src/hg/lib/netCart.c 1.1

Index: src/hg/lib/netCart.c
===================================================================
RCS file: src/hg/lib/netCart.c
diff -N src/hg/lib/netCart.c
--- /dev/null	1 Jan 1970 00:00:00 -0000
+++ src/hg/lib/netCart.c	18 Mar 2009 18:27:00 -0000	1.1
@@ -0,0 +1,68 @@
+/*	netCart.c - take care of parsing and combining values from the
+ *	net trackDb optional settings and the same values that may be
+ *	in the cart.
+ */
+#include "common.h"
+#include "jksql.h"
+#include "trackDb.h"
+#include "cart.h"
+#include "dystring.h"
+#include "hui.h"
+#include "netCart.h"
+
+static char const rcsid[] = "$Id$";
+
+enum netColorEnum netFetchColorOption(struct cart *cart, struct trackDb *tdb,
+	boolean compositeLevel)
+/******	netColorOption - Chrom colors by default **************************/
+{
+char *netColor = NULL;
+enum netColorEnum ret;
+
+netColor = trackDbSettingClosestToHomeOrDefault(tdb, NET_COLOR, CHROM_COLORS);
+/* trackDb can be netColor=Chromosome or netColor=grayScale,
+   need to translate grayScale into "Gray scale" */
+if (sameWord(TDB_GRAY_SCALE,netColor))
+    netColor = GRAY_SCALE;
+/* and then, allow cart to override trackDb */
+ret = netColorStringToEnum(
+        cartUsualStringClosestToHome(cart, tdb, compositeLevel, NET_COLOR,
+        netColor));
+
+return(ret);
+}	/*	enum netColorEnum netFetchColorOption()	*/
+
+
+enum netLevelEnum netFetchLevelOption(struct cart *cart, struct trackDb *tdb,
+	boolean compositeLevel)
+/******	netLevelOption - net level 0 (All levels) by default    ***********/
+{
+char *netLevel = NULL;
+enum netLevelEnum ret;
+
+netLevel = trackDbSettingClosestToHomeOrDefault(tdb, NET_LEVEL, "0");
+/* trackDb can be netLevel=0 thru netLevel=1, need to translate that
+   number into enum strings */
+/* assume "All levels" first */
+ret = netLevelStringToEnum(NET_LEVEL_0);
+switch(sqlUnsigned(netLevel))
+    {
+    case 0: break;
+    case 1: ret = netLevelStringToEnum(NET_LEVEL_1); break;
+    case 2: ret = netLevelStringToEnum(NET_LEVEL_2); break;
+    case 3: ret = netLevelStringToEnum(NET_LEVEL_3); break;
+    case 4: ret = netLevelStringToEnum(NET_LEVEL_4); break;
+    case 5: ret = netLevelStringToEnum(NET_LEVEL_5); break;
+    case 6: ret = netLevelStringToEnum(NET_LEVEL_6); break;
+    default: warn("trackDb setting %s=%s for table %s is unrecognized, should be in range [0-6]",
+	NET_LEVEL, netLevel, tdb->tableName);
+	break;
+    }
+
+/* allow cart to override trackDb */
+ret = netLevelStringToEnum(
+        cartUsualStringClosestToHome(cart, tdb, compositeLevel, NET_LEVEL,
+        netLevelEnumToString(ret)));
+
+return(ret);
+}	/*	enum netLevelEnum netFetchLevelOption()	*/