.
void	setPrecision(int aPrecision)	Determines the number of digits after the decimal point.
void	setRange(double aMin, double aMax)	Sets the models range minimum and maximum value.
void	setRangeMaximum(double aRangeMaximum)	Sets the models range maximum value.
void	setRangeMinimum(double aRangeMinimum)	Sets the models range minimum value.
void	setRangeVisble(boolean aRangeVisible)	Determines whether the range is painted on the slider
void	setSnapToTicks(boolean aSnapToTicks)	Specifying true makes the knobs (and the range they represent) resolve to the closest tick mark next to where the user positioned the knobs.
void	setValueIsAdjusting(boolean aValueIsAdjusting)	Sets whether the model should anticipate on subsequent changes.
protected void	updateLabelUIs()	Resets the UI property to a value from the current look and feel.
void	updateUI()

Methods inherited from class javax.swing.JComponent

addAncestorListener, addNotify, addVetoableChangeListener, computeVisibleRect, contains, createToolTip, disable, enable, firePropertyChange, firePropertyChange, firePropertyChange, fireVetoableChange, getActionForKeyStroke, getActionMap, getAlignmentX, getAlignmentY, getAncestorListeners, getAutoscrolls, getBaseline, getBaselineResizeBehavior, getBorder, getBounds, getClientProperty, getComponentGraphics, getComponentPopupMenu, getConditionForKeyStroke, getDebugGraphicsOptions, getDefaultLocale, getFontMetrics, getGraphics, getHeight, getInheritsPopupMenu, getInputMap, getInputMap, getInputVerifier, getInsets, getInsets, getListeners, getLocation, getMaximumSize, getMinimumSize, getNextFocusableComponent, getPopupLocation, getPreferredSize, getRegisteredKeyStrokes, getRootPane, getSize, getToolTipLocation, getToolTipText, getToolTipText, getTopLevelAncestor, getTransferHandler, getUI, getVerifyInputWhenFocusTarget, getVetoableChangeListeners, getVisibleRect, getWidth, getX, getY, grabFocus, hide, isDoubleBuffered, isLightweightComponent, isManagingFocus, isOpaque, isOptimizedDrawingEnabled, isPaintingForPrint, isPaintingOrigin, isPaintingTile, isRequestFocusEnabled, isValidateRoot, paint, paintBorder, paintChildren, paintComponent, paintImmediately, paintImmediately, paramString, print, printAll, printBorder, printChildren, printComponent, processComponentKeyEvent, processKeyBinding, processKeyEvent, processMouseEvent, processMouseMotionEvent, putClientProperty, registerKeyboardAction, registerKeyboardAction, removeAncestorListener, removeNotify, removeVetoableChangeListener, repaint, repaint, requestDefaultFocus, requestFocus, requestFocus, requestFocusInWindow, requestFocusInWindow, resetKeyboardActions, reshape, revalidate, scrollRectToVisible, setActionMap, setAlignmentX, setAlignmentY, setAutoscrolls, setBackground, setBorder, setComponentPopupMenu, setDebugGraphicsOptions, setDefaultLocale, setDoubleBuffered, setFocusTraversalKeys, setFont, setForeground, setInheritsPopupMenu, setInputMap, setInputVerifier, setMaximumSize, setMinimumSize, setNextFocusableComponent, setOpaque, setPreferredSize, setRequestFocusEnabled, setToolTipText, setTransferHandler, setUI, setVerifyInputWhenFocusTarget, setVisible, unregisterKeyboardAction, update

