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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.

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 * Development and Distribution License("CDDL") (collectively, the

 * "License"). You may not use this file except in compliance with the

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 * http://www.netbeans.org/cddl-gplv2.html

 * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the

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 * nbbuild/licenses/CDDL-GPL-2-CP.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

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 *

 * The Original Software is NetBeans. The Initial Developer of the Original

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 * If you wish your version of this file to be governed by only the CDDL

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package org.netbeans.html.json.impl;

import net.java.html.BrwsrCtx;

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

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

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

/**

 *

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

 */

public abstract class PropertyBindingAccessor {

    private static PropertyBindingAccessor DEFAULT;

    protected PropertyBindingAccessor() {

        if (DEFAULT != null) throw new IllegalStateException();

        DEFAULT = this;

    }

    static {

        JSON.initClass(PropertyBinding.class);

    }

    protected abstract <M> PropertyBinding newBinding(PBData<M> d);

    protected abstract <M> FunctionBinding newFunction(FBData<M> d);

    protected abstract JSONCall newCall(

        BrwsrCtx ctx, RcvrJSON callback, String urlBefore, String urlAfter,

        String method, Object data

    );

    static <M> PropertyBinding create(PBData<M> d) {

        return DEFAULT.newBinding(d);

    }

    static <M> FunctionBinding createFunction(FBData<M> d) {

        return DEFAULT.newFunction(d);

    }

    static JSONCall createCall(

        BrwsrCtx ctx, RcvrJSON callback, String urlBefore, String urlAfter, 

        String method, Object data

    ) {

        return DEFAULT.newCall(ctx, callback, urlBefore, urlAfter, method, data);

    }

    public static final class PBData<M> {

        public final String name;

        public final boolean readOnly;

        private final M model;

        private final SetAndGet<M> access;

        private final Bindings<?> bindings;

        public PBData(Bindings<?> bindings, String name, M model, SetAndGet<M> access, boolean readOnly) {

            this.bindings = bindings;

            this.name = name;

            this.model = model;

            this.access = access;

            this.readOnly = readOnly;

        }

        public void setValue(Object v) {

            access.setValue(model, v);

        }

        public Object getValue() {

            return access.getValue(model);

        }

        public boolean isReadOnly() {

            return readOnly;

        }

        public Bindings getBindings() {

            return bindings;

        }

    } // end of PBData

    public static final class FBData<M> {

        public final String name;

        private final M model;

        private final Callback<M> access;

        public FBData(String name, M model, Callback<M> access) {

            this.name = name;

            this.model = model;

            this.access = access;

        }

        public void call(Object data, Object ev) {

            access.call(model, data, ev);

        }

    } // end of FBData

}