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FastReport_FMX_2.8.12/Source/FMX.frxDesgnWorkspace.pas

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2024-01-10 21:50:38 +01:00
{******************************************}
{ }
{ FastReport v4.0 }
{ Common designer workspace }
{ }
{ Copyright (c) 1998-2008 }
{ by Alexander Tzyganenko, }
{ Fast Reports Inc. }
{ }
{******************************************}
unit FMX.frxDesgnWorkspace;
interface
{$I frx.inc}
uses
System.SysUtils, System.Classes, System.Types, System.UITypes, FMX.Platform, FMX.Controls, FMX.Objects, FMX.Types, FMX.Forms,
FMX.Dialogs, FMX.ExtCtrls, FMX.Memo, FMX.frxClass, System.Variants, System.UIConsts
{$IFDEF DELPHI18}
,FMX.StdCtrls
{$ENDIF}
{$IFDEF DELPHI19}
, FMX.Graphics
{$ENDIF}
{$IFDEF DELPHI20}
, System.Math.Vectors
{$ENDIF}
{$IFDEF DELPHI28}
, FMX.BaseTypeAliases, FMX.FormTypeAliases
{$ENDIF};
type
TfrxDesignMode = (dmSelect, dmInsert, dmDrag);
TfrxDesignMode1 = (dmNone, dmMove, dmSize, dmSizeBand, dmScale,
dmSelectionRect, dmInsertObject, dmInsertLine,
dmMoveGuide, dmContainer);
TfrxGridType = (gt1pt, gt1cm, gt1in, gtDialog, gtChar, gtNone);
TfrxCursorType = (ct0, ct1, ct2, ct3, ct4, ct5, ct6, ct7, ct8, ct9, ct10);
TfrxNotifyPositionEvent = procedure (ARect: TfrxRect) of object;
TfrxPopupEvent = procedure(Sender: TObject; X, Y: Single) of object;
TfrxInsertion = packed record
ComponentClass: TfrxComponentClass;
Left: Extended;
Top: Extended;
Width: Extended;
Height: Extended;
OriginalWidth: Extended;
OriginalHeight: Extended;
Flags: Word;
end;
TfrxDesignerWorkspace = class(TPanel)
protected
FBandHeader: Extended;
FCanvas: TCanvas;
FColor: TAlphaColor;
FCT: TfrxCursorType;
FDblClicked: Boolean;
FDisableUpdate: Boolean;
FFreeBandsPlacement: Boolean;
FGapBetweenBands: Integer;
FGridAlign: Boolean;
FGridLCD: Boolean;
FGridType: TfrxGridType;
FGridX: Extended;
FGridY: Extended;
FInplaceMemo: TMemo;
FInplaceObject: TfrxCustomMemoView;
FInsertion: TfrxInsertion;
FLastMousePointX: Extended;
FLastMousePointY: Extended;
FMargins: TRect;
FMarginsPanel: TPanel;
FMode: TfrxDesignMode;
FMode1: TfrxDesignMode1;
FModifyFlag: Boolean;
FMouseDown: Boolean;
FObjects: TList;
FOffsetX: Extended;
FOffsetY: Extended;
FPage: TfrxPage;
FPageHeight: Integer;
FPageWidth: Integer;
FScale: Extended;
FScaleRect: TfrxRect;
FScaleRect1: TfrxRect;
FSelectedObjects: TList;
FSavedAlign: TList;
FSelectionRect: TfrxRect;
FShowBandCaptions: Boolean;
FShowEdges: Boolean;
FShowGrid: Boolean;
FSizedBand: TfrxBand;
FOnModify: TNotifyEvent;
FOnEdit: TNotifyEvent;
FOnInsert: TNotifyEvent;
FOnNotifyPosition: TfrxNotifyPositionEvent;
FOnSelectionChanged: TNotifyEvent;
FDrawSelection: Boolean;
FDrawInsertion: Boolean;
FOnPopup: TfrxPopupEvent;
FFastCanvas: TCanvas;
FParentForm: TFmxObject;
procedure DoModify;
procedure AdjustBandHeight(Bnd: TfrxBand);
procedure CheckGuides(var kx, ky: Extended; var Result: Boolean); virtual;
procedure DoNudge(dx, dy: Extended; Smooth: Boolean);
procedure DoSize(dx, dy: Extended);
procedure DoStick(dx, dy: Integer);
procedure DoTab;
procedure DrawBackground;
procedure DrawCross;
procedure DrawInsertionRect;
procedure DrawObjects; virtual;
procedure DrawSelectionRect;
procedure FindNearest(dx, dy: Integer);
procedure MouseLeave;
procedure NormalizeCoord(c: TfrxComponent);
procedure NormalizeRect(var R: TfrxRect);
procedure SelectionChanged;
procedure SetScale(Value: Extended);
procedure SetShowBandCaptions(const Value: Boolean);
procedure UpdateBandHeader;
procedure DblClick; override;
procedure KeyDown(var Key: Word; var KeyChar: WideChar; Shift: TShiftState); override;
procedure KeyUp(var Key: Word; var KeyChar: WideChar; Shift: TShiftState); override;
procedure MouseDown(Button: TMouseButton; Shift: TShiftState; X, Y: Single); override;
procedure MouseMove(Shift: TShiftState; X, Y: Single); override;
procedure MouseUp(Button: TMouseButton; Shift: TShiftState; X, Y: Single); override;
// debug
procedure PrepareShiftTree(Band: TfrxBand);
procedure SetColor(const Value: TAlphaColor);
procedure SetGridType(const Value: TfrxGridType);
procedure SetOrigin(const Value: TPoint);
procedure SetParent(const Value: TFmxObject); override;
procedure SetShowGrid(const Value: Boolean);
function GetOrigin: TPoint;
function GetRightBottomObject: TfrxComponent;
function GetSelectionBounds: TfrxRect;
function ListsEqual(List1, List2: TList): Boolean;
function SelectedCount: Integer;
procedure DoDraw(ACanvas: TCanvas); virtual;
procedure DoDeactivate;{$IFDEF Delphi19} override;{$ENDIF}
public
constructor Create(AOwner: TComponent); override;
destructor Destroy; override;
procedure DoPaint; override;
procedure AdjustBands(AttachObjects: Boolean = True);
procedure DeleteObjects; virtual;
procedure DisableUpdate;
procedure EnableUpdate;
procedure EditObject; virtual;
procedure GroupObjects;
procedure UngroupObjects;
procedure SetInsertion(AClass: TfrxComponentClass;
AWidth, AHeight: Extended; AFlag: Word); virtual;
procedure SetPageDimensions(AWidth, AHeight: Integer; AMargins: TRect);
procedure UpdateView;
property BandHeader: Extended read FBandHeader write FBandHeader;
property Color: TAlphaColor read FColor write SetColor;
property FastCanvas: TCanvas read FFastCanvas;
property FreeBandsPlacement: Boolean read FFreeBandsPlacement write FFreeBandsPlacement;
property GapBetweenBands: Integer read FGapBetweenBands write FGapBetweenBands;
property GridAlign: Boolean read FGridAlign write FGridAlign;
property GridLCD: Boolean read FGridLCD write FGridLCD;
property GridType: TfrxGridType read FGridType write SetGridType;
property GridX: Extended read FGridX write FGridX;
property GridY: Extended read FGridY write FGridY;
property Insertion: TfrxInsertion read FInsertion;
property IsMouseDown: Boolean read FMouseDown;
property Mode: TfrxDesignMode1 read FMode1;
property Objects: TList read FObjects write FObjects;
property OffsetX: Extended read FOffsetX write FOffsetX;
property OffsetY: Extended read FOffsetY write FOffsetY;
property Origin: TPoint read GetOrigin write SetOrigin;
property Page: TfrxPage read FPage write FPage;
property Scale: Extended read FScale write SetScale;
property SelectedObjects: TList read FSelectedObjects write FSelectedObjects;
property ShowBandCaptions: Boolean read FShowBandCaptions write SetShowBandCaptions;
property ShowEdges: Boolean read FShowEdges write FShowEdges;
property ShowGrid: Boolean read FShowGrid write SetShowGrid;
property OnModify: TNotifyEvent read FOnModify write FOnModify;
property OnEdit: TNotifyEvent read FOnEdit write FOnEdit;
property OnInsert: TNotifyEvent read FOnInsert write FOnInsert;
property OnNotifyPosition: TfrxNotifyPositionEvent read FOnNotifyPosition write
FOnNotifyPosition;
property OnSelectionChanged: TNotifyEvent read FOnSelectionChanged write
FOnSelectionChanged;
property OnPopup: TfrxPopupEvent read FOnPopup write FOnPopup;
end;
implementation
uses FMX.frxRes, FMX.frxDMPClass, FMX.frxUtils, FMX.frxCtrls, FMX.frxFMX;
const
DefFontName = 'Tahoma';
type
TMarginsPanel = class(TPanel)
private
FColor: TAlphaColor;
protected
FWorkspace: TfrxDesignerWorkspace;
procedure MouseDown(Button: TMouseButton; Shift: TShiftState; X, Y: Single); override;
procedure MouseMove(Shift: TShiftState; x, y: Single); override;
procedure MouseUp(Button: TMouseButton; Shift: TShiftState; x, y: Single); override;
public
constructor Create(AOwner: TComponent); override;
procedure DoPaint; override;
property Color: TAlphaColor read FColor write FColor default claWhite;
end;
THackComponent = class(TfrxComponent);
{ TMarginsPanel }
constructor TMarginsPanel.Create(AOwner: TComponent);
begin
inherited;
Color := claWhite;
StyleLookup := 'backgroundstyle';
end;
procedure TMarginsPanel.MouseDown(Button: TMouseButton; Shift: TShiftState; X, Y: Single);
begin
inherited;
FWorkspace.MouseDown(Button, Shift, X - (FWorkspace.Left - Left),
Y - (FWorkspace.Top - Top));
end;
procedure TMarginsPanel.MouseMove(Shift: TShiftState; x, y: Single);
begin
inherited;
if FWorkspace.FMode = dmSelect then
FWorkspace.MouseMove(Shift, X - (FWorkspace.Left - Left),
Y - (FWorkspace.Top - Top)) else
FWorkspace.MouseLeave;
Cursor := FWorkspace.Cursor;
end;
procedure TMarginsPanel.MouseUp(Button: TMouseButton; Shift: TShiftState; x, y: Single);
begin
inherited;
FWorkspace.MouseUp(Button, Shift, X - (FWorkspace.Left - Left),
Y - (FWorkspace.Top - Top));
end;
procedure TMarginsPanel.DoPaint;
var
r: TRectF;
poly: TPolygon;
Sstate: TCanvasSaveState;
oldM: TMatrix;
begin
Sstate := Canvas.SaveState;
oldM := Canvas.Matrix;
try
Canvas.SetMatrix(CreateTranslateMatrix(AbsoluteRect.Left, AbsoluteRect.Top));
with Canvas do
begin
Fill.Color := Color;
Fill.Kind := TBrushKind.bkSolid;
Stroke.Color := $FF505050;
{$IFDEF Delphi25}
