Package icyllis.modernui.text.method

Class ArrowKeyMovementMethod

java.lang.Object

icyllis.modernui.text.method.BaseMovementMethod

icyllis.modernui.text.method.ArrowKeyMovementMethod

All Implemented Interfaces:

MovementMethod

@ParametersAreNonnullByDefault
public class ArrowKeyMovementMethod
extends BaseMovementMethod

A movement method that provides cursor movement and selection.

Modified from Android.

Constructor Summary

Constructors

Constructor	Description
ArrowKeyMovementMethod()

Method Summary

Modifier and Type	Method	Description
protected boolean	bottom(TextView widget, Spannable buffer)	Performs a bottom movement action.
boolean	canSelectArbitrarily()	Returns true if this movement method allows arbitrary selection of any text; false if it has no selection (like a movement method that only scrolls) or a constrained selection (for example limited to links.
protected boolean	down(TextView widget, Spannable buffer)	Performs a down movement action.
protected boolean	end(TextView widget, Spannable buffer)	Performs an end movement action.
static MovementMethod	getInstance()
protected boolean	home(TextView widget, Spannable buffer)	Performs a home movement action.
void	initialize(TextView widget, Spannable text)
protected boolean	left(TextView widget, Spannable buffer)	Performs a left movement action.
protected boolean	leftWord(TextView widget, Spannable buffer)
protected boolean	lineEnd(TextView widget, Spannable buffer)	Performs a line-end movement action.
protected boolean	lineStart(TextView widget, Spannable buffer)	Performs a line-start movement action.
void	onTakeFocus(TextView view, Spannable text, int dir)
boolean	onTouchEvent(TextView widget, Spannable buffer, MotionEvent event)
protected boolean	pageDown(TextView widget, Spannable buffer)	Performs a page-down movement action.
protected boolean	pageUp(TextView widget, Spannable buffer)	Performs a page-up movement action.
protected boolean	right(TextView widget, Spannable buffer)	Performs a right movement action.
protected boolean	rightWord(TextView widget, Spannable buffer)
protected boolean	top(TextView widget, Spannable buffer)	Performs a top movement action.
protected boolean	up(TextView widget, Spannable buffer)	Performs an up movement action.

Methods inherited from class icyllis.modernui.text.method.BaseMovementMethod

handleMovementKey, onGenericMotionEvent, onKeyDown, onKeyUp, scrollBottom, scrollDown, scrollLeft, scrollLineEnd, scrollLineStart, scrollPageDown, scrollPageUp, scrollRight, scrollTop, scrollUp

Methods inherited from class java.lang.Object

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

Constructor Details

ArrowKeyMovementMethod

public ArrowKeyMovementMethod()

Method Details

getInstance

public static MovementMethod getInstance()

left

protected boolean left(TextView widget,
 Spannable buffer)

Description copied from class: BaseMovementMethod

Performs a left movement action. Moves the cursor or scrolls left by one character.

Overrides:

left in class BaseMovementMethod

Parameters:

widget - The text view.

buffer - The text buffer.

Returns:

True if the event was handled.

right

protected boolean right(TextView widget,
 Spannable buffer)

Description copied from class: BaseMovementMethod

Performs a right movement action. Moves the cursor or scrolls right by one character.

Overrides:

right in class BaseMovementMethod

Parameters:

widget - The text view.

buffer - The text buffer.

Returns:

True if the event was handled.

up

protected boolean up(TextView widget,
 Spannable buffer)

Description copied from class: BaseMovementMethod

Performs an up movement action. Moves the cursor or scrolls up by one line.

Overrides:

up in class BaseMovementMethod

Parameters:

widget - The text view.

buffer - The text buffer.

Returns:

True if the event was handled.

down

protected boolean down(TextView widget,
 Spannable buffer)

Description copied from class: BaseMovementMethod

Performs a down movement action. Moves the cursor or scrolls down by one line.

Overrides:

down in class BaseMovementMethod

Parameters:

widget - The text view.

buffer - The text buffer.

Returns:

True if the event was handled.

pageUp

protected boolean pageUp(TextView widget,
 Spannable buffer)

Description copied from class: BaseMovementMethod

Performs a page-up movement action. Moves the cursor or scrolls up by one page.

