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Annotation of freem_fileman/DDGFBSEL.m, revision 1.1.1.1

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))