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System and method for dynamically generating a graphical user interface

  • US 7,647,564 B2
  • Filed: 02/27/2004
  • Issued: 01/12/2010
  • Est. Priority Date: 02/28/2003
  • Status: Active Grant
First Claim
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1. A method for building a representation of a graphical user interface (GUI), comprising:

  • generating a representation of the GUI from metadata, wherein the representation includes at least one control, wherein the at least one control has an interchangeable persistence mechanism;

    driving the representation through at least one lifecycle stage by an interchangeable lifecycle component;

    wherein the metadata can include at least one of;

    hierarchical relationships among controls, control properties, and control event information;

    wherein the representation can be driven through the at least one lifecycle stage by an interchangeable lifecycle component;

    wherein an interface is provided to isolate details of the interchangeable lifecycle component from a control container to allow different lifecycle implementations to be interchangeable, the interchangeable lifecycle component further drives a control tree through different lifecycle stages, the control tree includes portal controls, desktop controls, page controls and portlet controls;

    wherein the at least one control can advance through the at least one lifecycle stage in parallel with another control;

    wherein the interchangeable life cycle component runs on at least one processor; and

    wherein the life cycle stages include an “

    Init”

    stage that allows a control to perform initialization, a “

    Load State”

    stage that loads previously saved state from a request, a “

    Create Child Controls”

    stage that creates any child controls, a “

    Load”

    stage that obtains any external resources necessary for processing the request, a “

    Raise Events”

    stage that is a two phase stage where controls first indicate they want to raise events and then all controls who indicated this are allowed to raise events, a “

    Pre-render”

    stage that is the final stage before the rendering stages, a “

    Save State”

    stage in which all controls that want to save their states are given the opportunity to do so, a “

    Render”

    stage that is the stage where controls create their GUI representations and control how any children are rendered, a “

    Unload”

    stage that allows the control to free resources, and “

    Dispose”

    stage that does any final cleanup.

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