Module java.desktop

Package javax.swing.plaf

Class TextUI

java.lang.Object

javax.swing.plaf.ComponentUI

javax.swing.plaf.TextUI

Direct Known Subclasses:

BasicTextUI, MultiTextUI

public abstract class TextUI
extends ComponentUI

Text editor user interface

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	TextUI()	Constructor for subclasses to call.

Method Summary

Modifier and Type	Method	Description
abstract void	damageRange(JTextComponent t, int p0, int p1)	Causes the portion of the view responsible for the given part of the model to be repainted.
abstract void	damageRange(JTextComponent t, int p0, int p1, Position.Bias firstBias, Position.Bias secondBias)	Causes the portion of the view responsible for the given part of the model to be repainted.
abstract EditorKit	getEditorKit(JTextComponent t)	Fetches the binding of services that set a policy for the type of document being edited.
abstract int	getNextVisualPositionFrom(JTextComponent t, int pos, Position.Bias b, int direction, Position.Bias[] biasRet)	Provides a way to determine the next visually represented model location that one might place a caret.
abstract View	getRootView(JTextComponent t)	Fetches a View with the allocation of the associated text component (i.e. the root of the hierarchy) that can be traversed to determine how the model is being represented spatially.
String	getToolTipText(JTextComponent t, Point pt)	Deprecated. replaced by getToolTipText2D(JTextComponent, Point2D)
String	getToolTipText2D(JTextComponent t, Point2D pt)	Returns the string to be used as the tooltip at the passed in location.
abstract Rectangle	modelToView(JTextComponent t, int pos)	Deprecated. replaced by modelToView2D(JTextComponent, int, Position.Bias)
abstract Rectangle	modelToView(JTextComponent t, int pos, Position.Bias bias)	Deprecated. replaced by modelToView2D(JTextComponent, int, Position.Bias)
Rectangle2D	modelToView2D(JTextComponent t, int pos, Position.Bias bias)	Converts the given location in the model to a place in the view coordinate system.
abstract int	viewToModel(JTextComponent t, Point pt)	Deprecated. replaced by viewToModel2D(JTextComponent, Point2D, Position.Bias[])
abstract int	viewToModel(JTextComponent t, Point pt, Position.Bias[] biasReturn)	Deprecated. replaced by viewToModel2D(JTextComponent, Point2D, Position.Bias[])
int	viewToModel2D(JTextComponent t, Point2D pt, Position.Bias[] biasReturn)	Provides a mapping from the view coordinate space to the logical coordinate space of the model.

Methods declared in class javax.swing.plaf.ComponentUI

contains, createUI, getAccessibleChild, getAccessibleChildrenCount, getBaseline, getBaselineResizeBehavior, getMaximumSize, getMinimumSize, getPreferredSize, installUI, paint, uninstallUI, update

Methods declared in class java.lang.Object

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

Constructor Details

TextUI

protected TextUI()

Constructor for subclasses to call.

Method Details

modelToView

@Deprecated(since="9")
public abstract Rectangle modelToView(JTextComponent t,
 int pos)
                               throws BadLocationException

Deprecated.

replaced by modelToView2D(JTextComponent, int, Position.Bias)

Converts the given location in the model to a place in the view coordinate system.

Parameters:

t - the text component for which this UI is installed

pos - the local location in the model to translate >= 0

Returns:

the coordinates as a Rectangle

Throws:

BadLocationException - if the given position does not represent a valid location in the associated document

modelToView

@Deprecated(since="9")
public abstract Rectangle modelToView(JTextComponent t,
 int pos,
 Position.Bias bias)
                               throws BadLocationException

Deprecated.

replaced by modelToView2D(JTextComponent, int, Position.Bias)

Converts the given location in the model to a place in the view coordinate system.

Parameters:

t - the text component for which this UI is installed

pos - the local location in the model to translate >= 0

bias - the bias for the position

Returns:

the coordinates as a Rectangle

Throws:

BadLocationException - if the given position does not represent a valid location in the associated document

modelToView2D

public Rectangle2D modelToView2D(JTextComponent t,
 int pos,
 Position.Bias bias)
                          throws BadLocationException

Converts the given location in the model to a place in the view coordinate system.

Implementation Requirements:

This implementation calls modelToView(t, pos, bias).

Parameters:

t - the text component for which this UI is installed

pos - the local location in the model to translate >= 0

bias - the bias for the position

Returns:

the coordinates as a Rectangle2D

Throws:

BadLocationException - if the given position does not represent a valid location in the associated document

Since:

9

viewToModel

@Deprecated(since="9")
public abstract int viewToModel(JTextComponent t,
 Point pt)

Deprecated.

replaced by viewToModel2D(JTextComponent, Point2D, Position.Bias[])

Converts the given place in the view coordinate system to the nearest representative location in the model.

