74 lines
1.8 KiB
JavaScript
74 lines
1.8 KiB
JavaScript
/*
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* Open a menu.
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*/
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function openMenu(anchor, menu) {
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menu.style.display = "block";
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menu.clonePosition(anchor, {
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setLeft: true, setTop: true, setWidth: false, setHeight: false,
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offsetLeft: 0, offsetTop: anchor.getHeight()
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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.style.display = "none";
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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) {
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if (!anchor.hasClassName("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) }, delay);
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} else {
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openMenu(event, menu);
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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 (to != menu && !to.descendantOf(menu)) {
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menu.style.display = "none";
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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 (to != anchor && !to.descendantOf(menu)) {
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menu.style.display = "none";
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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) {
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var anchor = $(anchorid);
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var menu = $(menuid);
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anchor.observe("mouseup", function (event) { closeMenu(menu) });
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anchor.observe("mouseover", function (event) { enterMenuAnchor(anchor, anchor, menu, delay) });
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anchor.observe("mouseout", function (event) { leaveMenuAnchor(event, anchor, menu) });
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menu.observe("mouseup", function (event) { closeMenu(menu) });
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menu.observe("mouseout", function (event) { leaveMenu(event, anchor, menu) });
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}
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