Fossil

** is a leaf without a "closed" tag.
**
** Query parameters:
**
**     all           Show all leaves
**     closed        Show only closed leaves
**     ng            No graph
**     hide          Hide check-ins with "hidden" tag
**     brbg          Background color by branch name
**     ubg           Background color by user name
*/
void leaves_page(void){
  Blob sql;
  Stmt q;
  int showAll = P("all")!=0;
  int showClosed = P("closed")!=0;
  int fNg = P("ng")!=0;           /* Flag for the "ng" query parameter */
  int fHide = P("hide")!=0;       /* Flag for the "hide" query parameter */
  int fBrBg = P("brbg")!=0;       /* Flag for the "brbg" query parameter */
  int fUBg = P("ubg")!=0;         /* Flag for the "ubg" query parameter */
  Blob QueryParams = empty_blob;  /* Concatenated query parameters */
  char *zParamSep = 0;            /* Query parameter separator */
  int tmFlags;                    /* Timeline display flags */

  login_check_credentials();
  if( !g.perm.Read ){ login_needed(g.anon.Read); return; }
  if( fNg ){
    blob_appendf(&QueryParams, "%s%s", zParamSep, "ng");
    zParamSep = "&";
  }
  if( fHide ){
    blob_appendf(&QueryParams, "%s%s", zParamSep, "hide");
    zParamSep = "&";
  }
  if( fBrBg ){
    blob_appendf(&QueryParams, "%s%s", zParamSep, "brbg");
    zParamSep = "&";
  }
  if( fUBg ){
    blob_appendf(&QueryParams, "%s%s", zParamSep, "ubg");
    zParamSep = "&";

  blob_append(&sql, timeline_query_for_www(), -1);
  blob_append_sql(&sql, " AND blob.rid IN leaf");
  if( showClosed ){
    blob_append_sql(&sql," AND %z", leaf_is_closed_sql("blob.rid"));
  }else if( !showAll ){
    blob_append_sql(&sql," AND NOT %z", leaf_is_closed_sql("blob.rid"));
  }
  if( fHide ){
    blob_append_sql(&sql,
      " AND NOT EXISTS(SELECT 1 FROM tagxref"
      " WHERE tagid=%d AND tagtype>0 AND rid=blob.rid)\n", TAG_HIDDEN);
  }
  db_prepare(&q, "%s ORDER BY event.mtime DESC", blob_sql_text(&sql));
  blob_reset(&sql);
  /* Always specify TIMELINE_DISJOINT, or graph_finish() may fail because of too
  ** many descenders to (off-screen) parents. */
  tmFlags = TIMELINE_LEAFONLY | TIMELINE_DISJOINT | TIMELINE_NOSCROLL;
  if( fNg==0 ) tmFlags |= TIMELINE_GRAPH;
  if( fBrBg ) tmFlags |= TIMELINE_BRCOLOR;