1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/json/src/main/java/org/netbeans/html/json/spi/PropertyBinding.java Tue Aug 26 18:13:30 2014 +0200
1.3 @@ -0,0 +1,168 @@
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 org.netbeans.html.json.impl.Bindings;
1.50 +import org.netbeans.html.json.impl.JSON;
1.51 +import org.netbeans.html.json.impl.PropertyBindingAccessor;
1.52 +import org.netbeans.html.json.impl.RcvrJSON;
1.53 +
1.54 +/** Describes a property when one is asked to
1.55 + * bind it
1.56 + *
1.57 + * @author Jaroslav Tulach
1.58 + */
1.59 +public abstract class PropertyBinding {
1.60 + PropertyBinding() {
1.61 + }
1.62 +
1.63 + static {
1.64 + new PropertyBindingAccessor() {
1.65 + @Override
1.66 + protected JSONCall newCall(BrwsrCtx ctx, RcvrJSON callback, String urlBefore, String urlAfter, String method, Object data) {
1.67 + return new JSONCall(ctx, callback, urlBefore, urlAfter, method, data);
1.68 + }
1.69 +
1.70 + @Override
1.71 + protected Bindings bindings(Proto proto, boolean initialize) {
1.72 + return initialize ? proto.initBindings() : proto.getBindings();
1.73 + }
1.74 +
1.75 + @Override
1.76 + protected void notifyChange(Proto proto, int propIndex) {
1.77 + proto.onChange(propIndex);
1.78 + }
1.79 +
1.80 + @Override
1.81 + protected Proto findProto(Proto.Type<?> type, Object object) {
1.82 + return type.protoFor(object);
1.83 + }
1.84 +
1.85 + @Override
1.86 + protected <Model> Model cloneTo(Proto.Type<Model> type, Model model, BrwsrCtx c) {
1.87 + return type.cloneTo(model, c);
1.88 + }
1.89 +
1.90 + @Override
1.91 + protected Object read(Proto.Type<?> from, BrwsrCtx c, Object data) {
1.92 + return from.read(c, data);
1.93 + }
1.94 +
1.95 + @Override
1.96 + protected <M> PropertyBinding newBinding(
1.97 + Proto.Type<M> access, Bindings<?> bindings, String name,
1.98 + int index, M model, boolean readOnly
1.99 + ) {
1.100 + return new Impl(bindings, name, index, model, access, readOnly);
1.101 + }
1.102 + };
1.103 + }
1.104 +
1.105 + /** Name of the property this binding represents.
1.106 + * @return name of the property
1.107 + */
1.108 + public abstract String getPropertyName();
1.109 +
1.110 + /** Changes value of the property. Can be called only on dedicated
1.111 + * thread. See {@link Technology#runSafe(java.lang.Runnable)}.
1.112 + *
1.113 + * @param v new value of the property
1.114 + */
1.115 + public abstract void setValue(Object v);
1.116 +
1.117 + /** Obtains current value of the property this binding represents.
1.118 + * Can be called only on dedicated
1.119 + * thread. See {@link Technology#runSafe(java.lang.Runnable)}.
1.120 + *
1.121 + * @return the value or <code>null</code>
1.122 + */
1.123 + public abstract Object getValue();
1.124 +
1.125 + /** Is this property read only? Or can one call {@link #setValue(java.lang.Object)}?
1.126 + *
1.127 + * @return true, if this property is read only
1.128 + */
1.129 + public abstract boolean isReadOnly();
1.130 +
1.131 + private static final class Impl<M> extends PropertyBinding {
1.132 + public final String name;
1.133 + public final boolean readOnly;
1.134 + private final M model;
1.135 + private final Proto.Type<M> access;
1.136 + private final Bindings<?> bindings;
1.137 + private final int index;
1.138 +
1.139 + public Impl(Bindings<?> bindings, String name, int index, M model, Proto.Type<M> access, boolean readOnly) {
1.140 + this.bindings = bindings;
1.141 + this.name = name;
1.142 + this.index = index;
1.143 + this.model = model;
1.144 + this.access = access;
1.145 + this.readOnly = readOnly;
1.146 + }
1.147 +
1.148 + @Override
1.149 + public void setValue(Object v) {
1.150 + access.setValue(model, index, v);
1.151 + }
1.152 +
1.153 + @Override
1.154 + public Object getValue() {
1.155 + Object v = access.getValue(model, index);
1.156 + Object r = JSON.find(v, bindings);
1.157 + return r == null ? v : r;
1.158 + }
1.159 +
1.160 + @Override
1.161 + public boolean isReadOnly() {
1.162 + return readOnly;
1.163 + }
1.164 +
1.165 + @Override
1.166 + public String getPropertyName() {
1.167 + return name;
1.168 + }
1.169 + } // end of PBData
1.170 +
1.171 +}