ScoDoc/app/static/js/table_editor.js

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JavaScript
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/* table_editor, par Sébastien L. 2021-11-12
*/
/*****************************/
/* Mise en place des données */
/*****************************/
function build_table(data) {
let output = "";
data.forEach((cellule) => {
output += `
<div
class="${cellule.style || ""}"
data-editable="${cellule.editable || "false"}"
data-module_id="${cellule.module_id}"
data-ue_id="${cellule.ue_id}"
data-x="${cellule.x}"
data-y="${cellule.y}"
data-nbX="${cellule.nbX || 1}"
data-nbY="${cellule.nbY || 1}"
data-data="${cellule.data}"
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data-orig="${cellule.data}"
title="${cellule.title || ""}"
style="
--x:${cellule.x};
--y:${cellule.y};
--nbX:${cellule.nbX || 1};
--nbY: ${cellule.nbY || 1};
">
${cellule.data}
</div>`;
})
document.querySelector(".tableau").innerHTML = output;
installListeners();
}
/*****************************/
/* Gestion des évènements */
/*****************************/
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function installListeners() {
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if (read_only) {
return;
}
document.body.addEventListener("keydown", key);
document.querySelectorAll("[data-editable=true]").forEach(cellule => {
cellule.addEventListener("click", function () { selectCell(this) });
cellule.addEventListener("dblclick", function () { modifCell(this) });
cellule.addEventListener("blur", function () {
let currentModif = document.querySelector(".modifying");
if (currentModif) {
if (!save(currentModif)) {
return;
}
}
});
});
}
/*********************************/
/* Interaction avec les cellules */
/*********************************/
function selectCell(obj) {
if (obj.classList.contains("modifying")) {
return; // Cellule en cours de modification, ne pas sélectionner.
}
let currentModif = document.querySelector(".modifying");
if (currentModif) {
if (!save(currentModif)) {
return;
}
}
document.querySelectorAll(".selected, .modifying").forEach(cellule => {
cellule.classList.remove("selected", "modifying");
cellule.removeAttribute("contentEditable");
cellule.removeEventListener("keydown", keyCell);
})
obj.classList.add("selected");
}
function modifCell(obj) {
if (obj) {
obj.classList.add("modifying");
obj.contentEditable = true;
obj.addEventListener("keydown", keyCell);
obj.focus();
}
}
function key(event) {
switch (event.key) {
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case "Enter": modifCell(document.querySelector(".selected")); event.preventDefault(); break;
case "ArrowRight": ArrowMove(1, 0); break;
case "ArrowLeft": ArrowMove(-1, 0); break;
case "ArrowUp": ArrowMove(0, -1); break;
case "ArrowDown": ArrowMove(0, 1); break;
}
}
function ArrowMove(x, y) {
if (document.querySelector(".modifying") || !document.querySelector(".selected")) {
return; // S'il n'y a aucune cellule selectionnée ou si une cellule est encours de modification, on ne change pas
}
let selected = document.querySelector(".selected");
let next = document.querySelector(`[data-x="${parseInt(selected.dataset.x) + x}"][data-y="${parseInt(selected.dataset.y) + y}"][data-editable="true"]`);
if (next) {
selectCell(next);
}
}
function keyCell(event) {
if (event.key == "Enter") {
event.preventDefault();
event.stopPropagation();
if (!save(this)) {
return
}
this.classList.remove("modifying");
ArrowMove(0, 1);
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modifCell(document.querySelector(".selected"));
}
}
/******************************/
/* Affichage d'un message */
/******************************/
function message(msg) {
var div = document.createElement("div");
div.className = "message";
div.innerHTML = msg;
document.querySelector("body").appendChild(div);
setTimeout(() => {
div.remove();
}, 3000);
}