Methods inherited from class java.awt.Container

add, add, add, add, add, addContainerListener, addImpl, addPropertyChangeListener, addPropertyChangeListener, applyComponentOrientation, areFocusTraversalKeysSet, countComponents, deliverEvent, doLayout, findComponentAt, findComponentAt, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getComponentZOrder, getContainerListeners, getFocusTraversalKeys, getFocusTraversalPolicy, getLayout, getMousePosition, insets, invalidate, isAncestorOf, isFocusCycleRoot, isFocusCycleRoot, isFocusTraversalPolicyProvider, isFocusTraversalPolicySet, layout, list, list, locate, minimumSize, paintComponents, preferredSize, printComponents, processContainerEvent, processEvent, remove, remove, removeAll, removeContainerListener, setComponentZOrder, setFocusCycleRoot, setFocusTraversalPolicy, setFocusTraversalPolicyProvider, setLayout, transferFocusDownCycle, 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, createImage, createImage, createVolatileImage, createVolatileImage, disableEvents, dispatchEvent, enable, enableEvents, enableInputMethods, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, getAccessibleContext, getBackground, getBounds, getColorModel, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusCycleRootAncestor, getFocusListeners, getFocusTraversalKeysEnabled, getFont, getForeground, getGraphicsConfiguration, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputContext, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getLocale, getLocation, getLocationOnScreen, getMouseListeners, getMouseMotionListeners, getMousePosition, getMouseWheelListeners, getName, getParent, getPropertyChangeListeners, getPropertyChangeListeners, getSize, getToolkit, getTreeLock, gotFocus, handleEvent, hasFocus, imageUpdate, inside, isBackgroundSet, isCursorSet, isDisplayable, isEnabled, isFocusable, isFocusOwner, isFocusTraversable, isFontSet, isForegroundSet, isLightweight, isMaximumSizeSet, isMinimumSizeSet, isPreferredSizeSet, isShowing, isValid, isVisible, keyDown, keyUp, list, list, list, location, lostFocus, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, postEvent, prepareImage, prepareImage, processComponentEvent, processFocusEvent, processHierarchyBoundsEvent, processHierarchyEvent, processInputMethodEvent, processMouseWheelEvent, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, requestFocus, requestFocus, requestFocusInWindow, resize, resize, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setFocusable, setFocusTraversalKeysEnabled, setIgnoreRepaint, setLocale, setLocation, setLocation, setMixingCutoutShape, setName, setSize, setSize, show, show, size, toString, transferFocus, transferFocusBackward, transferFocusUpCycle

Methods inherited from class java.lang.Object

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

Field Details

fRangeSliderModel

protected TLcdRangeSliderModel fRangeSliderModel

The data that handles the numeric maximum value, minimum value, and current-position value for the slider.

fChangeEvent

protected ChangeEvent fChangeEvent

Only one ChangeEvent is needed per slider instance since the event's only (read-only) state is the source property.

fSlideCursorFlag

protected boolean fSlideCursorFlag

If true, the cursor changes to a move cursor when held over the range between the minimum and maximum knob.

fShowMajorTicks

protected boolean fShowMajorTicks

If true, the major ticks are drawn.

fShowMinorTicks

protected boolean fShowMinorTicks

If true, the minor ticks are drawn.

fShowRange

protected boolean fShowRange

If true, the range is drawn.

fShowLabels

protected boolean fShowLabels

If true, the labels are drawn.

fMajorTickSpacing

protected double fMajorTickSpacing

The number of values between the major tick marks -- the larger marks that break up the minor tick marks.

fMinorTickSpacing

protected double fMinorTickSpacing

The number of values between the minor tick marks -- the smaller marks that occur between the major tick marks.

fSnapToTicks

protected boolean fSnapToTicks

If true, the knobs (and the data range they represents) resolve to the closest tick mark next to where the user positioned the knobs.

fOrientation

protected int fOrientation

fKeyStep

protected double fKeyStep

The number of values the knobs move by when they are moved using the keyboard.

fLabelTable

protected Dictionary fLabelTable

Constructor Details

TLcdRangeSlider

public TLcdRangeSlider(double aMin,
 double aMax)

Constructor, takes only a minimum and maximum, all possible options are set to true, except "snap to ticks". The default orientation HORIZONTAL is used.

Parameters:

aMin - Description of Parameter

aMax - Description of Parameter

TLcdRangeSlider

public TLcdRangeSlider(double aMin,
 double aMax,
 int aOrientation)

Constructor, takes only a minimum maximum and a orientation, all possible options are set to true, except "snap to ticks".

Parameters:

aMin - the sliders minimum.

aMax - the sliders maximum.

aOrientation - Description of Parameter

Method Details

setModel

public void setModel(TLcdRangeSliderModel aRangeSliderModel)

Sets the model that handles the sliders fundamental properties: minimum, maximum, range minimum and range maximum.

Parameters:

aRangeSliderModel - contains the properties of the slider: minimum, maximum, range minimum and range maximum.

setRangeVisble

public void setRangeVisble(boolean aRangeVisible)

Determines whether the range is painted on the slider

Parameters:

aRangeVisible - true to render the range on the slider.

setMajorTickSpacing

public void setMajorTickSpacing(double aMajorTickSpacing)

Sets the spacing between major ticks. This spacing is the amount of values between major ticks.

