/
commands.ts
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/
commands.ts
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// Copyright (c) Jupyter Development Team.
// Distributed under the terms of the Modified BSD License.
import { JupyterFrontEnd } from '@jupyterlab/application';
import {
ICommandPalette,
WidgetTracker,
ISessionContextDialogs,
sessionContextDialogs
} from '@jupyterlab/apputils';
import { CodeEditor } from '@jupyterlab/codeeditor';
import { IConsoleTracker } from '@jupyterlab/console';
import { MarkdownCodeBlocks, PathExt } from '@jupyterlab/coreutils';
import { IDocumentWidget } from '@jupyterlab/docregistry';
import { IFileBrowserFactory } from '@jupyterlab/filebrowser';
import { FileEditor } from '@jupyterlab/fileeditor';
import { ILauncher } from '@jupyterlab/launcher';
import {
IEditMenu,
IFileMenu,
IMainMenu,
IRunMenu,
IViewMenu
} from '@jupyterlab/mainmenu';
import { ISettingRegistry } from '@jupyterlab/settingregistry';
import { CommandRegistry } from '@lumino/commands';
import { JSONObject, ReadonlyPartialJSONObject } from '@lumino/coreutils';
import { Menu } from '@lumino/widgets';
/**
* The command IDs used by the fileeditor plugin.
*/
export namespace CommandIDs {
export const createNew = 'fileeditor:create-new';
export const createNewMarkdown = 'fileeditor:create-new-markdown-file';
export const changeFontSize = 'fileeditor:change-font-size';
export const lineNumbers = 'fileeditor:toggle-line-numbers';
export const lineWrap = 'fileeditor:toggle-line-wrap';
export const changeTabs = 'fileeditor:change-tabs';
export const matchBrackets = 'fileeditor:toggle-match-brackets';
export const autoClosingBrackets = 'fileeditor:toggle-autoclosing-brackets';
export const createConsole = 'fileeditor:create-console';
export const runCode = 'fileeditor:run-code';
export const runAllCode = 'fileeditor:run-all';
export const markdownPreview = 'fileeditor:markdown-preview';
}
/**
* The class name for the text editor icon from the default theme.
*/
export const EDITOR_ICON_CLASS = 'jp-MaterialIcon jp-TextEditorIcon';
/**
* The class name for the text editor icon from the default theme.
*/
export const MARKDOWN_ICON_CLASS = 'jp-MarkdownIcon';
/**
* The name of the factory that creates editor widgets.
*/
export const FACTORY = 'Editor';
let config: CodeEditor.IConfig = { ...CodeEditor.defaultConfig };
/**
* A utility class for adding commands and menu items,
* for use by the File Editor extension or other Editor extensions.
*/
export namespace Commands {
/**
* Accessor function that returns the createConsole function for use by Create Console commands
*/
function getCreateConsoleFunction(
commands: CommandRegistry
): (
widget: IDocumentWidget<FileEditor>,
args?: ReadonlyPartialJSONObject
) => Promise<void> {
return async function createConsole(
widget: IDocumentWidget<FileEditor>,
args?: ReadonlyPartialJSONObject
): Promise<void> {
const options = args || {};
const console = await commands.execute('console:create', {
activate: options['activate'],
name: widget.context.contentsModel?.name,
path: widget.context.path,
preferredLanguage: widget.context.model.defaultKernelLanguage,
ref: widget.id,
insertMode: 'split-bottom'
});
widget.context.pathChanged.connect((sender, value) => {
console.session.setPath(value);
console.session.setName(widget.context.contentsModel?.name);
});
};
}
/**
* Update the setting values.
*/
export function updateSettings(
settings: ISettingRegistry.ISettings,
commands: CommandRegistry
): void {
config = {
...CodeEditor.defaultConfig,
...(settings.get('editorConfig').composite as JSONObject)
};
// Trigger a refresh of the rendered commands
commands.notifyCommandChanged();
}
/**
* Update the settings of the current tracker instances.
*/
export function updateTracker(
tracker: WidgetTracker<IDocumentWidget<FileEditor>>
): void {
tracker.forEach(widget => {
updateWidget(widget.content);
});
}
/**
* Update the settings of a widget.
* Skip global settings for transient editor specific configs.
