| 1 | unit fOMNavA; | 
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| 2 |  | 
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| 3 | {$ASSERTIONS OFF} | 
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| 4 |  | 
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| 5 | interface | 
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| 6 |  | 
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| 7 | uses | 
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| 8 | Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs, | 
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| 9 | Buttons, Grids, StdCtrls, ORCtrls, ExtCtrls, uConst, rOrders, uOrders, fFrame; | 
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| 10 |  | 
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| 11 | type | 
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| 12 | TfrmOMNavA = class(TForm) | 
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| 13 | pnlTool: TPanel; | 
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| 14 | cmdDone: TORAlignButton; | 
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| 15 | grdMenu: TCaptionStringGrid; | 
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| 16 | cmdPrev: TBitBtn; | 
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| 17 | cmdNext: TBitBtn; | 
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| 18 | procedure FormActivate(Sender: TObject); | 
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| 19 | procedure FormClose(Sender: TObject; var Action: TCloseAction); | 
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| 20 | procedure FormCreate(Sender: TObject); | 
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| 21 | procedure grdMenuDrawCell(Sender: TObject; ACol, ARow: Integer; | 
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| 22 | Rect: TRect; State: TGridDrawState); | 
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| 23 | procedure grdMenuKeyDown(Sender: TObject; var Key: Word; | 
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| 24 | Shift: TShiftState); | 
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| 25 | procedure grdMenuMouseDown(Sender: TObject; Button: TMouseButton; | 
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| 26 | Shift: TShiftState; X, Y: Integer); | 
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| 27 | procedure grdMenuMouseMove(Sender: TObject; Shift: TShiftState; X, | 
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| 28 | Y: Integer); | 
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| 29 | procedure grdMenuMouseUp(Sender: TObject; Button: TMouseButton; | 
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| 30 | Shift: TShiftState; X, Y: Integer); | 
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| 31 | procedure pnlToolMouseDown(Sender: TObject; Button: TMouseButton; | 
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| 32 | Shift: TShiftState; X, Y: Integer); | 
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| 33 | procedure pnlToolMouseMove(Sender: TObject; Shift: TShiftState; X, | 
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| 34 | Y: Integer); | 
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| 35 | procedure pnlToolMouseUp(Sender: TObject; Button: TMouseButton; | 
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| 36 | Shift: TShiftState; X, Y: Integer); | 
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| 37 | procedure cmdDoneClick(Sender: TObject); | 
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| 38 | procedure cmdPrevClick(Sender: TObject); | 
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| 39 | procedure cmdNextClick(Sender: TObject); | 
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| 40 | procedure FormDestroy(Sender: TObject); | 
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| 41 | procedure grdMenuKeyUp(Sender: TObject; var Key: Word; | 
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| 42 | Shift: TShiftState); | 
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| 43 | procedure FormResize(Sender: TObject); | 
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| 44 | private | 
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| 45 | FOrderingMenu: Integer; | 
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| 46 | FLastCol: Integer; | 
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| 47 | FLastRow: Integer; | 
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| 48 | FMouseDown: Boolean; | 
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| 49 | FCtrlUp: Boolean; | 
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| 50 | FSelecting: Boolean; | 
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| 51 | FOrderMenuItem: TOrderMenuItem; | 
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| 52 | FMenuHits: TList; {of TOrderMenu} | 
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| 53 | FStack: TList; {of TMenuPath} | 
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| 54 | FQuickBitmap: TBitmap; | 
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| 55 | FOrigPoint: TPoint; | 
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| 56 | FStartPoint: TPoint; | 
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| 57 | FFormMove: Boolean; | 
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| 58 | FKeyVars: string; | 
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| 59 | FDelayEvent: TOrderDelayEvent; | 
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| 60 | FMenuStyle: Integer; | 
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| 61 | FRefNum: Integer; | 
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| 62 | FSelectList: TList; {of TOrderMenuItem} | 
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| 63 | FTheShift: TShiftState; | 
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| 64 | procedure ActivateDialog(AnItem: TOrderMenuItem); | 
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| 65 | procedure AddToSelectList(AnItem: TOrderMenuItem); | 
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| 66 | procedure ClearMenuGrid; | 
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| 67 | function DialogNotDisabled(DlgIEN: Integer): Boolean; | 
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| 68 | procedure DoSelectList; | 
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| 69 | function FindOrderMenu(AMenu: Integer): TOrderMenu; | 
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| 70 | procedure PlaceMenuItems; | 
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| 71 | procedure SetNavButtons; | 
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| 72 | procedure CMMouseLeave(var Message: TMessage); message CM_MOUSELEAVE; | 
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| 73 | procedure UMDestroy(var Message: TMessage);    message UM_DESTROY; | 
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| 74 | public | 
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| 75 | procedure CreateParams(var Params: TCreateParams); override; | 
