/
index.ts
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/
index.ts
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// Copyright (c) Jupyter Development Team.
// Distributed under the terms of the Modified BSD License.
/**
* @packageDocumentation
* @module csvviewer-extension
*/
import {
ILayoutRestorer,
JupyterFrontEnd,
JupyterFrontEndPlugin
} from '@jupyterlab/application';
import {
createToolbarFactory,
InputDialog,
IThemeManager,
IToolbarWidgetRegistry,
WidgetTracker
} from '@jupyterlab/apputils';
import {
CSVDelimiter,
CSVViewer,
CSVViewerFactory,
TextRenderConfig,
TSVViewerFactory
} from '@jupyterlab/csvviewer';
import { DocumentRegistry, IDocumentWidget } from '@jupyterlab/docregistry';
import { ISearchProviderRegistry } from '@jupyterlab/documentsearch';
import { IEditMenu, IMainMenu } from '@jupyterlab/mainmenu';
import { IObservableList } from '@jupyterlab/observables';
import { ISettingRegistry } from '@jupyterlab/settingregistry';
import { ITranslator } from '@jupyterlab/translation';
import { DataGrid } from '@lumino/datagrid';
import { CSVSearchProvider } from './searchprovider';
/**
* The name of the factories that creates widgets.
*/
const FACTORY_CSV = 'CSVTable';
const FACTORY_TSV = 'TSVTable';
/**
* The CSV file handler extension.
*/
const csv: JupyterFrontEndPlugin<void> = {
activate: activateCsv,
id: '@jupyterlab/csvviewer-extension:csv',
requires: [ITranslator],
optional: [
ILayoutRestorer,
IThemeManager,
IMainMenu,
ISearchProviderRegistry,
ISettingRegistry,
IToolbarWidgetRegistry
],
autoStart: true
};
/**
* The TSV file handler extension.
*/
const tsv: JupyterFrontEndPlugin<void> = {
activate: activateTsv,
id: '@jupyterlab/csvviewer-extension:tsv',
requires: [ITranslator],
optional: [
ILayoutRestorer,
IThemeManager,
IMainMenu,
ISearchProviderRegistry,
ISettingRegistry,
IToolbarWidgetRegistry
],
autoStart: true
};
/**
* Connect menu entries for find and go to line.
*/
function addMenuEntries(
mainMenu: IMainMenu,
tracker: WidgetTracker<IDocumentWidget<CSVViewer>>,
translator: ITranslator
) {
const trans = translator.load('jupyterlab');
// Add go to line capability to the edit menu.
mainMenu.editMenu.goToLiners.add({
tracker,
goToLine: (widget: IDocumentWidget<CSVViewer>) => {
return InputDialog.getNumber({
title: trans.__('Go to Line'),
value: 0
}).then(value => {
if (value.button.accept && value.value !== null) {
widget.content.goToLine(value.value);
}
});
}
} as IEditMenu.IGoToLiner<IDocumentWidget<CSVViewer>>);
}
/**
* Activate cssviewer extension for CSV files
*/
function activateCsv(
app: JupyterFrontEnd,
translator: ITranslator,
restorer: ILayoutRestorer | null,
themeManager: IThemeManager | null,
mainMenu: IMainMenu | null,
searchregistry: ISearchProviderRegistry | null,
settingRegistry: ISettingRegistry | null,
toolbarRegistry: IToolbarWidgetRegistry | null
): void {
let toolbarFactory:
| ((
widget: IDocumentWidget<CSVViewer>
) => IObservableList<DocumentRegistry.IToolbarItem>)
| undefined;
if (toolbarRegistry) {
toolbarRegistry.registerFactory<IDocumentWidget<CSVViewer>>(
FACTORY_CSV,
'delimiter',
widget =>
new CSVDelimiter({
widget: widget.content,
translator
})
);
if (settingRegistry) {
toolbarFactory = createToolbarFactory(
toolbarRegistry,
settingRegistry,
FACTORY_CSV,
csv.id,
translator
);
}
}
const factory = new CSVViewerFactory({
name: FACTORY_CSV,
fileTypes: ['csv'],
defaultFor: ['csv'],
readOnly: true,
toolbarFactory,
translator
});
const tracker = new WidgetTracker<IDocumentWidget<CSVViewer>>({
namespace: 'csvviewer'
});
// The current styles for the data grids.
let style: DataGrid.Style = Private.LIGHT_STYLE;
let rendererConfig: TextRenderConfig = Private.LIGHT_TEXT_CONFIG;
if (restorer) {
// Handle state restoration.
void restorer.restore(tracker, {
command: 'docmanager:open',
args: widget => ({ path: widget.context.path, factory: FACTORY_CSV }),
name: widget => widget.context.path
});
}
app.docRegistry.addWidgetFactory(factory);
const ft = app.docRegistry.getFileType('csv');
factory.widgetCreated.connect((sender, widget) => {
// Track the widget.
void tracker.add(widget);
// Notify the widget tracker if restore data needs to update.
widget.context.pathChanged.connect(() => {
void tracker.save(widget);
});
if (ft) {
widget.title.icon = ft.icon!;
widget.title.iconClass = ft.iconClass!;
widget.title.iconLabel = ft.iconLabel!;
}
// Set the theme for the new widget.
widget.content.style = style;
widget.content.rendererConfig = rendererConfig;
});
// Keep the themes up-to-date.
