Add editing capabilities

6 files changed, 307 insertions, 107 deletions

diff --git a/WebContent/pages/categories.xhtml b/WebContent/pages/categories.xhtml
index cb6ef27..7c3ecac 100644
--- a/WebContent/pages/categories.xhtml
+++ b/WebContent/pages/categories.xhtml
@@ -43,17 +43,19 @@
 					<f:param name="selectedId" value="#{category.id}" />
 				</h:commandLink>
 			</h:column>
-			<c:if test="#{UserManager.loggedIn}">
-				<h:column>
-					<f:facet name="header">
-						<h:outputText value="" />
-					</f:facet>
-					<h:commandLink value="Edit Details ..." immediate="true" action="category">
-					<f:param name="selectedId" value="#{category.id}" />
-				</h:commandLink>
-				</h:column>
-			</c:if>
+			<h:column rendered="#{UserManager.loggedIn}">
+				<f:facet name="header">
+					<h:outputText value="" />
+				</f:facet>
+				<h:commandLink value="Edit" immediate="true"
+				actionListener="#{CategoryManager.edit}" action="edit">
+				<f:param name="selectedId" value="#{category.id}" />
+			</h:commandLink>
+			</h:column>
 			</h:dataTable>
+			<h:commandLink rendered="#{UserManager.loggedIn}" disabled="#{not UserManager.loggedIn}" value="New Category" immediate="true"
+					actionListener="#{CategoryManager.createCategory}" action="createCategory">
+			</h:commandLink>
 			</h:form>
 		</ui:define>
 		
diff --git a/WebContent/pages/category.xhtml b/WebContent/pages/category.xhtml
index 4a5ea10..7d6f43a 100644
--- a/WebContent/pages/category.xhtml
+++ b/WebContent/pages/category.xhtml
@@ -13,7 +13,25 @@
 		<ui:define name="pageHeader">JCatalog Application</ui:define>
 	
 		<ui:define name="body">
-			<h2>Welcome to the JCatalog Demo Application <h:outputText id="category" value="#{CategoryManager.current.name}" /></h2>
+			<div style="width: 500px; padding: 5px; margin: 0px auto; float: left;">
+			<h:form>
+				<div class="row">
+					<label for="name">Name:</label>
+					<span class="formw"><h:inputText id="name" disabled="#{not UserManager.loggedIn}" value="#{CategoryManager.current.name}" accesskey="n" size="40" /></span>
+				</div>
+				<div class="row">
+					<label for="description">Description:</label>
+					<span class="formw"><h:inputTextarea rows="20" cols="40" id="description" disabled="#{not UserManager.loggedIn}" value="#{CategoryManager.current.description}" accesskey="d" /></span>
+				</div>
+				<div class="row">
+					<span class="formw">
+						<h:commandButton action="categories" id="back" value="Back" type="submit" accesskey="b" />
+						<h:commandButton action="#{CategoryManager.saveCategory}" rendered="#{UserManager.loggedIn}" disabled="#{not UserManager.loggedIn}" id="save" value="Save" type="submit" accesskey="s" />
+					</span>
+				</div>
+				<div class="spacer" />
+			</h:form>
+			</div>
 		</ui:define>
 		
