fpspreadsheet: Add method AddColors and event OnGetColorName to TsCellCombobox. Remove ComboColors.

git-svn-id: https://svn.code.sf.net/p/lazarus-ccr/svn@4607 8e941d3f-bd1b-0410-a28a-d453659cc2b4

components/fpspreadsheet/examples/visual/fpsctrls/main.lfm

@@ -78,7 +78,7 @@ object MainForm: TMainForm
       Align = alClient
       DefaultColWidth = 125
       MouseWheelOption = mwGrid
-      RowCount = 30
+      RowCount = 33
       TabOrder = 1
       TitleStyle = tsNative
       DisplayOptions = [doColumnTitles]
@@ -108,11 +108,14 @@ object MainForm: TMainForm
         '  PosCurrencyFormat=3'
         '  NegCurrencyFormat=8'
         '  TwoDigitYearCenturyWindow=50'
-        'Font0=Arial; size 10; black'
-        'Font1=Arial; size 10; blue; underline'
-        'Font2=Arial; size 10; black; bold'
-        'Font3=Arial; size 10; black; italic'
-        'CellFormat0=nfGeneral'
+        '(-) Images='
+        '(-) Fonts='
+        '  Font0=Arial; size 10; black'
+        '  Font1=Arial; size 10; blue; underline'
+        '  Font2=Arial; size 10; black; bold'
+        '  Font3=Arial; size 10; black; italic'
+        '(-) Cell formats='
+        '  CellFormat0=nfGeneral'
       )
       TitleCaptions.Strings = (
         'Properties'
@@ -374,6 +377,7 @@ object MainForm: TMainForm
       ColorRectOffset = 3
       ColorRectWidth = -1
       WorkbookSource = WorkbookSource
+      OnAddColors = ColorComboboxAddColors
       DropDownCount = 24
       ItemIndex = 0
       TabOrder = 2
@@ -388,6 +392,7 @@ object MainForm: TMainForm
       ColorRectOffset = 3
       ColorRectWidth = -1
       WorkbookSource = WorkbookSource
+      OnAddColors = ColorComboboxAddColors
       DropDownCount = 24
       ItemIndex = 0
       TabOrder = 3

components/fpspreadsheet/examples/visual/fpsctrls/main.pas

@@ -376,6 +376,7 @@ type
     procedure AcShowHeadersUpdate(Sender: TObject);
     procedure AcViewInspectorExecute(Sender: TObject);
     procedure EditCut1Execute(Sender: TObject);
+    procedure ColorComboboxAddColors(Sender: TObject);
     procedure FormCreate(Sender: TObject);
     procedure HyperlinkHandler(Sender: TObject; ACaption: String;
       var AHyperlink: TsHyperlink);
@@ -408,7 +409,6 @@ implementation
 uses
   LCLIntf, inifiles, uriparser,
   fpsUtils, fpsCSV,
-//  fpsCSV, fpsHTML, fpsOpenDocument, xlsbiff2, xlsbiff5, xlsbiff8, xlsxooxml, wikitable,
   sCSVParamsForm, sCurrencyForm, sFormatSettingsForm, sSortParamsForm,
   sHyperlinkForm, sNumFormatForm, sSearchForm;
 
@@ -651,6 +651,63 @@ begin
   InspectorSplitter.Left := 0;  // Make sure that the splitter is always at the left of the inspector
 end;
 
