21bf4f713e944af4e8810544d68c441510ea85a3
kate
  Wed Jul 26 16:31:01 2017 -0700
Add support for maxHeightPixels in trackDb and UI of barChart type tracks. refs #19872

diff --git src/hg/lib/barChartUi.c src/hg/lib/barChartUi.c
index b5cfcbe..3903721 100644
--- src/hg/lib/barChartUi.c
+++ src/hg/lib/barChartUi.c
@@ -1,292 +1,307 @@
 /* Bar chart track controls */
 
 /* Copyright (C) 2015 The Regents of the University of California 
  * See README in this or parent directory for licensing information. */
 
 #include "cheapcgi.h"
 #include "cart.h"
 #include "hui.h"
 #include "trackDb.h"
 #include "jsHelper.h"
 #include "hCommon.h"
 #include "rainbow.h"
 #include "htmlColor.h"
 #include "barChartCategory.h"
 #include "barChartUi.h"
 
 /* Restrict features on right-click (popup) version */
 static boolean isPopup = FALSE;
 
 /* Convenience functions for category filter controls */
 
 
 char *makeCategoryLabel(struct barChartCategory *categ)
 /* Display category color and label */
 {
 char buf[256];
 safef(buf, sizeof(buf), "<td class='bcColorPatch' bgcolor=#%06x></td>"
                         "<td>&nbsp;%s</td>", 
                                 categ->color, categ->label);
 return(cloneString(buf));
 }
 
 struct categorySelect
     {
     struct categorySelect *next;
     char *name;
     char *label;
     boolean checked;
     };
 
 static void makeGroupCheckboxes(char *name, char *title, struct categorySelect *selects)
 {
 #define TABLE_COLUMNS 1
 if (title != NULL)
     printf("<tr><td colspan=10><i><b>%s</b></i></td></tr><tr>\n", title);
 int count = slCount(selects);
 struct categorySelect **categArray;
 AllocArray(categArray, count);
 int i=0;
 struct categorySelect *sel;
 for (i=0, sel = selects; sel != NULL; sel = sel->next, i++)
     categArray[i] = sel;
 int col=0;
 int row=0;
 int tableColumns=1;
 for (i=0; i<count; i++)
     {
     int j = row + col*(count/tableColumns+1);
     if (j>=count)
         {
         printf("</tr><tr>");
         row++;
         col = 0;
         }
     j = row + col*(count/tableColumns+1);
     if (!isPopup)
         {
         printf("<td><input type=checkbox name=\"%s\" value=\"%s\" %s></td>" "<td>%s</td>\n",
                 name, categArray[j]->name, categArray[j]->checked ? "checked" : "", 
                 categArray[j]->label);
         }
     col++;
     }
 if ((i % tableColumns) != 0)
     while ((i++ % tableColumns) != 0)
         printf("<td></td>");
 printf("</tr><tr><td></td></tr>\n");
 }
 
 static void makeCategoryCheckboxes(char *name, struct barChartCategory *categs, 
                                         struct slName *checked)
 {
 puts("<style>\n");
 puts(".bcColorPatch { padding: 0 10px; }\n");
 puts("</style>\n");
 
 struct hash *checkHash = hashNew(0);
 struct slName *sel;
 for (sel = checked; sel != NULL; sel = sel->next)
     hashAdd(checkHash, sel->name, sel->name);
 puts("<table borderwidth=0 cellpadding=1 cellspacing=4><tr>");
 struct categorySelect *catSel;
 struct barChartCategory *categ;
 struct categorySelect *all = NULL;
 for (categ = categs; categ != NULL; categ = categ->next)
     {
     AllocVar(catSel);
     catSel->name = categ->name;
     catSel->label = makeCategoryLabel(categ);
     if (hashNumEntries(checkHash) == 0)
         catSel->checked = TRUE;
     else
         catSel->checked = (hashLookup(checkHash, categ->name) != NULL);
     slAddHead(&all, catSel);
     }
 slReverse(&all);
 makeGroupCheckboxes(name, NULL, all);
 puts("</tr></table>");
 char buf[512];
 safef(buf, sizeof(buf), "%s%s", cgiMultListShadowPrefix(), name);
 cgiMakeHiddenVar(buf, "0");
 }
 