*/
export function updateWidget(widget: FileEditor): void {
const transientConfigs = ['lineNumbers', 'lineWrap', 'matchBrackets'];
const editor = widget.editor;
Object.keys(config).forEach((key: keyof CodeEditor.IConfig) => {
if (!transientConfigs.includes(key)) {
editor.setOption(key, config[key]);
}
});
}
/**
* Wrapper function for adding the default File Editor commands
*/
export function addCommands(
commands: CommandRegistry,
settingRegistry: ISettingRegistry,
id: string,
isEnabled: () => boolean,
tracker: WidgetTracker<IDocumentWidget<FileEditor>>,
browserFactory: IFileBrowserFactory
) {
// Add a command to change font size.
addChangeFontSizeCommand(commands, settingRegistry, id);
addLineNumbersCommand(commands, settingRegistry, id, isEnabled);
addWordWrapCommand(commands, settingRegistry, id, isEnabled);
addChangeTabsCommand(commands, settingRegistry, id);
addMatchBracketsCommand(commands, settingRegistry, id, isEnabled);
addAutoClosingBracketsCommand(commands, settingRegistry, id);
addCreateConsoleCommand(commands, tracker, isEnabled);
addRunCodeCommand(commands, tracker, isEnabled);
addRunAllCodeCommand(commands, tracker, isEnabled);
addMarkdownPreviewCommand(commands, tracker);
// Add a command for creating a new text file.
addCreateNewCommand(commands, browserFactory);
// Add a command for creating a new Markdown file.
addCreateNewMarkdownCommand(commands, browserFactory);
}
/**
* Add a command to change font size for File Editor
*/
export function addChangeFontSizeCommand(
commands: CommandRegistry,
settingRegistry: ISettingRegistry,
id: string
) {
commands.addCommand(CommandIDs.changeFontSize, {
execute: args => {
const delta = Number(args['delta']);
if (Number.isNaN(delta)) {
console.error(
`${CommandIDs.changeFontSize}: delta arg must be a number`
);
return;
}
const style = window.getComputedStyle(document.documentElement);
const cssSize = parseInt(
style.getPropertyValue('--jp-code-font-size'),
10
);
const currentSize = config.fontSize || cssSize;
config.fontSize = currentSize + delta;
return settingRegistry
.set(id, 'editorConfig', (config as unknown) as JSONObject)
.catch((reason: Error) => {
console.error(`Failed to set ${id}: ${reason.message}`);
});
},
label: args => args['name'] as string
});
}
/**
* Add the Line Numbers command
*/
export function addLineNumbersCommand(
commands: CommandRegistry,
settingRegistry: ISettingRegistry,
id: string,
isEnabled: () => boolean
) {
commands.addCommand(CommandIDs.lineNumbers, {
execute: () => {
config.lineNumbers = !config.lineNumbers;
return settingRegistry
.set(id, 'editorConfig', (config as unknown) as JSONObject)
.catch((reason: Error) => {
console.error(`Failed to set ${id}: ${reason.message}`);
});
},
isEnabled,
isToggled: () => config.lineNumbers,
label: 'Line Numbers'
});
}
/**
* Add the Word Wrap command
*/
export function addWordWrapCommand(
commands: CommandRegistry,
settingRegistry: ISettingRegistry,
id: string,
isEnabled: () => boolean
) {
type wrappingMode = 'on' | 'off' | 'wordWrapColumn' | 'bounded';
commands.addCommand(CommandIDs.lineWrap, {
execute: args => {
config.lineWrap = (args['mode'] as wrappingMode) || 'off';
return settingRegistry
.set(id, 'editorConfig', (config as unknown) as JSONObject)
.catch((reason: Error) => {
console.error(`Failed to set ${id}: ${reason.message}`);
});
},
isEnabled,
isToggled: args => {
const lineWrap = (args['mode'] as wrappingMode) || 'off';
return config.lineWrap === lineWrap;
},
label: 'Word Wrap'
});
}
/**
* Add command for changing tabs size or type in File Editor
*/
export function addChangeTabsCommand(
commands: CommandRegistry,
settingRegistry: ISettingRegistry,
id: string
) {
commands.addCommand(CommandIDs.changeTabs, {
label: args => args['name'] as string,
execute: args => {
config.tabSize = (args['size'] as number) || 4;
config.insertSpaces = !!args['insertSpaces'];
return settingRegistry
.set(id, 'editorConfig', (config as unknown) as JSONObject)
.catch((reason: Error) => {
console.error(`Failed to set ${id}: ${reason.message}`);
});
},
