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Internet News 1999 February
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InternetNews_1999_02.iso
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pc
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dynamicHtml
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Esempi9807
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Esempio 2
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menu.js
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1998-01-25
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11KB
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467 lines
if (perCentOver != null) {
childOverlap = (perCentOver/100) * menuWidth
}
mSecsVis = secondsVisible*1000;
semi = ";";
styleStr = "<STYLE TYPE='text/css'>"
styleStr += ".items {"
styleStr += "width:" + menuWidth + semi
styleStr += "color:"+ fntCol + semi
styleStr += "font-size:"+ fntSiz + semi
styleStr += "font-weight:"+ fntWgh + semi
styleStr += "font-style:"+ fntSty + semi
styleStr += "font-family:"+ fntFam + semi
styleStr += "border-width:" + borWid + semi
styleStr += "border-color:" + borCol + semi
styleStr += "border-style:" + borSty + semi
styleStr += "line-height:" + linHgt + semi
styleStr += "}"
styleStr += "</STYLE>";
document.write(styleStr);
imgStr = "<IMG SRC=" + imgSrc + " WIDTH=" + imgSiz + " HEIGHT=" + imgSiz +" BORDER=0 VSPACE=2 ALIGN=RIGHT>"
topCount = 1;
areCreated = false;
isOverMenu = false;
currentMenu = null;
allTimer = null;
function menuSetup(hasParent,lastItem,openCont,openItem) {
this.menuOver = menuOver;
this.menuOut = menuOut;
this.onmouseover = this.menuOver;
this.onmouseout = this.menuOut;
this.showIt = showIt;
this.keepInWindow = keepInWindow;
this.hideTree = hideTree
this.hideParents = hideParents;
this.hideChildren = hideChildren;
this.hideTop = hideTop;
this.hasChildVisible = false;
this.isOn = false;
this.hideTimer = null;
if (hasParent) {
this.hasParent = true;
this.parentMenu = openCont;
this.parentItem = openItem;
this.parentItem.child = this;
}
else {
this.hasParent = false;
this.hideSelf = hideSelf;
}
if (NS4) {
this.fullHeight = lastItem.top + lastItem.document.height;
this.clip.bottom = this.fullHeight;
}
else {
this.fullHeight = lastItem.style.pixelTop + lastItem.offsetHeight;
this.showIt(false);
this.onselectstart = cancelSelect;
this.moveTo = moveTo;
this.moveTo(0,0);
}
}
function itemSetup(arrayPointer,whichArray) {
this.itemOver = itemOver;
this.itemOut = itemOut;
this.onmouseover = this.itemOver;
this.onmouseout = this.itemOut;
this.dispText = whichArray[arrayPointer];
this.linkText = whichArray[arrayPointer + 1];
this.hasMore = whichArray[arrayPointer + 2];
if (this.linkText.length > 0) {
this.linkIt = linkIt;
if (NS4) {
this.onfocus = this.linkIt;
}
else {
this.onclick = this.linkIt;
this.style.cursor = "hand";
}
}
if (this.hasMore) {
htmStr = imgStr + this.dispText;
}
else {
htmStr = this.dispText;
}
if (NS4) {
layStr = "<SPAN CLASS=items>" + htmStr+ "</SPAN>";
this.document.write(layStr);
this.document.close();
this.bgColor = backCol;
this.clip.right = menuWidth;
this.visibility = "inherit";
this.container = this.parentLayer;
if (arrayPointer == 0) {
this.top = 0;
}
else {
this.top = this.prevItem.top + this.prevItem.document.height - borWid;
}
this.left = 0;
}
else {
this.className = "items";
this.style.padding = 3;
this.innerHTML = htmStr;
this.style.backgroundColor = backCol;
this.container = this.offsetParent;
if (arrayPointer == 0) {
