VALM40 ;ALB/MJK - Screen Malipulation Utilities (cont.) ;01/31/2001  14:45
 ;;1.0;List Manager;**6**;Aug 13, 1993
FIND ; -- find text in list
 N START,BEG,VALMOUT,VALMHIT,X,Y,DIR,DIRUT
 S DIR(0)="F^2:50",DIR("A")="Search for" S:$D(VALMFIND) DIR("B")=VALMFIND
 S DIR("?")="Enter from two to fifty characters."
 D ^DIR I $D(DIRUT) D FINISH^VALM4 Q
 S VALMFIND=Y,(BEG,START)=VALMBG,FINISH=VALMCNT
 F  D SEARCH(START,FINISH) D  D:VALMHIT SELECT^VALM10(VALMHIT,0) Q:$D(VALMOUT)
 . I 'VALMHIT,BEG=1 D WAIT^VALM1 S VALMOUT="" Q
 . I VALMHIT,BEG=1,VALMHIT=VALMCNT D WAIT^VALM1 S VALMOUT="" Q
 . I 'VALMHIT!(VALMHIT=VALMCNT),BEG'=1 D  Q
 . . I '$$BEG S VALMOUT="" Q
 . . S FINISH=BEG-1,(BEG,START)=1
 . N DIR,X,Y,DIRUT
 . W ! S DIR(0)="Y",DIR("B")="Yes",DIR("A")="Find Next '"_VALMFIND_"'"
 . D ^DIR I 'Y S VALMOUT="" Q
 . S START=VALMHIT+1
 D FINISH^VALM4
 Q
BEG() ; -- ask if ok to start from top
 W !!,"<<< End of list >>>"
 N DIR,X,Y,DIRUT
 S DIR(0)="Y",DIR("A")="Do you want to start at the beginning of the list",DIR("B")="Yes"
 D ^DIR
 Q Y
SEARCH(START,FINISH) ; -- search to end or first hit
 ; input:  START := line to start search on
 ;        FINISH := line to end search on
 N Y,X,L,CNT
 S VALMHIT="",CNT=0
 S VALMBCK="" D:VALMCC RESET^VALM4 W !,"...searching for '"_VALMFIND_"'"
 F I=START:1:FINISH S CNT=CNT+1 W:'(CNT#100) "." I $$UP^XLFSTR(@VALMAR@(I,0))[$$UP^XLFSTR(VALMFIND) S VALMHIT=I Q
 I 'VALMHIT W $C(7),!!,"Text not found." Q
 I VALMCC D
 . I VALMHIT<VALMBG!(VALMHIT>VALMLST) S VALMBG=VALMHIT D LST^VALM4,PAINT^VALM4
 . D UPD(VALMHIT,VALMFIND)
 D PGUPD^VALM4
 I 'VALMCC S VALMBG=VALMHIT D REFRESH^VALM
 Q
UPD(LINE,TEXT) ; -- set/unset video attribute on text
 ;  input:    LINE := number of line
 ;            TEXT := chars to set attribute on
 N LEN,POS,FIRST
 D SELECT^VALM10(.LINE,1)
 I 'VALMCC Q
 S Y=@VALMAR@(LINE,0),LEN=$L(TEXT),POS=0,FIRST=""
 F  S POS=$F($$UP^XLFSTR(Y),$$UP^XLFSTR(TEXT),POS) Q:'POS  D
 . S:'FIRST FIRST=POS-LEN
 . D CNTRL^VALM10(.LINE,POS-LEN,.LEN,.IORVON,IORVOFF_IOINHI)
 I FIRST D
 . I FIRST'>VALM("FIXED") Q
 . I FIRST<VALMLFT D LEFT("^^^="_(VALMLFT-FIRST)) Q
 . I FIRST'>((VALMWD-VALM("FIXED"))+VALMLFT) Q
