david
78ab77cd4c
git-svn-id: https://192.168.0.254/svn/Componentes.Terceros.jvcl@19 7f62d464-2af8-f54e-996c-e91b33f51cbe
288 lines
8.0 KiB
ObjectPascal
288 lines
8.0 KiB
ObjectPascal
{-----------------------------------------------------------------------------
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The contents of this file are subject to the Mozilla Public License
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Version 1.1 (the "License"); you may not use this file except in compliance
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with the License. You may obtain a copy of the License at
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http://www.mozilla.org/MPL/MPL-1.1.html
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Software distributed under the License is distributed on an "AS IS" basis,
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WITHOUT WARRANTY OF ANY KIND, either expressed or implied. See the License for
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the specific language governing rights and limitations under the License.
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The Original Code is: JvControlBar.PAS, released on 2001-02-28.
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The Initial Developer of the Original Code is Sébastien Buysse [sbuysse att buypin dott com]
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Portions created by Sébastien Buysse are Copyright (C) 2001 Sébastien Buysse.
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All Rights Reserved.
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Contributor(s): Michael Beck [mbeck att bigfoot dott com].
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You may retrieve the latest version of this file at the Project JEDI's JVCL home page,
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located at http://jvcl.delphi-jedi.org
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Known Issues:
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-----------------------------------------------------------------------------}
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// $Id: JvControlBar.pas 12461 2009-08-14 17:21:33Z obones $
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unit JvControlBar;
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{$I jvcl.inc}
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interface
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uses
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{$IFDEF UNITVERSIONING}
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JclUnitVersioning,
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{$ENDIF UNITVERSIONING}
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Windows, Classes, Graphics, Controls, Menus,
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JvExControls, JvExExtCtrls, JvAppStorage;
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type
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TPopupNames = (pnHint, pnName);
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TJvControlBar = class(TJvExControlBar, IJvDenySubClassing,
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IJvAppStorageHandler, IJvAppStoragePublishedProps)
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private
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FPopupControl: Boolean;
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FPopup: TPopupMenu;
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FPopupNames: TPopupNames;
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FList: TList;
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protected
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procedure ReadFromAppStorage(AppStorage: TJvCustomAppStorage; const BasePath: string); virtual;
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procedure WriteToAppStorage(AppStorage: TJvCustomAppStorage; const BasePath: string); virtual;
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function DoEraseBackground(Canvas: TCanvas; Param: Integer): Boolean; override;
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procedure DoAddDockClient(Client: TControl; const ARect: TRect); override;
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procedure MouseUp(Button: TMouseButton; Shift: TShiftState; X, Y: Integer); override;
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procedure PopupMenuClick(Sender: TObject);
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procedure Loaded; override;
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public
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constructor Create(AOwner: TComponent); override;
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destructor Destroy; override;
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procedure LoadPositions(const Value: string);
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function SavePositions: string;
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published
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property HintColor;
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{$IFDEF JVCLThemesEnabled}
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property ParentBackground;
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{$ENDIF JVCLThemesEnabled}
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property PopupControl: Boolean read FPopupControl write FPopupControl default True;
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property PopupNames: TPopupNames read FPopupNames write FPopupNames default pnHint;
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property OnMouseEnter;
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property OnMouseLeave;
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property OnParentColorChange;
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end;
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{$IFDEF UNITVERSIONING}
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const
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UnitVersioning: TUnitVersionInfo = (
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RCSfile: '$URL: https://jvcl.svn.sourceforge.net/svnroot/jvcl/tags/JVCL3_39/run/JvControlBar.pas $';
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Revision: '$Revision: 12461 $';
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Date: '$Date: 2009-08-14 19:21:33 +0200 (ven., 14 août 2009) $';
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LogPath: 'JVCL\run'
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);
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{$ENDIF UNITVERSIONING}
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implementation
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uses
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SysUtils,
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JvThemes;
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const
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cFalse = 'false';
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cTrue = 'true';
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cUndocked = 'undocked';
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constructor TJvControlBar.Create(AOwner: TComponent);
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begin
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inherited Create(AOwner);
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FList := TList.Create;
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FPopupControl := True;
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FPopupNames := pnHint;
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ControlStyle := ControlStyle + [csAcceptsControls];
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IncludeThemeStyle(Self, [csParentBackground]);
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end;
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destructor TJvControlBar.Destroy;
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begin
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FList.Free;
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FPopup.Free;
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inherited Destroy;
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end;
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function TJvControlBar.DoEraseBackground(Canvas: TCanvas; Param: Integer): Boolean;
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begin
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if Picture.Graphic <> nil then
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Result := inherited DoEraseBackground(Canvas, Param)
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else
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begin
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DrawThemedBackground(Self, Canvas.Handle, ClientRect, Parent.Brush.Handle);
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Result := True;
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end;
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end;
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procedure TJvControlBar.MouseUp(Button: TMouseButton; Shift: TShiftState;
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X, Y: Integer);
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var
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I: Integer;
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procedure DoAddControl(const AControl: TControl; const Index: Integer);
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var
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It: TMenuItem;
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begin
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It := TMenuItem.Create(FPopup);
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if PopupNames = pnHint then
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It.Caption := AControl.Hint
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else
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It.Caption := AControl.Name;
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It.AutoCheck := True;
