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khosb/includes/phplayers/libjs/layersmenu.js

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JavaScript
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// PHP Layers Menu 3.2.0-rc (C) 2001-2004 Marco Pratesi - http://www.marcopratesi.it/
useTimeouts = 1;
timeoutLength = 1000; // time in ms; not significant if useTimeouts = 0;
shutdownOnClick = 0;
loaded = 0;
layersMoved = 0;
layerPoppedUp = '';
timeoutFlag = 0;
if (Opera56 || IE4) {
useTimeouts = 0;
}
if (NS4 || Opera56 || IE4) {
shutdownOnClick = 1;
}
currentY = 0;
function grabMouse(e) // for NS4
{
currentY = e.pageY;
}
if (NS4) {
document.captureEvents(Event.MOUSEDOWN | Event.MOUSEMOVE);
document.onmousemove = grabMouse;
}
function seeThroughElements(show)
{
if (show) {
foobar = 'visible';
} else {
foobar = 'hidden';
}
for (i=0; i<toBeHidden.length; i++) {
toBeHidden[i].style.visibility = foobar;
}
}
function shutdown()
{
for (i=0; i<numl; i++) {
LMPopUpL(listl[i], false);
}
layerPoppedUp = '';
if (Konqueror || IE5) {
seeThroughElements(true);
}
}
if (shutdownOnClick) {
if (NS4) {
document.onmousedown = shutdown;
} else {
document.onclick = shutdown;
}
}
function setLMTO()
{
if (useTimeouts) {
timeoutFlag = setTimeout('shutdown()', timeoutLength);
}
}
function clearLMTO()
{
if (useTimeouts) {
clearTimeout(timeoutFlag);
}
}
function moveLayerX(menuName)
{
if (!loaded || (isVisible(menuName) && menuName != layerPoppedUp)) {
return;
}
if (father[menuName] != '') {
if (!Opera5 && !IE4) {
width0 = lwidth[father[menuName]];
width1 = lwidth[menuName];
} else if (Opera5) {
// Opera 5 stupidly and exaggeratedly overestimates layers widths
// hence we consider a default value equal to $abscissaStep
width0 = abscissaStep;
width1 = abscissaStep;
} else if (IE4) {
width0 = getOffsetWidth(father[menuName]);
width1 = getOffsetWidth(menuName);
}
onLeft = getOffsetLeft(father[menuName]) - width1 + menuLeftShift;
onRight = getOffsetLeft(father[menuName]) + width0 - menuRightShift;
windowWidth = getWindowWidth();
windowXOffset = getWindowXOffset();
// if (NS4 && !DOM) {
// windowXOffset = 0;
// }
if (onLeft < windowXOffset && onRight + width1 > windowWidth + windowXOffset) {
if (onRight + width1 - windowWidth - windowXOffset > windowXOffset - onLeft) {
onLeft = windowXOffset;
} else {
onRight = windowWidth + windowXOffset - width1;
}
}
if (back[father[menuName]]) {
if (onLeft < windowXOffset) {
back[menuName] = 0;
} else {
back[menuName] = 1;
}
} else {
//alert(onRight + ' - ' + width1 + ' - ' + windowWidth + ' - ' + windowXOffset);
if (onRight + width1 > windowWidth + windowXOffset) {
back[menuName] = 1;
} else {
back[menuName] = 0;
}
}
if (back[menuName]) {
setLeft(menuName, onLeft);
} else {
setLeft(menuName, onRight);
}
}
moveLayerY(menuName); // workaround needed for Mozilla < 1.4 for MS Windows
}
function moveLayerY(menuName)
{
if (!loaded || (isVisible(menuName) && menuName != layerPoppedUp)) {
return;
}
if (!layersMoved) {
moveLayers();
layersMoved = 1;
}
if (!NS4) {
newY = getOffsetTop('ref' + menuName);
} else {
newY = currentY;
}
newY += menuTopShift;
layerHeight = getOffsetHeight(menuName);
windowHeight = getWindowHeight();
windowYOffset = getWindowYOffset();
if (newY + layerHeight > windowHeight + windowYOffset) {
if (layerHeight > windowHeight) {
newY = windowYOffset;
} else {
newY = windowHeight + windowYOffset - layerHeight;
}
}
