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How does an editor determine a file content type? [message #334935]

Tue, 10 March 2009 17:55

Frank Du

Messages: 91
Registered: July 2009

Member

Hi All,

I encountered an issue about how editor determines the content type of a
document.

I use an in-memory object to provide XML content, instead of an in-disk
file. I implement the relative IEditorInput and IDocumentProvider.

The editor can open the XML content properly. However, it can't recognize
the xml content type. Is there anything I missed in setting everything up?

Thank you so much for the help in advance!

Best Regards,

Frank Du

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Re: How does an editor determine a file content type? [message #334945 is a reply to message #334935]

Wed, 11 March 2009 08:42

Prakash G.R.

Messages: 621
Registered: July 2009

Senior Member

Did you extend content-type extension?

- Prakash
--
http://blog.eclipse-tips.com

"Frank Du" <du.qixing@gmail.com> wrote in message
news:6d9d93cb63b0863f805f41f3c41319de$1@www.eclipse.org...
> Hi All,
>
> I encountered an issue about how editor determines the content type of a
> document.
>
> I use an in-memory object to provide XML content, instead of an in-disk
> file. I implement the relative IEditorInput and IDocumentProvider.
> The editor can open the XML content properly. However, it can't recognize
> the xml content type. Is there anything I missed in setting everything up?
>
> Thank you so much for the help in advance!
>
> Best Regards,
>
> Frank Du
>

Report message to a moderator

Re: How does an editor determine a file content type? [message #334951 is a reply to message #334945]

Wed, 11 March 2009 16:26

Frank Du

Messages: 91
Registered: July 2009

Member

No, I didn't extend content-type extension. The editing content is from a
in-memory object, instead of disk file. Then we can't define the extension
by using file extensions, right?

Then, what could we describe the input file to the editor?

Thank you so much!
Frank

Prakash G.R. wrote:

> Did you extend content-type extension?

> - Prakash

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Re: How does an editor determine a file content type? [message #334968 is a reply to message #334935]

Thu, 12 March 2009 16:46

Dani Megert

Messages: 3802
Registered: July 2009

Senior Member

Frank Du wrote:
> Hi All,
>
> I encountered an issue about how editor determines the content type of
> a document.
>
> I use an in-memory object to provide XML content, instead of an
> in-disk file. I implement the relative IEditorInput and
> IDocumentProvider.
> The editor can open the XML content properly. However, it can't
> recognize the xml content type. Is there anything I missed in setting
> everything up?
Your document provider must implement
org.eclipse.ui.editors.text.IStorageDocumentProvider and return the
correct content type of your in-memory object.

Dani
>
> Thank you so much for the help in advance!
>
> Best Regards,
>
> Frank Du
>

Report message to a moderator

Re: How does an editor determine a file content type? [message #335063 is a reply to message #334968]

Thu, 19 March 2009 23:01

Frank Du

Messages: 91
Registered: July 2009

Member

Hi Dani,

Thank you for the reply. I tried to debug all related methods in
StorageDocumentProvider class. However, the method is not called during
opening a in-disk xml file. Is there any other class used to determine the
content type?

Frank

Daniel Megert wrote:

> Frank Du wrote:
> Your document provider must implement
> org.eclipse.ui.editors.text.IStorageDocumentProvider and return the
> correct content type of your in-memory object.

> Dani
>>
>> Thank you so much for the help in advance!
>>
>> Best Regards,
>>
>> Frank Du
>>

Report message to a moderator

Re: How does an editor determine a file content type? [message #335065 is a reply to message #335063]

Fri, 20 March 2009 07:00

Dani Megert

Messages: 3802
Registered: July 2009

Senior Member

Frank Du wrote:
> Hi Dani,
>
> Thank you for the reply. I tried to debug all related methods in
> StorageDocumentProvider class. However, the method is not called
> during opening a in-disk xml file.
Note that this only works for editors based on the platform.text framework.

Dani
> Is there any other class used to determine the content type?
>
> Frank
>
>
> Daniel Megert wrote:
>
>> Frank Du wrote:
>> Your document provider must implement
>> org.eclipse.ui.editors.text.IStorageDocumentProvider and return the
>> correct content type of your in-memory object.
>
>> Dani
>>>
>>> Thank you so much for the help in advance!
>>>
>>> Best Regards,
>>>
>>> Frank Du
>>>
>
>

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