83 lines
1.8 KiB
JavaScript
83 lines
1.8 KiB
JavaScript
/*
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* Open a menu.
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*/
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function openMenu(anchor, menu, align) {
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var anchorPosition = anchor.offset();
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var offset;
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if (align == "left") {
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offset = 0;
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} else if (align == "right") {
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offset = menu.outerWidth() - anchor.outerWidth();
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}
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menu.show();
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menu.offset({
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top: anchorPosition.top + anchor.outerHeight(),
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left: anchorPosition.left - offset
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});
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}
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/*
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* Close a menu.
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*/
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function closeMenu(menu) {
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clearTimeout(menu.timer);
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menu.hide();
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}
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/*
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* Callback called when the mouse enters a menu anchor.
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*/
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function enterMenuAnchor(event, anchor, menu, delay, align) {
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if (!anchor.hasClass("disabled")) {
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clearTimeout(menu.timer);
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if (delay > 0) {
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menu.timer = setTimeout(function () { openMenu(anchor, menu, align) }, delay);
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} else {
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openMenu(event, menu, align);
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}
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}
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}
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/*
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* Callback called when the mouse leaves a menu anchor.
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*/
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function leaveMenuAnchor(event, anchor, menu) {
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var to = event.relatedTarget;
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if (!menu.is(to) && menu.has(to).length == 0) {
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menu.hide();
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}
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clearTimeout(menu.timer);
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}
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/*
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* Callback called when the mouse leaves a menu.
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*/
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function leaveMenu(event, anchor, menu) {
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var to = event.relatedTarget;
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if (!anchor.is(to) && menu.has(to).length == 0) {
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menu.hide();
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}
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clearTimeout(menu.timer);
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}
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/*
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* Setup a menu, triggered by hovering over an anchor for a given time.
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*/
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function createMenu(anchorid, menuid, delay, align) {
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var anchor = $("#" + anchorid);
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var menu = $("#" + menuid);
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anchor.mouseup(function (event) { closeMenu(menu) });
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anchor.mouseover(function (event) { enterMenuAnchor(anchor, anchor, menu, delay, align) });
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anchor.mouseout(function (event) { leaveMenuAnchor(event, anchor, menu) });
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menu.mouseup(function (event) { closeMenu(menu) });
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menu.mouseout(function (event) { leaveMenu(event, anchor, menu) });
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}
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