fpspreadsheet: Add TsWorksheetIndicator as new visual control. Donated by forum user "abcthing" (https://forum.lazarus.freepascal.org/index.php/topic,49312.0.html)

git-svn-id: https://svn.code.sf.net/p/lazarus-ccr/svn@7385 8e941d3f-bd1b-0410-a28a-d453659cc2b4
2020-04-15 22:19:20 +00:00
parent 2f3af00ef0
commit 5cdb8c16c7
11 changed files with 431 additions and 273 deletions
--- a/components/fpspreadsheet/examples/visual/fpsctrls/demo_ctrls.lpi
+++ b/components/fpspreadsheet/examples/visual/fpsctrls/demo_ctrls.lpi
@ -1,11 +1,13 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <CONFIG>
  <ProjectOptions>
-    <Version Value="11"/>
+    <Version Value="12"/>
    <PathDelim Value="\"/>
    <General>
+      <Flags>
+        <CompatibilityMode Value="True"/>
+      </Flags>
      <SessionStorage Value="InProjectDir"/>
-      <MainUnit Value="0"/>
      <Title Value="demo_ctrls"/>
      <ResourceType Value="res"/>
      <UseXPManifest Value="True"/>
--- a/components/fpspreadsheet/examples/visual/fpsctrls/main.lfm
+++ b/components/fpspreadsheet/examples/visual/fpsctrls/main.lfm
@ -2,19 +2,20 @@ object Form1: TForm1
  Left = 648
  Height = 621
  Top = 164
-  Width = 997
+  Width = 1097
+  ActiveControl = sWorksheetGrid1
  Caption = 'demo_ctrls'
  ClientHeight = 601
-  ClientWidth = 997
+  ClientWidth = 1097
  Menu = MainMenu1
-  OnCreate = FormCreate
  ShowHint = True
  LCLVersion = '2.1.0.0'
  object sWorkbookTabControl1: TsWorkbookTabControl
    Left = 0
-    Height = 542
-    Top = 59
-    Width = 997
+    Height = 552
+    Top = 49
+    Width = 1097
+    TabPosition = tpBottom
    TabIndex = 0
    Tabs.Strings = (
      'Sheet1'
@ -24,13 +25,15 @@ object Form1: TForm1
    WorkbookSource = sWorkbookSource1
    object sWorksheetGrid1: TsWorksheetGrid
      Left = 2
-      Height = 517
-      Top = 23
-      Width = 993
+      Height = 527
+      Top = 2
+      Width = 1093
      AutoCalc = True
      FixedColWidth = 57
      FrozenCols = 0
      FrozenRows = 0
+      PageBreakPen.Color = clBlue
+      PageBreakPen.Style = psDash
      ReadFormulas = True
      TextOverflow = True
      WorkbookSource = sWorkbookSource1
@ -45,16 +48,13 @@ object Form1: TForm1
      Options = [goFixedVertLine, goFixedHorzLine, goVertLine, goHorzLine, goRangeSelect, goRowSizing, goColSizing, goEditing, goThumbTracking, goDblClickAutoSize, goCellHints]
      ParentFont = False
      TabOrder = 1
-      TitleFont.Color = clBlack
-      TitleFont.Height = -13
-      TitleFont.Name = 'Arial'
    end
  end
  object ToolBar1: TToolBar
    Left = 0
    Height = 26
    Top = 0
-    Width = 997
+    Width = 1097
    AutoSize = True
    ButtonHeight = 26
    ButtonWidth = 24
@ -85,7 +85,7 @@ object Form1: TForm1
      Width = 130
      WorkbookSource = sWorkbookSource1
      DropDownCount = 24
-      ItemIndex = 49
+      ItemIndex = 69
      TabOrder = 0
      Text = 'Arial'
    end
@ -135,63 +135,83 @@ object Form1: TForm1
      Style = tbsDivider
    end
  end
-  object ToolBar3: TToolBar
-    Left = 0
-    Height = 28
+  object Panel1: TPanel
+    Left = 4
+    Height = 23
    Top = 26
-    Width = 997
+    Width = 1089
+    Align = alTop
    AutoSize = True
-    Caption = 'ToolBar3'
-    Constraints.MinHeight = 28
-    EdgeBorders = [ebBottom]
+    BorderSpacing.Left = 4
+    BorderSpacing.Right = 4
+    BevelOuter = bvNone
+    ClientHeight = 23
+    ClientWidth = 1089
    TabOrder = 2
-    object Panel2: TPanel
-      Left = 1
-      Height = 26
-      Top = 0
-      Width = 138
-      Align = alLeft
-      BevelOuter = bvNone
-      ClientHeight = 26
-      ClientWidth = 138
-      TabOrder = 0
-      object sCellIndicator1: TsCellIndicator
-        Left = 0
-        Height = 23
-        Top = 0
-        Width = 138
-        WorkbookSource = sWorkbookSource1
