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2020-09-15 13-07-23
Kilian Hekhuis
 
MVP
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[zTree] Getting the data out
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zTree (O11)
Forge asset by Eduardo Luís
Now I have this beautiful tree with checkboxes, and when the user pressers the Save button I'd like to know the checkbox statusses from the tree (either at that moment, or dynamically during the checking). What would be the best way to do this?
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19 Oct 2015
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Eduardo Luís
Hello again,

for that you have to put the tree "talking" with the server. 
Both ways are possible (the Save button or during the checking).
For the first option you can use the 'getChangeCheckedNodes', 'getCheckedNodes', 'getUnCheckedNodes' actions. See the 'Statistics Checkbox is Checked' example.
For the second option you will have to use callback functions namelly 'beforeCheck' and/or 'onCheck'. There are lots of examples where the tree "talks" with the server but the one closest that you want is the 'Checkbox -zTree Methods' example.


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19 Oct 2015
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2020-09-15 13-07-23
Kilian Hekhuis
 
MVP
Ok, thanks very much, I'll check it out.
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19 Oct 2015
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