Disable transparency on png

Author: Mark Robinson

src/main/java/org/commonwl/viewer/services/DotWriter.java

@@ -57,7 +57,7 @@ public void writeGraph(Workflow workflow) throws IOException {
 
         // Overall graph style
         writeLine("  graph [");
-        writeLine("    bgcolor = \"transparent\"");
+        writeLine("    bgcolor = \"#eeeeee\"");
         writeLine("    color = \"black\"");
         writeLine("    fontsize = \"10\"");
         writeLine("    labeljust = \"left\"");

src/main/java/org/commonwl/viewer/services/WorkflowRepository.java

@@ -33,7 +33,6 @@ public interface WorkflowRepository extends PagingAndSortingRepository<Workflow,
     // Finds a workflow model in the database based on where it was retrieved from
     Workflow findByRetrievedFrom(GithubDetails retrievedFrom);
 
-    // Get the first 10 workflows
     Page<Workflow> findAllByOrderByRetrievedOnDesc(Pageable pageable);
 
 }

src/main/java/org/commonwl/viewer/web/WorkflowController.java

@@ -137,7 +137,8 @@ public ModelAndView newWorkflowFromGithubURL(@Valid WorkflowForm workflowForm, B
      * @return The workflow view with the workflow as a model
      */
     @RequestMapping(value="/workflows/github.com/{owner}/{repoName}/tree/{branch}/**")
-    public ModelAndView getWorkflowByGithubDetails(@PathVariable("owner") String owner,
+    public ModelAndView getWorkflowByGithubDetails(@Value("${applicationURL}") String applicationURL,
+                                                   @PathVariable("owner") String owner,
                                                    @PathVariable("repoName") String repoName,
                                                    @PathVariable("branch") String branch,
                                                    HttpServletRequest request) {
@@ -181,7 +182,7 @@ public ModelAndView getWorkflowByGithubDetails(@PathVariable("owner") String own
         }
 
         // Display this model along with the view
-        return new ModelAndView("workflow", "workflow", workflowModel);
+        return new ModelAndView("workflow", "workflow", workflowModel).addObject("appURL", applicationURL);
 
     }
 
@@ -239,7 +240,8 @@ public FileSystemResource getGraphAsSvg(@Value("${graphvizStorage}") String grap
             gv.decreaseDpi();
             gv.decreaseDpi();
             gv.decreaseDpi();
-            gv.writeGraphToFile(gv.getGraph(workflowModel.getDotGraph(), "svg", "dot"), out.getAbsolutePath());
+            gv.writeGraphToFile(gv.getGraph(workflowModel.getDotGraph()
+                    .replace("bgcolor = \"#eeeeee\"", "bgcolor = \"transparent\""), "svg", "dot"), out.getAbsolutePath());
         }
 
         // Output the graph image