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| ///////////////////////////////////////////////////////////////////////////
// //
// Copyright (c) 2015 by Charta Software B.V. //
// All rights reserved //
// //
// Version: 1.7.0.83525 //
// Web site: https://pascal.chartasoftware.com/ //
// //
// This code and information are provided "as is" without warranty of //
// any kind. Dissemination of this information or reproduction of //
// this material is strictly forbidden unless prior written permission //
// is obtained from Charta Software B.V.. //
// //
///////////////////////////////////////////////////////////////////////////
unit Table.Cells;
interface
uses
Collection.List,
Geometry._2d.Integer32.Point,
Geometry._2d.Integer32.Rectangle,
Integer._32,
Table.Row;
type
TTableCells = class(TObject)
private
FRows: TList<TTableRow>;
FBounds: TInteger32Rectangle;
procedure SetBounds(const Bounds: TInteger32Rectangle);
function GetRows(Index: TInteger32): TTableRow;
public
constructor Create(); virtual;
destructor Destroy(); override;
procedure Clear();
procedure CopyValuesFrom(Source: TTableCells); overload;
procedure CopyValuesFrom(const TargetLocation: TInteger32Point; Source: TTableCells; const SourceLocation: TInteger32Point); overload;
procedure MoveValuesFrom(const TargetLocation: TInteger32Point; Source: TTableCells; const SourceLocation: TInteger32Point); overload;
procedure AddRow(Row: TTableRow);
procedure InsertRow(Index: TInteger32; Row: TTableRow);
function ExtractRow(Index: TInteger32): TTableRow;
procedure RemoveRow(Index: TInteger32);
function CoalesceToRows(): TList<TTableRow>;
property Bounds: TInteger32Rectangle read FBounds write SetBounds;
property Rows[Index: TInteger32]: TTableRow read GetRows; default;
end;
implementation
uses
Geometry._2d.Integer32.Size,
Mathematics,
Object_.List;
{ TTableCells }
procedure TTableCells.AddRow(Row: TTableRow);
begin
FRows.Add(Row);
Inc(FBounds.Bottom);
end;
procedure TTableCells.Clear();
begin
FRows.Clear();
FBounds := TInteger32Rectangle.New(TInteger32Point.New(0, 0), TInteger32Size.New(0, 0));
end;
function TTableCells.CoalesceToRows(): TList<TTableRow>;
begin
Result := FRows;
FRows := nil;
Free();
end;
procedure TTableCells.CopyValuesFrom(const TargetLocation: TInteger32Point; Source: TTableCells; const SourceLocation: TInteger32Point);
var
i: TInteger32;
begin
for i := 0 to Bounds.Height - 1 do
Self[TargetLocation.Y + i].CopyValuesFrom(TargetLocation.X, Source[SourceLocation.Y + i], SourceLocation.X);
end;
procedure TTableCells.CopyValuesFrom(Source: TTableCells);
begin
CopyValuesFrom(TInteger32Point.New(0, 0), Source, TInteger32Point.New(Bounds.Left - Source.Bounds.Left, Bounds.Top - Source.Bounds.Top));
end;
constructor TTableCells.Create();
begin
inherited Create();
FRows := TObjectList<TTableRow>.Create();
FBounds := TInteger32Rectangle.New(TInteger32Point.New(0, 0), TInteger32Size.New(0, 0));
end;
destructor TTableCells.Destroy();
begin
FRows.Free();
inherited Destroy();
end;
function TTableCells.ExtractRow(Index: TInteger32): TTableRow;
begin
Result := FRows.ExtractAt(Index);
Dec(FBounds.Bottom);
end;
function TTableCells.GetRows(Index: TInteger32): TTableRow;
begin
Result := FRows[Index];
end;
procedure TTableCells.InsertRow(Index: TInteger32; Row: TTableRow);
begin
FRows.AddAt(Index, Row);
Inc(FBounds.Bottom);
end;
procedure TTableCells.MoveValuesFrom(const TargetLocation: TInteger32Point; Source: TTableCells; const SourceLocation: TInteger32Point);
var
i: TInteger32;
begin
for i := 0 to Source.Bounds.Height - 1 do
Self[TargetLocation.Y + i].MoveValuesFrom(TargetLocation.X, Source[SourceLocation.Y + i], SourceLocation.X);
end;
procedure TTableCells.RemoveRow(Index: TInteger32);
begin
ExtractRow(Index).Free();
end;
procedure TTableCells.SetBounds(const Bounds: TInteger32Rectangle);
var
i: TInteger32;
OldRowCount: TInteger32;
begin
OldRowCount := FRows.Count;
FBounds := Bounds;
FRows.Count := Bounds.Height;
for i := 0 to Minimum(OldRowCount, Bounds.Height) - 1 do
FRows[i].ColumnCount := Bounds.Width;
for i := OldRowCount to Bounds.Height - 1 do
FRows[i] := TTableRow.Create(Bounds.Width);
end;
end.
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