How to manage data in css bar chart plugin

Apex 4.2 running against database 11 g.  I have a CSS bar graph plug in the regions. Now, if there is no data found in a given region the region of bar chart is empty.  I want to display a message in the box indicating no data found rather than having just a blank area but I don't see how.  When I look at the plug of standard attributes the 'No data found Message attribute a' is disabled so I'm not able to check it out.

The data source for the bar chart is a collection that is populated by calling a stored procedure that returns a sql query string.

Any suggestions for how to manage this?

nunyadba wrote:

Apex 4.2 running against database 11 g.  I have a CSS bar graph plug in the regions. Now, if there is no data found in a given region the region of bar chart is empty.  I want to display a message in the box indicating no data found rather than having just a blank area but I don't see how.  When I look at the plug of standard attributes the 'No data found Message attribute a' is disabled so I'm not able to check it out.

The data source for the bar chart is a collection that is populated by calling a stored procedure that returns a sql query string.

Any suggestions for how to manage this?

One way is to create shadow graphic HTML containing the "no data found" messages for each of the regions. Use Exists (SQL query returns at least one row) conditions to display the chart area when relevant data exist in the collection, and NOT Exists (SQL query returns no line) conditions to show the "no data found" region when it isn't.

Another would be a dynamic action that verifies the existence of the graphical mark in each region and injects "no data found" messages where it does not exist.

Change the plug-in (if allowed by the license) would be the last option.

Tags: Database

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