openstreetmap-website/app/assets/javascripts/menu.js

49 lines
1.1 KiB
JavaScript

/*
* Open a menu.
*/
function openMenu(anchor, menu, align) {
var anchorPosition = anchor.offset();
var offset;
if (align == "left") {
offset = 0;
} else if (align == "right") {
offset = menu.outerWidth() - anchor.outerWidth();
}
menu.show();
menu.offset({
top: anchorPosition.top + anchor.outerHeight(),
left: anchorPosition.left - offset
});
}
/*
* Setup a menu, triggered by hovering over an anchor for a given time.
*/
function createMenu(anchorid, menuid, align) {
var $anchor = $("#" + anchorid);
var $arrow = $("#" + anchorid + " .menuicon");
var $menu = $("#" + menuid);
var $page = $(":not(#" + menuid + ", #" + anchorid + ")");
function hide() {
$menu.hide();
$page.off("click", hide);
}
$arrow.click(function(e) {
if ($anchor.is(":not(.disabled)")) {
e.stopPropagation();
e.preventDefault();
if ($menu.is(":visible")) {
$menu.hide();
$page.off("click", hide);
} else {
openMenu($anchor, $menu.show(), align);
$page.on("click", hide);
}
}
});
}