RE: [jCharts-users] Trying to subclass

[Lora L. <Lor...@sa...>]

Yes the developer before me needed 4 new chart types which is why he =
modified ChartType.java and AxisChart.java. =20

If I am understanding you, then the correct way to add the new chart =
types is to modify these source files instead of subclassing. =20

I appreciate your quick response. =20

Thank you,
Lora Lantzy

-----Original Message-----
From: Nathaniel G. Auvil [mailto:nat...@ya...]=20
Sent: Friday, April 23, 2004 10:47 AM
To: jch...@li...
Subject: Re: [jCharts-users] Trying to subclass



Are you trying to add your own chart type?  If so, you would have to do =
several things to the internals of jcharts, including modifying that =
file.

the classes are abstract because they only contain static methods for =
rendering the chart. It gets driven by AxisChart.  And unless you are =
creating a new chart type, this should not be of concern as you would =
not call these classes directly.




--- Lora Lantzy <Lor...@sa...> wrote:
> I inherited some JCharts code from another developer and am trying to=20
> subclass ChartType.java and AxisChart.java.  The previous programmer=20
> edited the JCharts source code which has now prevented me from using=20
> the latest version.  I have run into some problems especially with=20
> ChartType.java.  The constructor is private and thus I am unable to=20
> subclass it.  I am sure there is a reason for making it private but I=20
> am hoping there is a solution for those who need to subclass=20
> ChartType.  With AxisChart, I am running into problems since all the=20
> classes (AreaChart, BarChart, LineChart, etc) are abstract.  I would=20
> appreciate any help that can be provided.
>=20
> Thank you,
> Lora Lantzy
>=20
>=20
>=20
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