c8cf03f200
The rtts assertion lib is only needed for js, but it should be treated like any other module (e.g. facade, …)
36 lines
1.4 KiB
JavaScript
36 lines
1.4 KiB
JavaScript
import {Node, DocumentFragment} from 'facade/dom';
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import {ListWrapper wraps List} from 'facade/collection';
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import {WatchGroupDispatcher} from 'change_detection/watch_group_dispatcher';
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import {Record} from 'change_detection/record';
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@IMPLEMENTS(WatchGroupDispatcher)
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export class View {
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@FIELD('final _fragment:DocumentFragment')
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/// This list matches the _nodes list. It is sparse, since only Elements have ElementInjector
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@FIELD('final _rootElementInjectors:List<ElementInjector>')
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@FIELD('final _elementInjectors:List<ElementInjector>')
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@FIELD('final _textNodes:List<Text>')
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@FIELD('final _watchGroup:WatchGroup')
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/// When the view is part of render tree, the DocumentFragment is empty, which is why we need
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/// to keep track of the nodes.
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@FIELD('final _nodes:List<Node>')
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constructor(fragment:DocumentFragment) {
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this._fragment = fragment;
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this._nodes = ListWrapper.clone(fragment.childNodes);
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}
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onRecordChange(record:Record, target) {
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// dispatch to element injector or text nodes based on context
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if (target instanceof ElementInjectorTarge) {
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// we know that it is ElementInjectorTarge
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var eTarget:ElementInjectorTarget = target;
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onChangeDispatcher.notify(this, eTarget);
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eTarget.invoke(record, _elementInjectors);
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} else {
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// we know it refferst to _textNodes.
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var textNodeIndex:number = target;
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DOM.setText(this._textNodes[textNodeIndex], record.currentValue);
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}
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}
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}
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