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| 76 | procedure SetEventDelay(AnEvent: TOrderDelayEvent); | 
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| 77 | procedure SetNewMenu(MenuIEN: Integer; AnOwner: TComponent; ARefNum: Integer); | 
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| 78 | procedure ResizeFont; | 
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| 79 | property RefNum: Integer read FRefNum write FRefNum; | 
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| 80 | end; | 
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| 81 |  | 
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| 82 | var | 
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| 83 | frmOMNavA: TfrmOMNavA; | 
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| 84 |  | 
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| 85 | implementation | 
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| 86 |  | 
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| 87 | {$R *.DFM} | 
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| 88 |  | 
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| 89 | uses rODBase, ORFn, fODBase,fODGen, fODAuto, fOMVerify, uCore, rMisc, uODBase, | 
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| 90 | fOrders, uAccessibleStringGrid; | 
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| 91 |  | 
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| 92 | const | 
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| 93 | TX_NOFORM    = 'This selection does not have an associated windows form.'; | 
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| 94 | TC_NOFORM    = 'Missing Form ID'; | 
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| 95 | TX_ODACTIVE  = 'An ordering dialog is already active.'; | 
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| 96 | TC_ODACTIVE  = 'Unable to Select Item'; | 
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| 97 | TX_QO_NOSAVE = 'Unexpected error - it was not possible to save this order.'; | 
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| 98 | TC_QO_NOSAVE = 'Unable to Save Quick Order'; | 
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| 99 | TC_DISABLED  = 'Item Disabled'; | 
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| 100 |  | 
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| 101 | type | 
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| 102 | TMenuPath = class | 
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| 103 | IENList: array of Integer; | 
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| 104 | OwnedBy: TComponent; | 
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| 105 | RefNum:  Integer; | 
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| 106 | Current: Integer; | 
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| 107 | end; | 
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| 108 |  | 
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| 109 | procedure TfrmOMNavA.ClearMenuGrid; | 
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| 110 | var | 
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| 111 | ACol, ARow: Integer; | 
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| 112 | begin | 
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| 113 | with grdMenu do | 
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| 114 | begin | 
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| 115 | for ACol := 0 to ColCount - 1 do for ARow := 0 to RowCount - 1 do | 
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| 116 | begin | 
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| 117 | Objects[ACol, ARow] := nil; | 
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| 118 | Cells[ACol, ARow] := ''; | 
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| 119 | end; | 
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| 120 | RowCount := 1; | 
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| 121 | ColCount := 1; | 
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| 122 | Cells[0, 0] := ''; | 
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| 123 | end; | 
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| 124 | end; | 
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| 125 |  | 
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| 126 | function TfrmOMNavA.FindOrderMenu(AMenu: Integer): TOrderMenu; | 
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| 127 | { searchs the menu cache (FMenuHits) for a menu.  If not there, load the menu from the server. } | 
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| 128 | var | 
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| 129 | i: Integer; | 
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| 130 | AnOrderMenu: TOrderMenu; | 
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| 131 | begin | 
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| 132 | i := 0; | 
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| 133 | Result := nil; | 
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| 134 | while (i < FMenuHits.Count) and (Result = nil) do          // search the menu cache | 
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| 135 | begin | 
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| 136 | AnOrderMenu := TOrderMenu(FMenuHits.Items[i]); | 
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| 137 | if AnOrderMenu.IEN = AMenu then Result := AnOrderMenu; | 
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| 138 | Inc(i); | 
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| 139 | end; | 
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| 140 | if Result = nil then                                       // load new menu from server | 
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| 141 | begin | 
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| 142 | AnOrderMenu := TOrderMenu.Create; | 
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| 143 | AnOrderMenu.IEN := AMenu; | 
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| 144 | AnOrderMenu.MenuItems := TList.Create; | 
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| 145 | LoadOrderMenu(AnOrderMenu, AMenu); | 
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| 146 | FMenuHits.Add(AnOrderMenu); | 
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| 147 | Result := AnOrderMenu; | 
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| 148 | end; | 
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| 149 | end; | 
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| 150 |  | 
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| 151 | procedure TfrmOMNavA.PlaceMenuItems; | 
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| 152 | { places the menu items in the proper grid cells } | 
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| 153 | var | 
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| 154 | i: Integer; | 
