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PO<h:dataTable> and SessionScoped beans
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  1. PO<h:dataTable> and SessionScoped beans
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    copied!<p>Problem: searching for some more suitable design . </p> <p>Goal: I want to have table of some user information and with button "change password" in column for each user, after click : "change password" button disappeared (rendered ="false") and a inputSecreat field appeared - user entering the password and submitting it (by clicking some additional button or by hotkey ). after submit - "change password" button papered as before.</p> <p>my bean</p> <pre><code>import javax.annotation.PostConstruct; import javax.ejb.EJB; import javax.faces.bean.SessionScoped; import javax.faces.context.ExternalContext; import javax.faces.context.FacesContext; import javax.inject.Inject; import javax.inject.Named; import javax.servlet.http.HttpServletRequest; import java.io.Serializable; import java.util.HashMap; /** * &lt;p&gt;Type: UserSession * &lt;p&gt;User: kislo_metal * &lt;p&gt;Date: Jun 21, 2010 * &lt;p&gt;Time: 4:41:57 PM */ @Named @SessionScoped public class UserSession implements Serializable { private String name; private String role; @Inject private org.slf4j.Logger log; @EJB private PersistenceService pservice; @Inject private RulesBean rules; private HashMap&lt;Long, Boolean&gt; boolHashmap; public UserSession() { } @PostConstruct public void postConstruct() { log.info("session init "); } public String getName() { if (name == null) getUserData(); return name == null ? "" : name; } public String getRole() { return role == null ? "" : role; } public void setRole(String newValue) { role = newValue; } public boolean isInRole() { ExternalContext context = FacesContext.getCurrentInstance().getExternalContext(); Object requestObject = context.getRequest(); if (!(requestObject instanceof HttpServletRequest)) { log.info("request object has type " + requestObject.getClass()); return false; } HttpServletRequest request = (HttpServletRequest) requestObject; return request.isUserInRole(role); } private void getUserData() { ExternalContext context = FacesContext.getCurrentInstance().getExternalContext(); Object requestObject = context.getRequest(); if (!(requestObject instanceof HttpServletRequest)) { log.info("request object has type " + requestObject.getClass()); return; } HttpServletRequest request = (HttpServletRequest) requestObject; name = request.getRemoteUser(); } public HashMap getBoolHashmap() { if (boolHashmap == null) initBolHashMap(); return boolHashmap; } public void setBoolHashmap(HashMap&lt;Long, Boolean&gt; boolHashmap) { this.boolHashmap = boolHashmap; } public void initBolHashMap() { this.boolHashmap = new HashMap&lt;Long, Boolean&gt;(); System.out.println(""); log.info("init map.."); log.info("loding list"); log.warn("user name = " + rules.getUserPrincipalName()); for (OasysUserEntity user : pservice.getUsersList(pservice.getUserByLogin(rules.getUserPrincipalName()).getPartnerid())) { boolHashmap.put(user.getId(), false); log.info("map =" + boolHashmap); } log.info("loaded list"); } public boolean getPWRender(long id) { if (boolHashmap == null) initBolHashMap(); //TODO if it null - exception will be thrown try { log.info("getting id =" + id); log.info("map is =" + boolHashmap); log.info("getting result = =" + boolHashmap.get(id)); log.info("getting result = =" + boolHashmap.get(Long.valueOf(id))); return boolHashmap.get(Long.valueOf(id)); } catch (NullPointerException e) { e.printStackTrace(); return false; } } public void setPWrenerTrue(long id) { if (boolHashmap == null) initBolHashMap(); log.info("setPWrenerTrue id =" + id); boolHashmap.put(id, true); log.info("setPWrenerTrue map is =" + boolHashmap); } } </code></pre> <p>and page:</p> <pre><code>&lt;!