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From: "=?ISO-8859-1?Q?Martin_G=E" <=?iso-8859-1?q?martin_g=e@THRWHITE.remove-dii-this>
Subject: Re: HTML Editor
Message-ID: <eki7is$qaj$1@online.de>
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Date: Wed, 27 Apr 2011 15:26:22 GMT
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Xref: x330-a1.tempe.blueboxinc.net comp.lang.java.gui:237

  To: comp.lang.java.gui
Christian Kaufhold schrieb:
> Martin G??ckler <martin@gaeckler.de> wrote:
> 
>> void makeParagraph(HTML.Tag paragraphType)
> 
> package access?
> 
>> {
>>    if( textEditor instanceof JEditorPane )
>>    {
>>        HTMLDocument  htmlDoc = (HTMLDocument) textEditor.getDocument();
>>        int           position = textEditor.getSelectionStart();
>>        Element       elem = htmlDoc.getParagraphElement(position);
> 
>>        SimpleAttributeSet  newType = new SimpleAttributeSet(
> 
> 
>>          elem.getAttributes()
> 
> Note: I was confused about, this -- for an 'false' argument (add instead of
> set, you don't need this).
> 
>>        );
>>        newType.addAttribute( AttributeSet.NameAttribute, paragraphType );
>>        htmlDoc.setParagraphAttributes(position, 0, newType, false );
> 
> Then you can also use
>  
>          htmlDoc.setParagraphAttributes(textEditor.getSelectionStart(), textEditor.getSelectionEnd() - textEditor.getSelectionStart(), newType, false);
> 
> 
> 
> Christian

Christian,

Thank You again. That's an excellent idea. And "Yes" you are right, the 
wrong boolean parameter replace was a little bit confusing. Now, I can 
change the type of more than one paragraph at a time without loosing any 
other attribute:

void makeParagraph(HTML.Tag paragraphType)
{
   if( textEditor instanceof JEditorPane )
   {
     HTMLDocument  htmlDoc = (HTMLDocument) textEditor.getDocument();
     int           start = textEditor.getSelectionStart();
     int           end = textEditor.getSelectionEnd();

     SimpleAttributeSet  newType = new SimpleAttributeSet();

     newType.addAttribute( AttributeSet.NameAttribute, paragraphType );
     htmlDoc.setParagraphAttributes(start, end-start, newType, false );
   }
}

For example I got this change from

<p align="center">hello <u>world</u></p>
<p align="right">hello <u>world</u></p>

to

<h1 align="center">hello <u>world</u></h1>
<h1 align="right">hello <u>world</u></h1>


Yeah, yeah, yeah. Excellent! 8-))))))) (= big smile)

Have a nice day and thank you again.

Martin


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