Added flyover popup for desktop user management contents

java/com.sap.sailing.gwt.ui/src/main/java/com/sap/sailing/gwt/home/shared/usermanagement/UserManagement.gss

@@ -0,0 +1,33 @@
+.flyover {
+    font-size: 1rem;
+    top: 4.666667em !important;
+    width: 100%;
+}
+
+.flyover_content {
+    width: 24.8em;
+    float: right;
+    padding: 1.333333333333333em;
+    background-color: #fff;
+    border-radius: .2em;
+    box-shadow: 0 0 .533333333333333em rgba(0,0,0,.15);
+    border: 1px solid rgba(0,0,0,.1);
+}
+
+.flyover_content:before {
+    content: '';
+    width: 1.333333333333333em;
+    height: 1.333333333333333em;
+    display: block;
+    background-color: #fff;
+    -webkit-transform: rotate(45deg);
+    -moz-transform: rotate(45deg);
+    -ms-transform: rotate(45deg);
+    transform: rotate(45deg);
+    margin: 0 1em 0 1.333333333333333em;
+    position: absolute;
+    top: -.666666666666667em;
+    right: 1.333333333333333em;
+    border-top: 1px solid rgba(0,0,0,.1);
+    border-left: 1px solid rgba(0,0,0,.1);
+}

java/com.sap.sailing.gwt.ui/src/main/java/com/sap/sailing/gwt/home/shared/usermanagement/UserManagementFlyover.java

@@ -0,0 +1,52 @@
+package com.sap.sailing.gwt.home.shared.usermanagement;
+
+import com.google.gwt.core.client.GWT;
+import com.google.gwt.dom.client.Element;
+import com.google.gwt.uibinder.client.UiBinder;
+import com.google.gwt.uibinder.client.UiField;
+import com.google.gwt.user.client.ui.AcceptsOneWidget;
+import com.google.gwt.user.client.ui.Composite;
+import com.google.gwt.user.client.ui.IsWidget;
+import com.google.gwt.user.client.ui.PopupPanel;
+import com.google.gwt.user.client.ui.SimplePanel;
+import com.google.gwt.user.client.ui.Widget;
+import com.sap.sailing.gwt.home.shared.usermanagement.UserManagementResources.LocalCss;
+
+public class UserManagementFlyover extends Composite implements AcceptsOneWidget {
+    
+    private static final LocalCss LOCAL_CSS = UserManagementResources.INSTANCE.css(); 
+    
+    interface UserManagementFlyoverUiBinder extends UiBinder<Widget, UserManagementFlyover> {
+    }
+    
+    private static UserManagementFlyoverUiBinder uiBinder = GWT.create(UserManagementFlyoverUiBinder.class);
+    
+    private final PopupPanel popupPanel = new PopupPanel(true, false);
+    
+    @UiField SimplePanel contentContainerUi;
+
+    public UserManagementFlyover(Element autoHidePartner) {
+        LOCAL_CSS.ensureInjected();
+        popupPanel.addStyleName(LOCAL_CSS.flyover());
+        popupPanel.addAutoHidePartner(autoHidePartner);
+        popupPanel.setWidget(uiBinder.createAndBindUi(this));
+    }
+    
+    @Override
+    public void setWidget(IsWidget w) {
+        contentContainerUi.setWidget(w);
+    }
+    
+    public void show() {
+        popupPanel.show();
+    }
+    
+    public void hide() {
+        popupPanel.hide();
+    }
+    
+    public boolean isShowing() {
+        return popupPanel.isShowing();
+    }
+
+}

java/com.sap.sailing.gwt.ui/src/main/java/com/sap/sailing/gwt/home/shared/usermanagement/UserManagementFlyover.ui.xml

@@ -0,0 +1,12 @@
+<!DOCTYPE ui:UiBinder SYSTEM "http://dl.google.com/gwt/DTD/xhtml.ent">
+<ui:UiBinder xmlns:ui="urn:ui:com.google.gwt.uibinder" xmlns:g="urn:import:com.google.gwt.user.client.ui"
+        xmlns:s="urn:import:com.sap.sailing.gwt.home.client.shared">
+	<ui:with field="i18n" type="com.sap.sailing.gwt.ui.client.StringMessages" />
+	<ui:with field="res" type="com.sap.sailing.gwt.common.client.SharedResources" />
+	<ui:with field="local_res" type="com.sap.sailing.gwt.home.shared.usermanagement.UserManagementResources" />
+	<g:HTMLPanel addStyleNames="{res.mediaCss.grid}">
+        <div class="{res.mediaCss.column} {res.mediaCss.small12}">
+            <g:SimplePanel addStyleNames="{local_res.css.flyover_content}" ui:field="contentContainerUi"/>
+        </div>	
+	</g:HTMLPanel>
+</ui:UiBinder>

java/com.sap.sailing.gwt.ui/src/main/java/com/sap/sailing/gwt/home/shared/usermanagement/UserManagementResources.java

@@ -0,0 +1,19 @@
+package com.sap.sailing.gwt.home.shared.usermanagement;
+
+import com.google.gwt.core.client.GWT;
+import com.google.gwt.resources.client.ClientBundle;
+import com.google.gwt.resources.client.CssResource;
+
+public interface UserManagementResources extends ClientBundle {
+    
+    public static final UserManagementResources INSTANCE = GWT.create(UserManagementResources.class);
+
+    @Source("UserManagement.gss")
+    LocalCss css();
+
+    public interface LocalCss extends CssResource {
+        String flyover();
+        String flyover_content();
+    }
+    
+}