display authors

src/main/java/ru/ulstu/paper/controller/PaperView.java

@@ -3,6 +3,8 @@ package ru.ulstu.paper.controller;
 import ru.ulstu.core.navigation.Page;
 import ru.ulstu.paper.model.Paper;
 import ru.ulstu.paper.service.PaperService;
+import ru.ulstu.user.model.User;
+import ru.ulstu.user.service.UserService;
 
 import javax.annotation.PostConstruct;
 import javax.faces.context.FacesContext;
@@ -19,6 +21,9 @@ public class PaperView {
     @Inject
     private PaperService paperService;
 
+    @Inject
+    private UserService userService;
+
     private Paper paper;
 
     @PostConstruct
@@ -44,6 +49,10 @@ public class PaperView {
         return Arrays.asList(Paper.PaperType.values());
     }
 
+    public List<User> getAuthors() {
+        return userService.findAll();
+    }
+
     public String save() {
         paperService.save(paper);
         return Page.PAPER_LIST;

src/main/java/ru/ulstu/user/controller/UserConverter.java

@@ -0,0 +1,26 @@
+package ru.ulstu.user.controller;
+
+import org.springframework.stereotype.Service;
+import ru.ulstu.user.model.User;
+import ru.ulstu.user.service.UserService;
+
+import javax.faces.component.UIComponent;
+import javax.faces.context.FacesContext;
+import javax.faces.convert.Converter;
+import javax.inject.Inject;
+
+@Service
+public class UserConverter implements Converter {
+    @Inject
+    private UserService userService;
+
+    @Override
+    public Object getAsObject(FacesContext context, UIComponent component, String value) {
+        return value == null ? null : userService.findById(Integer.valueOf(value));
+    }
+
+    @Override
+    public String getAsString(FacesContext context, UIComponent component, Object value) {
+        return ((User) value).getId().toString();
+    }
+}

src/main/resources/META-INF/resources/paper/paper.xhtml

@@ -32,6 +32,16 @@
                 <p:outputLabel for="@next" value="Комментарий:"/>
                 <p:textEditor widgetVar="editor2" value="#{paperView.paper.comment}" height="300"
                               style="margin-bottom:10px" placeholder="Комментарий"/>
+
+                <p:outputLabel for="@next" value="Авторы:"/>
+                <p:selectCheckboxMenu id="authors" value="#{paperView.paper.authors}" multiple="true"
+                                      converter="#{userConverter}">
+                    <f:attribute name="collectionType" value="java.util.HashSet"/>
+                    <f:selectItems value="#{paperView.authors}"
+                                   var="author"
+                                   itemLabel="#{author.userAbbreviate}"
+                                   itemValue="#{author}"/>
+                </p:selectCheckboxMenu>
             </h:panelGrid>
             <p:commandButton action="#{paperView.save}" value="Сохранить" ajax="true" process="@form"/>
         </p:panel>