oops I mean
if (tempX == 100)
{
//alert(document.getElemen
alert(e.knowdeID); // Seems to have forgotten which object I am on!
}
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Question
document.onmousemove = this.getMouseXY;
Is there a problem with doing:
document.onmousemove = this.getMouseXY;
Before a do the line above it knows exactly what object "this" refers to. I then calls the function fine (I've declared them as methods of the function). But then within the method getMouseXY the alert doesn't remember what object I was on, i.e. displays [Object] instead of [object Object]. Any ideas?
I guess I could store the object ID in a variable before calling the function, and then pick it up again from within the getMouseXY - it's just that solution is a bit untidy, and it would be easier to follow if I could just use the "this".
function startCheckMousePos()
{
// Start detecting where the mouse is.
// Detect if the browser is IE or not.
// If it is not IE, we assume that the browser is NS.
var IE = document.all?true:false;
// If NS -- that is, !IE -- then set up for mouse capture
if (!IE) document.captureEvents(Eve
// Set-up to use getMouseXY function onMouseMove
document.onmousemove = this.getMouseXY;
}
function stopCheckMousePos()
{
// Stop detecting where the mouse is.
// Detect if the browser is IE or not.
// If it is not IE, we assume that the browser is NS.
var IE = document.all?true:false;
// If NS -- that is, !IE -- then set up for mouse capture
if (!IE) document.releaseEvents(Eve
document.onmousemove = null;
}
function getMouseXY(e)
{
// Main function to retrieve mouse x-y position of the mouse.
// Temporary variables to hold mouse x-y positions.
var tempX = 0;
var tempY = 0;
// Detect if the browser is IE or not.
// If it is not IE, we assume that the browser is NS.
var IE = document.all?true:false
if (IE)
{
// grab the x-y pos.s if browser is IE
tempX = event.clientX + document.body.scrollLeft;
tempY = event.clientY + document.body.scrollTop;
}
else
{
// grab the x-y pos.s if browser is NS
tempX = e.pageX;
tempY = e.pageY;
}
// catch possible negative values in NS4
if (tempX < 0) {tempX = 0}
if (tempY < 0) {tempY = 0}
// show the position values in the form named Show
// in the text fields named MouseX and MouseY
document.Show.MouseX.value
document.Show.MouseY.value
if (tempX == 100)
{
//alert(document.getElemen
alert(this.knowdeID); // Seems to have forgotten which object I am on!
}
return true;
}
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Answers
NB The knowde Object is something I created in Javascript that corresponds some boxes on the screen, i.e. the box is represented in JavaScript using an object, and it's corresponding properties are stored as property's of the object. I also have methods for resizing that particular box (using stylesheets too). - Just to give you a bit of background of what is going on ...
okay, you are right, and I think I understand what you wanted...sorta...
check this out:
it uses an object calle mobj, which gets set to whatever that last textbox mousedover was...
it also increments each class of the object seperately...
so if you mouse over box 2 three times and them put the cursor x pos at 100, then it will alert two or three I think...
if you then mouseover box 1, it will alert 0 because it is the first time that object had been moused over...
<HTML><HEAD>
<SCRIPT LANUAGE="JavaScript">
var c1=0
var c2=0
var mobj= new Object()
function startCheckMousePos()
{
// Start detecting where the mouse is.
// Detect if the browser is IE or not.
// If it is not IE, we assume that the browser is NS.
var IE = document.all?true:false;
// If NS -- that is, !IE -- then set up for mouse capture
if (!IE) document.captureEvents(Eve
// Set-up to use getMouseXY function onMouseMove
document.onmousemove = this.getMouseXY;
}
function stopCheckMousePos()
{
// Stop detecting where the mouse is.
// Detect if the browser is IE or not.
// If it is not IE, we assume that the browser is NS.
var IE = document.all?true:false;
// If NS -- that is, !IE -- then set up for mouse capture
if (!IE) document.releaseEvents(Eve
document.onmousemove = null;
}
function getMouseXY(e)
{
// Main function to retrieve mouse x-y position of the mouse.
// Temporary variables to hold mouse x-y positions.
var tempX = 0;
var tempY = 0;
// Detect if the browser is IE or not.
// If it is not IE, we assume that the browser is NS.
var IE = document.all?true:false
if (IE)
{
// grab the x-y pos.s if browser is IE
tempX = event.clientX + document.body.scrollLeft;
tempY = event.clientY + document.body.scrollTop;
}
else
{
// grab the x-y pos.s if browser is NS
tempX = e.pageX;
tempY = e.pageY;
}
// catch possible negative values in NS4
if (tempX < 0) {tempX = 0}
if (tempY < 0) {tempY = 0}
// show the position values in the form named Show
// in the text fields named MouseX and MouseY
document.Show.MouseX.value
document.Show.MouseY.value
if (tempX == 100)
{
//alert(document.getElemen
alert(mobj.knowdeID); // Seems to have forgotten which object I am on!
}
return true;
}
</SCRIPT>
</HEAD>
<BODY>
<FORM NAME="Show"><INPUT ONMOUSEOVER="this.knowdeID
</BODY>
</HTML>
anyways...
hope this helps,
Bob
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This question has been abandoned. I will make a recommendation to the
moderators on its resolution in a week or two. I appreciate any comments
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<note>
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</note>
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by: bebonhamPosted on 2001-03-29 at 07:48:18ID: 5970200
that's because it is no longer this,
you passed it as 'e'
try:
if (tempX == 100)
{
//alert(document.getElemen
alert(this.knowdeID); // Seems to have forgotten which object I am on!
}
Bob