isToggled: args => {
const insertSpaces = !!args['insertSpaces'];
const size = (args['size'] as number) || 4;
return config.insertSpaces === insertSpaces && config.tabSize === size;
}
});
}
/**
* Add the Match Brackets command
*/
export function addMatchBracketsCommand(
commands: CommandRegistry,
settingRegistry: ISettingRegistry,
id: string,
isEnabled: () => boolean
) {
commands.addCommand(CommandIDs.matchBrackets, {
execute: () => {
config.matchBrackets = !config.matchBrackets;
return settingRegistry
.set(id, 'editorConfig', (config as unknown) as JSONObject)
.catch((reason: Error) => {
console.error(`Failed to set ${id}: ${reason.message}`);
});
},
label: 'Match Brackets',
isEnabled,
isToggled: () => config.matchBrackets
});
}
/**
* Add the Auto Close Brackets for Text Editor command
*/
export function addAutoClosingBracketsCommand(
commands: CommandRegistry,
settingRegistry: ISettingRegistry,
id: string
) {
commands.addCommand(CommandIDs.autoClosingBrackets, {
execute: () => {
config.autoClosingBrackets = !config.autoClosingBrackets;
return settingRegistry
.set(id, 'editorConfig', (config as unknown) as JSONObject)
.catch((reason: Error) => {
console.error(`Failed to set ${id}: ${reason.message}`);
});
},
label: 'Auto Close Brackets for Text Editor',
isToggled: () => config.autoClosingBrackets
});
}
/**
* Add the Create Console for Editor command
*/
export function addCreateConsoleCommand(
commands: CommandRegistry,
tracker: WidgetTracker<IDocumentWidget<FileEditor>>,
isEnabled: () => boolean
) {
commands.addCommand(CommandIDs.createConsole, {
execute: args => {
const widget = tracker.currentWidget;
if (!widget) {
return;
}
return getCreateConsoleFunction(commands)(widget, args);
},
isEnabled,
label: 'Create Console for Editor'
});
}
/**
* Add the Run Code command
*/
export function addRunCodeCommand(
commands: CommandRegistry,
tracker: WidgetTracker<IDocumentWidget<FileEditor>>,
isEnabled: () => boolean
) {
commands.addCommand(CommandIDs.runCode, {
execute: () => {
// Run the appropriate code, taking into account a ```fenced``` code block.
const widget = tracker.currentWidget?.content;
if (!widget) {
return;
}
let code: string | undefined = '';
const editor = widget.editor;
const path = widget.context.path;
const extension = PathExt.extname(path);
const selection = editor.getSelection();
const { start, end } = selection;
let selected = start.column !== end.column || start.line !== end.line;
if (selected) {
// Get the selected code from the editor.
const start = editor.getOffsetAt(selection.start);
const end = editor.getOffsetAt(selection.end);
code = editor.model.value.text.substring(start, end);
} else if (MarkdownCodeBlocks.isMarkdown(extension)) {
const { text } = editor.model.value;
const blocks = MarkdownCodeBlocks.findMarkdownCodeBlocks(text);
for (let block of blocks) {
if (block.startLine <= start.line && start.line <= block.endLine) {
code = block.code;
selected = true;
break;
}
}
}
if (!selected) {
// no selection, submit whole line and advance
code = editor.getLine(selection.start.line);
const cursor = editor.getCursorPosition();
if (cursor.line + 1 === editor.lineCount) {
let text = editor.model.value.text;
editor.model.value.text = text + '\n';
}
editor.setCursorPosition({
line: cursor.line + 1,
column: cursor.column
});
}
const activate = false;
if (code) {
return commands.execute('console:inject', { activate, code, path });
} else {
return Promise.resolve(void 0);
}
},
isEnabled,
label: 'Run Code'
});
}
/**
* Add the Run All Code command
*/
export function addRunAllCodeCommand(
commands: CommandRegistry,
tracker: WidgetTracker<IDocumentWidget<FileEditor>>,
isEnabled: () => boolean
) {
commands.addCommand(CommandIDs.runAllCode, {
execute: () => {
let widget = tracker.currentWidget?.content;
if (!widget) {
return;
}
let code = '';
let editor = widget.editor;
let text = editor.model.value.text;
let path = widget.context.path;
let extension = PathExt.extname(path);
if (MarkdownCodeBlocks.isMarkdown(extension)) {
// For Markdown files, run only code blocks.