Parameters:

t - the text component for which this UI is installed

pt - the location in the view to translate. This should be in the same coordinate system as the mouse events.

Returns:

the offset from the start of the document >= 0

viewToModel

@Deprecated(since="9")
public abstract int viewToModel(JTextComponent t,
 Point pt,
 Position.Bias[] biasReturn)

Deprecated.

replaced by viewToModel2D(JTextComponent, Point2D, Position.Bias[])

Provides a mapping from the view coordinate space to the logical coordinate space of the model.

Parameters:

t - the text component for which this UI is installed

pt - the location in the view to translate. This should be in the same coordinate system as the mouse events.

biasReturn - filled in by this method to indicate whether the point given is closer to the previous or the next character in the model

Returns:

the location within the model that best represents the given point in the view >= 0

viewToModel2D

public int viewToModel2D(JTextComponent t,
 Point2D pt,
 Position.Bias[] biasReturn)

Provides a mapping from the view coordinate space to the logical coordinate space of the model.

Implementation Requirements:

This implementation calls viewToModel(t, new Point((int) pt.getX(), (int) pt.getY()), biasReturn).

Parameters:

t - the text component for which this UI is installed

pt - the location in the view to translate.

biasReturn - filled in by this method to indicate whether the point given is closer to the previous or the next character in the model

Returns:

the location within the model that best represents the given point in the view >= 0

Since:

9

getNextVisualPositionFrom

public abstract int getNextVisualPositionFrom(JTextComponent t,
 int pos,
 Position.Bias b,
 int direction,
 Position.Bias[] biasRet)
                                       throws BadLocationException

Provides a way to determine the next visually represented model location that one might place a caret. Some views may not be visible, they might not be in the same order found in the model, or they just might not allow access to some of the locations in the model.

Parameters:

t - the text component for which this UI is installed

pos - the position to convert >= 0

b - the bias for the position

direction - the direction from the current position that can be thought of as the arrow keys typically found on a keyboard. This may be SwingConstants.WEST, SwingConstants.EAST, SwingConstants.NORTH, or SwingConstants.SOUTH

biasRet - an array to contain the bias for the returned position

Returns:

the location within the model that best represents the next location visual position

Throws:

BadLocationException - for a bad location within a document model

IllegalArgumentException - for an invalid direction

damageRange

public abstract void damageRange(JTextComponent t,
 int p0,
 int p1)

Causes the portion of the view responsible for the given part of the model to be repainted.

Parameters:

t - the text component for which this UI is installed

p0 - the beginning of the range >= 0

p1 - the end of the range >= p0

damageRange

public abstract void damageRange(JTextComponent t,
 int p0,
 int p1,
 Position.Bias firstBias,
 Position.Bias secondBias)

Causes the portion of the view responsible for the given part of the model to be repainted.

Parameters:

t - the text component for which this UI is installed

p0 - the beginning of the range >= 0

p1 - the end of the range >= p0

firstBias - the bias of the first character position, toward the previous character or the next character

secondBias - the bias of the second character position, toward the previous character or the next character

getEditorKit

public abstract EditorKit getEditorKit(JTextComponent t)

Fetches the binding of services that set a policy for the type of document being edited. This contains things like the commands available, stream readers and writers, etc.

Parameters:

t - the text component for which this UI is installed

Returns:

the editor kit binding

getRootView

public abstract View getRootView(JTextComponent t)

Fetches a View with the allocation of the associated text component (i.e. the root of the hierarchy) that can be traversed to determine how the model is being represented spatially.

Parameters:

t - the text component for which this UI is installed

Returns:

a View with the allocation of the associated text component

getToolTipText

@Deprecated(since="9")
public String getToolTipText(JTextComponent t,
 Point pt)

Deprecated.

replaced by getToolTipText2D(JTextComponent, Point2D)

Returns the string to be used as the tooltip at the passed in location.

Parameters:

t - the text component for which this UI is installed

pt - a Point specifying location for which to get a tooltip

Returns:

a String containing the tooltip

Since:

1.4

See Also:

• JTextComponent.getToolTipText(java.awt.event.MouseEvent)

getToolTipText2D

public String getToolTipText2D(JTextComponent t,
 Point2D pt)

Returns the string to be used as the tooltip at the passed in location.

Implementation Requirements:

This implementation calls getToolTipText(t, new Point((int) pt.getX(), (int) pt.getY()))).

Parameters:

t - the text component for which this UI is installed

pt - a Point specifying location for which to get a tooltip

Returns:

a String containing the tooltip

Since:

9

See Also:

• JTextComponent.getToolTipText(java.awt.event.MouseEvent)