Thread: [Htmlparser-user] Swing integration
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From: Craig R. <cr...@qu...> - 2002-04-01 13:20:43
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Has the HTML Parser been integrated into Swing's HTMLEditorKit to provide a better implementation of JEditorPane's HTML viewing capabilities? HTML Parser would need to replace javax.swing.text.html.parser.Parser, which is currently somewhat buggy. Anyone tried this? -craig |
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From: Craig R. <cr...@qu...> - 2002-05-08 09:50:22
|
Posted this earlier, seems to have got lost....
----
Hi Somik,
I'm looking into the HTMLParser-Swing integration again, and I have two
questions:
1. The HTMLEditorKit.ParserCallback takes a position with most of its
callback functions. Can this position be extracted from the HTMLTag's
elementBegin()?
2. There is a need to differentiate between a callback to
handleSimpleTag(HTML.Tag t, MutableAttributeSet a, int pos) and
handleStartTag(HTML.Tag t, MutableAttributeSet a, int pos) when
iterating through the HTMLTag elements Enumeration. How?
You mentioned you have started an implementation - if you have a
framework going, I'd be happy to continue with the donkey work. I really
think this could make Swing's HTML rendering a lot more stable.
Regards,
Craig
-----Original Message-----
From: Somik Raha [mailto:so...@ya...]
Sent: 16 April 2002 04:57 AM
To: htm...@li...
Cc: Craig Raw
Subject: Re: [Htmlparser-user] Swing integration
Hi Craig, Asgher
I finally had the time to check Swing integration. Boy - the parser
design in Swing sucks!! Theoretically its possible to do it - and I got
started, but just realized that in order to be compatible with swing
objects
that do compile time type checking with a particular tag, I have to
actually
have 73 if statements to give the right tag to the callback.
I have more important things to do at the moment, but probably will
get
back to this donkey work. *sigh*
I am thinking we should make release 1.1 and then try this. Any
suggestions ?
Regards,
Somik
----- Original Message -----
From: "Somik Raha" <so...@ya...>
To: <htm...@li...>
Sent: Thursday, April 04, 2002 11:20 AM
Subject: Re: [Htmlparser-user] Swing integration
> Hi Craig,
> Thanks a lot for the post. Pls go ahead with your analysis. I will
try
> to catch up this weekend.
> Regards,
> Somik
> ----- Original Message -----
> From: "Craig Raw" <cr...@qu...>
> To: "'Somik Raha'" <so...@ya...>
> Sent: Tuesday, April 02, 2002 3:32 PM
> Subject: RE: [Htmlparser-user] Swing integration
>
>
> > Hi Somik,
> >
> > A quick excerpt from javax.swing.text.html.HTMLEditorKit javadoc -
which
> > is the driver behind JEditorPane's reading and writing HTML
> > capabilities.
> >
> > ---
> > Extendable/Scalable
> >
> > To maximize the usefulness of this kit, a great deal of effort has
gone
> > into making it extendable. These are some of the features.
> > The parser is replaceable. The default parser is the Hot Java parser
> > which is DTD based. A different DTD can be used, or an entirely
> > different parser can be used. To change the parser, reimplement the
> > getParser method. The default parser is dynamically loaded when
first
> > asked for, so the class files will never be loaded if an alternative
> > parser is used. The default parser is in a separate package called
> > parser below this package.
> >
> > The parser drives the ParserCallback, which is provided by
HTMLDocument.
> > To change the callback, subclass HTMLDocument and reimplement the
> > createDefaultDocument method to return document that produces a
> > different reader. The reader controls how the document is
structured.
> > Although the Document provides HTML support by default, there is
nothing
> > preventing support of non-HTML tags that result in alternative
element
> > structures.
> > ---
> >
> > I may find some time to look into this as well, although I am not
sure
> > how much it would fix JEditorPane's somewhat buggy HTML rendering
> > capabilities....
> >
> > -craig
> >
> >
> > -----Original Message-----
> > From: htm...@li...
> > [mailto:htm...@li...] On Behalf Of
Somik
> > Raha
> > Sent: 01 April 2002 05:28 PM
> > To: HTMLParser User List
> > Cc: HTMLParser Developer List
> > Subject: Re: [Htmlparser-user] Swing integration
> >
> > Hi Craig
> > Wow! Thats a great question.
> > Actually, I doubt if I could replace Sun Microsystems' code with
> > mine. I
> > dont think Java is that open (or is it ?)
> > However, we could think of writing our own adapter for the html
parser
> > that
> > might plugin in some way...
> > I have never used Sun's html parser (If I had, I might not have
> > started
> > this project).
> > I will need to study Sun's parser before I can answer your
> > question..
> > But there does seem to be some interesting possibilities.
