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scroling in an eclipse editor  RSS feed

 
Greenhorn
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Hello
I'm not sure I'm posting in the correct place.

I have a plugin which displays pdf files. Then the file content is displayed in the editor and a treeView of its pages is displayed in the viewer.
I've 2 questions and the 2nd is really important for me:

1-User can't scroll in the editor by keyboard( scrolling is possible just by scroll bar) How I can add scrolling by keyboard to it?

2- User can scroll down or up until going to the next or previous page.How can I understand when the user enters a new page?


The editor class extends EditorPart(maybe it's the only way).
I'm using eclipse 3.3

Anything's really appreciated
 
It is sorta covered in the JavaRanch Style Guide.
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