@jupyterlab/notebook/lib/actions.d.ts

import { ISessionContext } from '@jupyterlab/apputils';
import { Cell } from '@jupyterlab/cells';
import * as nbformat from '@jupyterlab/nbformat';
import { KernelMessage } from '@jupyterlab/services';
import { ITranslator } from '@jupyterlab/translation';
import { ISignal } from '@lumino/signaling';
import { Notebook, StaticNotebook } from './widget';
export declare class KernelError extends Error {
    /**
     * Exception name
     */
    readonly errorName: string;
    /**
     * Exception value
     */
    readonly errorValue: string;
    /**
     * Traceback
     */
    readonly traceback: string[];
    /**
     * Construct the kernel error.
     */
    constructor(content: KernelMessage.IExecuteReplyMsg['content']);
}
/**
 * A collection of actions that run against notebooks.
 *
 * #### Notes
 * All of the actions are a no-op if there is no model on the notebook.
 * The actions set the widget `mode` to `'command'` unless otherwise specified.
 * The actions will preserve the selection on the notebook widget unless
 * otherwise specified.
 */
export declare class NotebookActions {
    /**
     * A signal that emits whenever a cell completes execution.
     */
    static get executed(): ISignal<any, {
        notebook: Notebook;
        cell: Cell;
        success: boolean;
        error?: KernelError | null;
    }>;
    /**
     * A signal that emits whenever a cell execution is scheduled.
     */
    static get executionScheduled(): ISignal<any, {
        notebook: Notebook;
        cell: Cell;
    }>;
    /**
     * A signal that emits whenever a cell execution is scheduled.
     */
    static get selectionExecuted(): ISignal<any, {
        notebook: Notebook;
        lastCell: Cell;
    }>;
    /**
     * A private constructor for the `NotebookActions` class.
     *
     * #### Notes
     * This class can never be instantiated. Its static member `executed` will be
     * merged with the `NotebookActions` namespace. The reason it exists as a
     * standalone class is because at run time, the `Private.executed` variable
     * does not yet exist, so it needs to be referenced via a getter.
     */
    private constructor();
}
/**
 * A namespace for `NotebookActions` static methods.
 */
export declare namespace NotebookActions {
    /**
     * Split the active cell into two or more cells.
     *
     * @param notebook The target notebook widget.
     *
     * #### Notes
     * It will preserve the existing mode.
     * The last cell will be activated if no selection is found.
     * If text was selected, the cell containing the selection will
     * be activated.
     * The existing selection will be cleared.
     * The activated cell will have focus and the cursor will
     * remain in the initial position.
     * The leading whitespace in the second cell will be removed.
     * If there is no content, two empty cells will be created.
     * Both cells will have the same type as the original cell.
     * This action can be undone.
     */
    function splitCell(notebook: Notebook): void;
    /**
     * Merge the selected cells.
     *
     * @param notebook - The target notebook widget.
     *
     * @param mergeAbove - If only one cell is selected, indicates whether to merge it
     *    with the cell above (true) or below (false, default).
     *
     * #### Notes
     * The widget mode will be preserved.
     * If only one cell is selected and `mergeAbove` is true, the above cell will be selected.
     * If only one cell is selected and `mergeAbove` is false, the below cell will be selected.
     * If the active cell is a code cell, its outputs will be cleared.
     * This action can be undone.
     * The final cell will have the same type as the active cell.
     * If the active cell is a markdown cell, it will be unrendered.
     */
    function mergeCells(notebook: Notebook, mergeAbove?: boolean): void;
    /**
     * Delete the selected cells.
     *
     * @param notebook - The target notebook widget.
     *
     * #### Notes
     * The cell after the last selected cell will be activated.
     * It will add a code cell if all cells are deleted.
     * This action can be undone.
     */
    function deleteCells(notebook: Notebook): void;
    /**
     * Insert a new code cell above the active cell.
     *
     * @param notebook - The target notebook widget.
     *
     * #### Notes
     * The widget mode will be preserved.
     * This action can be undone.
     * The existing selection will be cleared.
     * The new cell will the active cell.
     */
    function insertAbove(notebook: Notebook): void;
    /**
     * Insert a new code cell below the active cell.
     *
     * @param notebook - The target notebook widget.
     *
     * #### Notes
     * The widget mode will be preserved.
     * This action can be undone.
     * The existing selection will be cleared.
     * The new cell will be the active cell.
