Ik heb het mooie scroll.js gebruikt in een website:
Dit wordt in zijn geheel in een iframe op een pagina gebruikt. Ik wil nu alleen ook erg graag willen kunnen scrollen met het scroll wheeltje van mn muis, dit lukt alleen niet. Moet er iets gebeuren met if(parent.scroll) o.i.d.?
Alvast bedankt
code:
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| // Browser detection
var dom = document.getElementById ? true:false;
var nn4 = document.layers ? true:false;
var ie4 = document.all ? true:false;
var mouseY; // Mouse Y position onclick
var mouseX; // Mouse X position onclick
var clickUp = false; // If click on up-arrow
var clickDown = false; // If click on down-arrow
var clickDrag = false; // If click on scrollbar
var clickAbove = false; // If click above scrollbar
var clickBelow = false; // If click below scrollbar
var timer = setTimeout("",500); // Repeat variable
var upL; // Up-arrow X
var upT; // Up-arrow Y
var downL; // Down-arrow X
var downT; // Down-arrow Y
var dragL; // Scrollbar X
var dragT; // Scrollbar Y
var rulerL; // Ruler X
var rulerT; // Ruler Y
var contentT; // Content layer Y;
var contentH; // Content height
var contentClipH; // Content clip height
var scrollLength; // Number of pixels scrollbar should move
var startY; // Keeps track of offset between mouse and span
// Mousedown
function down(e){
if((document.layers && e.which!=1) || (document.all && event.button!=1)) return true; // Enables the right mousebutton
getMouse(e);
startY = (mouseY - dragT);
// If click on up-arrow
if(mouseX >= upL && (mouseX <= (upL + upW)) && mouseY >= upT && (mouseY <= (upT + upH))){
clickUp = true;
return scrollUp();
}
// Else if click on down-arrow
else if(mouseX >= downL && (mouseX <= (downL + downW)) && mouseY >= downT && (mouseY <= (downT + downH))){
clickDown = true;
return scrollDown();
}
// Else if click on scrollbar
else if(mouseX >= dragL && (mouseX <= (dragL + dragW)) && mouseY >= dragT && (mouseY <= (dragT + dragH))){
clickDrag = true;
return false;
}
else if(mouseX >= dragL && (mouseX <= (dragL + dragW)) && mouseY >= rulerT && (mouseY <= (rulerT + scrollH))){
// If click above drag
if(mouseY < dragT){
clickAbove = true;
clickUp = true;
return scrollUp();
}
// Else click below drag
else{
clickBelow = true;
clickDown = true;
return scrollDown();
}
}
// If no scrolling is to take place
else{
return true;
}
}
// Drag function
function move(e){
if(clickDrag && contentH > contentClipH){
getMouse(e);
dragT = (mouseY - startY);
if(dragT < (rulerT))
dragT = rulerT;
if(dragT > (rulerT + scrollH - dragH))
dragT = (rulerT + scrollH - dragH);
contentT = ((dragT - rulerT)*(1/scrollLength));
contentT = eval('-' + contentT);
moveTo();
}
// So ie-pc doesn't select gifs
if(ie4)
return false;
}
function up(){
clearTimeout(timer);
// Resetting variables
clickUp = false;
clickDown = false;
clickDrag = false;
clickAbove = false;
clickBelow = false;
return true;
}
// Reads content layer top
function getT(){
if(ie4)
contentT = document.all.content.style.pixelTop;
else if(nn4)
contentT = document.contentClip.document.content.top;
else if(dom)
contentT = parseInt(document.getElementById("content").style.top);
}
// Reads mouse X and Y coordinates
function getMouse(e){
if(ie4){
mouseY = event.clientY;
mouseX = event.clientX;
}
else if(nn4 || dom){
mouseY = e.pageY;
mouseX = e.pageX;
}
}
// Moves the layer
function moveTo(){
if(ie4){
document.all.content.style.top = contentT;
document.all.ruler.style.top = dragT;
document.all.drag.style.top = dragT;
}
else if(nn4){
document.contentClip.document.content.top = contentT;
document.ruler.top = dragT;