+procedure TMainForm.ColorComboboxAddColors(Sender: TObject);
+begin
+  with TsCellCombobox(Sender) do begin
+    // These are the Excel-8 palette colors, a bit rearranged and without the
+    // duplicates.
+    AddColor($000000, 'black');
+    AddColor($333333, 'gray 80%');
+    AddColor($808080, 'gray 50%');
+    AddColor($969696, 'gray 40%');
+    AddColor($C0C0C0, 'silver');
+    AddColor($FFFFFF, 'white');
+    AddColor($FF0000, 'red');
+    AddColor($00FF00, 'green');
+    AddColor($0000FF, 'blue');
+    AddColor($FFFF00, 'yellow');
+    AddColor($FF00FF, 'magenta');
+    AddColor($00FFFF, 'cyan');
+
+    AddColor($800000, 'dark red');
+    AddColor($008000, 'dark green');
+    AddColor($000080, 'dark blue');
+    AddColor($808000, 'olive');
+    AddColor($800080, 'purple');
+    AddColor($008080, 'teal');
+    AddColor($9999FF, 'periwinkle');
+    AddColor($993366, 'plum');
+    AddColor($FFFFCC, 'ivory');
+    AddColor($CCFFFF, 'light turquoise');
+    AddColor($660066, 'dark purple');
+    AddColor($FF8080, 'coral');
+    AddColor($0066CC, 'ocean blue');
+    AddColor($CCCCFF, 'ice blue');
+
+    AddColor($00CCFF, 'sky blue');
+    AddColor($CCFFCC, 'light green');
+    AddColor($FFFF99, 'light yellow');
+    AddColor($99CCFF, 'pale blue');
+    AddColor($FF99CC, 'rose');
+    AddColor($CC99FF, 'lavander');
+    AddColor($FFCC99, 'tan');
+
+    AddColor($3366FF, 'light blue');
+    AddColor($33CCCC, 'aqua');
+    AddColor($99CC00, 'lime');
+    AddColor($FFCC00, 'gold');
+    AddColor($FF9900, 'light orange');
+    AddColor($FF6600, 'orange');
+    AddColor($666699, 'blue gray');
+    AddColor($003366, 'dark teal');
+    AddColor($339966, 'sea green');
+    AddColor($003300, 'very dark green');
+    AddColor($333300, 'olive green');
+    AddColor($993300, 'brown');
+    AddColor($333399, 'indigo');
+  end;
+end;
+
 procedure TMainForm.EditCut1Execute(Sender: TObject);
 begin
   //

components/fpspreadsheet/fpspalette.pas

@@ -21,6 +21,7 @@ uses
 type
 
   { TsPalette }
+
   TsPalette = class
   private
     FColors: array of TsColor;

components/fpspreadsheet/fpspreadsheetctrls.pas

@@ -301,6 +301,9 @@ type
 
   { TsCellCombobox }
 
+  TsColorNameEvent = procedure (Sender: TObject; AColor: TColor;
+    out AColorName: String) of object;
+
  {@@ TsCellCombobox is a multi-purpose combobox for selection of formatting
      items of a cell }
   TsCellCombobox = class(TCustomCombobox, IsSpreadsheetControl)
@@ -309,6 +312,8 @@ type
     FFormatItem: TsCellFormatItem;
     FColorRectOffset: Integer;
     FColorRectWidth: Integer;
+    FOnAddColors: TNotifyEvent;
+    FOnGetColorName: TsColorNameEvent;
     function GetWorkbook: TsWorkbook;
     function GetWorksheet: TsWorksheet;
     procedure SetColorRectOffset(AValue: Integer);
@@ -331,6 +336,7 @@ type
   public
     constructor Create(AOwner: TComponent); override;
     destructor Destroy; override;
+    procedure AddColor(AColor: TsColor; AColorName: String);
     procedure ListenerNotification(AChangedItems: TsNotificationItems;
       AData: Pointer = nil);
     procedure RemoveWorkbookSource;
@@ -347,6 +353,10 @@ type
     property ColorRectWidth: Integer read FColorRectWidth write SetColorRectWidth default 10;
     {@@ Link to the WorkbookSource which provides the workbook and worksheet. }
     property WorkbookSource: TsWorkbookSource read FWorkbookSource write SetWorkbookSource;
+    {@@ Event which adds the colors to the combobox }
+    property OnAddColors: TNotifyEvent read FOnAddColors write FOnAddColors;
+    {@@ Event to get a decent name of the colors of the combo }
+    property OnGetColorName: TsColorNameEvent read FOnGetColorName write FOnGetColorName;
 
