216 lines
6.2 KiB
TypeScript
216 lines
6.2 KiB
TypeScript
/*
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* SPDX-FileCopyrightText: syuilo and misskey-project
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* SPDX-License-Identifier: AGPL-3.0-only
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*/
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import { isRef, Ref } from 'vue';
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import { DataSource, SizeStyle } from '@/components/grid/grid.js';
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import { CELL_ADDRESS_NONE, CellAddress, CellValue, GridCell } from '@/components/grid/cell.js';
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import { GridRow } from '@/components/grid/row.js';
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import { GridContext } from '@/components/grid/grid-event.js';
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import { copyToClipboard } from '@/scripts/copy-to-clipboard.js';
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import { GridColumn, GridColumnSetting } from '@/components/grid/column.js';
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export function isCellElement(elem: HTMLElement): boolean {
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return elem.hasAttribute('data-grid-cell');
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}
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export function isRowElement(elem: HTMLElement): boolean {
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return elem.hasAttribute('data-grid-row');
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}
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export function calcCellWidth(widthSetting: SizeStyle): string {
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switch (widthSetting) {
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case undefined:
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case 'auto': {
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return 'auto';
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}
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default: {
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return `${widthSetting}px`;
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}
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}
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}
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function getCellRowByAttribute(elem: HTMLElement): number {
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const row = elem.getAttribute('data-grid-cell-row');
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if (row === null) {
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throw new Error('data-grid-cell-row attribute not found');
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}
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return Number(row);
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}
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function getCellColByAttribute(elem: HTMLElement): number {
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const col = elem.getAttribute('data-grid-cell-col');
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if (col === null) {
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throw new Error('data-grid-cell-col attribute not found');
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}
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return Number(col);
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}
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export function getCellAddress(elem: HTMLElement, parentNodeCount = 10): CellAddress {
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let node = elem;
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for (let i = 0; i < parentNodeCount; i++) {
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if (!node.parentElement) {
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break;
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}
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if (isCellElement(node) && isRowElement(node.parentElement)) {
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const row = getCellRowByAttribute(node);
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const col = getCellColByAttribute(node);
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return { row, col };
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}
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node = node.parentElement;
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}
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return CELL_ADDRESS_NONE;
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}
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export function getCellElement(elem: HTMLElement, parentNodeCount = 10): HTMLElement | null {
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let node = elem;
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for (let i = 0; i < parentNodeCount; i++) {
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if (isCellElement(node)) {
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return node;
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}
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if (!node.parentElement) {
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break;
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}
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node = node.parentElement;
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}
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return null;
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}
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export function equalCellAddress(a: CellAddress, b: CellAddress): boolean {
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return a.row === b.row && a.col === b.col;
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}
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/**
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* グリッドの選択範囲の内容をタブ区切り形式テキストに変換してクリップボードにコピーする。
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*/
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export function copyGridDataToClipboard(
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gridItems: Ref<DataSource[]> | DataSource[],
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context: GridContext,
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) {
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const items = isRef(gridItems) ? gridItems.value : gridItems;
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const lines = Array.of<string>();
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const bounds = context.randedBounds;
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for (let row = bounds.leftTop.row; row <= bounds.rightBottom.row; row++) {
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const rowItems = Array.of<string>();
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for (let col = bounds.leftTop.col; col <= bounds.rightBottom.col; col++) {
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const { bindTo, events } = context.columns[col].setting;
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const value = items[row][bindTo];
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const transformValue = events?.copy
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? events.copy(value)
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: typeof value === 'object' || Array.isArray(value)
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? JSON.stringify(value)
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: value?.toString() ?? '';
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rowItems.push(transformValue);
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}
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lines.push(rowItems.join('\t'));
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}
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const text = lines.join('\n');
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copyToClipboard(text);
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if (_DEV_) {
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console.log(`Copied to clipboard: ${text}`);
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}
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}
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/**
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* クリップボードからタブ区切りテキストとして値を読み取り、グリッドの選択範囲に貼り付けるためのユーティリティ関数。
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* …と言いつつも、使用箇所により反映方法に差があるため更新操作はコールバック関数に任せている。
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*/
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export async function pasteToGridFromClipboard(
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context: GridContext,
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callback: (row: GridRow, col: GridColumn, parsedValue: CellValue) => void,
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) {
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function parseValue(value: string, setting: GridColumnSetting): CellValue {
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if (setting.events?.paste) {
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return setting.events.paste(value);
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} else {
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switch (setting.type) {
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case 'number': {
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return Number(value);
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}
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case 'boolean': {
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return value === 'true';
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}
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default: {
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return value;
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}
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}
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}
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}
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const clipBoardText = await navigator.clipboard.readText();
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if (_DEV_) {
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console.log(`Paste from clipboard: ${clipBoardText}`);
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}
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const bounds = context.randedBounds;
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const lines = clipBoardText.replace(/\r/g, '')
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.split('\n')
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.map(it => it.split('\t'));
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if (lines.length === 1 && lines[0].length === 1) {
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// 単独文字列の場合は選択範囲全体に同じテキストを貼り付ける
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const ranges = context.rangedCells;
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for (const cell of ranges) {
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if (cell.column.setting.editable) {
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callback(cell.row, cell.column, parseValue(lines[0][0], cell.column.setting));
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}
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}
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} else {
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// 表形式文字列の場合は表形式にパースし、選択範囲に合うように貼り付ける
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const offsetRow = bounds.leftTop.row;
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const offsetCol = bounds.leftTop.col;
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const { columns, rows } = context;
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for (let row = bounds.leftTop.row; row <= bounds.rightBottom.row; row++) {
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const rowIdx = row - offsetRow;
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if (lines.length <= rowIdx) {
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// クリップボードから読んだ二次元配列よりも選択範囲の方が大きい場合、貼り付け操作を打ち切る
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break;
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}
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const items = lines[rowIdx];
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for (let col = bounds.leftTop.col; col <= bounds.rightBottom.col; col++) {
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const colIdx = col - offsetCol;
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if (items.length <= colIdx) {
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// クリップボードから読んだ二次元配列よりも選択範囲の方が大きい場合、貼り付け操作を打ち切る
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break;
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}
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if (columns[col].setting.editable) {
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callback(rows[row], columns[col], parseValue(items[colIdx], columns[col].setting));
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}
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}
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}
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}
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}
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/**
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* グリッドの選択範囲にあるデータを削除するためのユーティリティ関数。
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* …と言いつつも、使用箇所により反映方法に差があるため更新操作はコールバック関数に任せている。
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*/
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export function removeDataFromGrid(
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context: GridContext,
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callback: (cell: GridCell) => void,
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) {
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for (const cell of context.rangedCells) {
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const { editable, events } = cell.column.setting;
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if (editable) {
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if (events?.delete) {
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events.delete(cell, context);
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} else {
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callback(cell);
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}
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}
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}
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}
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