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Overview
Comment:Add the 'onlyhidden' query parameter to show only check-ins tagged as "hidden" for the /leaves, /brtimeline, and /tagtimeline web pages.
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Timelines: family | ancestors | descendants | both | fix-timeline-view
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SHA3-256: 82b9140f3091a21822bef75a8d3d682edb2521308065d070e9300f92526c9516
User & Date: florian 2018-12-26 10:16:00
Context
2018-12-26
10:43
Simplify URL building for the /leaves web page. (check-in: 8bf8b378 user: florian tags: fix-timeline-view)
10:16
Add the 'onlyhidden' query parameter to show only check-ins tagged as "hidden" for the /leaves, /brtimeline, and /tagtimeline web pages. (check-in: 82b9140f user: florian tags: fix-timeline-view)
2018-12-24
22:06
Treat the new query parameters as boolean flags. (check-in: 8e5ea60b user: florian tags: fix-timeline-view)
Changes
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Changes to src/branch.c. 

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**
** Show a timeline of all branches
**
** Query parameters:
**
**     ng            No graph
**     hide          Hide check-ins with "hidden" tag

**     brbg          Background color by branch name
**     ubg           Background color by user name
*/
void brtimeline_page(void){
  Blob sql = empty_blob;
  Stmt q;
  int tmFlags; /* Timeline display flags */



  login_check_credentials();
  if( !g.perm.Read ){ login_needed(g.anon.Read); return; }

  style_header("Branches");
  style_submenu_element("List", "brlist");
  login_anonymous_available();
................................................................................
  timeline_ss_submenu();
  cookie_render();
  @ <h2>The initial check-in for each branch:</h2>
  blob_append(&sql, timeline_query_for_www(), -1);
  blob_append_sql(&sql,
    "AND blob.rid IN (SELECT rid FROM tagxref"
    "                  WHERE tagtype>0 AND tagid=%d AND srcid!=0)", TAG_BRANCH);
  if( PB("hide") ){

    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_DISJOINT | TIMELINE_NOSCROLL;
  if( PB("ng")==0 ) tmFlags |= TIMELINE_GRAPH;
  if( PB("brbg")!=0 ) tmFlags |= TIMELINE_BRCOLOR;
  if( PB("ubg")!=0 ) tmFlags |= TIMELINE_UCOLOR;
  www_print_timeline(&q, tmFlags, 0, 0, 0, brtimeline_extra);
  db_finalize(&q);
  style_footer();
}








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**
** Show a timeline of all branches
**
** Query parameters:
**
**     ng            No graph
**     hide          Hide check-ins with "hidden" tag
**     onlyhidden    Show only check-ins with "hidden" tag
**     brbg          Background color by branch name
**     ubg           Background color by user name
*/
void brtimeline_page(void){
  Blob sql = empty_blob;
  Stmt q;
  int tmFlags;                            /* Timeline display flags */
  int fHide = PB("hide")!=0;              /* The "hide" query parameter */
  int fOnlyHidden = PB("onlyhidden")!=0;  /* The "onlyhidden" query parameter */

  login_check_credentials();
  if( !g.perm.Read ){ login_needed(g.anon.Read); return; }

  style_header("Branches");
  style_submenu_element("List", "brlist");
  login_anonymous_available();
................................................................................
  timeline_ss_submenu();
  cookie_render();
  @ <h2>The initial check-in for each branch:</h2>
  blob_append(&sql, timeline_query_for_www(), -1);
  blob_append_sql(&sql,
    "AND blob.rid IN (SELECT rid FROM tagxref"
    "                  WHERE tagtype>0 AND tagid=%d AND srcid!=0)", TAG_BRANCH);
  if( fHide || fOnlyHidden ){
    const char* zUnaryOp = fHide ? "NOT" : "";
    blob_append_sql(&sql,
      " AND %s EXISTS(SELECT 1 FROM tagxref"
      " WHERE tagid=%d AND tagtype>0 AND rid=blob.rid)\n",
      zUnaryOp/*safe-for-%s*/, 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_DISJOINT | TIMELINE_NOSCROLL;
  if( PB("ng")==0 ) tmFlags |= TIMELINE_GRAPH;
  if( PB("brbg")!=0 ) tmFlags |= TIMELINE_BRCOLOR;
  if( PB("ubg")!=0 ) tmFlags |= TIMELINE_UCOLOR;
  www_print_timeline(&q, tmFlags, 0, 0, 0, brtimeline_extra);
  db_finalize(&q);
  style_footer();
}

Changes to src/descendants.c. 