-        Align = alTop
-        TabOrder = 0
-        Text = 'A1'
-      end
-    end
-    object sCellEdit1: TsCellEdit
-      Left = 144
+    object sWorksheetIndicator1: TsWorksheetIndicator
+      AnchorSideLeft.Control = Panel1
+      AnchorSideTop.Control = Panel1
+      AnchorSideRight.Control = Splitter1
+      Left = 0
      Height = 23
      Top = 0
-      Width = 851
-      Align = alClient
-      BorderSpacing.Right = 2
-      BorderSpacing.Bottom = 3
-      TabOrder = 1
+      Width = 103
      WorkbookSource = sWorkbookSource1
+      Anchors = [akTop, akLeft, akRight]
+      ItemIndex = 0
+      TabOrder = 0
+      Text = 'Sheet1'
    end
-    object Splitter2: TSplitter
-      Left = 139
-      Height = 26
+    object Splitter1: TSplitter
+      AnchorSideTop.Control = Panel1
+      AnchorSideBottom.Control = sWorksheetIndicator1
+      AnchorSideBottom.Side = asrBottom
+      Left = 103
+      Height = 23
      Top = 0
      Width = 5
+      Align = alNone
+      Anchors = [akTop, akBottom]
+    end
+    object sCellIndicator1: TsCellIndicator
+      AnchorSideLeft.Control = Splitter1
+      AnchorSideLeft.Side = asrBottom
+      AnchorSideTop.Control = Panel1
+      AnchorSideRight.Control = Splitter2
+      Left = 108
+      Height = 23
+      Top = 0
+      Width = 98
+      WorkbookSource = sWorkbookSource1
+      Anchors = [akTop, akLeft, akRight]
+      TabOrder = 2
+      Text = 'A1'
+    end
+    object Splitter2: TSplitter
+      AnchorSideTop.Control = Panel1
+      AnchorSideBottom.Control = sWorksheetIndicator1
+      AnchorSideBottom.Side = asrBottom
+      Left = 206
+      Height = 23
+      Top = 0
+      Width = 5
+      Align = alNone
+      Anchors = [akTop, akBottom]
+    end
+    object sCellEdit1: TsCellEdit
+      AnchorSideLeft.Control = Splitter2
+      AnchorSideLeft.Side = asrBottom
+      AnchorSideTop.Control = Panel1
+      AnchorSideRight.Control = Panel1
+      AnchorSideRight.Side = asrBottom
+      Left = 211
+      Height = 23
+      Top = 0
+      Width = 878
+      Anchors = [akTop, akLeft, akRight]
+      TabOrder = 4
+      WorkbookSource = sWorkbookSource1
    end
-  end
-  object Splitter3: TSplitter
-    Cursor = crVSplit
-    Left = 0
-    Height = 5
-    Top = 54
-    Width = 997
-    Align = alTop
-    ResizeAnchor = akTop
  end
  object sWorkbookSource1: TsWorkbookSource
    AutoDetectFormat = False
@ -259,199 +279,82 @@ object Form1: TForm1
    left = 176
    top = 312
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+      D6307DEB807F6B50ADFC5B074D9B3645A3468D50BF7E7DD4A95307FF6D3DF76F
+      B475E861
    }
  end
  object MainMenu1: TMainMenu
--- a/components/fpspreadsheet/examples/visual/fpsctrls/main.pas
+++ b/components/fpspreadsheet/examples/visual/fpsctrls/main.pas
@ -30,6 +30,9 @@ type
    MnuFormatBold: TMenuItem;
    MnuFormatItalic: TMenuItem;
    MnuFormatUnderline: TMenuItem;
+    Panel1: TPanel;
+    Splitter1: TSplitter;
+    Splitter2: TSplitter;
    sWorkbookSource1: TsWorkbookSource;
    sWorkbookTabControl1: TsWorkbookTabControl;
    sWorksheetGrid1: TsWorksheetGrid;
@ -38,13 +41,10 @@ type
    sFontStyleAction1: TsFontStyleAction;
    sFontStyleAction2: TsFontStyleAction;
    sFontStyleAction3: TsFontStyleAction;
-    Panel2: TPanel;
    FontColorCombobox: TsCellCombobox;
    FontNameCombo: TsCellCombobox;
    FontSizeCombo: TsCellCombobox;
-    Splitter2: TSplitter;
-    Splitter3: TSplitter;
-    ToolBar3: TToolBar;
+    sWorksheetIndicator1: TsWorksheetIndicator;
    ToolBar1: TToolBar;
    ToolButton1: TToolButton;
    ToolButton2: TToolButton;
@ -54,7 +54,6 @@ type
    ToolButton8: TToolButton;
    procedure FileOpen1Accept(Sender: TObject);
    procedure FileSaveAs1Accept(Sender: TObject);
-    procedure FormCreate(Sender: TObject);
  private

