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

Example 6 with NodeList

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

the class GwtTreeChangeProcessorTest method testPrimitiveSplice.

public void testPrimitiveSplice() {
    StateTree tree = new StateTree(null);
    StateNode root = tree.getRootNode();
    int nsId = 1;
    JsonObject change = Json.createObject();
    change.put(JsonConstants.CHANGE_TYPE, JsonConstants.CHANGE_TYPE_SPLICE);
    change.put(JsonConstants.CHANGE_NODE, root.getId());
    change.put(JsonConstants.CHANGE_FEATURE, nsId);
    change.put(JsonConstants.CHANGE_SPLICE_INDEX, 0);
    JsonArray add = Json.createArray();
    add.set(0, "value");
    change.put(JsonConstants.CHANGE_SPLICE_ADD, add);
    TreeChangeProcessor.processChange(tree, change);
    NodeList list = root.getList(nsId);
    assertEquals(1, list.length());
    assertEquals("value", list.get(0));
}

Example 7 with NodeList

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

the class StateNodeTest method testGetListFeature.

@Test
public void testGetListFeature() {
    NodeList list = node.getList(1);
    Assert.assertEquals(1, list.getId());
    List<NodeFeature> features = collectFeatures();
    Assert.assertEquals(Arrays.asList(list), features);
    NodeList anotherList = node.getList(1);
    Assert.assertSame(anotherList, list);
    Assert.assertEquals(features, collectFeatures());
}

Example 8 with NodeList

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

the class SimpleElementBindingStrategy method verifyAttachedElement.

private boolean verifyAttachedElement(Element element, StateNode attachNode, String id, String address, BindingContext context) {
    StateNode node = context.node;
    String tag = getTag(attachNode);
    boolean failure = false;
    if (element == null) {
        failure = true;
        Console.warn(ELEMENT_ATTACH_ERROR_PREFIX + address + " is not found. The requested tag name is '" + tag + "'");
    } else if (!ElementUtil.hasTag(element, tag)) {
        failure = true;
        Console.warn(ELEMENT_ATTACH_ERROR_PREFIX + address + " has the wrong tag name '" + element.getTagName() + "', the requested tag name is '" + tag + "'");
    }
    if (failure) {
        node.getTree().sendExistingElementWithIdAttachToServer(node, attachNode.getId(), -1, id);
        return false;
    }
    if (!node.hasFeature(NodeFeatures.SHADOW_ROOT_DATA)) {
        return true;
    }
    NodeMap map = node.getMap(NodeFeatures.SHADOW_ROOT_DATA);
    StateNode shadowRootNode = (StateNode) map.getProperty(NodeProperties.SHADOW_ROOT).getValue();
    if (shadowRootNode == null) {
        return true;
    }
    NodeList list = shadowRootNode.getList(NodeFeatures.ELEMENT_CHILDREN);
    Integer existingId = null;
    for (int i = 0; i < list.length(); i++) {
        StateNode stateNode = (StateNode) list.get(i);
        Node domNode = stateNode.getDomNode();
        if (domNode.equals(element)) {
            existingId = stateNode.getId();
            break;
        }
    }
    if (existingId != null) {
        Console.warn(ELEMENT_ATTACH_ERROR_PREFIX + address + " has been already attached previously via the node id='" + existingId + "'");
        node.getTree().sendExistingElementWithIdAttachToServer(node, attachNode.getId(), existingId, id);
        return false;
    }
    return true;
}

Example 9 with NodeList

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

the class SimpleElementBindingStrategy method bindClassList.

private EventRemover bindClassList(Element element, StateNode node) {
    NodeList classNodeList = node.getList(NodeFeatures.CLASS_LIST);
    for (int i = 0; i < classNodeList.length(); i++) {
        DomApi.wrap(element).getClassList().add((String) classNodeList.get(i));
    }
    return classNodeList.addSpliceListener(e -> {
        DomTokenList classList = DomApi.wrap(element).getClassList();
        JsArray<?> remove = e.getRemove();
        for (int i = 0; i < remove.length(); i++) {
            classList.remove((String) remove.get(i));
        }
        JsArray<?> add = e.getAdd();
        for (int i = 0; i < add.length(); i++) {
            classList.add((String) add.get(i));
        }
    });
}

Example 10 with NodeList

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

the class SimpleElementBindingStrategy method getPreviousSibling.

private StateNode getPreviousSibling(int index, BindingContext context) {
    NodeList nodeChildren = context.node.getList(NodeFeatures.ELEMENT_CHILDREN);
    int count = 0;
    StateNode node = null;
    for (int i = 0; i < nodeChildren.length(); i++) {
        if (count == index) {
            return node;
        }
        StateNode child = (StateNode) nodeChildren.get(i);
        if (child.getDomNode() != null) {
            node = child;
            count++;
        }
    }
    return node;
}