 		<ui:define name="pageFooter">JCatalog Footer</ui:define>
diff --git a/WebContent/pages/product.xhtml b/WebContent/pages/product.xhtml
index 84b49f6..d5f3f41 100644
--- a/WebContent/pages/product.xhtml
+++ b/WebContent/pages/product.xhtml
@@ -17,19 +17,20 @@
 		<h:form>
 			<div class="row">
 				<label for="name">Name:</label>
-				<span class="formw"><h:inputText id="name" disabled="true" value="#{ProductManager.current.name}" accesskey="n" size="40" /></span>
+				<span class="formw"><h:inputText id="name" disabled="#{not UserManager.loggedIn}" value="#{ProductManager.current.name}" accesskey="n" size="40" /></span>
 			</div>
 			<div class="row">
 				<label for="price">Price:</label>
-				<span class="formw"><h:inputText id="price" disabled="true" value="#{ProductManager.current.price}" accesskey="p" size="40" /></span>
+				<span class="formw"><h:inputText id="price" disabled="#{not UserManager.loggedIn}" value="#{ProductManager.current.price}" accesskey="p" size="40" /></span>
 			</div>
 			<div class="row">
 				<label for="description">Description:</label>
-				<span class="formw"><h:inputTextarea rows="20" cols="40" id="description" disabled="true" value="#{ProductManager.current.description}" accesskey="d" /></span>
+				<span class="formw"><h:inputTextarea rows="20" cols="40" id="description" disabled="#{not UserManager.loggedIn}" value="#{ProductManager.current.description}" accesskey="d" /></span>
 			</div>
 			<div class="row">
 				<span class="formw">
 					<h:commandButton action="products" id="back" value="Back" type="submit" accesskey="b" />
+					<h:commandButton action="#{ProductManager.saveCurrentProduct}" rendered="#{UserManager.loggedIn}" disabled="#{not UserManager.loggedIn}" id="save" value="Save" type="submit" accesskey="s" />
 				</span>
 			</div>
 			<div class="spacer" />
diff --git a/WebContent/pages/products.xhtml b/WebContent/pages/products.xhtml
index 1b5e5e4..8050c30 100644
--- a/WebContent/pages/products.xhtml
+++ b/WebContent/pages/products.xhtml
@@ -50,8 +50,22 @@
 					<f:param name="selectedId" value="#{product.id}" />
 				</h:commandLink>
 			</h:column>
+			<h:column rendered="#{UserManager.loggedIn}">
+				<f:facet name="header">
+					<h:outputText value="" />
+				</f:facet>
+				<h:commandLink  rendered="#{UserManager.loggedIn}" disabled="#{not UserManager.loggedIn}" 
+				value="remove" immediate="true"	actionListener="#{ProductManager.deleteProduct}" action="deleteProduct">
+					<f:param name="selectedId" value="#{product.id}" />
+				</h:commandLink>
+			</h:column>
 			</h:dataTable>
-			
+			<h:commandLink rendered="#{UserManager.loggedIn}" value="New Product" immediate="true"
+				actionListener="#{ProductManager.newProduct}" action="newProduct">
+			</h:commandLink>
+			<h:commandLink rendered="#{UserManager.loggedIn}" disabled="#{!UserManager.loggedIn}" value="Delete Category"  immediate="true"
+				actionListener="#{CategoryManager.deleteCurrentCategory}" action="deleteCurrentCategory">
+			</h:commandLink>
 			</h:form>
 		</ui:define>
 		
diff --git a/src/beans/CategoryManager.java b/src/beans/CategoryManager.java
index 005b399..cfa8bba 100644
--- a/src/beans/CategoryManager.java
+++ b/src/beans/CategoryManager.java
@@ -24,66 +24,147 @@ import jpa.EntityManagerFactorySingleton;
 
 @ManagedBean(name = "CategoryManager")
 @SessionScoped
-public class CategoryManager
-{
-   private Category current;
+public class CategoryManager {
+	private Category current;
 
-   public Category getCurrent()
-   {
-      return current;
-   }
+	public Category getCurrent() {
+		return current;
+	}
 
-   public void setCurrent(Category current)
-   {
-      this.current = current;
-   }
+	public void setCurrent(Category current) {
+		this.current = current;
+	}
 
-   public Collection getCategories()
-   {
-      EntityManager manager = EntityManagerFactorySingleton.getInstance()
-            .getEntityManagerFactory().createEntityManager();
+	public Collection getCategories() {
+		EntityManager manager = EntityManagerFactorySingleton.getInstance().getEntityManagerFactory()
+				.createEntityManager();
 
-      Collection categories = manager.createQuery("SELECT c FROM Category c ")
-            .getResultList();
-      manager.close();
+		Collection categories = manager.createQuery("SELECT c FROM Category c ").getResultList();
+		manager.close();
 
-      return categories;
-   }
+		return categories;
+	}
 
-   public void select(javax.faces.event.ActionEvent actionEvent)
-   {
-      FacesContext facesContext = FacesContext.getCurrentInstance();
-      Map params = facesContext.getExternalContext().getRequestParameterMap();
-      Integer selectedId = Integer.valueOf((String) params.get("selectedId"));
-      // System.out.println(selectedId);
+	public void select(javax.faces.event.ActionEvent actionEvent) {
+		FacesContext facesContext = FacesContext.getCurrentInstance();
+		Map params = facesContext.getExternalContext().getRequestParameterMap();
+		Integer selectedId = Integer.valueOf((String) params.get("selectedId"));
+		// System.out.println(selectedId);
 
-      EntityManager manager = EntityManagerFactorySingleton.getInstance()
-            .getEntityManagerFactory().createEntityManager();
+		EntityManager manager = EntityManagerFactorySingleton.getInstance().getEntityManagerFactory()
+				.createEntityManager();
 
-      EntityTransaction tx = manager.getTransaction();
-      tx.begin();
-      try
-      {
-         current = manager.find(Category.class, selectedId);
-         // System.out.println(current.getName());
-         tx.commit();
-      }
-      catch (Exception ex)
-      {
-         ex.printStackTrace(System.err);
-         tx.rollback();
-      }
+		EntityTransaction tx = manager.getTransaction();
+		tx.begin();
+		try {
+			current = manager.find(Category.class, selectedId);
+			// System.out.println(current.getName());
+			tx.commit();
+		} catch (Exception ex) {
+			ex.printStackTrace(System.err);
+			tx.rollback();
+		}
 