const blocks = MarkdownCodeBlocks.findMarkdownCodeBlocks(text);
for (let block of blocks) {
code += block.code;
}
} else {
code = text;
}
const activate = false;
if (code) {
return commands.execute('console:inject', { activate, code, path });
} else {
return Promise.resolve(void 0);
}
},
isEnabled,
label: 'Run All Code'
});
}
/**
* Add the command
*/
export function addMarkdownPreviewCommand(
commands: CommandRegistry,
tracker: WidgetTracker<IDocumentWidget<FileEditor>>
) {
commands.addCommand(CommandIDs.markdownPreview, {
execute: () => {
let widget = tracker.currentWidget;
if (!widget) {
return;
}
let path = widget.context.path;
return commands.execute('markdownviewer:open', {
path,
options: {
mode: 'split-right'
}
});
},
isVisible: () => {
let widget = tracker.currentWidget;
return (
(widget && PathExt.extname(widget.context.path) === '.md') || false
);
},
label: 'Show Markdown Preview'
});
}
/**
* Function to create a new untitled text file, given the current working directory.
*/
function createNew(
commands: CommandRegistry,
cwd: string,
ext: string = 'txt'
) {
return commands
.execute('docmanager:new-untitled', {
path: cwd,
type: 'file',
ext
})
.then(model => {
return commands.execute('docmanager:open', {
path: model.path,
factory: FACTORY
});
});
}
/**
* Add the New File command
*/
export function addCreateNewCommand(
commands: CommandRegistry,
browserFactory: IFileBrowserFactory
) {
commands.addCommand(CommandIDs.createNew, {
label: args => (args['isPalette'] ? 'New Text File' : 'Text File'),
caption: 'Create a new text file',
iconClass: args => (args['isPalette'] ? '' : EDITOR_ICON_CLASS),
execute: args => {
let cwd = args['cwd'] || browserFactory.defaultBrowser.model.path;
return createNew(commands, cwd as string);
}
});
}
/**
* Add the New Markdown File command
*/
export function addCreateNewMarkdownCommand(
commands: CommandRegistry,
browserFactory: IFileBrowserFactory
) {
commands.addCommand(CommandIDs.createNewMarkdown, {
label: args =>
args['isPalette'] ? 'New Markdown File' : 'Markdown File',
caption: 'Create a new markdown file',
iconClass: args => (args['isPalette'] ? '' : MARKDOWN_ICON_CLASS),
execute: args => {
let cwd = args['cwd'] || browserFactory.defaultBrowser.model.path;
return createNew(commands, cwd as string, 'md');
}
});
}
/**
* Wrapper function for adding the default launcher items for File Editor
*/
export function addLauncherItems(launcher: ILauncher) {
addCreateNewToLauncher(launcher);
addCreateNewMarkdownToLauncher(launcher);
}
/**
* Add Create New Text File to the Launcher
*/
export function addCreateNewToLauncher(launcher: ILauncher) {
launcher.add({
command: CommandIDs.createNew,
category: 'Other',
rank: 1
});
}
/**
* Add Create New Markdown to the Launcher
*/
export function addCreateNewMarkdownToLauncher(launcher: ILauncher) {
launcher.add({
command: CommandIDs.createNewMarkdown,
category: 'Other',
rank: 2
});
}
/**
* Wrapper function for adding the default items to the File Editor palette
*/
export function addPaletteItems(palette: ICommandPalette) {
addChangeTabsCommandsToPalette(palette);
addCreateNewCommandToPalette(palette);
addCreateNewMarkdownCommandToPalette(palette);
addChangeFontSizeCommandsToPalette(palette);
}
/**
* The category for File Editor palette commands for use in addToPalette functions
*/
const paletteCategory = 'Text Editor';
/**
* Add commands to change the tab indentation to the File Editor palette
*/
export function addChangeTabsCommandsToPalette(palette: ICommandPalette) {
let args: JSONObject = {
insertSpaces: false,
size: 4,
