confirm delete

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

@@ -16,8 +16,15 @@
                     <p:commandButton value="Удалить выделенные" id="papersRemoveButton"
                                      disabled="#{papersView.selectedPapers.isEmpty()}"
                                      action="#{papersView.deleteSelected}" ajax="true" process="@form"
-                                     update="messages @form"/>
+                                     update="messages @form">
+                        <p:confirm header="Подтверждение" message="Удалить выделенные статьи?"
+                                   icon="pi pi-exclamation-triangle"/>
+                    </p:commandButton>
                 </div>
+                <p:confirmDialog global="true" showEffect="fade" hideEffect="fade">
+                    <p:commandButton value="Да" type="button" styleClass="ui-confirmdialog-yes" icon="pi pi-check"/>
+                    <p:commandButton value="Нет" type="button" styleClass="ui-confirmdialog-no" icon="pi pi-times"/>
+                </p:confirmDialog>
 
                 <div class="ui-md-5 ui-g-12">
                     <p:inputText placeholder="Создать новую статью" value="#{papersView.newPaperTitle}"/>