[brailleblaster] Re: Views and XML
- From: "John J. Boyer" <john.boyer@xxxxxxxxxxxxxxxxx>
- To: brailleblaster@xxxxxxxxxxxxx
- Date: Thu, 3 Jan 2013 14:22:52 -0600
Hi Keith,
We will continue using StyledText. I considered developing something
different, but it would be a major project in itself. The plan for
handling editing is to keep a record of the starting and ending
positions in StyledText of each text node, or rather the element that is
its parent. We can get the cursor posiktion with a method call. From
that we can figure out which text node is being edited. If the user
creates new paragraphs we will know the position of the previous element
in the document. And so on.
Incidentally, we will need UTDML to show what text corresponds to each
Braille line. This would be an alternate format for the print view. I
know ViewPlus wants something like that, and I'm sure many users will
also.
The "document model," for want of a better name is contained in the
semanticsList ArrayList. It's members are the embeded class
ElemantSemantics which contain information about each element to be
considered, including the starting and ending points of its child text.
When elements are created or deleted the ArrayList is updated.
Michael's point about splitting the document processing into two parts
is a good one. Besides the classes in the documentmodel package there
wil be one in the wordprocessor to mediate between the views and the
document model.
I hope I'm not using terms in a confusing way. Things can be renamed if
that would help.
Again, we have been over much of this ground before.
John
On Thu, Jan 03, 2013 at 07:02:54PM +0000, Keith Creasy wrote:
> John and all.
>
> Any strategy for how we are going to map changes in our edit views with the
> XML content? Are we sticking with the styled text view? Obviously if someone
> edits the content the corresponding node has to be updated. Also, if someone
> presses return a new node has to be created. In some cases removing a
> paragraph break means two nodes have to be merged.
>
>
> Keith Creasy
> Software Developer
> American Printing House for the Blind
> KCreasy@xxxxxxx
> Phone: 502.895.2405
> Skype: keith537
>
--
John J. Boyer; President, Chief Software Developer
Abilitiessoft, Inc.
http://www.abilitiessoft.com
Madison, Wisconsin USA
Developing software for people with disabilities
Other related posts:
