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In this blog post we'll go through how to create mutually exclusive drop down lists.

I had need to create this logic during a recent client project as they were using live BW connectivity with a compressed table.
They wanted to be able to switch dimensions in and out of a table to create a simple drill down type effect that could be customized by users.

Trying to add the same dimension twice to a table; inevitably would result in a SAC script error
combined with the fact that having the same dimension at both levels of a compressed table
makes no sense.

In the graphic below we can see that the value selected in a drop down list will be removed from
from the other drop down.

If the current value in Drop down 1 is 'Product' and we then selected 'Store' in Drop down 1
Store will no longer be available for selection in Drop down 2
However Product will now be available for selection in Drop down 2


Scripting the logic



Global Script Variables

ALL_DIMS      Type: DimensionInfo  Set As Array: YES
DIM1               Type: String
DIM2               Type: String


onInitialization code

/* I use this code onInitialization to grab the dimensions present
in the table at runtime and write them to global variables */

// Get the dimension in the first row (visually column 1)
DIM1 = Table_1.getDimensionsOnRows()[0];
// Get the dimension in the second row (visually column 2)
DIM2 = Table_1.getDimensionsOnRows()[1];

// ---------------------------------------------------------------------

// Get all the dimensions from the datasoure
ALL_DIMS = Table_1.getDataSource().getDimensions();

/* Loop through all dimensions in the query and them all
to both dropdowns */
for (var i=0;i<ALL_DIMS.length;i++)
{ Dropdown_1.addItem(ALL_DIMS[i].id,ALL_DIMS[i].description);
Dropdown_2.addItem(ALL_DIMS[i].id,ALL_DIMS[i].description); }

// -----------------------------------------------------------------------

/* This code ensures the drop down shows the correct dimension that
corresponds to the table (e.g. drop down 1 shows the dimension in
column 1 & doesn't contain the dimension in column 2) */

// Remove the dimension in the 2nd table row from this dropdown
// set the selected Dropdown value to DIM1

// Remove the dimension in the 1st table row from this dropdown
// set the selected Dropdown value to DIM2


Dropdown_1 code

// Remove DIM1 from the table (the dimension in the first row)

/* Get the dimension value selected in this dropdown and store it
in the variable 'SELECTED1' */
var SELECTED1 = this.getSelectedKey();

1. This code below removes all values from Dropdown 2,
then adds them all back in to it.

2. # The mutually exclusive bit #
It then removes the dimension selected (SELECTION1)
in Dropdown1 from Dropdown 2

3. It then sets the dropdown2 selected key to the dimension
value stored in the variable 'DIM2' */

for (var i=0;i<ALL_DIMS.length;i++)

/* Set the Global variable DIM1 to the value selected in
dropdown 1 (SELECTED1) */
// Add DIM1 to row 0 of the table


Dropdown_2 Code

Uses the same logic as Dropdown_1
just the Drop down and global variables being referenced are different.
var SELECTED2 = this.getSelectedKey();

for (var i=0;i<ALL_DIMS.length;i++)




In this post we've seen how script logic can be implemented to provide greater functionality to end users without the need to launch the Navigation/Builder panel in Analytic Applications.

This type of logic could also be expanded to provide more advanced Global filter functionality within an application.

Whenever feasible I try to design analytic applications that achieve functionality without relying on
menus / features that may require user training.
The goal is to produce as close to a 'no training' required solution as possible.

Feel free to add comments, questions below & as always further help from the community can be
found here: Analytic Designer Q&A
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