From 0744a99fef288327b1cb1d7a7b4ccc1896bd91da Mon Sep 17 00:00:00 2001
From: Marc Dichmann <marc.dichmann@mpi-bn.mpg.de>
Date: Wed, 5 Sep 2018 13:46:09 +0200
Subject: [PATCH] add mediocre back button

---
 .../portal/portlet/ProjectBrowserPortlet.java | 79 ++++++++++++++++---
 .../components/DatasetComponent.java          |  2 +-
 2 files changed, 69 insertions(+), 12 deletions(-)

diff --git a/projectbrowser-portlet/src/main/java/life/qbic/portal/portlet/ProjectBrowserPortlet.java b/projectbrowser-portlet/src/main/java/life/qbic/portal/portlet/ProjectBrowserPortlet.java
index 4a19781..4cf089f 100644
--- a/projectbrowser-portlet/src/main/java/life/qbic/portal/portlet/ProjectBrowserPortlet.java
+++ b/projectbrowser-portlet/src/main/java/life/qbic/portal/portlet/ProjectBrowserPortlet.java
@@ -29,9 +29,13 @@
 import java.util.AbstractMap;
 import java.util.HashMap;
 import java.util.List;
+import java.util.Set;
+import java.util.Enumeration;
+import java.util.Collections;
 
 import javax.portlet.PortletSession;
 import javax.servlet.http.HttpServletResponse;
+import javax.servlet.http.HttpServletRequest;
 
 import com.liferay.portal.kernel.util.WebKeys;
 import com.liferay.portal.theme.ThemeDisplay;
@@ -41,6 +45,7 @@
 import com.vaadin.server.FontAwesome;
 import com.vaadin.server.ThemeResource;
 import com.vaadin.server.VaadinService;
+import com.vaadin.server.VaadinServletRequest;
 import com.vaadin.server.WrappedPortletSession;
 import com.vaadin.shared.ui.label.ContentMode;
 import com.vaadin.ui.Alignment;
@@ -53,7 +58,10 @@
 import com.vaadin.ui.UI;
 import com.vaadin.ui.VerticalLayout;
 import com.vaadin.ui.Window;
+import com.vaadin.ui.Notification;
 import com.vaadin.ui.themes.ValoTheme;
+import com.vaadin.navigator.ViewChangeListener;
+import com.vaadin.navigator.ViewChangeListener.ViewChangeEvent;
 
 import ch.systemsx.cisd.openbis.generic.shared.api.v1.dto.Project;
 import life.qbic.projectbrowser.controllers.*;
@@ -321,7 +329,7 @@ public GridLayout buildMainLayout(DataHandler datahandler, VaadinRequest request
       w.setSizeFull();
     }
 
-    mainLayout = new GridLayout(4, 3);
+    mainLayout = new GridLayout(5, 3);
     mainLayout.setResponsive(true);
     mainLayout.setWidth(100, Unit.PERCENTAGE);
 
@@ -390,22 +398,72 @@ public void buttonClick(ClickEvent event) {
     //EINGEFÜGT VON MARC
 
 
-    Button infoButton = new Button("URL");
+    Button backButton = new Button("Back");
+    backButton.setStyleName(ValoTheme.BUTTON_LARGE);
+    backButton.addStyleName(ValoTheme.BUTTON_BORDERLESS);
+
+      backButton.addClickListener(new ClickListener() {
+        @Override
+        public void buttonClick(ClickEvent event) {
+
+          String url = UI.getCurrent().getPage().getLocation().toString();
+          String[] urlSplitted = url.split("!");
+          if(urlSplitted.length > 1) {
+            String level = url.split("!")[1].split("/")[0];
+//            LOG.info(url);
+//            LOG.info(level);
+//            LOG.info(url.split("!")[1]);
+//            LOG.info(url.split("!")[1].split("/")[0]);
+
+            String[] urlSplits = url.split("/");
+            String lastSplit = urlSplits[urlSplits.length - 1];
+
+            String last = url.substring(url.lastIndexOf("/") + 1);
+
+            if (level.equals("experiment")) {
+
+              LOG.info("experiment if");
+              LOG.info(last + ": " + lastSplit);
+
+              navigator.navigateTo(ProjectView.navigateToLabel);
+            } else if (level.equals("project")) {
+              LOG.info("project if");
+              LOG.info(last + ": " + lastSplit);
+
+              navigator.navigateTo("");
+            } else {
+              LOG.info("not experiment or project");
+            }
+          }
+          else {
+            Notification.show("You are in the home screen\n" + url);
+          }
+
+        }
+      });
+
+
+    mainLayout.addComponent(backButton, 3, 0);
+
+
+    Button infoButton = new Button("Info");
     infoButton.setStyleName(ValoTheme.BUTTON_LARGE);
     infoButton.addStyleName(ValoTheme.BUTTON_BORDERLESS);
 
     infoButton.addClickListener(new ClickListener() {
       @Override
       public void buttonClick(ClickEvent event) {
-//        VaadinRequest vaadinRequest = VaadinService.getCurrentRequest();
-//        HttpServletRequest httpServletRequest = ((VaadinServletRequest)vaadinRequest).getHttpServletRequest();
-//        String requestUrl = httpServletRequest.getRequestURL().toString();
-//        LOG.info(requestUrl);
-        LOG.info("URL Button");
-      }
-    });
+        String url = UI.getCurrent().getPage().getLocation().toString();
+        LOG.info(url);
+        Enumeration attributes = getPortletSession().getAttributeNames();
+        LOG.info("Session Attributes");
+          for (String s : Collections.list(attributes))
+            LOG.info(s);
+        }
+      });
 
 
+    mainLayout.addComponent(infoButton, 4, 0);
 //    if()
 //    Button header2 = new Button(String.format("Current Project"))
 
@@ -416,8 +474,7 @@ public void buttonClick(ClickEvent event) {
     mainLayout.addComponent(header, 1, 0);
 
     mainLayout.addComponent(searchBarView, 2, 0);
-    // einfügt von marc
-    mainLayout.addComponent(infoButton, 3, 0);
+
 
     /*
      * VerticalLayout versionLayout = new VerticalLayout(); versionLayout.setWidth(100,
diff --git a/projectbrowser-portlet/src/main/java/life/qbic/projectbrowser/components/DatasetComponent.java b/projectbrowser-portlet/src/main/java/life/qbic/projectbrowser/components/DatasetComponent.java
index b236cc1..d7bf784 100644
--- a/projectbrowser-portlet/src/main/java/life/qbic/projectbrowser/components/DatasetComponent.java
+++ b/projectbrowser-portlet/src/main/java/life/qbic/projectbrowser/components/DatasetComponent.java
@@ -575,7 +575,7 @@ public void itemClick(ItemClickEvent event) {
                         if (visualize) {
                             // LOG.debug("Is resource null?: " + String.valueOf(res == null));
                             BrowserFrame frame = new BrowserFrame(datasetFileName, res);
-                            
+
                             subContent.addComponent(frame);