86 lines
2.9 KiB
JavaScript
86 lines
2.9 KiB
JavaScript
class Contextmenu {
|
|
static currentmenu;
|
|
name;
|
|
buttons;
|
|
div;
|
|
static setup() {
|
|
Contextmenu.currentmenu = "";
|
|
document.addEventListener("click", event => {
|
|
if (Contextmenu.currentmenu == "") {
|
|
return;
|
|
}
|
|
if (!Contextmenu.currentmenu.contains(event.target)) {
|
|
Contextmenu.currentmenu.remove();
|
|
Contextmenu.currentmenu = "";
|
|
}
|
|
});
|
|
}
|
|
constructor(name) {
|
|
this.name = name;
|
|
this.buttons = [];
|
|
}
|
|
addbutton(text, onclick, img = null, shown = _ => true, enabled = _ => true) {
|
|
this.buttons.push([text, onclick, img, shown, enabled, "button"]);
|
|
return {};
|
|
}
|
|
addsubmenu(text, onclick, img = null, shown = _ => true, enabled = _ => true) {
|
|
this.buttons.push([text, onclick, img, shown, enabled, "submenu"]);
|
|
return {};
|
|
}
|
|
makemenu(x, y, addinfo, other) {
|
|
const div = document.createElement("div");
|
|
div.classList.add("contextmenu", "flexttb");
|
|
let visibleButtons = 0;
|
|
for (const thing of this.buttons) {
|
|
if (!thing[3].bind(addinfo)(other))
|
|
continue;
|
|
visibleButtons++;
|
|
const intext = document.createElement("button");
|
|
intext.disabled = !thing[4].bind(addinfo)(other);
|
|
intext.classList.add("contextbutton");
|
|
intext.textContent = thing[0];
|
|
console.log(thing);
|
|
if (thing[5] === "button" || thing[5] === "submenu") {
|
|
intext.onclick = thing[1].bind(addinfo, other);
|
|
}
|
|
div.appendChild(intext);
|
|
}
|
|
if (visibleButtons == 0)
|
|
return;
|
|
if (Contextmenu.currentmenu != "") {
|
|
Contextmenu.currentmenu.remove();
|
|
}
|
|
div.style.top = y + "px";
|
|
div.style.left = x + "px";
|
|
document.body.appendChild(div);
|
|
Contextmenu.keepOnScreen(div);
|
|
console.log(div);
|
|
Contextmenu.currentmenu = div;
|
|
return this.div;
|
|
}
|
|
bindContextmenu(obj, addinfo, other) {
|
|
const func = event => {
|
|
event.preventDefault();
|
|
event.stopImmediatePropagation();
|
|
this.makemenu(event.clientX, event.clientY, addinfo, other);
|
|
};
|
|
obj.addEventListener("contextmenu", func);
|
|
return func;
|
|
}
|
|
static keepOnScreen(obj) {
|
|
const html = document.documentElement.getBoundingClientRect();
|
|
const docheight = html.height;
|
|
const docwidth = html.width;
|
|
const box = obj.getBoundingClientRect();
|
|
console.log(box, docheight, docwidth);
|
|
if (box.right > docwidth) {
|
|
console.log("test");
|
|
obj.style.left = docwidth - box.width + "px";
|
|
}
|
|
if (box.bottom > docheight) {
|
|
obj.style.top = docheight - box.height + "px";
|
|
}
|
|
}
|
|
}
|
|
Contextmenu.setup();
|
|
export { Contextmenu };
|