Cannot select "" value with rich:select

[andrejs]

Value of rich:select not changed to empty "" value :-(

Workaraound: i use not "", but "-" and in the backing bean

if(selectValue.equals("-")) {

     selectValue="";

}

Any ideas?

[mp911de]

Hi Andrej,

have you got also an selectItem with label=""/value=""?

Best regards,

Mark

[andrejs]

rich:select use not SelectItem Object, only String Object value:

in backing bean>

List<String> myValues = new ArrayList<String>()

myValues.add("");

...

in .xhtml

<rich:select ...>

     <f:selectItems value="#{myBackingBean.myValues} />

</rich:select>

Problem: i can't changed item to value with ""

[mp911de]

Hi Andrej,

that's not correct (according to docs). You would need a Collection/Array of SelectItem's

List<SelectItem> myValues = new ArrayList<SelectItem>();

myValues.add(new SelectItem("",""));

myValues.add(new SelectItem("value1","Label 1"));

myValues.add(new SelectItem("value2","Label 2"));

See http://docs.jboss.org/richfaces/latest_4_0_X/Component_Reference/en-US/html_single/#sect-Component_Reference-Rich_inputs-richselect

Simple usage of the <rich:select> component requires the value attribute to store the selected value. Additionally, child tags to manage the list of selections are required. The child tags can either be a number of<f:selectItem> tags or a <f:selectItems> tag which points to a data model containing a list of selection items. The value attribute is used to store the current selection.

Example 8.8. Selection items

Using multiple <f:selectItem> tags

<rich:select>
    <f:selectItem itemValue="0" itemLabel="Option 1" />
    <f:selectItem itemValue="1" itemLabel="Option 2" />
    <f:selectItem itemValue="2" itemLabel="Option 3" />
    <f:selectItem itemValue="3" itemLabel="Option 4" />
    <f:selectItem itemValue="4" itemLabel="Option 5" />
 </rich:select>
 

Using a single <f:selectItems> tag

<rich:select>
    <f:selectItems value="#{bean.options}" />
 </rich:select>

Best regards,

Mark

[andrejs]

don't works :-(

works if value is not empty!

<rich:panel>

     <f:facet name="header">

     <h:outputText value="MyValues"/>

</f:facet>

<a4j:jsFunction name="setNewValue">

    <a4j:param name="newValue" assignTo="#{myBean.newValue}"/>

</a4j:jsFunction>

<rich:select id="input" enableManualInput="true" defaultLabel="#{myBean.myValue}"

     onselectitem="setNewValue(document.getElementById('myId').value)">

     <f:selectItem value="" />

     <f:selectItem value="notEmpty" />

...

.... />