 . D RIGHT("^^^="_(FIRST-VALMLFT))
 D WRITE^VALM10(.LINE)
 Q
UP ; -- display last screen (UP)
 D START^VALM4
 N Y S Y=VALMBG-1 I Y<1 W $C(7) D FINISH^VALM4 Q
 S VALMBG=Y D LST^VALM4
 I VALMCC S DY=VALM("TM")-1 D SCROLL^VALM4,IOIL^VALM4(0,.DY),WRITE^VALM4(VALMBG,0,1,.DY),PLUS^VALM4,RESET^VALM4
 D PGUPD^VALM4
 D FINISH^VALM4
 Q
DOWN ; -- display next line (DN)
 D START^VALM4
 N Y S Y=VALMLST+1 I Y>VALMCNT W $C(7) D FINISH^VALM4 Q
 S VALMBG=VALMBG+1,VALMLST=Y
 I VALMCC S DY=VALM("BM")-1 D SCROLL^VALM4,IOXY^VALM4(0,.DY),WRITE^VALM4(VALMLST,1,1,.DY),PLUS^VALM4,RESET^VALM4
 D PGUPD^VALM4
 D FINISH^VALM4
 Q
RIGHT(VALMNOD) ; -- move view to right
 D START^VALM4
 N MOVE,RM
 S MOVE=$P($P(VALMNOD,U,4),"=",3),RM=VALM("RM")-VALMWD+VALM("FIXED")
 I VALMLFT=RM W $C(7) D FINISH^VALM4 Q
 I MOVE?1">".E D
 . S VALMLFT=RM
 E  D
 . S MOVE=$S(MOVE:+MOVE,1:VALMWD-VALM("FIXED"))
 . I (VALMLFT+MOVE)>RM S VALMLFT=RM Q
 . S VALMLFT=VALMLFT+MOVE
 I VALMCC S:VALMWD'<$L($G(VALMHDR(VALM("TM")-3))) VALMBCK="P" D REFRESH^VALM
 D FINISH^VALM4
 Q
LEFT(VALMNOD) ; -- move view to left
 D START^VALM4
 N MOVE,LM
 S MOVE=$P($P(VALMNOD,U,4),"=",3),LM=VALM("FIXED")+1
 I VALMLFT=LM W $C(7) D FINISH^VALM4 Q
 I MOVE?1"<".E D
 . S VALMLFT=LM
 E  D
 . S MOVE=$S(MOVE:+MOVE,1:VALMWD-VALM("FIXED"))
 . S:(VALMLFT-MOVE)<LM MOVE=VALMLFT-VALM("FIXED")-1
 . S VALMLFT=VALMLFT-MOVE
 I VALMCC S:VALMWD'<$L($G(VALMHDR(VALM("TM")-3))) VALMBCK="P" D REFRESH^VALM
 D FINISH^VALM4
 Q
GOTO ; -- go to page #
 N Y,PAGE,LINE
 S PAGE=$$PAGE^VALM4(VALMCNT,VALM("LINES"))
 I PAGE=1 S VALMSG="This list only contains 1 page." G GOTOQ
 S Y=+$P($P(XQORNOD(0),U,4),"=",3)
 I Y D  I $G(VALMSG)]"" G GOTOQ
 . I Y>PAGE S VALMSG="Too large. Page #"_Y_" does not exist." Q
 . I Y<1 S VALMSG="Negative page numbers do not exist." Q
 . S PAGE=Y
 I 'Y D
 . N DIR,X,Y,DIRUT
 . S DIR(0)="NA^1:"_PAGE,DIR("A")="Go to Page (1-"_PAGE_"): "
 . W ! D ^DIR S PAGE=+Y
 I PAGE D
 . S LINE=((PAGE-1)*VALM("LINES"))+1
 . I LINE=VALMBG S VALMSG="Your selection is the current screen." Q
 . I LINE'=VALMBG S VALMBG=LINE D:VALMCC LST^VALM4,PAINT^VALM4 D PGUPD^VALM4
GOTOQ I $G(VALMSG)]"" S VALMSG=$C(7)_VALMSG
 D FINISH^VALM4
 Q