Stroke.Thickness := 1;
{$ELSE}
StrokeThickness := 1;
{$ENDIF}
Stroke.Kind := TBrushKind.bkSolid;
FillRect(RectF(0, 0, Self.Width - 1, Self.Height - 1), 1, 1, AllCorners, 1);
SetLength(poly, 4);
poly[0] := PointF(1, Self.Height - 1);
poly[1] := PointF(Self.Width - 1, Self.Height - 1);
poly[2] := PointF(Self.Width - 1, 1);
poly[3] := PointF(1, 1);
DrawPolygon(poly, 1);
Stroke.Color := claSilver;
with FWorkspace, FWorkspace.FMargins do
r := RectF(Round(Left * FScale) + 0.5, Round(Top * FScale) + 0.5,
Self.Width - Round(Right * FScale) + 1.5,
Self.Height - Round(Bottom * FScale) + 1.5);
SetLength(poly, 5);
poly[0] := PointF(r.Left - 1, r.Top - 1);
poly[1] := PointF(r.Left - 1, r.Bottom);
poly[2] := PointF(r.Right, r.Bottom);
poly[3] := PointF(r.Right, r.Top - 1);
poly[4] := PointF(r.Left - 1, r.Top - 1);
{$IFDEF Delphi25}
Stroke.Dash := TStrokeDash.sdDash;
{$ELSE}
StrokeDash := TStrokeDash.sdDash;
{$ENDIF}
DrawPolygon(poly, 1);
end;
finally
Canvas.SetMatrix(oldM);
Canvas.RestoreState(sstate);
end;
end;
{ TfrxDesignerWorkspace }
constructor TfrxDesignerWorkspace.Create(AOwner: TComponent);
begin
inherited Create(AOwner);
FSavedAlign := TList.Create;
FDrawSelection := False;
FMarginsPanel := TMarginsPanel.Create(AOwner);
TMarginsPanel(FMarginsPanel).FWorkspace := Self;
FBandHeader := fr01cm * 5;
FColor := claWhite;
FGridAlign := True;
FGridType := gt1cm;
FGridX := fr01cm;
FGridY := fr01cm;
FMode := dmSelect;
FMode1 := dmNone;
FScale := 1;
FShowGrid := True;
FShowEdges := True;
FGridLCD := True;
StyleLookup := 'backgroundstyle';
CanFocus := True;
AutoCapture := True;
FFastCanvas := nil;
FParentForm := nil;
if frxCanvasClass <> nil then
FFastCanvas := frxCanvasClass.Create;
end;
destructor TfrxDesignerWorkspace.Destroy;
begin
FSavedAlign.Free;
FreeAndNil(FFastCanvas);
inherited;
end;
procedure TfrxDesignerWorkspace.SetParent(const Value: TFmxObject);
begin
if not (csDestroying in ComponentState) then
FMarginsPanel.Parent := Value;
inherited;
FParentForm := nil;
end;
procedure TfrxDesignerWorkspace.DisableUpdate;
begin
FDisableUpdate := True;
FMode := dmSelect;
FMode1 := dmNone;
end;
procedure TfrxDesignerWorkspace.EnableUpdate;
begin
FDisableUpdate := False;
end;
procedure TfrxDesignerWorkspace.UpdateView;
var
NotifyRect: TfrxRect;
begin
Repaint;
if SelectedCount = 0 then
NotifyRect := frxRect(0, 0, 0, 0) else
NotifyRect := GetSelectionBounds;
if Assigned(FOnNotifyPosition) then
FOnNotifyPosition(NotifyRect);
end;
procedure TfrxDesignerWorkspace.SetInsertion(AClass: TfrxComponentClass;
AWidth, AHeight: Extended; AFlag: Word);
begin
with FInsertion do
begin
ComponentClass := AClass;
Width := AWidth;
Height := AHeight;
OriginalWidth := AWidth;
OriginalHeight := AHeight;
Flags := AFlag;
end;
FMode := dmInsert;
if AClass = nil then
begin
Cursor := crDefault;
FMode := dmSelect;
FMode1 := dmNone;
end
else if AClass.InheritsFrom(TfrxCustomLineView) then
begin
FMode1 := dmInsertLine;
if FGridType = gtChar then
begin
FInsertion.Left := - FGridX / 2;
FInsertion.Top := - FGridY / 2;
end
else
begin
FInsertion.Left := - FGridX;
FInsertion.Top := - FGridY;
end;
end
else
begin
Cursor := crCross;
FMode1 := dmInsertObject;
FInsertion.Left := -1000 * FGridX;
FInsertion.Top := -1000 * FGridY;
end;
end;
procedure TfrxDesignerWorkspace.SetScale(Value: Extended);
begin
FScale := Value;
FMarginsPanel.Width := Round(FPageWidth * FScale);
FMarginsPanel.Height := Round(FPageHeight * FScale);
SetBounds(FMarginsPanel.Position.X + Round(FMargins.Left * FScale),
FMarginsPanel.Position.Y + Round(FMargins.Top * FScale),
FMarginsPanel.Width - Round((FMargins.Left + FMargins.Right - 1) * FScale),
FMarginsPanel.Height - Round((FMargins.Top + FMargins.Bottom - 1) * FScale));
FMarginsPanel.Repaint;
Repaint;
end;
procedure TfrxDesignerWorkspace.SetPageDimensions(AWidth, AHeight: Integer;
AMargins: TRect);
begin
FPageWidth := AWidth;
FPageHeight := AHeight;
FMargins := AMargins;
SetScale(FScale);
AdjustBands;
Resize;
{$IFNDEF Delphi17}
if Parent is TControl then
TControl(Parent).Realign;
{$ENDIF}
end;
procedure TfrxDesignerWorkspace.SetShowGrid(const Value: Boolean);
begin
FShowGrid := Value;
Repaint;
end;
procedure TfrxDesignerWorkspace.UpdateBandHeader;
begin
case FGridType of
gt1pt, gtDialog:
FBandHeader := 16;
gt1cm:
FBandHeader := fr01cm * 5;
gt1in:
FBandHeader := fr01in * 2;
gtChar:
FBandHeader := fr1CharY;
end;
if not FShowBandCaptions then
FBandHeader := 0;
end;
procedure TfrxDesignerWorkspace.SetGridType(const Value: TfrxGridType);
begin
FGridType := Value;
UpdateBandHeader;
if FSelectedObjects.Count <> 0 then
MouseMove([], 0, 0);
AdjustBands;
Repaint;
end;
procedure TfrxDesignerWorkspace.SetShowBandCaptions(const Value: Boolean);
begin
FShowBandCaptions := Value;
UpdateBandHeader;
AdjustBands;
Repaint;
end;
function TfrxDesignerWorkspace.GetOrigin: TPoint;
begin
Result.X := Round(FMarginsPanel.Position.X);
Result.Y := Round(FMarginsPanel.Position.Y);
end;
procedure TfrxDesignerWorkspace.SetOrigin(const Value: TPoint);
begin
FMarginsPanel.Position.X := Value.X;
FMarginsPanel.Position.Y := Value.Y;
end;
procedure TfrxDesignerWorkspace.SetColor(const Value: TAlphaColor);
begin
FColor := Value;
end;
procedure TfrxDesignerWorkspace.DoDeactivate;
begin
inherited;
if FMouseDown then
MouseUp(TMouseButton.mbLeft, [], FLastMousePointX * FScale, FLastMousePointY * FScale);
end;
procedure TfrxDesignerWorkspace.DoDraw(ACanvas: TCanvas);
begin
ACanvas.Fill.Color := FColor;
ACanvas.Fill.Kind := TBrushKind.bkSolid;
DrawBackground;
if not FDisableUpdate then
begin
if (FPage <> nil) and (FPage is TfrxReportPage) then
TfrxReportPage(FPage).Draw(ACanvas, FScale, FScale,
-FMargins.Left * FScale, -FMargins.Top * FScale);
DrawObjects;
end;
DrawSelectionRect;
DrawInsertionRect;
DrawCross;
end;
procedure TfrxDesignerWorkspace.DoModify;
begin
if FModifyFlag then
if Assigned(FOnModify) then
FOnModify(Self);
FModifyFlag := False;
end;
procedure TfrxDesignerWorkspace.SelectionChanged;
var
i, j: Integer;
c, c1: TfrxComponent;
begin
for i := 0 to SelectedCount - 1 do
begin
c := FSelectedObjects[i];
if (c is TfrxReportComponent) and (c.GroupIndex <> 0) then
for j := 0 to FObjects.Count - 1 do
begin
c1 := FObjects[j];
if (c1 is TfrxReportComponent) and (c1.GroupIndex = c.GroupIndex) then
begin
if FSelectedObjects.IndexOf(c1) = -1 then
FSelectedObjects.Add(c1);
end;
end;
end;
if Assigned(FOnSelectionChanged) then
FOnSelectionChanged(Self);
Repaint;
end;
function TfrxDesignerWorkspace.GetSelectionBounds: TfrxRect;
var
i: Integer;
c: TfrxComponent;
begin
if SelectedCount = 1 then
begin
with TfrxComponent(FSelectedObjects[0]) do
Result := frxRect(Left, Top, Width, Height);
Exit;
end;
Result := frxRect(1e10, 1e10, -1e10, -1e10);
for i := 0 to SelectedCount - 1 do
begin
c := FSelectedObjects[i];
if c.AbsLeft < Result.Left then
Result.Left := c.AbsLeft;
if c.AbsTop < Result.Top then
Result.Top := c.AbsTop;
if c.AbsLeft + c.Width > Result.Right then
Result.Right := c.AbsLeft + c.Width;
if c.AbsTop + c.Height > Result.Bottom then
Result.Bottom := c.AbsTop + c.Height;
end;
with Result do
Result := frxRect(Left, Top, Right - Left, Bottom - Top);
end;
function TfrxDesignerWorkspace.GetRightBottomObject: TfrxComponent;
var
i: Integer;
c: TfrxComponent;
maxx, maxy: Extended;
begin
maxx := 0;
maxy := 0;
Result := nil;
for i := 0 to SelectedCount - 1 do
begin
c := FSelectedObjects[i];
if (c.AbsLeft + c.Width > maxx) or
((c.AbsLeft + c.Width = maxx) and (c.AbsTop + c.Height > maxy)) then
begin
maxx := c.AbsLeft + c.Width;
maxy := c.AbsTop + c.Height;
Result := c;
end;
end;
end;
function TfrxDesignerWorkspace.SelectedCount: Integer;
begin
Result := FSelectedObjects.Count;
if (Result = 1) and
((FSelectedObjects[0] = FPage) or (TObject(FSelectedObjects[0]) is TfrxReport)) then
Result := 0;
end;
procedure TfrxDesignerWorkspace.DoPaint;
var
Sstate: TCanvasSaveState;
oldM: TMatrix;
begin
FCanvas := Canvas;
Sstate := FCanvas.SaveState;
oldM := FCanvas.Matrix;
try
FCanvas.SetMatrix(CreateTranslateMatrix(AbsoluteRect.Left, AbsoluteRect.Top));
DoDraw(FCanvas);
finally
FCanvas.SetMatrix(oldM);
FCanvas.RestoreState(Sstate);
end;
FCanvas := nil;
end;
procedure TfrxDesignerWorkspace.DrawObjects;
var
i: Integer;
c: TfrxComponent;
procedure DrawPoint(x, y: Extended);
var
i, w: Integer;
begin
if FScale > 1.7 then
w := 7
else if FScale < 0.7 then
w := 3 else
w := 5;
for i := 0 to w - 1 do
begin
FCanvas.DrawLine(
PointF(Round(x * FScale - w div 2) + 0.5, Round(y * FScale - w div 2 + i) + 0.5),
PointF(Round(x * FScale + w div 2) + 0.5, Round(y * FScale - w div 2 + i) + 0.5), 1);
end;
end;
procedure DrawLineA(x, y, dx, dy: Extended);
begin
FCanvas.DrawLine(PointF(Round(x * FScale) + 0.5, Round(y * FScale) + 0.5),
PointF(Round((x + dx) * FScale) + 0.5, Round((y + dy) * FScale) + 0.5), 1);
