SelectionHandler

Classes

SelectionHandler

Handler for performing simple operations with text selection.

Remarks

the TextWhizz is used as a text engine.

Implements

ISelectionHandler

Constructors

Constructor

new SelectionHandler(tw): SelectionHandler;

Parameters

Parameter	Type
`tw`	`ITextWhizzHolder`

Returns

SelectionHandler

Accessors

selectionChangeEvent

Get Signature

get selectionChangeEvent(): EventObject<ITextRange>;

Text selection change event.

Remarks

reports the currently selected text.

Returns

EventObject<ITextRange>

Text selection change event.

Remarks

reports the currently selected text.

Implementation of

ISelectionHandler.selectionChangeEvent

Methods

getSelectionRange()

getSelectionRange(): ITextRange;

Returns the currently selected text range.

Returns

ITextRange

Implementation of

ISelectionHandler.getSelectionRange

resetSelection()

resetSelection(position?): void;

Resets the selection of text and sets the anchor to a new position.

Parameters

Parameter	Type	Description
`position?`	`IPositionInText`	new position in the text.

Returns

void

Remarks

if position is null then anchor is set to null.

Implementation of

ISelectionHandler.resetSelection

setSelectionByPoints()

setSelectionByPoints(startPoint, endPoint): void;

Sets the selection of text by starting and ending points.

Parameters

Parameter	Type	Description
`startPoint`	`IPoint`	starting point.
`endPoint`	`IPoint`	ending point.

Returns

void

Implementation of

ISelectionHandler.setSelectionByPoints

setSelectionByPositions()

setSelectionByPositions(startPosition, endPosition): void;

Sets the selection of text by starting and ending positions.

Parameters

Parameter	Type	Description
`startPosition`	`IPositionInText`	starting position.
`endPosition`	`IPositionInText`	ending position.

Returns

void

Implementation of

ISelectionHandler.setSelectionByPositions

setSelectionByRange()

setSelectionByRange(selection): void;

Sets the selection of text by a range.

Parameters

Parameter	Type	Description
`selection`	`ITextRange`	start position in text.

Returns

void

Implementation of

ISelectionHandler.setSelectionByRange

setSelectionToPosition()

setSelectionToPosition(position): void;

Sets the selection of text to a position relative to the anchor.

Parameters

Parameter	Type	Description
`position`	`IPositionInText`	new position in the text.

Returns

void

Implementation of

ISelectionHandler.setSelectionToPosition

Classes​