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**
** 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 = PB("ng")!=0;           /* Flag for the "ng" query parameter */
  int fHide = PB("hide")!=0;       /* Flag for the "hide" query parameter */

  int fBrBg = PB("brbg")!=0;       /* Flag for the "brbg" query parameter */
  int fUBg = PB("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( 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");
................................................................................
  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;








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**
** Query parameters:
**
**     all           Show all leaves
**     closed        Show only closed leaves
**     ng            No graph
**     hide          Hide check-ins with "hidden" tag
**     onlyhidden    Show only 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 = PB("ng")!=0;           /* Flag for the "ng" query parameter */
  int fHide = PB("hide")!=0;       /* Flag for the "hide" query parameter */
  int fOnlyHidden = PB("onlyhidden")!=0;  /* "onlyhidden" query parameter */
  int fBrBg = PB("brbg")!=0;       /* Flag for the "brbg" query parameter */
  int fUBg = PB("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( fNg ){
    blob_appendf(&QueryParams, "%s%s", zParamSep, "ng");
    zParamSep = "&";
  }
  if( fHide ){
    blob_appendf(&QueryParams, "%s%s", zParamSep, "hide");
    zParamSep = "&";
  }
  if( fOnlyHidden ){
    blob_appendf(&QueryParams, "%s%s", zParamSep, "onlyhidden");
    zParamSep = "&";
  }
  if( fBrBg ){
    blob_appendf(&QueryParams, "%s%s", zParamSep, "brbg");
    zParamSep = "&";
  }
  if( fUBg ){
    blob_appendf(&QueryParams, "%s%s", zParamSep, "ubg");
................................................................................
  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 || fOnlyHidden ){
    const char* zUnaryOp = fHide ? "NOT" : "";
    blob_append_sql(&sql,
      " AND %s EXISTS(SELECT 1 FROM tagxref"
      " WHERE tagid=%d AND tagtype>0 AND rid=blob.rid)\n",
      zUnaryOp/*safe-for-%s*/, 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;

Changes to src/tag.c. 

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** Render a timeline with all check-ins that contain non-propagating
** symbolic tags.
**
** Query parameters:
**
**     ng            No graph
**     hide          Hide check-ins with "hidden" tag

**     brbg          Background color by branch name
**     ubg           Background color by user name
*/
void tagtimeline_page(void){
  Blob sql = empty_blob;
  Stmt q;
  int tmFlags; /* Timeline display flags */



  login_check_credentials();
  if( !g.perm.Read ){ login_needed(g.anon.Read); return; }

  style_header("Tagged Check-ins");
  style_submenu_element("List", "taglist");
  login_anonymous_available();
................................................................................
  @ <h2>Check-ins with non-propagating tags:</h2>
  blob_append(&sql, timeline_query_for_www(), -1);
  blob_append_sql(&sql,
    "AND blob.rid IN (SELECT rid FROM tagxref"
    "                  WHERE tagtype=1 AND srcid>0"
    "                    AND tagid IN (SELECT tagid FROM tag "
    "                                   WHERE tagname GLOB 'sym-*'))");
  if( PB("hide") ){

    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 /*sort*/", 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_DISJOINT | TIMELINE_NOSCROLL;
  if( PB("ng")==0 ) tmFlags |= TIMELINE_GRAPH;








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** Render a timeline with all check-ins that contain non-propagating
** symbolic tags.
**
** Query parameters:
**
**     ng            No graph
**     hide          Hide check-ins with "hidden" tag
**     onlyhidden    Show only check-ins with "hidden" tag
**     brbg          Background color by branch name
**     ubg           Background color by user name
*/
void tagtimeline_page(void){
  Blob sql = empty_blob;
  Stmt q;
  int tmFlags;                            /* Timeline display flags */
  int fHide = PB("hide")!=0;              /* The "hide" query parameter */
  int fOnlyHidden = PB("onlyhidden")!=0;  /* The "onlyhidden" query parameter */

  login_check_credentials();
  if( !g.perm.Read ){ login_needed(g.anon.Read); return; }

  style_header("Tagged Check-ins");
  style_submenu_element("List", "taglist");
  login_anonymous_available();
................................................................................
  @ <h2>Check-ins with non-propagating tags:</h2>
  blob_append(&sql, timeline_query_for_www(), -1);
  blob_append_sql(&sql,
    "AND blob.rid IN (SELECT rid FROM tagxref"
    "                  WHERE tagtype=1 AND srcid>0"
    "                    AND tagid IN (SELECT tagid FROM tag "
    "                                   WHERE tagname GLOB 'sym-*'))");
  if( fHide || fOnlyHidden ){
    const char* zUnaryOp = fHide ? "NOT" : "";
    blob_append_sql(&sql,
      " AND %s EXISTS(SELECT 1 FROM tagxref"
      " WHERE tagid=%d AND tagtype>0 AND rid=blob.rid)\n",
      zUnaryOp/*safe-for-%s*/, TAG_HIDDEN);
  }
  db_prepare(&q, "%s ORDER BY event.mtime DESC /*sort*/", 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_DISJOINT | TIMELINE_NOSCROLL;
  if( PB("ng")==0 ) tmFlags |= TIMELINE_GRAPH;

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