nutrient/com.pspdfkit.ui.toolbar/DocumentEditorUndoProvider

DocumentEditorUndoProvider

class DocumentEditorUndoProvider(controller: DocumentEditingController) : UndoProvider

Adapter that wraps DocumentEditingController to implement UndoProvider interface. Used by document editor toolbar to work with UndoRedoToolbarHelper.

Parameters

controller

The underlying document editing controller to delegate calls to.

Constructors

DocumentEditorUndoProvider

constructor(controller: DocumentEditingController)

Functions

open override fun canRedo(): Boolean

Checks if redo operation is possible.

open override fun canUndo(): Boolean

Checks if undo operation is possible.

open override fun redo()

Performs redo operation.

open override fun undo()

Performs undo operation.