Bugs item #454540, was opened at 2001-08-23 04:58
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Category: DynAPI 2 Browser-Specific
Group: Verified
Status: Open
Resolution: None
Priority: 5
Submitted By: Bernard Squale (bsquale)
Assigned to: Nobody/Anonymous (nobody)
Summary: getWidth() / Height() problems with NS6
Initial Comment:
...
DynAPI.onLoad = function() {
label1 = new Label('Some text')
DynAPI.document.addChild(label1)
// returns a value with IE/NS - Win32
alert(label1.getWidth())
label2 = new Label('Some text')
d = new DynLayer()
d.addChild(label2)
DynAPI.document.addChild(d)
// returns a value with NS4 / IE - Win32
//but 'null' with NS 6.1 - Win32, DyAPI 2.54
alert(label2.getWidth())
}
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Comment By: Bruce Tennant (bluewlvrn)
Date: 2002-02-14 01:03
Message:
Logged In: YES
user_id=419209
The current method in DynLayer 2.9 and 2.5.6. It actually
breaks NS6.2.
NS6.2 does not initially set style.width. So what happens
is this.
INITIALLY: offsetWidth = correct value
set style.width = "auto"
offsetWidth = still correct value
set style.width = back to prior value (empty string)
offsetWidth = 0
So in NS 6.2, you DON'T want to use the style.width trick
because by manually setting style.width = '' (empty string)
it resets offsetWidth to 0.
I added the following statements to getContentWidth/Height
for NS
if (dynapi.ua.ns4) return this.doc.width;
else if (dynapi.ua.ie) {
if (dynapi.ua.platform=="mac") return
this.elm.offsetWidth;
return parseInt(this.elm.scrollWidth);
}
// added by BT 2/13/2002
else if (dynapi.ua.ns6) {
return parseInt(this.elm.offsetWidth);
}
// -----
else {
....
Now after reading this bug report, I may need to add a
minor version check rather than just for ns6. It looks
like the NS bug was fixed in 6.2.
----------------------------------------------------------------------
Comment By: Eytan Heidingsfeld (eytanh)
Date: 2001-12-06 13:54
Message:
Logged In: YES
user_id=50900
I have a partial solution. Since there is no sleep or wait
in JS you can't have syncrouns code that works here so I
wrote 2 async functions to that call a specified callback:
/* Code snip */
DynLayer.prototype.cbGetContentWidth = function()
{
this.asyncw(this.elm.offsetWidth);
this.elm.style.width = this.tw;
}
DynLayer.prototype.asyncGetContentWidth=function(result)
{
this.tw = this.elm.style.width;
this.elm.style.width = "auto";
this.asyncw = result;
setTimeout("DynObject.all
['"+this.id+"'].cbGetContentWidth()",1);
};
DynLayer.prototype.cbGetContentHeight = function()
{
this.asynch(this.elm.offsetHeight);
this.elm.style.height = this.th;
}
DynLayer.prototype.asyncGetContentHeight=function(result)
{
this.th = this.elm.style.height;
this.elm.style.height = "auto";
this.asynch = result;
setTimeout("DynObject.all
['"+this.id+"'].cbGetContentHeight()",1);
};
/* End of Snip */
An example usage:
function alertWidth(w)
{
alert(w);
}
if (is.ns6)
myLayer.asyncGetContentWidth(alertWidth);
----------------------------------------------------------------------
Comment By: Robert Rainwater (rainwater)
Date: 2001-12-06 11:53
Message:
Logged In: YES
user_id=16618
This is a bug in Mozilla. It doesn't set the offsetWidth
immediately after creating the element. The only workaround
at the moment is to use some sort of timeout and then
retrieve the offsetWidth/Height.
Rob
----------------------------------------------------------------------
Comment By: Eric LE ROY (lankou)
Date: 2001-12-05 13:36
Message:
Logged In: YES
user_id=179452
Got the same problem....and this is why my dynTabStrip
object does not work under NS6
I'm trying to find a solution
Best Regards
Lankou
----------------------------------------------------------------------
Comment By: Nobody/Anonymous (nobody)
Date: 2001-11-10 21:49
Message:
Logged In: NO
I have a similar problem with NS6.2... I have the following:
DynLayer.prototype.addPopupMenu = function
(x,yAct,menuNames,menuLinks,menucolor,bordercolor)
{
var borderLayer = new DynLayer(null,(x-
4),yAct,0,0,bordercolor);
DynAPI.document.addChild(borderLayer);
var spacerLayer = new DynLayer
(null,1,0,0,0,menucolor);
borderLayer.addChild(spacerLayer);
var menuLayer = new DynLayer
(null,2,0,0,0,menucolor);
spacerLayer.addChild(menuLayer);
var menuText = "";
for (var i = 0; i < menuNames.length; i++)
{
menuText += "<A href=\"+menuLinks[i]+"\
class=\menu\>"+menuNames[i]+"</A><BR>";
}
menuLayer.setHTML(menuText);
var w = menuLayer.getContentWidth();
var h = menuLayer.getContentHeight();
menuLayer.setSize(w,h);
spacerLayer.setSize((menuLayer.getWidth()+4),
(menuLayer.getHeight()+2));
borderLayer.setSize((spacerLayer.getWidth()+2),
(spacerLayer.getHeight()+1));
}
In NS6.2, a thin layer loads without any text... the only
workaround is to set borderLayer.setSize(200,200) or some
other actual numbers.
----------------------------------------------------------------------
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