 /* Convenience functions for hgTrackUi */
 
 double barChartUiMaxMedianScore(struct trackDb *tdb)
 /* Max median score, for scaling */
 {
 char *setting = trackDbSettingClosestToHome(tdb, BAR_CHART_MAX_LIMIT);
 if (setting != NULL)
     {
     double max = sqlDouble(setting);
     if (max > 0.0)
         return max;
     }
 return BAR_CHART_MAX_LIMIT_DEFAULT;
 }
 
 void barChartUiViewTransform(struct cart *cart, char *track, struct trackDb *tdb)
 /* Checkboxes to select log-transform or autoscale RPKM values, or text input for view limits */
 {
 char buf[512];
 char cartVar[1024];
 puts("<b>Log10(x+1) transform:</b>\n");
 safef(cartVar, sizeof(cartVar), "%s.%s", track, BAR_CHART_LOG_TRANSFORM);
 boolean isLogTransform = cartCgiUsualBoolean(cart, cartVar, BAR_CHART_LOG_TRANSFORM_DEFAULT);
 cgiMakeCheckBoxWithId(cartVar, isLogTransform, cartVar);
 jsOnEventByIdF("change", cartVar, "barChartTransformChanged(event);");
 
 puts("&nbsp;&nbsp;");
 puts("<b>Autoscale:</b>\n");
 safef(cartVar, sizeof(cartVar), "%s.%s", track, BAR_CHART_AUTOSCALE);
 boolean isAutoScale = cartCgiUsualBoolean(cart, cartVar, BAR_CHART_AUTOSCALE_DEFAULT);
 cgiMakeCheckBoxWithId(cartVar, isAutoScale, cartVar);
 jsOnEventByIdF("change", cartVar, "barChartTransformChanged(event);");
 
 boolean isViewLimits = !isAutoScale && !isLogTransform;
 safef(buf, sizeof buf, "%sViewLimitsMaxLabel %s", track, !isViewLimits ? "disabled" : "");
 puts("&nbsp;&nbsp;");
 printf("<span class='%s'><b>View limits maximum:</b></span>\n", buf);
 safef(cartVar, sizeof(cartVar), "%s.%s", track, BAR_CHART_MAX_VIEW_LIMIT);
 int viewMax = cartCgiUsualInt(cart, cartVar, BAR_CHART_MAX_VIEW_LIMIT_DEFAULT);
 cgiMakeIntVarWithExtra(cartVar, viewMax, 4, !isViewLimits ? "disabled" : "");
 char *unit = trackDbSettingClosestToHomeOrDefault(tdb, BAR_CHART_UNIT, "");
 printf("<span class='%s'> %s (range 0-%d)</span>\n", buf, unit, 
                                 round(barChartUiMaxMedianScore(tdb)));
 }
 
+void barChartUiMaxHeight(struct cart *cart, char *track, struct trackDb *tdb)
+/* Input to change maximum track height */
+{
+int min = BAR_CHART_MAX_HEIGHT_MIN;
+int deflt = BAR_CHART_MAX_HEIGHT_DEFAULT;
+int max = BAR_CHART_MAX_HEIGHT_MAX;
+int settingsDefault;
+wigFetchMinMaxPlusPixelsWithCart(cart, tdb, track, &min, &max, &deflt, &settingsDefault);
+puts("<b>Track height maximum:</b>\n");
+char cartVar[1024];
+safef(cartVar, sizeof(cartVar), "%s.%s", track, HEIGHTPER);
+cgiMakeIntVarWithLimits(cartVar, deflt, "Track height maximum", 0, min, max);
+printf("pixels&nbsp;(range: %d to %d, default: %d)", min, max, settingsDefault);
+}
+
 struct barChartCategory *barChartUiGetCategories(char *database, struct trackDb *tdb)
 /* Get category colors and descriptions.  Use barChartColors setting if present.
    If not, if there is a barChartBars setting, assign rainbow colors.
  * O/w look for a table naed track+Category, and use labels and colors there 
  */
 {
 struct barChartCategory *categs = NULL;
 char *words[BAR_CHART_MAX_CATEGORIES];
 char *colorWords[BAR_CHART_MAX_CATEGORIES];
 char *labels = trackDbSettingClosestToHome(tdb, BAR_CHART_CATEGORY_LABELS);
 char *colors = trackDbSettingClosestToHome(tdb, BAR_CHART_CATEGORY_COLORS);
 struct barChartCategory *categ = NULL;
 