end;
procedure DrawSqares(c: TfrxComponent);
var
px, py: Extended;
begin
with c, FCanvas do
begin
Stroke.Kind := TBrushKind.bkSolid;
{$IFDEF Delphi25}
Stroke.Thickness := 1;
{$ELSE}
StrokeThickness := 1;
{$ENDIF}
Stroke.Color := claBlack;
px := AbsLeft + c.Width / 2;
py := AbsTop + c.Height / 2;
DrawPoint(AbsLeft, AbsTop);
if not (c is TfrxCustomLineView) then
begin
DrawPoint(AbsLeft + c.Width, AbsTop);
DrawPoint(AbsLeft, AbsTop + c.Height);
end;
if (SelectedCount > 1) and (c = GetRightBottomObject) then
Stroke.Color := claTeal;
DrawPoint(AbsLeft + c.Width, AbsTop + c.Height);
Stroke.Color := claBlack;
if (SelectedCount = 1) and not (c is TfrxCustomLineView) then
begin
DrawPoint(px, AbsTop); DrawPoint(px, AbsTop + c.Height);
DrawPoint(AbsLeft, py); DrawPoint(AbsLeft + c.Width, py);
end;
end;
end;
procedure DrawDialogPageSquares;
begin
with FCanvas, TfrxDialogPage(FPage) do
begin
Stroke.Kind := TBrushKind.bkSolid;
{$IFDEF Delphi25}
Stroke.Thickness := 1;
{$ELSE}
StrokeThickness := 1;
{$ENDIF}
Stroke.Color := claBlack;
DrawPoint(ClientWidth - 2, ClientHeight - 2);
DrawPoint(ClientWidth - 2, ClientHeight / 2 - 1);
DrawPoint(ClientWidth / 2 - 1, ClientHeight - 2);
end;
end;
procedure DrawScriptSign(c: TfrxReportComponent);
var
NeedDraw: Boolean;
Offs: Extended;
begin
NeedDraw := False;
Offs := 0;
if c is TfrxReportComponent then
with c do
if (OnBeforePrint <> '') or (OnAfterPrint <> '') or
(OnAfterData <> '') or (OnPreviewClick <> '') then
NeedDraw := True;
if c is TfrxDialogControl then
with TfrxDialogControl(c) do
if (OnClick <> '') or (OnDblClick <> '') or
(OnEnter <> '') or (OnExit <> '') or
(OnKeyDown <> '') or (OnKeyPress <> '') or
(OnKeyUp <> '') or (OnMouseDown <> '') or
(OnMouseMove <> '') or (OnMouseUp <> '') then
NeedDraw := True;
if c is TfrxBand then
with TfrxBand(c) do
begin
if (OnAfterCalcHeight <> '') then
NeedDraw := True;
if not Vertical then
Offs := -FBandHeader + 2;
end;
if NeedDraw then
with c, FCanvas do
begin
Stroke.Kind := TBrushKind.bkSolid;
Stroke.Color := claRed;
{$IFDEF Delphi25}
Stroke.Thickness := 1;
{$ELSE}
StrokeThickness := 1;
{$ENDIF}
DrawLineA(AbsLeft + 2, AbsTop + Offs + 1, 0, 7);
DrawLineA(AbsLeft + 3, AbsTop + Offs + 2, 0, 5);
DrawLineA(AbsLeft + 4, AbsTop + Offs + 3, 0, 3);
DrawLineA(AbsLeft + 5, AbsTop + Offs + 4, 0, 1);
end;
end;
procedure DrawObject(c: TfrxReportComponent);
var
s: String;
i, x: Integer;
y, w: Single;
d: TfrxDataBand;
MatrixR: TMatrix;
StateSave: TCanvasSaveState;
bName: String;
begin
c.IsDesigning := True;
if c is TfrxView then
TfrxView(c).SetFastCanvas(FFastCanvas);
c.Draw(FCanvas, FScale, FScale, FOffsetX, FOffsetY);
if c is TfrxBand then
with c as TfrxBand, FCanvas do
begin
if Vertical then
begin
Top := 0;
Stroke.Kind := TBrushKind.bkSolid;
Stroke.Color := claGray;
{$IFDEF Delphi25}
Stroke.Thickness := 1;
{$ELSE}
StrokeThickness := 1;
{$ENDIF}
Fill.Kind := TBrushKind.bkSolid;
x := Round((Left - FBandHeader) * FScale);
DrawRect(RectF(x, 0, Round((Left + c.Width) * FScale) + 1, Round((c.Height) * FScale)), 1, 1, AllCorners, 1, TCornerType.ctBevel);
if FShowBandCaptions then
begin
Fill.Kind := TBrushKind.bkSolid;
if c is TfrxDataBand then
Fill.Color := $FFEEBB00 else
Fill.Color := claGray;
FillRect(RectF(x + 1, 1, Round(Left * FScale), Round(c.Height * FScale)), 1, 1, AllCorners, 1, TCornerType.ctBevel);
end;
Font.Family := DefFontName;
Font.Size := Round(8 * FScale);
Font.Style := [];
MatrixR := CreateRotationMatrix(90);
StateSave := SaveState;
y := TextWidth(Name) + 4;
FillText(RectF(x + 2, y, 20, y * 2), Name, False, 1, [], TTextAlign.taLeading, TTextAlign.taLeading);
Font.Style := [TFontStyle.fsBold];
bName := frxResources.Get(BandName);
FillText(RectF(x + 2, y + TextWidth(bName + ': ') + 2, 20, (y + TextWidth(bName + ': ') + 2) * 2), bName + ': ', False, 1, [], TTextAlign.taLeading, TTextAlign.taLeading);
RestoreState(StateSave);
end
else
begin
Left := 0;
//if (Page is TfrxReportPage) and (TfrxReportPage(Page).Columns > 1) then
//if BandNumber in [4..16] then
//Width := TfrxReportPage(Page).ColumnWidth * fr01cm;
//todo
Stroke.Kind := TBrushKind.bkSolid;
Stroke.Color := claGray;
{$IFDEF Delphi25}
Stroke.Thickness := 1;
{$ELSE}
StrokeThickness := 1;
{$ENDIF}
Fill.Kind := TBrushKind.bkNone;
y := Round((Top - FBandHeader) * FScale);
DrawRect(RectF(0.5, y + 0.5, Round(c.Width * FScale) + 0.5, Round((c.Top + c.Height) * FScale) + 0.5), 1, 1, AllCorners, 1);
if FShowBandCaptions then
begin
Fill.Kind := TBrushKind.bkSolid;
if c is TfrxDataBand then
Fill.Color := $FFE0A730
else
Fill.Color := claLightgray;
FillRect(RectF(1, y + 1, Round(c.Width * FScale), Round(c.Top * FScale)), 1, 1, AllCorners, 1, TCornerType.ctBevel);
end;
Font.Family := DefFontName;
Font.Size := Round(10 * FScale);
Font.Style := [TFontStyle.fsBold];
bName := frxResources.Get(BandName);
Fill.Kind := TBrushKind.bkSolid;
Fill.Color := claBlack;
FillText(RectF(6, y + 2, c.Width, y + 22), bName, False, 1, [], TTextAlign.taLeading, TTextAlign.taLeading);
w := TextWidth(bName);
Font.Style := [];
FillText(RectF(6 + w, y + 2, c.Width, y + 22), ': ' + Name, False, 1, [], TTextAlign.taLeading, TTextAlign.taLeading);
if c is TfrxDataBand then
begin
d := TfrxDataBand(c);
if FShowBandCaptions then
begin
if (d.DataSet <> nil) and (c.Report <> nil) then
s := c.Report.GetAlias(d.DataSet)
else if d.RowCount <> 0 then
s := IntToStr(d.RowCount)
else
s := '';
w := TextWidth(s);
//if FScale > 0.7 then
// frxResources.MainButtonImages.Draw(FCanvas,
// Round(Width * FScale - w - 24), Round(y + 2 * FScale), 53);
if s <> '' then
FillText(RectF(c.Width * FScale - w - 3, y + 3, c.Width, (y + 3) * 2), s, False, 1, [], TTextAlign.taLeading, TTextAlign.taLeading);
end;
if d.Columns > 1 then
begin
{$IFDEF Delphi25}
Stroke.Dash := TStrokeDash.sdDot;
{$ELSE}
StrokeDash := TStrokeDash.sdDot;
{$ENDIF}
Stroke.Color := claBlack;
Fill.Kind := TBrushKind.bkNone;
for i := 1 to d.Columns do
DrawRect(RectF((i - 1) * (d.ColumnWidth + d.ColumnGap) * FScale, Top * FScale, ((i - 1) * (d.ColumnWidth + d.ColumnGap) + d.ColumnWidth) * FScale, (Top + c.Height) * FScale), 1, 1, AllCorners, 1, TCornerType.ctBevel);
end;
end;
if c is TfrxGroupHeader then
begin
s := TfrxGroupHeader(c).Condition;
if s <> '' then
if FShowBandCaptions then
FillText(RectF(c.Width * FScale - TextWidth(s) - 3, y + 3, 20, (c.Width * FScale - TextWidth(s) - 3) * 2), s, False, 1, [], TTextAlign.taLeading, TTextAlign.taLeading);
end;
end
end
else if not (c is TfrxCustomLineView) and not (c is TfrxDialogComponent) and
not (c is TfrxDialogControl) then
with c, FCanvas do
if FShowEdges and not (FPage is TfrxDataPage) and (c is TfrxView) and
(TfrxView(c).Frame.Typ <> [ftLeft, ftRight, ftTop, ftBottom]) then
begin
Stroke.Kind := TBrushKind.bkSolid;
Stroke.Color := claBlack;
{$IFDEF Delphi25}
Stroke.Thickness := 1;
{$ELSE}
StrokeThickness := 1;
{$ENDIF}
DrawLineA(AbsLeft, AbsTop + 3, 0, -3);
DrawLineA(AbsLeft, AbsTop, 4, 0);
DrawLineA(AbsLeft, AbsTop + c.Height - 3, 0, 3);
DrawLineA(AbsLeft, AbsTop + c.Height, 4, 0);
DrawLineA(AbsLeft + c.Width - 3, AbsTop, 3, 0);
DrawLineA(AbsLeft + c.Width, AbsTop, 0, 4);
DrawLineA(AbsLeft + c.Width - 3, AbsTop + c.Height, 3, 0);
DrawLineA(AbsLeft + c.Width, AbsTop + c.Height, 0, -4);
end;
if c is TfrxView then
TfrxView(c).SetFastCanvas(nil);
DrawScriptSign(c);
{ if c.IsAncestor then
frxResources.MainButtonImages.Draw(FCanvas,
Round((c.AbsLeft + 2) * FScale), Round((c.AbsTop + 1) * FScale), 99);}
end;
// debug
procedure DrawShiftTree(c: TfrxReportComponent);
var
i: Integer;
c1: TfrxReportComponent;
begin
for i := 0 to c.FShiftChildren.Count - 1 do
begin
c1 := c.FShiftChildren[i];
with FCanvas do
begin
Stroke.Kind := TBrushKind.bkSolid;
Stroke.Color := claRed;
//Pen.Mode := pmCopy;
{$IFDEF Delphi25}
Stroke.Thickness := 1;
{$ELSE}
StrokeThickness := 1;
{$ENDIF}
if c is TfrxBand then
DrawLine(PointF(c.AbsLeft + c.Width / 2, c.AbsTop), PointF(c1.AbsLeft + c1.Width / 2, c1.AbsTop), 1)
else
DrawLine(PointF(c.AbsLeft + c.Width / 2, c.AbsTop + c.Height), PointF(c1.AbsLeft + c1.Width / 2, c1.AbsTop), 1);
end;
DrawShiftTree(c1);
end;
end;
begin
if Assigned(FFastCanvas)then
begin
TfrxFastCanvasLayer(FFastCanvas).UpdateHandle(Parent);
TfrxFastCanvasLayer(FFastCanvas).Canvas := Canvas;
end;
{ update aligned objects }
if Page is TfrxReportPage then
Page.AlignChildren;
{ draw objects }
for i := 0 to FObjects.Count - 1 do
begin
c := FObjects[i];
if c is TfrxReportComponent then
DrawObject(TfrxReportComponent(c));
end;
// debug
{ for i := 0 to FObjects.Count - 1 do
begin
c := FObjects[i];
if c is TfrxBand then
begin
PrepareShiftTree(TfrxBand(c));
DrawShiftTree(TfrxReportComponent(c));
end;
end;}
{ draw selection }
for i := 0 to SelectedCount - 1 do
if not FMouseDown then
DrawSqares(FSelectedObjects[i]);
