com.klg.jclass.higrid
Class GridScrollbar

java.lang.Object
  |
  +--com.klg.jclass.higrid.GridScrollbar

All Implemented Interfaces:

AdjustmentListener, EventListener, GridScrollbarCallback, Serializable

public class GridScrollbar

extends Object

implements Serializable, AdjustmentListener, GridScrollbarCallback

GridScrollbar manages the interaction between an actual scrollbar (extends Component, implements Adjustable) and the HiGrid object.

See Also:

Adjustable, Serialized Form

Field Summary

static int	DISPLAY_ALWAYS The scrollbar always is displayed.
static int	DISPLAY_AS_NEEDED The scrollbar displays as needed.
static int	DISPLAY_NEVER The scrollbar is never displayed.
static int	HORIZONTAL The horizontal orientation of the scrollbar.
protected static int	MAGIC_BLOCK_INCREMENT
static int	VERTICAL The vertical orientation of the scrollbar.

Constructor Summary

GridScrollbar(com.klg.jclass.higrid.HiGrid grid, int orientation)

Method Summary

protected void	addRowtip(int value)
void	adjustmentValueChanged(AdjustmentEvent event)
void	adjustValues(int maximum, int visible)
boolean	atEnd()
Adjustable	getAdjustable()
protected int	getAdjustedValue(int value)
int	getBlockIncrement()
Component	getComponent()
int	getDisplay()
protected com.klg.jclass.higrid.RowNode	getLabelRowNode(int value)
int	getMaximum()
int	getMinimum()
int	getOrientation()
Component	getRowtip()
com.klg.jclass.higrid.GridScrollbarCallback	getRowtipCallback()
String	getRowtipText()
int	getUnitIncrement()
int	getValue()
void	initValues()
protected boolean	isRowtipVisible()
boolean	isVisible()
protected void	placeRowtip()
void	positionRowtip(Container parent, Component rowtip)
protected void	removeOldReferences() Remove references to old DataModels held by oldTopRowNode.
protected void	removeRowtip()
void	scrollLineDown()
void	scrollLineUp()
void	scrollPageDown()
void	scrollPageUp()
void	setAdjustable(Adjustable adj)
void	setBlockIncrement(int inc)
void	setComponent(Component comp)
void	setDisplay(int display)
void	setMaximum(int max)
void	setMinimum(int min)
void	setRowtipCallback(com.klg.jclass.higrid.GridScrollbarCallback callback)
String	setRowtipText(com.klg.jclass.higrid.RowNode rowNode, int currentValue, Adjustable adjustable)
protected void	setRowtipVisible(boolean visible)
void	setSize(Dimension d)
void	setUnitIncrement(int inc)
void	setValue(int value)
void	setValues(int value, int visible, int min, int max)
void	setVisible(boolean b)
protected void	updateRowtip(int currentValue)

Methods inherited from class java.lang.Object

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

Field Detail

HORIZONTAL

public static final int HORIZONTAL

The horizontal orientation of the scrollbar.

See Also:

Constant Field Values

VERTICAL

public static final int VERTICAL

The vertical orientation of the scrollbar.

See Also:

Constant Field Values

DISPLAY_AS_NEEDED

public static final int DISPLAY_AS_NEEDED

The scrollbar displays as needed.

See Also:

Constant Field Values

DISPLAY_ALWAYS

public static final int DISPLAY_ALWAYS

The scrollbar always is displayed.

See Also:

Constant Field Values

DISPLAY_NEVER

public static final int DISPLAY_NEVER

The scrollbar is never displayed.

See Also:

Constant Field Values

MAGIC_BLOCK_INCREMENT

protected static final int MAGIC_BLOCK_INCREMENT

See Also:

Constant Field Values

Constructor Detail

GridScrollbar

public GridScrollbar(com.klg.jclass.higrid.HiGrid grid,
                     int orientation)

Method Detail

getComponent

public Component getComponent()

setComponent

public void setComponent(Component comp)

setAdjustable

public void setAdjustable(Adjustable adj)

getAdjustable

public Adjustable getAdjustable()

adjustmentValueChanged

public void adjustmentValueChanged(AdjustmentEvent event)

Specified by:

adjustmentValueChanged in interface AdjustmentListener

getDisplay

public int getDisplay()

setDisplay

public void setDisplay(int display)

setVisible

public void setVisible(boolean b)

isVisible

public boolean isVisible()

setSize

public void setSize(Dimension d)

setUnitIncrement

public void setUnitIncrement(int inc)

getUnitIncrement

public int getUnitIncrement()

setBlockIncrement

public void setBlockIncrement(int inc)

getBlockIncrement

public int getBlockIncrement()

setValues

public void setValues(int value,
                      int visible,
                      int min,
                      int max)

setValue

public void setValue(int value)

getValue

public int getValue()

getOrientation

public int getOrientation()

setMinimum

public void setMinimum(int min)

getMinimum

public int getMinimum()

setMaximum

public void setMaximum(int max)

getMaximum

public int getMaximum()

atEnd

public boolean atEnd()

scrollLineDown

public void scrollLineDown()

scrollLineUp

public void scrollLineUp()

scrollPageDown

public void scrollPageDown()

scrollPageUp

public void scrollPageUp()

initValues

public void initValues()

adjustValues

public void adjustValues(int maximum,
                         int visible)

getAdjustedValue

protected int getAdjustedValue(int value)

getLabelRowNode

protected com.klg.jclass.higrid.RowNode getLabelRowNode(int value)

getRowtipCallback

public com.klg.jclass.higrid.GridScrollbarCallback getRowtipCallback()

setRowtipCallback

public void setRowtipCallback(com.klg.jclass.higrid.GridScrollbarCallback callback)

getRowtipText

public String getRowtipText()

getRowtip

public Component getRowtip()

isRowtipVisible

protected boolean isRowtipVisible()

setRowtipVisible

protected void setRowtipVisible(boolean visible)

removeRowtip

protected void removeRowtip()

addRowtip

protected void addRowtip(int value)

placeRowtip

protected void placeRowtip()

updateRowtip

protected void updateRowtip(int currentValue)

setRowtipText

public String setRowtipText(com.klg.jclass.higrid.RowNode rowNode,
                            int currentValue,
                            Adjustable adjustable)

Specified by:

setRowtipText in interface GridScrollbarCallback

positionRowtip

public void positionRowtip(Container parent,
                           Component rowtip)

Specified by:

positionRowtip in interface GridScrollbarCallback

removeOldReferences

protected void removeOldReferences()

Remove references to old DataModels held by oldTopRowNode.