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| 155 | OrderMenu: TOrderMenu; | 
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| 156 | OrderMenuItem: TOrderMenuItem; | 
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| 157 | begin | 
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| 158 | ClearMenuGrid; | 
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| 159 | OrderMenu := FindOrderMenu(FOrderingMenu); | 
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| 160 | if OrderMenu = nil then Exit; | 
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| 161 | pnlTool.Caption  := OrderMenu.Title; | 
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| 162 | grdMenu.ColCount := OrderMenu.NumCols; | 
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| 163 | FKeyVars         := OrderMenu.KeyVars; | 
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| 164 | grdMenu.DefaultColWidth := (grdMenu.ClientWidth div grdMenu.ColCount) - 1; | 
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| 165 | with OrderMenu.MenuItems do for i := 0 to Count - 1 do | 
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| 166 | begin | 
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| 167 | OrderMenuItem := TOrderMenuItem(Items[i]); | 
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| 168 | with grdMenu do | 
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| 169 | begin | 
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| 170 | if OrderMenuItem.Row >= RowCount then RowCount := OrderMenuItem.Row + 1; | 
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| 171 | if (OrderMenuItem.Col > -1) and (OrderMenuItem.Row > -1) then | 
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| 172 | begin | 
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| 173 | Cells[OrderMenuItem.Col, OrderMenuItem.Row] := OrderMenuItem.ItemText; | 
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| 174 | Objects[OrderMenuItem.Col, OrderMenuItem.Row] := OrderMenuItem; | 
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| 175 | end; {if OrderMenuItem} | 
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| 176 | end; {with grdMenu} | 
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| 177 | end; {for i} | 
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| 178 | with grdMenu do if VisibleRowCount < RowCount then | 
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| 179 | ColWidths[ColCount - 1] := DefaultColWidth - GetSystemMetrics(SM_CXVSCROLL); | 
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| 180 | end; | 
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| 181 |  | 
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| 182 | procedure TfrmOMNavA.SetNewMenu(MenuIEN: Integer; AnOwner: TComponent; ARefNum: Integer); | 
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| 183 | { Creates a new 'starting' menu.  For initial menu or menu from inside order set. } | 
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| 184 | var | 
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| 185 | NewMenuPath: TMenuPath; | 
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| 186 | begin | 
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| 187 | NewMenuPath := TMenuPath.Create; | 
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| 188 | SetLength(NewMenuPath.IENList, 1); | 
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| 189 | NewMenuPath.IENList[0] := MenuIEN; | 
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| 190 | NewMenuPath.OwnedBy := AnOwner; | 
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| 191 | NewMenuPath.RefNum  := ARefNum; | 
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| 192 | NewMenuPath.Current := 0; | 
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| 193 | FStack.Add(NewMenuPath); | 
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| 194 | FOrderingMenu := MenuIEN;  // sets new starting point here | 
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| 195 | SetNavButtons; | 
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| 196 | PlaceMenuItems;            // displays menu, with nav & done buttons set | 
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| 197 | PushKeyVars(FKeyVars); | 
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| 198 | Self.Enabled := True; | 
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| 199 | end; | 
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| 200 |  | 
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| 201 | { menu navigation } | 
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| 202 |  | 
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| 203 | procedure TfrmOMNavA.SetNavButtons; | 
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| 204 | var | 
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| 205 | MenuPath: TMenuPath; | 
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| 206 | begin | 
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| 207 | with FStack do MenuPath := TMenuPath(Items[Count - 1]); | 
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| 208 | cmdPrev.Enabled := MenuPath.Current > 0; | 
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| 209 | cmdNext.Enabled := MenuPath.Current < High(MenuPath.IENList); | 
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| 210 | if FStack.Count > 1 then cmdDone.Caption := 'Next' else cmdDone.Caption := 'Done'; | 
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| 211 | pnlTool.Invalidate; | 
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| 212 | end; | 
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| 213 |  | 
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| 214 | procedure TfrmOMNavA.cmdPrevClick(Sender: TObject); | 
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| 215 | var | 
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| 216 | MenuPath: TMenuPath; | 
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| 217 | begin | 
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| 218 | with FStack do MenuPath := TMenuPath(Items[Count - 1]); | 
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| 219 | Dec(MenuPath.Current); | 
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| 220 | FOrderingMenu := MenuPath.IENList[MenuPath.Current]; | 
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| 221 | SetNavButtons; | 
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| 222 | PlaceMenuItems; | 
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| 223 | PopKeyVars; | 
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| 224 | end; | 
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| 225 |  | 
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| 226 | procedure TfrmOMNavA.cmdNextClick(Sender: TObject); | 
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| 227 | var | 
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| 228 | MenuPath: TMenuPath; | 
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| 229 | begin | 
