1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/json/src/main/java/org/netbeans/html/json/spi/FunctionBinding.java	Tue Aug 26 18:13:30 2014 +0200
     1.3 @@ -0,0 +1,110 @@
     1.4 +/**
     1.5 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
     1.6 + *
     1.7 + * Copyright 2013-2014 Oracle and/or its affiliates. All rights reserved.
     1.8 + *
     1.9 + * Oracle and Java are registered trademarks of Oracle and/or its affiliates.
    1.10 + * Other names may be trademarks of their respective owners.
    1.11 + *
    1.12 + * The contents of this file are subject to the terms of either the GNU
    1.13 + * General Public License Version 2 only ("GPL") or the Common
    1.14 + * Development and Distribution License("CDDL") (collectively, the
    1.15 + * "License"). You may not use this file except in compliance with the
    1.16 + * License. You can obtain a copy of the License at
    1.17 + * http://www.netbeans.org/cddl-gplv2.html
    1.18 + * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
    1.19 + * specific language governing permissions and limitations under the
    1.20 + * License.  When distributing the software, include this License Header
    1.21 + * Notice in each file and include the License file at
    1.22 + * nbbuild/licenses/CDDL-GPL-2-CP.  Oracle designates this
    1.23 + * particular file as subject to the "Classpath" exception as provided
    1.24 + * by Oracle in the GPL Version 2 section of the License file that
    1.25 + * accompanied this code. If applicable, add the following below the
    1.26 + * License Header, with the fields enclosed by brackets [] replaced by
    1.27 + * your own identifying information:
    1.28 + * "Portions Copyrighted [year] [name of copyright owner]"
    1.29 + *
    1.30 + * Contributor(s):
    1.31 + *
    1.32 + * The Original Software is NetBeans. The Initial Developer of the Original
    1.33 + * Software is Oracle. Portions Copyright 2013-2014 Oracle. All Rights Reserved.
    1.34 + *
    1.35 + * If you wish your version of this file to be governed by only the CDDL
    1.36 + * or only the GPL Version 2, indicate your decision by adding
    1.37 + * "[Contributor] elects to include this software in this distribution
    1.38 + * under the [CDDL or GPL Version 2] license." If you do not indicate a
    1.39 + * single choice of license, a recipient has the option to distribute
    1.40 + * your version of this file under either the CDDL, the GPL Version 2 or
    1.41 + * to extend the choice of license to its licensees as provided above.
    1.42 + * However, if you add GPL Version 2 code and therefore, elected the GPL
    1.43 + * Version 2 license, then the option applies only if the new code is
    1.44 + * made subject to such option by the copyright holder.
    1.45 + */
    1.46 +package org.netbeans.html.json.spi;
    1.47 +
    1.48 +import net.java.html.BrwsrCtx;
    1.49 +import net.java.html.json.Function;
    1.50 +import net.java.html.json.Model;
    1.51 +
    1.52 +/** Describes a function provided by the {@link Model} and 
    1.53 + * annotated by {@link Function} annotation.
    1.54 + *
    1.55 + * @author Jaroslav Tulach
    1.56 + */
    1.57 +public abstract class FunctionBinding {
    1.58 +    FunctionBinding() {
    1.59 +    }
    1.60 +    
    1.61 +    /** Returns name of the function.
    1.62 +     * @return function name
    1.63 +     */
    1.64 +    public abstract String getFunctionName();
    1.65 +    
    1.66 +    /**
    1.67 +     * Calls the function provided data associated with current element, as well
    1.68 +     * as information about the event that triggered the event.
    1.69 +     *
    1.70 +     * @param data data associated with selected element
    1.71 +     * @param ev event (with additional properties) that triggered the event
    1.72 +     */
    1.73 +    public abstract void call(Object data, Object ev);
    1.74 +
    1.75 +    static <M> FunctionBinding registerFunction(String name, int index, M model, Proto.Type<M> access) {
    1.76 +        return new Impl<M>(name, index, model, access);
    1.77 +    }
    1.78 +    
    1.79 +    private static final class Impl<M> extends FunctionBinding {
    1.80 +        final String name;
    1.81 +        private final M model;
    1.82 +        private final Proto.Type<M> access;
    1.83 +        private final int index;
    1.84 +
    1.85 +        public Impl(String name, int index, M model, Proto.Type<M> access) {
    1.86 +            this.name = name;
    1.87 +            this.index = index;
    1.88 +            this.model = model;
    1.89 +            this.access = access;
    1.90 +        }
    1.91 +
    1.92 +        @Override
    1.93 +        public String getFunctionName() {
    1.94 +            return name;
    1.95 +        }
    1.96 +
    1.97 +        @Override
    1.98 +        public void call(final Object data, final Object ev) {
    1.99 +            BrwsrCtx ctx = access.protoFor(model).getContext();
   1.100 +            class Dispatch implements Runnable {
   1.101 +                @Override
   1.102 +                public void run() {
   1.103 +                    try {
   1.104 +                        access.call(model, index, data, ev);
   1.105 +                    } catch (Throwable ex) {
   1.106 +                        ex.printStackTrace();
   1.107 +                    }
   1.108 +                }
   1.109 +            }
   1.110 +            ctx.execute(new Dispatch());
   1.111 +        }
   1.112 +    }
   1.113 +}