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Annotation of freem_fileman/USER/DDGFBSEL.m, revision 1.1

1.1     ! snw         1: DDGFBSEL       ;SFISC/MKO-SELECT BLOCK ;07:50 AM  23 Aug 1993
        !             2:        ;;21.0;VA FileMan;;Dec 28, 1994
        !             3:        ;Per VHA Directive 10-93-142, this routine should not be modified.
        !             4:        ;Sets:
        !             5:        ;  DDGFORIG(B) = original $Y^original $X for all blocks that were
        !             6:        ;                  selected, since they were potentially moved
        !             7: SELECT ;
        !             8:        N B,C,C1,C2,C3
        !             9:        N B1,X1,X2
        !            10:        ;
        !            11:        ;Which element is the cursor on?
        !            12:        ;Set B=Block
        !            13:        S X1="" K B
        !            14:        F  S X1=$O(@DDGFREF@("BKRC",DDGFWIDB,DY,X1)) Q:X1=""!(DX<X1)  D
        !            15:        . S X2=""
        !            16:        . F  S X2=$O(@DDGFREF@("BKRC",DDGFWIDB,DY,X1,X2)) Q:X2=""  D  Q:$G(B)
        !            17:        .. Q:DX>X2
        !            18:        .. S B=$O(@DDGFREF@("BKRC",DDGFWIDB,DY,X1,X2,""))
        !            19:        .. I @DDGFREF@("BKRC",DDGFWIDB,DY,X1,X2,B)="H",$O(^(B)) S B=$O(^(B))
        !            20:        Q:'$G(B)
        !            21:        ;
        !            22:        ;Get caption and coordinates
        !            23:        S B1=$G(@DDGFREF@("F",DDGFPG,B)) Q:B1=""
        !            24:        S C1=$P(B1,U),C2=$P(B1,U,2),C3=$P(B1,U,3),C=$P(B1,U,4)
        !            25:        ;
        !            26:        S:@DDGFREF@("BKRC",DDGFWIDB,C1,C2,C3,B)="H" DDGFHDR=1
        !            27:        D COVER
        !            28:        ;
        !            29:        K B1,X1,X2
        !            30:        G ^DDGF4
        !            31:        ;
        !            32: COVER  ;
        !            33:        N H,O,L
        !            34:        ;Clear and/or kill portions of DDGFREF
        !            35:        K @DDGFREF@("BKRC",DDGFWIDB,C1,C2,C3,B)
        !            36:        ;
        !            37:        ;Remember original block coordinates
        !            38:        S:$D(DDGFORIG(B))[0 DDGFORIG(B)=C1_U_C2
        !            39:        ;
        !            40:        ;Look for covered (hidden) fields
        !            41:        ;Set H(B) - array of hidden fields
        !            42:        S X1=""
        !            43:        F  S X1=$O(@DDGFREF@("BKRC",DDGFWIDB,C1,X1)) Q:X1=""  D
        !            44:        . S X2=""
        !            45:        . F  S X2=$O(@DDGFREF@("BKRC",DDGFWIDB,C1,X1,X2)) Q:X2=""  D
        !            46:        .. S H=$O(@DDGFREF@("BKRC",DDGFWIDB,C1,X1,X2,""))
        !            47:        .. I H]"",$D(H(H))[0,$$OVERLAP(C2,C3,X1,X2) S H(H)=""
        !            48:        ;
        !            49:        ;Clear in buffer area occupied by element(s) selected
        !            50:        ;If block on the page border, redraw the lines
        !            51:        S L=$J("",$L(C)-$S(C3>$P(DDGFLIM,U,4):C3-$P(DDGFLIM,U,4),1:0))
        !            52:        D WRITE^DDGLIBW(DDGFWIDB,L,C1-$P(DDGFLIM,U),C2-$P(DDGFLIM,U,2),"",1)
        !            53:        ;
        !            54:        I $P(@DDGFREF@("F",DDGFPG),U,3) D
        !            55:        . I C1=$P(DDGFLIM,U)!(C1=$P(DDGFLIM,U,3)) D
        !            56:        .. S L=$TR(L," ",$P(DDGLGRA,DDGLDEL,3))
        !            57:        .. S:C2=$P(DDGFLIM,U,2) $E(L)=$P(DDGLGRA,DDGLDEL,$S(C1=$P(DDGFLIM,U):5,1:7))
        !            58:        .. S:C3'<$P(DDGFLIM,U,4) $E(L,$L(L))=$P(DDGLGRA,DDGLDE,$S(C1=$P(DDGFLIM,U):6,1:8))
        !            59:        .. D WRITE^DDGLIBW(DDGFWIDB,L,C1-$P(DDGFLIM,U),C2-$P(DDGFLIM,U,2),"G",1)
        !            60:        . E  I C2=$P(DDGFLIM,U,2) D
        !            61:        .. D WRITE^DDGLIBW(DDGFWIDB,$P(DDGLGRA,DDGLDEL,4),C1-$P(DDGFLIM,U),C2-$P(DDGFLIM,U,2),"G",1)
        !            62:        . E  I C3'<$P(DDGFLIM,U,4) D
        !            63:        .. D WRITE^DDGLIBW(DDGFWIDB,$P(DDGLGRA,DDGLDEL,4),C1-$P(DDGFLIM,U),$P(DDGFLIM,U,4)-$P(DDGFLIM,U,2),"G",1)
        !            64:        ;
        !            65:        ;Write to buffer the overlapped blocks(s)
        !            66:        I $D(H)>1 S H="" F  S H=$O(H(H)) Q:H=""  D
        !            67:        . S B1=$G(@DDGFREF@("F",DDGFPG,H)) Q:B1=""
        !            68:        . D WRITE^DDGLIBW(DDGFWIDB,$P(B1,U,4),$P(B1,U)-$P(DDGFLIM,U),$P(B1,U,2)-$P(DDGFLIM,U,2),"",1)
        !            69:        Q
        !            70:        ;
        !            71: OVERLAP(A1,A2,B1,B2)   ;Does line with X-coords A1,A2 overlap B1,B2
        !            72:        N T
        !            73:        I A1<B1 S T=A1,A1=B1,B1=T,T=A2,A2=B2,B2=T
        !            74:        Q A1'<B1&(A1'>B2)!(A2'<B1&(A2'>B2))