const updateThemes = () => {
const isLight =
themeManager && themeManager.theme
? themeManager.isLight(themeManager.theme)
: true;
style = isLight ? Private.LIGHT_STYLE : Private.DARK_STYLE;
rendererConfig = isLight
? Private.LIGHT_TEXT_CONFIG
: Private.DARK_TEXT_CONFIG;
tracker.forEach(grid => {
grid.content.style = style;
grid.content.rendererConfig = rendererConfig;
});
};
if (themeManager) {
themeManager.themeChanged.connect(updateThemes);
}
if (mainMenu) {
addMenuEntries(mainMenu, tracker, translator);
}
if (searchregistry) {
searchregistry.register('csv', CSVSearchProvider);
}
}
/**
* Activate cssviewer extension for TSV files
*/
function activateTsv(
app: JupyterFrontEnd,
translator: ITranslator,
restorer: ILayoutRestorer | null,
themeManager: IThemeManager | null,
mainMenu: IMainMenu | null,
searchregistry: ISearchProviderRegistry | null,
settingRegistry: ISettingRegistry | null,
toolbarRegistry: IToolbarWidgetRegistry | null
): void {
let toolbarFactory:
| ((
widget: IDocumentWidget<CSVViewer>
) => IObservableList<DocumentRegistry.IToolbarItem>)
| undefined;
if (toolbarRegistry) {
toolbarRegistry.registerFactory<IDocumentWidget<CSVViewer>>(
FACTORY_TSV,
'delimiter',
widget =>
new CSVDelimiter({
widget: widget.content,
translator
})
);
if (settingRegistry) {
toolbarFactory = createToolbarFactory(
toolbarRegistry,
settingRegistry,
FACTORY_TSV,
tsv.id,
translator
);
}
}
const factory = new TSVViewerFactory({
name: FACTORY_TSV,
fileTypes: ['tsv'],
defaultFor: ['tsv'],
readOnly: true,
toolbarFactory,
translator
});
const tracker = new WidgetTracker<IDocumentWidget<CSVViewer>>({
namespace: 'tsvviewer'
});
// The current styles for the data grids.
let style: DataGrid.Style = Private.LIGHT_STYLE;
let rendererConfig: TextRenderConfig = Private.LIGHT_TEXT_CONFIG;
if (restorer) {
// Handle state restoration.
void restorer.restore(tracker, {
command: 'docmanager:open',
args: widget => ({ path: widget.context.path, factory: FACTORY_TSV }),
name: widget => widget.context.path
});
}
app.docRegistry.addWidgetFactory(factory);
const ft = app.docRegistry.getFileType('tsv');
factory.widgetCreated.connect((sender, widget) => {
// Track the widget.
void tracker.add(widget);
// Notify the widget tracker if restore data needs to update.
widget.context.pathChanged.connect(() => {
void tracker.save(widget);
});
if (ft) {
widget.title.icon = ft.icon!;
widget.title.iconClass = ft.iconClass!;
widget.title.iconLabel = ft.iconLabel!;
}
// Set the theme for the new widget.
widget.content.style = style;
widget.content.rendererConfig = rendererConfig;
});
// Keep the themes up-to-date.
const updateThemes = () => {
const isLight =
themeManager && themeManager.theme
? themeManager.isLight(themeManager.theme)
: true;
style = isLight ? Private.LIGHT_STYLE : Private.DARK_STYLE;
rendererConfig = isLight
? Private.LIGHT_TEXT_CONFIG
: Private.DARK_TEXT_CONFIG;
tracker.forEach(grid => {
grid.content.style = style;
grid.content.rendererConfig = rendererConfig;
});
};
if (themeManager) {
themeManager.themeChanged.connect(updateThemes);
}
if (mainMenu) {
addMenuEntries(mainMenu, tracker, translator);
}
if (searchregistry) {
searchregistry.register('tsv', CSVSearchProvider);
}
}
/**
* Export the plugins as default.
*/
const plugins: JupyterFrontEndPlugin<any>[] = [csv, tsv];
export default plugins;
/**
* A namespace for private data.
*/
namespace Private {
/**
* The light theme for the data grid.
*/
export const LIGHT_STYLE: DataGrid.Style = {
...DataGrid.defaultStyle,
voidColor: '#F3F3F3',
backgroundColor: 'white',
headerBackgroundColor: '#EEEEEE',
gridLineColor: 'rgba(20, 20, 20, 0.15)',
headerGridLineColor: 'rgba(20, 20, 20, 0.25)',
rowBackgroundColor: i => (i % 2 === 0 ? '#F5F5F5' : 'white')
};
/**
* The dark theme for the data grid.
*/
export const DARK_STYLE: DataGrid.Style = {
...DataGrid.defaultStyle,
voidColor: 'black',
backgroundColor: '#111111',
headerBackgroundColor: '#424242',
gridLineColor: 'rgba(235, 235, 235, 0.15)',
headerGridLineColor: 'rgba(235, 235, 235, 0.25)',
rowBackgroundColor: i => (i % 2 === 0 ? '#212121' : '#111111')
};
/**
* The light config for the data grid renderer.
*/
export const LIGHT_TEXT_CONFIG: TextRenderConfig = {
textColor: '#111111',
matchBackgroundColor: '#FFFFE0',
currentMatchBackgroundColor: '#FFFF00',
horizontalAlignment: 'right'
};
/**
* The dark config for the data grid renderer.
*/
export const DARK_TEXT_CONFIG: TextRenderConfig = {
textColor: '#F5F5F5',
matchBackgroundColor: '#838423',
currentMatchBackgroundColor: '#A3807A',
horizontalAlignment: 'right'
};
}