> >
> > Regards
> > Somik
> > ----- Original Message -----
> > From: "Craig Raw" <cr...@qu...>
> > To: <htm...@li...>
> > Sent: Monday, April 01, 2002 10:20 PM
> > Subject: [Htmlparser-user] Swing integration
> >
> >
> > > Has the HTML Parser been integrated into Swing's HTMLEditorKit to
> > > provide a better implementation of JEditorPane's HTML viewing
> > > capabilities? HTML Parser would need to replace
> > > javax.swing.text.html.parser.Parser, which is currently somewhat
> > buggy.
> > > Anyone tried this?
> > >
> > > -craig
> > >
> > >
> > >
> > >
> > > _______________________________________________
> > > Htmlparser-user mailing list
> > > Htm...@li...
> > > https://lists.sourceforge.net/lists/listinfo/htmlparser-user
> >
> >
> > _________________________________________________________
> > Do You Yahoo!?
> > Get your free @yahoo.com address at http://mail.yahoo.com
> >
> >
> > _______________________________________________
> > Htmlparser-user mailing list
> > Htm...@li...
> > https://lists.sourceforge.net/lists/listinfo/htmlparser-user
>
>
> _________________________________________________________
> Do You Yahoo!?
> Get your free @yahoo.com address at http://mail.yahoo.com
>
>
> _______________________________________________
> Htmlparser-user mailing list
> Htm...@li...
> https://lists.sourceforge.net/lists/listinfo/htmlparser-user
|
|
From: Somik R. <so...@ya...> - 2002-05-08 10:16:49
|
Hi Craig,
I actually replied to you on htmlparser-developer, your earlier mails
went there. Are you on that list ?
Am attaching the relevant mails to this mail - hope it goes thru.
Regards
Somik
----- Original Message -----
From: "Craig Raw" <cr...@qu...>
To: <htm...@li...>
Cc: <so...@ya...>
Sent: Wednesday, May 08, 2002 6:49 PM
Subject: [Htmlparser-user] Swing integration
> Posted this earlier, seems to have got lost....
> ----
>
>
> Hi Somik,
>
> I'm looking into the HTMLParser-Swing integration again, and I have two
> questions:
>
> 1. The HTMLEditorKit.ParserCallback takes a position with most of its
> callback functions. Can this position be extracted from the HTMLTag's
> elementBegin()?
>
> 2. There is a need to differentiate between a callback to
> handleSimpleTag(HTML.Tag t, MutableAttributeSet a, int pos) and
> handleStartTag(HTML.Tag t, MutableAttributeSet a, int pos) when
> iterating through the HTMLTag elements Enumeration. How?
>
> You mentioned you have started an implementation - if you have a
> framework going, I'd be happy to continue with the donkey work. I really
> think this could make Swing's HTML rendering a lot more stable.
>
> Regards,
> Craig
>
>
>
>
>
> -----Original Message-----
> From: Somik Raha [mailto:so...@ya...]
> Sent: 16 April 2002 04:57 AM
> To: htm...@li...
> Cc: Craig Raw
> Subject: Re: [Htmlparser-user] Swing integration
>
> Hi Craig, Asgher
> I finally had the time to check Swing integration. Boy - the parser
> design in Swing sucks!! Theoretically its possible to do it - and I got
> started, but just realized that in order to be compatible with swing
> objects
> that do compile time type checking with a particular tag, I have to
> actually
> have 73 if statements to give the right tag to the callback.
> I have more important things to do at the moment, but probably will
> get
> back to this donkey work. *sigh*
>
> I am thinking we should make release 1.1 and then try this. Any
> suggestions ?
>
> Regards,
> Somik
> ----- Original Message -----
> From: "Somik Raha" <so...@ya...>
> To: <htm...@li...>
> Sent: Thursday, April 04, 2002 11:20 AM
> Subject: Re: [Htmlparser-user] Swing integration
>
>
> > Hi Craig,
> > Thanks a lot for the post. Pls go ahead with your analysis. I will
> try
> > to catch up this weekend.
> > Regards,
> > Somik
> > ----- Original Message -----
> > From: "Craig Raw" <cr...@qu...>
> > To: "'Somik Raha'" <so...@ya...>
> > Sent: Tuesday, April 02, 2002 3:32 PM
> > Subject: RE: [Htmlparser-user] Swing integration
> >
> >
> > > Hi Somik,
> > >
> > > A quick excerpt from javax.swing.text.html.HTMLEditorKit javadoc -
> which
> > > is the driver behind JEditorPane's reading and writing HTML
> > > capabilities.
> > >
> > > ---
> > > Extendable/Scalable
> > >
> > > To maximize the usefulness of this kit, a great deal of effort has
> gone
> > > into making it extendable. These are some of the features.