     */
    function insertBelow(notebook: Notebook): void;
    /**
     * Move the selected cell(s) down.
     *
     * @param notebook = The target notebook widget.
     */
    function moveDown(notebook: Notebook): void;
    /**
     * Move the selected cell(s) up.
     *
     * @param widget - The target notebook widget.
     */
    function moveUp(notebook: Notebook): void;
    /**
     * Change the selected cell type(s).
     *
     * @param notebook - The target notebook widget.
     *
     * @param value - The target cell type.
     *
     * #### Notes
     * It should preserve the widget mode.
     * This action can be undone.
     * The existing selection will be cleared.
     * Any cells converted to markdown will be unrendered.
     */
    function changeCellType(notebook: Notebook, value: nbformat.CellType): void;
    /**
     * Run the selected cell(s).
     *
     * @param notebook - The target notebook widget.
     *
     * @param sessionContext - The optional client session object.
     *
     * #### Notes
     * The last selected cell will be activated, but not scrolled into view.
     * The existing selection will be cleared.
     * An execution error will prevent the remaining code cells from executing.
     * All markdown cells will be rendered.
     */
    function run(notebook: Notebook, sessionContext?: ISessionContext): Promise<boolean>;
    /**
     * Run the selected cell(s) and advance to the next cell.
     *
     * @param notebook - The target notebook widget.
     *
     * @param sessionContext - The optional client session object.
     *
     * #### Notes
     * The existing selection will be cleared.
     * The cell after the last selected cell will be activated and scrolled into view.
     * An execution error will prevent the remaining code cells from executing.
     * All markdown cells will be rendered.
     * If the last selected cell is the last cell, a new code cell
     * will be created in `'edit'` mode.  The new cell creation can be undone.
     */
    function runAndAdvance(notebook: Notebook, sessionContext?: ISessionContext): Promise<boolean>;
    /**
     * Run the selected cell(s) and insert a new code cell.
     *
     * @param notebook - The target notebook widget.
     *
     * @param sessionContext - The optional client session object.
     *
     * #### Notes
     * An execution error will prevent the remaining code cells from executing.
     * All markdown cells will be rendered.
     * The widget mode will be set to `'edit'` after running.
     * The existing selection will be cleared.
     * The cell insert can be undone.
     * The new cell will be scrolled into view.
     */
    function runAndInsert(notebook: Notebook, sessionContext?: ISessionContext): Promise<boolean>;
    /**
     * Run all of the cells in the notebook.
     *
     * @param notebook - The target notebook widget.
     *
     * @param sessionContext - The optional client session object.
     *
     * #### Notes
     * The existing selection will be cleared.
     * An execution error will prevent the remaining code cells from executing.
     * All markdown cells will be rendered.
     * The last cell in the notebook will be activated and scrolled into view.
     */
    function runAll(notebook: Notebook, sessionContext?: ISessionContext): Promise<boolean>;
    function renderAllMarkdown(notebook: Notebook, sessionContext?: ISessionContext): Promise<boolean>;
    /**
     * Run all of the cells before the currently active cell (exclusive).
     *
     * @param notebook - The target notebook widget.
     *
     * @param sessionContext - The optional client session object.
     *
     * #### Notes
     * The existing selection will be cleared.
     * An execution error will prevent the remaining code cells from executing.
     * All markdown cells will be rendered.
     * The currently active cell will remain selected.
     */
    function runAllAbove(notebook: Notebook, sessionContext?: ISessionContext): Promise<boolean>;
    /**
     * Run all of the cells after the currently active cell (inclusive).
     *
     * @param notebook - The target notebook widget.
     *
     * @param sessionContext - The optional client session object.
     *
     * #### Notes
     * The existing selection will be cleared.
     * An execution error will prevent the remaining code cells from executing.
     * All markdown cells will be rendered.
     * The last cell in the notebook will be activated and scrolled into view.
     */
    function runAllBelow(notebook: Notebook, sessionContext?: ISessionContext): Promise<boolean>;
    /**
     * Replaces the selection in the active cell of the notebook.
     *
     * @param notebook - The target notebook widget.
     * @param text - The text to replace the selection.
     */
    function replaceSelection(notebook: Notebook, text: string): void;
    /**
     * Select the above the active cell.
     *
     * @param notebook - The target notebook widget.
     *
     * #### Notes
     * The widget mode will be preserved.
     * This is a no-op if the first cell is the active cell.