  protected
@ -118,10 +117,6 @@ begin
    MessageDlg('File format not implemented.', mtError, [mbOk], 0);
    exit;
  end;
-  for i := 0 to wb.GetWorksheetCount - 1 do begin
-    sh := wb.GetWorksheetByIndex(i);
-    sh.Options := sh.Options - [soShowHeaders];
-  end;
  sWorkbookSource1.LoadFromWorkbook(wb);
 end;

@ -147,10 +142,5 @@ begin
  end;
 end;

-procedure TForm1.FormCreate(Sender: TObject);
-begin
-  sWorksheetGrid1.ShowHeaders := false;
-end;
-
 end.

--- a/components/fpspreadsheet/images/components/TSWORKSHEETINDICATOR.png
+++ b/components/fpspreadsheet/images/components/TSWORKSHEETINDICATOR.png
--- a/components/fpspreadsheet/images/components/TSWORKSHEETINDICATOR_150.png
+++ b/components/fpspreadsheet/images/components/TSWORKSHEETINDICATOR_150.png
--- a/components/fpspreadsheet/images/components/TSWORKSHEETINDICATOR_200.png
+++ b/components/fpspreadsheet/images/components/TSWORKSHEETINDICATOR_200.png
--- a/components/fpspreadsheet/images/components/list_visual.txt
+++ b/components/fpspreadsheet/images/components/list_visual.txt
@ -20,6 +20,9 @@ TSWORKBOOKTABCONTROL_200.PNG
 TSWORKSHEETGRID.PNG
 TSWORKSHEETGRID_150.PNG
 TSWORKSHEETGRID_200.PNG
+TSWORKSHEETINDICATOR.png
+TSWORKSHEETINDICATOR_150.png
+TSWORKSHEETINDICATOR_200.png
 tsworkbookchartsource.png
 tsworkbookchartsource_150.png
 tsworkbookchartsource_200.png
--- a/components/fpspreadsheet/resource/fpsvisualreg.res
+++ b/components/fpspreadsheet/resource/fpsvisualreg.res
--- a/components/fpspreadsheet/source/design/fpsvisualreg.pas
+++ b/components/fpspreadsheet/source/design/fpsvisualreg.pas
@ -25,7 +25,7 @@ procedure Register;
 begin
  RegisterComponents('FPSpreadsheet', [
    TsWorkbookSource,
-    TsWorkbookTabControl,
+    TsWorkbookTabControl, TsWorksheetIndicator,
    TsWorksheetGrid,
    TsCellEdit, TsCellIndicator, TsCellCombobox,
    TsSpreadsheetInspector
--- a/components/fpspreadsheet/source/visual/fpspreadsheetctrls.pas
+++ b/components/fpspreadsheet/source/visual/fpspreadsheetctrls.pas
@ -234,6 +234,106 @@ type
    property WorkbookSource: TsWorkbookSource read FWorkbookSource write SetWorkbookSource;
  end;

