RE: [Extgraph-developer] Some Observations Using ExtGraph

[Pavel V. <cz3...@ti...>]

Hi Mark and Stefan,
Unicode support is already implemented, while Unicode is in fact our "nat=
ive"
encoding of xml files. UTF8, to be more precise In the new version Unicod=
e
support will be enhanced to UTF16.
Regarding data association, there is also already something implemented.
In the example published on project home pages (see how to create dynamic=

svg) there is an working example where you can see attachment of two type=
s
of data: svg data and code. SVG data are processed by graph canvas, XPasc=
al
code is processed by underlying engine and is used to change SVG data. Al=
though
I do not consider it final state, as processing and data handling capabil=
ities
will be enhanced, even now you can do some node specific operations (like=

reading data from text file and change node visual representation) , now
you can also store data (other than svg), to try it just add some xml chi=
ld
element and add whatever you want. You can see and edit this data in inte=
grated
xml editor. These things works now. What is missing is integrated event
based mechanism. Now there is only one event implemented - redraw of grap=
h,
when OnRefresh script is called (in the example analog clock change shape=

according to computer time).
Hopefully example on http://extgraph.sourceforge.net/docs/howto/svgclocks=
.htm
shows the principles - the way how to create shapes, change them dynamcal=
ly
according to external changes like change of computer clock  and how to
link graphics, data and code.
You can also look at Unicode suport - create child node in svg file,  wri=
te
some text in UTF8 as and xml element value or xml comment and look at it
in internal editor (double click svg node), you should see national chara=
cters.

Pavel


>Subject: RE: [Extgraph-developer] Some Observations Using ExtGraph
>From: "Stefan Melis" <ste...@po...>
>To: <ext...@li...>
>Date: Fri, 19 Nov 2004 16:52:32 +0100
>
>
>Mark,
>
>> The two things I'm particularly keen on are unicode support and the
>ability to associated arbitrary data with each node in the graph. I saw
>some 
>> discussion on associating data with nodes in the Delphi Area forums.
>What are the plans for unicode support?
>
>Since I don't specifically need unicode support I haven't thought about
>it yet.
>That doesn't mean it's a bad idea, quite the contrary perhaps ;)
>I have to admit though that my experience with unicode is limited. Maybe=

>Pavel knows more about it?
>
>
>Stefan
>

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