Fixed: designtime editor updates properly

Fixed: moving images in a graphiclist

Packages/D7/X2CLGL.dof

@@ -135,6 +135,7 @@ ProductName=
 ProductVersion=1.0.0.0
 Comments=
 [Excluded Packages]
+P:\Algemeen\components\X2CL\Lib\D7\X2CLGLD.bpl=X²CL GraphicList (Designtime)
 C:\Program Files\Borland\Indy\D7\dclIndy70.bpl=Internet Direct (Indy) for D7 Property and Component Editors
 [HistoryLists\hlUnitAliases]
 Count=1

Packages/X2CLGraphicsEditor.pas

@@ -74,6 +74,8 @@ type
 
     procedure InternalExecute(const AComponent: TComponent; const ADesigner: IDesigner);
 
+    procedure LoadGraphic(AIndex: Integer; AGraphic: TX2GraphicContainerItem; const AFileName: string);
+    
     procedure ItemChanged(AUpdatePreview: Boolean = True);
     procedure UpdateUI();
     procedure UpdatePreview();
@@ -153,6 +155,17 @@ begin
 end;
 
 
+procedure TGraphicsEditorForm.LoadGraphic(AIndex: Integer; AGraphic: TX2GraphicContainerItem; const AFileName: string);
+begin
+  AGraphic.Picture.LoadFromFile(AFileName);
+  if Length(AGraphic.PictureName) = 0 then
+  begin
+    AGraphic.PictureName      := ChangeFileExt(ExtractFileName(AFileName), '');
+    lstGraphics.Items[AIndex] := AGraphic.PictureName;
+  end;
+end;
+
+
 procedure TGraphicsEditorForm.ItemChanged(AUpdatePreview: Boolean);
 begin
   if Assigned(FComponentDesigner) then
@@ -200,7 +213,12 @@ begin
     if Active(index, graphic) then
     begin
       imgPreview.Picture.Assign(graphic.Picture);
-      txtName.Text  := graphic.PictureName;
+      txtName.Text              := graphic.PictureName;
+      lstGraphics.Items[index]  := graphic.PictureName;
+    end else
+    begin
+      imgPreview.Picture.Assign(nil);
+      txtName.Text              := '';
     end;
   finally
     FUpdating := False;
@@ -251,24 +269,33 @@ procedure TGraphicsEditorForm.actAddExecute(Sender: TObject);
 var
   index:        Integer;
   graphic:      TX2GraphicContainerItem;
+  fileIndex:    Integer;
 
 begin
   if Assigned(FComponentDesigner) then
   begin
-    graphic := TX2GraphicContainerItem(FComponentDesigner.CreateComponent(TX2GraphicContainerItem, nil, 0, 0, 0, 0));
+    dlgOpen.Filter  := GraphicFilter(TGraphic);
+    dlgOpen.Options := dlgOpen.Options + [ofAllowMultiSelect];
 
-    if Assigned(graphic) then
+    if dlgOpen.Execute() then
     begin
-      graphic.Container := FComponent;
+      for fileIndex := 0 to Pred(dlgOpen.Files.Count) do
-      index             := lstGraphics.Items.AddObject(graphic.PictureName,
+      begin
-                                                       graphic);
+        graphic := TX2GraphicContainerItem(FComponentDesigner.CreateComponent(TX2GraphicContainerItem, nil, 0, 0, 0, 0));
+
+        if Assigned(graphic) then
+        begin
+          graphic.Container     := FComponent;
+          index                 := lstGraphics.Items.AddObject('', graphic);
+          lstGraphics.ItemIndex := index;
+          
+          LoadGraphic(index, graphic, dlgOpen.Files[fileIndex]);
+        end else
+          raise Exception.Create('Failed to create TX2GraphicContainerItem!');
+      end;
 
-      lstGraphics.ItemIndex := index;
       ItemChanged();
-
+    end;
-      actOpen.Execute();
-    end else
-      raise Exception.Create('Failed to create TX2GraphicContainerItem!');
   end else
     raise Exception.Create('Designer not found!');
 end;
@@ -343,12 +370,11 @@ begin
   if Active(index, graphic) then
   begin
     dlgOpen.Filter  := GraphicFilter(TGraphic);
+    dlgOpen.Options := dlgOpen.Options - [ofAllowMultiSelect];
+
     if dlgOpen.Execute() then
     begin
-      graphic.Picture.LoadFromFile(dlgOpen.FileName);
+      LoadGraphic(index, graphic, dlgOpen.FileName);
-      if Length(graphic.PictureName) = 0 then
-        graphic.PictureName := ChangeFileExt(ExtractFileName(dlgOpen.FileName), '');
-
       ItemChanged();
     end;
   end;

