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public interface IWidgetLifeCycleAdapter
A stateless callback handler used by RWT to synchronize the client-side and server-side state of a widget. Each widget type should provide its own implementation of this interface.
AbstractWidgetLCA,
WidgetLCAUtil| Method Summary | |
|---|---|
void |
preserveValues(Widget widget)
Preserves the current state of the widget in order to be able to keep track of changes. |
void |
readData(Widget widget)
Reads request parameters and applies the state changes that are indicated by the client to the widget. |
void |
render(Widget widget)
Writes JavaScript code to the response that renders the changes that has been made to the widget. |
| Method Detail |
|---|
void preserveValues(Widget widget)
Implementors can use the method
IWidgetAdapter.preserve(String, Object). As a rule of thumb, every
property that is written in render must be preserved in this
method.
widget - the widget, the properties of which are preservedvoid readData(Widget widget)
widget - the widget to be processed
void render(Widget widget)
throws java.io.IOException
widget - the widget to render changes for
java.io.IOException
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