Jsf 2 带有.properties文件(资源包)中的值的DefaultMenuItem
好的,所以我正在尝试将我的项目从Primefaces 3.5迁移到4.0,我正在努力使用新的MenuModelAPI。我敢肯定这有点愚蠢,但我不能为面包屑显示DefaultMenuItem,其中的值来自.properties文件(在faces配置中定义为资源包) 我对Primefaces 3.5的体验:Jsf 2 带有.properties文件(资源包)中的值的DefaultMenuItem,jsf-2,primefaces,Jsf 2,Primefaces,好的,所以我正在尝试将我的项目从Primefaces 3.5迁移到4.0,我正在努力使用新的MenuModelAPI。我敢肯定这有点愚蠢,但我不能为面包屑显示DefaultMenuItem,其中的值来自.properties文件(在faces配置中定义为资源包) 我对Primefaces 3.5的体验: MenuItem menuItem; // Where "getPath()" returns all the pages needed to get to t
MenuItem menuItem;
// Where "getPath()" returns all the pages needed to get to the current one
for (Page page : currentPage.getPath()) {
menuItem = new MenuItem();
// Where "getTitle()" returns something like "#{message.home}" which will be resolved as "Home"
menuItem.setValueExpression("value", expressionFactory.createValueExpression(elContext, page.getTitle(), String.class));
menuItem.setActionExpression(expressionFactory.createMethodExpression(elContext, page.getAction(), String.class, new Class[0]));
menuItem.setAjax(false);
menuItem.setAsync(false);
menuItem.setImmediate(true);
breadCrumbModel.addMenuItem(menuItem);
}
我用Primefaces 4.0和新的DefaultMenuItem对象尝试了什么:
MenuItem menuItem;
// Where "getPath()" returns all the pages needed to get to the current one
for (Page page : currentPage.getPath()) {
menuItem = new MenuItem();
// Where "getTitle()" returns something like "#{message.home}" which will be resolved as "Home"
menuItem.setValueExpression("value", expressionFactory.createValueExpression(elContext, page.getTitle(), String.class));
menuItem.setActionExpression(expressionFactory.createMethodExpression(elContext, page.getAction(), String.class, new Class[0]));
menuItem.setAjax(false);
menuItem.setAsync(false);
menuItem.setImmediate(true);
breadCrumbModel.addMenuItem(menuItem);
}
menuItem.setValue(page.getTitle())代码>
menuItem.setValue(expressionFactory.createValueExpression(elContext,tmp.getTitle(),String.class))代码>
menuItem.setParam(“value”,expressionFactory.createValueExpression(elContext,tmp.getTitle(),String.class))代码>
menuItem.setTitle(page.getTitle())代码>在遇到同样的问题后,我找到了这个解决方案,它很有效!,我正在使用primefaces 5.0:
public void addMiga(String action, String label) throws Exception {
DefaultMenuItem item = new DefaultMenuItem();
item.setFragment(label);
String valueTitulo = "";
HtmlOutputText seccionLabel = new HtmlOutputText();
if (label != null && !"".equals(label)) {
String[] expresiones = label.split(",");
for (String expresion : expresiones) {
if (expresion.contains("label_")
|| expresion.contains("_label")) {
seccionLabel.setValueExpression("value",
getValueExpression(expresion));
} else {
seccionLabel.setValue(expresion);
}
valueTitulo += " " + (String) seccionLabel.getValue();
}
}
item.setValue(valueTitulo);
item.setId(Integer.toString(this.migas.getElements().size()));
item.setOnclick(ConstantesErp.FUNCION_STATUS);
item.setCommand(action);
item.setAjax(false);
this.migas.addElement(item);
}
public static ValueExpression getValueExpression(String nombre) {
FacesContext fc = FacesContext.getCurrentInstance();
Application app = fc.getApplication();
ELContext elContext = fc.getELContext();
ExpressionFactory factory = app.getExpressionFactory();
ValueExpression ve = null;
try {
ve = factory.createValueExpression(elContext, "#" + "{" + nombre
+ "}", String.class);
} catch (Exception e) {
ve = null;
}
return ve;
}