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| 230 | with FStack do MenuPath := TMenuPath(Items[Count - 1]); | 
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| 231 | Inc(MenuPath.Current); | 
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| 232 | FOrderingMenu := MenuPath.IENList[MenuPath.Current]; | 
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| 233 | SetNavButtons; | 
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| 234 | PlaceMenuItems; | 
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| 235 | PushKeyVars(FKeyVars); | 
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| 236 | end; | 
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| 237 |  | 
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| 238 | procedure TfrmOMNavA.cmdDoneClick(Sender: TObject); | 
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| 239 | var | 
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| 240 | MenuPath: TMenuPath; | 
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| 241 | begin | 
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| 242 | if FSelecting then Exit; | 
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| 243 | with FStack do MenuPath := TMenuPath(Items[Count - 1]); | 
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| 244 | with FStack do Delete(Count - 1); | 
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| 245 | if FStack.Count = 0 then Close; | 
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| 246 | with MenuPath do if (OwnedBy <> nil) and (OwnedBy is TWinControl) | 
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| 247 | then SendMessage(TWinControl(OwnedBy).Handle, UM_DESTROY, RefNum, 0); | 
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| 248 | PopKeyVars(MenuPath.Current + 1); | 
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| 249 | MenuPath.Free; | 
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| 250 | if FStack.Count > 0 then | 
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| 251 | begin | 
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| 252 | with FStack do MenuPath := TMenuPath(Items[Count - 1]); | 
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| 253 | FOrderingMenu := MenuPath.IENList[MenuPath.Current]; | 
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| 254 | SetNavButtons; | 
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| 255 | PlaceMenuItems; | 
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| 256 | end; | 
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| 257 | end; | 
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| 258 |  | 
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| 259 | { Form methods } | 
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| 260 |  | 
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| 261 | procedure TfrmOMNavA.FormCreate(Sender: TObject); | 
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| 262 | begin | 
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| 263 | FLastCol := -1; | 
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| 264 | FLastRow := -1; | 
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| 265 | FMenuStyle := OrderMenuStyle; | 
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| 266 | FMenuHits := TList.Create; | 
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| 267 | FStack := TList.Create; | 
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| 268 | FSelectList := TList.Create; | 
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| 269 | FQuickBitmap := TBitmap.Create; | 
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| 270 | FQuickBitmap.LoadFromResourceName(hInstance, 'BMP_QO_THIN'); | 
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| 271 | NoFresh := True; | 
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| 272 | ResizeFont; | 
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| 273 | TAccessibleStringGrid.WrapControl(grdMenu); | 
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| 274 | end; | 
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| 275 |  | 
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| 276 | procedure TfrmOMNavA.CreateParams(var Params: TCreateParams); | 
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| 277 | begin | 
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| 278 | inherited CreateParams(Params); | 
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| 279 | with Params do Style := (Style or WS_POPUP) and (not WS_DLGFRAME); | 
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| 280 | //with Params do Style := WS_THICKFRAME or WS_POPUP or WS_BORDER; | 
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| 281 | end; | 
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| 282 |  | 
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| 283 | procedure TfrmOMNavA.UMDestroy(var Message: TMessage); | 
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| 284 | { sent by ordering dialog when it is closing } | 
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| 285 | begin | 
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| 286 | Self.Enabled := True; | 
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| 287 | Self.SetFocus; | 
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| 288 | end; | 
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| 289 |  | 
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| 290 | procedure TfrmOMNavA.FormDestroy(Sender: TObject); | 
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| 291 | var | 
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| 292 | i, j: Integer; | 
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| 293 | OrderMenu: TOrderMenu; | 
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| 294 | OrderMenuItem: TOrderMenuItem; | 
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| 295 | begin | 
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| 296 | TAccessibleStringGrid.UnwrapControl(grdMenu); | 
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| 297 | ClearMenuGrid; | 
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| 298 | for i := 0 to FMenuHits.Count - 1 do | 
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| 299 | begin | 
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| 300 | OrderMenu := TOrderMenu(FMenuHits.Items[i]); | 
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| 301 | for j := 0 to OrderMenu.MenuItems.Count - 1 do | 
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| 302 | begin | 
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| 303 | OrderMenuItem := TOrderMenuItem(OrderMenu.MenuItems.Items[j]); | 
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| 304 | OrderMenuItem.Free; | 
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| 305 | end; | 
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| 306 | OrderMenu.MenuItems.Clear; | 
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| 307 | OrderMenu.MenuItems.Free; | 
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| 308 | OrderMenu.Free; | 
