47 lines
990 B
JavaScript
47 lines
990 B
JavaScript
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import {List, ListWrapper} from 'facade/collection';
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import {ChangeDetector} from './interfaces';
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export class AbstractChangeDetector extends ChangeDetector {
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children:List;
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parent:ChangeDetector;
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constructor() {
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this.children = [];
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}
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addChild(cd:ChangeDetector) {
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ListWrapper.push(this.children, cd);
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cd.parent = this;
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}
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removeChild(cd:ChangeDetector) {
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ListWrapper.remove(this.children, cd);
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}
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remove() {
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this.parent.removeChild(this);
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}
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detectChanges() {
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this._detectChanges(false);
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}
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checkNoChanges() {
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this._detectChanges(true);
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}
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_detectChanges(throwOnChange:boolean) {
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this.detectChangesInRecords(throwOnChange);
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this._detectChangesInChildren(throwOnChange);
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}
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detectChangesInRecords(throwOnChange:boolean){}
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_detectChangesInChildren(throwOnChange:boolean) {
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var children = this.children;
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for(var i = 0; i < children.length; ++i) {
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children[i]._detectChanges(throwOnChange);
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}
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}
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}
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