-      FacesContext context = FacesContext.getCurrentInstance();
-      try
-      {
-         context.getExternalContext().redirect("products.jsf");
-      }
-      catch (IOException e)
-      {
-         e.printStackTrace();
-      }
-      context.responseComplete();
-      manager.close();
-   }
+		FacesContext context = FacesContext.getCurrentInstance();
+		try {
+			context.getExternalContext().redirect("products.jsf");
+		} catch (IOException e) {
+			e.printStackTrace();
+		}
+		context.responseComplete();
+		manager.close();
+	}
+
+	public void edit(javax.faces.event.ActionEvent actionEvent) {
+		FacesContext context = FacesContext.getCurrentInstance();
+		Map<String, String> params = context.getExternalContext().getRequestParameterMap();
+		Integer selectedId = Integer.valueOf((String) params.get("selectedId"));
+		// System.out.println(selectedId);
+
+		EntityManager manager = EntityManagerFactorySingleton.getInstance().getEntityManagerFactory()
+				.createEntityManager();
+
+		EntityTransaction tx = manager.getTransaction();
+		tx.begin();
+		try {
+			current = manager.find(Category.class, selectedId);
+			// System.out.println(current.getName());
+			tx.commit();
+		} catch (Exception ex) {
+			ex.printStackTrace(System.err);
+			tx.rollback();
+		}
+
+		try {
+			context.getExternalContext().redirect("category.jsf");
+		} catch (IOException e) {
+			e.printStackTrace();
+		}
+		context.responseComplete();
+	}
+
+	public void deleteCurrentCategory(javax.faces.event.ActionEvent actionEvent) {
+		FacesContext context = FacesContext.getCurrentInstance();
+
+		EntityManager manager = EntityManagerFactorySingleton.getInstance().getEntityManagerFactory()
+				.createEntityManager();
+		EntityTransaction tx = manager.getTransaction();
+		tx.begin();
+		try {
+			current = manager.find(Category.class, current.getId());
+			manager.remove(current);
+			current = null;
+
+			tx.commit();
+		} catch (Exception ex) {
+			ex.printStackTrace(System.err);
+			if (tx.isActive())
+				tx.rollback();
+		}
+
+		try {
+			context.getExternalContext().redirect("categories.jsf");
+		} catch (IOException e) {
+			e.printStackTrace();
+		}
+		context.responseComplete();
+	}
+
+	public void createCategory() {
+		current = new Category();
+
+		FacesContext context = FacesContext.getCurrentInstance();
+
+		try {
+			context.getExternalContext().redirect("category.jsf");
+		} catch (IOException e) {
+			e.printStackTrace();
+		}
+		context.responseComplete();
+	}
+
+	public void saveCategory() {
+		EntityManager manager = EntityManagerFactorySingleton.getInstance().getEntityManagerFactory()
+				.createEntityManager();
+
+		EntityTransaction tx = manager.getTransaction();
+		try {
+			tx.begin();
+			current = manager.merge(current);
+
+			tx.commit();
+		} catch (Exception ex) {
+			ex.printStackTrace(System.err);
+			tx.rollback();
+		}
+
+		FacesContext context = FacesContext.getCurrentInstance();
+
+		try {
+			context.getExternalContext().redirect("categories.jsf");
+		} catch (IOException e) {
+			e.printStackTrace();
+		}
+		context.responseComplete();
+	}
 }
diff --git a/src/beans/ProductManager.java b/src/beans/ProductManager.java
index 4910fff..b9e5bfb 100644
--- a/src/beans/ProductManager.java
+++ b/src/beans/ProductManager.java
@@ -17,56 +17,140 @@ import javax.faces.bean.SessionScoped;
 import javax.faces.context.FacesContext;
 import javax.persistence.EntityManager;
 import javax.persistence.EntityTransaction;
+import javax.servlet.http.HttpSession;
 
+import jpa.Category;
 import jpa.EntityManagerFactorySingleton;
 import jpa.Product;
 
 @ManagedBean(name = "ProductManager")
 @SessionScoped
-public class ProductManager
-{
-   private Product current;
+public class ProductManager {
+	private Product current;
 
-   public Product getCurrent()
-   {
-      return current;
-   }
+	public Product getCurrent() {
+		return current;
+	}
 
-   public void select(javax.faces.event.ActionEvent actionEvent)
-   {
-      FacesContext facesContext = FacesContext.getCurrentInstance();
-      Map params = facesContext.getExternalContext().getRequestParameterMap();
-      int selectedId = Integer.valueOf((String) params.get("selectedId"), 10);
-      // System.out.println(selectedId);
+	public void select(javax.faces.event.ActionEvent actionEvent) {
+		FacesContext context = FacesContext.getCurrentInstance();
+		Map params = context.getExternalContext().getRequestParameterMap();
+		int selectedId = Integer.valueOf((String) params.get("selectedId"), 10);
+		// System.out.println(selectedId);
 
