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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.BatchInit<Object>, Technology.ValueMutated<Object>, Technology.ApplyId<Object> {
61 private Object[] jsObjects;
68 public Object wrapModel(Object model, PropertyBinding[] propArr, FunctionBinding[] funcArr) {
69 String[] propNames = new String[propArr.length];
70 boolean[] propReadOnly = new boolean[propArr.length];
71 Object[] propValues = new Object[propArr.length];
72 for (int i = 0; i < propNames.length; i++) {
73 propNames[i] = propArr[i].getPropertyName();
74 propReadOnly[i] = propArr[i].isReadOnly();
75 propValues[i] = propArr[i].getValue();
77 String[] funcNames = new String[funcArr.length];
78 for (int i = 0; i < funcNames.length; i++) {
79 funcNames[i] = funcArr[i].getFunctionName();
81 Object ret = getJSObject();
82 new Knockout(model, ret, propArr, funcArr).wrapModel(
84 propNames, propReadOnly, propValues,
90 private Object getJSObject() {
92 if (jsObjects != null && jsIndex < (len = jsObjects.length)) {
93 Object ret = jsObjects[jsIndex];
94 jsObjects[jsIndex] = null;
98 jsObjects = Knockout.allocJS(len * 2);
100 Object ret = jsObjects[0];
106 public Object wrapModel(Object model) {
107 throw new UnsupportedOperationException();
111 public void bind(PropertyBinding b, Object model, Object data) {
112 throw new UnsupportedOperationException();
116 public void valueHasMutated(Object data, String propertyName) {
118 Knockout.valueHasMutated(data, propertyName, null, null);
122 public void valueHasMutated(Object data, String propertyName, Object oldValue, Object newValue) {
124 Knockout.valueHasMutated(data, propertyName, oldValue, newValue);
128 public void expose(FunctionBinding fb, Object model, Object d) {
129 throw new UnsupportedOperationException();
133 public void applyBindings(Object data) {
134 applyBindings(null, data);
137 public void applyBindings(String id, Object data) {
138 Object ko = Knockout.applyBindings(id, data);
139 if (ko instanceof Knockout) {
140 ((Knockout)ko).hold();
145 public Object wrapArray(Object[] arr) {
150 public void runSafe(final Runnable r) {
151 LOG.warning("Technology.runSafe has been deprecated. Use BrwsrCtx.execute!");
156 public <M> M toModel(Class<M> modelClass, Object data) {
157 return modelClass.cast(Knockout.toModel(data));