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171 lines (147 loc) · 4.85 KB
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import {isPresent} from 'angular2/src/facade/lang';
import {Predicate} from 'angular2/src/facade/collection';
import {Injector} from 'angular2/src/core/di';
import {ListWrapper, MapWrapper} from 'angular2/src/facade/collection';
import {RenderDebugInfo} from 'angular2/src/core/render/api';
export class EventListener { constructor(public name: string, public callback: Function){}; }
export class DebugNode {
nativeNode: any;
listeners: EventListener[];
parent: DebugElement;
providerTokens: any[];
locals: Map<string, any>;
injector: Injector;
componentInstance: any;
constructor(nativeNode: any, parent: DebugNode) {
this.nativeNode = nativeNode;
if (isPresent(parent) && parent instanceof DebugElement) {
parent.addChild(this);
} else {
this.parent = null;
}
this.listeners = [];
this.providerTokens = [];
}
setDebugInfo(info: RenderDebugInfo) {
this.injector = info.injector;
this.providerTokens = info.providerTokens;
this.locals = info.locals;
this.componentInstance = info.component;
}
inject(token: any): any { return this.injector.get(token); }
getLocal(name: string): any { return this.locals.get(name); }
}
export class DebugElement extends DebugNode {
name: string;
properties: Map<string, any>;
attributes: Map<string, any>;
childNodes: DebugNode[];
nativeElement: any;
constructor(nativeNode: any, parent: any) {
super(nativeNode, parent);
this.properties = new Map<string, any>();
this.attributes = new Map<string, any>();
this.childNodes = [];
this.nativeElement = nativeNode;
}
addChild(child: DebugNode) {
if (isPresent(child)) {
this.childNodes.push(child);
child.parent = this;
}
}
removeChild(child: DebugNode) {
var childIndex = this.childNodes.indexOf(child);
if (childIndex !== -1) {
child.parent = null;
this.childNodes.splice(childIndex, 1);
}
}
insertChildrenAfter(child: DebugNode, newChildren: DebugNode[]) {
var siblingIndex = this.childNodes.indexOf(child);
if (siblingIndex !== -1) {
var previousChildren = this.childNodes.slice(0, siblingIndex + 1);
var nextChildren = this.childNodes.slice(siblingIndex + 1);
this.childNodes =
ListWrapper.concat(ListWrapper.concat(previousChildren, newChildren), nextChildren);
for (var i = 0; i < newChildren.length; ++i) {
var newChild = newChildren[i];
if (isPresent(newChild.parent)) {
newChild.parent.removeChild(newChild);
}
newChild.parent = this;
}
}
}
query(predicate: Predicate<DebugElement>): DebugElement {
var results = this.queryAll(predicate);
return results.length > 0 ? results[0] : null;
}
queryAll(predicate: Predicate<DebugElement>): DebugElement[] {
var matches = [];
_queryElementChildren(this, predicate, matches);
return matches;
}
queryAllNodes(predicate: Predicate<DebugNode>): DebugNode[] {
var matches = [];
_queryNodeChildren(this, predicate, matches);
return matches;
}
get children(): DebugElement[] {
var children = [];
this.childNodes.forEach((node) => {
if (node instanceof DebugElement) {
children.push(node);
}
});
return children;
}
triggerEventHandler(eventName: string, eventObj: Event) {
this.listeners.forEach((listener) => {
if (listener.name == eventName) {
listener.callback(eventObj);
}
});
}
}
export function asNativeElements(debugEls: DebugElement[]): any {
return debugEls.map((el) => el.nativeElement);
}
function _queryElementChildren(element: DebugElement, predicate: Predicate<DebugElement>,
matches: DebugElement[]) {
element.childNodes.forEach(node => {
if (node instanceof DebugElement) {
if (predicate(node)) {
matches.push(node);
}
_queryElementChildren(node, predicate, matches);
}
});
}
function _queryNodeChildren(parentNode: DebugNode, predicate: Predicate<DebugNode>,
matches: DebugNode[]) {
if (parentNode instanceof DebugElement) {
parentNode.childNodes.forEach(node => {
if (predicate(node)) {
matches.push(node);
}
if (node instanceof DebugElement) {
_queryNodeChildren(node, predicate, matches);
}
});
}
}
// Need to keep the nodes in a global Map so that multiple angular apps are supported.
var _nativeNodeToDebugNode = new Map<any, DebugNode>();
export function getDebugNode(nativeNode: any): DebugNode {
return _nativeNodeToDebugNode.get(nativeNode);
}
export function getAllDebugNodes(): DebugNode[] {
return MapWrapper.values(_nativeNodeToDebugNode);
}
export function indexDebugNode(node: DebugNode) {
_nativeNodeToDebugNode.set(node.nativeNode, node);
}
export function removeDebugNodeFromIndex(node: DebugNode) {
_nativeNodeToDebugNode.delete(node.nativeNode);
}