Java primefaces创建动态仪表板
下面是我尝试创建动态仪表板的示例 复制代码的工作效率为100%,但我尝试将其用于我自己的实现 当我加载索引页时,它根本不显示任何面板或仪表板。当我导航到另一个页面并返回时,元素就会出现 我不知道为什么仪表板在初始页面加载时不显示 我正在使用JBoss5.1、EJB3.0、JSF2.0和PrimeFaces3.4 这是我的控制器类的顶级:Java primefaces创建动态仪表板,java,jsf,primefaces,ejb-3.0,Java,Jsf,Primefaces,Ejb 3.0,下面是我尝试创建动态仪表板的示例 复制代码的工作效率为100%,但我尝试将其用于我自己的实现 当我加载索引页时,它根本不显示任何面板或仪表板。当我导航到另一个页面并返回时,元素就会出现 我不知道为什么仪表板在初始页面加载时不显示 我正在使用JBoss5.1、EJB3.0、JSF2.0和PrimeFaces3.4 这是我的控制器类的顶级: @Model @ViewController(viewId = "/pages/index.xhtml") public class MonitorContro
@Model
@ViewController(viewId = "/pages/index.xhtml")
public class MonitorController implements Serializable, ViewInitializer, ViewFinalizer {
@Inject
private transient MonitorService monitorService;
@Inject
private transient MonitorUserService monitorUserService;
@Inject
private transient MonitorView view;
@Inject
private transient Conversation conversation;
@Override
public void initializeView() {
if (conversation.isTransient()) {
conversation.setTimeout(1800000);
conversation.begin();
}
MonitorUser user = monitorUserService.findOrCreateUser();
view.setUser(user);
List<MonitorElement> elements = monitorService.findMonitorElementsByUser();
view.setElements(elements);
view.setUsersMonitorElements(elements);
createDashBoard();
}
@模型
@ViewController(viewId=“/pages/index.xhtml”)
公共类MonitorController实现可序列化、ViewInitializer、ViewFinalizer{
@注入
专用临时监视器服务监视器服务;
@注入
私有瞬态MonitorUserService MonitorUserService;
@注入
私有瞬态监视器视图;
@注入
私人短暂对话;
@凌驾
public void initializeView(){
if(conversation.isTransient()){
会话设置超时(1800000);
对话。开始();
}
MonitorUser=monitorUserService.findOrCreateUser();
view.setUser(用户);
List elements=monitorService.FindMonitorElementsByser();
视图。设置元素(元素);
view.setUsersMonitorElements(元素);
createDashBoard();
}
这是我创建仪表板、添加面板和设置列小部件的方法:
public void createDashBoard() {
final int DEFAULT_COLUMN_COUNT = 3;
int columnCount = DEFAULT_COLUMN_COUNT;
Dashboard dashboard;
FacesContext fc = FacesContext.getCurrentInstance();
Application application = fc.getApplication();
dashboard = (Dashboard) application.createComponent(fc, "org.primefaces.component.Dashboard", "org.primefaces.component.DashboardRenderer");
dashboard.setId("dashboard");
DashboardModel model = new DefaultDashboardModel();
for( int i = 0; i < columnCount; i++ ) {
DashboardColumn column = new DefaultDashboardColumn();
model.addColumn(column);
}
dashboard.setModel(model);
view.setModel(dashboard.getModel());
view.setDashboard(dashboard);
int index = 0;
for( MonitorElement i : view.getUsersMonitorElements()) {
Panel panel = (Panel) application.createComponent(fc, "org.primefaces.component.Panel", "org.primefaces.component.PanelRenderer");
panel.setId("id" + i.getId());
panel.setHeader("Dashboard Component " + i.getApplicationName());
panel.setClosable(true);
panel.setToggleable(true);
dashboard.getChildren().add(panel);
DashboardColumn column2 = model.getColumn(index%columnCount);
column2.addWidget(panel.getId());
HtmlOutputText text = new HtmlOutputText();
text.setValue(i.getCount() + "" );
panel.getChildren().add(text);
index++;
}
view.setModel(dashboard.getModel());
view.setDashboard(dashboard);
}
public void createDashBoard(){
最终整数默认列计数=3;
int columnCount=默认列数;
仪表板;
FacesContext fc=FacesContext.getCurrentInstance();
Application Application=fc.getApplication();
dashboard=(dashboard)application.createComponent(fc,“org.primefaces.component.dashboard”,“org.primefaces.component.DashboardRenderer”);
dashboard.setId(“dashboard”);
DashboardModel=新的DefaultDashboardModel();
对于(int i=0;i
我正在我的索引页上使用以下工具实现仪表板:
<p:dashboard id="dynamic_dashboard3"
binding="#{monitorView.dashboard}">
</p:dashboard>
您实现的ViewInitializer是什么?ViewInitializer只是一个具有void initializeView()方法的接口,该方法在创建视图时调用