[JBoss Seam] - Re: Seam & Trinidad.
by petemuir
"adamkoprowski" wrote :
|
| anonymous wrote :
| | "adamkoprowski" wrote : -) As I read on this forum (and experienced myself) I cannot use Seam's extended EL (parameters to methods) with Trinidad.
| |
| | I don't know of anyone who has got this working.
| |
| Too bad. Any idea what's the reason? Any hope this will be resolved at some point?
No (it's not a priority for Seam, but if someone provides a patch...). The extended EL is a stop-gap measure until we get a version of EL that really supports this.
anonymous wrote : ...
Try this:
<pages>
| <page view-id="/master.xhtml">
| <navigation>
| <rule if-outcome="viewDetail">
| <redirect view-id="/detail.xhtml" />
| </rule>
| </navigation>
| <param name="entryId" value="#{detail.entryId}" />
| </page>
| </pages>
View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4026949#4026949
Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4026949
19Â years, 1Â month
[JBoss Seam] - Re: @DataModel == ListDataModel ???
by christian.bauerï¼ jboss.com
Here is some code I use for paginating through large lists:
| @Name("userSearch")
| @Scope(ScopeType.CONVERSATION)
| public class UserSearch implements Serializable {
|
| @In
| private UserDAO userDAO;
|
| @In
| private FacesMessages facesMessages;
|
| private User exampleUser;
| private String orderByProperty;
| private boolean orderDescending;
| private String[] ignoreProperties;
| private int rowCount;
| private int maxPageSize;
| private int pageSize;
| private int page;
|
| @DataModel
| private List<User> usersList;
|
| @Create
| public void initialize() {
| pageSize = 10;
| maxPageSize = 1000;
| exampleUser = new User();
| orderByProperty = "username";
| orderDescending = false;
| ignoreProperties = new String[]{"passwordHash", "activated", "createdOn"};
| }
|
| public void find() {
| page = 0;
| queryRowCount();
| if (rowCount != 0) queryUsers();
| }
|
| public void nextPage() {
| page++;
| queryUsers();
| }
|
| public void previousPage() {
| page--;
| queryUsers();
| }
|
| public void firstPage() {
| page = 0;
| queryUsers();
| }
|
| public void lastPage() {
| page = (rowCount / pageSize);
| if (rowCount % pageSize == 0) page--;
| queryUsers();
| }
|
| private void queryRowCount() {
| rowCount = userDAO.getRowCountByExample(exampleUser, ignoreProperties);
| if (rowCount == 0) {
| facesMessages.addFromResourceBundleOrDefault(
| FacesMessage.SEVERITY_INFO,
| "noUserFound",
| "No user with given attributes was found, please try again."
| );
| }
| }
|
| private void queryUsers() {
| usersList = userDAO.findByExample(exampleUser, orderByProperty, orderDescending, page * pageSize, pageSize, ignoreProperties);
| }
|
| public boolean isNextPageAvailable() {
| return usersList != null && rowCount > ((page * pageSize) + pageSize);
| }
|
| public boolean isPreviousPageAvailable() {
| return usersList != null && page > 0;
| }
| public int getPageSize() {
| return pageSize;
| }
|
| public void setPageSize(int pageSize) {
| this.pageSize = pageSize > maxPageSize ? maxPageSize : pageSize; // Prevent tampering
| }
|
| public int getRowCount() {
| return rowCount;
| }
|
| public User getExampleUser() {
| return exampleUser;
| }
|
| public void setExampleUser(User exampleUser) {
| this.exampleUser = exampleUser;
| }
|
| public String getOrderByProperty() {
| return orderByProperty;
| }
|
| public boolean isOrderDescending() {
| return orderDescending;
| }
|
| public void sortBy(String propertyName) {
| orderByProperty = propertyName;
| orderDescending = !isOrderDescending(); // Switch between ASC and DESC
| page = 0; // Reset to first page
| queryUsers();
| }
|
| }
|
| @Name("userDAO")
| @AutoCreate
| @Transactional
| public class UserDAO {
|
| @In
| protected EntityManager entityManager;
|
| public List<User> findByExample(User exampleUser, String orderByProperty, boolean orderDescending,
| int firstResult, int maxResults, String... ignoreProperty) {
| Criteria crit = prepareExampleCriteria(exampleUser, orderByProperty, orderDescending, ignoreProperty);
| crit.setFirstResult(firstResult).setMaxResults(maxResults);
| return (List<User>)crit.list();
| }
|