Parameters:

aMajorTickSpacing - the spacing between major ticks.

setMinorTickSpacing

public void setMinorTickSpacing(double aMinorTickSpacing)

Sets the spacing between minor ticks. This spacing is the amount of values between minor ticks.

Parameters:

aMinorTickSpacing - the spacing in data values between minor ticks.

See Also:

• getMinorTickSpacing()
• setPaintMinorTicks(boolean)

getModel

public TLcdRangeSliderModel getModel()

Returns the model that handles the sliders fundamental properties: minimum, maximum, range minimum and range maximum.

Returns:

the model that handles the sliders fundamental properties: minimum, maximum, range minimum and range maximum.

getOrientation

public int getOrientation()

Returns how this slider should be rendered.

Returns:

either VERTICAL or HORIZONTAL.

setOrientation

public void setOrientation(int aOrientation)

Sets how the slider should be rendered, vertically or horizontally.

Parameters:

aOrientation - sliders orientation, either VERTICAL or HORIZONTAL.

getSnapToTicks

public boolean getSnapToTicks()

Returns true if the knobs (and the range they represent) resolve to the closest tick mark next to where the user positioned the knobs.

Returns:

true to let the knobs snap to the closest tick mark.

setSnapToTicks

public void setSnapToTicks(boolean aSnapToTicks)

Specifying true makes the knobs (and the range they represent) resolve to the closest tick mark next to where the user positioned the knobs.

Parameters:

aSnapToTicks - true to make knobs (and the range they represent) snap to the closest tick mark.

getPaintMajorTicks

public boolean getPaintMajorTicks()

Tells if major tick marks are to be painted.

Returns:

true to have the major tick marks painted, false otherwise.

getPaintMinorTicks

public boolean getPaintMinorTicks()

Tells if minor tick marks are to be painted.

Returns:

true to have the minor tick marks painted, false otherwise.

getPaintRange

public boolean getPaintRange()

Tells if the range between the minimum and maximum knobs is to be painted.

Returns:

true to have the range between the minimum and maximum nob rendered. false otherwise.

getPaintTicks

public boolean getPaintTicks()

Tells if either the major or minor (or both) tick marks are to be painted.

Returns:

true when either minor of major ticks will be rendered, false otherwise.

setPaintTicks

public void setPaintTicks(boolean aPaintTicks)

Determines whether tick marks (both major and minor) are painted on the slider.

Parameters:

aPaintTicks - true to render all ticks, major and minor, false to render no ticks at all.

setPaintMinorTicks

public void setPaintMinorTicks(boolean aPaintMinorTicks)

Determines whether minor tick marks are painted on the slider.

Parameters:

aPaintMinorTicks - true to render minor ticks.

setPaintMajorTicks

public void setPaintMajorTicks(boolean aPaintMajorTicks)

Determines whether major tick marks are painted on the slider.

Parameters:

aPaintMajorTicks - true to render major ticks.

setPaintLabels

public void setPaintLabels(boolean aPaintLabels)

Tells if labels are to be painted. Note that the label table should also be set.

Parameters:

aPaintLabels - true if the labels should be painted, false otherwise.

See Also:

• setLabelTable(java.util.Dictionary)

getPaintLabels

public boolean getPaintLabels()

Tells if labels are to be painted.

Returns:

true if the labels should be rendered.

setEnabled

public void setEnabled(boolean enabled)

Overrides:

setEnabled in class JComponent

getChangeCursorOverRange

public boolean getChangeCursorOverRange()

Tells is the cursor changes to a move cursor when held over the range between the minimum and maximum knob.

Returns:

true to have the cursor change over the range, false otherwise.

setChangeCursorOverRange

public void setChangeCursorOverRange(boolean aChangeCursorOverRange)

Determines whether the cursor changes to a move cursor when held over the range between the minimum and maximum knob.

Parameters:

aChangeCursorOverRange - true to make the cursor change when held over the range between the minimum and maximum knob.

getMinorTickSpacing

public double getMinorTickSpacing()

Gets the range of data values between minor ticks.

Returns:

the range of data values between minor ticks.

getMajorTickSpacing

public double getMajorTickSpacing()

Gets the amount of data values between major ticks.

Returns:

the range of data values between minor ticks.

getPrecision

public int getPrecision()

Returns the number of digits after the decimal point to which the data values are rounded.

Returns:

the number of digits after the decimal point to which the data values are rounded.

setPrecision

public void setPrecision(int aPrecision)

Determines the number of digits after the decimal point. Data values are rounded to this precision.

