Add an example of a single view and openui5 dark theme

Author: alja

tutorials/visualisation/eve7/single_dark.C

@@ -0,0 +1,78 @@
+
+
+#include "TRandom.h"
+#include <ROOT/REveElement.hxx>
+#include <ROOT/REveScene.hxx>
+#include <ROOT/REveManager.hxx>
+#include <ROOT/REveJetCone.hxx>
+#include <ROOT/RWebDisplayArgs.hxx>
+#include <ROOT/RWebWindow.hxx>
+
+
+const Double_t kR_min = 240;
+const Double_t kR_max = 250;
+const Double_t kZ_d = 300;
+
+using namespace ROOT::Experimental;
+
+void makeJets(int N_Jets, REveElement *jetHolder)
+{
+   TRandom &r = *gRandom;
+
+   for (int i = 0; i < N_Jets; i++) {
+      auto jet = new REveJetCone(Form("Jet_%d", i));
+      jet->SetCylinder(2 * kR_max, 2 * kZ_d);
+      jet->AddEllipticCone(r.Uniform(-0.5, 0.5), r.Uniform(0, TMath::TwoPi()), 0.1, 0.2);
+      jet->SetFillColor(kPink - 8);
+      jet->SetLineColor(kViolet - 7);
+
+      jetHolder->AddElement(jet);
+   }
+}
+
+void single_dark()
+{
+   auto eveMng = REveManager::Create();
+   eveMng->AllowMultipleRemoteConnections(false, false);
+
+   // openui5 theme
+   gEnv->SetValue("WebGui.DarkMode", "yes");
+
+   // default viewer, event scene
+   eveMng->GetDefaultViewer()->SetBlackBackground(true);
+   REveElement *jetHolder = new REveElement("Jets");
+   eveMng->GetEventScene()->AddElement(jetHolder);
+   makeJets(7, jetHolder);
+
+   // projected view
+   auto view = eveMng->SpawnNewViewer("RPhiView", "");
+   view->SetBlackBackground(true);
+   view->SetCameraType(REveViewer::kCameraOrthoXOY);
+   auto eventScene = eveMng->SpawnNewScene("RPZScene");
+   view->AddScene(eventScene);
+   view->SetMandatory(false);
+
+   auto mngRhoZ = new REveProjectionManager(REveProjection::kPT_RhoZ);
+   mngRhoZ->ImportElements(jetHolder, eventScene);
+
+   auto text = new REveText();
+   text->SetText("Single View");
+   text->SetTextColor(kWhite);
+   text->SetPosition(REveVector(0.02, 0.9, 0.2));
+   text->SetFontSize(0.05);
+   text->SetFont("LiberationSerif-Regular");
+   text->SetFillAlpha(228);
+   std::string rf_dir = gSystem->ExpandPathName("${ROOTSYS}/fonts/");
+   text->AssertSdfFont("LiberationSerif-Regular", rf_dir + "LiberationSerif-Regular.ttf");
+   eventScene->AddElement(text);
+
+   // append ?Single=RPhiView"
+   std::string url = eveMng->GetWebWindow()->GetUrl();
+   url += "?Single=RPhiView";
+   std::cout << "Single view URL" << url << "\n";
+   ROOT::RWebDisplayArgs args;
+   args.SetUrlOpt("Single=RPhiView");
+
+   eveMng->GetWebWindow()->Show();
+   eveMng->GetWebWindow()->Show(args);
+}

ui5/eve7/controller/MainMini.controller.js

@@ -42,11 +42,15 @@ sap.ui.define(['rootui5/eve7/controller/Main.controller','sap/ui/core/Component'
          if (staged.length == 0) return;
 
          let vMenu = this.getView().byId("menuViewId");
-
-         for (let n=0;n<staged.length;++n) {
+         for (let n = 0; n < staged.length; ++n) {
             let eveView = staged[n];
+
             eveView.$view_created = true;
-            if(eveView.subscribed) this.makeEveViewController(eveView);
+
+            if (eveView.subscribed)
+               this.makeEveViewController(eveView);
+            else
+               this.subscribeView(eveView);
          }
       },
 
@@ -92,7 +96,15 @@ sap.ui.define(['rootui5/eve7/controller/Main.controller','sap/ui/core/Component'
 
       onEveManagerInit: function() {
          this.updateViewers();
-      },
+      }, 
+      
+      subscribeView: function(viewer)
+      {
+         viewer.subscribed = true;
+         viewer.pendInstance = true;
+         this.mgr.SendMIR("ConnectClient()", viewer.fElementId, "ROOT::Experimental::REveViewer");
+      }
+
 
    });
 });