49 lines
1.3 KiB
JavaScript
49 lines
1.3 KiB
JavaScript
const contextmenus = {};
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contextmenus.background_click =
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function background_click(event)
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{
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const contextmenu = event.target.closest(".contextmenu");
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if (! contextmenu)
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{
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contextmenus.hide_open_menus();
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return true;
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}
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}
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contextmenus.hide_open_menus =
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function hide_open_menus()
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{
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const elements = document.getElementsByClassName("open_contextmenu");
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while (elements.length > 0)
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{
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elements[0].classList.remove("open_contextmenu");
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}
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}
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contextmenus.menu_is_open =
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function menu_is_open()
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{
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return document.getElementsByClassName("open_contextmenu").length > 0;
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}
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contextmenus.show_menu =
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function show_menu(event, menu)
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{
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contextmenus.hide_open_menus();
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menu.classList.add("open_contextmenu");
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const html = document.documentElement;
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const over_right = Math.max(0, event.clientX + menu.offsetWidth - html.clientWidth);
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const over_bottom = Math.max(0, event.clientY + menu.offsetHeight - html.clientHeight);
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const left = event.clientX - over_right;
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const top = event.pageY - over_bottom;
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menu.style.left = left + "px";
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menu.style.top = top + "px";
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}
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function on_pageload()
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{
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document.body.addEventListener("click", contextmenus.background_click);
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}
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document.addEventListener("DOMContentLoaded", on_pageload);
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