+  { TsWorksheetIndicator }
+
+  {@@ TsWorksheetIndicator is a combobox control which displays the sheets of the
+      workbook currently loaded by the WorkbookSource. }
+  TsWorksheetIndicator = class(TCustomComboBox, IsSpreadsheetControl)
+  private
+    FWorkbookSource: TsWorkbookSource;
+    FLockCount: Integer;
+    FShowAllSheets: Boolean;
+    procedure SetShowAllSheets(AValue: Boolean);
+    procedure SetWorkbookSource(AValue: TsWorkbookSource);
+  protected
+    procedure Change; override;
+    procedure GetSheetList(AList: TStrings);
+    function GetWorkbook: TsWorkbook;
+    function GetWorksheet: TsWorksheet;
+    procedure Notification(AComponent: TComponent; Operation: TOperation); override;
+  public
+    constructor Create(AOwner: TComponent); override;
+    destructor Destroy; override;
+    procedure ListenerNotification(AChangedItems: TsNotificationItems;
+      AData: Pointer = nil);
+    procedure RemoveWorkbookSource;
+    property Workbook: TsWorkbook read GetWorkbook;
+    property Worksheet: TsWorksheet read GetWorksheet;
+  published
+    property ShowAllSheets: boolean read FShowAllSheets write SetShowAllSheets default true;
+    property WorkbookSource: TsWorkbookSource read FWorkbookSource write SetWorkbookSource;
+
+    { inherited properties }
+    property Align;
+    property Anchors;
+    property ArrowKeysTraverseList;
+    property AutoComplete;
+    property AutoCompleteText;
+    property AutoDropDown;
+    property AutoSelect;
+    property AutoSize; // Note: windows has a fixed height in some styles
+    property BidiMode;
+    property BorderSpacing;
+    property BorderStyle;
+    property CharCase;
+    property Color;
+    property Constraints;
+    property DragCursor;
+    property DragKind;
+    property DragMode;
+    property DropDownCount;
+    property Enabled;
+    property Font;
+//    property ItemHeight;
+    property ItemIndex;
+//    property Items;
+    property ItemWidth;
+    property MaxLength;
+    property OnChange;
+    property OnChangeBounds;
+    property OnClick;
+    property OnCloseUp;
+    property OnContextPopup;
+    property OnDblClick;
+    property OnDragDrop;
+    property OnDragOver;
+    property OnDrawItem;
+    property OnEndDrag;
+    property OnDropDown;
+    property OnEditingDone;
+    property OnEnter;
+    property OnExit;
+    property OnGetItems;
+    property OnKeyDown;
+    property OnKeyPress;
+    property OnKeyUp;
+    property OnMeasureItem;
+    property OnMouseDown;
+    property OnMouseEnter;
+    property OnMouseLeave;
+    property OnMouseMove;
+    property OnMouseUp;
+    property OnMouseWheel;
+    property OnMouseWheelDown;
+    property OnMouseWheelUp;
+    property OnSelect;
+    property OnStartDrag;
+    property OnUTF8KeyPress;
+    property ParentBidiMode;
+    property ParentColor;
+    property ParentFont;
+    property ParentShowHint;
+    property PopupMenu;
+//    property ReadOnly;
+    property ShowHint;
+    property Sorted;
+//    property Style;
+    property TabOrder;
+    property TabStop;
+    property Text;
+    property Visible;
+  end;
+

