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What's the role of wdmodifyview in webdynpro?

What is the role of Wdmodify view method in webdynpros?

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    author's profile photo Former Member
    Former Member
    Posted on Feb 16, 2006 at 03:52 AM

    Hi,

    wdDoModifyView method is a hook method which is called just before rendering the view.

    This method can be used to access any UI element of the view for modifications. This access to view UI elements is only possible in this method since it takes a reference to the view itself as a parameter.

    This method can also be used for dynamic UI generation.

    Note that this method is called for the first time after wdDoInit and on every subsequent page refresh. This demarcation between first time calling of this method is handled through the parameter firstTime.

    Regards,

    Satyajit.

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    • Former Member Former Member

      <i>Sadly, current NW IDE does not support this via designer views.</i>

      Agreed, but "future" NWDS versions finally will provide declarative parameter mapping.

      Additionally, I tried to alleviate the pain by introducing constants for the event parameter names used in the mapping statements, e.g. instead of "guessing" the event parameter names, you can at least write

      tabStrip.mappingOfOnSelect().addSourceMapping
      (
        IWDTabStrip.IWDOnSelect.OLD_TAB,
        "name of action parameter"
      );
      

      Armin

  • Posted on Feb 16, 2006 at 12:03 AM

    WDDOMODIFYVIEW is the method used to modify the view before rendering of the view. I would compare it do the PBO(Process before output) section of a classical dynpro. I would assume that you would be able to modify the UI dynamically in this method. You can also initialize the input fields.

    Regards,

    Rich Heilman

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