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QUESTDB_website/static/js/nestedCheckbox.js

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JavaScript
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function nestedCheckbox_change(e) {
checkbox = e.target;
//Apply children
if (!checkbox.indeterminate) {
var ul = $(checkbox).parent("li").next("ul")
if (ul.length != 0) {
ul.children("li").children("input[type=checkbox]").prop("checked", checkbox.checked);
}
}
//Apply parent
var ul=$(checkbox).parent("li").parent("ul")
var checkbox=$(ul).prev("li").children("input[type=checkbox]")
checkboxes=ul.children("li").children("input[type=checkbox]")
var checkeds=Array.from(checkboxes).map(el=>el.checked)
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var scheckeds=Array.from(new Set(checkeds))
if (scheckeds.length>1) {
checkbox.prop("checked",false);
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checkbox.prop("indeterminate",true);
}
else{
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checkbox.prop("indeterminate",false);
checkbox.prop("checked",scheckeds[0]);
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}
}