Primefaces lazy datatable: put my own filter instead of GlobalFilter

问题

I d like to add some extra filters on my Lazy Data Table but these fields are not based on the fields I have (actually my filter would be dateFrom and dateTo and I only have a field "Date").

I'd like to have two extra filter fields on the top of my datatable instead of a global filter:

    <f:facet name="header">
    <p:outputPanel>
    <p:inputText id="globalFilterOther" onkeyup="PF('myTable').filter()" style="display:inlineblock;"/>
    <p:inputText id="globalFilterAnOtherFilter" onkeyup="PF('myTable').filter()" style="display:inlineblock;"/>
    </p:outputPanel>
    </f:facet>

The problem is that as soon as I change id into something else than global Filter, no filter is detected. How could I do?

回答1:

The easiest way is binding the two (or more) extra filter fields to a Map<String,String>. For example add a map called filters to your bean:

private Map<String,String> filters = new HashMap<>();
// Include getter and setter

... and bind the filters to properties of the map:

<p:inputText value="#{myBean['field']}"
             onkeyup="PF('myTable').filter()"/>
<p:inputText value="#{myBean['otherField']}"
             onkeyup="PF('myTable').filter()"/>

Now, the only thing you need to do is adding a filter listener to the p:dataTable, and there add the filters map to the event filters and you are done.

Bean:

public void onFilter(FilterEvent event){
  event.getFilters().putAll(filters);
}

XHTML:

<p:dataTable ...>
  <p:ajax event="filter" listener="#{myBean.onFilter}"/>
</p:dataTable>

来源：https://stackoverflow.com/questions/49304057/primefaces-lazy-datatable-put-my-own-filter-instead-of-globalfilter

标签

primefaces

filter

datatable