| Get editor for file [message #302282] |
Tue, 18 April 2006 15:05  |
Eclipse User |
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In my Eclipse application, I have a need to embed individual editors
within a single multipage editor part. I have historically just known
(read as hardcoded) the editor to be included. However, I would really
prefer to get the editor at runtime using the editor registry, etc. I
seem to be having two (2) problems with this, though.
1) I have registered new content types with the platform, but when I try
to get the default editor for a file (using
org.eclipse.ui.ide.IDE#getDefaultEditor(IFile)) I get nothing in return.
I have stepped through the code and it seems that the
org.eclipse.core.internal.resources.ContentDescriptionManage r is unable
to find the content type for my file. Therefore, I stopped using
IDE#getDefaultEditor(IFile) in favor of IDE#getEditorDescriptor(IFile)
which simply returns the default text editor, since it can't find the
*actual* default editor. This leads to problem #2.
2) When I manage to get af org.eclipse.ui.IEditorDescriptor, it is not
very straightforward to get an instance of the actual
org.eclipse.ui.IEditorPart. The javadoc insists that once I have the
IEditorDescriptor, that I have everything I need to instantiate the
IEditorPart. I'm sure I'm missing something. I have been digging
through the code trying to find a good way of getting the IEditorPart.
The org.eclipse.ui.internal.EditorManager class has some lovely methods
(openEditor(), openEditorFromDescriptor(), etc.), but I am unable to use
them. Either because they are private, or because I'm not really
supposed to use EditorManager anyway, because it is in an *.internal.*
package.
So bottom line: Is there a slick way of dynamically getting a new
instance of the IEditorPart for a given IFile?
Thanks for your patience and help,
Keith
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| Re: Get editor for file [message #302378 is a reply to message #302313] |
Wed, 19 April 2006 15:04  |
| Eclipse User |
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Paul Webster wrote:
> There's no public API that allows you to create an editor outside of the
> framework. However, the framework uses public API to instantiate one.
>
> http://dev.eclipse.org/newslists/news.eclipse.platform/msg52 958.html
>
> You can search the newsgroups using google. I use searches that start
> with "site:dev.eclipse.org news.eclipse"
>
> Later,
> PW
That's what I ended up doing (navigating through the extension registry
until I found the right IConfigurationElement and instantiated it that
way). I guess the thing that is really frustrating is that
EditorDescriptor (the only implementation of IEditorDescriptor) has a
method for getting the IConfigurationElement, but EditorDescriptor is
*internal*. On the other hand, if one can manage to get a hold of an
IEditorReference, the editor could be created that way, but there is no
public way of getting one of those either. There is only one
implementation of IEditorReference (EditorReference) which is also
*internal*, so there really is no *good* way to get an instance of an
editor at runtime.
Thanks for the help, though.
Keith
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