TypeScript keymap.Keymap类代码示例

function startApp(session: Session.ISession) {
  // Initialize the keymap manager with the bindings.
  let commands = new CommandRegistry();
  let keymap = new Keymap({ commands });

  // Setup the keydown listener for the document.
  document.addEventListener('keydown', event => {
    keymap.processKeydownEvent(event);
  });

  const transformers = [
    new JavascriptRenderer(),
    new MarkdownRenderer(),
    new HTMLRenderer(),
    new ImageRenderer(),
    new SVGRenderer(),
    new LatexRenderer(),
    new TextRenderer()
  ];
  let renderers: RenderMime.MimeMap<RenderMime.IRenderer> = {};
  let order: string[] = [];
  for (let t of transformers) {
    for (let m of t.mimetypes) {
      renderers[m] = t;
      order.push(m);
    }
  }
  let sanitizer = defaultSanitizer;
  let rendermime = new RenderMime({ renderers, order, sanitizer });
  let renderer = CodeMirrorConsoleRenderer.defaultRenderer;

  let consolePanel = new ConsolePanel({ session, renderer, rendermime });
  consolePanel.title.label = TITLE;

  let palette = new CommandPalette({ commands, keymap });

  let panel = new SplitPanel();
  panel.id = 'main';
  panel.orientation = 'horizontal';
  panel.spacing = 0;
  SplitPanel.setStretch(palette, 0);
  SplitPanel.setStretch(consolePanel, 1);
  Widget.attach(panel, document.body);
  panel.addWidget(palette);
  panel.addWidget(consolePanel);
  window.onresize = () => { panel.update(); };

  let selector = '.jp-ConsolePanel';
  let category = 'Console';
  let command: string;


  command = 'console:clear';
  commands.addCommand(command, {
    label: 'Clear',
    execute: () => { consolePanel.content.clear(); }
  });
  palette.addItem({ command, category });

  command = 'console:execute';
  commands.addCommand(command, {
    label: 'Execute Prompt',
    execute: () => { consolePanel.content.execute(); }
  });
  palette.addItem({ command, category });
  keymap.addBinding({ command,  selector,  keys: ['Enter'] });

  command = 'console:execute-forced';
  commands.addCommand(command, {
    label: 'Execute Cell (forced)',
    execute: () => { consolePanel.content.execute(true); }
  });
  palette.addItem({ command, category });
  keymap.addBinding({ command,  selector,  keys: ['Shift Enter'] });

  command = 'console:linebreak';
  commands.addCommand(command, {
    label: 'Insert Line Break',
    execute: () => { consolePanel.content.insertLinebreak(); }
  });
  palette.addItem({ command, category });
  keymap.addBinding({ command,  selector,  keys: ['Ctrl Enter'] });
}

function createApp(manager: ServiceManager.IManager): void {
  let widgets: Widget[] = [];
  let activeWidget: Widget;

  let opener = {
    open: (widget: Widget) => {
      if (widgets.indexOf(widget) === -1) {
        dock.addWidget(widget, { mode: 'tab-after' });
        widgets.push(widget);
      }
      dock.activateWidget(widget);
      activeWidget = widget;
      widget.disposed.connect((w: Widget) => {
        let index = widgets.indexOf(w);
        widgets.splice(index, 1);
      });
    }
  };

  let docRegistry = new DocumentRegistry();
  let docManager = new DocumentManager({
    registry: docRegistry,
    manager,
    opener
  });
  let mFactory = new TextModelFactory();
  let editorServices = {
    factory: new CodeMirrorEditorFactory(),
    mimeTypeService: new CodeMirrorMimeTypeService()
  };
  let wFactory = new EditorWidgetFactory({
    editorServices,
    factoryOptions: {
      name: 'Editor',
      modelName: 'text',
      fileExtensions: ['*'],
      defaultFor: ['*'],
      preferKernel: false,
      canStartKernel: true
    }
  });
  docRegistry.addModelFactory(mFactory);
  docRegistry.addWidgetFactory(wFactory);

  let commands = new CommandRegistry();
  let keymap = new Keymap({ commands });

  let fbModel = new FileBrowserModel({ manager });
  let fbWidget = new FileBrowser({
    commands,
    keymap,
    model: fbModel,
    manager: docManager,
  });

  let panel = new SplitPanel();
  panel.id = 'main';
  panel.addWidget(fbWidget);
  SplitPanel.setStretch(fbWidget, 0);
  let dock = new DockPanel();
  panel.addWidget(dock);
  SplitPanel.setStretch(dock, 1);
  dock.spacing = 8;

  document.addEventListener('focus', event => {
    for (let i = 0; i < widgets.length; i++) {
      let widget = widgets[i];
      if (widget.node.contains(event.target as HTMLElement)) {
        activeWidget = widget;
        break;
      }
    }
  });

  commands.addCommand('file-open', {
    label: 'Open',
    icon: 'fa fa-folder-open-o',
    mnemonic: 0,
    execute: () => { fbWidget.open(); }
  });
  commands.addCommand('file-rename', {
    label: 'Rename',
    icon: 'fa fa-edit',
    mnemonic: 0,
    execute: () => { fbWidget.rename(); }
  });
  commands.addCommand('file-save', {
    execute: () => {
      let context = docManager.contextForWidget(activeWidget);
      context.save();
    }
  });
  commands.addCommand('file-cut', {
    label: 'Cut',
    icon: 'fa fa-cut',
    execute: () => { fbWidget.cut(); }
  });
  commands.addCommand('file-copy', {
    label: 'Copy',
    icon: 'fa fa-copy',
//.........这里部分代码省略.........