Examples with JsonValue elemental.json.JsonValue used on opensource projects

Example 81 with JsonValue

use of elemental.json.JsonValue in project flow by vaadin.

the class MessageSender method send.

/**
 * Makes an UIDL request to the server.
 *
 * @param reqInvocations
 *            Data containing RPC invocations and all related information.
 * @param extraJson
 *            Parameters that are added to the payload
 */
protected void send(final JsonArray reqInvocations, final JsonObject extraJson) {
    registry.getRequestResponseTracker().startRequest();
    JsonObject payload = Json.createObject();
    String csrfToken = registry.getMessageHandler().getCsrfToken();
    if (!csrfToken.equals(ApplicationConstants.CSRF_TOKEN_DEFAULT_VALUE)) {
        payload.put(ApplicationConstants.CSRF_TOKEN, csrfToken);
    }
    payload.put(ApplicationConstants.RPC_INVOCATIONS, reqInvocations);
    payload.put(ApplicationConstants.SERVER_SYNC_ID, registry.getMessageHandler().getLastSeenServerSyncId());
    payload.put(ApplicationConstants.CLIENT_TO_SERVER_ID, clientToServerMessageId++);
    if (extraJson != null) {
        for (String key : extraJson.keys()) {
            JsonValue value = extraJson.get(key);
            payload.put(key, value);
        }
    }
    send(payload);
}

Example 82 with JsonValue

use of elemental.json.JsonValue in project flow by vaadin.

the class ExecuteJavaScriptProcessor method handleInvocation.

private void handleInvocation(JsonArray invocation) {
    StateTree tree = registry.getStateTree();
    // Last item is the script, the rest is parameters
    int parameterCount = invocation.length() - 1;
    String[] parameterNamesAndCode = new String[parameterCount + 1];
    JsArray<Object> parameters = JsCollections.array();
    JsMap<Object, StateNode> map = JsCollections.map();
    for (int i = 0; i < parameterCount; i++) {
        JsonValue parameterJson = invocation.get(i);
        Object parameter = ClientJsonCodec.decodeWithTypeInfo(tree, parameterJson);
        parameters.push(parameter);
        parameterNamesAndCode[i] = "$" + i;
        StateNode stateNode = ClientJsonCodec.decodeStateNode(tree, parameterJson);
        if (stateNode != null) {
            if (isVirtualChildAwaitingInitialization(stateNode) || !isBound(stateNode)) {
                stateNode.addDomNodeSetListener(node -> {
                    Reactive.addPostFlushListener(() -> handleInvocation(invocation));
                    return true;
                });
                return;
            }
            map.set(parameter, stateNode);
        }
    }
    // Set the script source as the last parameter
    String expression = invocation.getString(invocation.length() - 1);
    parameterNamesAndCode[parameterNamesAndCode.length - 1] = expression;
    invoke(parameterNamesAndCode, parameters, map);
}

Example 83 with JsonValue

use of elemental.json.JsonValue in project flow by vaadin.

the class StateNode method getDebugJson.

/**
 * Gets a JSON object representing the contents of this node. Only intended
 * for debugging purposes.
 *
 * @return a JSON representation
 */
public JsonObject getDebugJson() {
    JsonObject object = WidgetUtil.createJsonObjectWithoutPrototype();
    forEachFeature((feature, featureId) -> {
        JsonValue json = feature.getDebugJson();
        if (json != null) {
            object.put(tree.getFeatureDebugName(featureId.intValue()), json);
        }
    });
    return object;
}

Example 84 with JsonValue

use of elemental.json.JsonValue in project flow by vaadin.

the class TreeChangeProcessor method processPutChange.

private static void processPutChange(JsonObject change, StateNode node) {
    MapProperty property = findProperty(change, node);
    if (change.hasKey(JsonConstants.CHANGE_PUT_VALUE)) {
        JsonValue jsonValue = change.get(JsonConstants.CHANGE_PUT_VALUE);
        Object value = ClientJsonCodec.decodeWithoutTypeInfo(jsonValue);
        property.setValue(value);
    } else if (change.hasKey(JsonConstants.CHANGE_PUT_NODE_VALUE)) {
        int childId = (int) change.getNumber(JsonConstants.CHANGE_PUT_NODE_VALUE);
        StateNode child = node.getTree().getNode(childId);
        assert child != null;
        child.setParent(node);
        property.setValue(child);
    } else {
        assert false : "Change should have either value or nodeValue property: " + WidgetUtil.stringify(change);
    }
}

Example 85 with JsonValue

use of elemental.json.JsonValue in project flow by vaadin.

the class SimpleElementBindingStrategy method handleDomEvent.

private void handleDomEvent(Event event, Node element, StateNode node) {
    assert element instanceof Element : "Cannot handle DOM event for a Node";
    String type = event.getType();
    NodeMap listenerMap = getDomEventListenerMap(node);
    ConstantPool constantPool = node.getTree().getRegistry().getConstantPool();
    String expressionConstantKey = (String) listenerMap.getProperty(type).getValue();
    assert expressionConstantKey != null;
    assert constantPool.has(expressionConstantKey);
    JsArray<String> dataExpressions = constantPool.get(expressionConstantKey);
    JsonObject eventData;
    if (dataExpressions.isEmpty()) {
        eventData = null;
    } else {
        eventData = Json.createObject();
        for (int i = 0; i < dataExpressions.length(); i++) {
            String expressionString = dataExpressions.get(i);
            EventDataExpression expression = getOrCreateExpression(expressionString);
            JsonValue expressionValue = expression.evaluate(event, (Element) element);
            eventData.put(expressionString, expressionValue);
        }
    }
    node.getTree().sendEventToServer(node, type, eventData);
}