if (Math.abs(getOffsetTop(menuName) - newY) > thresholdY) {
setTop(menuName, newY);
}
}
function moveLayerX1(menuName, father)
{
if (!lwidthDetected) {
return;
}
if (!Opera5 && !IE4) {
width1 = lwidth[menuName];
} else if (Opera5) {
// Opera 5 stupidly and exaggeratedly overestimates layers widths
// hence we consider a default value equal to $abscissaStep
width1 = abscissaStep;
}
foobar = getOffsetLeft(father + menuName);
if (!IE4) {
windowWidth = getWindowWidth();
windowXOffset = getWindowXOffset();
if (foobar + width1 > windowWidth + windowXOffset) {
foobar = windowWidth + windowXOffset - width1;
}
if (foobar < windowXOffset) {
foobar = windowXOffset;
}
}
setLeft(menuName, foobar);
}
function layersOverlap(layer, i)
{
if (Konqueror22) {
return true;
}
// xa1 = getOffsetLeft(layer);
//setLeft(layer, xa1);
xa1 = layerLeft[layer];
xa2 = xa1 + getOffsetWidth(layer);
//setWidth(layer, xa2-xa1);
// ya1 = getOffsetTop(layer);
//setTop(layer, ya1);
ya1 = layerTop[layer];
ya2 = ya1 + getOffsetHeight(layer);
//setHeight(layer, ya2-ya1);
//alert(':' + xa1 + ':' + xa2 + ':' + ya1 + ':' + ya2 + ':');
xb1 = toBeHiddenLeft[i];
xb2 = xb1 + toBeHidden[i].offsetWidth;
yb1 = toBeHiddenTop[i];
yb2 = yb1 + toBeHidden[i].offsetHeight;
//alert(':' + xb1 + ':' + xb2 + ':' + yb1 + ':' + yb2 + ':');
if(xb1>xa1) xa1=xb1; if(xb2<xa2) xa2=xb2;
if(yb1>ya1) ya1=yb1; if(yb2<ya2) ya2=yb2;
return (xa2>xa1 && ya2>ya1);
}
function seeThroughWorkaround(menuName, on)
{
for (i=0; i<toBeHidden.length; i++) {
if (layersOverlap(menuName, i)) {
if (on) {
toBeHidden[i].style.visibility = 'hidden';
} else {
toBeHidden[i].style.visibility = 'visible';
}
}
}
}
function LMPopUpL(menuName, on)
{
if (!loaded) {
return;
}
if (!layersMoved) {
moveLayers();
layersMoved = 1;
}
setVisibility(menuName, on);
}
function LMPopUp(menuName, isCurrent)
{
if (!loaded || menuName == layerPoppedUp || (isVisible(menuName) && !isCurrent)) {
return;
}
if (menuName == father[layerPoppedUp]) {
LMPopUpL(layerPoppedUp, false);
// seeThroughWorkaround(menuName, false);
} else if (father[menuName] == layerPoppedUp) {
LMPopUpL(menuName, true);
seeThroughWorkaround(menuName, true);
} else {
shutdown();
foobar = menuName;
do {
LMPopUpL(foobar, true);
seeThroughWorkaround(foobar, true);
foobar = father[foobar];
} while (foobar != '')
}
/*
if (layerPoppedUp == '') {
seeThroughElements(false);
}
*/
layerPoppedUp = menuName;
}
function resizeHandler()
{
if (NS4) {
window.location.reload();
}
shutdown();
for (i=0; i<numl; i++) {
setLeft(listl[i], 0);
setTop(listl[i], 0);
}
if (toBeHidden != null && toBeHidden.length > 0) {
seeThroughCoordinatesDetection();
}
// moveLayers();
layersMoved = 0;
}
window.onresize = resizeHandler;
function yaresizeHandler()
{
if (window.innerWidth != origWidth || window.innerHeight != origHeight) {
if (Konqueror22 || Opera5) {
window.location.reload(); // Opera 5 often fails this
}
origWidth = window.innerWidth;
origHeight = window.innerHeight;
resizeHandler();
}
setTimeout('yaresizeHandler()', 500);
}
function loadHandler()
{
if (Konqueror22 || Opera56) {
origWidth = window.innerWidth;
origHeight = window.innerHeight;
yaresizeHandler();
}
}
window.onload = loadHandler;
function fixieflm(menuName)
{
if (DOM) {
setWidth(menuName, '100%');
} else { // IE4 IS SIMPLY A BASTARD !!!
document.write('</div>');
document.write('<div id="IE4' + menuName + '" style="position: relative; width: 100%; visibility: visible;">');
}
}