| public int getRowCountByExample(User exampleUser, String... ignoreProperty) {
|
| Criteria crit = prepareExampleCriteria(exampleUser, null, false, ignoreProperty);
| ScrollableResults cursor = crit.scroll();
| cursor.last();
| int count = cursor.getRowNumber() + 1;
| cursor.close();
| return count;
| }
|
| private Criteria prepareExampleCriteria(User exampleUser, String orderByProperty, boolean orderDescending, String... ignoreProperty) {
| entityManager.joinTransaction();
|
| Example example = Example.create(exampleUser).enableLike(MatchMode.ANYWHERE).ignoreCase();
|
| for (String s : ignoreProperty) example.excludeProperty(s);
|
| Session session = (Session)entityManager.getDelegate();
|
| Criteria crit = session.createCriteria(User.class).add(example);
| if (orderByProperty != null)
| crit.addOrder( orderDescending ? Order.desc(orderByProperty) : Order.asc(orderByProperty) );
|
| return crit.setResultTransformer(new DistinctRootEntityResultTransformer());
| }
|
| }
|
| <h:form id="main">
|
| <div class="form" id="userSearchControl">
|
| <h:panelGrid columns="6" styleClass="formTable"
| headerClass="formHead" footerClass="formFooter"
| columnClasses="entryColumn,entryColumn,entryColumn,entryColumn,entryColumn,entryColumn"
| cellpadding="0" cellspacing="0" border="0">
|
| <f:facet name="header">
| <h:outputText value="Search members"/>
| </f:facet>
|
| <h:panelGroup>
| <h:outputText styleClass="label" value="Username:"/>
| <h:inputText styleClass="input" id="username" value="#{userSearch.exampleUser.username}" maxlength="25" size="10" tabindex="1"/>
| </h:panelGroup>
|
| <h:panelGroup>
| <h:outputText styleClass="label" value="First name:"/>
| <h:inputText styleClass="input" id="firstname" value="#{userSearch.exampleUser.firstname}" maxlength="25" size="10" tabindex="2"/>
| </h:panelGroup>
|
| <h:panelGroup>
| <h:outputText styleClass="label" value="Last name:"/>
| <h:inputText styleClass="input" id="lastname" value="#{userSearch.exampleUser.lastname}" maxlength="25" size="10" tabindex="3"/>
| </h:panelGroup>
|
| <h:panelGroup>
| <h:outputText styleClass="label" value="E-mail:"/>
| <h:inputText styleClass="input" id="email" value="#{userSearch.exampleUser.email}" maxlength="25" size="10" tabindex="4"/>
| </h:panelGroup>
|
| <h:panelGroup>
| <h:outputLabel styleClass="label" for="pageSize">Show:</h:outputLabel>
| <h:selectOneMenu styleClass="input" value="#{userSearch.pageSize}" id="pageSize" tabindex="5">
| <f:selectItem itemLabel="5" itemValue="5"/>
| <f:selectItem itemLabel="10" itemValue="10"/>
| <f:selectItem itemLabel="20" itemValue="20"/>
| </h:selectOneMenu>
| </h:panelGroup>
|
| <h:commandLink id="find" styleClass="button"
| action="#{userSearch.find()}"
| tabindex="6" accesskey="F"><span class="buttonLabel"><u>F</u>ind</span></h:commandLink>
|
| <f:facet name="footer">
| Â
| </f:facet>
|
| </h:panelGrid>
|
| </div>
|
| <h:panelGrid columns="5" styleClass="pager"
| columnClasses="pagerIconColumn,pagerIconColumn,pagerTextColumn,pagerIconColumn,pagerIconColumn"
| cellpadding="0" cellspacing="0" border="0"
| rendered="#{userSearch.rowCount > 0}">
|
| <h:commandLink action="#{userSearch.firstPage()}" rendered="#{userSearch.previousPageAvailable}" tabindex="7">
| <h:graphicImage value="/themes/#{globalPrefs.themeName}/img/page.first.gif" width="13" height="11"/>
| </h:commandLink>
| <h:graphicImage value="/themes/#{globalPrefs.themeName}/img/blank.gif" width="13" height="11"
| rendered="#{!userSearch.previousPageAvailable}"/>
|
| <h:commandLink action="#{userSearch.previousPage()}" rendered="#{userSearch.previousPageAvailable}" tabindex="7">
| <h:graphicImage value="/themes/#{globalPrefs.themeName}/img/page.previous.gif" width="13" height="11"/>
| </h:commandLink>
| <h:graphicImage value="/themes/#{globalPrefs.themeName}/img/blank.gif" width="13" height="11"
| rendered="#{!userSearch.previousPageAvailable}"/>
|
| <h:outputText value="Found: #{userSearch.rowCount} member(s)"/>
|
| <h:commandLink action="#{userSearch.nextPage()}" rendered="#{userSearch.nextPageAvailable}" tabindex="7">
| <h:graphicImage value="/themes/#{globalPrefs.themeName}/img/page.next.gif" width="13" height="11"/>
| </h:commandLink>
