143 lines
3.5 KiB
Plaintext
143 lines
3.5 KiB
Plaintext
unit fPtSelMsg;
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interface
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uses
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Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
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ExtCtrls, StdCtrls, ComCtrls, fBase508Form, VA508AccessibilityManager;
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type
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TfrmPtSelMsg = class(TfrmBase508Form)
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cmdClose: TButton;
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timClose: TTimer;
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memMessages: TRichEdit;
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procedure FormClose(Sender: TObject; var Action: TCloseAction);
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procedure cmdCloseClick(Sender: TObject);
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procedure timCloseTimer(Sender: TObject);
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procedure FormCreate(Sender: TObject);
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procedure FormDestroy(Sender: TObject);
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private
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FSeconds: Integer;
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FChanging: boolean;
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FEventsActive: boolean;
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FOldActiveFormChanged: TNotifyEvent;
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FOldTabChanged: TNotifyEvent;
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procedure ClearEvents;
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procedure TabChanged(Sender: TObject);
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procedure ActiveFormChanged(Sender: TObject);
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public
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{ Public declarations }
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end;
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procedure ShowPatientSelectMessages(const AMsg: string);
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procedure HidePatientSelectMessages;
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implementation
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{$R *.DFM}
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uses ORFn, uCore, fFrame;
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var
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frmPtSelMsg: TfrmPtSelMsg = nil;
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procedure ShowPatientSelectMessages(const AMsg: string);
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begin
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if assigned(frmPtSelMsg) then
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begin
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frmPtSelMsg.Free;
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frmPtSelMsg := nil;
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end;
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if Length(AMsg) = 0 then Exit;
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frmPtSelMsg := TfrmPtSelMsg.Create(Application);
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ResizeAnchoredFormToFont(frmPtSelMsg);
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frmPtSelMsg.memMessages.Lines.SetText(PChar(AMsg)); // Text := AMsg doesn't seem to work
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frmPtSelMsg.memMessages.SelStart := 0;
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if User.PtMsgHang = 0
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then frmPtSelMsg.timClose.Enabled := False
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else
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begin
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//frmPtSelMsg.timClose.Interval := User.PtMsgHang * 1000;
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frmPtSelMsg.FSeconds := User.PtMsgHang;
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frmPtSelMsg.timClose.Enabled := True;
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end;
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frmPtSelMsg.Show;
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end;
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procedure HidePatientSelectMessages;
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begin
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if assigned(frmPtSelMsg) then
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begin
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frmPtSelMsg.Free;
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frmPtSelMsg := nil;
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end;
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end;
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procedure TfrmPtSelMsg.timCloseTimer(Sender: TObject);
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begin
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Dec(FSeconds);
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if FSeconds > 0
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then Caption := 'Patient Lookup Messages (Auto-Close in ' + IntToStr(FSeconds) + ' seconds)'
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else Close;
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end;
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procedure TfrmPtSelMsg.cmdCloseClick(Sender: TObject);
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begin
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Close;
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end;
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procedure TfrmPtSelMsg.FormClose(Sender: TObject; var Action: TCloseAction);
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begin
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Action := caFree;
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end;
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procedure TfrmPtSelMsg.FormCreate(Sender: TObject);
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begin
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FOldActiveFormChanged := Screen.OnActiveFormChange;
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Screen.OnActiveFormChange := ActiveFormChanged;
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FOldTabChanged := frmFrame.OnTabChanged;
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frmFrame.OnTabChanged := TabChanged;
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FEventsActive := TRUE;
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end;
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procedure TfrmPtSelMsg.FormDestroy(Sender: TObject);
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begin
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ClearEvents;
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frmPtSelMsg := nil;
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end;
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procedure TfrmPtSelMsg.ActiveFormChanged(Sender: TObject);
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begin
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if assigned(FOldActiveFormChanged) then
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FOldActiveFormChanged(Sender);
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if (not FChanging) and (Screen.ActiveForm <> Self) and
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(not (csDestroying in Self.ComponentState)) then
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begin
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FChanging := TRUE;
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try
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SetFocus;
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finally
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FChanging := FALSE;
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end;
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end;
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end;
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procedure TfrmPtSelMsg.ClearEvents;
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begin
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if FEventsActive then
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begin
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Screen.OnActiveFormChange := FOldActiveFormChanged;
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frmFrame.OnTabChanged := FOldTabChanged;
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FEventsActive := FALSE;
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end;
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end;
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procedure TfrmPtSelMsg.TabChanged(Sender: TObject);
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begin
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if assigned(FOldTabChanged) then
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FOldTabChanged(Sender);
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ClearEvents;
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end;
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end.
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