Using the object tag in IE - Page 2

marc

>From the book I am using as a reference I understood that applet tag
was deprecated, but googling for information, and testing myself, it
seems IE does not work properly with this new object tag. So my effort
reading about the object tag was for nothing? Is there no way I can
make this work for IE and Mozilla?

<HTML>
<HEAD>
</HEAD>
<BODY BGCOLOR="FFFFFF ">
<CENTER>
<object classid="java:A wtCalcApplet.cl ass"
archive="AwtCal c.jar"
type="applicati on/x-java-applet"
codebase="."
width = "220"
height = "150" >
I do not have any object that is why I display this text
</object>
</CENTER>
</BODY>
</HTML>

Dec 9 '05

Subscribe Reply

2517

Michael Winter

On 09/12/2005 16:43, Thomas 'PointedEars' Lahn wrote:

[To use APPLET]

So he needs to declare HTML 4.01 Transitional, not Strict.
That is an option, though not necessarily the only one. I never did
ascertain just how far my suggestion in my other post will go to satisfy
other browsers, and no-one in a.html seemed keen to contribute.
Still better than using "browser detection" to serve either the
`object' or the `applet' element in XHTML 1.0 (Transitional/Strict)
or even XHTML 1.1+.

Absolutely.

Mike

--
Michael Winter
Prefix subject with [News] before replying by e-mail.

Dec 9 '05 #11

Marc

"Thomas 'PointedEars' Lahn" <Po*********@we b.de> schreef

I am not a Java developer, though, so
RTFM (and note that it includes deprecated and even nonsensical examples
as well).

Hey Thomas, if you are going to continue this attitude in all your advice
you are going to give me, I'd rather not have it. Thank you!

Dec 11 '05 #12

Marc

"Thomas" :

Still better than using "browser detection" to serve either the
`object' or the `applet' element in XHTML 1.0 (Transitional/Strict)
or even XHTML 1.1+.

"Michael Winter" :
Absolutely.

Is this really thát bad? I know the code I tried to use is not what an
experienced javascript programmer would use. As an absolute or relative
excuse: I am writing code in it for a few weeks only, and only have written
non web stuff before (only windows applications, no html nor nothing).

But there is one other thing to say about my project. It is an intranet
application, so I can be reasonably certain the browser the client uses, is
one of two, IE or Mozilla. Since only these two browsers are installed in
the company's P.C. Also the program will be inevitable I think, client side
dependant, since I should write a program for loading images with a scanner.
This scanner must be present on the client side so...

Nevertheless, your suggestions are neater, and I will try them and read the
information provided, thank you.

Dec 11 '05 #13

Marc

"Thomas 'PointedEars' Lahn" <Po*********@we b.de> schreef

Please provide attribution of quoted material.
Well, google posting is a bugger really, I will in future write 'who wrote
what' in my replies.
Declare HTML 4.01 Transitional and use the `applet' element
One problem: Since I am working together with some other people in a larger
project, I cannot decide that my page would be of a certain standard.

URL:http://java.sun.com/j2se/1.4.2/docs/.../contents.html

This is a very usefull link thank you.

Marc

Dec 11 '05 #14

Michael Winter

On 11/12/2005 08:39, Marc wrote:

Michael Winter wrote:
Thomas Lahn wrote:
Still better than using "browser detection" to serve either the
`object' or the `applet' element in XHTML 1.0
(Transitional/Strict) or even XHTML 1.1+.
Absolutely.

Is this really thát bad?

Yes, for two reasons.

The first and foremost is that browser detection is unreliable. The
conditional comments I used in that post to a.html are a proprietary
mechanism for IE and should remain reliable, but even they are
unnecessary. However, as it means that the PARAM elements only need to
be included once, I thought I may as well use them.

The second is that many browsers, including IE, do not support XHTML.
Unless serving XHTML 1.0 (/not/ 1.1) as malformed HTML somehow brings
overwhelming advantages (and it usually won't), just stick to HTML 4.01.

[snip]
But there is one other thing to say about my project. It is an
intranet application [...]

You really should mention things like that upfront. :)

This group assumes, as set out in the FAQ, that the context of a post
will be the Web in general (as this is the most common case) unless
stated otherwise.

[snip]

Mike

--
Michael Winter
Prefix subject with [News] before replying by e-mail.

