de.csenk.gwt.commons.editor.client.AbstractAutoFlushBeanEditorDriver.java Source code

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Here is the source code for de.csenk.gwt.commons.editor.client.AbstractAutoFlushBeanEditorDriver.java

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/*
 * Copyright 2012 Christian Senk
 * 
 * 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 de.csenk.gwt.commons.editor.client;

import java.util.ArrayList;
import java.util.List;

import com.google.gwt.editor.client.Editor;
import com.google.gwt.editor.client.EditorVisitor;
import com.google.gwt.editor.client.impl.AbstractAutoFlushEditorDelegate;
import com.google.gwt.editor.client.impl.AbstractEditorDelegate;
import com.google.gwt.editor.client.impl.AbstractSimpleBeanEditorDriver;
import com.google.gwt.event.shared.GwtEvent;
import com.google.gwt.event.shared.HandlerManager;
import com.google.gwt.event.shared.HandlerRegistration;

import de.csenk.gwt.commons.editor.shared.AutoFlushBeanEditorDriver;
import de.csenk.gwt.commons.editor.shared.FlushEvent;
import de.csenk.gwt.commons.editor.shared.FlushHandler;

/**
 * @author senk.christian@googlemail.com
 *
 */
public abstract class AbstractAutoFlushBeanEditorDriver<T, E extends Editor<T>>
        extends AbstractSimpleBeanEditorDriver<T, E> implements AutoFlushBeanEditorDriver<T, E> {

    private final HandlerManager handlerManager;
    private final List<HandlerRegistration> autoFlushHandlerRegistrations = new ArrayList<HandlerRegistration>();

    /**
     * 
     */
    public AbstractAutoFlushBeanEditorDriver() {
        this.handlerManager = new HandlerManager(this);
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public HandlerRegistration addFlushHandler(FlushHandler handler) {
        return handlerManager.addHandler(FlushEvent.getType(), handler);
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void fireEvent(GwtEvent<?> event) {
        handlerManager.fireEvent(event);
    }

    /**
     * {@inheritDoc}
     */
    @Override
    protected EditorVisitor createInitializerVisitor() {
        for (HandlerRegistration handlerRegistration : autoFlushHandlerRegistrations)
            handlerRegistration.removeHandler();

        autoFlushHandlerRegistrations.clear();
        return new AutoFlushInitializer(autoFlushHandlerRegistrations, this);
    }

    /**
     * {@inheritDoc}
     */
    @Override
    protected void configureDelegate(AbstractEditorDelegate<T, E> rootDelegate) {
        final AbstractAutoFlushEditorDelegate<T, E> delegate = (AbstractAutoFlushEditorDelegate<T, E>) rootDelegate;
        delegate.setDriver(this);

        super.configureDelegate(rootDelegate);
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void flushPath(String path) {
        //      checkObject();
        //       errors = new ArrayList<EditorError>();
        accept(new PathFlusher(path));
        //TODO Collect the error?!
    }

}