Hello,
I just developpe a little query builder for my svg application and i
use SelectionLists from carto.net
I would like to populate automatically a selectionList from the
choice made in a preceding selectionList.
First, I create 2 selectionLists (selectionList1 and selectionList2)
The first one is populated directly at the creation.
The second one is first populated with a empty array.
I choose a value in SelectionList1
Then , I run a PHP script with this parameter, request my DB (I
request :
DESCRIBE <MyTable> ) with <MyTable> the item selected in
selectionList1 Then, I would like to automatically populate
selectionList2 with the values return from the request (those values
are the Fields of <MyTable>)
Would you have any tutorial that explain that?
Secondly, I cannot understand why the above Javascript code does not
work :
function updateSelectionList
selectionListName,selectedIndex,selectedValue)
{
// reinitialisation de selectionListDynLayer
position = 0;
while
(selectionListDynLayer.selectElementByPosition(position,false)) {
MyAlert("deleting element position " + position
+ " : " + selectionListDynLayer.getCurrentSelectionElement());
selectionListDynLayer.deleteElement
(selectionListDynLayer.getCurrentSelectio
nElement());
position++;
}
MyAlert("selected : " + selectedValue);
selectionListArray = new
Array(getSelectionListArray(selectedValue));
MyAlert("selectionListArray : " + selectionListArray);
for (i=0;i<selectionListArray.length;i++) {
selectionListDynLayer.addElementAtPosition(selectionListArray
[i],i);
}
}
function getSelectionListArray(MyTable) {
PHPFileName = "../files/getSelectionListArray.php?MyTable="
+ MyTable;
getDataObjSelectionListArray.url=PHPFileName;
getDataObjSelectionListArray.getData();
}
function callbackSelectionListArray(theNode) {
MyAlert("callback:" + printNode(theNode));
return theNode; // not sure it is a good idea ...
}
Thanks
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