forked from MapComplete/MapComplete
129 lines
No EOL
4.5 KiB
TypeScript
129 lines
No EOL
4.5 KiB
TypeScript
import BaseUIElement from "../BaseUIElement";
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import {Utils} from "../../Utils";
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import Translations from "../i18n/Translations";
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import {UIEventSource} from "../../Logic/UIEventSource";
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export default class Table extends BaseUIElement {
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private readonly _header: BaseUIElement[];
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private readonly _contents: BaseUIElement[][];
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private readonly _contentStyle: string[][];
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private readonly _sortable: boolean;
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constructor(header: (BaseUIElement | string)[],
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contents: (BaseUIElement | string)[][],
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options?: {
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contentStyle?: string[][],
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sortable?: false | boolean
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}) {
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super();
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this._contentStyle = options?.contentStyle ?? [["min-width: 9rem"]];
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this._header = header?.map(Translations.W);
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this._contents = contents.map(row => row.map(Translations.W));
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this._sortable = options?.sortable ?? false
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}
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AsMarkdown(): string {
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const headerMarkdownParts = this._header.map(hel => hel?.AsMarkdown() ?? " ")
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const header = headerMarkdownParts.join(" | ");
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const headerSep = headerMarkdownParts.map(part => '-'.repeat(part.length + 2)).join(" | ")
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const table = this._contents.map(row => row.map(el => el.AsMarkdown() ?? " ").join(" | ")).join("\n")
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return "\n\n" + [header, headerSep, table, ""].join("\n")
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}
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protected InnerConstructElement(): HTMLElement {
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const table = document.createElement("table")
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/**
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* Sortmode: i: sort column i ascending;
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* if i is negative : sort column (-i - 1) descending
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*/
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const sortmode = new UIEventSource<number>(undefined);
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const self = this;
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const headerElems = Utils.NoNull((this._header ?? []).map((elem, i) => {
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if(self._sortable){
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elem.onClick(() => {
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const current = sortmode.data
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if(current == i){
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sortmode.setData(- 1 - i )
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}else{
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sortmode.setData(i)
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}
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})
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}
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return elem.ConstructElement();
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}))
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if (headerElems.length > 0) {
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const thead = document.createElement("thead")
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const tr = document.createElement("tr");
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headerElems.forEach(headerElem => {
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const td = document.createElement("th")
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td.appendChild(headerElem)
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tr.appendChild(td)
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})
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thead.appendChild(tr)
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table.appendChild(thead)
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}
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for (let i = 0; i < this._contents.length; i++) {
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let row = this._contents[i];
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const tr = document.createElement("tr")
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for (let j = 0; j < row.length; j++) {
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try {
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let elem = row[j];
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const htmlElem = elem?.ConstructElement()
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if (htmlElem === undefined) {
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continue;
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}
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let style = undefined;
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if (this._contentStyle !== undefined && this._contentStyle[i] !== undefined && this._contentStyle[j] !== undefined) {
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style = this._contentStyle[i][j]
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}
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const td = document.createElement("td")
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td.style.cssText = style;
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td.appendChild(htmlElem)
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tr.appendChild(td)
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} catch (e) {
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console.error("Could not render an element in a table due to", e, row[j])
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}
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}
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table.appendChild(tr)
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}
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sortmode.addCallback(sortCol => {
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if(sortCol === undefined){
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return
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}
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const descending = sortCol < 0
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const col = descending ? - sortCol - 1: sortCol;
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let rows: HTMLTableRowElement[] = Array.from(table.rows)
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rows.splice(0,1) // remove header row
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rows = rows.sort((a, b) => {
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const ac = a.cells[col]?.innerText?.toLowerCase()
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const bc = b.cells[col]?.innerText?.toLowerCase()
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if(ac === bc){
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return 0
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}
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return( ac < bc !== descending) ? -1 : 1;
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})
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for (let j = rows.length ; j > 1; j--) {
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table.deleteRow(j)
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}
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for (const row of rows) {
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table.appendChild(row)
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}
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})
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return table;
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}
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} |