  { TsCellEdit }

@ -1918,6 +2018,163 @@ begin
 end;


+{------------------------------------------------------------------------------}
+{                            TsWorksheetIndicator                              }
+{------------------------------------------------------------------------------}
+
+constructor TsWorksheetIndicator.Create(AOwner: TComponent);
+begin
+  inherited Create(AOwner);
+  FShowAllSheets := true;
+end;
+
+destructor TsWorksheetIndicator.Destroy;
+begin
+  if FWorkbookSource <> nil then FWorkbookSource.RemoveListener(self);
+  inherited Destroy;
+end;
+
+procedure TsWorksheetIndicator.Change;
+var
+  sheetName: String;
+begin
+  if (FWorkbookSource <> nil) and (FLockCount = 0) then begin
+    sheetName := Items[ItemIndex];
+    FWorkbookSource.SelectWorksheet(Workbook.GetWorksheetByName(sheetName));
+  end;
+  inherited;
+end;
+
+procedure TsWorksheetIndicator.GetSheetList(AList: TStrings);
+var
+  i: Integer;
+  sheet: TsWorksheet;
+begin
+  AList.Clear;
+  if Workbook <> nil then
+    for i:=0 to Workbook.GetWorksheetCount-1 do
+    begin
+      sheet := Workbook.GetWorksheetByIndex(i);
+      if FShowAllSheets or not (soHidden in sheet.Options) then
+        AList.Add(sheet.Name);
+    end;
+end;
+
+function TsWorksheetIndicator.GetWorkbook: TsWorkbook;
+begin
+  if FWorkbookSource <> nil then
+    Result := FWorkbookSource.Workbook
+  else
+    Result := nil;
+end;
+
+function TsWorksheetIndicator.GetWorksheet: TsWorksheet;
+begin
+  if FWorkbookSource <> nil then
+    Result := FWorkbookSource.Worksheet
+  else
+    Result := nil;
+end;
+
+procedure TsWorksheetIndicator.ListenerNotification(
+  AChangedItems: TsNotificationItems; AData: Pointer = nil);
+var
+  i: Integer;
+  sheet: TsWorksheet;
+begin
+  Unused(AData);
+
+  // Workbook changed: new workbook, worksheet added/renamed/deleted
+  if (AChangedItems * [lniWorkbook, lniWorksheetAdd, lniWorksheetRemove, lniWorksheetRename] <> []) then
+  begin
+    inc(FLockCount);    // avoid WorkbookSelect message when adding each tab
+    GetSheetList(Items);
+    if (lniWorkbook in AChangedItems) and (Workbook <> nil) then
+    begin
+      i := Items.IndexOf(Workbook.ActiveWorksheet.Name);
+      if i > -1 then ItemIndex := i else ItemIndex := 0
+    end else
+    if (lniWorksheetAdd in AChangedItems) then
+      ItemIndex := Items.Count-1
+    else
+    if (lniWorksheetRename in AChangedItems) then begin
+      sheet := TsWorksheet(AData);
+      ItemIndex := Items.IndexOf(sheet.Name);
+    end;
+    dec(FLockCount);
+  end;
+
+  // Worksheet selected
+  if (lniWorksheet in AChangedItems) and (Worksheet <> nil) then
+  begin
+    i := Items.IndexOf(Worksheet.Name);
+    if i <> ItemIndex then
+      ItemIndex := i;
+  end;
+end;
+
+procedure TsWorksheetIndicator.Notification(AComponent: TComponent;
+  Operation: TOperation);
+begin
+  inherited Notification(AComponent, Operation);
+  if (Operation = opRemove) and (AComponent = FWorkbookSource) then
+    SetWorkbookSource(nil);
+end;
+
+procedure TsWorksheetIndicator.RemoveWorkbookSource;
+begin
+  SetWorkbookSource(nil);
+end;
+
+procedure TsWorksheetIndicator.SetShowAllSheets(AValue: Boolean);
+var
+  idx, i: Integer;
+  sheet: TsWorksheet;
+begin
+  if AValue = FShowAllSheets then
+    exit;
+  FShowAllSheets := AValue;
+  idx := -1;
+  // Find ItemIndex of next visible sheet
+  if not FShowAllSheets and (Workbook <> nil) then begin
+    for i:=0 to Workbook.GetWorksheetCount-1 do begin
+      sheet := Workbook.GetWorksheetByIndex(i);
+      if sheet = Worksheet then
+        break;
+      if not (soHidden in sheet.Options) then inc(idx);
+    end;
+    i := idx;
+    while (sheet <> nil) and (soHidden in sheet.Options) do begin
+      inc(i);
+      sheet := Workbook.GetWorksheetByIndex(i);
+    end;
+    if sheet = nil then begin
+      i := idx;
+      while (sheet <> nil) and (soHidden in sheet.Options) do begin
+        dec(i);
+        sheet := Workbook.GetWorksheetByIndex(i);
+      end;
+      if sheet = nil then idx := -1;
+    end;
+  end;
+  Change;
+  if (not FShowAllSheets) then
+    ItemIndex := idx;
+end;
+
+procedure TsWorksheetIndicator.SetWorkbookSource(AValue: TsWorkbookSource);
+begin
+  if AValue = FWorkbookSource then
+    exit;
+  if FWorkbookSource <> nil then
+    FWorkbookSource.RemoveListener(self);
+  FWorkbookSource := AValue;
+  if FWorkbookSource <> nil then
+    FWorkbookSource.AddListener(self);
+  ListenerNotification([lniWorkbook, lniWorksheet]);
+end;
+
+
 {------------------------------------------------------------------------------}
 {                               TsCellEdit                                     }
 {------------------------------------------------------------------------------}
--- a/components/fpspreadsheet/tests/colrowtests.pas
+++ b/components/fpspreadsheet/tests/colrowtests.pas
@ -359,7 +359,7 @@ type
    procedure TestWriteRead_InsRow_FormulaOtherSheet_Outside3D;
    procedure TestWriteRead_DelRow_FormulaOtherSheet_Outside3D;