if (FSelectedObjects.Count = 1) and (TObject(FSelectedObjects[0]) is TfrxDialogPage) then
DrawDialogPageSquares;
end;
procedure TfrxDesignerWorkspace.DrawBackground;
procedure Line(x, y, x1, y1: Extended);
begin
FCanvas.DrawLine(PointF(x, y), PointF(x1, y1), 1);
end;
procedure DrawPoints;
var
GridBmp: TBitmap;
{$IFDEF Delphi17}
map: TBitmapData;
{$ENDIF}
i: Extended;
c: TAlphaColor;
dx, dy: Extended;
begin
if FGridType = gtDialog then
c := claBlack else
c := claGray;
dx := FGridX * FScale;
dy := FGridY * FScale;
if (dx > 2) and (dy > 2) then
begin
GridBmp := TBitmap.Create(Round(Width), 1);
GridBmp.Canvas.BeginScene();
GridBmp.Canvas.Stroke.Color := FColor;
GridBmp.Canvas.DrawLine(PointF(0, 0), PointF(Width, 0), 1);
{$IFDEF Delphi17}
if GridBmp.Map(TMapAccess.maReadWrite, map) then
begin
i := 0;
while i < Width do
begin
map.SetPixel(Round(i), 0, c);
i := i + dx;
end;
GridBmp.UnMap(map);
end;
{$ELSE}
i := 0;
while i < Width do
begin
GridBmp.Pixels[Round(i), 0] := c;
i := i + dx;
end;
{$ENDIF}
GridBmp.Canvas.EndScene;
i := 0;
while i < Height do
begin
FCanvas.DrawBitmap(GridBmp, RectF(0, 0, Width, 1), RectF(0, i, Width, i + 1), 1, True);
i := i + dy;
end;
GridBmp.Free;
end;
end;
procedure DrawMM;
var
i, dx, maxi: Extended;
i1: Integer;
Color5, Color10: TAlphaColor;
SState: TCanvasSaveState;
begin
if FGridLCD then
begin
Color5 := $FFF2F2F2;
Color10 := $FFE2E2E2;
end
else
begin
Color5 := $FFF8F8F8;
Color10 := $FFE8E8E8;
end;
with FCanvas do
begin
SState := SaveState;
{$IFDEF Delphi25}
Stroke.Thickness := 1;
{$ELSE}
StrokeThickness := 1;
{$ENDIF}
Stroke.Kind := TBrushKind.bkSolid;
Canvas.IntersectClipRect(RectF(0,0,(Self.FPageWidth - (FMargins.Left + FMargins.Right)) * FScale, (Self.FPageHeight - (FMargins.Top + FMargins.Bottom)) * FScale));
if FGridType = gt1cm then
dx := fr01cm * FScale else
dx := fr01in * FScale;
if Self.Width > Self.Height then
maxi := Self.FPageWidth * FScale else
maxi := Self.FPageHeight * FScale;
i := 0;
i1 := 0;
while i < maxi do
begin
if i1 mod 10 = 0 then
Stroke.Color := Color10
else if i1 mod 5 = 0 then
Stroke.Color := Color5
else if FGridType = gt1in then
Stroke.Color := Color5
else
Stroke.Color := claWhite;
if Stroke.Color <> claWhite then
begin
if Self.Width >= Round(i) then
Line(Round(i) + 0.5, 0, Round(i) + 0.5, Round(Self.FPageHeight) * FScale);
if Self.Height >= Round(i) then
Line(0, Round(i) + 0.5, Round(Self.FPageWidth) * FScale, Round(i) + 0.5);
end;
i := i + dx;
Inc(i1);
end;
RestoreState(SState);
end;
end;
begin
FCanvas.Fill.Color := FColor;
FCanvas.Fill.Kind := TBrushKind.bkSolid;
FCanvas.FillRect(RectF(0, 0, Width, Height), 1, 1, AllCorners, 1, TCornerType.ctBevel);
if FShowGrid then
case FGridType of
gt1pt, gtDialog, gtChar:
DrawPoints;
gt1cm, gt1in:
DrawMM;
end;
end;
procedure TfrxDesignerWorkspace.DrawSelectionRect;
var
sLeft, sTop, sRight, sBottom: Single;
begin
if not FDrawSelection then Exit;
with Canvas do
begin
Stroke.Kind := TBrushKind.bkSolid;
Stroke.Color := claBlack;
{$IFDEF Delphi25}
Stroke.Thickness := 1;
Stroke.Dash := TStrokeDash.sdDot;
{$ELSE}
StrokeThickness := 1;
StrokeDash := TStrokeDash.sdDot;
{$ENDIF}
Fill.Kind := TBrushKind.bkNone;
with FSelectionRect do
begin
sLeft := Left;
sRight := Right;
sTop := Top;
sBottom := Bottom;
if Right < Left then
begin
sLeft := Right;
sRight := Left;
end;
if Bottom < Top then
begin
sTop := Bottom;
sBottom := Top;
end;
end;
DrawRect(RectF(Round(sLeft) + 0.5, Round(sTop) + 0.5, Round(sRight) + 0.5, Round(sBottom) + 0.5), 1, 1, AllCorners, 0.5);
Fill.Kind := TBrushKind.bkSolid;
end;
end;
procedure TfrxDesignerWorkspace.DrawInsertionRect;
var
R: TfrxRect;
begin
if not FDrawInsertion then Exit;
with Canvas do
begin
Stroke.Kind := TBrushKind.bkSolid;
Stroke.Color := claBlack;
{$IFDEF Delphi25}
Stroke.Thickness := 1;
Stroke.Dash := TStrokeDash.sdDot;
{$ELSE}
StrokeThickness := 1;
StrokeDash := TStrokeDash.sdDot;
{$ENDIF}
with FInsertion do
R := frxRect(Left, Top, Left + FInsertion.Width, Top + FInsertion.Height);
NormalizeRect(R);
DrawRect(RectF(Round(R.Left * FScale) + 0.5, Round(R.Top * FScale) + 0.5, Round(R.Right * FScale) + 0.5, Round(R.Bottom * FScale) + 0.5), 1, 1, AllCorners, 1);
end;
end;
procedure TfrxDesignerWorkspace.DrawCross;
var
x, y: Extended;
begin
if FMode1 <> dmInsertLine then
Exit;
with FInsertion do
if FMouseDown then
begin
if Flags <> 0 then
begin
x := (Left + Width) * FScale;
y := (Top + Height) * FScale;
end
else if Abs(Width) > Abs(Height) then
begin
x := (Left + Width) * FScale;
y := Top * FScale;
end
else
begin
x := Left * FScale;
y := (Top + Height) * FScale;
end;
end
else
begin
x := Left * FScale;
y := Top * FScale;
end;
with Canvas do
begin
Stroke.Color := claBlack;
{$IFDEF Delphi25}
Stroke.Thickness := 1;
{$ELSE}
StrokeThickness := 1;
{$ENDIF}
Stroke.Kind := TBrushKind.bkSolid;
DrawLine(PointF(Round(x) - 3.5, Round(y) + 0.5), PointF(Round(x) + 4.5, Round(y) + 0.5), 1);
DrawLine(PointF(Round(x) + 0.5, Round(y) - 3.5), PointF(Round(x) + 0.5, Round(y) + 4.5), 1);
if FMouseDown then
DrawLine(PointF(Round(FInsertion.Left * FScale) + 0.5, Round(FInsertion.Top * FScale) + 0.5),
PointF(Round(x) + 0.5, Round(y) + 0.5), 1);
end;
end;
procedure TfrxDesignerWorkspace.FindNearest(dx, dy: Integer);
var
i: Integer;
c, sel, found: TfrxComponent;
min, dist, dist_dx, dist_dy: Extended;
r1, r2, r3: TfrxRect;
function RectsIntersect(r1, r2: TfrxRect): Boolean;
begin
Result := not ((r2.Left > r1.Right) or (r2.Right < r1.Left) or
(r2.Top > r1.Bottom) or (r2.Bottom < r1.Top));
end;
begin
if SelectedCount <> 1 then Exit;
found := nil;
sel := FSelectedObjects[0];
min := 1e10;
for i := 0 to FObjects.Count - 1 do
begin
c := FObjects[i];
if not (c is TfrxReportComponent) or (c is TfrxBand) or (c = sel) then continue;
r1 := frxRect(c.AbsLeft, c.AbsTop, c.AbsLeft + c.Width, c.AbsTop + c.Height);
dist := 0;
dist_dx := 0;
dist_dy := 0;
with sel do
if dx = 1 then
begin
r2 := frxRect(AbsLeft, AbsTop, 1e10, AbsTop + Height);
r3 := frxRect(AbsLeft, 0, 1e10, 1e10);
dist := r1.Left - r2.Left;
dist_dx := r1.Left - (AbsLeft + Width);
if r1.Top > r2.Top then
dist_dy := r1.Top - r2.Bottom else
dist_dy := r2.Top - r1.Bottom;
end
else if dx = -1 then
begin
r2 := frxRect(-1e10, AbsTop, AbsLeft + Width, AbsTop + Height);
r3 := frxRect(0, 0, AbsLeft + Width, 1e10);
dist := r2.Right - r1.Right;
dist_dx := AbsLeft - r1.Right;
if r1.Top > r2.Top then
dist_dy := r1.Top - r2.Bottom else
dist_dy := r2.Top - r1.Bottom;
end
else if dy = 1 then
begin
r2 := frxRect(AbsLeft, AbsTop, AbsLeft + Width, 1e10);
r3 := frxRect(0, AbsTop, 1e10, 1e10);
dist := r1.Top - r2.Top;
dist_dy := r1.Top - (AbsTop + Height);
if r1.Left > r2.Left then
dist_dx := r1.Left - r2.Right else
dist_dx := r2.Left - r1.Right;
end
else if dy = -1 then
begin
r2 := frxRect(AbsLeft, -1e10, AbsLeft + Width, AbsTop + Height);
r3 := frxRect(0, 0, 1e10, AbsTop + Height);
dist := r2.Bottom - r1.Bottom;
dist_dy := AbsTop - r1.Bottom;
if r1.Left > r2.Left then
dist_dx := r1.Left - r2.Right else
dist_dx := r2.Left - r1.Right;
end;
if not RectsIntersect(r1, r2) then
begin
if (not RectsIntersect(r1, r3)) or
((dx <> 0) and (dist_dx < dist_dy)) or
((dy <> 0) and (dist_dy < dist_dx)) or
((dist_dx = 0) and (dist_dy = 0)) then continue;
dist := sqrt(dist_dx * dist_dx + dist_dy * dist_dy) * (Width + Height);
end;
if dist < min then
begin
found := c;
min := dist;
end;
end;
if found <> nil then
begin
FSelectedObjects.Clear;
FSelectedObjects.Add(found);
if Assigned(FOnNotifyPosition) then
FOnNotifyPosition(GetSelectionBounds);
SelectionChanged;
end;
end;
procedure TfrxDesignerWorkspace.NormalizeCoord(c: TfrxComponent);
begin
if c.Width < 0 then
begin
c.Width := -c.Width;
c.Left := c.Left - c.Width;
end;
if c.Height < 0 then
begin
c.Height := -c.Height;
c.Top := c.Top - c.Height;
end;
end;
procedure TfrxDesignerWorkspace.NormalizeRect(var R: TfrxRect);
var
i: Extended;
begin
with R do
begin
if Left > Right then
begin
i := Left;
Left := Right;
Right := i
end;
if Top > Bottom then
begin
i := Top;
Top := Bottom;
Bottom := i
end;
end;
end;
procedure TfrxDesignerWorkspace.AdjustBands(AttachObjects: Boolean = True);
var
i, j: Integer;
sl: TfrxStringList;
b: TfrxBand;
c, c0: TfrxComponent;
add, add1: Extended;
l: TList;
ch: TfrxChild;
procedure DoBand(Bnd: TfrxBand);
var
y: Extended;
begin
if Bnd.Vertical then Exit;
if Bnd is TfrxPageHeader then
y := 0
else if Bnd is TfrxReportTitle then
y := 0.01
else if Bnd is TfrxColumnHeader then
y := 0.02
else if Bnd is TfrxColumnFooter then
y := 99999
else if Bnd is TfrxReportSummary then
y := 100000
else if Bnd is TfrxPageFooter then
y := 100001
else
y := Abs(Bnd.Top);
if TfrxReportPage(FPage).TitleBeforeHeader then
begin
if Bnd is TfrxReportTitle then
y := 0
else if Bnd is TfrxPageHeader then
y := 0.01
end;
sl.AddObject(Format('%9.2f', [y]), Bnd);