Source/X2CLGraphicList.pas

@@ -101,6 +101,7 @@ type
     procedure AddGraphic(const AGraphic: TX2GraphicContainerItem); virtual;
     procedure RemoveGraphic(const AGraphic: TX2GraphicContainerItem); virtual;
     procedure UpdateGraphic(const AGraphic: TX2GraphicContainerItem); virtual;
+    procedure MoveGraphic(const AGraphic: TX2GraphicContainerItem; ANewIndex: Integer); virtual;
 
     procedure RegisterList(const AList: TX2GraphicList);
     procedure UnregisterList(const AList: TX2GraphicList);
@@ -167,6 +168,7 @@ type
     procedure AddImage(const AIndex: Integer); virtual;
     procedure UpdateImage(const AIndex: Integer); virtual;
     procedure DeleteImage(const AIndex: Integer); virtual;
+    procedure MoveImage(const AOldIndex, ANewIndex: Integer); virtual;
 
     procedure RebuildImages(); virtual;
 
@@ -194,6 +196,7 @@ uses
   ImgList,
   SysUtils;
 
+
 type
   PClass          = ^TClass;
 
@@ -231,6 +234,7 @@ begin
   FPicture.PictureAdapter := Self;
 end;
 
+
 destructor TX2GraphicContainerItem.Destroy();
 begin
   if Assigned(Container) then
@@ -284,6 +288,7 @@ begin
     Result := inherited GetParentComponent();
 end;
 
+
 function TX2GraphicContainerItem.HasParent(): Boolean;
 begin
   if Assigned(Container) then
@@ -302,6 +307,7 @@ begin
     Container := TX2GraphicContainer(Reader.Parent);
 end;
 
+
 procedure TX2GraphicContainerItem.SetParentComponent(AParent: TComponent);
 begin
   if not (csLoading in ComponentState) and (AParent is TX2GraphicContainer) then
@@ -316,6 +322,7 @@ begin
     Result := Container.GraphicsList.IndexOf(Self);
 end;
 
+
 procedure TX2GraphicContainerItem.SetContainer(const Value: TX2GraphicContainer);
 begin
   if Value <> Container then
@@ -331,31 +338,14 @@ begin
   end;
 end;
 
+
 procedure TX2GraphicContainerItem.SetIndex(const Value: Integer);
-var
-  count:      Integer;
-  curIndex:   Integer;
-  newIndex:   Integer;
-
 begin
-  curIndex := GetIndex();
+  if Assigned(Container) then
-
+    Container.MoveGraphic(Self, Value);
-  if curIndex > -1 then
-  begin
-    count     := Container.GraphicsList.Count;
-    newIndex  := Value;
-
-    if newIndex < 0 then
-      newIndex := 0;
-
-    if newIndex >= count then
-      newIndex := Pred(count);
-
-    if newIndex <> curIndex then
-      Container.GraphicsList.Move(curIndex, newIndex);
-  end;
 end;
 
+
 procedure TX2GraphicContainerItem.SetPicture(const Value: TPicture);
 begin
   FPicture.Assign(Value);
@@ -442,6 +432,7 @@ begin
   FLists    := TList.Create();
 end;
 
+
 destructor TX2GraphicContainer.Destroy();
 begin
   Clear();
@@ -468,6 +459,7 @@ begin
     end;
 end;
 
+
 function TX2GraphicContainer.GraphicByName(const AName: String): TX2GraphicContainerItem;
 var
   graphicIndex: Integer;
@@ -479,6 +471,7 @@ begin
     Result  := Graphics[graphicIndex];
 end;
 
+
 function TX2GraphicContainer.PictureByName(const AName: String): TPicture;
 var
   graphic: TX2GraphicContainerItem;
@@ -535,6 +528,7 @@ begin
   end;
 end;
 
+
 procedure TX2GraphicContainer.SetChildOrder(Component: TComponent; Order: Integer);
 begin
   if GraphicsList.IndexOf(Component) >= 0 then
@@ -648,6 +642,7 @@ begin
     TX2GraphicList(Lists[listIndex]).AddImage(graphicIndex);
 end;
 
+
 procedure TX2GraphicContainer.RemoveGraphic(const AGraphic: TX2GraphicContainerItem);
 var
   graphicIndex:   Integer;
@@ -666,6 +661,7 @@ begin
   end;
 end;
 
+
 procedure TX2GraphicContainer.UpdateGraphic(const AGraphic: TX2GraphicContainerItem);
 var
   graphicIndex: Integer;
@@ -682,6 +678,49 @@ begin
 end;
 
