194 lines
5.8 KiB
TypeScript
194 lines
5.8 KiB
TypeScript
// (c) Copyright Ascensio System SIA 2010-2024
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//
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// This program is a free software product.
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// You can redistribute it and/or modify it under the terms
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// of the GNU Affero General Public License (AGPL) version 3 as published by the Free Software
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// Foundation. In accordance with Section 7(a) of the GNU AGPL its Section 15 shall be amended
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// to the effect that Ascensio System SIA expressly excludes the warranty of non-infringement of
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// any third-party rights.
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//
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// This program is distributed WITHOUT ANY WARRANTY, without even the implied warranty
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// of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For details, see
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// the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
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//
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// You can contact Ascensio System SIA at Lubanas st. 125a-25, Riga, Latvia, EU, LV-1021.
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//
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// The interactive user interfaces in modified source and object code versions of the Program must
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// display Appropriate Legal Notices, as required under Section 5 of the GNU AGPL version 3.
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//
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// Pursuant to Section 7(b) of the License you must retain the original Product logo when
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// distributing the program. Pursuant to Section 7(e) we decline to grant you any rights under
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// trademark law for use of our trademarks.
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//
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// All the Product's GUI elements, including illustrations and icon sets, as well as technical writing
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// content are licensed under the terms of the Creative Commons Attribution-ShareAlike 4.0
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// International. See the License terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
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import { DomHelpers, size } from "../../utils";
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import { TSubmenuItem } from "./Submenu.types";
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const paddingGap = 14;
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const flexGap = 4;
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const offset = 32;
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const wrapperPadding = DomHelpers.getViewport().width <= size.desktop ? 16 : 20;
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const countText = (text: string) => {
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const inputText = text;
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const font = "600 13px open sans";
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const canvas = document.createElement("canvas");
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const context = canvas.getContext("2d");
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if (context) context.font = font;
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return { id: text, width: context?.measureText(inputText).width };
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};
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const countItemsAndGaps = (
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texts: {
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id: string;
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width: number | undefined;
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}[],
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) => {
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const result: {
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type: string;
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length?: number;
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start: number;
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end: number;
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id?: string;
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}[] = [];
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texts.forEach(({ id, width }) => {
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if (!result.length)
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result.push(
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{
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type: "gap",
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length: paddingGap,
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start: 0,
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end: paddingGap + wrapperPadding,
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},
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{
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id,
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type: "item",
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length: width,
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start: paddingGap,
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end: width ? paddingGap + width : paddingGap,
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},
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);
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else {
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const lastItem = result[result.length - 1];
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result.push(
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{
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type: "gap",
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length: paddingGap * 2 + flexGap,
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start: lastItem.end,
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end: lastItem.end + paddingGap * 2 + flexGap,
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},
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{
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id,
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type: "item",
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length: width,
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start: lastItem.end + paddingGap * 2 + flexGap,
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end: width
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? lastItem.end + paddingGap * 2 + flexGap + width
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: lastItem.end + paddingGap * 2 + flexGap,
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},
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);
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}
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});
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result.push({
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type: "gap",
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length: paddingGap,
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start: result[result.length - 1].end,
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end: result[result.length - 1].end + paddingGap + wrapperPadding,
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});
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return result;
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};
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const countParams = (data: TSubmenuItem[], submenuItemsRef: HTMLDivElement) => {
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const refCurrent = submenuItemsRef;
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const texts = data.map((d) => countText(d.name));
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const itemsAndGaps = countItemsAndGaps(texts);
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const submenuWidth = refCurrent.offsetWidth;
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const marker = refCurrent.scrollLeft + submenuWidth - wrapperPadding;
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const [itemOnMarker] = itemsAndGaps.filter(
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(obj) => obj.start < marker && marker < obj.end,
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);
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return [marker, itemsAndGaps, itemOnMarker];
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};
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export const countAutoOffset = (
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data: TSubmenuItem[],
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submenuItemsRef: HTMLDivElement | null,
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) => {
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if (submenuItemsRef) {
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const [marker, itemsAndGaps, itemOnMarker] = countParams(
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data,
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submenuItemsRef,
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);
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if (itemOnMarker === undefined) return 0;
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if (
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!Array.isArray(itemOnMarker) &&
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Array.isArray(itemsAndGaps) &&
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typeof marker === "number" &&
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typeof itemOnMarker !== "number"
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) {
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if (
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itemOnMarker.type === "gap" &&
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itemOnMarker !== itemsAndGaps[itemsAndGaps.length - 1]
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)
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return itemOnMarker.end - marker + offset - wrapperPadding;
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if (itemOnMarker.type === "item" && marker - itemOnMarker.start < 32) {
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return -(marker - itemOnMarker.start - offset) - wrapperPadding;
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}
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if (
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itemOnMarker.type === "item" &&
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itemOnMarker.end - marker < 7.5 &&
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itemOnMarker !== itemsAndGaps[itemsAndGaps.length - 2]
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) {
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return itemOnMarker.end - marker + offset * 2 - wrapperPadding;
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}
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return 0;
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}
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}
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};
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export const countAutoFocus = (
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itemId: string,
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data: TSubmenuItem[],
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submenuItemsRef: HTMLDivElement | null,
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) => {
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if (submenuItemsRef) {
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const [marker, itemsAndGaps, itemOnMarker] = countParams(
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data,
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submenuItemsRef,
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);
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if (
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!Array.isArray(itemOnMarker) &&
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Array.isArray(itemsAndGaps) &&
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typeof marker === "number" &&
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typeof itemOnMarker !== "number"
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) {
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const [focusedItem] = itemsAndGaps.filter((obj) => obj.id === itemId);
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const submenuWidth = submenuItemsRef.offsetWidth;
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if (itemOnMarker?.id && focusedItem.id === itemOnMarker.id)
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return focusedItem.end - marker;
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if (
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focusedItem.start < marker - submenuWidth ||
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focusedItem.start - offset < marker - submenuWidth
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)
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return (
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focusedItem.start - marker + submenuWidth - wrapperPadding - offset
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);
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return 0;
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}
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}
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};
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