> > > The parser is replaceable. The default parser is the Hot Java parser
> > > which is DTD based. A different DTD can be used, or an entirely
> > > different parser can be used. To change the parser, reimplement the
> > > getParser method. The default parser is dynamically loaded when
> first
> > > asked for, so the class files will never be loaded if an alternative
> > > parser is used. The default parser is in a separate package called
> > > parser below this package.
> > >
> > > The parser drives the ParserCallback, which is provided by
> HTMLDocument.
> > > To change the callback, subclass HTMLDocument and reimplement the
> > > createDefaultDocument method to return document that produces a
> > > different reader. The reader controls how the document is
> structured.
> > > Although the Document provides HTML support by default, there is
> nothing
> > > preventing support of non-HTML tags that result in alternative
> element
> > > structures.
> > > ---
> > >
> > > I may find some time to look into this as well, although I am not
> sure
> > > how much it would fix JEditorPane's somewhat buggy HTML rendering
> > > capabilities....
> > >
> > > -craig
> > >
> > >
> > > -----Original Message-----
> > > From: htm...@li...
> > > [mailto:htm...@li...] On Behalf Of
> Somik
> > > Raha
> > > Sent: 01 April 2002 05:28 PM
> > > To: HTMLParser User List
> > > Cc: HTMLParser Developer List
> > > Subject: Re: [Htmlparser-user] Swing integration
> > >
> > > Hi Craig
> > > Wow! Thats a great question.
> > > Actually, I doubt if I could replace Sun Microsystems' code with
> > > mine. I
> > > dont think Java is that open (or is it ?)
> > > However, we could think of writing our own adapter for the html
> parser
> > > that
> > > might plugin in some way...
> > > I have never used Sun's html parser (If I had, I might not have
> > > started
> > > this project).
> > > I will need to study Sun's parser before I can answer your
> > > question..
> > > But there does seem to be some interesting possibilities.
> > >
> > > Regards
> > > Somik
> > > ----- Original Message -----
> > > From: "Craig Raw" <cr...@qu...>
> > > To: <htm...@li...>
> > > Sent: Monday, April 01, 2002 10:20 PM
> > > Subject: [Htmlparser-user] Swing integration
> > >
> > >
> > > > Has the HTML Parser been integrated into Swing's HTMLEditorKit to
> > > > provide a better implementation of JEditorPane's HTML viewing
> > > > capabilities? HTML Parser would need to replace
> > > > javax.swing.text.html.parser.Parser, which is currently somewhat
> > > buggy.
> > > > Anyone tried this?
> > > >
> > > > -craig
> > > >
> > > >
> > > >
> > > >
> > > > _______________________________________________
> > > > Htmlparser-user mailing list
> > > > Htm...@li...
> > > > https://lists.sourceforge.net/lists/listinfo/htmlparser-user
> > >
> > >
> > > _________________________________________________________
> > > Do You Yahoo!?
> > > Get your free @yahoo.com address at http://mail.yahoo.com
> > >
> > >
> > > _______________________________________________
> > > Htmlparser-user mailing list
> > > Htm...@li...
> > > https://lists.sourceforge.net/lists/listinfo/htmlparser-user
> >
> >
> > _________________________________________________________
> > Do You Yahoo!?
> > Get your free @yahoo.com address at http://mail.yahoo.com
> >
> >
> > _______________________________________________
> > Htmlparser-user mailing list
> > Htm...@li...
> > https://lists.sourceforge.net/lists/listinfo/htmlparser-user
>
>
> _______________________________________________________________
>
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> _______________________________________________
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> Htm...@li...
> https://lists.sourceforge.net/lists/listinfo/htmlparser-user
|
|
From: Somik R. <so...@ya...> - 2002-04-01 15:22:00
|
Hi Craig
Wow! Thats a great question.
Actually, I doubt if I could replace Sun Microsystems' code with mine. I
dont think Java is that open (or is it ?)
However, we could think of writing our own adapter for the html parser that
might plugin in some way...
I have never used Sun's html parser (If I had, I might not have started
this project).
I will need to study Sun's parser before I can answer your question..
But there does seem to be some interesting possibilities.
Regards
Somik
----- Original Message -----
From: "Craig Raw" <cr...@qu...>
To: <htm...@li...>
Sent: Monday, April 01, 2002 10:20 PM
Subject: [Htmlparser-user] Swing integration
> Has the HTML Parser been integrated into Swing's HTMLEditorKit to
> provide a better implementation of JEditorPane's HTML viewing
> capabilities? HTML Parser would need to replace
> javax.swing.text.html.parser.Parser, which is currently somewhat buggy.
> Anyone tried this?
>
> -craig
>
>
>
>
> _______________________________________________
> Htmlparser-user mailing list
> Htm...@li...
> https://lists.sourceforge.net/lists/listinfo/htmlparser-user
_________________________________________________________
Do You Yahoo!?
Get your free @yahoo.com address at http://mail.yahoo.com
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