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| 309 | end; | 
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| 310 | FMenuHits.Free; | 
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| 311 | Assert(FStack.Count = 0); | 
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| 312 | FStack.Free; | 
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| 313 | Assert(FSelectList.Count = 0); | 
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| 314 | FSelectList.Free; | 
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| 315 | FQuickBitmap.Free; | 
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| 316 | DestroyingOrderMenu; | 
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| 317 | if (frmOrders.TheCurrentView<>nil) and (frmOrders.TheCurrentView.EventDelay.PtEventIFN>0) | 
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| 318 | and (IsCompletedPtEvt(frmOrders.TheCurrentView.EventDelay.PtEventIFN)) then | 
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| 319 | SendMessage(frmOrders.handle,UM_EVENTOCCUR,0,0); | 
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| 320 | end; | 
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| 321 |  | 
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| 322 | procedure TfrmOMNavA.FormActivate(Sender: TObject); | 
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| 323 | begin | 
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| 324 | // do we need to bring something to front here? | 
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| 325 | end; | 
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| 326 |  | 
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| 327 | procedure TfrmOMNavA.FormClose(Sender: TObject; var Action: TCloseAction); | 
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| 328 | var | 
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| 329 | MenuPath: TMenuPath; | 
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| 330 | begin | 
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| 331 | while FStack.Count > 0 do | 
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| 332 | begin | 
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| 333 | with FStack do MenuPath := TMenuPath(Items[Count - 1]); | 
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| 334 | with MenuPath do if (OwnedBy <> nil) and (OwnedBy is TWinControl) | 
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| 335 | then SendMessage(TWinControl(OwnedBy).Handle, UM_DESTROY, RefNum, 0); | 
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| 336 | PopKeyVars(MenuPath.Current + 1); | 
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| 337 | MenuPath.Free; | 
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| 338 | with FStack do Delete(Count - 1); | 
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| 339 | end; | 
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| 340 | SaveUserBounds(Self); | 
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| 341 | NoFresh := False; | 
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| 342 | Action := caFree; | 
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| 343 | end; | 
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| 344 |  | 
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| 345 | procedure TfrmOMNavA.SetEventDelay(AnEvent: TOrderDelayEvent); | 
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| 346 | begin | 
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| 347 | FDelayEvent := AnEvent; | 
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| 348 | end; | 
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| 349 |  | 
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| 350 | procedure TfrmOMNavA.grdMenuDrawCell(Sender: TObject; ACol, ARow: Integer; Rect: TRect; | 
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| 351 | State: TGridDrawState); | 
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| 352 | { Draws each cell in the grid based on characteristics in associated OrderMenuItem object. } | 
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| 353 | const | 
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| 354 | QO_BMP_WIDTH = 15; | 
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| 355 | var | 
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| 356 | OrderMenuItem: TOrderMenuItem; | 
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| 357 | AMnemonic: string; | 
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| 358 | MneRect, ItmRect: TRect; | 
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| 359 | MneWidth: integer; | 
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| 360 | begin | 
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| 361 | //if Sender = ActiveControl then Exit; | 
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| 362 | //if not (gdSelected in State) then Exit; | 
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| 363 | with Sender as TStringGrid do with Canvas do | 
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| 364 | begin | 
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| 365 | MneWidth := TextWidthByFont(Handle, 'MMM'); | 
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| 366 | OrderMenuItem := TOrderMenuItem(grdMenu.Objects[ACol, ARow]); | 
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| 367 | if (OrderMenuItem <> nil) then with OrderMenuItem do | 
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| 368 | begin | 
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| 369 | Font.Style := []; | 
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| 370 | Font.Color := clWindowText; | 
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| 371 | if Selected    then | 
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| 372 | begin | 
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| 373 | if ColorToRGB(clWindowText) = ColorToRGB(clBlack) then | 
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| 374 | Font.Color := clBlue; | 
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| 375 | Font.Style := Font.Style + [fsUnderline]; | 
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| 376 | end; | 
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| 377 | if Display = 2 then | 
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| 378 | Font.Style := Font.Style + [fsBold]; | 
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| 379 | end; | 
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| 380 | Brush.Color := Color; | 
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| 381 | if (FMenuStyle = 0) and | 
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| 382 | ((OrderMenuItem = nil) or ((OrderMenuItem <> nil) and (OrderMenuItem.Display <> 2))) then | 
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| 383 | begin | 
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| 384 | if OrderMenuItem <> nil then AMnemonic := OrderMenuItem.Mnemonic else AMnemonic := ''; | 
