Re: HTML Editor

From	"usenet" <usenet@THRWHITE.remove-dii-this>
Subject	Re: HTML Editor
Message-ID	<3T3la445Inu5@uni.chka.de> (permalink)
Newsgroups	comp.lang.java.gui
References	<ek6edg$3fl$1@online.de>
Date	2011-04-27 15:26 +0000
Organization	TDS.net

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  To: comp.lang.java.gui
Martin G??ckler <martin@gaeckler.de> wrote:
> Christian Kaufhold schrieb:
> > Martin Gaeckler <martin@gaeckler.de> wrote:
> > 
> >> i'm currently trying to develop a simple HTML-Editor with JTextPane and 
> >> the HTMLEditorKit provided by Swing.
> > 
> >> Actually I want to transform a paragraph <p> to a Heading <h1>. This is 
> >> my code:
> > 
> > Use setParagraphAttributes.


> HTMLDocument.BlockElement block = (HTMLDocument.BlockElement)elem;

No need for the cast.


> int start, end;
> String  text;

> start = block.getStartOffset();
> end = block.getEndOffset();

> // thes what attributes are set
> for(Enumeration e = block.getAttributeNames(); e.hasMoreElements(); )
>    System.out.println(e.nextElement());

> SimpleAttributeSet      newType = new SimpleAttributeSet();

If you want to preserve the previous attributes:

  SimpleAttributeSet newType = new SimpleAttributeSet(block.getAttributes());


> newType.addAttribute( "name", "h1");

No, newType.addAttribute(AttributeSet.NameAttribute, HTML.Tag.H1);


> htmlDoc.setParagraphAttributes(start, end-start, newType, false );

> This produces the following HTML-Code:

> <p name="h1">
>         hello world
> </p>

> And after a second call to my function. The Enumeration contained two 
> attributes with the name "name".

The attribute names are not necessarily Strings.



> Then I have replaced the boolean parameter of setParagraphAttributes. 
> The produced HTML-Code was stupid:

> <body name="h1">
>         hello world
> </body>

This is actually a bug -- sometimes attributes are inherited from ancestor
elements.



Christian

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HTML Editor "=?ISO-8859-1?Q?Martin_G=E" <=?iso-8859-1?q?martin_g=e@THRWHITE.remove-dii-this> - 2011-04-27 15:25 +0000
  Re: HTML Editor "usenet" <usenet@THRWHITE.remove-dii-this> - 2011-04-27 15:25 +0000
    Re: HTML Editor "=?ISO-8859-1?Q?Martin_G=E" <=?iso-8859-1?q?martin_g=e@THRWHITE.remove-dii-this> - 2011-04-27 15:25 +0000
      Re: HTML Editor "usenet" <usenet@THRWHITE.remove-dii-this> - 2011-04-27 15:26 +0000
        Re: HTML Editor "=?ISO-8859-1?Q?Martin_G=E" <=?iso-8859-1?q?martin_g=e@THRWHITE.remove-dii-this> - 2011-04-27 15:26 +0000
          Re: HTML Editor "usenet" <usenet@THRWHITE.remove-dii-this> - 2011-04-27 15:26 +0000
            Re: HTML Editor "=?ISO-8859-1?Q?Martin_G=E" <=?iso-8859-1?q?martin_g=e@THRWHITE.remove-dii-this> - 2011-04-27 15:26 +0000
              Re: HTML Editor "usenet" <usenet@THRWHITE.remove-dii-this> - 2011-04-27 15:26 +0000
                Re: HTML Editor "=?ISO-8859-1?Q?Martin_G=E" <=?iso-8859-1?q?martin_g=e@THRWHITE.remove-dii-this> - 2011-04-27 15:26 +0000

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