this.style.pixelTop = 0;
}
else {
this.style.pixelTop = this.prevItem.style.pixelTop + this.prevItem.offsetHeight - borWid;
}
this.style.pixelLeft = 0;
}
}
function makeElement(whichEl,whichContainer) {
if (arguments.length==1)
whichContainer = (NS4) ? window : document.body;
if (NS4) {
eval(whichEl + "= new Layer(menuWidth,whichContainer)");
}
else {
elStr = "<DIV ID=" + whichEl + " STYLE='position:absolute'></DIV>";
whichContainer.insertAdjacentHTML("BeforeEnd",elStr);
}
return eval(whichEl);
}
function makeTop() {
while(eval("window.arMenu" + topCount)) {
topArray = eval("arMenu" + topCount);
topName = "elMenu" + topCount;
topMenu = makeElement(topName);
topMenu.setup = menuSetup;
topItemCount = 0;
for (i=0; i<topArray.length; i+=3) {
topItemCount++;
status = "Creazione menu in corso, attendere per favore: " + topCount + " / " + topItemCount;
topItemName = "item" + topCount + "_" + topItemCount;
topItem = makeElement(topItemName,topMenu);
if (topItemCount >1)
topItem.prevItem = eval("item" + topCount + "_" + (topItemCount-1));
topItem.setup = itemSetup;
topItem.setup(i,topArray);
if (topItem.hasMore) makeSecond();
}
topMenu.setup(false,topItem);
topCount++
}
status = (topCount-1) + " Creazione del menu completata"
areCreated = true;
}
function makeSecond() {
secondCount = topCount + "_" + topItemCount;
secondArray = eval("arMenu" + secondCount);
secondName = "elChild" + secondCount;
secondMenu = makeElement(secondName);
secondMenu.setup = menuSetup;
secondItemCount=0;
for (j=0; j<secondArray.length; j+=3) {
secondItemCount++;
secondItemName = "item" + secondCount +"_" + secondItemCount;
secondItem = makeElement(secondItemName,secondMenu)
if (secondItemCount >1)
secondItem.prevItem = eval("item" + secondCount + "_" + (secondItemCount-1));
secondItem.setup = itemSetup;
secondItem.setup(j,secondArray);
if (secondItem.hasMore) makeThird();
}
secondMenu.setup(true,secondItem,topMenu,topItem);
}
function makeThird() {
thirdCounter = secondCount + "_" + secondItemCount
thirdArray = eval("arMenu" + thirdCounter);
thirdName = "elGrandChild" + thirdCounter;
thirdMenu = makeElement(thirdName)
thirdMenu.setup = menuSetup;
thirdItemCount=0;
for (k=0; k<thirdArray.length; k+=3) {
thirdItemCount++;
thirdItemName = "item" + thirdCounter + "_" + thirdItemCount;
thirdItem = makeElement(thirdItemName,thirdMenu);
if (thirdItemCount >1)
thirdItem.prevItem = eval("item" + thirdCounter + "_" +(thirdItemCount-1));
thirdItem.setup = itemSetup;
thirdItem.setup(k,thirdArray);
}
thirdMenu.setup(true,thirdItem,secondMenu,secondItem);
}
function linkIt() {
location.href = this.linkText;
}
function showIt(on) {
if (NS4) {this.visibility = (on) ? "show" : "hide"}
else {this.style.visibility = (on) ? "visible" : "hidden"}
}
function keepInWindow() {
scrBars = 20;
if (NS4) {
winRight = (window.pageXOffset + window.innerWidth) - scrBars;
rightPos = this.left + menuWidth;
if (rightPos > winRight) {
if (this.hasParent) {
parentLeft = this.parentMenu.left;
newLeft = ((parentLeft-menuWidth) + childOverlap);
this.left = newLeft;
}
else {
dif = rightPos - winRight;
this.left -= dif;
}
}
winBot = (window.pageYOffset + window.innerHeight) - scrBars;
botPos = this.top + this.fullHeight;
if (botPos > winBot) {
dif = botPos - winBot;
this.top -= dif;
}
}
else {
winRight = (document.body.scrollLeft + document.body.clientWidth) - scrBars;
rightPos = this.style.pixelLeft + menuWidth;
if (rightPos > winRight) {
if (this.hasParent) {
parentLeft = this.parentMenu.style.pixelLeft;
