May 2015
Beginner to intermediate
412 pages
8h 44m
English
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Interacting with charts via AJAX
The chart component offers AJAX behavior events to interact with the chart by item selection.
How to do it…
A basic definition for a chart with <p:ajax> bundled inside is given here:
<p:chart type="bar" id="withAjax" model="#{chartBean.barModel}"
style="height:250px">
<p:ajax event="itemSelect" listener="#{chartBean.itemSelect}"
update="growl" />
</p:chart>The itemSelect method retrieves an instance of org.primefaces.event.ItemSelectEvent, which enables us to access the item index and series index of the selected chart item. The usage of the itemSelect method is given here:
public void itemSelect(ItemSelectEvent event) { MessageUtil.addInfoMessageWithoutKey("Item selected", "Item Index:" + event.getItemIndex() + ", ...Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.