-      EntityManager manager = EntityManagerFactorySingleton.getInstance()
-            .getEntityManagerFactory().createEntityManager();
+		EntityManager manager = EntityManagerFactorySingleton.getInstance().getEntityManagerFactory()
+				.createEntityManager();
 
-      EntityTransaction tx = manager.getTransaction();
-      tx.begin();
-      try
-      {
-         current = manager.find(Product.class, selectedId);
+		EntityTransaction tx = manager.getTransaction();
+		tx.begin();
+		try {
+			current = manager.find(Product.class, selectedId);
 
-         tx.commit();
-      }
-      catch (Exception ex)
-      {
-         ex.printStackTrace(System.err);
-         tx.rollback();
-      }
+			tx.commit();
+		} catch (Exception ex) {
+			ex.printStackTrace(System.err);
+			tx.rollback();
+		}
 
-      FacesContext context = FacesContext.getCurrentInstance();
-      try
-      {
-         context.getExternalContext().redirect("product.jsf");
-      }
-      catch (IOException e)
-      {
-         e.printStackTrace();
-      }
-      context.responseComplete();
-      manager.close();
-   }
+		try {
+			context.getExternalContext().redirect("product.jsf");
+		} catch (IOException e) {
+			e.printStackTrace();
+		}
+		context.responseComplete();
+		manager.close();
+	}
 
+	public void saveCurrentProduct() {
+		FacesContext context = FacesContext.getCurrentInstance();
+
+		EntityManager manager = EntityManagerFactorySingleton.getInstance().getEntityManagerFactory()
+				.createEntityManager();
+
+		EntityTransaction tx = manager.getTransaction();
+		HttpSession session = (HttpSession) FacesContext.getCurrentInstance().getExternalContext().getSession(false);
+		CategoryManager cm = (CategoryManager) session.getAttribute("CategoryManager");
+		try {
+			tx.begin();
+
+			current = manager.merge(current);
+			cm.setCurrent(manager.find(Category.class, cm.getCurrent().getId()));
+
+			Category cat = manager.find(Category.class, cm.getCurrent().getId());
+			cat.getProducts().add(current);
+
+			manager.merge(cat);
+			cm.setCurrent(manager.find(Category.class, cm.getCurrent().getId()));
+
+			tx.commit();
+		} catch (Exception ex) {
+			ex.printStackTrace(System.err);
+			if (tx.isActive()) {
+				tx.rollback();
+			}
+		}
+
+		try {
+			context.getExternalContext().redirect("products.jsf");
+		} catch (IOException e) {
+			e.printStackTrace();
+		}
+		context.responseComplete();
+		manager.close();
+	}
+
+	public void newProduct() {
+		current = new Product();
+
+		FacesContext context = FacesContext.getCurrentInstance();
+
+		try {
+			context.getExternalContext().redirect("product.jsf");
+		} catch (IOException e) {
+			e.printStackTrace();
+		}
+		context.responseComplete();
+	}
+
+	public void deleteProduct(javax.faces.event.ActionEvent actionEvent) {
+
+		FacesContext context = FacesContext.getCurrentInstance();
+		Map params = context.getExternalContext().getRequestParameterMap();
+		int selectedId = Integer.valueOf((String) params.get("selectedId"), 10);
+		// System.out.println(selectedId);
+
+		EntityManager manager = EntityManagerFactorySingleton.getInstance().getEntityManagerFactory()
+				.createEntityManager();
+		HttpSession session = (HttpSession) FacesContext.getCurrentInstance().getExternalContext().getSession(false);
+		CategoryManager cm = (CategoryManager) session.getAttribute("CategoryManager");
+
+		EntityTransaction tx = manager.getTransaction();
+		tx.begin();
+		try {
+			current = manager.find(Product.class, selectedId);
+			Category ca = manager.find(Category.class, cm.getCurrent().getId());
+
+			ca.getProducts().remove(current);
+			manager.merge(ca);
+
+			if (current.getCategories().isEmpty()) {
+				manager.remove(current);
+				current = null;
+			}
+
+			cm.setCurrent(manager.find(Category.class, cm.getCurrent().getId()));
+			tx.commit();
+		} catch (Exception ex) {
+			ex.printStackTrace(System.err);
+			tx.rollback();
+		}
+
+		try {
+			context.getExternalContext().redirect("products.jsf");
+		} catch (IOException e) {
+			e.printStackTrace();
+		}
+		context.responseComplete();
+		manager.close();
+	}
 }