#258088: Non-mutable values aren't wrapped into ko.observable, but rather stored as primitive values
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43 package org.netbeans.html.ko4j;
45 import org.netbeans.html.context.spi.Contexts;
46 import org.netbeans.html.json.spi.FunctionBinding;
47 import org.netbeans.html.json.spi.PropertyBinding;
48 import org.netbeans.html.json.spi.Technology;
49 import static org.netbeans.html.ko4j.KO4J.LOG;
51 /** This is an implementation package - just
52 * include its JAR on classpath and use official {@link Context} API
53 * to access the functionality.
56 * @author Jaroslav Tulach
60 implements Technology.BatchCopy<Object>, Technology.ValueMutated<Object>, Technology.ApplyId<Object> {
61 private Object[] jsObjects;
68 public Object wrapModel(Object model, Object copyFrom, PropertyBinding[] propArr, FunctionBinding[] funcArr) {
69 return createKO(model, copyFrom, propArr, funcArr, null);
72 final Object createKO(Object model, Object copyFrom, PropertyBinding[] propArr, FunctionBinding[] funcArr, Knockout[] ko) {
73 String[] propNames = new String[propArr.length];
74 Boolean[] propReadOnly = new Boolean[propArr.length];
75 Boolean[] propConstant = new Boolean[propArr.length];
76 Object[] propValues = new Object[propArr.length];
77 for (int i = 0; i < propNames.length; i++) {
78 propNames[i] = propArr[i].getPropertyName();
79 propReadOnly[i] = propArr[i].isReadOnly();
80 propConstant[i] = propArr[i].isConstant();
81 Object value = propArr[i].getValue();
82 if (value instanceof Enum) {
83 value = value.toString();
85 propValues[i] = value;
87 String[] funcNames = new String[funcArr.length];
88 for (int i = 0; i < funcNames.length; i++) {
89 funcNames[i] = funcArr[i].getFunctionName();
91 Object ret = getJSObject();
92 Knockout newKO = new Knockout(model, ret, propArr, funcArr);
98 propNames, propReadOnly, propConstant, propValues,
104 private Object getJSObject() {
106 if (jsObjects != null && jsIndex < (len = jsObjects.length)) {
107 Object ret = jsObjects[jsIndex];
108 jsObjects[jsIndex] = null;
112 jsObjects = Knockout.allocJS(len * 2);
114 Object ret = jsObjects[0];
120 public Object wrapModel(Object model) {
121 throw new UnsupportedOperationException();
125 public void bind(PropertyBinding b, Object model, Object data) {
126 throw new UnsupportedOperationException();
130 public void valueHasMutated(Object data, String propertyName) {
132 Knockout.valueHasMutated(data, propertyName, null, null);
136 public void valueHasMutated(Object data, String propertyName, Object oldValue, Object newValue) {
138 if (newValue instanceof Enum) {
139 newValue = newValue.toString();
141 Knockout.valueHasMutated(data, propertyName, oldValue, newValue);
145 public void expose(FunctionBinding fb, Object model, Object d) {
146 throw new UnsupportedOperationException();
150 public void applyBindings(Object data) {
151 applyBindings(null, data);
154 public void applyBindings(String id, Object data) {
155 Object ko = Knockout.applyBindings(id, data);
156 if (ko instanceof Knockout) {
157 ((Knockout)ko).hold();
162 public Object wrapArray(Object[] arr) {
167 public void runSafe(final Runnable r) {
168 LOG.warning("Technology.runSafe has been deprecated. Use BrwsrCtx.execute!");
173 public <M> M toModel(Class<M> modelClass, Object data) {
174 return modelClass.cast(Knockout.toModel(data));