98 lines
2.3 KiB
JavaScript
98 lines
2.3 KiB
JavaScript
/*
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Copyright 2020 Bruno Windels <bruno@windels.cloud>
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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import {UpdateAction} from "../UpdateAction.js";
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export class SimpleTile {
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constructor({entry}) {
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this._entry = entry;
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this._emitUpdate = null;
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}
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// view model props for all subclasses
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// hmmm, could also do instanceof ... ?
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get shape() {
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return null;
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// "gap" | "message" | "image" | ... ?
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}
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// don't show display name / avatar
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// probably only for MessageTiles of some sort?
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get isContinuation() {
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return false;
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}
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get hasDateSeparator() {
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return false;
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}
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emitUpdate(paramName) {
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if (this._emitUpdate) {
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this._emitUpdate(this, paramName);
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}
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}
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get internalId() {
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return this._entry.asEventKey().toString();
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}
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get isPending() {
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return this._entry.isPending;
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}
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// TilesCollection contract below
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setUpdateEmit(emitUpdate) {
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this._emitUpdate = emitUpdate;
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}
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get upperEntry() {
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return this._entry;
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}
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get lowerEntry() {
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return this._entry;
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}
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compareEntry(entry) {
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return this._entry.compare(entry);
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}
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// update received for already included (falls within sort keys) entry
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updateEntry(entry) {
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this._entry = entry;
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return UpdateAction.Nothing();
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}
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// return whether the tile should be removed
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// as SimpleTile only has one entry, the tile should be removed
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removeEntry(entry) {
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return true;
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}
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// SimpleTile can only contain 1 entry
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tryIncludeEntry() {
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return false;
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}
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// let item know it has a new sibling
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updatePreviousSibling(prev) {
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}
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// let item know it has a new sibling
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updateNextSibling(next) {
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}
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// TilesCollection contract above
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}
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