TypeScript documentsearch.SearchProviderRegistry类代码示例

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本文整理汇总了TypeScript中@jupyterlab/documentsearch.SearchProviderRegistry类的典型用法代码示例。如果您正苦于以下问题：TypeScript SearchProviderRegistry类的具体用法？TypeScript SearchProviderRegistry怎么用？TypeScript SearchProviderRegistry使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。

在下文中一共展示了SearchProviderRegistry类的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的TypeScript代码示例。

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();
      }
    });

//.........这里部分代码省略.........

开发者ID:jupyter，项目名称:jupyterlab，代码行数:101，代码来源:index.ts

示例2:

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

开发者ID:jupyter，项目名称:jupyterlab，代码行数:7，代码来源: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();
      }

开发者ID:jupyter，项目名称:jupyterlab，代码行数:26，代码来源:index.ts

注：本文中的@jupyterlab/documentsearch.SearchProviderRegistry类示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。