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📄 dommenu.js

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		menuTable.cellSpacing = 0;
	}

	menuTable.style.border = 0;
	menuTable.style.borderCollapse = 'collapse';
	var menuTableBody = menuTable.appendChild(targetDoc.createElement('tbody'));

	var numSiblings = in_parentElement.data.get('numChildren');
	for (var index = 1; index <= numSiblings; index++) {
		var dataIndex = in_parentElement.data.get('level') == 1 && settings.get('verticalExpand') == 'north' && settings.get('axis') == 'horizontal' ? numSiblings + 1 - index : index;
		var menuTableCell = menuTableBody.appendChild(targetDoc.createElement('tr')).appendChild(targetDoc.createElement('td'));
		menuTableCell.style.padding = 0;
		menuTableCell.id = in_parentElement.id + '-' + dataIndex;

		// add element to list of parent children
		in_parentElement.data.get('childElements').set(menuTableCell.id, menuTableCell);

		// assign the settings to nth level element
		menuTableCell.data = in_parentElement.data.get(dataIndex);
		menuTableCell.data.merge(new Hash(
			'basename', in_parentElement.data.get('basename'),
			'parentElement', in_parentElement,
			'numChildren', menuTableCell.data.numericLength,
			'childElements', new Hash(),
			'offsets', new Hash(),
			'level', in_parentElement.data.get('level') + 1,
			'index', index
		));
		
		// assign the styles
		menuTableCell.style.cursor = 'default';
		
		var element = menuTableCell.appendChild(targetDoc.createElement('div')); 
		var outerElement = element;
		outerElement.className = settings.get('subMenuElementClass'); 

		if (menuTableCell.data.get('numChildren')) {
			element = outerElement.appendChild(targetDoc.createElement('div'));
			element.style.backgroundImage = 'url(' + settings.get('expandMenuArrowUrl') + ')';
			element.style.backgroundRepeat = 'no-repeat';
			if (settings.get('horizontalExpand') == 'east') {
				element.style.backgroundPosition = 'right center';
				element.style.paddingRight = '12px';
			}
			else {
				element.style.backgroundPosition = 'left center';
				element.style.paddingLeft = '12px';
			}
		}

		// fill in the menu item contents
		if (domLib_isMacIE) {
			// we don't support images in sub-menu elements in MacIE because in order for
			// the menu to work consistently the data has to be added with createTextNode()
			element.appendChild(targetDoc.createTextNode(menuTableCell.data.get('contents')));
			// MacIE has to have a newline and it has to be added with createTextNode!
			menuTableCell.appendChild(targetDoc.createTextNode("\n"));
		}
		else {
			element.innerHTML = menuTableCell.data.get('contents');
		}

		// attach the events
		menuTableCell.onmouseover = domMenu_openSubMenuOnmouseoverHandler;
		menuTableCell.onmouseout = domMenu_closeMenuHandler;

		if (settings.get('openClickSubMenuDelay') >= 0 && menuTableCell.data.get('numChildren')) {
			menuTableCell.onmousedown = domMenu_openSubMenuOnclickHandler;
			menuTableCell.onmouseup = domLib_cancelBubble;
			if (domLib_isIE) {
				menuTableCell.ondblclick = domMenu_openSubMenuOnclickHandler;
			}
		}
		else if (menuTableCell.data.get('uri')) {
			menuTableCell.style.cursor = domMenu_pointerStyle;
			menuTableCell.onclick = domMenu_resolveLinkHandler;
		}
		else if (!menuTableCell.data.get('numChildren')) {
			outerElement.className += ' ' + settings.get('subMenuElementHeadingClass');
		}

		// prevent highlighting of text
		if (domLib_isIE) {
			menuTableCell.onselectstart = makeFalse;
		}

		menuTableCell.oncontextmenu = makeFalse;
	}

	menu = targetDoc.body.appendChild(menu);
	domMenu_toggleSubMenu(in_parentElement, 'visible');
}

// }}}
// {{{ domMenu_changeActivePath()

/**
 * Close the old active path up to the new active element
 * and return the value of the new active element (or the same if unchanged)
 * NOTE: If the new active element is not set (false), the top level is assumed
 *
 * @return mixed new active element or false if not set
 */
function domMenu_changeActivePath(in_newActiveElement, in_oldActiveElement, in_closeDelay)
{
	// protect against crap
	if (!in_oldActiveElement && !in_newActiveElement) {
		return false;
	}

	// cancel open timeouts since we know we are opening something different now
	for (var i in domMenu_timeouts['open'].elementData) {
		domLib_clearTimeout(domMenu_timeouts['open'].get(i));
	}

	// grab some info about this menu system...will this ever be null?
	var basename = in_oldActiveElement ? in_oldActiveElement.data.get('basename') : in_newActiveElement.data.get('basename');
	var settings = domMenu_settings.get(basename);

