elemental.dom.Node Java Examples
The following examples show how to use
elemental.dom.Node.
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Example #1
Source File: AnotherTest.java From vertxui with GNU General Public License v3.0 | 6 votes |
private void printStructure(Element element) { console.log("<" + element.getNodeName()); NamedNodeMap attributes = element.getAttributes(); if (attributes != null) { for (int x = 0; x < attributes.length(); x++) { Node attr = attributes.item(x); console.log(" " + attr.getNodeName() + "=" + attr.getNodeValue()); } } console.log(">"); if (element.getTextContent() != null) { console.log(element.getTextContent()); } NodeList children = element.getChildNodes(); for (int x = 0; x < children.getLength(); x++) { printStructure((Element) children.at(x)); } console.log("</" + element.getNodeName() + ">"); }
Example #2
Source File: Debouncer.java From flow with Apache License 2.0 | 6 votes |
/** * Gets an existing debouncer or creates a new one associated with the given * DOM node, identifier and debounce timeout. * * @param element * the DOM node to which this debouncer is bound * @param identifier * a unique identifier string in the scope of the provided * element * @param debounce * the debounce timeout * @return a debouncer instance */ public static Debouncer getOrCreate(Node element, String identifier, double debounce) { JsMap<String, JsMap<Double, Debouncer>> elementMap = debouncers .get(element); if (elementMap == null) { elementMap = JsCollections.map(); debouncers.set(element, elementMap); } JsMap<Double, Debouncer> identifierMap = elementMap.get(identifier); if (identifierMap == null) { identifierMap = JsCollections.map(); elementMap.set(identifier, identifierMap); } Debouncer debouncer = identifierMap.get(Double.valueOf(debounce)); if (debouncer == null) { debouncer = new Debouncer(element, identifier, debounce); identifierMap.set(Double.valueOf(debounce), debouncer); } return debouncer; }
Example #3
Source File: ClientJsonCodec.java From flow with Apache License 2.0 | 6 votes |
/** * Decodes a value encoded on the server using * {@link JsonCodec#encodeWithTypeInfo(Object)}. * * @param tree * the state tree to use for resolving nodes and elements * @param json * the JSON value to decode * @return the decoded value */ public static Object decodeWithTypeInfo(StateTree tree, JsonValue json) { if (json.getType() == JsonType.ARRAY) { JsonArray array = (JsonArray) json; int typeId = (int) array.getNumber(0); switch (typeId) { case JsonCodec.NODE_TYPE: { int nodeId = (int) array.getNumber(1); Node domNode = tree.getNode(nodeId).getDomNode(); return domNode; } case JsonCodec.ARRAY_TYPE: return jsonArrayAsJsArray(array.getArray(1)); case JsonCodec.RETURN_CHANNEL_TYPE: return createReturnChannelCallback((int) array.getNumber(1), (int) array.getNumber(2), tree.getRegistry().getServerConnector()); default: throw new IllegalArgumentException( "Unsupported complex type in " + array.toJson()); } } else { return decodeWithoutTypeInfo(json); } }
Example #4
Source File: StateTree.java From flow with Apache License 2.0 | 6 votes |
/** * Unregisters all nodes except root from this tree, and clears the root's * features. Use to reset the tree in preparation for rebuilding it in in a * resynchronization response. */ public void prepareForResync() { rootNode.getList(NodeFeatures.VIRTUAL_CHILDREN) .forEach(sn -> clearLists((StateNode) sn)); clearLists(rootNode); idToNode.forEach((node, b) -> { if (node != rootNode) { final Node dom = node.getDomNode(); if (dom != null && ServerEventObject.getIfPresent(dom) != null) { // reject any promise waiting on this node ServerEventObject.getIfPresent(dom).rejectPromises(); } unregisterNode(node); node.setParent(null); } }); }
Example #5
Source File: SimpleElementBindingStrategy.java From flow with Apache License 2.0 | 6 votes |
private void attachShadow(BindingContext context) { NodeMap map = context.node.getMap(NodeFeatures.SHADOW_ROOT_DATA); StateNode shadowRootNode = (StateNode) map .getProperty(NodeProperties.SHADOW_ROOT).getValue(); if (shadowRootNode != null) { NativeFunction function = NativeFunction.create("element", "if ( element.shadowRoot ) { return element.shadowRoot; } " + "else { return element.attachShadow({'mode' : 'open'});}"); Node shadowRoot = (Node) function.call(null, context.htmlNode); if (shadowRootNode.getDomNode() == null) { shadowRootNode.setDomNode(shadowRoot); } BindingContext newContext = new BindingContext(shadowRootNode, shadowRoot, context.binderContext); bindChildren(newContext); } }