end;
procedure TossObjects(Bnd: TfrxBand);
var
i: Integer;
c: TfrxComponent;
SaveRestrictions: TfrxRestrictions;
begin
if Bnd.Vertical then Exit;
while Bnd.Objects.Count > 0 do
begin
c := Bnd.Objects[0];
SaveRestrictions := c.Restrictions;
c.Restrictions := [];
c.Top := c.AbsTop;
c.Restrictions := SaveRestrictions;
c.Parent := Bnd.Parent;
end;
if AttachObjects then
for i := 0 to FObjects.Count - 1 do
begin
c := FObjects[i];
if (c is TfrxView) and (c.AbsTop >= Bnd.Top - 1e-4) and (c.AbsTop < Bnd.Top + Bnd.Height + 1e-4) then
begin
SaveRestrictions := c.Restrictions;
c.Restrictions := [];
c.Top := c.AbsTop - Bnd.Top;
c.Restrictions := SaveRestrictions;
c.Parent := Bnd;
end;
end;
end;
function Round8(e: Extended): Extended;
begin
Result := Round(e * 100000000) / 100000000;
end;
procedure AdjustParent(Ctrl: TfrxComponent; Index: Integer);
var
i: Integer;
c: TfrxComponent;
found: Boolean;
begin
found := False;
for i := Index - 1 downto 0 do
begin
c := FObjects[i];
if (c <> Ctrl) and (c is TfrxDialogControl) {and
(csAcceptsControls in TfrxDialogControl(c).Control.ComponentStyle) }then
if (Ctrl.AbsLeft >= c.AbsLeft) and
(Ctrl.AbsTop >= c.AbsTop) and (Ctrl.AbsLeft < c.AbsLeft + c.Width) and
(Ctrl.AbsTop < c.AbsTop + c.Height) then
begin
Ctrl.Top := Ctrl.AbsTop - c.AbsTop;
Ctrl.Left := Ctrl.AbsLeft - c.AbsLeft;
Ctrl.Parent := c;
found := True;
break;
end;
end;
if not found and (Ctrl.Parent <> Page) then
begin
Ctrl.Top := Ctrl.AbsTop;
Ctrl.Left := Ctrl.AbsLeft;
Ctrl.Parent := Page;
BringToFront;
end;
//if Ctrl is TfrxDialogComponent then
// Ctrl.Parent := Self;
end;
begin
sl := TfrxStringList.Create;
sl.Sorted := True;
sl.Duplicates := dupAccept;
{ sort bands }
for i := 0 to FObjects.Count - 1 do
if TObject(FObjects[i]) is TfrxBand then
DoBand(FObjects[i]);
{ arrange child bands }
sl.Sorted := False;
i := 0;
while i < sl.Count do
begin
sl[i] := '';
b := TfrxBand(sl.Objects[i]);
if b.Child <> nil then
begin
j := sl.IndexOfObject(b.Child);
if j <> -1 then
begin
c := TfrxComponent(sl.Objects[j]);
sl.Delete(j);
if j < i then
Dec(i);
sl.InsertObject(i + 1, '', c);
end;
end;
Inc(i);
end;
{ set top/middle/bottom indexes }
i := 0;
while i < sl.Count do
begin
b := TfrxBand(sl.Objects[i]);
if sl[i] = '' then
if (b is TfrxPageHeader) or (b is TfrxReportTitle) or (b is TfrxColumnHeader) then
sl[i] := 'top'
else if (b is TfrxPageFooter) or (b is TfrxReportSummary) or (b is TfrxColumnFooter) then
sl[i] := 'bottom'
else
sl[i] := 'middle';
ch := b.Child;
while ch <> nil do
begin
j := sl.IndexOfObject(ch);
if j <> -1 then
sl[j] := sl[i];
ch := ch.Child;
end;
Inc(i);
end;
add1 := 0;
case FGridType of
gt1pt: add1 := 40;
gt1cm: add1 := fr1cm;
gt1in: add1 := fr1in * 0.4;
gtChar: add1 := fr1CharY;
end;
{ rearrange all bands }
if not FFreeBandsPlacement then
for i := 0 to sl.Count - 1 do
begin
c := TfrxComponent(sl.Objects[i]);
if i = 0 then
c.Top := Round8(FBandHeader)
else
begin
c0 := TfrxComponent(sl.Objects[i - 1]);
if ((sl[i - 1] = 'top') and (sl[i] <> 'top')) or
((sl[i] = 'bottom') and (sl[i - 1] <> 'bottom')) then
add := add1 else
add := 0;
c.Top := Round8(Round((c0.Top + c0.Height + FBandHeader + FGapBetweenBands)
/ FGridY) * FGridY + add);
end;
end;
sl.Free;
{ toss objects }
for i := 0 to FObjects.Count - 1 do
begin
c := FObjects[i];
if c is TfrxBand then
TossObjects(TfrxBand(c))
else if c is TfrxDialogControl then
AdjustParent(c, i);
end;
{ move all bands to the begin of objects list }
l := TList.Create;
for i := 0 to FObjects.Count - 1 do
if TObject(FObjects[i]) is TfrxBand then
l.Add(FObjects[i]);
for i := 0 to FObjects.Count - 1 do
if not (TObject(FObjects[i]) is TfrxBand) then
l.Add(FObjects[i]);
FObjects.Clear;
for i := 0 to l.Count - 1 do
FObjects.Add(l[i]);
l.Free;
end;
procedure TfrxDesignerWorkspace.PrepareShiftTree(Band: TfrxBand);
var
i, j, k: Integer;
c0, c1, c2, top: TfrxReportComponent;
allObjects: TStringList;
Found: Boolean;
area0, area1, area2, area01: TfrxRectArea;
begin
allObjects := TfrxStringList.Create;
allObjects.Duplicates := dupAccept;
{ temporary top object }
top := TfrxMemoView.Create(nil);
top.SetBounds(0, Band.Top-2, Band.Width, 1);
{ sort objects }
for i := 0 to Band.Objects.Count - 1 do
begin
c0 := Band.Objects[i];
allObjects.AddObject(Format('%9.2f', [c0.Top]), c0);
c0.FShiftChildren.Clear;
end;
allObjects.Sort;
allObjects.InsertObject(0, Format('%10.2f', [top.Top]), top);
for i := 0 to allObjects.Count - 1 do
begin
c0 := TfrxReportComponent(allObjects.Objects[i]);
area0 := TfrxRectArea.Create(c0);
{ find an object under c0 }
for j := i + 1 to allObjects.Count - 1 do
begin
c1 := TfrxReportComponent(allObjects.Objects[j]);
area1 := TfrxRectArea.Create(c1);
if not (area0.InterceptsY(area1)) and (area0.Y < area1.Y) and
area0.InterceptsX(area1) then
begin
area01 := area0.InterceptX(area1);
Found := False;
{ check if there is no other objects between c1 and c0 }
for k := j - 1 downto i + 1 do
begin
c2 := TfrxReportComponent(allObjects.Objects[k]);
area2 := TfrxRectArea.Create(c2);
if not (area0.InterceptsY(area2)) and not (area1.InterceptsY(area2)) and
area01.InterceptsX(area2) then
Found := True;
area2.Free;
if Found then
break;
end;
if not Found then
c0.FShiftChildren.Add(c1);
area01.Free;
end;
area1.Free;
end;
area0.Free;
end;
{ copy children from the top object to the band }
Band.FShiftChildren.Clear;
for i := 0 to top.FShiftChildren.Count - 1 do
Band.FShiftChildren.Add(top.FShiftChildren[i]);
allObjects.Free;
top.Free;
end;
procedure TfrxDesignerWorkspace.AdjustBandHeight(Bnd: TfrxBand);
var
i: Integer;
max, min: Extended;
c: TfrxComponent;
begin
max := 0;
min := 0;
for i := 0 to Bnd.Objects.Count - 1 do
begin
c := Bnd.Objects[i];
if (c is TfrxView) and (TfrxView(c).Align in [baClient, baBottom]) then
continue;
if c.Top + c.Height > max then
max := c.Top + c.Height;
if c.Top < min then
min := c.Top;
end;
max := max - min;
if Bnd.Height < max then
Bnd.Height := max;
if min < 0 then
for i := 0 to Bnd.Objects.Count - 1 do
with TfrxComponent(Bnd.Objects[i]) do
Top := Top - min;
end;
function TfrxDesignerWorkspace.ListsEqual(List1, List2: TList): Boolean;
var
i: Integer;
begin
Result := List1.Count = List2.Count;
if Result then
for i := 0 to List1.Count - 1 do
if List1.List[i] <> List2.List[i] then
Result := False;
end;
procedure TfrxDesignerWorkspace.DeleteObjects;
var
c, c1: TfrxComponent;
i: Integer;
begin
if SelectedCount = 0 then exit;
i := 0;
while FSelectedObjects.Count > i do
begin
c := FSelectedObjects[i];
if not (rfDontDelete in c.Restrictions) then
begin
if c.IsAncestor then
raise Exception.Create('Could not delete ' + c.Name + ', it was introduced in the ancestor report');
FSelectedObjects.Remove(c);
FObjects.Remove(c);
while c.Objects.Count > 0 do
begin
c1 := c.Objects[0];
FSelectedObjects.Remove(c1);
FObjects.Remove(c1);
c1.Free;
end;
c.Free;
end
else
Inc(i);
end;
if FSelectedObjects.Count = 0 then
FSelectedObjects.Add(FPage);
AdjustBands;
FModifyFlag := True;
DoModify;
SelectionChanged;
end;
procedure TfrxDesignerWorkspace.EditObject;
begin
if FSelectedObjects.Count = 1 then
if Assigned(FOnEdit) then
FOnEdit(Self);
end;
procedure TfrxDesignerWorkspace.DoNudge(dx, dy: Extended; Smooth: Boolean);
var
i: Integer;
c: TfrxComponent;
begin
if SelectedCount = 0 then exit;
if not Smooth or (GridType = gtChar) then
begin
dx := dx * FGridX;
dy := dy * FGridY;
end;
for i := 0 to SelectedCount - 1 do
begin
c := FSelectedObjects[i];
c.Left := c.Left + dx;
c.Top := c.Top + dy;
end;
FModifyFlag := True;
if Assigned(FOnNotifyPosition) then
FOnNotifyPosition(GetSelectionBounds);
Repaint;
end;
procedure TfrxDesignerWorkspace.DoSize(dx, dy: Extended);
var
i: Integer;
c: TfrxComponent;
begin
if SelectedCount = 0 then exit;
dx := dx * FGridX;
dy := dy * FGridY;
for i := 0 to SelectedCount - 1 do
begin
c := FSelectedObjects[i];
c.Width := c.Width + dx;
if c.Width < 0 then
c.Width := c.Width - dx;
c.Height := c.Height + dy;
if c.Height < 0 then
c.Height := c.Height - dy;
end;
FModifyFlag := True;
if Assigned(FOnNotifyPosition) then
FOnNotifyPosition(GetSelectionBounds);
Repaint;
end;
procedure TfrxDesignerWorkspace.DoStick(dx, dy: Integer);
var
i: Integer;
c, sel, found: TfrxComponent;
min, dist: Extended;
r1, r2: TfrxRect;
gapLeft, gapRight, gapTop, gapBottom: Extended;
function RectsIntersect(r1, r2: TfrxRect): Boolean;
begin
Result := not ((r2.Left > r1.Right) or (r2.Right < r1.Left) or
(r2.Top > r1.Bottom) or (r2.Bottom < r1.Top));
end;
begin
if SelectedCount <> 1 then exit;
found := nil;
sel := FSelectedObjects[0];
min := 1e10;
for i := 0 to FObjects.Count - 1 do
begin
c := FObjects[i];
if not (c is TfrxReportComponent) or (c is TfrxBand) or (c = sel) then continue;
r1 := frxRect(c.AbsLeft, c.AbsTop, c.AbsLeft + c.Width, c.AbsTop + c.Height);
dist := 0;
with sel do