newLeft = ((parentLeft - menuWidth) + childOverlap);
this.style.pixelLeft = newLeft;
}
else {
dif = rightPos - winRight;
this.style.pixelLeft -= dif;
}
}
winBot = (document.body.scrollTop + document.body.clientHeight) - scrBars;
botPos = this.style.pixelTop + this.fullHeight;
if (botPos > winBot) {
dif = botPos - winBot;
this.style.pixelTop -= dif;
}
}
}
function popUp(menuName,e){
if (!areCreated) return;
hideAll();
currentMenu = eval(menuName);
xPos = (NS4) ? e.pageX : event.x;
yPos = (NS4) ? e.pageY : event.y;
currentMenu.moveTo(xPos,yPos);
currentMenu.keepInWindow()
currentMenu.isOn = true;
currentMenu.showIt(true);
}
function popDown(menuName){
if (!areCreated) return;
whichEl = eval(menuName);
whichEl.isOn = false;
whichEl.hideTop();
}
function menuOver() {
this.isOn = true;
isOverMenu = true;
currentMenu = this;
if (this.hideTimer) clearTimeout(this.hideTimer);
}
function menuOut() {
if (IE4 && event.srcElement.contains(event.toElement)) return;
this.isOn = false;
isOverMenu = false;
if (IE4) allTimer = setTimeout("currentMenu.hideTree()",10);
}
function itemOver(){
if (IE4 && event.srcElement.tagName == "IMG") return;
if (NS4) {
this.bgColor = overCol;
}
else {
this.style.backgroundColor = overCol;
this.style.color = overFnt;
}
if (this.container.hasChildVisible) {
this.container.hideChildren(this);
}
if(this.hasMore) {
if (NS4) {
this.childX = this.container.left + (menuWidth - childOverlap);
this.childY = this.pageY + childOffset;
}
else {
this.childX = this.container.style.pixelLeft + (menuWidth - childOverlap);
this.childY = this.style.pixelTop + this.container.style.pixelTop + childOffset;
}
this.child.moveTo(this.childX,this.childY);
this.child.keepInWindow();
this.container.hasChildVisible = true;
this.container.visibleChild = this.child;
this.child.showIt(true);
}
}
function itemOut() {
if (IE4 && (event.srcElement.contains(event.toElement)
|| (event.fromElement.tagName=="IMG" && event.toElement.contains(event.fromElement))))
return;
if (NS4) {
this.bgColor = backCol;
if (!isOverMenu) {
allTimer = setTimeout("currentMenu.hideTree()",10);
}
}
else {
this.style.backgroundColor = backCol;
this.style.color = fntCol;
}
}
function hideAll() {
for(i=1; i<topCount; i++) {
temp = eval("elMenu" + i);
temp.isOn = false;
if (temp.hasChildVisible) temp.hideChildren();
temp.showIt(false);
}
}
function hideTree() {
allTimer = null;
if (isOverMenu) return;
if (this.hasChildVisible) {
this.hideChildren();
}
this.hideParents();
}
function hideChildren(item) {
if (this.visibleChild.hasChildVisible) {
this.visibleChild.visibleChild.showIt(false);
this.visibleChild.hasChildVisible = false;
}
if (!this.isOn || !item.hasMore || this.visibleChild != this.child) {
this.visibleChild.showIt(false);
this.hasChildVisible = false;
}
}
function hideParents() {
if (this.hasParent) {
this.showIt(false);
if (this.parentMenu.hasParent) {
this.parentMenu.isOn = false;
this.parentMenu.showIt(false);
this.parentMenu.parentMenu.isOn = false;
whichEl = this.parentMenu.parentMenu
}
else {
this.parentMenu.isOn = false;
whichEl = this.parentMenu;
}
}
else {
whichEl = this;
}
whichEl.hideTop();
}
function hideTop() {
whichEl = this;
this.hideTimer = setTimeout("whichEl.hideSelf()",mSecsVis);
}
function hideSelf() {
this.hideTimer = null;
if (!this.isOn && !isOverMenu) {
this.showIt(false);
}
}
function cancelSelect(){return false}
function moveTo(xPos,yPos) {
this.style.pixelLeft = xPos;
this.style.pixelTop = yPos;
}
window.onload = makeTop;