One of my favorite areas in ADF Faces always has been the Data
Visualization [Tags] aka DVTs. I feel that we make far too little use of
the power of visualization to present information and even call to
action to our end user instead of raw data – as we frequently do today.
The table component is probably the most widely used component in all of
ADF Faces – even though it is most often used to just present raw data.
DVT components in stark contrast are overlooked or regarded as just a
nice to have. I hope to bring about a change – making designers,
developers and end users themselves more aware of the value of
visualizations. Oracle Fusion Applications and especially the simplified
UI provides an excellent example of how visualizations can be used to
help end users focus on what is relevant: aggregate, exception, trend,
ADF 12.1.3, freshly released, brings a next wave of
enrichment of the DVT components. Allowing developers to create even
more useful and appealing visualizations. In this article, I want to
describe and show some of these new features.
Client Side Charting Solutions
The DVT team is leveraging an increasing number of HTML 5 features.
After the introduction of HTML (5) as rendering option next to Flash, we
now see a rapid acceleration of the use of HTML 5 facilities. One area
where this happens is with the client side charting solutions. This
involves a number of chart types (Bubble, Pie, Bar, Horizontal Bar,
Line, Pie, Area, Scatter and more) for which client side operations such
as hide/show of series, rescale and zoom/scroll + navigate in overview
window are supported. Because these operations are handled entirely on
the client side, the interaction is much smoother and faster than with
the server driven charts.
An example is shown below. Both pictures
are based on the same data. On the left, the overview window is focused
on a six month period. On the right, the time selection has been
enlarged to contain over three years. Resizing and refocusing the time
window is a smooth , client side operation that constantly synchronizes
the line chart shown on top. Read the complete article here.
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