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renderer.ts
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import {Inject, Injectable} from 'angular2/src/core/di';
import {RenderComponentTemplate} from 'angular2/src/core/render/api';
import {DOCUMENT} from 'angular2/src/core/render/dom/dom_tokens';
import {createRenderView, NodeFactory} from 'angular2/src/core/render/view_factory';
import {
Renderer,
RenderEventDispatcher,
RenderElementRef,
RenderProtoViewRef,
RenderViewRef,
RenderFragmentRef,
RenderViewWithFragments,
RenderTemplateCmd
} from 'angular2/src/core/render/api';
import {isBlank} from 'angular2/src/facade/lang';
import {
DefaultProtoViewRef,
DefaultRenderView,
DefaultRenderFragmentRef
} from 'angular2/src/core/render/view';
import {DOM} from 'angular2/src/core/dom/dom_adapter';
import {ViewNode, DummyViewNode} from './view_node';
//var console = {log: function(msg) {}}
@Injectable()
export class NativeScriptRenderer extends Renderer implements NodeFactory<ViewNode> {
private _document;
constructor(@Inject(DOCUMENT) document) {
super();
console.log('NativeScriptRenderer created');
this._document = document;
}
public createProtoView(componentTemplateId: string, cmds: RenderTemplateCmd[]): RenderProtoViewRef {
console.log('NativeScriptRenderer.createProtoView: ' + cmds);
return new DefaultProtoViewRef(this._componentTemplates.get(componentTemplateId), cmds);
}
public createRootHostView(
hostProtoViewRef: RenderProtoViewRef,
fragmentCount: number,
hostElementSelector: string
): RenderViewWithFragments {
console.log("NativeScriptRenderer.createRootHostView");
let rootViewWithFragments = this._createView(hostProtoViewRef, null);
let rootView = resolveInternalDomView(rootViewWithFragments.viewRef);
let rootNode = rootView.boundElements[0];
rootNode.attachToView();
return rootViewWithFragments;
}
public createView(protoViewRef: RenderProtoViewRef, fragmentCount: number): RenderViewWithFragments {
console.log("NativeScriptRenderer.createView");
return this._createView(protoViewRef, null);
}
private _createView(protoViewRef: RenderProtoViewRef, inplaceElement: HTMLElement): RenderViewWithFragments {
var dpvr = <DefaultProtoViewRef>protoViewRef;
var view = createRenderView(dpvr.template, dpvr.cmds, inplaceElement, this);
return new RenderViewWithFragments(view, view.fragments);
}
public destroyView(viewRef: RenderViewRef) {
console.log("NativeScriptRenderer.destroyView");
// Seems to be called on component dispose only (router outlet)
//TODO: handle this when we resolve routing and navigation.
}
public getRootNodes(fragment: RenderFragmentRef): ViewNode[] {
return resolveInternalDomFragment(fragment);
}
public attachFragmentAfterFragment(previousFragmentRef: RenderFragmentRef, fragmentRef: RenderFragmentRef) {
console.log("NativeScriptRenderer.attachFragmentAfterFragment");
var previousFragmentNodes = resolveInternalDomFragment(previousFragmentRef);
if (previousFragmentNodes.length > 0) {
var sibling = previousFragmentNodes[previousFragmentNodes.length - 1];
let nodes = resolveInternalDomFragment(fragmentRef);
this.attachFragmentAfter(sibling, nodes);
}
}
public attachFragmentAfterElement(location: RenderElementRef, fragmentRef: RenderFragmentRef) {
console.log("NativeScriptRenderer.attachFragmentAfterElement");
let element = resolveBoundNode(location);
let nodes = resolveInternalDomFragment(fragmentRef);
this.attachFragmentAfter(element, nodes);
}
private attachFragmentAfter(anchorNode: ViewNode, fragmentNodes: ViewNode[]) {
var startIndex = anchorNode.parentNode.getChildIndex(anchorNode) + 1;
fragmentNodes.forEach((node, index) => {
console.log('attachFragmentAfterElement: child: ' + node.viewName + ' after: ' + anchorNode.viewName + ' startIndex: ' + startIndex + ' index: ' + index);
anchorNode.parentNode.insertChildAt(startIndex + index, node);
node.attachToView(startIndex + index);
});
}
detachFragment(fragmentRef: RenderFragmentRef) {
console.log('NativeScriptRenderer.detachFragment');
var fragmentNodes = resolveInternalDomFragment(fragmentRef);
fragmentNodes.forEach((node) => {
console.log('detaching fragment child: ' + node.viewName);
if (node.parentNode)
node.parentNode.removeChild(node);
});
}
hydrateView(viewRef: RenderViewRef) {
console.log("NativeScriptRenderer.hydrateView ");
//DOING nothing -- the view init code happens on attach: ViewNode#createUI
}
dehydrateView(viewRef: RenderViewRef) {