	// build the old active path and unhighlight previously selected element, if appropriate
	var oldActivePath = new Hash();
	if (in_oldActiveElement) {
		var tmp_newActiveLevel = in_newActiveElement ? in_newActiveElement.data.get('level') : -1;
		var tmp_oldActivePathElement = in_oldActiveElement;
		do {
			// NOTE: using set() causes IE to lag and leaves behind highlighted artifacts!
			oldActivePath.elementData[tmp_oldActivePathElement.id] = tmp_oldActivePathElement; 
			// unhighlight if sibling of new element, even if it has open submenus
			if (tmp_newActiveLevel >= 0 && tmp_oldActivePathElement.data.get('level') == tmp_newActiveLevel) {
				domMenu_toggleHighlight(tmp_oldActivePathElement, false);
			}
		} while ((tmp_oldActivePathElement = tmp_oldActivePathElement.data.get('parentElement')) && tmp_oldActivePathElement.id != basename);

		// unhighlight element immediately if no submenu (or submenu is closed)
		if (!in_oldActiveElement.data.get('subMenu') || in_oldActiveElement.data.get('subMenu').style.visibility == 'hidden') {
			domMenu_toggleHighlight(in_oldActiveElement, false);
		}
	}

	// build the new path and...(explain me!)
	var newActivePath = new Hash();
	var intersectPoint;
	if (in_newActiveElement) {
		var actualActiveElement = in_newActiveElement;
		window.status = in_newActiveElement.data.get('statusText') + ' ';

		// in the event we have no old active element, just highlight new one and return
		// without setting the new active element (handled later)
		if (!in_oldActiveElement) {
			domLib_clearTimeout(domMenu_timeouts['close'].get(in_newActiveElement.id));
			domMenu_toggleHighlight(in_newActiveElement, true);
			return false;
		}
		// if the new element is in the path of the old element, then pretend event is
		// on the old active element
		else if (oldActivePath.has(in_newActiveElement.id)) {
			in_newActiveElement = in_oldActiveElement;
		}

		var tmp_newActivePathElement = in_newActiveElement;
		do {
			// if we have met up with the old active path, then record merge point
			if (!intersectPoint && oldActivePath.has(tmp_newActivePathElement.id)) {
				intersectPoint = tmp_newActivePathElement;
			}

			newActivePath.set(tmp_newActivePathElement.id, tmp_newActivePathElement); 
			domLib_clearTimeout(domMenu_timeouts['close'].get(tmp_newActivePathElement.id));
			// FIXME: this is ugly!
			if (tmp_newActivePathElement != in_oldActiveElement || actualActiveElement == in_oldActiveElement) {
				domMenu_toggleHighlight(tmp_newActivePathElement, true);
			}
		} while ((tmp_newActivePathElement = tmp_newActivePathElement.data.get('parentElement')) && tmp_newActivePathElement.id != basename);

		// if we move to the child of the old active element
		if (in_newActiveElement.data.get('parentElement') == in_oldActiveElement) {
			return in_newActiveElement;
		}
		// if the new active element is in the old active path
		else if (in_newActiveElement == in_oldActiveElement) {
			return in_newActiveElement;
		}

		// find the sibling element
		var intersectSibling;
		if (intersectPoint && oldActivePath.length > 0) {
			for (var i in oldActivePath.elementData) {
				if (oldActivePath.get(i).data.get('parentElement') == intersectPoint) {
					intersectSibling = oldActivePath.get(i);
					break;
				}
			}
		}

		var isRootLevel = in_newActiveElement.data.get('level') == 1 ? true : false;
		var closeDelay = isRootLevel ? settings.get('closeMouseoutMenuDelay') : settings.get('closeMouseoutSubMenuDelay');
	}
	else {
		var isRootLevel = false;
		var closeDelay = settings.get('closeMouseoutMenuDelay');
		window.status = window.defaultStatus;
	}

	// override the close delay with that passed in
	if (typeof(in_closeDelay) != 'undefined') {
		closeDelay = in_closeDelay;
	}

	// if there is an intersect sibling, then we need to work from there up to 
	// preserve the active path
	if (intersectSibling) {
		// only if this is not the root level to we allow the scheduled close
		// events to persist...otherwise we close immediately
		if (!isRootLevel) {
			// toggle the sibling highlight (only one sibling highlighted at a time)
			domMenu_toggleHighlight(intersectSibling, false);
		}
		// we are moving to another top level menu
		// FIXME: clean this up
		else {
			// add lingering menus outside of old active path to active path
			for (var i in domMenu_timeouts['close'].elementData) {
				if (!oldActivePath.has(i)) {
					var tmp_element = document.getElementById(i);
					if (tmp_element.data.get('basename') == basename) {
						oldActivePath.set(i, tmp_element);
					}
				}
			}
		}
	}