Overrides:

pageUp in class BaseMovementMethod

Parameters:

widget - The text view.

buffer - The text buffer.

Returns:

True if the event was handled.

pageDown

protected boolean pageDown(TextView widget,
 Spannable buffer)

Description copied from class: BaseMovementMethod

Performs a page-down movement action. Moves the cursor or scrolls down by one page.

Overrides:

pageDown in class BaseMovementMethod

Parameters:

widget - The text view.

buffer - The text buffer.

Returns:

True if the event was handled.

top

protected boolean top(TextView widget,
 Spannable buffer)

Description copied from class: BaseMovementMethod

Performs a top movement action. Moves the cursor or scrolls to the top of the buffer.

Overrides:

top in class BaseMovementMethod

Parameters:

widget - The text view.

buffer - The text buffer.

Returns:

True if the event was handled.

bottom

protected boolean bottom(TextView widget,
 Spannable buffer)

Description copied from class: BaseMovementMethod

Performs a bottom movement action. Moves the cursor or scrolls to the bottom of the buffer.

Overrides:

bottom in class BaseMovementMethod

Parameters:

widget - The text view.

buffer - The text buffer.

Returns:

True if the event was handled.

lineStart

protected boolean lineStart(TextView widget,
 Spannable buffer)

Description copied from class: BaseMovementMethod

Performs a line-start movement action. Moves the cursor or scrolls to the start of the line.

Overrides:

lineStart in class BaseMovementMethod

Parameters:

widget - The text view.

buffer - The text buffer.

Returns:

True if the event was handled.

lineEnd

protected boolean lineEnd(TextView widget,
 Spannable buffer)

Description copied from class: BaseMovementMethod

Performs a line-end movement action. Moves the cursor or scrolls to the end of the line.

Overrides:

lineEnd in class BaseMovementMethod

Parameters:

widget - The text view.

buffer - The text buffer.

Returns:

True if the event was handled.

leftWord

protected boolean leftWord(TextView widget,
 Spannable buffer)

Description copied from class: BaseMovementMethod

Overrides:

leftWord in class BaseMovementMethod

rightWord

protected boolean rightWord(TextView widget,
 Spannable buffer)

Description copied from class: BaseMovementMethod

Overrides:

rightWord in class BaseMovementMethod

home

protected boolean home(TextView widget,
 Spannable buffer)

Description copied from class: BaseMovementMethod

Performs a home movement action. Moves the cursor or scrolls to the start of the line or to the top of the document depending on whether the insertion point is being moved or the document is being scrolled.

Overrides:

home in class BaseMovementMethod

Parameters:

widget - The text view.

buffer - The text buffer.

Returns:

True if the event was handled.

end

protected boolean end(TextView widget,
 Spannable buffer)

Description copied from class: BaseMovementMethod

Performs an end movement action. Moves the cursor or scrolls to the start of the line or to the top of the document depending on whether the insertion point is being moved or the document is being scrolled.

Overrides:

end in class BaseMovementMethod

Parameters:

widget - The text view.

buffer - The text buffer.

Returns:

True if the event was handled.

onTouchEvent

public boolean onTouchEvent(TextView widget,
 Spannable buffer,
 MotionEvent event)

Specified by:

onTouchEvent in interface MovementMethod

Overrides:

onTouchEvent in class BaseMovementMethod

canSelectArbitrarily

public boolean canSelectArbitrarily()

Description copied from interface: MovementMethod

Returns true if this movement method allows arbitrary selection of any text; false if it has no selection (like a movement method that only scrolls) or a constrained selection (for example limited to links. The "Select All" menu item is disabled if arbitrary selection is not allowed.

Specified by:

canSelectArbitrarily in interface MovementMethod

Overrides:

canSelectArbitrarily in class BaseMovementMethod

initialize

public void initialize(TextView widget,
 Spannable text)

Specified by:

initialize in interface MovementMethod

Overrides:

initialize in class BaseMovementMethod

onTakeFocus

public void onTakeFocus(TextView view,
 Spannable text,
 int dir)

Specified by:

onTakeFocus in interface MovementMethod

Overrides:

onTakeFocus in class BaseMovementMethod