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/*
* Copyright 2000-2016 Vaadin Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package com.vaadin.ui;
import com.vaadin.event.ConnectorEventListener;
import com.vaadin.server.PaintException;
import com.vaadin.server.PaintTarget;
import com.vaadin.server.VariableOwner;
/**
* 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.
*
* @deprecated As of 7.0. This class is only intended to ease migration and
* should not be used for new projects.
*
* @author Vaadin Ltd
* @since 7.0.0
*/
@Deprecated
public interface LegacyComponent
extends VariableOwner, Component, ConnectorEventListener {
/**
* <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;
/**
* (non-Javadoc) {@inheritDoc}
* <p>
* For a LegacyComponent, markAsDirty will also cause
* {@link #paintContent(PaintTarget)} to be called before sending changes to
* the client.
*
* @see com.vaadin.server.ClientConnector#markAsDirty()
*/
@Override
public void markAsDirty();
}
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