Dec 11 '05 #15

Thomas 'PointedEars' Lahn

Michael Winter wrote:

On 11/12/2005 08:39, Marc wrote:
But there is one other thing to say about my project. It is an
intranet application [...]

You really should mention things like that upfront. :)

This group assumes, as set out in the FAQ, that the context of a post
will be the Web in general (as this is the most common case) unless
stated otherwise.

However, that it is used in an Intranet application does not mean that it
is not important on how it is implemented. Using browser detection instead
of feature detection will increase maintenance costs in the mid-term. An
interoperable solution therefore is always the best approach.
PointedEars

Dec 11 '05 #16

marc

Mike:

Yes. See
<http://groups.google.c o.uk/group/alt.html/browse_frm/thread/1a71a3fd6...>

Mike, what is this magic number
"8AD9C840-044E-11D1-B3E9-00805F499D93"?

If I search around it seems that it is used very often, and it seems it
is not a UID that is dependent of the applet, but a sort of alternative
'active x class number', that indicates that it is not an active x
object but a java applet. Hence the number is the same for all applets,
and which specific applet to start is identified in the parameters?

But that's just so weird, I cannot believe it's programmed this way.

First I thought I should somehow get a specific class id number for
each applet, somehow. Or I should register a number in the registry?

I am confused by this...

Dec 12 '05 #17

marc

I wrote:

"Mike, what is this magic number
"8AD9C840-044E-11D1-B3E9-00805F499D93"? "

Seems my presumption are true:

http://java.sun.com/j2se/1.4.2/docs/...sing_tags.html

Attribute classid:

"It should always have the same value for dynamic version support, i.e.
clsid:8AD9C840-044E-11D1-B3E9-00805F499D93. For static version support
it will have a unique value for the version, e.g.,
clsid:CAFEEFAC-0014-0002-0000-ABCDEFFEDCBA."

Still think it's a bit strange, but nevertheless...

Dec 12 '05 #18

marc wrote:

From the book I am using as a reference I understood that applet tag

was deprecated, but googling for information, and testing myself, it
seems IE does not work properly with this new object tag. So my effort
reading about the object tag was for nothing? Is there no way I can
make this work for IE and Mozilla?

Leaving out that Java applets (not applications!) is mainly dead
technologie:

<object> for Java is *very bad* because it implies a particular JVM to
use. In the mixed environment (IE / others) it often happens that IE
uses much more effective Microsoft JVM and "others" have to function
under Sun plugin. More over "others" may have Sun plugin of one version
and your <object> will imply another version. Sun did so many plugin
variants and patches that they have lost the count themselves. It
caused in the past several major virus-like epidemies across
Java-users: you have plugin 1.3.0, applet object codebase implies
1.3.1, it downloads 1.3.1, breaks your 1.3.0 plus make it default VM
for Microsoft which already had MS JVM...etc...
All together is the best way to make the whole system dizzy. Sometimes
you have to reinstall the entire Java segment on your computer after
viewing <object>-enforced Java applet. The above statement is a blood
written one, trust me.

To somehow fix this "Java-virus" Sun introduced classid
8AD9C840-044E-11D1-B3E9-00805F499D93 which internally supposes to mean
"the latest JVM you installed on this machine". Still it doesn't help
to prevent IE with Microsoft JVM installed from failure because
Microsoft JVM classid is 08B0E5C0-4FCB-11CF-AAA5-00401C608500

<applet> tag means "use any JVM you have - if you have any". Despite it
is deprecated but at least it's secure against of occasional system
damages.

If you still want to have applets on your page, use the old
Microsoft-proposed workaround:

<applet class="myClass. class"
cabbase="myAppl et.cab"
archive="myAppl et.jar"
....
After meeting "cabbase" MS JVM will ignore "archive".
Sun JVM will ignore "cabbase" and use archive.

It means that you'll have to have two archives (.jar and .cab)
Also Microsoft discontinued to support Java (but one can still find and
install the last version of MS JVM)

And indeed all this question is nothing to do with JavaScript or
JScript.

Dec 12 '05 #19

marc

VK:

"And indeed all this question is nothing to do with JavaScript or
JScript."

Nevertheless it is an eye opener for me, so you got my gratitude!

Dec 12 '05 #20

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