Examples with NodeMap com.vaadin.client.flow.nodefeature.NodeMap used on opensource projects

Example 51 with NodeMap

use of com.vaadin.client.flow.nodefeature.NodeMap in project flow by vaadin.

the class TreeChangeProcessor method findProperty.

private static MapProperty findProperty(JsonObject change, StateNode node) {
    int nsId = (int) change.getNumber(JsonConstants.CHANGE_FEATURE);
    NodeMap map = node.getMap(nsId);
    String key = change.getString(JsonConstants.CHANGE_MAP_KEY);
    return map.getProperty(key);
}

Example 52 with NodeMap

use of com.vaadin.client.flow.nodefeature.NodeMap in project flow by vaadin.

the class SimpleElementBindingStrategy method handleDomEvent.

private void handleDomEvent(Event event, BindingContext context) {
    assert context != null;
    Node element = context.htmlNode;
    StateNode node = context.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);
    JsonObject expressionSettings = constantPool.get(expressionConstantKey);
    String[] expressions = expressionSettings.keys();
    JsonObject eventData;
    JsSet<String> synchronizeProperties = JsCollections.set();
    if (expressions.length == 0) {
        eventData = null;
    } else {
        eventData = Json.createObject();
    }
    for (String expressionString : expressions) {
        if (expressionString.startsWith(JsonConstants.SYNCHRONIZE_PROPERTY_TOKEN)) {
            String property = expressionString.substring(JsonConstants.SYNCHRONIZE_PROPERTY_TOKEN.length());
            synchronizeProperties.add(property);
        } else if (expressionString.equals(JsonConstants.MAP_STATE_NODE_EVENT_DATA)) {
            // map event.target to the closest state node
            int targetNodeId = getClosestStateNodeIdToEventTarget(node, event.getTarget());
            eventData.put(JsonConstants.MAP_STATE_NODE_EVENT_DATA, targetNodeId);
        } else if (expressionString.startsWith(JsonConstants.MAP_STATE_NODE_EVENT_DATA)) {
            // map element returned by JS to the closest state node
            String jsEvaluation = expressionString.substring(JsonConstants.MAP_STATE_NODE_EVENT_DATA.length());
            EventExpression expression = getOrCreateExpression(jsEvaluation);
            JsonValue expressionValue = expression.evaluate(event, (Element) element);
            // find the closest state node matching the expression value
            int targetNodeId = getClosestStateNodeIdToDomNode(node.getTree(), expressionValue, jsEvaluation);
            eventData.put(expressionString, targetNodeId);
        } else {
            EventExpression expression = getOrCreateExpression(expressionString);
            JsonValue expressionValue = expression.evaluate(event, (Element) element);
            eventData.put(expressionString, expressionValue);
        }
    }
    JsArray<Runnable> commands = JsCollections.array();
    synchronizeProperties.forEach(name -> commands.push(getSyncPropertyCommand(name, context)));
    Consumer<String> sendCommand = debouncePhase -> {
        commands.forEach(Runnable::run);
        sendEventToServer(node, type, eventData, debouncePhase);
    };
    boolean sendNow = resolveFilters(element, type, expressionSettings, eventData, sendCommand);
    if (sendNow) {
        // Send if there were not filters or at least one matched
        sendCommand.accept(null);
    }
}

Example 53 with NodeMap

use of com.vaadin.client.flow.nodefeature.NodeMap in project flow by vaadin.

the class GwtExecuteJavaScriptElementUtilsTest method testPopulateModelProperties_propertyIsNotDefined_addIntoPropertiesMap.

public void testPopulateModelProperties_propertyIsNotDefined_addIntoPropertiesMap() {
    ExecuteJavaScriptElementUtils.populateModelProperties(node, JsCollections.array("foo"));
    NodeMap map = node.getMap(NodeFeatures.ELEMENT_PROPERTIES);
    assertTrue(map.hasPropertyValue("foo"));
}

Example 54 with NodeMap

use of com.vaadin.client.flow.nodefeature.NodeMap in project flow by vaadin.

the class GwtExecuteJavaScriptElementUtilsTest method testPopulateModelProperties_elementIsNotReadyAndPropertyIsDefined_syncToServerWhenElementBecomesReady.

public void testPopulateModelProperties_elementIsNotReadyAndPropertyIsDefined_syncToServerWhenElementBecomesReady() {
    node.setDomNode(null);
    mockWhenDefined(element);
    defineProperty(element, "foo");
    node.setNodeData(new UpdatableModelProperties(JsCollections.array("foo")));
    WidgetUtil.setJsProperty(element, "foo", "bar");
    ExecuteJavaScriptElementUtils.populateModelProperties(node, JsCollections.array("foo"));
    NodeMap map = node.getMap(NodeFeatures.ELEMENT_PROPERTIES);
    assertFalse(map.hasPropertyValue("foo"));
    node.setDomNode(element);
    runWhenDefined(element);
    Reactive.flush();
    assertTrue(map.hasPropertyValue("foo"));
    assertEquals("bar", tree.syncedProperty.getValue());
    assertEquals("foo", tree.syncedProperty.getName());
}

Example 55 with NodeMap

use of com.vaadin.client.flow.nodefeature.NodeMap in project flow by vaadin.

the class GwtExecuteJavaScriptElementUtilsTest method setupShadowRoot.

private void setupShadowRoot() {
    setupParent(element);
    NodeMap map = node.getMap(NodeFeatures.SHADOW_ROOT_DATA);
    map.getProperty(NodeProperties.SHADOW_ROOT).setValue(new StateNode(34, tree));
}