     * This will skip any collapsed cells.
     * The existing selection will be cleared.
     */
    function selectAbove(notebook: Notebook): void;
    /**
     * Select the cell below the active cell.
     *
     * @param notebook - The target notebook widget.
     *
     * #### Notes
     * The widget mode will be preserved.
     * This is a no-op if the last cell is the active cell.
     * This will skip any collapsed cells.
     * The existing selection will be cleared.
     */
    function selectBelow(notebook: Notebook): void;
    /**
     * Extend the selection to the cell above.
     *
     * @param notebook - The target notebook widget.
     * @param toTop - If true, denotes selection to extend to the top.
     *
     * #### Notes
     * This is a no-op if the first cell is the active cell.
     * The new cell will be activated.
     */
    function extendSelectionAbove(notebook: Notebook, toTop?: boolean): void;
    /**
     * Extend the selection to the cell below.
     *
     * @param notebook - The target notebook widget.
     * @param toBottom - If true, denotes selection to extend to the bottom.
     *
     * #### Notes
     * This is a no-op if the last cell is the active cell.
     * The new cell will be activated.
     */
    function extendSelectionBelow(notebook: Notebook, toBottom?: boolean): void;
    /**
     * Select all of the cells of the notebook.
     *
     * @param notebook - the target notebook widget.
     */
    function selectAll(notebook: Notebook): void;
    /**
     * Deselect all of the cells of the notebook.
     *
     * @param notebook - the target notebook widget.
     */
    function deselectAll(notebook: Notebook): void;
    /**
     * Copy the selected cell data to a clipboard.
     *
     * @param notebook - The target notebook widget.
     */
    function copy(notebook: Notebook): void;
    /**
     * Cut the selected cell data to a clipboard.
     *
     * @param notebook - The target notebook widget.
     *
     * #### Notes
     * This action can be undone.
     * A new code cell is added if all cells are cut.
     */
    function cut(notebook: Notebook): void;
    /**
     * Paste cells from the application clipboard.
     *
     * @param notebook - The target notebook widget.
     *
     * @param mode - the mode of the paste operation: 'below' pastes cells
     *   below the active cell, 'above' pastes cells above the active cell,
     *   and 'replace' removes the currently selected cells and pastes cells
     *   in their place.
     *
     * #### Notes
     * The last pasted cell becomes the active cell.
     * This is a no-op if there is no cell data on the clipboard.
     * This action can be undone.
     */
    function paste(notebook: Notebook, mode?: 'below' | 'above' | 'replace'): void;
    /**
     * Undo a cell action.
     *
     * @param notebook - The target notebook widget.
     *
     * #### Notes
     * This is a no-op if if there are no cell actions to undo.
     */
    function undo(notebook: Notebook): void;
    /**
     * Redo a cell action.
     *
     * @param notebook - The target notebook widget.
     *
     * #### Notes
     * This is a no-op if there are no cell actions to redo.
     */
    function redo(notebook: Notebook): void;
    /**
     * Toggle the line number of all cells.
     *
     * @param notebook - The target notebook widget.
     *
     * #### Notes
     * The original state is based on the state of the active cell.
     * The `mode` of the widget will be preserved.
     */
    function toggleAllLineNumbers(notebook: Notebook): void;
    /**
     * Clear the code outputs of the selected cells.
     *
     * @param notebook - The target notebook widget.
     *
     * #### Notes
     * The widget `mode` will be preserved.
     */
    function clearOutputs(notebook: Notebook): void;
    /**
     * Clear all the code outputs on the widget.
     *
     * @param notebook - The target notebook widget.
     *
     * #### Notes
     * The widget `mode` will be preserved.
     */
    function clearAllOutputs(notebook: Notebook): void;
    /**
     * Hide the code on selected code cells.
     *
     * @param notebook - The target notebook widget.
     */
    function hideCode(notebook: Notebook): void;
    /**
     * Show the code on selected code cells.
     *
     * @param notebook - The target notebook widget.
     */
    function showCode(notebook: Notebook): void;
    /**
     * Hide the code on all code cells.
     *
     * @param notebook - The target notebook widget.
     */
    function hideAllCode(notebook: Notebook): void;
    /**
     * Show the code on all code cells.
     *
     * @param widget - The target notebook widget.
     */
    function showAllCode(notebook: Notebook): void;
    /**
     * Hide the output on selected code cells.
     *
     * @param notebook - The target notebook widget.
