angular2
Version:
Angular 2 - a web framework for modern web apps
288 lines (287 loc) • 12.8 kB
JavaScript
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
if (typeof Reflect === "object" && typeof Reflect.decorate === "function") return Reflect.decorate(decorators, target, key, desc);
switch (arguments.length) {
case 2: return decorators.reduceRight(function(o, d) { return (d && d(o)) || o; }, target);
case 3: return decorators.reduceRight(function(o, d) { return (d && d(target, key)), void 0; }, void 0);
case 4: return decorators.reduceRight(function(o, d) { return (d && d(target, key, o)) || o; }, desc);
}
};
var __metadata = (this && this.__metadata) || function (k, v) {
if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
};
var __param = (this && this.__param) || function (paramIndex, decorator) {
return function (target, key) { decorator(target, key, paramIndex); }
};
import { Inject, Injectable } from 'angular2/src/core/di';
import { AnimationBuilder } from 'angular2/src/animate/animation_builder';
import { isPresent, isBlank, RegExpWrapper, CONST_EXPR, stringify } from 'angular2/src/facade/lang';
import { BaseException } from 'angular2/src/facade/exceptions';
import { DomSharedStylesHost } from './shared_styles_host';
import { wtfLeave, wtfCreateScope } from 'angular2/src/core/profile/profile';
import { Renderer, RenderViewWithFragments } from 'angular2/core';
import { EventManager } from './events/event_manager';
import { DOCUMENT } from './dom_tokens';
import { createRenderView, encapsulateStyles } from 'angular2/src/core/render/view_factory';
import { DefaultProtoViewRef } from 'angular2/src/core/render/view';
import { camelCaseToDashCase } from './util';
import { ViewEncapsulation } from 'angular2/src/core/metadata';
import { DOM } from 'angular2/src/platform/dom/dom_adapter';
const NAMESPACE_URIS = CONST_EXPR({ 'xlink': 'http://www.w3.org/1999/xlink', 'svg': 'http://www.w3.org/2000/svg' });
export class DomRenderer extends Renderer {
getNativeElementSync(location) {
return resolveInternalDomView(location.renderView).boundElements[location.boundElementIndex];
}
getRootNodes(fragment) { return resolveInternalDomFragment(fragment); }
attachFragmentAfterFragment(previousFragmentRef, fragmentRef) {
var previousFragmentNodes = resolveInternalDomFragment(previousFragmentRef);
if (previousFragmentNodes.length > 0) {
var sibling = previousFragmentNodes[previousFragmentNodes.length - 1];
let nodes = resolveInternalDomFragment(fragmentRef);
moveNodesAfterSibling(sibling, nodes);
this.animateNodesEnter(nodes);
}
}
/**
* Iterates through all nodes being added to the DOM and animates them if necessary
* @param nodes
*/
animateNodesEnter(nodes) {
for (let i = 0; i < nodes.length; i++)
this.animateNodeEnter(nodes[i]);
}
attachFragmentAfterElement(elementRef, fragmentRef) {
var parentView = resolveInternalDomView(elementRef.renderView);
var element = parentView.boundElements[elementRef.boundElementIndex];
var nodes = resolveInternalDomFragment(fragmentRef);
moveNodesAfterSibling(element, nodes);
this.animateNodesEnter(nodes);
}
hydrateView(viewRef) { resolveInternalDomView(viewRef).hydrate(); }
dehydrateView(viewRef) { resolveInternalDomView(viewRef).dehydrate(); }
createTemplateAnchor(attrNameAndValues) {
return this.createElement('script', attrNameAndValues);
}
createText(value) { return DOM.createTextNode(isPresent(value) ? value : ''); }
appendChild(parent, child) { DOM.appendChild(parent, child); }
setElementProperty(location, propertyName, propertyValue) {
var view = resolveInternalDomView(location.renderView);
DOM.setProperty(view.boundElements[location.boundElementIndex], propertyName, propertyValue);
}
setElementAttribute(location, attributeName, attributeValue) {
var view = resolveInternalDomView(location.renderView);
var element = view.boundElements[location.boundElementIndex];
var dashCasedAttributeName = camelCaseToDashCase(attributeName);
if (isPresent(attributeValue)) {
DOM.setAttribute(element, dashCasedAttributeName, stringify(attributeValue));
}
else {
DOM.removeAttribute(element, dashCasedAttributeName);
}
}
