json/src/main/java/org/netbeans/html/json/impl/JSONList.java
branchnetbeans
changeset 362 92fb71afdc0e
parent 358 80702021b851
child 365 5c93ad8c7a15
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/json/src/main/java/org/netbeans/html/json/impl/JSONList.java	Mon Dec 16 16:59:43 2013 +0100
     1.3 @@ -0,0 +1,236 @@
     1.4 +/**
     1.5 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
     1.6 + *
     1.7 + * Copyright 1997-2010 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 2013-2013 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.impl;
    1.47 +
    1.48 +import java.lang.reflect.Array;
    1.49 +import java.util.ArrayList;
    1.50 +import java.util.Arrays;
    1.51 +import java.util.Collection;
    1.52 +import java.util.Iterator;
    1.53 +import java.util.List;
    1.54 +import net.java.html.BrwsrCtx;
    1.55 +
    1.56 +/**
    1.57 + *
    1.58 + * @author Jaroslav Tulach <jtulach@netbeans.org>
    1.59 + */
    1.60 +public final class JSONList<T> extends ArrayList<T> {
    1.61 +    private final String name;
    1.62 +    private final String[] deps;
    1.63 +    private Bindings[] model;
    1.64 +    private Runnable onchange;
    1.65 +
    1.66 +    public JSONList(Bindings[] model, String name, String... deps) {
    1.67 +        assert model.length == 1;
    1.68 +        this.model = model;
    1.69 +        this.name = name;
    1.70 +        this.deps = deps;
    1.71 +    }
    1.72 +    
    1.73 +    public void init(T... values) {
    1.74 +        if (values == null || values.length == 0) {
    1.75 +            return;
    1.76 +        }
    1.77 +        if (this.model[0] != null || !isEmpty()) {
    1.78 +            throw new IllegalStateException();
    1.79 +        }
    1.80 +        super.addAll(Arrays.asList(values));
    1.81 +    }
    1.82 +    
    1.83 +    public void init(Object values) {
    1.84 +        int len;
    1.85 +        if (values == null || (len = Array.getLength(values)) == 0) {
    1.86 +            return;
    1.87 +        }
    1.88 +        if (this.model[0] != null || !isEmpty()) {
    1.89 +            throw new IllegalStateException();
    1.90 +        }
    1.91 +        for (int i = 0; i < len; i++) {
    1.92 +            Object data = Array.get(values, i);
    1.93 +            super.add((T)data);
    1.94 +        }
    1.95 +    }
    1.96 +    
    1.97 +    public JSONList<T> onChange(Runnable r) {
    1.98 +        if (this.onchange != null) {
    1.99 +            throw new IllegalStateException();
   1.100 +        }
   1.101 +        this.onchange = r;
   1.102 +        return this;
   1.103 +    }
   1.104 +
   1.105 +    @Override
   1.106 +    public boolean add(T e) {
   1.107 +        boolean ret = super.add(e);
   1.108 +        notifyChange();
   1.109 +        return ret;
   1.110 +    }
   1.111 +
   1.112 +    @Override
   1.113 +    public boolean addAll(Collection<? extends T> c) {
   1.114 +        boolean ret = super.addAll(c);
   1.115 +        notifyChange();
   1.116 +        return ret;
   1.117 +    }
   1.118 +
   1.119 +    @Override
   1.120 +    public boolean addAll(int index, Collection<? extends T> c) {
   1.121 +        boolean ret = super.addAll(index, c);
   1.122 +        notifyChange();
   1.123 +        return ret;
   1.124 +    }
   1.125 +
   1.126 +    @Override
   1.127 +    public boolean remove(Object o) {
   1.128 +        boolean ret = super.remove(o);
   1.129 +        notifyChange();
   1.130 +        return ret;
   1.131 +    }
   1.132 +
   1.133 +    @Override
   1.134 +    public void clear() {
   1.135 +        super.clear();
   1.136 +        notifyChange();
   1.137 +    }
   1.138 +
   1.139 +    @Override
   1.140 +    public boolean removeAll(Collection<?> c) {
   1.141 +        boolean ret = super.removeAll(c);
   1.142 +        notifyChange();
   1.143 +        return ret;
   1.144 +    }
   1.145 +
   1.146 +    @Override
   1.147 +    public boolean retainAll(Collection<?> c) {
   1.148 +        boolean ret = super.retainAll(c);
   1.149 +        notifyChange();
   1.150 +        return ret;
   1.151 +    }
   1.152 +
   1.153 +    @Override
   1.154 +    public T set(int index, T element) {
   1.155 +        T ret = super.set(index, element);
   1.156 +        notifyChange();
   1.157 +        return ret;
   1.158 +    }
   1.159 +
   1.160 +    @Override
   1.161 +    public void add(int index, T element) {
   1.162 +        super.add(index, element);
   1.163 +        notifyChange();
   1.164 +    }
   1.165 +
   1.166 +    @Override
   1.167 +    public T remove(int index) {
   1.168 +        T ret = super.remove(index);
   1.169 +        notifyChange();
   1.170 +        return ret;
   1.171 +    }
   1.172 +
   1.173 +    @Override
   1.174 +    public String toString() {
   1.175 +        Iterator<T> it = iterator();
   1.176 +        if (!it.hasNext()) {
   1.177 +            return "[]";
   1.178 +        }
   1.179 +        String sep = "";
   1.180 +        StringBuilder sb = new StringBuilder();
   1.181 +        sb.append('[');
   1.182 +        while (it.hasNext()) {
   1.183 +            T t = it.next();
   1.184 +            sb.append(sep);
   1.185 +            sb.append(JSON.toJSON(t));
   1.186 +            sep = ",";
   1.187 +        }
   1.188 +        sb.append(']');
   1.189 +        return sb.toString();
   1.190 +    }
   1.191 +
   1.192 +    private void notifyChange() {
   1.193 +        Bindings m = model[0];
   1.194 +        if (m != null) {
   1.195 +            m.valueHasMutated(name);
   1.196 +            for (String dependant : deps) {
   1.197 +                m.valueHasMutated(dependant);
   1.198 +            }
   1.199 +            Runnable r = onchange;
   1.200 +            if (r != null) {
   1.201 +                r.run();
   1.202 +            }
   1.203 +        }
   1.204 +    }
   1.205 +    
   1.206 +    public void cloneAll(BrwsrCtx c, Collection<T> other) {
   1.207 +        Boolean isModel = null;
   1.208 +        for (T t : other) {
   1.209 +            if (isModel == null) {
   1.210 +                isModel = JSON.isModel(t.getClass());
   1.211 +            }
   1.212 +            if (isModel) {
   1.213 +                add(JSON.bindTo(t, c));
   1.214 +            } else {
   1.215 +                add(t);
   1.216 +            }
   1.217 +        }
   1.218 +    }
   1.219 +
   1.220 +    @Override
   1.221 +    public JSONList clone() {
   1.222 +        throw new UnsupportedOperationException();
   1.223 +    }
   1.224 +
   1.225 +    static final Object koData(Collection<?> c, Bindings m) {
   1.226 +        Object[] arr = c.toArray(new Object[c.size()]);
   1.227 +        for (int i = 0; i < arr.length; i++) {
   1.228 +            Object r = WrapperObject.find(arr[i], m);
   1.229 +            if (r != null) {
   1.230 +                arr[i] = r;
   1.231 +            }
   1.232 +        }
   1.233 +        return m.wrapArray(arr);
   1.234 +    }
   1.235 +
   1.236 +    final Object koData() {
   1.237 +        return koData(this, model[0]);
   1.238 +    }
   1.239 +}