Example #6
Source File: ElementUtil.java From flow with Apache License 2.0 | 6 votes |
/** * Searches the shadow root of the given context element for the given id or * searches the light DOM if the element has no shadow root. * * @param context * the container element to search through * @param id * the identifier of the element to search for * @return the element with the given {@code id} if found, otherwise * <code>null</code> */ public static native Element getElementById(Node context, String id) /*-{ if (document.body.$ && document.body.$[id]) { // Exported WCs add their id to body.$ and cannot be found using a real id attribute return document.body.$[id]; } else if (context.shadowRoot) { return context.shadowRoot.getElementById(id); } else if (context.getElementById) { return context.getElementById(id); } else if (id && id.match("^[a-zA-Z0-9-_]*$")) { // No funky characters in id so querySelector can be used directly return context.querySelector("#" + id); } else { // Find all elements with an id attribute and filter out the correct one return Array.from(context.querySelectorAll('[id]')).find(function(e) {return e.id == id}); } }-*/;
Example #7
Source File: PolymerUtils.java From flow with Apache License 2.0 | 6 votes |
/** * Gets the custom element using {@code path} of indices starting from the * {@code root}. * * @param root * the root element to start from * @param path * the indices path identifying the custom element. * @return the element inside the {@code root} by the path of indices */ public static Element getCustomElement(Node root, JsonArray path) { Node current = root; for (int i = 0; i < path.length(); i++) { JsonValue value = path.get(i); current = getChildIgnoringStyles(current, (int) value.asNumber()); } if (current instanceof Element) { return (Element) current; } else if (current == null) { Console.warn( "There is no element addressed by the path '" + path + "'"); } else { Console.warn("The node addressed by path " + path + " is not an Element"); } return null; }
Example #8
Source File: GwtEventHandlerTest.java From flow with Apache License 2.0 | 6 votes |
/** * Add get functionality to element if not defined. Add the key value pair * to property object or create object if not available. * * @param node * Target node * @param property * Property name of object * @param key * Key to add to property object * @param value * value to add */ private native void setNodeProperty(Node node, String property, String key, String value) /*-{ if(typeof(node.get) !== 'function') { node.get = function(propertyName) { return this[propertyName]; } } var propertyValue = node.get(property); if(typeof(property) !== 'object') { node[property] = {}; // If a number add as a number not as a string. if(parseInt(value) !== NaN){ node[property][key] = parseInt(value); } else { node[property][key] = value; } } else { propertyValue.key = value; } }-*/;
Example #9
Source File: DomApiAbstractionUsageTest.java From flow with Apache License 2.0 | 6 votes |
private static void verifyMethod(String callingMethod, String targetClassName, String targetMethod) { // Won't care about overhead of loading all // classes since this is just a test Class<?> targetClass = getClass(targetClassName); if (!Node.class.isAssignableFrom(targetClass)) { return; } if (ignoredElementalClasses.contains(targetClass)) { return; } if ((Element.class == targetClass || Node.class == targetClass) && ignoredElementMethods.contains(targetMethod)) { return; } Assert.fail(callingMethod + " calls " + targetClass.getName() + "." + targetMethod); }
Example #10
Source File: PolymerUtils.java From flow with Apache License 2.0 | 6 votes |
private static Node getChildIgnoringStyles(Node parent, int index) { HTMLCollection children = DomApi.wrap(parent).getChildren(); int filteredIndex = -1; for (int i = 0; i < children.getLength(); i++) { Node next = children.item(i); assert next instanceof Element : "Unexpected element type in the collection of children. " + "DomElement::getChildren is supposed to return Element chidren only, but got " + next.getClass(); Element element = (Element) next; if (!"style".equalsIgnoreCase(element.getTagName())) { filteredIndex++; } if (filteredIndex == index) { return next; } } return null; }
Example #11
Source File: SimpleElementBindingStrategy.java From flow with Apache License 2.0 | 5 votes |