if dx = 1 then
begin
r2 := frxRect(AbsLeft, AbsTop, 1e10, AbsTop + Height);
dist := r1.Left - r2.Left;
end
else if dx = -1 then
begin
r2 := frxRect(-1e10, AbsTop, AbsLeft + Width, AbsTop + Height);
dist := r2.Right - r1.Right;
end
else if dy = 1 then
begin
r2 := frxRect(AbsLeft, AbsTop, AbsLeft + Width, 1e10);
dist := r1.Top - r2.Top;
end
else if dy = -1 then
begin
r2 := frxRect(AbsLeft, -1e10, AbsLeft + Width, AbsTop + Height);
dist := r2.Bottom - r1.Bottom;
end;
if RectsIntersect(r1, r2) then
if dist < min then
begin
found := c;
min := dist;
end;
end;
if found <> nil then
begin
gapLeft := 0;
gapRight := 0;
gapTop := 0;
gapBottom := 0;
if (sel is TfrxDMPMemoView) and (found is TfrxDMPMemoView) then
begin
if (ftLeft in TfrxDMPMemoView(sel).Frame.Typ) or
(ftRight in TfrxDMPMemoView(found).Frame.Typ) then
gapLeft := fr1CharX;
if (ftRight in TfrxDMPMemoView(sel).Frame.Typ) or
(ftLeft in TfrxDMPMemoView(found).Frame.Typ) then
gapRight := fr1CharX;
if (ftTop in TfrxDMPMemoView(sel).Frame.Typ) or
(ftBottom in TfrxDMPMemoView(found).Frame.Typ) then
gapTop := fr1CharY;
if (ftBottom in TfrxDMPMemoView(sel).Frame.Typ) or
(ftTop in TfrxDMPMemoView(found).Frame.Typ) then
gapBottom := fr1CharY;
end;
if dx = 1 then
sel.Left := found.Left - sel.Width - gapRight
else if dx = -1 then
sel.Left := found.Left + found.Width + gapLeft
else if dy = 1 then
sel.Top := found.Top - sel.Height - gapBottom
else if dy = -1 then
sel.Top := found.Top + found.Height + gapTop;
FModifyFlag := True;
if Assigned(FOnNotifyPosition) then
FOnNotifyPosition(GetSelectionBounds);
Repaint;
end;
end;
procedure TfrxDesignerWorkspace.DoTab;
var
c: TfrxComponent;
i: Integer;
begin
if SelectedCount <> 1 then Exit;
c := SelectedObjects[0];
if (c is TfrxBand) and (c.Objects.Count > 0) then
SelectedObjects[0] := c.Objects[0]
else if c is TfrxView then
begin
i := c.Parent.Objects.IndexOf(c);
if i = c.Parent.Objects.Count - 1 then
i := 0
else
Inc(i);
SelectedObjects[0] := c.Parent.Objects[i];
end;
if Assigned(FOnNotifyPosition) then
FOnNotifyPosition(GetSelectionBounds);
SelectionChanged;
end;
procedure TfrxDesignerWorkspace.KeyDown(var Key: Word; var KeyChar: WideChar; Shift: TShiftState);
var
dx, dy: Integer;
begin
if FDisableUpdate then
Exit;
dx := 0; dy := 0;
//if Shift = [] then
case Key of
vkDelete,
vkBack:
DeleteObjects;
vkReturn:
EditObject;
vkLeft:
dx := -1;
vkRight:
dx := 1;
vkUp:
dy := -1;
vkDown:
dy := 1;
vkTab:
DoTab;
end;
if (dx <> 0) or (dy <> 0) then
begin
if ssCtrl in Shift then
DoNudge(dx, dy, not (ssShift in Shift))
else if ssShift in Shift then
DoSize(dx, dy)
else if ssAlt in Shift then
DoStick(dx, dy)
else
FindNearest(dx, dy);
AdjustBands;
end;
end;
procedure TfrxDesignerWorkspace.KeyUp(var Key: Word; var KeyChar: WideChar; Shift: TShiftState);
begin
if FDisableUpdate then exit;
DoModify;
end;
procedure TfrxDesignerWorkspace.MouseDown(Button: TMouseButton; Shift: TShiftState; X, Y: Single);
var
i, j: Integer;
c, c1: TfrxComponent;
EmptySpace: Boolean;
l: TList;
NeedRepaint: Boolean;
function Contain(c: TfrxComponent): Boolean;
var
w0, w1, w2, w3: Extended;
Left, Top, Right, Bottom, e, k, mx, my: Extended;
begin
Result := False;
w0 := 0;
w1 := 0;
w2 := 0;
if c.Width = 0 then
begin
w0 := 4;
w1 := 4
end
else if c.Height = 0 then
w2 := 4;
w3 := w2;
if c is TfrxBand then
if TfrxBand(c).Vertical then
w0 := FBandHeader
else
w2 := FBandHeader;
Left := c.AbsLeft;
Right := c.AbsLeft + c.Width;
Top := c.AbsTop;
Bottom := c.AbsTop + c.Height;
mx := X / FScale;
my := Y / FScale;
if Right < Left then
begin
e := Right;
Right := Left;
Left := e;
end;
if Bottom < Top then
begin
e := Bottom;
Bottom := Top;
Top := e;
end;
if (c is TfrxLineView) and TfrxLineView(c).Diagonal and
(c.Width <> 0) and (c.Height <> 0) then
begin
k := c.Height / c.Width;
if Abs((k * (mx - c.AbsLeft) - (my - c.AbsTop)) * cos(arctan(k))) < 5 then
Result := True;
if (mx < Left - 5) or (mx > Right + 5) or (my < Top - 5) or (my > Bottom + 5) then
Result := False;
end
else if (mx >= Left - w0) and (mx <= Right + w1) and
(my >= Top - w2) and (my <= Bottom + w3) then
Result := True;
end;
begin
inherited;
{$IFDEF MACOS}
X := X - 2;
Y := Y - 2;
{$ENDIF}
if FDisableUpdate or FMouseDown then exit;
if FDblClicked then
begin
FDblClicked := False;
exit;
end;
l := TList.Create;
for i := 0 to FSelectedObjects.Count - 1 do
l.Add(FSelectedObjects[i]);
//if FPage is TfrxReportPage then
// ValidParentForm(Self).ActiveControl := Parent else
// ValidParentForm(Self).ActiveControl := nil;
SetFocus;
FMouseDown := True;
FLastMousePointX := X / FScale;
FLastMousePointY := Y / FScale;
NeedRepaint := False;
// Ctrl was pressed
if (FMode1 = dmNone) and (ssCtrl in Shift) then
begin
FSelectedObjects.Clear;
FSelectedObjects.Add(FPage);
FMode1 := dmSelectionRect;
FDrawSelection := True;
FSelectionRect := frxRect(X, Y, X, Y);
NeedRepaint := True;
end;
// clicked on object or on empty space
if FMode1 = dmNone then
begin
EmptySpace := True;
for i := FObjects.Count - 1 downto 0 do
begin
c := FObjects[i];
if (c is TfrxReportComponent) and Contain(c) then
begin
EmptySpace := False;
if csContainer in c.frComponentStyle then
begin
if c.ContainerMouseDown(Self, Round(X), Round(Y)) then
FMode1 := dmContainer
else
for j := c.ContainerObjects.Count - 1 downto 0 do
begin
c1 := c.ContainerObjects[j];
if c1.Visible and Contain(c1) then
begin
c := c1;
break;
end;
end;
end;
if ssShift in Shift then
if FSelectedObjects.IndexOf(c) <> -1 then
FSelectedObjects.Remove(c) else
FSelectedObjects.Add(c)
else if FSelectedObjects.IndexOf(c) = -1 then
begin
FSelectedObjects.Clear;
FSelectedObjects.Add(c);
end;
break;
end;
end;
if EmptySpace then
begin
FSelectedObjects.Clear;
FSelectedObjects.Add(FPage);
FMode1 := dmSelectionRect;
FDrawSelection := True;
FSelectionRect := frxRect(X, Y, X, Y);
end
else if FSelectedObjects.Count = 0 then
begin
FSelectedObjects.Add(FPage);
FMode1 := dmNone;
end
else
begin
FSelectedObjects.Remove(FPage);
if FMode1 <> dmContainer then
FMode1 := dmMove;
end;
NeedRepaint := True;
end;
//band detach band objects
if (FMode1 = dmMove) and (FSelectedObjects.Count = 1) and
(TObject(FSelectedObjects[0]) is TfrxBand) and (ssAlt in Shift) then
AdjustBands(False);
// scaling
if FMode1 = dmScale then
begin
FScaleRect := GetSelectionBounds;
FScaleRect.Right := FScaleRect.Right + FScaleRect.Left;
FScaleRect.Bottom := FScaleRect.Bottom + FScaleRect.Top;
FScaleRect1 := FScaleRect;
for i := 0 to SelectedCount - 1 do
begin
c := FSelectedObjects[i];
THackComponent(c).FOriginalRect := frxRect(c.AbsLeft, c.AbsTop, c.Width, c.Height);
end;
end;
// inserting a line
if FMode1 = dmInsertLine then
begin
FInsertion.Width := 0;
FInsertion.Height := 0;
end;
if NeedRepaint then
if not ListsEqual(l, FSelectedObjects) then
SelectionChanged else
Repaint;
if Button = TMouseButton.mbRight then
begin
FMode1 := dmNone;
FMouseDown := False;
Repaint;
if Assigned(FOnPopup) then
FOnPopup(Self, X, Y);
end;
if FMode1 = dmMove then
begin
for i := 0 to FSelectedObjects.Count - 1 do
if TObject(FSelectedObjects[i]) is TfrxView then
begin
FSavedAlign.Add(Pointer(Integer(TfrxView(FSelectedObjects[i]).Align)));
TfrxView(FSelectedObjects[i]).Align := baNone;
end;
end;
l.Free;
end;
procedure TfrxDesignerWorkspace.MouseMove(Shift: TShiftState; X, Y: Single);
var
c: TfrxComponent;
kx, ky, nx, ny: Extended;
i: Integer;
NotifyRect, SaveBounds: TfrxRect;
dpage: TfrxDialogPage;
function Contain(px, py: Extended): Boolean;
begin
Result := (X / FScale >= px - 2) and (X / FScale <= px + 3) and
(Y / FScale >= py - 2) and (Y / FScale <= py + 3);
end;
function Contain0(py: Extended): Boolean;
begin
Result := (Y / FScale >= py - 2) and (Y / FScale <= py + 2);
end;
function Contain1(px, py: Extended): Boolean;
begin
Result := (FLastMousePointX >= px - 2) and (FLastMousePointX <= px + 3) and
(FLastMousePointY >= py - 2) and (FLastMousePointY <= py + 3);
end;
function Contain2(c: TfrxComponent): Boolean;
var
w1, w2: Integer;
begin
w1 := 0;
w2 := 0;
if c.Width = 0 then
w1 := 4 else
w2 := 4;
if (X / FScale >= c.AbsLeft - w1) and (X / FScale <= c.AbsLeft + c.Width + w1) and
(Y / FScale >= c.AbsTop - w2) and (Y / FScale <= c.AbsTop + c.Height + w2) then
Result := True else
Result := False;
end;
function Contain3(px: Extended): Boolean;
begin
Result := (X / FScale >= px - 2) and (X / FScale <= px + 2);
end;
function GridCheck: Boolean;
begin
Result := (kx >= FGridX) or (kx <= -FGridX) or
(ky >= FGridY) or (ky <= -FGridY);
if Result then
begin
kx := Trunc(kx / FGridX) * FGridX;
ky := Trunc(ky / FGridY) * FGridY;
end;
end;
function CheckMove: Boolean;
var
al: Boolean;
begin
al := FGridAlign;
if ssAlt in Shift then
al := not al;
Result := False;
if (al and not GridCheck) or ((kx = 0) and (ky = 0)) then
Result := True;
CheckGuides(kx, ky, Result);
end;