setElementClass(location, className, isAdd) {
var view = resolveInternalDomView(location.renderView);
var element = view.boundElements[location.boundElementIndex];
if (isAdd) {
DOM.addClass(element, className);
}
else {
DOM.removeClass(element, className);
}
}
setElementStyle(location, styleName, styleValue) {
var view = resolveInternalDomView(location.renderView);
var element = view.boundElements[location.boundElementIndex];
var dashCasedStyleName = camelCaseToDashCase(styleName);
if (isPresent(styleValue)) {
DOM.setStyle(element, dashCasedStyleName, stringify(styleValue));
}
else {
DOM.removeStyle(element, dashCasedStyleName);
}
}
invokeElementMethod(location, methodName, args) {
var view = resolveInternalDomView(location.renderView);
var element = view.boundElements[location.boundElementIndex];
DOM.invoke(element, methodName, args);
}
setText(viewRef, textNodeIndex, text) {
var view = resolveInternalDomView(viewRef);
DOM.setText(view.boundTextNodes[textNodeIndex], text);
}
setEventDispatcher(viewRef, dispatcher) {
resolveInternalDomView(viewRef).setEventDispatcher(dispatcher);
}
}
export let DomRenderer_ = class extends DomRenderer {
constructor(_eventManager, _domSharedStylesHost, _animate, document) {
super();
this._eventManager = _eventManager;
this._domSharedStylesHost = _domSharedStylesHost;
this._animate = _animate;
this._componentTpls = new Map();
/** @internal */
this._createRootHostViewScope = wtfCreateScope('DomRenderer#createRootHostView()');
/** @internal */
this._createViewScope = wtfCreateScope('DomRenderer#createView()');
/** @internal */
this._detachFragmentScope = wtfCreateScope('DomRenderer#detachFragment()');
this._document = document;
}
registerComponentTemplate(template) {
this._componentTpls.set(template.id, template);
if (template.encapsulation !== ViewEncapsulation.Native) {
var encapsulatedStyles = encapsulateStyles(template);
this._domSharedStylesHost.addStyles(encapsulatedStyles);
}
}
createProtoView(componentTemplateId, cmds) {
return new DefaultProtoViewRef(this._componentTpls.get(componentTemplateId), cmds);
}
resolveComponentTemplate(templateId) {
return this._componentTpls.get(templateId);
}
createRootHostView(hostProtoViewRef, fragmentCount, hostElementSelector) {
var s = this._createRootHostViewScope();
var element = DOM.querySelector(this._document, hostElementSelector);
if (isBlank(element)) {
wtfLeave(s);
throw new BaseException(`The selector "${hostElementSelector}" did not match any elements`);
}
return wtfLeave(s, this._createView(hostProtoViewRef, element));
}
createView(protoViewRef, fragmentCount) {
var s = this._createViewScope();
return wtfLeave(s, this._createView(protoViewRef, null));
}
_createView(protoViewRef, inplaceElement) {
var dpvr = protoViewRef;
var view = createRenderView(dpvr.template, dpvr.cmds, inplaceElement, this);
var sdRoots = view.nativeShadowRoots;
for (var i = 0; i < sdRoots.length; i++) {
this._domSharedStylesHost.addHost(sdRoots[i]);
}
return new RenderViewWithFragments(view, view.fragments);
}
destroyView(viewRef) {
var view = viewRef;
var sdRoots = view.nativeShadowRoots;
for (var i = 0; i < sdRoots.length; i++) {
this._domSharedStylesHost.removeHost(sdRoots[i]);
}
}
animateNodeEnter(node) {
if (DOM.isElementNode(node) && DOM.hasClass(node, 'ng-animate')) {
DOM.addClass(node, 'ng-enter');
this._animate.css()
.addAnimationClass('ng-enter-active')
.start(node)
.onComplete(() => { DOM.removeClass(node, 'ng-enter'); });
}
}
animateNodeLeave(node) {
if (DOM.isElementNode(node) && DOM.hasClass(node, 'ng-animate')) {
DOM.addClass(node, 'ng-leave');
this._animate.css()
.addAnimationClass('ng-leave-active')
.start(node)
.onComplete(() => {
DOM.removeClass(node, 'ng-leave');
DOM.remove(node);
});
}
else {
DOM.remove(node);
}
}
detachFragment(fragmentRef) {
var s = this._detachFragmentScope();
var fragmentNodes = resolveInternalDomFragment(fragmentRef);
for (var i = 0; i < fragmentNodes.length; i++) {
this.animateNodeLeave(fragmentNodes[i]);
}
wtfLeave(s);
}
createElement(name, attrNameAndValues) {
var nsAndName = splitNamespace(name);
var el = isPresent(nsAndName[0]) ?
