08a8063a17e01a30f57175609818b32c1d737eaa
tdreszer
  Mon Mar 14 13:22:50 2011 -0700
Added NAFV link to track description at bottom of page.
diff --git src/hg/hgFileUi/hgFileUi.c src/hg/hgFileUi/hgFileUi.c
index 3490c27..4eb350f 100644
--- src/hg/hgFileUi/hgFileUi.c
+++ src/hg/hgFileUi/hgFileUi.c
@@ -1,133 +1,141 @@
 #include "common.h"
 #include "hash.h"
 #include "cheapcgi.h"
 #include "htmshell.h"
 #include "jsHelper.h"
 #include "trackDb.h"
 #include "hdb.h"
 #include "web.h"
 #include "mdb.h"
 #include "hCommon.h"
 #include "hui.h"
 #include "fileUi.h"
 
 #define MAIN_FORM "mainForm"
 #define WIGGLE_HELP_PAGE  "../goldenPath/help/hgWiggleTrackHelp.html"
 
 struct hash *trackHash = NULL;	/* Hash of all tracks in database. */
 
 void fileUi(struct cart *cart,struct trackDb *tdb, char *db, char *chrom, boolean ajax)
 // Downloadable Files UI
 {
 if (!ajax)
     {
     jsIncludeFile("jquery.js", NULL);
     webIncludeResourceFile("jquery-ui.css");
     jsIncludeFile("jquery-ui.js", NULL);
     jsIncludeFile("utils.js",NULL);
     }
 
 // QUESTION: Is this needed?  Are we doing a submit on hgTrackUi to get here??  Probably not.
 //if(tdbIsContainer(tdb) && !ajax)
 //    cartTdbTreeReshapeIfNeeded(cart,tdb);
 
 printf("<B style='font-family:serif; font-size:200%%;'>%s</B>\n", tdb->longLabel);
 
 // If Composite, link to the hgTrackUi.  But if downloadsOnly then link to any superTrack.
 #define LINK_TO_PARENT "%s<B style='font-family:serif; font-size:100%%;'>(<A HREF='%s?%s=%u&c=%s&g=%s' title='Link to %s track settings'><IMG height=12 src='../images/ab_up.gif'>%s</A>)</B>"
 if (tdbIsComposite(tdb))
     {
     char *encodedTrackName = cgiEncode(tdb->track);
     printf(LINK_TO_PARENT,"&nbsp;&nbsp;", hgTrackUiName(), cartSessionVarName(), cartSessionId(cart), chrom, encodedTrackName,tdb->shortLabel,"Track settings");
     freeMem(encodedTrackName);
     }
 else if (tdb->parent) //Print link for parent track
     {
     char *encodedTrackName = cgiEncode(tdb->parent->track);
     printf(LINK_TO_PARENT,"&nbsp;&nbsp;", hgTrackUiName(), cartSessionVarName(), cartSessionId(cart), chrom, encodedTrackName, tdb->parent->shortLabel, tdb->parent->shortLabel);
     freeMem(encodedTrackName);
     }
+
+// NAVLINKS - Link to Description down below
+if (tdb->html != NULL && tdb->html[0] != 0)
+    {
+    printf("\n&nbsp;&nbsp;<span id='navDown' style='float:right; display:none;'>");
+    printf("&nbsp;&nbsp;<A HREF='#TRACK_HTML' TITLE='Jump to description section of page'>Description&dArr;</A>");
+    printf("&nbsp;</span>");
+    }
 puts("<BR><BR>");
 
 filesDownloadUi(db,cart,tdb);
 
 // Print data version trackDB setting, if any */
 char *version = trackDbSetting(tdb, "dataVersion");
 if (version)
     printf("<P><B>Data version:</B> %s<BR>\n", version);
 
 // Print lift information from trackDb, if any
 (void) trackDbPrintOrigAssembly(tdb, db);
 
 if (tdb->html != NULL && tdb->html[0] != 0)
     {
     htmlHorizontalLine();
     // include anchor for Description link
     puts("<A NAME=TRACK_HTML></A>");
     printf("<table class='windowSize'><tr valign='top'><td>");
     puts(tdb->html);
     printf("</td><td>");
     makeTopLink(tdb);
     printf("&nbsp</td></tr><tr valign='bottom'><td colspan=2>");
     makeTopLink(tdb);
     printf("&nbsp</td></tr></table>");
     }
 }
 
 void doMiddle(struct cart *cart)
 /* Write body of web page. */
 {
 struct trackDb *tdbList = NULL;
 struct trackDb *tdb = NULL;
 char *track;
 char *ignored;
 char *db = NULL;
 track = cartString(cart, "g"); // QUESTION: Should this be 'f' ??
 getDbAndGenome(cart, &db, &ignored, NULL);
 char *chrom = cartUsualString(cart, "c", hDefaultChrom(db));
 
 // QUESTION: Do We need track list ???  trackHash ??? Can't we just get one track and no children
 trackHash = trackHashMakeWithComposites(db,chrom,&tdbList,FALSE);
 tdb = tdbForTrack(db, track,&tdbList);
 
 
 if (tdb == NULL)
     {
     errAbort("Can't find %s in track database %s", track, db);
     return;
     }
 cartWebStart(cart, db, "%s %s", tdb->shortLabel, DOWNLOADS_ONLY_TITLE);
 
 if (!tdbIsComposite(tdb) && !tdbIsDownloadsOnly(tdb))
     {
     warn("Track '%s' of type %s is not supported by hgFileUi.",track, tdb->type);
     return;
     }
 
 // QUESTION: Do we need superTrack?  If we have lnk to superTrack, then yes.
 char *super = trackDbGetSupertrackName(tdb);
 if (super)
     {
     if (tdb->parent) // configured as a supertrack member in trackDb
         {
         tdbMarkAsSuperTrack(tdb->parent);
         trackDbSuperMemberSettings(tdb);
         }
     }
 
 fileUi(cart, tdb, db, chrom, FALSE);
 
 printf("<BR>\n");
 webEnd();
 }
 
 char *excludeVars[] = { "submit", "Submit", "g", NULL, "ajax", NULL,};  // HOW IS 'ajax" going to be supported?
 
 int main(int argc, char *argv[])
 /* Process command line. */
 {
 cgiSpoof(&argc, argv);
 htmlSetBackground(hBackgroundImage());
 cartEmptyShell(doMiddle, hUserCookie(), excludeVars, NULL);
 return 0;
 }