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package com.sun.faces.test.servlet30.facelets;
import java.io.Serializable;
import java.util.LinkedList;
import java.util.List;
import javax.faces.bean.ManagedBean;
import javax.faces.bean.SessionScoped;
import javax.faces.component.UIComponent;
import javax.faces.component.ValueHolder;
import javax.faces.context.FacesContext;
import javax.faces.convert.Converter;
import javax.faces.convert.NumberConverter;
@ManagedBean(name = "repeatDynamicConverterBean")
@SessionScoped
public class RepeatDynamicConverterBean implements Serializable {
private int counter = 0;
private List<RepeatDynamicConverterItem> items = new LinkedList<RepeatDynamicConverterItem>();
public List<RepeatDynamicConverterItem> getItems() {
return items;
}
public void add() {
items.add(new RepeatDynamicConverterItem(++counter));
}
public String getString() {
StringBuilder sb = new StringBuilder();
for (RepeatDynamicConverterItem item : items) {
sb.append("[");
String value = "null";
if (item.getValue() != null) {
value = item.getValue().toString();
}
sb.append(value);
sb.append("] ");
}
return sb.toString();
}
UIComponent findRepeatDynamicConverterItemValue(UIComponent root) {
if ("itemValue".equals(root.getId())) {
return root;
}
for (UIComponent child : root.getChildren()) {
UIComponent ret = findRepeatDynamicConverterItemValue(child);
if (ret != null) {
return ret;
}
}
return null;
}
public void addConverters() {
FacesContext ctx = FacesContext.getCurrentInstance();
if (!ctx.isPostback()) {
UIComponent component = findRepeatDynamicConverterItemValue(ctx.getViewRoot());
if (component instanceof ValueHolder) {
ValueHolder parentValueHolder = (ValueHolder) component;
Converter parentConverter = parentValueHolder.getConverter();
if (parentConverter == null) {
NumberConverter numberConverter = new NumberConverter();
numberConverter.setMaxFractionDigits(2);
numberConverter.setPattern("##.00");
parentValueHolder.setConverter(numberConverter);
}
}
}
}
}