src/hg/hgTracks/makeItemsTrack.c 1.4

Index: src/hg/hgTracks/makeItemsTrack.c
===================================================================
RCS file: /projects/compbio/cvsroot/kent/src/hg/hgTracks/makeItemsTrack.c,v
retrieving revision 1.3
retrieving revision 1.4
diff -b -B -U 1000000 -r1.3 -r1.4
--- src/hg/hgTracks/makeItemsTrack.c	10 Apr 2010 01:14:57 -0000	1.3
+++ src/hg/hgTracks/makeItemsTrack.c	10 Apr 2010 04:11:27 -0000	1.4
@@ -1,94 +1,112 @@
 /* makeItemsTrack.c - supports tracks of type makeItems.  Users can drag to create an item
  * and click to edit one. */
 
 #include "common.h"
 #include "hash.h"
 #include "linefile.h"
 #include "jksql.h"
 #include "hdb.h"
 #include "hgTracks.h"
 #include "bed.h"
 #include "makeItemsItem.h"
 
 void makeItemsJsCommand(char *command, struct track *trackList, struct hash *trackHash)
 /* Execute some command sent to us from the javaScript.  All we know for sure is that
  * the first word of the command is "makeItems."  We expect it to be of format:
  *    makeItems <trackName> <chrom> <chromStart> <chromEnd>
  * If it is indeed of this form then we'll create a new makeItemsItem that references this
  * location and stick it in the named track. */
 {
 /* Parse out command into local variables. */
 char *words[6];
 char *dupeCommand = cloneString(command);	/* For parsing. */
 int wordCount = chopLine(dupeCommand, words);
 if (wordCount != 5)
    errAbort("Expecting %d words in jsCommand '%s'", wordCount, command);
 uglyf("makeItemsJsCommand %s|%s|%s|%s|%s<BR>\n", words[0], words[1], words[2], words[3], words[4]);
 char *trackName = words[1];
 char *chrom = words[2];
 int chromStart = sqlUnsigned(words[3]);
 int chromEnd = sqlUnsigned(words[4]);
 
 /* Create a new item based on command. */
 struct makeItemsItem *item;
 AllocVar(item);
 item->chrom = cloneString(chrom);
 item->chromStart = item->thickStart = chromStart;
 item->chromEnd = item->thickEnd = chromEnd;
 item->name = cloneString("new");
 item->score = 1000;
 item->strand[0] = '.';
 item->description = cloneString("n/a");
 
 /* Add item to database. */
 struct track *track = hashMustFindVal(trackHash, trackName);
 struct customTrack *ct = track->customPt;
 char *tableName = ct->dbTableName;
 struct sqlConnection *conn = hAllocConn(CUSTOM_TRASH);
 makeItemsItemSaveToDbEscaped(conn, item, tableName, 0);
 hFreeConn(&conn);
 
 freez(&dupeCommand);
 }
 
+static int makeItemsExtraHeight(struct track *tg)
+/* Return extra height of track. */
+{
+return tl.fontHeight+2;
+}
+
 void makeItemsLoadItems(struct track *tg)
 /* Load up items in track already.  Also make up a pseudo-item that is
  * where you drag to create an item. */
 {
 struct bed *bedList = NULL;
-struct bed *firstItem;
-AllocVar(firstItem);
-firstItem->chrom = cloneString(chromName);
-firstItem->chromStart = winStart;
-firstItem->chromEnd = winEnd;
-firstItem->name = cloneString("Drag here to create a new item");
 struct customTrack *ct = tg->customPt;
 char *tableName = ct->dbTableName;
-firstItem->name = cloneString(tableName);
 struct sqlConnection *conn = hAllocConn(CUSTOM_TRASH);
 int rowOffset;
 struct sqlResult *sr = hRangeQuery(conn, tableName, chromName, winStart, winEnd, NULL, &rowOffset);
 char **row;
 while ((row = sqlNextRow(sr)) != NULL)
     {
     struct bed *bed = bedLoad6(row+rowOffset);
     slAddHead(&bedList, bed);
     }
 sqlFreeResult(&sr);
-#ifdef SOON
-#endif /* SOON */
 hFreeConn(&conn);
 slReverse(&bedList);
-slAddHead(&bedList, firstItem);
 tg->items = bedList;
 }
 
+void makeItemsDrawItems(struct track *tg, int seqStart, int seqEnd,
+        struct hvGfx *hvg, int xOff, int yOff, int width,
+        MgFont *font, Color color, enum trackVisibility vis)
+/* Draw simple Bed items. */
+{
+int dragBarHeight = makeItemsExtraHeight(tg);
+hvGfxTextCentered(hvg, xOff, yOff, width, dragBarHeight, color, font, 
+	"--- Drag here or inbetween items to create a new item. ---");
+bedDrawSimple(tg, seqStart, seqEnd, hvg, xOff, yOff + dragBarHeight, width,
+	font, color, vis);
+}
+
+int makeItemsTotalHeight(struct track *tg, enum trackVisibility vis)
+/* Most fixed height track groups will use this to figure out the height
+ * they use. */
+{
+return tgFixedTotalHeightOptionalOverflow(tg,vis, tl.fontHeight+1, tl.fontHeight, FALSE) + 
+	makeItemsExtraHeight(tg);
+}
+
+
 void makeItemsMethods(struct track *track)
 /* Set up special methods for makeItems type tracks. */
 {
 bedMethods(track);
+track->totalHeight = makeItemsTotalHeight;
+track->drawItems = makeItemsDrawItems;
 track->loadItems = makeItemsLoadItems;
-track->mapsSelf = TRUE;
 track->canPack = TRUE;
 }