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| 385 | FillRect(Rect); | 
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| 386 | MneRect.Left := Rect.Left + QO_BMP_WIDTH; | 
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| 387 | MneRect.Right := MneRect.Left + MneWidth; | 
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| 388 | MneRect.Top := Rect.Top + 2; | 
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| 389 | MneRect.Bottom := Rect.Bottom; | 
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| 390 | ItmRect.Left := Rect.Left + QO_BMP_WIDTH + MneWidth + 1; | 
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| 391 | ItmRect.Right := Rect.Right; | 
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| 392 | ItmRect.Top := Rect.Top + 2; | 
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| 393 | ItmRect.Bottom := Rect.Bottom; | 
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| 394 | TextRect(MneRect, MneRect.Left, MneRect.Top, AMnemonic); | 
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| 395 | TextRect(ItmRect, ItmRect.Left, ItmRect.Top, Cells[ACol, ARow]); | 
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| 396 | end | 
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| 397 | else TextRect(Rect, Rect.Left + QO_BMP_WIDTH, Rect.Top + 2, Cells[ACol, ARow]); | 
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| 398 | if (OrderMenuItem <> nil) and OrderMenuItem.AutoAck | 
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| 399 | then Draw(Rect.Left + 2, Rect.Top + 2, FQuickBitmap);     { draw bitmap } | 
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| 400 | if gdSelected in State then | 
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| 401 | begin | 
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| 402 | Pen.Width := 1; | 
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| 403 | if FMouseDown then Pen.Color := clBtnShadow    else Pen.Color := clBtnHighlight; | 
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| 404 | MoveTo(Rect.Left,  Rect.Bottom - 1); | 
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| 405 | LineTo(Rect.Left,  Rect.Top); | 
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| 406 | LineTo(Rect.Right, Rect.Top); | 
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| 407 | if FMouseDown then Pen.Color := clBtnHighlight else Pen.Color := clBtnShadow; | 
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| 408 | LineTo(Rect.Right, Rect.Bottom); | 
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| 409 | LineTo(Rect.Left,  Rect.Bottom); | 
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| 410 | end; | 
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| 411 | end; | 
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| 412 | end; | 
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| 413 |  | 
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| 414 | { Mouse & Keyboard Handling } | 
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| 415 |  | 
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| 416 | procedure TfrmOMNavA.AddToSelectList(AnItem: TOrderMenuItem); | 
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| 417 | begin | 
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| 418 | if AnItem = nil then Exit; | 
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| 419 | FSelectList.Add(AnItem); | 
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| 420 | FSelecting := True; | 
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| 421 | cmdDone.Enabled := False; | 
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| 422 | end; | 
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| 423 |  | 
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| 424 | procedure TfrmOMNavA.DoSelectList; | 
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| 425 | var | 
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| 426 | i: Integer; | 
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| 427 | x: string; | 
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| 428 | ItemList: TStringList; | 
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| 429 | AMenuItem: TOrderMenuItem; | 
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| 430 | begin | 
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| 431 | FSelecting := False; | 
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| 432 | cmdDone.Enabled := True; | 
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| 433 | if FSelectList.Count = 0 then Exit; | 
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| 434 | ItemList := TStringList.Create; | 
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| 435 | try | 
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| 436 | for i := 0 to FSelectList.Count - 1 do | 
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| 437 | begin | 
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| 438 | AMenuItem := TOrderMenuItem(FSelectList[i]); | 
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| 439 | if AMenuItem <> nil then | 
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| 440 | begin | 
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| 441 | x := IntToStr(AMenuItem.IEN) + U + AMenuItem.DlgType + U + AMenuItem.ItemText; | 
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| 442 | ItemList.Add(x); | 
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| 443 | end; | 
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| 444 | end; | 
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| 445 | if ItemList.Count > 0 then ActivateOrderList(ItemList, FDelayEvent, Self, 0, '', ''); | 
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| 446 | finally | 
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| 447 | FSelectList.Clear; | 
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| 448 | ItemList.Free; | 
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| 449 | end; | 
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| 450 | end; | 
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| 451 |  | 
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| 452 | procedure TfrmOMNavA.grdMenuKeyDown(Sender: TObject; var Key: Word; | 
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| 453 | Shift: TShiftState); | 
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| 454 | begin | 
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| 455 | //frmFrame.UpdatePtInfoOnRefresh; | 
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| 456 | if Key in [VK_RETURN, VK_SPACE] then with grdMenu do | 
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| 457 | begin | 
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| 458 | if frmOrders <> nil then | 
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| 459 | begin | 
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| 460 | if (frmOrders.TheCurrentView<>nil) and (frmOrders.TheCurrentView.EventDelay.PtEventIFN>0) | 
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| 461 | and IsCompletedPtEvt(frmOrders.TheCurrentView.EventDelay.PtEventIFN) then | 