private void doBind(StateNode node, BinderContext nodeFactory) { Node domNode = node.getDomNode(); // this will fire an event which gives a chance to run logic which // needs to know when the element is completely initialized node.setDomNode(null); node.setDomNode(domNode); nodeFactory.createAndBind(node); }
Example #12
Source File: ServerEventObject.java From flow with Apache License 2.0 | 5 votes |
private native JsonObject getPolymerPropertyObject(Node node, String propertyName) /*-{ if (typeof(node.get) === 'function') { var polymerProperty = node.get(propertyName); if (typeof(polymerProperty) === 'object' && typeof(polymerProperty["nodeId"]) !== 'undefined') { return { nodeId: polymerProperty["nodeId"] }; } } return null; }-*/;
Example #13
Source File: Renderer.java From vertxui with GNU General Public License v3.0 | 5 votes |
private static <T, V> void compareApplyRemove(Node element, T name, V value, What what) { // Fluent.console.log("removing " + name + " with " + value); switch (what) { case Attributes: switch ((Att) name) { case checked: ((InputElement) element).setChecked(false); break; case value: ((InputElement) element).setValue(null); break; case selectedIndex: // nothing to do // ((SelectElement) element).); break; default: ((Element) element).removeAttribute(((Att) name).nameValid()); break; } break; case Styles: ((Element) element).getStyle().removeProperty(((Css) name).nameValid()); break; case Listeners: element.removeEventListener((String) name, (EventListener) value); break; default: throw new IllegalArgumentException("Not possible"); } }
Example #14
Source File: SimpleElementBindingStrategy.java From flow with Apache License 2.0 | 5 votes |
private static boolean resolveDebounces(Node element, String debouncerId, JsonArray debounceList, Consumer<String> command) { boolean atLeastOneEager = false; for (int i = 0; i < debounceList.length(); i++) { // [timeout, phase1, phase2, ...] JsonArray debounceSettings = debounceList.getArray(i); double timeout = debounceSettings.getNumber(0); if (timeout == 0) { atLeastOneEager = true; continue; } JsSet<String> phases = JsCollections.set(); for (int j = 1; j < debounceSettings.length(); j++) { phases.add(debounceSettings.getString(j)); } boolean eager = Debouncer.getOrCreate(element, debouncerId, timeout) .trigger(phases, command); atLeastOneEager |= eager; } return atLeastOneEager; }
Example #15
Source File: SimpleElementBindingStrategy.java From flow with Apache License 2.0 | 5 votes |
private static boolean resolveFilters(Node element, String eventType, JsonObject expressionSettings, JsonObject eventData, Consumer<String> sendCommand) { boolean noFilters = true; boolean atLeastOneFilterMatched = false; for (String expression : expressionSettings.keys()) { JsonValue settings = expressionSettings.get(expression); boolean hasDebounce = settings.getType() == JsonType.ARRAY; if (!hasDebounce && !settings.asBoolean()) { continue; } noFilters = false; boolean filterMatched = eventData != null && eventData.getBoolean(expression); if (hasDebounce && filterMatched) { String debouncerId = "on-" + eventType + ":" + expression; // Count as a match only if at least one debounce is eager filterMatched = resolveDebounces(element, debouncerId, (JsonArray) settings, sendCommand); } atLeastOneFilterMatched |= filterMatched; } return noFilters || atLeastOneFilterMatched; }
Example #16
Source File: SimpleElementBindingStrategy.java From flow with Apache License 2.0 | 5 votes |
private static Node getFirstNodeMappedAsStateNode( NodeList mappedNodeChildren, Node htmlNode) { JsArray<Node> clientList = DomApi.wrap(htmlNode).getChildNodes(); for (int i = 0; i < clientList.length(); i++) { Node clientNode = clientList.get(i); for (int j = 0; j < mappedNodeChildren.length(); j++) { StateNode stateNode = (StateNode) mappedNodeChildren.get(j); if (clientNode.equals(stateNode.getDomNode())) { return clientNode; } } } return null; }
Example #17
Source File: StateNode.java From flow with Apache License 2.0 | 5 votes |
/** * Sets the DOM node associated with this state node. * * @param node * the associated DOM node */ public void setDomNode(Node node) { assert domNode == null || node == null : "StateNode already has a DOM node"; domNode = node; JsSet<Function<StateNode, Boolean>> copy = JsCollections .set(domNodeSetListeners); copy.forEach(listener -> { if (listener.apply(this) == Boolean.TRUE) { domNodeSetListeners.delete(listener); } }); }
Example #18
