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DDGF3	;SFISC/MKO-Block Viewer Page ;02:49 PM  12 Oct 1994
	;;21.0;VA FileMan;;Dec 28, 1994
	;Per VHA Directive 10-93-142, this routine should not be modified.
	;Variables used:
	;  DDGFBV      = flag indicating we're on block viewer page
	;  DDGFORIG(B) = original $Y^original $X for all blocks that were
	;                  selected, since they were potentially moved
	;  DDGFEBV     = flag that can be set to exit block viewer page
	;                  after a block has been selected
	;
	N DDGFE
	S DDGFE=0,DDGFBV=1 K DDGFORIG,DDGFEBV
	;
	D PAINT,RC(DY,DX)
	F  S Y=$$READ W:$T(@Y)="" $C(7) D:$T(@Y)]"" @Y D:$D(DDGFMSG) MSG^DDGF() Q:DDGFE!$G(DDGFEBV)
	D CLEANUP
	Q
	;
LNU	I DY>$P(DDGFLIM,U) D RC(DY-1,DX)
	Q
LND	I DY<$P(DDGFLIM,U,3) D RC(DY+1,DX)
	Q
CHR	I DX<$P(DDGFLIM,U,4) D RC(DY,DX+1)
	Q
CHL	I DX>$P(DDGFLIM,U,2) D RC(DY,DX-1)
	Q
ELR	N Y,X
	S Y=DY,X=DX
	F  D  Q:Y=""!(X]"")
	. S X=$O(@DDGFREF@("BKRC",DDGFWIDB,Y,X))
	. S:X="" Y=$O(@DDGFREF@("BKRC",DDGFWIDB,Y))
	D:X]"" RC(Y,X)
	Q
ELL	N Y,X
	S Y=DY,X=DX
	F  D  Q:Y=""!(X]"")
	. S X=$O(@DDGFREF@("BKRC",DDGFWIDB,Y,X),-1)
	. S:X="" Y=$O(@DDGFREF@("BKRC",DDGFWIDB,Y),-1)
	D:X]"" RC(Y,X)
	Q
TBR	I DX<$P(DDGFLIM,U,4) D
	. D RC(DY,$S(DX+5'<$P(DDGFLIM,U,4):$P(DDGFLIM,U,4),1:DX+5))
	E  I DY<$P(DDGFLIM,U,3) D RC(DY+1,$P(DDGFLIM,U,2))
	Q
TBL	I DX>$P(DDGFLIM,U,2) D
	. D RC(DY,$S(DX-5'>$P(DDGFLIM,U,2):$P(DDGFLIM,U,2),1:DX-5))
	E  I DY>$P(DDGFLIM,U) D RC(DY-1,$P(DDGFLIM,U,4))
	Q
	;
SCT	I DY>$P(DDGFLIM,U) D RC($P(DDGFLIM,U),DX)
	Q
SCB	I DY<$P(DDGFLIM,U,3) D RC($P(DDGFLIM,U,3),DX)
	Q
SCR	I DX<$P(DDGFLIM,U,4) D RC(DY,$P(DDGFLIM,U,4))
	Q
SCL	I DX>$P(DDGFLIM,U,2) D RC(DY,$P(DDGFLIM,U,2))
	Q
SELECT	;
	Q:'$D(@DDGFREF@("BKRC",DDGFWIDB,DY))
	G SELECT^DDGFBSEL
	;
SAVE	;Save data
	G SAVE^DDGFSV
	;
BKADD	;Add a new block
	G ADD^DDGFBK
	;
HBKADD	;Add a header block
	G ADD^DDGFHBK
	;
HELP	;Invoke help screens
	D ^DDGFH,REFRESH^DDGF,RC(DY,DX)
	Q
	;
TO	W $C(7)
QUIT	;
EXIT	;
VIEW	S DDGFE=1
	Q
CLEANUP	;
	S DDGFDY=DY,DDGFDX=DX
	D CLOSE^DDGLIBW(DDGFWIDB,1)
	I $D(DDGFORIG) D
	. N A
	. S A=$$AREA^DDGLIBW(DDGFWID)
	. D DESTROY^DDGLIBW(DDGFWID,1)
	. D CREATE^DDGLIBW(DDGFWID,A,$P(@DDGFREF@("F",DDGFPG),U,3)]"")
	. D BLK^DDGFUPDB(.DDGFORIG)
	E  D OPEN^DDGLIBW(DDGFWID)
	S DY=IOSL-6,DX=46 X IOXY W $J("",13)
	S DY=IOSL-1,DX=0 X IOXY W $P(DDGLCLR,DDGLDEL)_$P(DDGLVID,DDGLDEL)_"<PF1>Q=Quit  <PF1>E=Exit  <PF1>S=Save  <PF1>V=Block Viewer  <PF1>H=Help"_$P(DDGLVID,DDGLDEL,10)
	D RC(DDGFDY,DDGFDX)
	K DDGFDY,DDGFDX,DDGFBV,DDGFEBV,DDGFORIG
	Q
	;
PAINT	;Paint block displayer window
	N B,C,S,DY,DX
	D CLOSE^DDGLIBW(DDGFWID,1)
	S DY=IOSL-6,DX=46 X IOXY W "BLOCK VIEWER"
	S DY=IOSL-1,DX=0 X IOXY W $P(DDGLCLR,DDGLDEL)_$P(DDGLVID,DDGLDEL)_"<PF1>V=Main Screen  <PF1>H=Help"_$P(DDGLVID,DDGLDEL,10)
	I $$EXIST^DDGLIBW(DDGFWIDB) D FOCUS^DDGLIBW(DDGFWIDB) Q
	D CREATE^DDGLIBW(DDGFWIDB,$P(DDGFLIM,U,1,2)_U_($P(DDGFLIM,U,3)-$P(DDGFLIM,U,1)+1)_U_($P(DDGFLIM,U,4)-$P(DDGFLIM,U,2)+1),$P(@DDGFREF@("F",DDGFPG),U,3)]"")
	S B="" F  S B=$O(@DDGFREF@("F",DDGFPG,B)) Q:B=""  D
	. S C=@DDGFREF@("F",DDGFPG,B)
	. S S=$P(C,U,4)
	. S:$P(C,U,3)'<IOM S=$E(S,1,IOM-$P(C,U,2)-1)
	. D WRITE^DDGLIBW(DDGFWIDB,S,$P(C,U)-$P(DDGFLIM,U),$P(C,U,2)-$P(DDGFLIM,U,2))
	Q
	;
RC(DDGFY,DDGFX)	;Update status line, reset DX and DY, move cursor
	N S
	I DDGFR D
	. S DY=IOSL-6,DX=IOM-9,S="R"_(DDGFY+1)_",C"_(DDGFX+1)
	. X IOXY W S_$J("",7-$L(S))
	S DY=DDGFY,DX=DDGFX X IOXY
	Q
	;
READ()	N S,Y
	F  R *Y:DTIME D C Q:Y'=-1
	Q Y
	;
C	I Y<0 S Y="TO" Q
	S S=""
C1	S S=S_$C(Y)
	I DDGF("IN")'[(U_S) D  I Y=-1 W $C(7) Q
	. I $C(Y)'?1L S Y=-1 Q
	. S S=$E(S,1,$L(S)-1)_$C(Y-32) S:DDGF("IN")'[(U_S_U) Y=-1
	;
	I DDGF("IN")[(U_S_U),S'=$C(27) S Y=$P(DDGF("OUT"),U,$L($P(DDGF("IN"),U_S_U),U)) Q
	R *Y:5 G:Y'=-1 C1 W $C(7)
	Q