Parameters:

aPrecision - the number of digits after the decimal point that are to be kept.

getValueIsAdjusting

public boolean getValueIsAdjusting()

Returns true if one or both of the slider knobs are being dragged.

Returns:

the value of the models valueIsAdjusting property

setValueIsAdjusting

public void setValueIsAdjusting(boolean aValueIsAdjusting)

Sets whether the model should anticipate on subsequent changes.

Parameters:

aValueIsAdjusting - true if the model will change frequently subsequently. false otherwise.

reset

public void reset()

Sets the minimum and maximum knob to the models minimum and maximum.

setRangeMinimum

public void setRangeMinimum(double aRangeMinimum)

Sets the models range minimum value.

Parameters:

aRangeMinimum - the minimum of the range this slider should cover.

setRangeMaximum

public void setRangeMaximum(double aRangeMaximum)

Sets the models range maximum value.

Parameters:

aRangeMaximum - the maximum of the range this slider should cover.

setMinimum

public void setMinimum(double aMinimum)

Sets the models minimum value.

Parameters:

aMinimum - the minimum the range slider can cover.

setMaximum

public void setMaximum(double aMaximum)

Sets the models maximum value.

Parameters:

aMaximum - the maximum the range slider can cover.

setRange

public void setRange(double aMin,
 double aMax)

Sets the models range minimum and maximum value.

Parameters:

aMin - the new minimum of the range.

aMax - the new maximum of the range.

getRangeMinimum

public double getRangeMinimum()

Returns the models range minimum value.

Returns:

the minimum value of the current range.

getRangeMaximum

public double getRangeMaximum()

Returns the models range maximum value.

Returns:

the maximum value of the current range.

getMinimum

public double getMinimum()

Returns the models minimum value.

Returns:

the minimum value the range slider can take into account.

getMaximum

public double getMaximum()

Returns the models range maximum value.

Returns:

the maximum value the range slider can take into account.

addChangeListener

public void addChangeListener(ChangeListener aChangeListener)

Adds a listener that will be notified of changes of the model.

Parameters:

aChangeListener - a listener that should be notified of changes in the model.

removeChangeListener

public void removeChangeListener(ChangeListener aChangeListener)

Removes a listener that will be notified of changes of the model.

Parameters:

aChangeListener - a listener that should no longer be notified of changes in the model.

getKeyStep

public double getKeyStep()

Returns the number of values the knobs move by when they are moved using the keyboard.

Returns:

the number of values the knobs move by when they are moved using the keyboard.

setKeyStep

public void setKeyStep(double aKeyStep)

Sets the number of values the knobs move by when they are moved using the keyboard.

Parameters:

aKeyStep - the number of values the knobs move by when they are moved using the keyboard.

getLabelTable

public Dictionary getLabelTable()

setLabelTable

public void setLabelTable(Dictionary labels)

updateLabelUIs

protected void updateLabelUIs()

Resets the UI property to a value from the current look and feel.

See Also:

• JComponent.updateUI()

updateUI

public void updateUI()

Overrides:

updateUI in class JComponent

getUIClassID

public String getUIClassID()

Overrides:

getUIClassID in class JComponent

createStandardLabels

public Hashtable createStandardLabels(double aIncrement)

Creates a hashtable that will draw text labels starting at the slider minimum using the aIncrement specified. If you call createStandardLabels( 10 ) and the slider minimum is zero, then it will make labels for the values 0, 10, 20, 30, and so on.

Parameters:

aIncrement - the step in data space between 2 values for which a label is created.

Returns:

a hashtable that can be used as label table for this range slider, with the first label assigned to the minimum of the slider and all subsequent labels at a distance apart equal to the increment.

See Also:

• setLabelTable(java.util.Dictionary)

createStandardLabels

public Hashtable createStandardLabels(double aIncrement,
 double aStart)

Creates a hashtable that will draw text labels starting at the aStart point specified using the aIncrement specified. If you call createStandardLabels( 10, 2 ), then it will make labels for the values 2, 12, 22, 32, and so on.

Parameters:

aIncrement - the step in data space between 2 values for which a label is created.

aStart - the data value for which the first label should be created.

Returns:

a hashtable that can be used as label table for this range slider, with the first label assigned to the aStart value passed and all subsequent labels at a distance apart equal to the aIncrement.

Throws:

IllegalArgumentException - if slider label aStart point out of range or if label aIncrement is less than or equal to zero

See Also:

• setLabelTable(java.util.Dictionary)