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| 462 | begin | 
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| 463 | FDelayEvent.EventType := #0; | 
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| 464 | FDelayEvent.EventIFN  := 0; | 
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| 465 | FDelayEvent.TheParent := TParentEvent.Create; | 
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| 466 | FDelayEvent.EventName := ''; | 
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| 467 | FDelayEvent.PtEventIFN := 0; | 
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| 468 | end; | 
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| 469 | end; | 
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| 470 | //frmFrame.UpdatePtInfoOnRefresh; | 
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| 471 | FOrderMenuItem := TOrderMenuItem(Objects[Col, Row]); | 
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| 472 | if FOrderMenuItem.Display > 0 then FOrderMenuItem := nil;          // display only | 
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| 473 | if FOrderMenuItem <> nil then | 
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| 474 | begin | 
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| 475 | FOrderMenuItem.Selected := True; | 
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| 476 | if ssCtrl in Shift | 
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| 477 | then AddToSelectList(FOrderMenuItem) | 
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| 478 | else ActivateDialog(FOrderMenuItem); | 
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| 479 | FOrderMenuItem := nil; | 
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| 480 | Key := 0; | 
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| 481 | end; | 
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| 482 | if frmOrders <> nil then | 
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| 483 | begin | 
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| 484 | if (frmOrders.TheCurrentView<>nil) and (frmOrders.TheCurrentView.EventDelay.PtEventIFN>0) | 
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| 485 | and IsCompletedPtEvt(frmOrders.TheCurrentView.EventDelay.PtEventIFN) then | 
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| 486 | begin | 
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| 487 | FDelayEvent.EventType := #0; | 
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| 488 | FDelayEvent.EventIFN  := 0; | 
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| 489 | FDelayEvent.TheParent := TParentEvent.Create; | 
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| 490 | FDelayEvent.EventName := ''; | 
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| 491 | FDelayEvent.PtEventIFN := 0; | 
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| 492 | end; | 
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| 493 | end; | 
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| 494 | end; | 
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| 495 | if Key = VK_BACK then | 
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| 496 | begin | 
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| 497 | cmdPrevClick(Self); | 
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| 498 | Key := 0; | 
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| 499 | end; | 
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| 500 | if Key = VK_ESCAPE then | 
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| 501 | begin | 
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| 502 | cmdDoneClick(Self); | 
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| 503 | Key := 0; | 
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| 504 | end; | 
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| 505 | end; | 
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| 506 |  | 
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| 507 | procedure TfrmOMNavA.grdMenuKeyUp(Sender: TObject; var Key: Word; | 
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| 508 | Shift: TShiftState); | 
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| 509 | begin | 
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| 510 | if Key = VK_CONTROL then | 
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| 511 | begin | 
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| 512 | if FMouseDown then FCtrlUp := True else DoSelectList; | 
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| 513 | end; | 
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| 514 | end; | 
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| 515 |  | 
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| 516 | procedure TfrmOMNavA.grdMenuMouseDown(Sender: TObject; | 
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| 517 | Button: TMouseButton; Shift: TShiftState; X, Y: Integer); | 
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| 518 | var | 
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| 519 | ACol, ARow: Integer; | 
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| 520 | begin | 
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| 521 | //frmFrame.UpdatePtInfoOnRefresh; | 
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| 522 | if ssDouble in Shift then | 
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| 523 | begin | 
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| 524 | FTheShift := [ssDouble]; | 
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| 525 | Exit;  // ignore a double click | 
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| 526 | end; | 
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| 527 | if frmOrders <> nil then | 
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| 528 | begin | 
|---|
| 529 | if (frmOrders.TheCurrentView<>nil) and (frmOrders.TheCurrentView.EventDelay.PtEventIFN>0) | 
|---|
| 530 | and IsCompletedPtEvt(frmOrders.TheCurrentView.EventDelay.PtEventIFN) then | 
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| 531 | begin | 
|---|
| 532 | FDelayEvent.EventType := #0; | 
|---|
| 533 | FDelayEvent.EventIFN  := 0; | 
|---|
| 534 | FDelayEvent.TheParent := TParentEvent.Create; | 
|---|
| 535 | FDelayEvent.EventName := ''; | 
|---|
| 536 | FDelayEvent.PtEventIFN := 0; | 
|---|
| 537 | end; | 
|---|
| 538 | end; | 
|---|
| 539 | //frmFrame.UpdatePtInfoOnRefresh; | 
|---|
| 540 | with grdMenu do | 
|---|
| 541 | begin | 
|---|
| 542 | MouseToCell(X, Y, ACol, ARow); | 
|---|
| 543 | if (ACol > -1) and (ARow > -1) and (ACol < grdMenu.ColCount) and (ARow < grdMenu.RowCount) then | 
|---|
| 544 | begin | 
|---|
| 545 | FMouseDown := True; | 
|---|
| 546 | FOrderMenuItem := TOrderMenuItem(Objects[ACol, ARow]); | 
|---|
| 547 | // check to see if this is a display only field | 
|---|
| 548 | if (FOrderMenuItem <> nil) and (FOrderMenuItem.Display > 0) then FOrderMenuItem := nil; | 
|---|
| 549 | if  FOrderMenuItem <> nil then FOrderMenuItem.Selected := True; | 
