| 摘要 |
A method, apparatus, and article of manufacture, and a memory structure for accepting data input into a computer is disclosed. The method comprises the steps of presenting a component to the user, wherein the component includes an input area for accepting the input data, and the component is subject to a constraint for the data, accepting user input into the component input area, and following an assistance policy associated with the component when the user input violates the value constraint. In one embodiment, the value constraint for the input data is organized according to the component content type. In another embodiment, the method comprises the steps of defining a component comprising an input area for accepting input data, associating the component with a value constraint according to a content type of the input area, and associating the component with an assistance policy selected from a set of assistance policies. The article of manufacture comprises a program storage device tangibly embodying instructions for performing the method steps defined above. The apparatus comprises a means for presenting a component including an input area for accepting user input from the user, wherein the component is subject to a constraint for the input data according to component content type, means for accepting user input into the component input area, and means for enforcing an assistance policy associated with the component when the user input violates the value constraint.
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