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.\"
.IX Title "Jifty::Plugin::Chart::Renderer 3pm"
.TH Jifty::Plugin::Chart::Renderer 3pm "2009-03-09" "perl v5.12.4" "User Contributed Perl Documentation"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
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.nh
.SH "NAME"
Jifty::Plugin::Chart::Renderer \- Base class for chart rendering classes
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
In your \fIconfig.yml\fR:
.PP
.Vb 3
\&  Plugins:
\&    \- Chart:
\&        DefaultRenderer: MyApp::Renderer
.Ve
.PP
In \fIlib/MyApp/Renderer.pm\fR:
.PP
.Vb 2
\&  package MyApp::Renderer;
\&  use base qw/ Jifty::Plugin::Chart::Renderer /;
\&
\&  sub init {
\&      my $self = shift;
\&
\&      # Handle any required initialization, like required CSS, JS, etc.
\&  }
\&
\&  sub render {
\&      my $self = shift;
\&      my %args = @_;
\&
\&      # Output your chart
\&      Jifty\->web\->out( #{ Output your chart here... } );
\&
\&      # You could also return it as a string...
\&      return;
\&  }
.Ve
.SH "METHODS"
.IX Header "METHODS"
Your renderer implementation must subclass this package and implement the following methods:
.SS "new"
.IX Subsection "new"
This is the constructor. Don't override this directly. Instead implement \*(L"init\*(R".
.SS "init"
.IX Subsection "init"
.Vb 1
\&  $renderer\->init();
.Ve
.PP
This is called by \f(CW\*(C`new\*(C'\fR immediately after constructing the object.  It is passed a param hash from the config file.  Subclasses should implement this method to do any required initialization such as letting Jifty know about required \s-1CSS\s0 files, \s-1JS\s0 files, etc.
.SS "render"
.IX Subsection "render"
.Vb 1
\&  Jifty\->web\->out($renderer\->render(%args));
.Ve
.PP
See Jifty::Plugin::Chart::Web for the arguments. It must (at least) accept the arguments given to the \*(L"chart\*(R" in Jifty::Plugin::Chart::Web method.
.PP
The \f(CW\*(C`render\*(C'\fR method may either return it's output or print it out using Jifty::Web::out.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
Jifty::Plugin::Chart::Web, Jifty::Plugin::Chart::Renderer::Chart
.SH "AUTHOR"
.IX Header "AUTHOR"
Andrew Sterling Hanenkamp \f(CW\*(C`<andrew.hanenkamp@boomer.com>\*(C'\fR
.SH "COPYRIGHT AND LICENSE"
.IX Header "COPYRIGHT AND LICENSE"
Copyright 2007 Boomer Consulting, Inc.
.PP
This is free software and may be modified and distributed under the same terms as Perl itself.