 
+procedure TX2GraphicContainer.MoveGraphic(const AGraphic: TX2GraphicContainerItem; ANewIndex: Integer);
+var
+  count:      Integer;
+  curIndex:   Integer;
+  newIndex:   Integer;
+  listIndex:  Integer;
+
+begin
+  if not Assigned(AGraphic.Container) then
+    Exit;
+
+  if AGraphic.Container <> Self then
+  begin
+    AGraphic.Container.MoveGraphic(AGraphic, ANewIndex);
+    Exit;
+  end;
+
+
+  curIndex := AGraphic.Index;
+
+  if curIndex > -1 then
+  begin
+    count     := GraphicsList.Count;
+    newIndex  := ANewIndex;
+
+    if newIndex < 0 then
+      newIndex := 0;
+
+    if newIndex >= count then
+      newIndex := Pred(count);
+
+    if newIndex <> curIndex then
+    begin
+      GraphicsList.Move(curIndex, newIndex);
+
+      for listIndex := Pred(Lists.Count) downto 0 do
+        TX2GraphicList(Lists[listIndex]).MoveImage(curIndex, newIndex);
+    end;
+  end;
+end;
+
+
+
 procedure TX2GraphicContainer.RegisterList(const AList: TX2GraphicList);
 begin
   if Lists.IndexOf(AList) = -1 then
@@ -691,6 +730,7 @@ begin
   end;
 end;
 
+
 procedure TX2GraphicContainer.UnregisterList(const AList: TX2GraphicList);
 begin
   if Lists.Remove(AList) > -1 then
@@ -704,6 +744,7 @@ begin
   Result := GraphicsList.Count;
 end;
 
+
 function TX2GraphicContainer.GetGraphics(Index: Integer): TX2GraphicContainerItem;
 begin
   Result := TX2GraphicContainerItem(GraphicsList[Index]);
@@ -730,6 +771,7 @@ begin
   FStretchMode  := smCrop;
 end;
 
+
 procedure TX2GraphicList.Loaded();
 begin
   inherited;
@@ -737,6 +779,7 @@ begin
   RebuildImages();
 end;
 
+
 procedure TX2GraphicList.Change();
 begin
   inherited;
@@ -912,6 +955,7 @@ begin
   Result  := True;
 end;
 
+
 procedure TX2GraphicList.DoDraw(Index: Integer; Canvas: TCanvas; X, Y: Integer;
                                 Style: Cardinal; Enabled: Boolean = True);
 begin
@@ -1060,6 +1104,7 @@ begin
   end;
 end;
 
+
 procedure TX2GraphicList.AddImage(const AIndex: Integer);
 var
   bmpImage:       TBitmap;
@@ -1090,6 +1135,7 @@ begin
   end;
 end;
 
+
 procedure TX2GraphicList.UpdateImage(const AIndex: Integer);
 var
   bmpImage:       TBitmap;
@@ -1118,6 +1164,7 @@ begin
   end;
 end;
 
+
 procedure TX2GraphicList.DeleteImage(const AIndex: Integer);
 begin
   BeginUpdate();
@@ -1129,6 +1176,17 @@ begin
 end;
 
 
+procedure TX2GraphicList.MoveImage(const AOldIndex, ANewIndex: Integer);
+begin
+  BeginUpdate();
+  try
+    Move(AOldIndex, ANewIndex);
+  finally
+    EndUpdate();
+  end;
+end;
+
+
 procedure TX2GraphicList.RebuildImages();
 var
   iIndex:       Integer;
@@ -1178,6 +1236,7 @@ begin
   end;
 end;
 
+
 procedure TX2GraphicList.Notification(AComponent: TComponent;
                                       Operation: TOperation);
 begin
@@ -1194,6 +1253,7 @@ begin
   RebuildImages();
 end;
 
+
 procedure TX2GraphicList.SetContainer(const Value: TX2GraphicContainer);
 begin
   if Assigned(FContainer) then
@@ -1213,6 +1273,7 @@ begin
   RebuildImages();
 end;
 
+
 procedure TX2GraphicList.SetConvert(const Value: Boolean);
 begin
   if Value <> FConvert then
@@ -1222,12 +1283,14 @@ begin
   end;
 end;
 
+
 procedure TX2GraphicList.SetEnabled(const Value: Boolean);
 begin
   FEnabled := Value;
   RebuildImages();
 end;
 
+
 procedure TX2GraphicList.SetStretchMode(const Value: TX2GLStretchMode);
 begin
   FStretchMode := Value;
@@ -1240,6 +1303,7 @@ begin
   Inc(FUpdateCount);
 end;
 
+
 procedure TX2GraphicList.EndUpdate();
 begin
   Assert(FUpdateCount > 0, 'EndUpdate without matching BeginUpdate!');
@@ -1256,6 +1320,7 @@ begin
   FPicture  := TPicture.Create();
 end;
 
+
 destructor TDeprecatedGraphicItem.Destroy();
 begin
   FreeAndNil(FPicture);
@@ -1263,12 +1328,14 @@ begin
   inherited;
 end;
 
+
 procedure TDeprecatedGraphicItem.SetPicture(const Value: TPicture);
 begin
   FPicture.Assign(Value);
 end;
 
 
+
 initialization
   RegisterClass(TX2GraphicContainerItem);