TypeScript documentsearch.SearchProviderRegistry類代碼示例

本文整理匯總了TypeScript中@jupyterlab/documentsearch.SearchProviderRegistry類的典型用法代碼示例。如果您正苦於以下問題：TypeScript SearchProviderRegistry類的具體用法？TypeScript SearchProviderRegistry怎麽用？TypeScript SearchProviderRegistry使用的例子？那麽, 這裏精選的類代碼示例或許可以為您提供幫助。

在下文中一共展示了SearchProviderRegistry類的3個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的TypeScript代碼示例。

示例1: SearchProviderRegistry

  activate: (
    app: JupyterFrontEnd,
    palette: ICommandPalette,
    mainMenu: IMainMenu | null
  ) => {
    // Create registry, retrieve all default providers
    const registry: SearchProviderRegistry = new SearchProviderRegistry();
    // TODO: Should register the default providers, with an application-specific
    // enabler.

    const activeSearches = new Map<string, SearchInstance>();

    const startCommand: string = 'documentsearch:start';
    const nextCommand: string = 'documentsearch:highlightNext';
    const prevCommand: string = 'documentsearch:highlightPrevious';
    app.commands.addCommand(startCommand, {
      label: 'FindâŚ',
      isEnabled: () => {
        const currentWidget = app.shell.currentWidget;
        if (!currentWidget) {
          return;
        }
        return registry.getProviderForWidget(currentWidget) !== undefined;
      },
      execute: () => {
        const currentWidget = app.shell.currentWidget;
        if (!currentWidget) {
          return;
        }
        const widgetId = currentWidget.id;
        let searchInstance = activeSearches.get(widgetId);
        if (!searchInstance) {
          const searchProvider = registry.getProviderForWidget(currentWidget);
          if (!searchProvider) {
            return;
          }
          searchInstance = new SearchInstance(currentWidget, searchProvider);

          activeSearches.set(widgetId, searchInstance);
          // find next and previous are now enabled
          app.commands.notifyCommandChanged();

          searchInstance.disposed.connect(() => {
            activeSearches.delete(widgetId);
            // find next and previous are now not enabled
            app.commands.notifyCommandChanged();
          });
        }
        searchInstance.focusInput();
      }
    });

    app.commands.addCommand(nextCommand, {
      label: 'Find Next',
      isEnabled: () => {
        const currentWidget = app.shell.currentWidget;
        if (!currentWidget) {
          return;
        }
        return activeSearches.has(currentWidget.id);
      },
      execute: async () => {
        const currentWidget = app.shell.currentWidget;
        if (!currentWidget) {
          return;
        }
        const instance = activeSearches.get(currentWidget.id);
        if (!instance) {
          return;
        }

        await instance.provider.highlightNext();
        instance.updateIndices();
      }
    });

    app.commands.addCommand(prevCommand, {
      label: 'Find Previous',
      isEnabled: () => {
        const currentWidget = app.shell.currentWidget;
        if (!currentWidget) {
          return;
        }
        return activeSearches.has(currentWidget.id);
      },
      execute: async () => {
        const currentWidget = app.shell.currentWidget;
        if (!currentWidget) {
          return;
        }
        const instance = activeSearches.get(currentWidget.id);
        if (!instance) {
          return;
        }

        await instance.provider.highlightPrevious();
        instance.updateIndices();
      }
    });

//.........這裏部分代碼省略.........

開發者ID:jupyter，項目名稱:jupyterlab，代碼行數:101，代碼來源:index.ts

示例2:

 isEnabled: () => {
   const currentWidget = app.shell.currentWidget;
   if (!currentWidget) {
     return;
   }
   return registry.getProviderForWidget(currentWidget) !== undefined;
 },

開發者ID:jupyter，項目名稱:jupyterlab，代碼行數:7，代碼來源:index.ts

示例3: SearchInstance

      execute: () => {
        const currentWidget = app.shell.currentWidget;
        if (!currentWidget) {
          return;
        }
        const widgetId = currentWidget.id;
        let searchInstance = activeSearches.get(widgetId);
        if (!searchInstance) {
          const searchProvider = registry.getProviderForWidget(currentWidget);
          if (!searchProvider) {
            return;
          }
          searchInstance = new SearchInstance(currentWidget, searchProvider);

          activeSearches.set(widgetId, searchInstance);
          // find next and previous are now enabled
          app.commands.notifyCommandChanged();

          searchInstance.disposed.connect(() => {
            activeSearches.delete(widgetId);
            // find next and previous are now not enabled
            app.commands.notifyCommandChanged();
          });
        }
        searchInstance.focusInput();
      }

開發者ID:jupyter，項目名稱:jupyterlab，代碼行數:26，代碼來源:index.ts

注：本文中的@jupyterlab/documentsearch.SearchProviderRegistry類示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台，相關代碼片段篩選自各路編程大神貢獻的開源項目，源碼版權歸原作者所有，傳播和使用請參考對應項目的License；未經允許，請勿轉載。