     */
    function hideOutput(notebook: Notebook): void;
    /**
     * Show the output on selected code cells.
     *
     * @param notebook - The target notebook widget.
     */
    function showOutput(notebook: Notebook): void;
    /**
     * Hide the output on all code cells.
     *
     * @param notebook - The target notebook widget.
     */
    function hideAllOutputs(notebook: Notebook): void;
    /**
     * Render side-by-side.
     *
     * @param notebook - The target notebook widget.
     */
    function renderSideBySide(notebook: Notebook): void;
    /**
     * Render not side-by-side.
     *
     * @param notebook - The target notebook widget.
     */
    function renderDefault(notebook: Notebook): void;
    /**
     * Show the output on all code cells.
     *
     * @param notebook - The target notebook widget.
     */
    function showAllOutputs(notebook: Notebook): void;
    /**
     * Enable output scrolling for all selected cells.
     *
     * @param notebook - The target notebook widget.
     */
    function enableOutputScrolling(notebook: Notebook): void;
    /**
     * Disable output scrolling for all selected cells.
     *
     * @param notebook - The target notebook widget.
     */
    function disableOutputScrolling(notebook: Notebook): void;
    /**
     * Go to the last cell that is run or current if it is running.
     *
     * Note: This requires execution timing to be toggled on or this will have
     * no effect.
     *
     * @param notebook - The target notebook widget.
     */
    function selectLastRunCell(notebook: Notebook): void;
    /**
     * Set the markdown header level.
     *
     * @param notebook - The target notebook widget.
     *
     * @param level - The header level.
     *
     * #### Notes
     * All selected cells will be switched to markdown.
     * The level will be clamped between 1 and 6.
     * If there is an existing header, it will be replaced.
     * There will always be one blank space after the header.
     * The cells will be unrendered.
     */
    function setMarkdownHeader(notebook: Notebook, level: number): void;
    /**
     * Collapse all cells in given notebook.
     *
     * @param notebook - The target notebook widget.
     */
    function collapseAll(notebook: Notebook): any;
    /**
     * Un-collapse all cells in given notebook.
     *
     * @param notebook - The target notebook widget.
     */
    function expandAllHeadings(notebook: Notebook): any;
    /**
     * Finds the "parent" heading of the given cell and expands.
     * Used for the case that a cell becomes active that is within a collapsed heading.
     * @param cell - "Child" cell that has become the active cell
     * @param notebook - The target notebook widget.
     */
    function expandParent(cell: Cell, notebook: Notebook): void;
    /**
     * Finds the next heading that isn't a child of the given markdown heading.
     * @param cell - "Child" cell that has become the active cell
     * @param notebook - The target notebook widget.
     */
    function findNextParentHeading(cell: Cell, notebook: Notebook): number;
    /**
     * Set the given cell and ** all "child" cells **
     * to the given collapse / expand if cell is
     * a markdown header.
     *
     * @param cell - The cell
     * @param collapsing - Whether to collapse or expand the cell
     * @param notebook - The target notebook widget.
     */
    function setHeadingCollapse(cell: Cell, collapsing: boolean, notebook: StaticNotebook): number;
    /**
     * Toggles the collapse state of the active cell of the given notebook
     * and ** all of its "child" cells ** if the cell is a heading.
     *
     * @param notebook - The target notebook widget.
     */
    function toggleCurrentHeadingCollapse(notebook: Notebook): any;
    /**
     * If cell is a markdown heading, sets the headingCollapsed field,
     * and otherwise hides the cell.
     *
     * @param cell - The cell to collapse / expand
     * @param collapsing - Whether to collapse or expand the given cell
     */
    function setCellCollapse(cell: Cell, collapsing: boolean): any;
    /**
     * If given cell is a markdown heading, returns the heading level.
     * If given cell is not markdown, returns 7 (there are only 6 levels of markdown headings)
     *
     * @param cell - The target cell widget.
     */
    function getHeadingInfo(cell: Cell): {
        isHeading: boolean;
        headingLevel: number;
        collapsed?: boolean;
    };
    /**
     * Trust the notebook after prompting the user.
     *
     * @param notebook - The target notebook widget.
     *
     * @returns a promise that resolves when the transaction is finished.
     *
     * #### Notes
     * No dialog will be presented if the notebook is already trusted.
     */
    function trust(notebook: Notebook, translator?: ITranslator): Promise<void>;
}