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Thread: Possibilities to adapt / enhance charts presentational logic?

  1. #1
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    Default Possibilities to adapt / enhance charts presentational logic?

    Hello together,
    I'm a student of media informatics and a newcomer to Sencha Touch / Charts.
    For a student project I'm interested in how can I adapt the prebuild chart-types
    with custom (presentational) logic and visual design.


    As an example:
    I'd like to combine a bar chart with some graphical symbols for representing
    good, average and bad values-ranges (as a kind of traffic-light status-indicator)
    separately per each bar of the chart.
    I'd like to integrate this as closely as possibly "into" a bar chart, not in a separate chart,
    and bound to the same data-source. So in the case when I apply a filter both kind of
    presentations should be updated immediately and corresponding to each other.
    So I'm not sure if via CSS or SASS is a way to do this.


    Is there any support by design, e.g. via a plugin-mechanism or by deriving classes?
    Is there a best practice or any other approach for this?


    Any hint and help is very appreciated
    Thanks in advance,
    Torsten

  2. #2
    Sencha - Sr Software Engineer mitchellsimoens's Avatar
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    You can always extend a class to change/modify behavior. Do note that there will be a major overhaul of the charts coming soon.
    Mitchell Simoens @LikelyMitch
    Sencha Inc, Senior Software Engineer
    ________________
    Learn BBCode and use it! Checkout the CODE tag!

    Check out my GitHub, lots of nice things for Ext JS and Sencha Touch
    https://github.com/mitchellsimoens

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