80 lines
2.6 KiB
JavaScript
80 lines
2.6 KiB
JavaScript
class Contextmenu {
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static currentmenu;
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name;
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buttons;
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div;
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static setup() {
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Contextmenu.currentmenu = "";
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document.addEventListener('click', function (event) {
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if (Contextmenu.currentmenu == "") {
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return;
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}
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if (!Contextmenu.currentmenu.contains(event.target)) {
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Contextmenu.currentmenu.remove();
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Contextmenu.currentmenu = "";
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}
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});
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}
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constructor(name) {
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this.name = name;
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this.buttons = [];
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}
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addbutton(text, onclick, img = null, shown = _ => true, enabled = _ => true) {
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this.buttons.push([text, onclick, img, shown, enabled]);
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return {};
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}
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makemenu(x, y, addinfo, obj) {
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const div = document.createElement("table");
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div.classList.add("contextmenu");
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for (const thing of this.buttons) {
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if (!thing[3](addinfo)) {
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continue;
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}
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const textb = document.createElement("tr");
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const intext = document.createElement("button");
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intext.disabled = !thing[4]();
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textb["button"] = intext;
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intext.classList.add("contextbutton");
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intext.textContent = thing[0];
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textb.appendChild(intext);
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console.log(thing);
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intext.onclick = thing[1].bind(addinfo, obj);
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div.appendChild(textb);
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}
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if (Contextmenu.currentmenu != "") {
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Contextmenu.currentmenu.remove();
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}
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div.style.top = y + 'px';
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div.style.left = x + 'px';
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document.body.appendChild(div);
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Contextmenu.keepOnScreen(div);
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console.log(div);
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Contextmenu.currentmenu = div;
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return this.div;
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}
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bind(obj, addinfo = undefined) {
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const func = (event) => {
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event.preventDefault();
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event.stopImmediatePropagation();
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this.makemenu(event.clientX, event.clientY, addinfo, obj);
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};
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obj.addEventListener("contextmenu", func);
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return func;
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}
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static keepOnScreen(obj) {
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const html = document.documentElement.getBoundingClientRect();
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const docheight = html.height;
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const docwidth = html.width;
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const box = obj.getBoundingClientRect();
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console.log(box, docheight, docwidth);
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if (box.right > docwidth) {
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console.log("test");
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obj.style.left = docwidth - box.width + 'px';
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}
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if (box.bottom > docheight) {
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obj.style.top = docheight - box.height + 'px';
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}
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}
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}
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Contextmenu.setup();
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export { Contextmenu as Contextmenu };
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