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    • 33. 发明授权
    • System and method for dynamically expanding and collapsing a tree view for an HTML web interface
    • 用于动态扩展和折叠HTML Web界面的树视图的系统和方法
    • US06314424B1
    • 2001-11-06
    • US09164442
    • 1998-09-28
    • Michael Allen KaczmarskiRandy Yuan-Yi Tung
    • Michael Allen KaczmarskiRandy Yuan-Yi Tung
    • G06F1730
    • G06F17/30905
    • The present invention provides a system and method for expanding and collapsing a tree view from a web interface by using HTML to build the visual representation of the web server's information structure, which has the capability to preserve previous tree expansion states in the stateless web HTML environment. In a method according to the present invention, a request comes in from a client browser which contains a universal resource locator (URL). The web server passes the URL to the tree HTML page generation engine to generate the collapsible/expandable tree. The tree HTML page generation engine server will call the corresponding query modules according to the information passed in from the URL. A linked list is generated according to the results returned from one of the query modules. The linked list is then passed into the tree HTML page generation engine. The tree HTML page generation engine generates the HTML page containing nodes. Each node has an embedded URL associated with it and contains a special encoding to memorize the tree expansion state information. The generated tree view is then returned to the web server and then to the browser.
    • 本发明提供了一种用于通过使用HTML来扩展和折叠来自web界面的树视图的系统和方法,以构建web服务器的信息结构的视觉表示,该信息结构具有在无状态web HTML环境中保留以前的树扩展状态的能力 。 在根据本发明的方法中,来自包含通用资源定位符(URL)的客户端浏览器发出请求。 Web服务器将URL传递给树HTML页面生成引擎,以生成可折叠/可展开的树。 树HTML页面生成引擎服务器将根据URL中传递的信息调用相应的查询模块。 根据从其中一个查询模块返回的结果生成链表。 链接列表然后传递到树HTML页面生成引擎。 树HTML页面生成引擎生成包含节点的HTML页面。 每个节点都有一个与之相关联的嵌入式URL,并包含一个特殊的编码来存储树扩展状态信息。 然后将生成的树视图返回到Web服务器,然后返回到浏览器。