DS 1.3 Charts will not release the selected Item.

Question

Hello all,
I have problem with Design Studio 1.3 we developed a couple of dashboards with DS 1.2. Now we upgraded dashboards to 1.3. We used Chart selection functionality to filter values on other charts etc. We also using dynamic visibility if you click on a chart it filters another chart and disappears and brings a new chart. To go back, we used a button to clear filter and make the first chart visible.
Now, before upgrading after the chart disappeared and clicked on a button to remove the filters, the chart would release the selected item on itself. However, after the upgrade, this won't work because the chart won't release the selected item. It just keeps selecting even after we clear all filters and make it visible.
I have been searching and trying to find a solution for this, but I couldn't come up with some kind of idea. And in scripts and don't see setSelectedItem or setSelectedValue or reset the selection. etc
1. Create a button with the script below: (BUTTON_1) This will clear the filter and make the chart disappear.
DS_2.clearFilter("0PLANT"); //Map DS_2 to another chart
CHART_1.setVisible(false); //Chart using DS_1
2. Create another button with the script below: (BUTTON_2) This will set the chart visible.
CHART_1.setVisible(true);
3. Click CHART_1 and select item.
4. Click BUTTON_1 to clear selected filter.
5. Click BUTTON_2 to make CHART_1 visible again.
One you click the second button it will set the filter back which was clicked in step 3.
Does anyone have idea on this? How could I reset the charts' selection?
Your help will be appreciated it greatly.
Thanks.

Answer 1

Hi,
In Design Studio 1.3  (SP0 & SP1), enhancing functionality was delivered with the new ability of the user to bookmark design studio applications and recall these bookmarks within the application. This resulted in changes to the behaviour of charts wrt selection of chart members....
As I understand this, the issue here is really around chart selection not persisting in Design studio 1.2, while chart selection is persisted in 1.3 release.
In 1.2 release, when the original chart is hidden and made visible again , the chart selection is not present when the chart reappears, and does not need to be cleared. In this case the chart is rerendered in its initial state in the browser (no selection).
In 1.3 release, selection within the chart is now persisted in general, this can be seen when a chart with a selection is hidden and made visible. In this case the chart is rerendered with selected member present in the browser. By clearing this selection within the chart, the user is now firing again the OnSelect event. (This causes the chart to be hidden and data source filtered again).
The scripting attached to the chart just needs to be modifed slightly to cover this scenario. The result of the getSelectedMember() func call needs to be checked to see if a valid selection is returned.
For example :
var temp = CHART_1.getSelectedMember("0BC_TYPE");
if (temp.text != "") {
      DS_1.setFilter("0BC_TYPE", temp);
      CHART_1.setVisible(false);
      CHART_2.setVisible(true);
The addition of an "if" statement in this case (marked in bold above), checks that if a member within the chart is not selected, in this case no value ("") is returned, and the Data src is not filtered/charts are not hidden & shown as before.
So the issue in 1.3 SP1 is in relation to the persistence of the selection within the chart, which when cleared, fires the onSelect event again (resulting in undesired filtering of data src again).
Hopefully the above scripting will resolve this issue for you....
Best regards,
Brian