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Text formatting with label provider [message #481618]

Fri, 21 August 2009 21:41

Christoph HÃ¶ger

Messages: 40
Registered: July 2009

Member

Hi,

As you can see from the jdts display of Libraries, there is some way to
change the text style of text in the navigator (e.g. the JREs name is
dark gray).
Since that text is simply returned as a string by a LabelProvider I was
wondering how. Is there some kind of magic formatting for that kind of
stuff or does one have to register a special "FormattingDecorator" for this?

regards

Christoph

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Re: Text formatting with label provider [message #481741 is a reply to message #481618]

Mon, 24 August 2009 07:47

Dani Megert

Messages: 3802
Registered: July 2009

Senior Member

Christoph Höger wrote:
> Hi,
>
> As you can see from the jdts display of Libraries, there is some way
> to change the text style of text in the navigator (e.g. the JREs name
> is dark gray).
> Since that text is simply returned as a string by a LabelProvider I
> was wondering how. Is there some kind of magic formatting for that
> kind of stuff or does one have to register a special
> "FormattingDecorator" for this?
What exactly do you want to do?

Dani
>
> regards
>
> Christoph

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Re: Text formatting with label provider [message #481952 is a reply to message #481741]

Mon, 24 August 2009 20:03

Christoph HÃ¶ger

Messages: 40
Registered: July 2009

Member

> What exactly do you want to do?

I have custom Navigator elements (in that case entries for referenced
libraries) for my Modelica projects. I want those elements to be
rendered with custom colors.
You can see a similar feature in JDT: The system library is called "JRE
System Library" (in black) followed by the JRE version in dark gray.
Single library entries have a name and their path in light gray.
That is what I would like to archive for my elements.

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Re: Text formatting with label provider [message #481958 is a reply to message #481952]

Mon, 24 August 2009 20:45

Jacob Fancher

Messages: 1
Registered: July 2009

Junior Member

I think what you are looking for are the styled label providers added in
3.4. Take a look at these snippets:

http://dev.eclipse.org/viewcvs/index.cgi/org.eclipse.jface.s nippets/Eclipse%20JFace%20Snippets/org/eclipse/jface/snippet s/viewers/Snippet049StyledCellLabelProvider.java?view=markup
http://dev.eclipse.org/viewcvs/index.cgi/org.eclipse.jface.s nippets/Eclipse%20JFace%20Snippets/org/eclipse/jface/snippet s/viewers/Snippet050DelegatingStyledCellLabelProvider.java?v iew=markup

I believe if you use a lightweight decorator to add a prefix or suffix
to an element, it will style it in a different color as well. Though the
color it chooses for the decoration is a platform-wide preference.

Christoph Höger wrote:
>> What exactly do you want to do?
>
> I have custom Navigator elements (in that case entries for referenced
> libraries) for my Modelica projects. I want those elements to be
> rendered with custom colors.
> You can see a similar feature in JDT: The system library is called "JRE
> System Library" (in black) followed by the JRE version in dark gray.
> Single library entries have a name and their path in light gray.
> That is what I would like to archive for my elements.

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Re: Text formatting with label provider [message #482174 is a reply to message #481952]

Tue, 25 August 2009 15:01

Dani Megert

Messages: 3802
Registered: July 2009

Senior Member

Christoph Höger wrote:
>> What exactly do you want to do?
>
> I have custom Navigator elements (in that case entries for referenced
> libraries) for my Modelica projects. I want those elements to be
> rendered with custom colors.
> You can see a similar feature in JDT: The system library is called
> "JRE System Library" (in black) followed by the JRE version in dark
> gray. Single library entries have a name and their path in light gray.
> That is what I would like to archive for my elements.
Let your label provider implement
org.eclipse.jface.viewers.DelegatingStyledCellLabelProvider. IStyledLabelProvider.

Dani

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