6e57bd7dddafb83f609a22cba99c47c97fb506d9
tdreszer
  Thu Sep 9 09:09:18 2010 -0700
hgTrackUi can now use ajax to update composite/view settings, which enables keeping subtrack level v. composite/view level settings properly influencing each other.  That is, timing is important in ensuring that composite/view level changes overrides subtrack level settings.  The triggers for this code in hui.c are all ifdef'd on SUBTRACK_CFG_POPUP.
diff --git src/hg/cartDump/cartDump.c src/hg/cartDump/cartDump.c
index 7597a3f..d273e90 100644
--- src/hg/cartDump/cartDump.c
+++ src/hg/cartDump/cartDump.c
@@ -1,102 +1,114 @@
 /* cartDump - Dump contents of cart. */
 #include "common.h"
 #include "linefile.h"
 #include "hash.h"
 #include "cheapcgi.h"
 #include "cart.h"
+#include "hdb.h"
 #include "jsHelper.h"
 #include "hui.h"
 
 static char const rcsid[] = "$Id: cartDump.c,v 1.14 2008/12/09 00:41:20 angie Exp $";
 
 #define CART_DUMP_REMOVE_VAR "n/a"
+struct hash *oldVars = NULL;
 
 void doMiddle(struct cart *cart)
 /* cartDump - Dump contents of cart. */
 {
 #define MATCH_VAR  "match"
 
 char *vName = "cartDump.varName";
 char *vVal = "cartDump.newValue";
 char *wildcard;
 boolean asTable = cartVarExists(cart,CART_DUMP_AS_TABLE);
 
 if (cgiVarExists("submit"))
     {
     char *varName = cgiOptionalString(vName);
     char *newValue = cgiOptionalString(vVal);
     if (isNotEmpty(varName) && isNotEmpty(newValue))
         {
 	varName = skipLeadingSpaces(varName);
 	eraseTrailingSpaces(varName);
 	if (sameString(newValue, CART_DUMP_REMOVE_VAR) || sameString(newValue, CART_VAR_EMPTY))
 	    cartRemove(cart, varName);
 	else
 	    cartSetString(cart, varName, newValue);
 	}
     cartRemove(cart, vVal);
     cartRemove(cart, "submit");
     }
 if (cgiVarExists("noDisplay"))
     {
+    char *trackName = cgiOptionalString("g");
+    if(trackName != NULL && hashNumEntries(oldVars) > 0)
+        {
+        char *db = cartString(cart, "db");
+        struct trackDb *tdb = hTrackDbForTrack(db, trackName);
+        if(tdb != NULL && tdbIsComposite(tdb))
+            cartTdbTreeCleanupOverrides(tdb,cart,oldVars);
+        }
+
     return;
     }
 if (asTable)
     {
     jsIncludeFile("utils.js",NULL);
     jsIncludeFile("ajax.js",NULL);
     printf("<A HREF='../cgi-bin/cartDump?%s=[]'>Show as plain text.</a><BR>",CART_DUMP_AS_TABLE);
     printf("<FORM ACTION=\"../cgi-bin/cartDump\" METHOD=GET>\n");
     cartSaveSession(cart);
     printf("<em>Variables can be altered by changing the values and then leaving the field (onchange event will use ajax).\n");
     printf("Enter </em><B><code style='color:%s'>%s</code></B><em> or </em><B><code style='color:%s'>%s</code></B><em> to remove a variable.</em>",
         COLOR_DARKBLUE,CART_DUMP_REMOVE_VAR,COLOR_DARKBLUE,CART_VAR_EMPTY);
     printf("<BR><em>Add a variable named:</em> ");
     cgiMakeTextVar(vName, "", 12);
     printf(" <em>value:</em> ");
     cgiMakeTextVar(vVal, "", 24);
     printf("&nbsp;");
     cgiMakeButton("submit", "refresh");// Says refresh but works as a submit.
     printf("&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;"
            "<a HREF='../cgi-bin/cartReset?destination=cartDump'><INPUT TYPE='button' VALUE='Reset the cart' style='color:%s;'></a>\n",
            COLOR_RED);
     printf("</FORM>\n");
     }
 else
     {
     printf("<A HREF='../cgi-bin/cartDump?%s=1'>Show as updatable table.</a><BR>",CART_DUMP_AS_TABLE);
     }
 printf("<TT><PRE>");
 wildcard = cgiOptionalString(MATCH_VAR);
 if (wildcard)
     cartDumpLike(cart, wildcard);
 else
     cartDump(cart);
 printf("</TT></PRE>");
 if (!asTable)
     {
     printf("<FORM ACTION=\"../cgi-bin/cartDump\" METHOD=GET>\n");
     cartSaveSession(cart);
     printf("<em>Add/alter a variable named:</em> ");
     cgiMakeTextVar(vName, cartUsualString(cart, vName, ""), 12);
     printf(" <em>new value</em> ");
     cgiMakeTextVar(vVal, "", 24);
     printf(" ");
     cgiMakeButton("submit", "submit");
     printf("<BR>Put </em><B><code style='color:%s'>%s</code></B><em> in for the new value to clear a variable.</em>",
         COLOR_DARKBLUE,CART_DUMP_REMOVE_VAR);
     printf("</FORM>\n");
     }
 printf("<P><em>Cookies passed to</em> %s:<BR>\n%s\n</P>\n",
        cgiServerName(), getenv("HTTP_COOKIE"));
 }
 
 char *excludeVars[] = { "submit", "Submit", "noDisplay", MATCH_VAR, NULL };
 
 int main(int argc, char *argv[])
 /* Process command line. */
 {
 cgiSpoof(&argc, argv);
-cartHtmlShell("Cart Dump", doMiddle, hUserCookie(), excludeVars, NULL);
+oldVars = hashNew(10);
+cartHtmlShell("Cart Dump", doMiddle, hUserCookie(), excludeVars, oldVars);
 return 0;
 }