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Lotus Instant Messaging/ Web Conferencing ... - IBM Redbooks

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Portlets run inside the portlet container of the Portal Server component, similar tothe way a servlet runs on an application server. The portlet container provides arun-time environment in which portlets are instantiated, used, and finallydestroyed. Portlets rely on the <strong>Web</strong>Sphere Portal infrastructure to access userprofile information, participate in window and action events, communicate withother portlets, access remote content, look up credentials, and store persistentdata.Portlet modesPortlet modes allow a portlet to display a different user interface, depending onthe task required of the portlet. A portlet has several modes of display that can beinvoked by icons on the portlet title bar: View, Help, and Edit.A portlet is initially displayed in its View mode (Figure 10-3). As the user interactswith the portlet, the portlet may display a sequence of view states, such as formsand responses, error messages, and other application-specific states. Helpmode provides user assistance. Edit mode provides a page for users to changeportlet settings. For example, a weather portlet might provide an Edit page forusers to specify location. Users must be logged into <strong>Web</strong>Sphere Portal to accessEdit mode.Figure 10-3 Entering Edit mode of a portlet with other “mode” icons shownEach portlet mode can be displayed in normal, maximized, or minimized states.When a portlet is maximized, it is displayed in the entire body of a page,replacing the view of other portlets. When a portlet is minimized, only the portlettitle bar is displayed on the page.10.2 Versions of <strong>Web</strong>Sphere Portal and SametimeThis section is intended to highlight an important integration considerationbetween Sametime and <strong>IBM</strong> <strong>Web</strong>Sphere Portal Server. Depending upon whichversion of <strong>Web</strong>Sphere Portal is purchased and deployed, this may impactwhether or not the <strong>Lotus</strong> Collaborative Components API is included with<strong>Web</strong>Sphere Portal. Ultimately, this also determines the API options available andthe flexibility of your approach when integrating Sametime collaborativefunctionality into portlets.Chapter 10. Sametime-enabling portlets 277

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