Hi,
I am new to the webworks framework but think I am starting to get a handle on it. The documentation is very helpful.
In my initial trials, I came across a problem with using the <ui:radio> tag. As per the tag.jsp doc, ui:radio
behaves as expected when the Collection provided for the list attribute is a Map. (This version is not shown below.) However, when I tested to see how it handled a List, things did not go as well as I had hoped. I added the listKey and listValue attributes, but noticed that when I submitted the form and returned an error message along with the view, the list of radio labels would not display and the values were blank. I got around the problem by using an iterator and catch the loop after the first pass, but this is pretty ugly and somewhat confusing. What I would like to know if this is the best/only way to do this. Why does the radio tag lose the labels upon resubmit? I have looked at the source, but the answer is not, as yet, jumping out at me. Below are the files to show what I am talking about.
TIA,
George
>>>>action.xml
<action name="TownsList" alias="TownsList">
<view name="success">process.jsp</view>
<view name="input">correct.jsp</view>
</action>>>>>process.jsp which works but is ugly as described above
<%@ taglib uri="webwork" prefix="webwork" %>
<%@ taglib uri="webwork" prefix="ui" %>
<form action="TownsList.action" method="post">
<webwork:action name="'TownsList'" id="towns">
<webwork:param name="'first'" value="0"/>
<webwork:iterator value="towns" status="'col'">
<webwork:if test="@col/first==true">
<ui:radio label="'Town'" name="'town'" list="towns" listKey="'.'" listValue="'.'"/>
</webwork:if>
</webwork:iterator>
</webwork:action>
<hr>
<webwork:if test="hasErrorMessages == true">
Sorry, but <webwork:property value="town" /> isn't correct.
<hr>
<br>
</webwork:if>
<input type="submit" value="Select a Town" >
</form>
>>>>process.jsp which gave me the trouble
<%@ taglib uri="webwork" prefix="webwork" %>
<%@ taglib uri="webwork" prefix="ui" %>
<form action="TownsList.action" method="get">
<webwork:action name="'TownsList'" id="towns">
<ui:radio label="'Town'" name="'town'" list="@towns/towns" listKey="town" listValue="town"/>
</webwork:action>
<hr>
<webwork:if test="hasErrorMessages == true">
Sorry, but <webwork:property value="town" /> isn't correct.
<hr>
<br>
</webwork:if>
<input type="submit" value="Select a Town" >
</form>
>>>>correct.jsp
Congratulations you selected today's secret Town of <ww:property value="town"/> !
<br>
<form action="process.jsp">
<input type="submit" value="Try again"/>
</form>
>>>>TownsList.java
public class TownsList extends ActionSupport
{
static List towns;
String town = "";
static
{ towns = new ArrayList();
towns.add("town1");
towns.add("town2");
towns.add("town3");
towns.add("town4");
towns.add("town5");
towns.add("town6");
towns.add("town7");
}
public List getTowns()
{
return towns;
}
public void setTown(String townname)
{
this.town = townname;
}
public String getTown()
{
return town;
}
public String doExecute() throws Exception
{
String view = SUCCESS; if (getTown().equals("town1"))
{
view = INPUT;
}
else
{
addErrorMessage("Nope that wasn't it");
}
return view;
}
}
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