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Zones are Tapestry's approach to performing partial page updates. A Zone component renders as an HTML element, typically a <div>, with the "t-zone" CSS class. (It also adds some JavaScript to the page to "wire up" a Tapestry.ZoneManager object to control updating that element.)

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Autocomplete Mixin

The Autocomplete mixin exists to allow a text field to query the server for completions for a partially entered phrase. It is often used in situations where the field exists to select a single value from a large set, too large to successfully download to the client as a drop down list; for example, when the number of values to select from is numbered in the thousands.

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The mixin can be configured in a number of ways, see the component reference.

When the user types into the field, the client-side JavaScript will send a request to the server to get completions.

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