|---|
| 550 | end; | 
|---|
| 551 | end; | 
|---|
| 552 | end; | 
|---|
| 553 |  | 
|---|
| 554 | procedure TfrmOMNavA.grdMenuMouseMove(Sender: TObject; Shift: TShiftState; | 
|---|
| 555 | X, Y: Integer); | 
|---|
| 556 | var | 
|---|
| 557 | ACol, ARow: Integer; | 
|---|
| 558 | begin | 
|---|
| 559 | grdMenu.MouseToCell(X, Y, ACol, ARow); | 
|---|
| 560 | if (ACol = FLastCol) and (ARow = FLastRow) then Exit; | 
|---|
| 561 | if (ACol > -1) and (ARow > -1) and (ACol < grdMenu.ColCount) and (ARow < grdMenu.RowCount) then | 
|---|
| 562 | begin | 
|---|
| 563 | FLastCol := ACol; | 
|---|
| 564 | FLastRow := ARow; | 
|---|
| 565 | grdMenu.Col := ACol; | 
|---|
| 566 | grdMenu.Row := ARow; | 
|---|
| 567 | end; | 
|---|
| 568 | end; | 
|---|
| 569 |  | 
|---|
| 570 | procedure TfrmOMNavA.grdMenuMouseUp(Sender: TObject; Button: TMouseButton; | 
|---|
| 571 | Shift: TShiftState; X, Y: Integer); | 
|---|
| 572 | begin | 
|---|
| 573 | if ssDouble in Shift then Exit;  // ignore a double click | 
|---|
| 574 | if ssDouble in FTheShift then | 
|---|
| 575 | begin | 
|---|
| 576 | FTheShift := []; | 
|---|
| 577 | Exit; | 
|---|
| 578 | end; | 
|---|
| 579 |  | 
|---|
| 580 | FMouseDown := False; | 
|---|
| 581 | //grdMenu.Invalidate; | 
|---|
| 582 | // may want to check here to see if mouse still over the same item | 
|---|
| 583 | if ssCtrl in Shift then AddToSelectList(FOrderMenuItem) else | 
|---|
| 584 | begin | 
|---|
| 585 | if FCtrlUp then | 
|---|
| 586 | begin | 
|---|
| 587 | FCtrlUp := False; | 
|---|
| 588 | AddToSelectList(FOrderMenuItem); | 
|---|
| 589 | DoSelectList; | 
|---|
| 590 | end | 
|---|
| 591 | else ActivateDialog(FOrderMenuItem); | 
|---|
| 592 | end; | 
|---|
| 593 | FCtrlUp := False; | 
|---|
| 594 | FOrderMenuItem := nil; | 
|---|
| 595 | if frmOrders <> nil then | 
|---|
| 596 | begin | 
|---|
| 597 | if (frmOrders.TheCurrentView<>nil) and (frmOrders.TheCurrentView.EventDelay.PtEventIFN>0) | 
|---|
| 598 | and IsCompletedPtEvt(frmOrders.TheCurrentView.EventDelay.PtEventIFN) then | 
|---|
| 599 | begin | 
|---|
| 600 | FDelayEvent.EventType := #0; | 
|---|
| 601 | FDelayEvent.EventIFN  := 0; | 
|---|
| 602 | FDelayEvent.TheParent := TParentEvent.Create; | 
|---|
| 603 | FDelayEvent.EventName := ''; | 
|---|
| 604 | FDelayEvent.PtEventIFN := 0; | 
|---|
| 605 | end; | 
|---|
| 606 | end; | 
|---|
| 607 | end; | 
|---|
| 608 |  | 
|---|
| 609 | procedure TfrmOMNavA.CMMouseLeave(var Message: TMessage); | 
|---|
| 610 | begin | 
|---|
| 611 | inherited; | 
|---|
| 612 | FLastCol := -1; | 
|---|
| 613 | FLastRow := -1; | 
|---|
| 614 | end; | 
|---|
| 615 |  | 
|---|
| 616 | function TfrmOMNavA.DialogNotDisabled(DlgIEN: Integer): Boolean; | 
|---|
| 617 | var | 
|---|
| 618 | x: string; | 
|---|
| 619 | begin | 
|---|
| 620 | Result := True; | 
|---|
| 621 | x := OrderDisabledMessage(DlgIEN); | 
|---|
| 622 | if Length(x) > 0 then | 
|---|
| 623 | begin | 
|---|
| 624 | Result := False; | 
|---|
| 625 | InfoBox(x, TC_DISABLED, MB_OK); | 
|---|
| 626 | end; | 
|---|
| 627 | end; | 
|---|
| 628 |  | 
|---|
| 629 | procedure TfrmOMNavA.ActivateDialog(AnItem: TOrderMenuItem); | 
|---|
| 630 | var | 
|---|
| 631 | MenuPath: TMenuPath; | 
|---|
| 632 | begin | 
|---|
| 633 | if AnItem = nil then Exit; | 
|---|
| 634 | case AnItem.DlgType of | 
|---|
| 635 | #0:  { ignore if no type, i.e., display header or blank }; | 
|---|
| 636 | 'A': ActivateAction(IntToStr(AnItem.IEN) + ';' + IntToStr(AnItem.FormID), Self, 0); | 
|---|
| 637 | 'D': ActivateOrderDialog(IntToStr(AnItem.IEN), FDelayEvent, Self, 0); | 
|---|
| 638 | 'M': begin | 
|---|
| 639 | // this simply moves to new menu, rather than open a new form as in ActivateOrderMenu | 
|---|
| 640 | if DialogNotDisabled(AnItem.IEN) then | 
|---|
| 641 | begin | 
|---|
| 642 | with FStack do MenuPath := TMenuPath(Items[Count - 1]); | 
|---|
| 643 | with MenuPath do | 
|---|
| 644 | begin | 
|---|
| 645 | Inc(Current); | 
|---|
| 646 | if Current > High(IENList) then SetLength(IENList, Current + 1); | 
|---|
| 647 | if Current <> AnItem.IEN then | 
|---|
| 648 | begin | 
|---|
| 649 | IENList := Copy(IENList, 0, Current + 1); | 
|---|
| 650 | IENList[Current] := AnItem.IEN; | 
|---|
| 651 | end; | 
|---|
| 652 | FOrderingMenu := AnItem.IEN; | 
|---|
| 653 | SetNavButtons; | 
|---|
| 654 | PlaceMenuItems; | 
|---|
| 655 | PushKeyVars(FKeyVars); | 
|---|
| 656 | with grdMenu do | 
|---|
| 657 | GoodNotifyWinEvent(EVENT_OBJECT_FOCUS, Handle, integer(OBJID_CLIENT), ColRowToIndex(Col,Row)); | 
|---|
| 658 | end; {with MenuPath} | 
|---|
| 659 | end; {if} | 
|---|
| 660 | end; {'M'} | 
|---|
| 661 | 'Q': ActivateOrderDialog(IntToStr(AnItem.IEN), FDelayEvent, Self, 0); | 
|---|
| 662 | 'P': ShowMessage('Order Dialogs of type "Prompt" cannot be processed.'); | 
|---|
| 663 | 'O': begin | 
|---|
| 664 | // disable initially, since the 1st item in the set may be a menu | 
|---|
| 665 | Self.Enabled := False; | 
|---|
| 666 | if not ActivateOrderSet(IntToStr(AnItem.IEN), FDelayEvent, Self, 0) | 
|---|
| 667 | then Self.Enabled := True; | 
|---|
| 668 | end; | 
|---|
| 669 | else ShowMessage('Unknown Order Dialog type: ' + AnItem.DlgType); | 
|---|
| 670 | end; {case} | 
|---|
| 671 | end; | 
|---|
| 672 |  | 
|---|
| 673 | { imitate caption bar using panel at top of form } | 
|---|
| 674 |  | 
|---|
| 675 | procedure TfrmOMNavA.pnlToolMouseDown(Sender: TObject; | 
|---|
| 676 | Button: TMouseButton; Shift: TShiftState; X, Y: Integer); | 
|---|
| 677 | begin | 
|---|
| 678 | if Button <> mbLeft then Exit; | 
|---|
| 679 | FStartPoint := TControl(Sender).ClientToScreen(Point(X, Y)); | 
|---|
| 680 | FOrigPoint  := Point(Left, Top); | 
|---|
| 681 | FFormMove   := True; | 
|---|
| 682 | end; | 
|---|
| 683 |  | 
|---|
| 684 | procedure TfrmOMNavA.pnlToolMouseMove(Sender: TObject; Shift: TShiftState; | 
|---|
| 685 | X, Y: Integer); | 
|---|
| 686 | var | 
|---|
| 687 | NewPoint: TPoint; | 
|---|
| 688 | begin | 
|---|
| 689 | if FFormMove then | 
|---|
| 690 | begin | 
|---|
| 691 | NewPoint := TControl(Sender).ClientToScreen(Point(X, Y)); | 
|---|
| 692 | SetBounds(FOrigPoint.X - (FStartPoint.X - NewPoint.X), | 
|---|
| 693 | FOrigPoint.Y - (FStartPoint.Y - NewPoint.Y), Width, Height); | 
|---|
| 694 | end; | 
|---|
| 695 | end; | 
|---|
| 696 |  | 
|---|
| 697 | procedure TfrmOMNavA.pnlToolMouseUp(Sender: TObject; Button: TMouseButton; | 
|---|
| 698 | Shift: TShiftState; X, Y: Integer); | 
|---|
| 699 | begin | 
|---|
| 700 | FFormMove := False; | 
|---|
| 701 | end; | 
|---|
| 702 |  | 
|---|
| 703 | procedure TfrmOMNavA.FormResize(Sender: TObject); | 
|---|
| 704 | begin | 
|---|
| 705 | grdMenu.DefaultColWidth := (grdMenu.ClientWidth div grdMenu.ColCount) - 1; | 
|---|
| 706 | grdMenu.Refresh; | 
|---|
| 707 | end; | 
|---|
| 708 |  | 
|---|
| 709 | procedure TfrmOMNavA.ResizeFont; | 
|---|
| 710 | begin | 
|---|
| 711 | ResizeAnchoredFormToFont(Self); | 
|---|
| 712 | grdMenu.Canvas.Font := grdMenu.Font; | 
|---|
| 713 | end; | 
|---|
| 714 |  | 
|---|
| 715 | end. | 
|---|