82 lines
2.0 KiB
TypeScript
82 lines
2.0 KiB
TypeScript
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import {MatChipListbox} from "@angular/material/chips";
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export class TabSelect {
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public index: number;
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public name: string;
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constructor(index: number, name: string) {
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this.index = index;
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this.name = name;
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}
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}
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export enum TabSelectType {
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group,
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professor,
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lecture,
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other
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}
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export interface TabSelectData {
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selected: TabSelect[] | null;
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type: TabSelectType;
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}
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export class TabStorageComponent {
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private static dataName = 'tabSelectedData';
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public static trySelectChip(index: number, chip: MatChipListbox, tryCount: number = 0) {
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setTimeout(() => {
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if (chip?._chips !== undefined && chip._chips.length !== 0) {
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let selected = chip._chips.find(x => x.value == index.toString());
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if (selected !== undefined) {
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selected.select();
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return;
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}
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}
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if (tryCount >= 10)
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return;
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this.trySelectChip(index, chip, ++tryCount);
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}, 100);
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}
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public static select(selected: TabSelect, type: TabSelectType, index: number) {
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let selectedData = this.selected;
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if (selectedData === null)
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selectedData = {} as TabSelectData;
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if (selectedData.type !== type || selectedData.selected === null || selectedData.selected.length === 0) {
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if (index !== 0)
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return;
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else
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selectedData.selected = [selected];
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} else {
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if (selectedData.selected.length < index)
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return;
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if (selectedData.selected.length - 1 === index)
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selectedData.selected[index] = selected;
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else if (selectedData.selected.length > index + 1)
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selectedData.selected = selectedData.selected.slice(0, index + 1);
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else
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selectedData.selected.push(selected);
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}
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selectedData.type = type;
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localStorage.setItem(this.dataName, JSON.stringify(selectedData));
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}
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public static get selected(): TabSelectData | null {
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let data = localStorage.getItem(this.dataName);
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if (data === null)
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return null;
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return JSON.parse(data) as TabSelectData;
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}
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}
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