mapcomplete/UI/Base/Table.ts

129 lines
No EOL
4.5 KiB
TypeScript

import BaseUIElement from "../BaseUIElement";
import {Utils} from "../../Utils";
import Translations from "../i18n/Translations";
import {UIEventSource} from "../../Logic/UIEventSource";
export default class Table extends BaseUIElement {
private readonly _header: BaseUIElement[];
private readonly _contents: BaseUIElement[][];
private readonly _contentStyle: string[][];
private readonly _sortable: boolean;
constructor(header: (BaseUIElement | string)[],
contents: (BaseUIElement | string)[][],
options?: {
contentStyle?: string[][],
sortable?: false | boolean
}) {
super();
this._contentStyle = options?.contentStyle ?? [["min-width: 9rem"]];
this._header = header?.map(Translations.W);
this._contents = contents.map(row => row.map(Translations.W));
this._sortable = options?.sortable ?? false
}
AsMarkdown(): string {
const headerMarkdownParts = this._header.map(hel => hel?.AsMarkdown() ?? " ")
const header = headerMarkdownParts.join(" | ");
const headerSep = headerMarkdownParts.map(part => '-'.repeat(part.length + 2)).join(" | ")
const table = this._contents.map(row => row.map(el => el.AsMarkdown() ?? " ").join(" | ")).join("\n")
return "\n\n" + [header, headerSep, table, ""].join("\n")
}
protected InnerConstructElement(): HTMLElement {
const table = document.createElement("table")
/**
* Sortmode: i: sort column i ascending;
* if i is negative : sort column (-i - 1) descending
*/
const sortmode = new UIEventSource<number>(undefined);
const self = this;
const headerElems = Utils.NoNull((this._header ?? []).map((elem, i) => {
if(self._sortable){
elem.onClick(() => {
const current = sortmode.data
if(current == i){
sortmode.setData(- 1 - i )
}else{
sortmode.setData(i)
}
})
}
return elem.ConstructElement();
}))
if (headerElems.length > 0) {
const thead = document.createElement("thead")
const tr = document.createElement("tr");
headerElems.forEach(headerElem => {
const td = document.createElement("th")
td.appendChild(headerElem)
tr.appendChild(td)
})
thead.appendChild(tr)
table.appendChild(thead)
}
for (let i = 0; i < this._contents.length; i++) {
let row = this._contents[i];
const tr = document.createElement("tr")
for (let j = 0; j < row.length; j++) {
try {
let elem = row[j];
const htmlElem = elem?.ConstructElement()
if (htmlElem === undefined) {
continue;
}
let style = undefined;
if (this._contentStyle !== undefined && this._contentStyle[i] !== undefined && this._contentStyle[j] !== undefined) {
style = this._contentStyle[i][j]
}
const td = document.createElement("td")
td.style.cssText = style;
td.appendChild(htmlElem)
tr.appendChild(td)
} catch (e) {
console.error("Could not render an element in a table due to", e, row[j])
}
}
table.appendChild(tr)
}
sortmode.addCallback(sortCol => {
if(sortCol === undefined){
return
}
const descending = sortCol < 0
const col = descending ? - sortCol - 1: sortCol;
let rows: HTMLTableRowElement[] = Array.from(table.rows)
rows.splice(0,1) // remove header row
rows = rows.sort((a, b) => {
const ac = a.cells[col]?.innerText?.toLowerCase()
const bc = b.cells[col]?.innerText?.toLowerCase()
if(ac === bc){
return 0
}
return( ac < bc !== descending) ? -1 : 1;
})
for (let j = rows.length ; j > 1; j--) {
table.deleteRow(j)
}
for (const row of rows) {
table.appendChild(row)
}
})
return table;
}
}