DOM.createElementNS(NAMESPACE_URIS[nsAndName[0]], nsAndName[1]) :
DOM.createElement(nsAndName[1]);
this._setAttributes(el, attrNameAndValues);
return el;
}
mergeElement(existing, attrNameAndValues) {
DOM.clearNodes(existing);
this._setAttributes(existing, attrNameAndValues);
}
_setAttributes(node, attrNameAndValues) {
for (var attrIdx = 0; attrIdx < attrNameAndValues.length; attrIdx += 2) {
var attrNs;
var attrName = attrNameAndValues[attrIdx];
var nsAndName = splitNamespace(attrName);
if (isPresent(nsAndName[0])) {
attrName = nsAndName[0] + ':' + nsAndName[1];
attrNs = NAMESPACE_URIS[nsAndName[0]];
}
var attrValue = attrNameAndValues[attrIdx + 1];
if (isPresent(attrNs)) {
DOM.setAttributeNS(node, attrNs, attrName, attrValue);
}
else {
DOM.setAttribute(node, nsAndName[1], attrValue);
}
}
}
createRootContentInsertionPoint() {
return DOM.createComment('root-content-insertion-point');
}
createShadowRoot(host, templateId) {
var sr = DOM.createShadowRoot(host);
var tpl = this._componentTpls.get(templateId);
for (var i = 0; i < tpl.styles.length; i++) {
DOM.appendChild(sr, DOM.createStyleElement(tpl.styles[i]));
}
return sr;
}
on(element, eventName, callback) {
this._eventManager.addEventListener(element, eventName, decoratePreventDefault(callback));
}
globalOn(target, eventName, callback) {
return this._eventManager.addGlobalEventListener(target, eventName, decoratePreventDefault(callback));
}
};
DomRenderer_ = __decorate([
Injectable(),
__param(3, Inject(DOCUMENT)),
__metadata('design:paramtypes', [EventManager, DomSharedStylesHost, AnimationBuilder, Object])
], DomRenderer_);
function resolveInternalDomView(viewRef) {
return viewRef;
}
function resolveInternalDomFragment(fragmentRef) {
return fragmentRef.nodes;
}
function moveNodesAfterSibling(sibling, nodes) {
if (nodes.length > 0 && isPresent(DOM.parentElement(sibling))) {
for (var i = 0; i < nodes.length; i++) {
DOM.insertBefore(sibling, nodes[i]);
}
DOM.insertBefore(nodes[0], sibling);
}
}
function decoratePreventDefault(eventHandler) {
return (event) => {
var allowDefaultBehavior = eventHandler(event);
if (!allowDefaultBehavior) {
// TODO(tbosch): move preventDefault into event plugins...
DOM.preventDefault(event);
}
};
}
var NS_PREFIX_RE = /^@([^:]+):(.+)/g;
function splitNamespace(name) {
if (name[0] != '@') {
return [null, name];
}
let match = RegExpWrapper.firstMatch(NS_PREFIX_RE, name);
return [match[1], match[2]];
}