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Solved

Sortable Item/Value List Component

Posted on 2004-10-13
9
244 Views
Last Modified: 2010-04-05
Hi,
Is there a value list component that would support clickable column name to sort (asc, desc) on that column? Also it will need to be able to support this setup:

Name       Price
Item1       $1
Item2       $2

etc...

When I click Item1, I want the whole row to be highlighted. There has got to be something like this already out there....
Thanks!
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Comment
Question by:maxb
  • 5
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9 Comments
 
LVL 14

Expert Comment

by:DragonSlayer
ID: 12302775
What about, a normal ListView?

Set the following properties for the ListView:
ReadOnly - True
RowSelect - True
ViewStyle - vsReport

Add the columns you want, add the data you want.

Then, add OnColumnClick handler



var
  SortOrder: Integer;

function CustomSortProc(Item1, Item2: TListItem;
  ParamSort: Integer): Integer; stdcall;
var
  s1, s2: string;
begin
  if ParamSort = 0 then
  begin
    s1 := Item1.Caption;
    s2 := Item2.Caption;
  end else
  begin
    s1 := Item1.SubItems[0];
    s2 := Item2.SubItems[0];
  end;
  Result := CompareText(s1, s2) * SortOrder;
end;

procedure Form1.ListView1ColumnClick(Sender: TObject;
  Column: TListColumn);
begin
  SortOrder := SortOrder * -1;
  ListView1.CustomSort(@CustomSortProc, Column.Index);
end;
0
 

Author Comment

by:maxb
ID: 12302826
That would wok except I would like those little sort tirangles next to the columns to point up or down.
0
 
LVL 14

Expert Comment

by:DragonSlayer
ID: 12302871
Ah, I was wondering how to do that too, some time ago (4 years ago, actually), and Barry answered it... check it out http://www.experts-exchange.com/Programming/Programming_Languages/Delphi/Q_11054223.html
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Author Comment

by:maxb
ID: 12302908
Ah, it sounds like this solution will give me a 14px indentation on all the items? Is there really no component that can do this cleanly?
0
 
LVL 14

Expert Comment

by:DragonSlayer
ID: 12303114
0
 

Author Comment

by:maxb
ID: 12303158
wow...total overkill but cool looking.... still searching for a solution....
0
 
LVL 14

Accepted Solution

by:
DragonSlayer earned 50 total points
ID: 12303250
or what about these...

VirtualTreeView by Mike Lischke http://www.delphi-gems.com/VirtualTreeview/VT.php (free)
Advanced ListView http://www.tmssoftware.com/advlistv.htm (USD65)
TKStringGrid http://www.korzh.com/delphi/components/ (free)
TPubStrGrid http://www.micrel.cz/delphi/index_e.html#jbstrgrd (free)

I have used the first 3 before, and would recommend the first one (Mike's VT), but it's learning curve is a bit more steep than the rest. You might want to check out TKStringGrid too.
0
 

Author Comment

by:maxb
ID: 12304457
TKStringGrid rocks, thank you!!
0
 
LVL 14

Expert Comment

by:DragonSlayer
ID: 12305074
no probs, glad I could've helped!
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