procedure CheckNegative(c: TfrxComponent);
const
ar1: array[ct1..ct8] of TfrxCursorType = (ct3, ct4, ct1, ct2, ct6, ct5, ct0, ct0);
ar2: array[ct1..ct8] of TfrxCursorType = (ct4, ct3, ct2, ct1, ct0, ct0, ct8, ct7);
ar3: array[ct1..ct8] of TfrxCursorType = (ct2, ct1, ct4, ct3, ct0, ct0, ct0, ct0);
begin
if (c is TfrxLineView) and (TfrxLineView(c).Diagonal = True) then exit;
if (c.Width < 0) and (c.Height < 0) then
FCT := ar3[FCT]
else if c.Width < 0 then
FCT := ar1[FCT]
else if c.Height < 0 then
FCT := ar2[FCT];
NormalizeCoord(c);
end;
procedure CTtoCursor;
const
ar: array[ct0..ct10] of TCursor =
(crDefault, crSizeNWSE, crSizeNWSE, crSizeNESW,
crSizeNESW, crSizeWE, crSizeWE, crSizeNS, crSizeNS, crCross, crCross);
begin
Cursor := ar[FCT];
end;
begin
inherited;
if FDisableUpdate then Exit;
{$IFDEF MACOS}
X := X - 2;
Y := Y - 2;
{$ENDIF}
if SelectedCount = 0 then
NotifyRect := frxRect(X / FScale, Y / FScale, 0, 0) else
NotifyRect := GetSelectionBounds;
// cursor shapes
if not FMouseDown and (FMode = dmSelect) then
if SelectedCount = 1 then
begin
FMode1 := dmSize;
c := FSelectedObjects[0];
FCT := ct0;
if Contain(c.AbsLeft, c.AbsTop) then
FCT := ct1
else if Contain(c.AbsLeft + c.Width, c.AbsTop + c.Height) then
FCT := ct2
else if Contain(c.AbsLeft + c.Width, c.AbsTop) then
FCT := ct3
else if Contain(c.AbsLeft, c.AbsTop + c.Height) then
FCT := ct4
else if Contain(c.AbsLeft + c.Width, c.AbsTop + c.Height / 2) then
FCT := ct5
else if Contain(c.AbsLeft, c.AbsTop + c.Height / 2) then
FCT := ct6
else if Contain(c.AbsLeft + c.Width / 2, c.AbsTop) then
FCT := ct7
else if Contain(c.AbsLeft + c.Width / 2, c.AbsTop + c.Height) then
FCT := ct8;
if c is TfrxCustomLineView then
if not TfrxCustomLineView(c).Diagonal then
begin
if c.Width = 0 then
if FCT in [ct1, ct3] then
FCT := ct7
else if FCT in [ct4, ct2] then
FCT := ct8
else
FCT := ct0;
if c.Height = 0 then
if FCT in [ct1, ct4] then
FCT := ct6
else if FCT in [ct3, ct2] then
FCT := ct5
else
FCT := ct0;
end
else
if FCT = ct1 then
FCT := ct9
else if FCT = ct2 then
FCT := ct10
else
FCT := ct0;
if FCT = ct0 then
FMode1 := dmNone;
CTtoCursor;
end
else if SelectedCount > 1 then
begin
FMode1 := dmScale;
c := GetRightBottomObject;
if (c <> nil) and Contain(c.AbsLeft + c.Width, c.AbsTop + c.Height) then
Cursor := crSizeNWSE
else
begin
Cursor := crDefault;
FMode1 := dmNone;
end;
end
else if FPage is TfrxDialogPage then
begin
FMode1 := dmSize;
dpage := TfrxDialogPage(FPage);
FCT := ct0;
if Contain(dpage.ClientWidth - 2, dpage.ClientHeight - 2) then
FCT := ct2
else if Contain(dpage.ClientWidth - 2, dpage.ClientHeight / 2 - 1) then
FCT := ct5
else if Contain(dpage.ClientWidth / 2 - 1, dpage.ClientHeight - 2) then
FCT := ct8;
if FCT = ct0 then
FMode1 := dmNone;
CTtoCursor;
end
else
Cursor := crDefault;
// resizing a band - setup
if not FMouseDown and (FMode = dmSelect) and not (FMode1 in [dmSize, dmScale]) then
begin
Cursor := crDefault;
FMode1 := dmNone;
for i := 0 to FObjects.Count - 1 do
begin
c := FObjects[i];
if c is TfrxBand then
if TfrxBand(c).Vertical then
begin
if Contain3(c.Left + c.Width) then
begin
Cursor := crHSplit;
FMode1 := dmSizeBand;
FSizedBand := TfrxBand(c);
break;
end;
end
else
begin
if Contain0(c.Top + c.Height) then
begin
Cursor := crVSplit;
FMode1 := dmSizeBand;
FSizedBand := TfrxBand(c);
break;
end;
end;
end;
end;
// resizing a band
if FMouseDown and (FMode1 = dmSizeBand) then
begin
kx := X / FScale - FLastMousePointX;
ky := Y / FScale - FLastMousePointY;
if CheckMove then Exit;
FModifyFlag := True;
if FSizedBand.Vertical then
FSizedBand.Width := FSizedBand.Width + kx
else
FSizedBand.Height := FSizedBand.Height + ky;
AdjustBandHeight(FSizedBand);
AdjustBands;
FLastMousePointX := FLastMousePointX + kx;
FLastMousePointY := FLastMousePointY + ky;
Repaint;
with FSizedBand do
NotifyRect := frxRect(Left, Top, Width, Height);
end;
// inserting
if not FMouseDown and (FMode1 = dmInsertObject) then
begin
kx := X / FScale - FInsertion.Left;
ky := Y / FScale - FInsertion.Top;
if CheckMove then Exit;
FInsertion.Left := FInsertion.Left + kx;
FInsertion.Top := FInsertion.Top + ky;
FDrawInsertion := True;
Repaint;
with FInsertion do
NotifyRect := frxRect(Left, Top, Width, Height);
end;
// inserting + resizing
if FMouseDown and (FMode1 = dmInsertObject) then
begin
kx := X / FScale - FInsertion.Left;
ky := Y / FScale - FInsertion.Top;
if CheckMove then Exit;
FInsertion.Width := kx;
FInsertion.Height := ky;
FDrawInsertion := True;
Repaint;
with FInsertion do
NotifyRect := frxRect(Left, Top, Width, Height);
end;
// moving
if FMouseDown and (FMode1 = dmMove) and not(ssShift in Shift) then
begin
kx := X / FScale - FLastMousePointX;
ky := Y / FScale - FLastMousePointY;
if CheckMove then Exit;
{ vertical band }
if not FModifyFlag and (SelectedCount = 1) and
(TObject(FSelectedObjects[0]) is TfrxBand) and
(TfrxBand(FSelectedObjects[0]).Vertical) then
begin
for i := 0 to FObjects.Count - 1 do
begin
c := FObjects[i];
if (c is TfrxView) and
(c.Left >= TfrxBand(FSelectedObjects[0]).Left - 1e-4) and
(c.Left + c.Width <= TfrxBand(FSelectedObjects[0]).Left +
TfrxBand(FSelectedObjects[0]).Width + 1e-4) then
FSelectedObjects.Add(c);
end;
end;
if (TObject(FSelectedObjects[0]) is TfrxBand) and
(TfrxBand(FSelectedObjects[0]).Vertical) then
ky := 0;
FModifyFlag := True;
for i := 0 to SelectedCount - 1 do
begin
c := FSelectedObjects[i];
c.Left := c.Left + kx;
if FSelectedObjects.IndexOf(c.Parent) = -1 then
begin
if c.IsAncestor and (c is TfrxView) then
if (c.Top + ky < -1e-4) or (c.Top + ky > c.Parent.Height) then
continue;
c.Top := c.Top + ky;
end;
end;
FLastMousePointX := FLastMousePointX + kx;
FLastMousePointY := FLastMousePointY + ky;
Repaint;
NotifyRect := GetSelectionBounds;
end;
// resizing one object
if FMouseDown and (FMode1 = dmSize) and (SelectedCount = 1) then
begin
kx := X / FScale - FLastMousePointX;
ky := Y / FScale - FLastMousePointY;
if CheckMove then Exit;
FModifyFlag := True;
c := FSelectedObjects[0];
SaveBounds := frxRect(c.Left, c.Top, c.Width, c.Height);
case FCT of
ct1, ct9:
begin
c.Left := c.Left + kx;
c.Width := c.Width - kx;
c.Top := c.Top + ky;
c.Height := c.Height - ky;
end;
ct2, ct10:
begin
c.Width := c.Width + kx;
c.Height := c.Height + ky;
end;
ct3:
begin
c.Top := c.Top + ky;
c.Width := c.Width + kx;
c.Height := c.Height - ky;
end;
ct4:
begin
c.Left := c.Left + kx;
c.Width := c.Width - kx;
c.Height := c.Height + ky;
end;
ct5:
begin
c.Width := c.Width + kx;
end;
ct6:
begin
c.Left := c.Left + kx;
c.Width := c.Width - kx;
end;
ct7:
begin
c.Top := c.Top + ky;
c.Height := c.Height - ky;
end;
ct8:
begin
c.Height := c.Height + ky;
end;
end;
CheckNegative(c);
CTtoCursor;
if c.Left < 0 then
c.Left := 0;
if c.IsAncestor and (c is TfrxView) then
if (c.Top < -1e-4) or (c.Top > c.Parent.Height) then
c.SetBounds(SaveBounds.Left, SaveBounds.Top, SaveBounds.Right, SaveBounds.Bottom);
if c is TfrxBand then
begin
if FCT in [ct1, ct3, ct7] then
for i := 0 to c.Objects.Count - 1 do
with TfrxComponent(c.Objects[i]) do
Top := Top - ky;
AdjustBandHeight(TfrxBand(c));
AdjustBands;
end;
FLastMousePointX := FLastMousePointX + kx;
FLastMousePointY := FLastMousePointY + ky;
Repaint;
NotifyRect := frxRect(c.Left, c.Top, c.Width, c.Height);
end;
// resizing dialogue form
if FMouseDown and (FMode1 = dmSize) and (TObject(FSelectedObjects[0]) is TfrxDialogPage) then
begin
kx := X / FScale - FLastMousePointX;
ky := Y / FScale - FLastMousePointY;
if CheckMove then Exit;
FModifyFlag := True;
dpage := TObject(FSelectedObjects[0]) as TfrxDialogPage;
case FCT of
ct2:
begin
dpage.ClientWidth := dpage.ClientWidth + kx;
dpage.ClientHeight := dpage.ClientHeight + ky;
end;
ct5:
begin
dpage.ClientWidth := dpage.ClientWidth + kx;
end;
ct8:
begin
dpage.ClientHeight := dpage.ClientHeight + ky;
end;
end;
FLastMousePointX := FLastMousePointX + kx;
FLastMousePointY := FLastMousePointY + ky;
SetPageDimensions(Round(dpage.ClientWidth), Round(dpage.ClientHeight), Rect(0, 0, 0, 0));
Repaint;
NotifyRect := frxRect(0, 0, dpage.ClientWidth, dpage.ClientHeight);
end;
// scaling
if FMouseDown and (FMode1 = dmScale) then
begin
kx := X / FScale - FLastMousePointX;
ky := Y / FScale - FLastMousePointY;
if CheckMove then Exit;
FModifyFlag := True;
with FScaleRect do
if not ((Right + kx < Left) or (Bottom + ky < Top)) then
FScaleRect := frxRect(Left, Top, Right + kx, Bottom + ky);
nx := (FScaleRect.Right - FScaleRect.Left) / (FScaleRect1.Right - FScaleRect1.Left);
ny := (FScaleRect.Bottom - FScaleRect.Top) / (FScaleRect1.Bottom - FScaleRect1.Top);
for i := 0 to SelectedCount - 1 do
begin
c := FSelectedObjects[i];
c.Left := FScaleRect1.Left + (THackComponent(c).FOriginalRect.Left - FScaleRect1.Left) * nx;
c.Top := FScaleRect1.Top + (THackComponent(c).FOriginalRect.Top - FScaleRect1.Top) * ny;