name: 'Indent with Tab'
};
let command = 'fileeditor:change-tabs';
palette.addItem({ command, args, category: paletteCategory });
for (let size of [1, 2, 4, 8]) {
let args: JSONObject = {
insertSpaces: true,
size,
name: `Spaces: ${size} `
};
palette.addItem({ command, args, category: paletteCategory });
}
}
/**
* Add a Create New File command to the File Editor palette
*/
export function addCreateNewCommandToPalette(palette: ICommandPalette) {
palette.addItem({
command: CommandIDs.createNew,
args: { isPalette: true },
category: paletteCategory
});
}
/**
* Add a Create New Markdown command to the File Editor palette
*/
export function addCreateNewMarkdownCommandToPalette(
palette: ICommandPalette
) {
palette.addItem({
command: CommandIDs.createNewMarkdown,
args: { isPalette: true },
category: paletteCategory
});
}
/**
* Add commands to change the font size to the File Editor palette
*/
export function addChangeFontSizeCommandsToPalette(palette: ICommandPalette) {
let command = CommandIDs.changeFontSize;
let args = { name: 'Increase Font Size', delta: 1 };
palette.addItem({ command, args, category: paletteCategory });
args = { name: 'Decrease Font Size', delta: -1 };
palette.addItem({ command, args, category: paletteCategory });
}
/**
* Wrapper function for adding the default menu items for File Editor
*/
export function addMenuItems(
menu: IMainMenu,
commands: CommandRegistry,
tracker: WidgetTracker<IDocumentWidget<FileEditor>>,
consoleTracker: IConsoleTracker,
sessionDialogs: ISessionContextDialogs | null
) {
// Add the editing commands to the settings menu.
addEditingCommandsToSettingsMenu(menu, commands);
// Add new text file creation to the file menu.
addCreateNewFileToFileMenu(menu);
// Add new markdown file creation to the file menu.
addCreateNewMarkdownFileToFileMenu(menu);
// Add undo/redo hooks to the edit menu.
addUndoRedoToEditMenu(menu, tracker);
// Add editor view options.
addEditorViewerToViewMenu(menu, tracker);
// Add a console creator the the file menu.
addConsoleCreatorToFileMenu(menu, commands, tracker);
// Add a code runner to the run menu.
addCodeRunnersToRunMenu(
menu,
commands,
tracker,
consoleTracker,
sessionDialogs
);
}
/**
* Add File Editor editing commands to the Settings menu, including:
* Indent with Tab, Tab Spaces, Change Font Size, and auto closing brackets
*/
export function addEditingCommandsToSettingsMenu(
menu: IMainMenu,
commands: CommandRegistry
) {
const tabMenu = new Menu({ commands });
tabMenu.title.label = 'Text Editor Indentation';
let args: JSONObject = {
insertSpaces: false,
size: 4,
name: 'Indent with Tab'
};
let command = 'fileeditor:change-tabs';
tabMenu.addItem({ command, args });
for (let size of [1, 2, 4, 8]) {
let args: JSONObject = {
insertSpaces: true,
size,
name: `Spaces: ${size} `
};
tabMenu.addItem({ command, args });
}
menu.settingsMenu.addGroup(
[
{
command: CommandIDs.changeFontSize,
args: { name: 'Increase Text Editor Font Size', delta: +1 }
},
{
command: CommandIDs.changeFontSize,
args: { name: 'Decrease Text Editor Font Size', delta: -1 }
},
{ type: 'submenu', submenu: tabMenu },
{ command: CommandIDs.autoClosingBrackets }
],
30
);
}
/**
* Add a Create New File command to the File menu
*/
export function addCreateNewFileToFileMenu(menu: IMainMenu) {
menu.fileMenu.newMenu.addGroup([{ command: CommandIDs.createNew }], 30);
}
/**
* Add a Create New Markdown File command to the File menu
*/
export function addCreateNewMarkdownFileToFileMenu(menu: IMainMenu) {
menu.fileMenu.newMenu.addGroup(
[{ command: CommandIDs.createNewMarkdown }],
