如何在Spotfire的文本区域中创建动态过滤器

Question

I want to create a dropdown in text area to filter data in table dynamically.

I have many entries under Filter "Task Description".

But I want to create a dropdown in text area with only below three entries out of all entries.

• All - it will show the entire data
• Prasanta - this selection will only show Prasanta related rows
• Chandan - this selection should only show Chandan related rows.

Is it possible?

Answer 1

the best and simplest way to do this is with a Text Area visualization containing a Property Control . I'll give you a loose outline and you can use the Spotfire help on Property Controls to get more detail.

1. add a new Property Control of type Drop-down list to a Text Area
2. create a new Document Property of type string
3. set the property value through Expressions
4. the expressions you list here should evaluate to boolean true or false. for example, for Prasanta rows you might use [Task Description] = "Prasanta" . the expression for All rows should be blank.
5. on the Data page of the filtered visualization's Properties, scroll down to Limit data using expression and click Edit...
6. from the middle pane, double click the name of the Document Property you created in step 2 above
7. test by selecting different items from the dropdown you created