Source File: Renderer.java From vertxui with GNU General Public License v3.0 | 5 votes |
private static <T, V> void compareApplySet(Node element, T name, V value, What what) { // Fluent.console.log("setting " + name + " with " + value); switch (what) { case Attributes: switch ((Att) name) { case checked: ((InputElement) element).setChecked(true); break; case value: ((InputElement) element).setValue((String) value); break; case selectedIndex: ((SelectElement) element).setSelectedIndex(Integer.parseInt((String) value)); default: ((Element) element).setAttribute(((Att) name).nameValid(), (String) value); break; } break; case Styles: ((Element) element).getStyle().setProperty(((Css) name).nameValid(), (String) value); break; case Listeners: element.addEventListener((String) name, (EventListener) value); break; default: throw new IllegalArgumentException("Not possible"); } }
Example #19
Source File: SimpleElementBindingStrategy.java From flow with Apache License 2.0 | 5 votes |
private EventRemover bindChildren(BindingContext context) { NodeList children = context.node.getList(NodeFeatures.ELEMENT_CHILDREN); if (children.hasBeenCleared()) { removeAllChildren(context.htmlNode); } for (int i = 0; i < children.length(); i++) { StateNode childNode = (StateNode) children.get(i); ExistingElementMap existingElementMap = childNode.getTree() .getRegistry().getExistingElementMap(); Node child = existingElementMap.getElement(childNode.getId()); if (child != null) { existingElementMap.remove(childNode.getId()); childNode.setDomNode(child); context.binderContext.createAndBind(childNode); } else { child = context.binderContext.createAndBind(childNode); DomApi.wrap(context.htmlNode).appendChild(child); } } return children.addSpliceListener(e -> { /* * Handle lazily so we can create the children we need to insert. * The change that gives a child node an element tag name might not * yet have been applied at this point. */ Reactive.addFlushListener(() -> handleChildrenSplice(e, context)); }); }
Example #20
Source File: Binder.java From flow with Apache License 2.0 | 5 votes |
/** * Bind the {@code domNode} to the {@code stateNode}. * * @param stateNode * the state node * @param domNode * the DOM node to bind, not {@code null} */ @SuppressWarnings({ "rawtypes", "unchecked" }) public static void bind(StateNode stateNode, Node domNode) { assert !stateNode.getTree() .isUpdateInProgress() : "Binding state node while processing state tree changes"; BindingStrategy applicable = getApplicableStrategy(stateNode); applicable.bind(stateNode, domNode, CONTEXT); }
Example #21
Source File: PolymerUtils.java From flow with Apache License 2.0 | 5 votes |
/** * Store the StateNode.id into the polymer property under 'nodeId' * * @param domNode * polymer dom node * @param id * id of a state node * @param path * polymer model path to property */ public static native void storeNodeId(Node domNode, int id, String path) /*-{ if (typeof(domNode.get) !== 'undefined') { var polymerProperty = domNode.get(path); if (typeof(polymerProperty) === 'object' && polymerProperty["nodeId"] === undefined) { polymerProperty["nodeId"] = id; } } }-*/;
Example #22
Source File: Binder.java From flow with Apache License 2.0 | 5 votes |
@Override public Node createAndBind(StateNode stateNode) { BindingStrategy<?> strategy = getApplicableStrategy(stateNode); Node node = stateNode.getDomNode(); if (stateNode.getDomNode() == null) { node = strategy.create(stateNode); assert node != null; stateNode.setDomNode(node); } bind(stateNode, node); return node; }
Example #23
Source File: MessageHandler.java From flow with Apache License 2.0 | 4 votes |
private native void callAfterServerUpdates(Node node) /*-{ if ( node && node.afterServerUpdate ) { node.afterServerUpdate(); } }-*/;
Example #24
Source File: PolymerDomApiImpl.java From flow with Apache License 2.0 | 4 votes |
@Override public DomElement wrap(Node node) { return getPolymer().dom(node); }
Example #25
Source File: Debouncer.java From flow with Apache License 2.0 | 4 votes |
private Debouncer(Node element, String identifier, double timeout) { this.element = element; this.identifier = identifier; this.timeout = timeout; }
Example #26
Source File: SimpleElementBindingStrategy.java From flow with Apache License 2.0 | 4 votes |