	// schedule the old active path to be closed
	for (var i in oldActivePath.elementData) {
		if (newActivePath.has(i)) {
			continue;
		}

		// make sure we don't double schedule here
		domLib_clearTimeout(domMenu_timeouts['close'].get(i));

		if (isRootLevel) {
			domMenu_toggleHighlight(oldActivePath.get(i), false); 
			domMenu_toggleSubMenu(oldActivePath.get(i), 'hidden');
		}
		else {
			domMenu_timeouts['close'].set(i, domLib_setTimeout(domMenu_closeMenuCallback, closeDelay, [oldActivePath.get(i), basename]));
		}
	}
	
	return in_newActiveElement;
}

// }}}
// {{{ domMenu_deactivate()

function domMenu_deactivate(in_basename, in_delay)
{
	if (!in_delay) {
		in_delay = 0;
	}

	domMenu_changeActivePath(false, domMenu_activeElement.get(in_basename), in_delay);
}

// }}}
// {{{ domMenu_openEvent()

/**
 * Handle the mouse event to open a menu
 *
 * When an event is received to open the menu, this function is
 * called, handles reinitialization of the menu state and sets
 * a timeout interval for opening the submenu (if one exists)
 */
function domMenu_openEvent(in_this, in_event, in_delayType)
{
	if (domLib_isGecko) {
		window.getSelection().removeAllRanges();
	}

	// setup the cross-browser event object and target
	var eventObj = domLib_isIE ? event : in_event;

	// ensure the event is from the correct frame
	if (domLib_isIE && in_this.data.get('level') > 1) {
		var targetFrame = domMenu_settings.get(in_this.data.get('basename')).get('subMenuTargetFrame');
		if (targetFrame) {
			eventObj = targetFrame.event;
		}
	}

	var currentTarget = domLib_isIE ? in_this : eventObj.currentTarget;
	var basename = currentTarget.data.get('basename');
	var settings = domMenu_settings.get(basename);

	// if we are moving amoungst DOM children of the same element, just ignore event
	if (eventObj.type != 'mousedown' && domMenu_getElement(eventObj[domMenu_eventFrom], basename) == currentTarget) {
		return;
	}

	// if we click on an open menu, close it
	if (eventObj.type == 'mousedown' && domMenu_activeElement.get(basename)) {
		domMenu_changeActivePath(false, domMenu_activeElement.get(basename), currentTarget.data.get('level') == 1 ? settings.get('closeClickMenuDelay') : settings.get('closeClickSubMenuDelay'));
		return;
	}

	// if this element has children, popup the child menu
	if (currentTarget.data.get('numChildren')) {
		// the top level menus have no delay when moving between them
		// so activate submenu immediately
		if (currentTarget.data.get('level') == 1 && domMenu_activeElement.get(basename)) {
			// ** I place changeActivePath() call here so the hiding of selects does not flicker **
			// THOUGHT: instead I could tell changeActivePath to clear select ownership but not
			// toggle visibility....hmmm....
			domMenu_activateSubMenu(currentTarget);
			// clear the active path and initialize the new one
			domMenu_activeElement.set(basename, domMenu_changeActivePath(currentTarget, domMenu_activeElement.get(basename)));
		}
		else {
			// clear the active path and initialize the new one
			domMenu_activeElement.set(basename, domMenu_changeActivePath(currentTarget, domMenu_activeElement.get(basename)));
			domMenu_timeouts['open'].set(currentTarget.id, domLib_setTimeout(domMenu_openMenuCallback, settings.get(in_delayType), [currentTarget, basename]));
		}
	}
	else {
		// clear the active path and initialize the new one
		domMenu_activeElement.set(basename, domMenu_changeActivePath(currentTarget, domMenu_activeElement.get(basename)));
	}
}

// }}}
// {{{ domMenu_closeEvent()

/**
 * Handle the mouse event to close a menu
 *
 * When an mouseout event is received to close the menu, this function is
 * called, sets a timeout interval for closing the menu.
 */
function domMenu_closeEvent(in_this, in_event)
{
	// setup the cross-browser event object and target
	var eventObj = domLib_isIE ? event : in_event;

	// ensure the event is from the correct frame
	if (domLib_isIE && in_this.data.get('level') > 1) {
		var targetFrame = domMenu_settings.get(in_this.data.get('basename')).get('subMenuTargetFrame');
		if (targetFrame) {
			eventObj = targetFrame.event;
		}
	}

	var currentTarget = domLib_isIE ? in_this : eventObj.currentTarget;
	var basename = currentTarget.data.get('basename');
	var relatedTarget = domMenu_getElement(eventObj[domMenu_eventTo], basename);

	// if the related target is not a menu element then we left the menu system
	// at this point (or cannot discern where we are in the menu)
	if (domMenu_activeElement.get(basename)) {
		if (!relatedTarget) {
			domMenu_changeActivePath(false, domMenu_activeElement.get(basename));
		}

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