| <h:graphicImage value="/themes/#{globalPrefs.themeName}/img/blank.gif" width="13" height="11"
| rendered="#{!userSearch.nextPageAvailable}"/>
|
| <h:commandLink action="#{userSearch.lastPage()}" rendered="#{userSearch.nextPageAvailable}" tabindex="7">
| <h:graphicImage value="/themes/#{globalPrefs.themeName}/img/page.last.gif" width="13" height="11"/>
| </h:commandLink>
| <h:graphicImage value="/themes/#{globalPrefs.themeName}/img/blank.gif" width="13" height="11"
| rendered="#{!userSearch.nextPageAvailable}"/>
|
| </h:panelGrid>
|
| <h:dataTable id="userTable" var="u"
| value="#{usersList}"
| rendered="#{usersList.rowCount >0}"
| styleClass="datatable"
| headerClass="sortableHeader"
| columnClasses="twentyPercentColumn,twentyPercentColumn,twentyPercentColumn,defaultColumn,defaultColumn"
| rowClasses="rowOdd,rowEven"
| cellpadding="0" cellspacing="0" border="0">
|
| <h:column>
| <f:facet name="header">
| <h:commandLink action="#{userSearch.sortBy('username')}" tabindex="8">
| <h:graphicImage value="/themes/#{globalPrefs.themeName}/img/sortindicator.up.gif" width="8" height="8"
| rendered="#{!userSearch.orderDescending and userSearch.orderByProperty == 'username'}"/>
| <h:graphicImage value="/themes/#{globalPrefs.themeName}/img/sortindicator.down.gif" width="8" height="8"
| rendered="#{userSearch.orderDescending and userSearch.orderByProperty == 'username'}"/>
| Username
| </h:commandLink>
| </f:facet>
| <s:link view="/userAccount.xhtml" value="#{u.username}" tabindex="13" propagation="nest">
| <f:param name="userId" value="#{u.id}"/>
| </s:link>
| </h:column>
|
| <h:column>
| <f:facet name="header">
| <h:commandLink action="#{userSearch.sortBy('firstname')}" tabindex="9">
| <h:graphicImage value="/themes/#{globalPrefs.themeName}/img/sortindicator.up.gif" width="8" height="8"
| rendered="#{!userSearch.orderDescending and userSearch.orderByProperty == 'firstname'}"/>
| <h:graphicImage value="/themes/#{globalPrefs.themeName}/img/sortindicator.down.gif" width="8" height="8"
| rendered="#{userSearch.orderDescending and userSearch.orderByProperty == 'firstname'}"/>
| First name
| </h:commandLink>
| </f:facet>
| #{u.firstname}
| </h:column>
|
| <h:column>
| <f:facet name="header">
| <h:commandLink action="#{userSearch.sortBy('lastname')}" tabindex="10">
| <h:graphicImage value="/themes/#{globalPrefs.themeName}/img/sortindicator.up.gif" width="8" height="8"
| rendered="#{!userSearch.orderDescending and userSearch.orderByProperty == 'lastname'}"/>
| <h:graphicImage value="/themes/#{globalPrefs.themeName}/img/sortindicator.down.gif" width="8" height="8"
| rendered="#{userSearch.orderDescending and userSearch.orderByProperty == 'lastname'}"/>
| Last name
| </h:commandLink>
| </f:facet>
| #{u.lastname}
| </h:column>
|
| <h:column>
| <f:facet name="header">
| <h:commandLink action="#{userSearch.sortBy('email')}" tabindex="11">
| <h:graphicImage value="/themes/#{globalPrefs.themeName}/img/sortindicator.up.gif" width="8" height="8"
| rendered="#{!userSearch.orderDescending and userSearch.orderByProperty == 'email'}"/>
| <h:graphicImage value="/themes/#{globalPrefs.themeName}/img/sortindicator.down.gif" width="8" height="8"
| rendered="#{userSearch.orderDescending and userSearch.orderByProperty == 'email'}"/>
| E-mail address
| </h:commandLink>
| </f:facet>
| #{u.email}
| </h:column>
|
| <h:column>
| <f:facet name="header">
| <h:commandLink action="#{userSearch.sortBy('createdOn')}" tabindex="12">
| <h:graphicImage value="/themes/#{globalPrefs.themeName}/img/sortindicator.up.gif" width="8" height="8"
| rendered="#{!userSearch.orderDescending and userSearch.orderByProperty == 'createdOn'}"/>
| <h:graphicImage value="/themes/#{globalPrefs.themeName}/img/sortindicator.down.gif" width="8" height="8"
| rendered="#{userSearch.orderDescending and userSearch.orderByProperty == 'createdOn'}"/>
| Joined on
| </h:commandLink>
| </f:facet>
| <h:outputText value="#{u.createdOn}">
| <f:convertDateTime type="both"/>
| </h:outputText>
| </h:column>
|
| </h:dataTable>
|
|
| </h:form>
|
|
View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4026945#4026945
Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4026945
19Â years, 1Â month