if c.Parent is TfrxBand then
c.Top := c.Top - c.Parent.Top;
c.Width := THackComponent(c).FOriginalRect.Right * nx;
c.Height := THackComponent(c).FOriginalRect.Bottom * ny;
end;
FLastMousePointX := FLastMousePointX + kx;
FLastMousePointY := FLastMousePointY + ky;
Repaint;
with FScaleRect do
NotifyRect := frxRect(Right - Left, Bottom - Top, nx, ny);
end;
// drawing selection rectangle
if FMouseDown and (FMode1 = dmSelectionRect) then
begin
FSelectionRect := frxRect(FSelectionRect.Left, FSelectionRect.Top, X, Y);
Repaint;
end;
// inserting a line
if not FMouseDown and (FMode1 = dmInsertLine) then
begin
kx := X / FScale - FInsertion.Left;
ky := Y / FScale - FInsertion.Top;
if CheckMove then Exit;
FInsertion.Left := FInsertion.Left + kx;
FInsertion.Top := FInsertion.Top + ky;
with FInsertion do
NotifyRect := frxRect(Left, Top, 0, 0);
Repaint;
end;
// inserting a line + resizing
if FMouseDown and (FMode1 = dmInsertLine) then
begin
kx := X / FScale - (FInsertion.Left + FInsertion.Width);
ky := Y / FScale - (FInsertion.Top + FInsertion.Height);
if CheckMove then Exit;
FInsertion.Width := FInsertion.Width + kx;
FInsertion.Height := FInsertion.Height + ky;
with FInsertion do
NotifyRect := frxRect(Left, Top, Width, Height);
Repaint;
end;
// check containers
if not FMouseDown and (FMode = dmSelect) and not (FMode1 in [dmSize, dmScale]) then
for i := 0 to FObjects.Count - 1 do
begin
c := FObjects[i];
if (csContainer in c.frComponentStyle) and Contain2(c) then
c.ContainerMouseMove(Self, Round(X), Round(Y));
end;
// handle containers
if FMouseDown and (FMode1 = dmContainer) then
begin
kx := X / FScale - FLastMousePointX;
ky := Y / FScale - FLastMousePointY;
if CheckMove then Exit;
FModifyFlag := True;
c := FSelectedObjects[0];
c.ContainerMouseMove(Self, Round(X), Round(Y));
FLastMousePointX := FLastMousePointX + kx;
FLastMousePointY := FLastMousePointY + ky;
Repaint;
end;
//todo
// if FMouseDown and (Cursor <> crHand) then
// if Parent is TScrollingWinControl then
// with TScrollingWinControl(Parent) do
// begin
// x := x + Round(FMargins.Left * FScale);
// y := y + Round(FMargins.Top * FScale);
// if x > (ClientRect.Right + HorzScrollBar.Position) then
// begin
// i := x - (ClientRect.Right + HorzScrollBar.Position);
// HorzScrollBar.Position := HorzScrollBar.Position + i;
// end;
// if x < HorzScrollBar.Position then
// begin
// i := HorzScrollBar.Position - x;
// HorzScrollBar.Position := HorzScrollBar.Position - i;
// end;
// if y > (ClientRect.Bottom + VertScrollBar.Position) then
// begin
// i := y - (ClientRect.Bottom + VertScrollBar.Position);
// VertScrollBar.Position := VertScrollBar.Position + i;
// end;
// if y < VertScrollBar.Position then
// begin
// i := VertScrollBar.Position - y;
// VertScrollBar.Position := VertScrollBar.Position - i;
// end;
// end;
if (SelectedCount = 0) or FMouseDown then
if Assigned(FOnNotifyPosition) then
FOnNotifyPosition(NotifyRect);
end;
procedure TfrxDesignerWorkspace.MouseUp(Button: TMouseButton; Shift: TShiftState; X, Y: Single);
var
i, j: Integer;
c, c1: TfrxComponent;
R: TfrxRect;
l: TList;
NotifyRect: TfrxRect;
function Round8(e: Extended): Extended;
begin
Result := Round(e * 100000000) / 100000000;
end;
function Contain(c: TfrxComponent): Boolean;
var
cLeft, cTop, cRight, cBottom, e: Extended;
Sign: Boolean;
function Dist(x, y: Extended): Boolean;
var
k: Extended;
begin
k := c.Height / c.Width;
k := (k * (x / FScale - c.AbsLeft) - (y / FScale - c.AbsTop)) * cos(arctan(k));
Result := k >= 0;
end;
function RectInRect: Boolean;
begin
with FSelectionRect do
Result := not ((cLeft > Right / FScale) or
(cRight < Left / FScale) or
(cTop > Bottom / FScale) or
(cBottom < Top / FScale));
end;
begin
Result := False;
cLeft := c.AbsLeft;
cRight := c.AbsLeft + c.Width;
cTop := c.AbsTop;
cBottom := c.AbsTop + c.Height;
if cRight < cLeft then
begin
e := cRight;
cRight := cLeft;
cLeft := e;
end;
if cBottom < cTop then
begin
e := cBottom;
cBottom := cTop;
cTop := e;
end;
if (c is TfrxLineView) and TfrxLineView(c).Diagonal and
(c.Width <> 0) and (c.Height <> 0) then
with FSelectionRect do
begin
Sign := Dist(Left, Top);
if Dist(Right, Top) <> Sign then
Result := True;
if Dist(Left, Bottom) <> Sign then
Result := True;
if Dist(Right, Bottom) <> Sign then
Result := True;
if Result then
Result := RectInRect;
end
else
Result := RectInRect;
end;
begin
inherited;
if FDisableUpdate then Exit;
if Button <> TMouseButton.mbLeft then Exit;
{$IFDEF MACOS}
X := X - 2;
Y := Y - 2;
{$ENDIF}
l := TList.Create;
for i := 0 to FSelectedObjects.Count - 1 do
l.Add(FSelectedObjects[i]);
FMouseDown := False;
// insert an object
if FMode = dmInsert then
begin
with FInsertion do
begin
R := frxRect(Left, Top, Left + Width, Top + Height);
if ((ComponentClass.InheritsFrom(TfrxCustomLineView)) and (Flags = 0)) then
begin
if Width < 0 then
R.Right := Left - Width;
if Height < 0 then
R.Bottom := Top - Height;
if (Width < 0) and (Abs(Width) > Abs(Height)) then
begin
R.Left := Left + Width;
R.Right := Left;
end;
if (Height < 0) and (Abs(Height) > Abs(Width)) then
begin
R.Top := Top + Height;
R.Bottom := Top;
end;
end
else if not ((ComponentClass.InheritsFrom(TfrxLineView)) and (Flags <> 0)) then
begin
if ((Width >= 0) and (Width < 4)) or ((Height > 0) and (Height < 4)) then
R := frxRect(Left, Top, Left + OriginalWidth, Top + OriginalHeight);
NormalizeRect(R);
end;
Left := Round8(R.Left);
Top := Round8(R.Top);
Width := Round8(R.Right - R.Left);
Height := Round8(R.Bottom - R.Top);
end;
FDrawInsertion := False;
if Assigned(FOnInsert) then
FOnInsert(Self);
end;
// select objects that inside of selection rect
if FMode1 = dmSelectionRect then
begin
NormalizeRect(FSelectionRect);
FSelectedObjects.Clear;
for i := 0 to FObjects.Count - 1 do
begin
c := FObjects[i];
if (c is TfrxReportComponent) and not (c is TfrxBand) and Contain(c) then
if not (csContainer in c.frComponentStyle) then
FSelectedObjects.Add(c)
else
begin
for j := 0 to c.ContainerObjects.Count - 1 do
begin
c1 := c.ContainerObjects[j];
if c1.Visible and Contain(c1) then
FSelectedObjects.Add(c1);
end;
end;
end;
FDrawSelection := False;
if FSelectedObjects.Count = 0 then
FSelectedObjects.Add(FPage);
Repaint;
end;
// round coordinates
if FMode1 in [dmMove, dmSize] then
for i := 0 to SelectedCount - 1 do
begin
c := FSelectedObjects[i];
if (c is TfrxView) and (FMode1 = dmMove) then
if FSavedAlign.Count > 0 then
begin
TfrxView(c).Align := TfrxAlign(FSavedAlign[0]);
FSavedAlign.Delete(0);
end;
c.Left := Round8(c.Left);
c.Top := Round8(c.Top);
c.Width := Round8(c.Width);
c.Height := Round8(c.Height);
end;
if FMode1 = dmSizeBand then
FSizedBand.Height := Round8(FSizedBand.Height);
// container
if FMode1 = dmContainer then
begin
c := SelectedObjects[0];
c.ContainerMouseUp(Self, Round(X), Round(Y));
end;
AdjustBands;
if not ListsEqual(l, FSelectedObjects) then
SelectionChanged else
Repaint;
DoModify;
l.Free;
FCT := ct0;
if not ((FMode = dmInsert) and (FInsertion.ComponentClass <> nil)) then
FMode1 := dmNone;
if SelectedCount = 0 then
NotifyRect := frxRect(X / FScale, Y / FScale, 0, 0) else
NotifyRect := GetSelectionBounds;
if Assigned(FOnNotifyPosition) then
FOnNotifyPosition(NotifyRect);
end;
procedure TfrxDesignerWorkspace.DblClick;
begin
inherited;
EditObject;
FDblClicked := True;
end;
procedure TfrxDesignerWorkspace.MouseLeave;
begin
if not FMouseDown and (FMode1 = dmInsertObject) then
begin
FInsertion.Left := -FGridX * 1000;
FInsertion.Top := -FGridY * 1000;
FDrawInsertion := False;
Repaint;
end;
if not FMouseDown and (FMode1 = dmInsertLine) then
begin
if FGridType = gtChar then
begin
FInsertion.Left := - FGridX / 2;
FInsertion.Top := - FGridY / 2;
end
else
begin
FInsertion.Left := - FGridX;
FInsertion.Top := - FGridY;
end;
Repaint;
end;
if FMode = dmDrag then
SetInsertion(nil, 0, 0, 0);
end;
procedure TfrxDesignerWorkspace.CheckGuides(var kx, ky: Extended;
var Result: Boolean);
begin
//
end;
procedure TfrxDesignerWorkspace.GroupObjects;
var
i, j: Integer;
c: TfrxComponent;
sl: TStringList;
begin
sl := TfrxStringList.Create;
sl.Sorted := True;
sl.Duplicates := dupIgnore;
{ reset group index }
for i := 0 to SelectedCount - 1 do
begin
c := FSelectedObjects[i];
c.GroupIndex := 0;
end;
{ collect available indexes }
for i := 0 to FObjects.Count - 1 do
begin
c := FObjects[i];
sl.Add(IntToStr(c.GroupIndex));
end;
{ find an unique index }
j := 0;
repeat
Inc(j);
until sl.IndexOf(IntToStr(j)) = -1;
{ set group index }
for i := 0 to SelectedCount - 1 do
begin
c := FSelectedObjects[i];
c.GroupIndex := j;
end;
sl.Free;
end;
procedure TfrxDesignerWorkspace.UngroupObjects;
var
i: Integer;
c: TfrxComponent;
begin
for i := 0 to SelectedCount - 1 do
begin
c := FSelectedObjects[i];
c.GroupIndex := 0;
end;
end;
end.
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