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/*
@VaadinApache2LicenseForJavaFiles@
*/
package com.vaadin.terminal;
import java.util.EventListener;
import com.vaadin.ui.Component;
/**
* Interface provided to ease porting of Vaadin 6 components to Vaadin 7. By
* implementing this interface your Component will be able to use
* {@link #paintContent(PaintTarget)} and
* {@link #changeVariables(Object, java.util.Map)} just like in Vaadin 6.
*
* @author Vaadin Ltd
* @since 7.0.0
*
*/
public interface Vaadin6Component extends VariableOwner, Component,
EventListener {
/**
* <p>
* Paints the Paintable into a UIDL stream. This method creates the UIDL
* sequence describing it and outputs it to the given UIDL stream.
* </p>
*
* <p>
* It is called when the contents of the component should be painted in
* response to the component first being shown or having been altered so
* that its visual representation is changed.
* </p>
*
* @param target
* the target UIDL stream where the component should paint itself
* to.
* @throws PaintException
* if the paint operation failed.
*/
public void paintContent(PaintTarget target) throws PaintException;
}
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