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Display size of rows to export in "Row selection" radio buttons.

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This commit is contained in:
Ansgar Becker
2011-05-01 05:58:55 +00:00
parent e0f72be96f
commit de4f951b68
1 changed files with 24 additions and 2 deletions
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26
source/exportgrid.pas
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@@ -120,11 +120,33 @@ end;
procedure TfrmExportGrid.FormShow(Sender: TObject);
var
GridData: TDBQuery;
Node: PVirtualNode;
Col: TColumnIndex;
RowNum: PCardinal;
SelectionSize, AllSize: Int64;
begin
// Show dialog. Expect "Grid" property to be set now by the caller.
grpSelection.Items.Clear;
grpSelection.Items.Add('Selected rows ('+FormatNumber(Grid.SelectedCount)+')');
grpSelection.Items.Add('All loaded rows ('+FormatNumber(Grid.RootNodeCount)+')');
GridData := Mainform.GridResult(Grid);
AllSize := 0;
SelectionSize := 0;
Node := GetNextNode(Grid, nil, False);
while Assigned(Node) do begin
RowNum := Grid.GetNodeData(Node);
GridData.RecNo := RowNum^;
Col := Grid.Header.Columns.GetFirstVisibleColumn;
while Col > NoColumn do begin
Inc(AllSize, GridData.FColumnLengths[Col]);
if vsSelected in Node.States then
Inc(SelectionSize, GridData.FColumnLengths[Col]);
Col := Grid.Header.Columns.GetNextVisibleColumn(Col);
end;
Node := GetNextNode(Grid, Node, False);
end;
grpSelection.Items.Add('Selection ('+FormatNumber(Grid.SelectedCount)+' rows, '+FormatByteNumber(SelectionSize)+')');
grpSelection.Items.Add('Complete ('+FormatNumber(Grid.RootNodeCount)+' rows, '+FormatByteNumber(AllSize)+')');
grpSelection.ItemIndex := GetRegValue(REGNAME_GEXP_SELECTION, grpSelection.ItemIndex);
end;