     { inherited properties }
     property Align;
@@ -483,9 +493,6 @@ type
 
 function SpreadsheetFormatInClipboard: Boolean;
 
-var
-  ComboColors: TsPalette = nil;
-
 procedure Register;
 
 
@@ -2116,6 +2123,20 @@ begin
   inherited Destroy;
 end;
 
+{@@ ----------------------------------------------------------------------------
+  Adds a named color to the combobox items
+-------------------------------------------------------------------------------}
+procedure TsCellCombobox.AddColor(AColor: TsColor; AColorName: String);
+var
+  noText: Boolean;
+begin
+  if (FFormatItem in [cfiFontColor, cfiBackgroundColor, cfiBorderColor]) then
+  begin
+    noText := (FColorRectWidth = -1);
+    Items.AddObject(StrUtils.IfThen(noText, '', AColorName), TObject(PtrInt(AColor)));
+  end;
+end;
+
 {@@ ----------------------------------------------------------------------------
   Applies the format to a cell. Override according to the format item for
   which the combobox is responsible.
@@ -2389,6 +2410,7 @@ procedure TsCellCombobox.Populate;
 var
   i: Integer;
   clr: TsColor;
+  clrname: String;
   noText: Boolean;
 begin
   if Workbook = nil then
@@ -2407,10 +2429,18 @@ begin
         Items.Clear;
         if FFormatItem = cfiBackgroundColor then
           Items.AddObject(StrUtils.IfThen(noText, '', '(none)'), TObject(scTransparent));
-        for i:=0 to ComboColors.Count-1 do
-        begin
-          clr := ComboColors[i];
-          Items.AddObject(StrUtils.IfThen(noText, '', GetColorName(clr)), TObject(PtrInt(clr)));
+        if Assigned(FOnAddColors) then
+          FOnAddColors(self)
+        else begin
+          // By default, add the Excel2 colors.
+          AddColor(scBlack, GetColorName(scBlack));
+          AddColor(scWhite, GetColorName(scWhite));
+          AddColor(scRed, GetColorName(scRed));
+          AddColor(scGreen, GetColorName(scGreen));
+          AddColor(scBlue, GetColorName(scBlue));
+          AddColor(scYellow, GetColorName(scYellow));
+          AddColor(scMagenta, GetColorName(scMagenta));
+          AddColor(scCyan, GetColorName(scCyan));
         end;
       end;
     else
@@ -3397,13 +3427,11 @@ end;
 initialization
   {$I fpspreadsheetctrls.lrs}
 
-//  CellClipboard := TsCellList.Create;
+  RegisterPropertyToSkip(TsSpreadsheetInspector, 'RowHeights',
+    'For compatibility with older Laz versions.', '');
 
-  ComboColors := TsPalette.Create;
-  ComboColors.AddExcelColors;
-
-  RegisterPropertyToSkip(TsSpreadsheetInspector, 'RowHeights', 'For compatibility with older Laz versions.', '');
-  RegisterPropertyToSkip(TsSpreadsheetInspector, 'ColWidths', 'For compatibility with older Laz versions.', '');
+  RegisterPropertyToSkip(TsSpreadsheetInspector, 'ColWidths',
+    'For compatibility with older Laz versions.', '');
 
   { Clipboard formats }
   cfBiff8Format := RegisterclipboardFormat('Biff8');
@@ -3411,14 +3439,10 @@ initialization
   cfHTMLFormat := RegisterClipboardFormat('HTML Format');
   cfTextHTMLFormat := RegisterClipboardFormat('text/html');
   cfCSVFormat := RegisterClipboardFormat('CSV');
+
   { not working...
   cfOpenDocumentFormat := RegisterClipboardFormat('application/x-openoffice-embed-source-xml;windows_formatname="Star Embed Source (XML)"');
   cfStarObjectDescriptor := RegisterClipboardFormat('application/x-openoffice-objectdescriptor-xml;windows_formatname="Star Object Descriptor (XML)"');
   }
 
-finalization
-//  CellClipboard.Free;
-  if ComboColors <> nil then ComboColors.Free;
-
-
 end.