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git-svn-id: svn://ultimatepp.org/upp/trunk@11353 f0d560ea-af0d-0410-9eb7-867de7ffcac7
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cxl 2017-10-07 13:24:41 +00:00
parent 29b5c37417
commit e5f6ec9a5b
1 changed files with 8 additions and 8 deletions
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16
reference/ArrayCtrlSorting/main.cpp
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@ -5,22 +5,22 @@ using namespace Upp;
GUI_APP_MAIN
{
ArrayCtrl list;
list.AddColumn("Trivial").Sorting();
list.AddColumn("With function")
.SortingBy( // sort with sorting function
list.AddColumn("Trivial").Sorting(); // with standard comparison
list.AddColumn("With sorting lambda").SortingBy( // sort with sorting function
[](int a, int b) -> int {
int q = SgnCompare(a % 100, b % 100);
if(q) return q;
return SgnCompare(a, b);
}
)
.SortDefault(); // set his column to be the initial sorting column;
).SortDefault(); // set his column to be the initial sorting column;
list.AddColumn("Line comparison").SortingLined( // row indices passed to predicate
[&list](int i, int j) -> bool {
return int(list.Get(i, 0)) + int(list.Get(i, 1)) // sort by sum of first two columns
< int(list.Get(i, 0)) + int(list.Get(i, 1));
[&list](int i, int j) -> bool { // sort by sum of first two columns (as an example)
int a = int(list.Get(i, 0)) + int(list.Get(i, 1));
int b = int(list.Get(j, 0)) + int(list.Get(j, 1));
return list.IsSortDescending() ? b < a : a < b;
}
);