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IdeIntf, DBGridColumnsPropertyEditorForm: Simplify FillCollectionListBox etc. Issue #32903, patch from FTurtle.

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git-svn-id: trunk@57098 -
This commit is contained in:
juha 2018-01-15 10:53:39 +00:00
parent 082a0b0294
commit 9bf30fe379
1 changed files with 15 additions and 27 deletions
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42
components/ideintf/dbgridcolumnspropeditform.pas
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@ -110,6 +110,8 @@ end;
procedure TDBGridColumnsPropertyEditorForm.CollectionListBoxClick(Sender: TObject);
begin
// Do not use OnSelectionChange because it fires on changing ItemIndex by code
// (OnClick does not)
UpdateButtons;
UpdateCaption;
SelectInObjectInspector;
@ -298,6 +300,9 @@ begin
actDel.Enabled := I > -1;
actMoveUp.Enabled := I > 0;
actMoveDown.Enabled := (I >= 0) and (I < CollectionListBox.Items.Count - 1);
DividerToolButton1.Visible := (FCollection is TDBGridColumns);
btAddFlds.Visible := DividerToolButton1.Visible;
actAddFields.Enabled := DividerToolButton1.Visible;
end;
procedure TDBGridColumnsPropertyEditorForm.PersistentAdded(APersistent: TPersistent; Select: boolean);
@ -333,37 +338,20 @@ end;
procedure TDBGridColumnsPropertyEditorForm.FillCollectionListBox;
var
I: Integer;
CurItem: String;
Cnt: Integer;
ItemIndex: Integer;
i: Integer;
begin
CollectionListBox.Items.BeginUpdate;
try
if FCollection <> nil then
Cnt := FCollection.Count
ItemIndex:=CollectionListBox.ItemIndex;
CollectionListBox.Clear;
if FCollection<>nil then
for i:=0 to FCollection.Count-1 do
CollectionListBox.Items.Add(Format('%d - %s', [i, FCollection.Items[i].DisplayName]));
if ItemIndex<CollectionListBox.Count then
CollectionListBox.ItemIndex:=ItemIndex // OnClick not fires
else
Cnt := 0;
// add or replace list items
for I := 0 to Cnt - 1 do
begin
CurItem := IntToStr(I) + ' - ' + FCollection.Items[I].DisplayName;
DividerToolButton1.Visible := (FCollection is TDBGridColumns);
btAddFlds.Visible := DividerToolButton1.Visible;
actAddFields.Enabled := DividerToolButton1.Visible;
if I >= CollectionListBox.Items.Count then
CollectionListBox.Items.Add(CurItem)
else
CollectionListBox.Items[I] := CurItem;
end;
// delete unneeded list items
if Cnt > 0 then
while CollectionListBox.Items.Count > Cnt do
CollectionListBox.Items.Delete(CollectionListBox.Items.Count - 1)
else
CollectionListBox.Items.Clear;
CollectionListBox.ItemIndex:=-1;
finally
CollectionListBox.Items.EndUpdate;
UpdateButtons;