private void addChildren(int index, BindingContext context, JsArray<?> add) { NodeList nodeChildren = context.node .getList(NodeFeatures.ELEMENT_CHILDREN); Node beforeRef; if (index == 0) { // Insert at the first position after the client-side-only nodes beforeRef = getFirstNodeMappedAsStateNode(nodeChildren, context.htmlNode); } else if (index <= nodeChildren.length() && index > 0) { StateNode previousSibling = getPreviousSibling(index, context); // Insert before the next sibling of the current node beforeRef = previousSibling == null ? null : DomApi.wrap(previousSibling.getDomNode()) .getNextSibling(); } else { // Insert at the end beforeRef = null; } for (int i = 0; i < add.length(); i++) { Object newChildObject = add.get(i); StateNode newChild = (StateNode) newChildObject; ExistingElementMap existingElementMap = newChild.getTree() .getRegistry().getExistingElementMap(); Node childNode = existingElementMap.getElement(newChild.getId()); if (childNode != null) { existingElementMap.remove(newChild.getId()); newChild.setDomNode(childNode); context.binderContext.createAndBind(newChild); } else { childNode = context.binderContext.createAndBind(newChild); DomApi.wrap(context.htmlNode).insertBefore(childNode, beforeRef); } beforeRef = DomApi.wrap(childNode).getNextSibling(); } }
Example #27
Source File: Renderer.java From vertxui with GNU General Public License v3.0 | 4 votes |
private static <K extends Comparable<K>, V> void compareApply(Node element, TreeMap<K, V> treeNew, TreeMap<K, V> treeOld, K[] empty, What what) { K[] keysNew = (treeNew == null) ? empty : treeNew.keySet().toArray(empty); K[] keysOld = (treeOld == null) ? empty : treeOld.keySet().toArray(empty); // console.log("---START compareAttributes() kNew=" + kNew.length + " // kOld=" + kOld.length); int countNew = 0, countOld = 0; // avoiding creating new sets (guava, removeAll etc) and minimizing // lookups (.get) while (countNew < keysNew.length || countOld < keysOld.length) { K keyNew = null; if (treeNew != null && countNew < keysNew.length) { keyNew = keysNew[countNew]; countNew++; } K keyOld = null; if (treeOld != null && countOld < keysOld.length) { keyOld = keysOld[countOld]; countOld++; } if (keyNew != null && keyOld == null) { // console.log("setting attribute: " + attNew.nameValid() + "," // + treeNew.get(attNew)); if (element != null) { compareApplySet(element, keyNew, treeNew.get(keyNew), what); } } else if (keyNew == null && keyOld != null) { // console.log("removing attribute: " + attOld.nameValid()); if (element != null) { compareApplyRemove(element, keyOld, treeOld.get(keyOld), what); } // } else if (nAtt == null && oAtt == null) { // throw new IllegalArgumentException("both can not be null n=" // + n + " o=" + o); } else { // both attributes must have a value here int compare = keyNew.compareTo(keyOld); // console.log("comparing "+attNew+" "+attOld); if (compare == 0) { // same keys V oldValue = treeOld.get(keyOld); V newValue = treeNew.get(keyNew); if (!compareApplyValueEquals(oldValue, newValue)) { // key // same, // other // value // console.log( // "changing value for " + attNew.nameValid() + " old=" // + oldValue + " new=" + newValue); if (element != null) { compareApplyRemove(element, keyNew, oldValue, what); compareApplySet(element, keyNew, newValue, what); } // } else { // console.log("no change " + attNew.nameValid() + " // value=" + oldValue); } } else if (compare < 0) { if (element != null) { compareApplySet(element, keyNew, treeNew.get(keyNew), what); } // console.log(" setting " + attNew.nameValid()); countOld--; } else { // compare>0 // console.log(" removing " + attOld.nameValid()); if (element != null) { compareApplyRemove(element, keyOld, treeOld.get(keyOld), what); } countNew--; } } } }
Example #28
Source File: ExecuteJavaScriptElementUtils.java From flow with Apache License 2.0 | 4 votes |
private static boolean hasTag(Node node, String tag) { return node instanceof Element && tag.equalsIgnoreCase(((Element) node).getTagName()); }
Example #29
Source File: ExecuteJavaScriptElementUtils.java From flow with Apache License 2.0 | 4 votes |
private static native boolean isPropertyDefined(Node node, String property) /*-{ return !!(node["constructor"] && node["constructor"]["properties"] && node["constructor"]["properties"][property]) && (typeof(node["constructor"]["properties"][property]["value"]) != "undefined"); }-*/;
Example #30
Source File: ApplicationConnection.java From flow with Apache License 2.0 | 4 votes |
private Node getDomElementByNodeId(int id) { StateNode node = registry.getStateTree().getNode(id); return node == null ? null : node.getDomNode(); }