Jaspersoft Tech Talk Episode #15: Chart Customizers
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Jaspersoft Tech Talk Episode #15: Chart Customizers

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Need to customize a JFreeCharts beyond what is exposed in iReport? This tech talk is about customizing JFreeCharts by implementing a Chart Customizer in Java. Intended audience is Java developers ...

Need to customize a JFreeCharts beyond what is exposed in iReport? This tech talk is about customizing JFreeCharts by implementing a Chart Customizer in Java. Intended audience is Java developers looking to quickly get started customizing charts.

For more information, join the Jaspersoft Customer and Developer community: http://community.jaspersoft.com

See the video of the presentations here: http://www.youtube.com/watch?v=kjGQ5hlg__k

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  • Themes are to charts as styles are to reports—they provide a means of centralizing the look of our charts. You can configure a theme and apply it to multiple charts so that all your charts reflect the color scheme you want. The external chart theme is saved to a JasperReports Chart Theme XML file, or .jrctx for short. When you configure a chart theme, iReport opens a Style Template and makes available the Template Inspector panel (similar to the Report Inspector), and a couple other theme-specific panels to help you configure your chart theme.

Jaspersoft Tech Talk Episode #15: Chart Customizers Jaspersoft Tech Talk Episode #15: Chart Customizers Presentation Transcript

  • Presenter:John Johnson –Professional Services ConsultantTech Talk No. 15:Chart Customizers
  • 3 Charting Libraries in Jaspersoft JFreeCharts Fusion Charts (Charts Pro) HighCharts (HTML5)©2012 Jaspersoft Corporation. Proprietary andConfidential 2
  • Chart Themes Give a set of charts/graphs a common look and feel Defined in an external file (*.jrctx which becomes .jar file) iReport offers its own designer for creating a theme Template Inspector Designer Properties Chart Selector©2013 Jaspersoft Corporation. Proprietary andConfidential
  • Chart Customizers When chart themes and properties aren’t enough we cancustomize the JFreeCharts class libraries through Javacode Examples: Colouring specific bars Hiding bars Width of bars Complex changes to chart display Complex logic Add trend lines©2012 Jaspersoft Corporation. Proprietary andConfidential 4
  • Write a Customizer class Write class that implements InterfaceJRChartCustomizer Package new class in jar file Set Customizer Class Property Put jar on iReports classpath or in resource section onserver
  • Resources iReport Ultimate Guide http://jasperreports.sourceforge.net/api http://www.jfree.org/jfreechart/api/javadoc/