I have an upcoming project and am trying to figure out how to do what would
best be described as a diff on a xml file.
For example, here would be the initital xml:
<root>
<optionsA>
<group>
<option ... />
<option ... />
</group>
<groupB>
<option ... />
<option ... />
<option ... />
<option ... />
</group>
...
</root>
The way the system works is that all of the logic is handled server side. So
when the user selects an option it hits the server and gets back another xml
file with an updated price and more or less options depending on whatever rules
came in to play.
The front end was originally an html page which would redraw itself with every
interaction. If I were to just emulate that model I would grab the new xml and
redraw the menu within my flash movie with every selection. The issue with that
is that each option has an associated thumbnail image loaded externally and
redrawing hte menu would mean reloading all of those.
I would rather look at the new and old xml files side by side and see what
changed so that I could leave anything that didnt change alone.
Any ideas on this?
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