document.drag.top = dragT;
}
else if(dom){
document.getElementById("content").style.top = contentT + "px";
document.getElementById("drag").style.top = dragT + "px";
document.getElementById("ruler").style.top = dragT + "px";
}
}
// Scrolls up
function scrollUp(){
getT();
if(clickAbove){
if(dragT <= (mouseY-(dragH/2)))
return up();
}
if(clickUp){
if(contentT < 0){
dragT = dragT - (speed*scrollLength);
if(dragT < (rulerT))
dragT = rulerT;
contentT = contentT + speed;
if(contentT > 0)
contentT = 0;
moveTo();
timer = setTimeout("scrollUp()",25);
}
}
return false;
}
// Scrolls down
function scrollDown(){
getT();
if(clickBelow){
if(dragT >= (mouseY-(dragH/2)))
return up();
}
if(clickDown){
if(contentT > -(contentH - contentClipH)){
dragT = dragT + (speed*scrollLength);
if(dragT > (rulerT + scrollH - dragH))
dragT = (rulerT + scrollH - dragH);
contentT = contentT - speed;
if(contentT < -(contentH - contentClipH))
contentT = -(contentH - contentClipH);
moveTo();
timer = setTimeout("scrollDown()",25);
}
}
return false;
}
// reloads page to position the layers again
function reloadPage(){
location.reload();
}
// Preload
function eventLoader(){
if(ie4){
// Up-arrow X and Y variables
upL = document.all.up.style.pixelLeft;
upT = document.all.up.style.pixelTop;
// Down-arrow X and Y variables
downL = document.all.down.style.pixelLeft;
downT = document.all.down.style.pixelTop;
// Scrollbar X and Y variables
dragL = document.all.drag.style.pixelLeft;
dragT = document.all.drag.style.pixelTop;
// Ruler Y variable
rulerT = document.all.ruler.style.pixelTop;
// Height of content layer and clip layer
contentH = document.all.content.offsetHeight;
contentClipH = document.all.contentClip.offsetHeight;
}
else if(nn4){
// Up-arrow X and Y variables
upL = document.up.left;
upT = document.up.top;
// Down-arrow X and Y variables
downL = document.down.left;
downT = document.down.top;
// Scrollbar X and Y variables
dragL = document.drag.left;
dragT = document.drag.top;
// Ruler Y variable
rulerT = document.ruler.top;
// Height of content layer and clip layer
contentH = document.contentClip.document.content.clip.bottom;
contentClipH = document.contentClip.clip.bottom;
}
else if(dom){
// Up-arrow X and Y variables
upL = parseInt(document.getElementById("up").style.left);
upT = parseInt(document.getElementById("up").style.top);
// Down-arrow X and Y variables
downL = parseInt(document.getElementById("down").style.left);
downT = parseInt(document.getElementById("down").style.top);
// Scrollbar X and Y variables
dragL = parseInt(document.getElementById("drag").style.left);
dragT = parseInt(document.getElementById("drag").style.top);
// Ruler Y variable
rulerT = parseInt(document.getElementById("ruler").style.top);
// Height of content layer and clip layer
contentH = document.getElementById("content").offsetHeight;
contentClipH = document.getElementById("contentClip").offsetHeight;
document.getElementById("content").style.top = 0 + "px";
}
// Number of pixels scrollbar should move
scrollLength = ((scrollH-dragH)/(contentH-contentClipH));
// Initializes event capturing
if(nn4){
document.captureEvents(Event.MOUSEDOWN | Event.MOUSEMOVE | Event.MOUSEUP)
window.onresize = reloadPage;
}
document.onmousedown = down;
document.onmousemove = move;
document.onmouseup = up;
} |
Dit wordt in zijn geheel in een iframe op een pagina gebruikt. Ik wil nu alleen ook erg graag willen kunnen scrollen met het scroll wheeltje van mn muis, dit lukt alleen niet. Moet er iets gebeuren met if(parent.scroll) o.i.d.?
Alvast bedankt
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