PATH Documentation > WebObjects

Up

D2WQuery



Component Description

This Direct to Web reusable component displays a query component. See the "Direct to Web" chapter of WebObjects Tools and Techniques for information about the behavior and appearance of this component.


Synopsis

D2WQuery { [action=anAction;] [displayKeys=keyArray;] entityName=nameString; queryDataSource=aDataSource; [pageConfiguration=configurationName;] };

Bindings

action
The action method to invoke when the user clicks Search DB. This method is invoked after the D2WQuery component fetches the objects matching the query.
displayKeys
The properties of the entity to query (NSArray). You can also represent the array as a string: "(prop1, prop2, ...)".
entityName
The name of the entity to query for (String).
queryDataSource
An EODataSource containing the objects that match the query.
pageConfiguration
The named configuration containing the Web Assistant settings for this component (String). If this binding is not specified, the "*all*" configuration for the query task and the entityName entity is used. See the "Direct to Web" chapter of WebObjects Tools and Techniques for more information about named configurations.

Example

myQuery : D2WQuery {
    entityName = "Movie";
    displayKeys = "(title, roles)";
    queryDataSource = displayGroup.dataSource;
    action = displayGroup.fetch;
}


Up

© 2001 Apple Computer, Inc.