30
);
}
/**
* Add File Editor undo and redo widgets to the Edit menu
*/
export function addUndoRedoToEditMenu(
menu: IMainMenu,
tracker: WidgetTracker<IDocumentWidget<FileEditor>>
) {
menu.editMenu.undoers.add({
tracker,
undo: widget => {
widget.content.editor.undo();
},
redo: widget => {
widget.content.editor.redo();
}
} as IEditMenu.IUndoer<IDocumentWidget<FileEditor>>);
}
/**
* Add a File Editor editor viewer to the View Menu
*/
export function addEditorViewerToViewMenu(
menu: IMainMenu,
tracker: WidgetTracker<IDocumentWidget<FileEditor>>
) {
menu.viewMenu.editorViewers.add({
tracker,
toggleLineNumbers: widget => {
const lineNumbers = !widget.content.editor.getOption('lineNumbers');
widget.content.editor.setOption('lineNumbers', lineNumbers);
},
toggleWordWrap: widget => {
const oldValue = widget.content.editor.getOption('lineWrap');
const newValue = oldValue === 'off' ? 'on' : 'off';
widget.content.editor.setOption('lineWrap', newValue);
},
toggleMatchBrackets: widget => {
const matchBrackets = !widget.content.editor.getOption('matchBrackets');
widget.content.editor.setOption('matchBrackets', matchBrackets);
},
lineNumbersToggled: widget =>
widget.content.editor.getOption('lineNumbers'),
wordWrapToggled: widget =>
widget.content.editor.getOption('lineWrap') !== 'off',
matchBracketsToggled: widget =>
widget.content.editor.getOption('matchBrackets')
} as IViewMenu.IEditorViewer<IDocumentWidget<FileEditor>>);
}
/**
* Add a File Editor console creator to the File menu
*/
export function addConsoleCreatorToFileMenu(
menu: IMainMenu,
commands: CommandRegistry,
tracker: WidgetTracker<IDocumentWidget<FileEditor>>
) {
let createConsole: (
widget: IDocumentWidget<FileEditor>
) => Promise<void> = getCreateConsoleFunction(commands);
menu.fileMenu.consoleCreators.add({
tracker,
name: 'Editor',
createConsole
} as IFileMenu.IConsoleCreator<IDocumentWidget<FileEditor>>);
}
/**
* Add a File Editor code runner to the Run menu
*/
export function addCodeRunnersToRunMenu(
menu: IMainMenu,
commands: CommandRegistry,
tracker: WidgetTracker<IDocumentWidget<FileEditor>>,
consoleTracker: IConsoleTracker,
sessionDialogs: ISessionContextDialogs | null
) {
menu.runMenu.codeRunners.add({
tracker,
noun: 'Code',
isEnabled: current =>
!!consoleTracker.find(
widget => widget.sessionContext.session?.path === current.context.path
),
run: () => commands.execute(CommandIDs.runCode),
runAll: () => commands.execute(CommandIDs.runAllCode),
restartAndRunAll: current => {
const widget = consoleTracker.find(
widget => widget.sessionContext.session?.path === current.context.path
);
if (widget) {
return (sessionDialogs || sessionContextDialogs)
.restart(widget.sessionContext)
.then(restarted => {
if (restarted) {
void commands.execute(CommandIDs.runAllCode);
}
return restarted;
});
}
}
} as IRunMenu.ICodeRunner<IDocumentWidget<FileEditor>>);
}
/**
* Wrapper function for adding the default items to the File Editor context menu
*/
export function addContextMenuItems(app: JupyterFrontEnd) {
addCreateConsoleToContextMenu(app);
addMarkdownPreviewToContextMenu(app);
}
/**
* Add a Create Console item to the File Editor context menu
*/
export function addCreateConsoleToContextMenu(app: JupyterFrontEnd) {
app.contextMenu.addItem({
command: CommandIDs.createConsole,
selector: '.jp-FileEditor'
});
}
/**
* Add a Markdown Preview item to the File Editor context menu
*/
export function addMarkdownPreviewToContextMenu(app: JupyterFrontEnd) {
app.contextMenu.addItem({
command: CommandIDs.markdownPreview,
selector: '.jp-FileEditor'
});
}
}