Fossil

*/
#if INTERFACE
#define TIMELINE_ARTID    0x0001  /* Show artifact IDs on non-check-in lines */
#define TIMELINE_LEAFONLY 0x0002  /* Show "Leaf", but not "Merge", "Fork" etc */
#define TIMELINE_BRIEF    0x0004  /* Combine adjacent elements of same object */
#define TIMELINE_GRAPH    0x0008  /* Compute a graph */
#define TIMELINE_DISJOINT 0x0010  /* Elements are not contiguous */
#define TIMELINE_FCHANGES 0x0020  /* Detail file changes */
#endif

/*
** Output a timeline in the web format given a query.  The query
** should return these columns:
**
**    0.  rid

  int mxWikiLen;
  Blob comment;
  int prevTagid = 0;
  int suppressCnt = 0;
  char zPrevDate[20];
  GraphContext *pGraph = 0;
  int prevWasDivider = 0;     /* True if previous output row was <hr> */
  int fchngQueryInit = 0;     /* True if fchngQuery is initialized */
  Stmt fchngQuery;            /* Query for file changes on check-ins */

  zPrevDate[0] = 0;
  mxWikiLen = db_get_int("timeline-max-comment", 0);
  if( db_get_boolean("timeline-block-markup", 0) ){
    wikiFlags = WIKI_INLINE;
  }else{
    wikiFlags = WIKI_INLINE | WIKI_NOBLOCK;

      }
    }

    /* Generate extra hyperlinks at the end of the comment */
    if( xExtra ){
      xExtra(rid);
    }

    /* Generate the file-change list if requested */
    if( (tmFlags & TIMELINE_FCHANGES)!=0 && zType[0]=='c' ){
      int inUl = 0;
      if( !fchngQueryInit ){
        db_prepare(&fchngQuery, 
          "SELECT (pid==0) AS isnew,"
          "       (fid==0) AS isdel,"
          "       (SELECT name FROM filename WHERE fnid=mlink.fnid) AS name"
          "  FROM mlink"
          " WHERE mid=:mid AND pid!=fid"
          " ORDER BY 3"
        );
        fchngQueryInit = 1;
      }
      db_bind_int(&fchngQuery, ":mid", rid);
      while( db_step(&fchngQuery)==SQLITE_ROW ){
        const char *zFilename = db_column_text(&fchngQuery, 2);
        int isNew = db_column_int(&fchngQuery, 0);
        int isDel = db_column_int(&fchngQuery, 1);
        if( !inUl ){
          @ <ul>
          inUl = 1;
        }
        if( isNew ){
          @ <li> %h(zFilename) (new file)</li>
        }else if( isDel ){
          @ <li> %h(zFilename) (deleted)</li>
        }else{
          @ <li> %h(zFilename) </li>
        }
      }
      db_reset(&fchngQuery);
      if( inUl ){
        @ </ul>
      }
    }
    @ </td></tr>
  }
  if( suppressCnt ){
    @ <tr><td /><td /><td>
    @ <span class="timelineDisabled">... %d(suppressCnt) similar
    @ event%s(suppressCnt>1?"s":"") omitted.</span></td></tr>
    suppressCnt = 0;

      */
      @ <tr><td /><td>
      @ <div id="grbtm" style="width:%d(pGraph->mxRail*20+30)px;"></div>
      @ </td></tr>
    }
  }
  @ </table>
  if( fchngQueryInit ) db_finalize(&fchngQuery);
  timeline_output_graph_javascript(pGraph, (tmFlags & TIMELINE_DISJOINT)!=0);
}

/*
** Generate all of the necessary javascript to generate a timeline
** graph.
*/

**    t=TAGID        show only check-ins with the given tagid
**    r=TAGID        show check-ins related to tagid
**    u=USER         only if belonging to this user
**    y=TYPE         'ci', 'w', 't', 'e'
**    s=TEXT         string search (comment and brief)
**    ng             Suppress the graph if present
**    nd             Suppress "divider" lines
**    detail         Show details of files changed
**    f=RID          Show family (immediate parents and children) of RID
**    from=RID       Path from...
**    to=RID           ... to this
**    nomerge          ... avoid merge links on the path
**
** p= and d= can appear individually or together.  If either p= or d=
** appear, then u=, y=, a=, and b= are ignored.

    tmFlags = TIMELINE_BRIEF | TIMELINE_GRAPH;
  }else{
    tmFlags = TIMELINE_GRAPH;
  }
  if( P("ng")!=0 || zSearch!=0 ){
    tmFlags &= ~TIMELINE_GRAPH;
  }
  if( P("detail")!=0 ){
    tmFlags |= TIMELINE_FCHANGES;
  }

  style_header("Timeline");
  login_anonymous_available();
  timeline_temp_table();
  blob_zero(&sql);
  blob_zero(&desc);
  blob_append(&sql, "INSERT OR IGNORE INTO timeline ", -1);