Warning, /plasma-bigscreen/mycroft-skill-installer/app/qml/SortFilterModel.qml is written in an unsupported language. File is not indexed.

 import QtQuick 2.9
 import QtQml.Models 2.3
 
 ListModel {
     property string sortColumnName: ""
     property string order: "desc"
 
     function swap(a,b) {
         if (a<b) {
             move(a,b,1);
             move (b-1,a,1);
         }
         else if (a>b) {
             move(b,a,1);
             move (a-1,b,1);
         }
     }
 
     function partition(begin, end, pivot)
     {
         var piv=get(pivot)[sortColumnName];
         swap(pivot, end-1);
         var store=begin;
         var ix;
         for(ix=begin; ix<end-1; ++ix) {
             if (order ==="asc"){
                 if(get(ix)[sortColumnName] < piv) {
                     swap(store,ix);
                     ++store;
                 }
             }else if (order ==="desc"){
                 if(get(ix)[sortColumnName] > piv) {
                     swap(store,ix);
                     ++store;
                 }
             }
         }
         swap(end-1, store);
 
         return store;
     }
 
     function qsort(begin, end)
     {
         if(end-1>begin) {
             var pivot=begin+Math.floor(Math.random()*(end-begin));
 
             pivot=partition( begin, end, pivot);
 
             qsort(begin, pivot);
             qsort(pivot+1, end);
         }
     }
 
     function quick_sort() {
         qsort(0,count)
         lview.resetCIndex()
     }
 }