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It.Tag := Index;
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It.OnClick := PopupMenuClick;
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It.Checked := AControl.Visible;
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FPopup.Items.Add(It);
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end;
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begin
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inherited MouseUp(Button, Shift, X, Y);
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if PopupControl and (Button = mbRight) then
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begin
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if FPopup <> nil then
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FPopup.Items.Clear
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else
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FPopup := TPopupMenu.Create(Self);
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for I := 0 to FList.Count - 1 do
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DoAddControl(TControl(FList[I]), I);
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with ClientToScreen(Point(X, Y)) do
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FPopup.Popup(X, Y);
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end;
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end;
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procedure TJvControlBar.PopupMenuClick(Sender: TObject);
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begin
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with Sender as TMenuItem do
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begin
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if (Tag >= 0) and (Tag < FList.Count) then
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TControl(FList[Tag]).Visible := Checked;
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end;
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end;
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procedure TJvControlBar.LoadPositions(const Value: string);
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var
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St, St2: string;
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I, J: Integer;
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LLeft, LTop: Integer;
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LDocked: Boolean;
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begin
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St := Value;
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J := 0;
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while (Length(St) > 1) and (J < FList.Count) do
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begin
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I := Pos(';', St);
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if I = 0 then
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begin
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St2 := St;
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St := '';
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end
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else
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begin
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St2 := Copy(St, 1, I - 1);
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St := Copy(St, I + 1, Length(St));
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end;
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I := Pos(',', St2);
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if I <> 0 then
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begin
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TControl(FList[J]).Visible := Pos(cTrue, St2) = 1;
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St2 := Copy(St2, I + 1, Length(St2));
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I := Pos(',', St2);
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if I <> 0 then
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begin
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LLeft := StrToIntDef(Copy(St2, 1, I - 1), TControl(FList[J]).Left);
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LDocked := True;
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St2 := Copy(St2, I + 1, Length(St2));
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I := Pos(',', St2);
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if I <> 0 then
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begin
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if Pos(cUndocked, St2) <> 0 then
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LDocked := False;
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St2 := Copy(St2, 1, I - 1);
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end;
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if LDocked and (TControl(FList[J]).Parent <> Self) then
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TControl(FList[J]).ManualDock(Self)
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else
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if (not LDocked) and (TControl(FList[J]).Parent = Self) then
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TControl(FList[J]).ManualDock(nil);
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LTop := StrToIntDef(St2, TControl(FList[J]).Top);
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if ControlAtPos(Point(LLeft, TControl(FList[J]).Top), True) <> nil then
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begin
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TControl(FList[J]).Left := LLeft;
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TControl(FList[J]).Top := LTop;
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end
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else
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begin
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TControl(FList[J]).Top := LTop;
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TControl(FList[J]).Left := LLeft;
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end;
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end;
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end;
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Inc(J);
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end;
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end;
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function TJvControlBar.SavePositions: string;
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var
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I: Integer;
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begin
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Result := '';
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for I := 0 to FList.Count - 1 do
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begin
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if TControl(FList[I]).Visible then
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Result := Result + cTrue + ','
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else
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Result := Result + cFalse + ',';
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Result := Result + IntToStr(TControl(FList[I]).Left) + ',' +
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IntToStr(TControl(FList[I]).Top);
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if TControl(FList[I]).Parent <> Self then
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Result := Result + ',' + cUndocked;
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Result := Result + ';';
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end;
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end;
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procedure TJvControlBar.Loaded;
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var
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I: Integer;
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begin
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inherited Loaded;
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for I := 0 to ControlCount - 1 do
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FList.Add(Controls[I]);
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end;
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procedure TJvControlBar.DoAddDockClient(Client: TControl; const ARect: TRect);
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begin
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inherited DoAddDockClient(Client, ARect);
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if FList.IndexOf(Client) = -1 then
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FList.Add(Client);
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end;
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procedure TJvControlBar.ReadFromAppStorage(AppStorage: TJvCustomAppStorage; const BasePath: string);
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begin
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LoadPositions(AppStorage.ReadString(BasePath));
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end;
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procedure TJvControlBar.WriteToAppStorage(AppStorage: TJvCustomAppStorage; const BasePath: string);
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begin
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AppStorage.WriteString(BasePath, SavePositions);
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end;
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{$IFDEF UNITVERSIONING}
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initialization
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RegisterUnitVersion(HInstance, UnitVersioning);
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finalization
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UnregisterUnitVersion(HInstance);
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{$ENDIF UNITVERSIONING}
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end.
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