console.log("NativeScriptRenderer.dehydrateView");
//TODO: detach events
}
setElementProperty(location: RenderElementRef, propertyName: string, propertyValue: any) {
console.log("NativeScriptRenderer.setElementProperty " + propertyName + " = " + propertyValue);
let node = resolveBoundNode(location);
node.setProperty(propertyName, propertyValue);
}
setElementAttribute(location: RenderElementRef, attributeName: string, attributeValue: string) {
console.log("NativeScriptRenderer.setElementAttribute " + attributeName + " = " + attributeValue);
return this.setElementProperty(location, attributeName, attributeValue);
}
setElementClass(location: RenderElementRef, className: string, isAdd: boolean): void {
console.log("NativeScriptRenderer.setElementClass " + className + " - " + isAdd);
let node = resolveBoundNode(location);
if (isAdd) {
node.addClass(className);
} else {
node.removeClass(className);
}
}
setElementStyle(location: RenderElementRef, styleName: string, styleValue: string): void {
let node = resolveBoundNode(location);
node.setStyleProperty(styleName, styleValue);
}
getNativeElementSync(location: RenderElementRef): any {
console.log("NativeScriptRenderer.getNativeElementSync");
let node = resolveBoundNode(location);
return node.nativeView;
}
/**
* Calls a method on an element.
*/
invokeElementMethod(location: RenderElementRef, methodName: string, args: Array<any>) {
console.log("NativeScriptRenderer.invokeElementMethod " + methodName + " " + args);
}
setText(viewRef: RenderViewRef, textNodeIndex: number, text: string) {
console.log("NativeScriptRenderer.setText ");
}
setEventDispatcher(viewRef: RenderViewRef, dispatcher: RenderEventDispatcher) {
console.log("NativeScriptRenderer.setEventDispatcher ");
var view = resolveInternalDomView(viewRef);
view.eventDispatcher = dispatcher;
}
private _componentTemplates: Map<string, RenderComponentTemplate> = new Map<string, RenderComponentTemplate>();
public registerComponentTemplate(template: RenderComponentTemplate) {
console.log('NativeScriptRenderer.registerComponentTemplate: ' + template.id);
this._componentTemplates.set(template.id, template);
}
public resolveComponentTemplate(templateId: string): RenderComponentTemplate {
console.log('NativeScriptRenderer.resolveComponentTemplate: ' + templateId);
return this._componentTemplates.get(templateId);
}
public createRootContentInsertionPoint(): ViewNode {
return this.createTemplateAnchor([]);
}
public createTemplateAnchor(attrNameAndValues: string[]): ViewNode {
console.log('NativeScriptRenderer.createTemplateAnchor');
return new ViewNode(null, 'template', attrNameAndValues);
}
public createElement(name: string, attrNameAndValues: string[]): ViewNode {
console.log('NativeScriptRenderer.createElement: ' + name);
return new ViewNode(null, name, attrNameAndValues);
}
public mergeElement(existing: ViewNode, attrNameAndValues: string[]){
console.log('NativeScriptRenderer.mergeElement: ' + existing.viewName);
existing.clearChildren();
existing.setAttributeValues(attrNameAndValues);
}
public createShadowRoot(host: ViewNode, templateId: string): ViewNode {
throw new Error('Not implemented.');
}
public createText(value: string): ViewNode {
console.log('NativeScriptRenderer.createText');
return new DummyViewNode(null);
}
public appendChild(parent: ViewNode, child: ViewNode) {
console.log('NativeScriptRenderer.appendChild: ' + parent.viewName + ' -> ' + child.viewName);
parent.appendChild(child);
}
public on(element: ViewNode, eventName: string, callback: Function) {
console.log('NativeScriptRenderer.on: ' + eventName);
let zonedCallback = global.zone.bind(callback);
element.on(eventName, zonedCallback);
}
public globalOn(target: string, eventName: string, callback: Function): Function {
throw new Error('Not implemented.');
}
}
function resolveInternalDomView(viewRef: RenderViewRef): DefaultRenderView<ViewNode> {
return <DefaultRenderView<ViewNode>>viewRef;
}
function resolveBoundNode(elementRef: RenderElementRef): ViewNode {
let view = resolveInternalDomView(elementRef.renderView);
//Using an Angular internal API to get the index of the bound element.
let internalBoundIndex = (<any>elementRef).boundElementIndex;
return view.boundElements[internalBoundIndex]
}
function resolveInternalDomFragment(fragmentRef: RenderFragmentRef): ViewNode[] {
return (<DefaultRenderFragmentRef<ViewNode>>fragmentRef).nodes;
}