 if (labels == NULL)
     {
     errAbort("barChart track %s missing required %s setting\n", tdb->track, BAR_CHART_CATEGORY_LABELS);
     }
 else
     {
     int count = chopLine(cloneString(labels), words);
     struct rgbColor *rainbow = getRainbow(&saturatedRainbowAtPos, count);
     if (colors != NULL)
         {
         int colorCount = chopLine(cloneString(colors), colorWords);
         if (colorCount != count)
             warn("barChart track %s mismatch between label (%d)  and color (%d) settings", 
                     tdb->track, count, colorCount);
         }
     int i;
     char buf[6];
     for (i=0; i<count; i++)
         {
         AllocVar(categ);
         categ->id = i;
         safef(buf, sizeof buf, "%d", i);
         categ->name = cloneString(buf);
         categ->label = words[i];
         if (colors)
             {
             unsigned rgb;
             char *color = colorWords[i];
             if (htmlColorForCode(color, &rgb))
                 {
                 categ->color = rgb;
                 }
             else if (htmlColorForName(color, &rgb))
                 {
                 categ->color = rgb;
                 }
             else
                 warn("barChart track %s unknown color %s. Must be one of %s\n",
                         tdb->track, color, slNameListToString(htmlColorNames(),','));
             }
         else
             {
             categ->color = ((rainbow[i].r & 0xff)<<16) + 
                         ((rainbow[i].g & 0xff)<<8) + 
                         ((rainbow[i].b & 0xff));
             }
         slAddHead(&categs, categ);
         }
     slReverse(&categs);
     }
 return categs;
 }
 
 struct barChartCategory *barChartUiGetCategoryById(int id, char *database, 
                                                         struct trackDb *tdb)
 /* Get category info by id */
 {
 struct barChartCategory *categ;
 struct barChartCategory *categs = barChartUiGetCategories(database, tdb);
 for (categ = categs; categ != NULL; categ = categ->next)
     if (categ->id == id)
         return categ;
 return NULL;
 }
 
 char *barChartUiGetCategoryLabelById(int id, char *database, struct trackDb *tdb)
 /* Get label for a category id */
 {
 struct barChartCategory *categ = barChartUiGetCategoryById(id, database, tdb);
 if (categ == NULL)
     return "Unknown";
 return categ->label;
 }
 
 void barChartCfgUi(char *database, struct cart *cart, struct trackDb *tdb, char *track, 
                         char *title, boolean boxed)
 /* Bar chart track type */
 {
 if (cartVarExists(cart, "ajax"))
     isPopup = TRUE;
 boxed = cfgBeginBoxAndTitle(tdb, boxed, title);
 if (startsWith("big", tdb->type))
     labelCfgUi(database, cart, tdb);
-printf("\n<table id=barChartControls style='font-size:%d%%' %s>\n<tr><td>", 
-        isPopup ? 75 : 100, boxed ?" width='100%'":"");
-
-char cartVar[1024];
 
 /* Data transform (log, autoscale or viewlimits) */
-puts("<div>");
+char cartVar[1024];
+puts("<p>");
 barChartUiViewTransform(cart, track, tdb);
-puts("</div>");
+puts("</p>");
+
+/* Maximum track height */
+puts("<p>");
+barChartUiMaxHeight(cart, track, tdb);
+puts("</p>");
 
 /* Category filter */
 printf("<br>");
 char *categoryLabel =  trackDbSettingClosestToHomeOrDefault(tdb, 
                     BAR_CHART_CATEGORY_LABEL, BAR_CHART_CATEGORY_LABEL_DEFAULT);
 char *db = cartString(cart, "db");
 struct barChartCategory *categs = barChartUiGetCategories(db, tdb);
 printf("<div><b>%s:</b>\n", categoryLabel);
 safef(cartVar, sizeof(cartVar), "%s.%s", track, BAR_CHART_CATEGORY_SELECT);
 if (isPopup)
     {
     printf("<a href='%s?g=%s'><button type='button'>Change</button><a>", 
                 hTrackUiForTrack(track), track);
     }
 else
     {
     jsMakeCheckboxGroupSetClearButton(cartVar, TRUE);
     puts("&nbsp;");
     jsMakeCheckboxGroupSetClearButton(cartVar, FALSE);
     }
 printf("</div>");
 struct slName *selectedValues = NULL;
 if (cartListVarExistsAnyLevel(cart, tdb, FALSE, BAR_CHART_CATEGORY_SELECT))
     selectedValues = cartOptionalSlNameListClosestToHome(cart, tdb, FALSE, BAR_CHART_CATEGORY_SELECT);
 makeCategoryCheckboxes(cartVar, categs, selectedValues);
-
-puts("\n</table>\n");
 cfgEndBox(boxed);
 }