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"&gt; &lt;html xmlns="http://www.w3.org/1999/xhtml" xmlns:ui="http://java.sun.com/jsf/facelets" xmlns:h="http://java.sun.com/jsf/html" xmlns:f="http://java.sun.com/jsf/core" xmlns:cc="http://java.sun.com/jsf/composite" xmlns:p="http://primefaces.prime.com.tr/ui" &gt; &lt;body&gt; &lt;cc:interface&gt; &lt;/cc:interface&gt; &lt;cc:implementation&gt; #{i18n.user_managment_title} &lt;h:form&gt; &lt;!--&lt;f:ajax render="@form" execute="@form"&gt;--&gt; &lt;h:dataTable id="userTable" var="puser" value="#{userTable.uList}" border="1"&gt; &lt;h:column&gt; &lt;f:facet name="header"&gt; &lt;h:outputText value="Login"/&gt; &lt;/f:facet&gt; #{puser.login} &lt;/h:column&gt; &lt;h:column&gt; &lt;f:facet name="header"&gt; &lt;h:outputText value="password"/&gt; &lt;/f:facet&gt; &lt;h:panelGroup&gt; &lt;!--#{puser.password} --&gt; &lt;h:commandButton id="chps" value="#{i18n.chpsqd_button}" rendered="#{!userSession.getPWRender(puser.id)}" action="#{userSession.setPWrenerTrue(puser.id)}"&gt; &lt;f:ajax render="pswd chps"/&gt; &lt;/h:commandButton&gt; &lt;h:inputSecret id="pswd" rendered="#{userSession.getPWRender(puser.id)}" value="some"/&gt; &lt;!--&lt;h:inputSecret id="chpaswd" value="#{managePUser.password}"&gt;--&gt; &lt;!--&lt;f:ajax event="click" render="chpaswd"/&gt;--&gt; &lt;!--&lt;/h:inputSecret&gt;--&gt; &lt;!--&lt;h:commandButton value="#{i18n.submit_button}"&gt;--&gt; &lt;!--&lt;/h:commandButton&gt;--&gt; &lt;/h:panelGroup&gt; &lt;/h:column&gt; &lt;h:column&gt; &lt;f:facet name="header"&gt; &lt;h:outputText value="pId"/&gt; &lt;/f:facet&gt; #{puser.partnerid} &lt;/h:column&gt; &lt;h:column&gt; &lt;f:facet name="header"&gt; &lt;h:outputText value="groupName"/&gt; &lt;/f:facet&gt; #{puser.groupName} &lt;/h:column&gt; &lt;h:column&gt; &lt;f:facet name="header"&gt; &lt;h:outputText value="isActive"/&gt; &lt;/f:facet&gt; #{puser.userStatusid==2} &lt;/h:column&gt; &lt;h:column&gt; &lt;h:commandButton value="#{i18n.delete_button}" action="#{managePUser.removeEntity(puser)}" disabled="#{puser.groupName.equals('admin')}"&gt; &lt;f:ajax render="@form"/&gt; &lt;/h:commandButton&gt; &lt;/h:column&gt; &lt;!--&lt;h:column&gt;--&gt; &lt;!----&gt; &lt;!--&lt;h:commandButton value="#{i18n.edit_button}" action="#{managePUser.removeEntity(puser)}"/&gt;--&gt; &lt;!--&lt;/h:column&gt;--&gt; &lt;f:facet name="footer"&gt; &lt;!--&lt;f:ajax render="footeradd userTable"&gt;--&gt; &lt;h:panelGroup id="footeradd"&gt; &lt;h:panelGroup layout="block" rendered="#{!managePUser.padd}"&gt; &lt;h:commandButton value="#{i18n.user_manager_add_user}" action="#{managePUser.setEnablepadd}"&gt; &lt;f:ajax render="footeradd"/&gt; &lt;/h:commandButton&gt; &lt;/h:panelGroup&gt; &lt;h:panelGroup id="adduser" rendered="#{managePUser.padd}" layout="block"&gt; &lt;h:panelGrid columns="2"&gt; &lt;h:outputText value="#{i18n.username}"/&gt; &lt;h:inputText id="username" value="#{managePUser.login}"/&gt; &lt;h:outputText value="#{i18n.password}"/&gt; &lt;h:inputSecret id="passowrd" value="#{managePUser.password}"/&gt; &lt;h:commandButton value="#{i18n.cancel_button}" action="#{managePUser.setDisblepadd}"&gt; &lt;f:ajax render="footeradd"/&gt; &lt;/h:commandButton&gt; &lt;h:commandButton value="#{i18n.submit_button}" action="#{managePUser.submit}"&gt; &lt;f:ajax render="footeradd userTable" execute="@this username passowrd"/&gt; &lt;/h:commandButton&gt; &lt;/h:panelGrid&gt; &lt;/h:panelGroup&gt; &lt;/h:panelGroup&gt; &lt;!--&lt;/f:ajax&gt;--&gt; &lt;/f:facet&gt; &lt;/h:dataTable&gt; &lt;!--&lt;/f:ajax&gt;--&gt; &lt;/h:form&gt; &lt;/cc:implementation&gt; &lt;/body&gt; &lt;/html&gt; </code></pre> <p>so I using my bean in column at :</p> <pre><code> &lt;h:commandButton id="chps" value="#{i18n.chpsqd_button}" rendered="#{!userSession.getPWRender(puser.id)}" action="#{userSession.setPWrenerTrue(puser.id)}"&gt; &lt;f:ajax render="pswd chps"/&gt; &lt;/h:commandButton&gt; </code></pre> <p>Question 2: what could be a better design for this situation ?</p> <p>Question 3: Is it possible to listen to some events (onclick, ondbclick inside component tag ) for some component (inputSecret in my situation) if it steed as disabled=«true» ?</p> <p>Thank you!</p>
 

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