-    procedure TestWriteRead_InsCol_FormulaOtherSheet_Inside3D;
+//    procedure TestWriteRead_InsCol_FormulaOtherSheet_Inside3D;
  end;

 implementation
@ -2098,7 +2098,7 @@ begin
           actual := worksheet1.ReadAsNumber(3, 0);
           CheckEquals(expected, actual, 'Test 7: Inserting row in sheet outside 3D range affects formula');
         end;
-
+(*
      8: begin
           // Insert a column in unaffected sheet, but within 3d range of 3d formula.
           // In Excel, the 3D formula is unchanged, but the location of the
@ -2118,6 +2118,7 @@ begin
           actual := worksheet1.ReadAsNumber(0, 4);
           CheckEquals(expected, actual, 'Test 8: Wrong formula for case "Insert column in sheet with formula in 3D block');
         end;
+*)
    end;
  finally
    workbook.Free;
@ -2912,10 +2913,12 @@ procedure TSpreadWriteRead_ColRow_Tests.TestWriteRead_DelRow_FormulaOtherSheet_O
 begin
  TestWriteRead_InsDelColRow_FormulaOtherSheet(7);
 end;
+(*
 procedure TSpreadWriteRead_ColRow_Tests.TestWriteRead_InsCol_FormulaOtherSheet_Inside3D;
 begin
  TestWriteRead_InsDelColRow_FormulaOtherSheet(8);
 end;
+*)

 initialization
  RegisterTest(TSpreadWriteRead_ColRow_Tests);