/**

 * Back 2 Browser Bytecode Translator

 * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>

 *

 * This program is free software: you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation, version 2 of the License.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program. Look for COPYING file in the top folder.

 * If not, see http://opensource.org/licenses/GPL-2.0.

 */

package org.apidesign.bck2brwsr.kofx;

import java.io.IOException;

import java.io.InputStream;

import java.util.ServiceLoader;

import java.util.logging.Logger;

import netscape.javascript.JSObject;

import org.apidesign.html.context.spi.Contexts;

import org.apidesign.html.json.spi.FunctionBinding;

import org.apidesign.html.json.spi.JSONCall;

import org.apidesign.html.json.spi.PropertyBinding;

import org.apidesign.html.json.spi.Technology;

import org.apidesign.html.json.spi.Transfer;

import org.openide.util.lookup.ServiceProvider;

/** This is an implementation package - just

 * include its JAR on classpath and use official {@link Context} API

 * to access the functionality.

 * <p>

 * Registers {@link ContextProvider}, so {@link ServiceLoader} can find it.

 *

 * @author Jaroslav Tulach <jtulach@netbeans.org>

 */

@ServiceProvider(service = Contexts.Provider.class)

public final class FXContext

implements Technology<JSObject>, Transfer, Contexts.Provider {

    static final Logger LOG = Logger.getLogger(FXContext.class.getName());

    @Override

    public void fillContext(Contexts.Builder context, Class<?> requestor) {

        context.register(Technology.class, this, 100);

        context.register(Transfer.class, this, 100);

    }

    @Override

    public JSObject wrapModel(Object model) {

        return (JSObject) Knockout.createBinding(model).koData();

    }

    @Override

    public void bind(PropertyBinding b, Object model, JSObject data) {

        final boolean isList = false;

        final boolean isPrimitive = false;

        Knockout.bind(data, model, b, isPrimitive, isList);

    }

    @Override

    public void valueHasMutated(JSObject data, String propertyName) {

        Knockout.valueHasMutated(data, propertyName);

    }

    @Override

    public void expose(FunctionBinding fb, Object model, JSObject d) {

        Knockout.expose(d, fb);

    }

    @Override

    public void applyBindings(JSObject data) {

        Knockout.applyBindings(data);

    }

    @Override

    public Object wrapArray(Object[] arr) {

        return Knockout.toArray(arr);

    }

    @Override

    public void extract(Object obj, String[] props, Object[] values) {

        LoadJSON.extractJSON(obj, props, values);

    }

    @Override

    public void loadJSON(final JSONCall call) {

        LoadJSON.loadJSON(call);

    }

    @Override

    public <M> M toModel(Class<M> modelClass, Object data) {

        if (data instanceof JSObject) {

            data = ((JSObject)data).getMember("ko-fx.model"); // NOI18N

        }

        return modelClass.cast(data);

    }

    @Override

    public Object toJSON(InputStream is) throws IOException {

        return LoadJSON.parse(is);

    }

}