Is there a way to do a loop in Thymeleaf without a list?
I'd like to essentially convert this snippet to Thymeleaf:
<jsp:useBean id="now" class="java.util.Date" />
<fmt:formatDate var="year" value="${now}" pattern="yyyy" />
<c:forEach var="i" begin="0" end="99">
<form:option value="${year-i}" />
</c:forEach>
</form:select>
-- Update --
I've decided this is along the lines of how I want to do it, but I'm not sure about the springEL syntax:
<option th:each="i : ${#numbers.sequence( 1, 100)}" th:value="#{ T(java.util.Date).getYear() - $i }">1</option>
In case you are still looking for the correct SpEL syntax,
here's what worked for me:
<option th:each="i : ${#numbers.sequence( 1, 100)}"
th:value="${ (new org.joda.time.DateTime()).getYear() - i }"
th:text="${ (new org.joda.time.DateTime()).getYear() - i }">1</option>
Notice:
added th:text to set the option text.
used Joda-Time instead as java.util.Date wouldn't give me the desired outcome
Read this discussion on java.util.Date and getYear()
You can use the special thymleaf iteration variable inside the each block.
This special variable name is the name of your element variable concatenate with the keyword 'Stat' (ex: elt -> eltStat)
This variable gives you many information related to the iteration.
You can also specify this variable name after your element variable. For example:
<tr th:each="prod,iterStat : ${prods}" th:class="${iterStat.odd}? 'odd'">
<td th:text="${prod.name}">Onions</td>
<td th:text="${prod.price}">2.41</td>
<td th:text="${prod.inStock}? #{true} : #{false}">yes</td>
</tr>
More information in the official documentation below:
http://www.thymeleaf.org/doc/tutorials/2.1/usingthymeleaf.html#keeping-iteration-status
Related
First things first, I'm not a seasoned Struts user. Here is my struts code:
<s:set var="foo" value="BAR">
<s:text name="key.for.foo">
<s:param><s:property value="foo" /></s:param>
</s:text>
Here is the properties file containing the key.for.foo text value:
key.for.foo=blah blah {0}
I expect the text below:
blah blah BAR
but I get
blah blah
What am I missing ?
You can try the below code
<s:text name="key.for.foo"><s:param value="#foo"/></s:text>
The usage of <s:set /> vars is covered in the tag documentation's example:
<s:set var="personName" value="person.name"/>
Hello, <s:property value="#personName"/>
Nutshell is that the Value Stack has multiple ways of looking things up: stuff pushed onto the stack (e.g., the action itself, <s:push /> properties), stuff in the servlet context (e.g., session and request attributes/properties), and named objects (e.g., <s:set /> objects, <s:iterator /> status value).
Hi I am new to grails and GSP
I have a code like
<g:each var="i" in="${typeList}">
<g:if test="${i != null}">
<tr>
<td><input type="checkbox" name="categoryType" id="categoryTypeCB" class="categoryTypeCB" value="${i}"> ${i}</td>
</tr>
</g:if>
</g:each>
How to get the values of checked check boxes in java script
Try to use jQuery. Since Grails 2.0 it's provided by default, you just have to add in your gsp template at the end of head tag with following line:
<r:require module="jquery" />
Or if you do not use resources plugin, include jQuery with following line:
<g:javascript library='jquery' />
And then in a javascript block go with:
<g:javascript>
var checkedCheckboxes = $('.categoryTypeCB:checked');
$.each(checkedCheckboxes, function(index, checkbox) {
var theValue = checkbox.value;
});
</g:javascript>
The each funciton is a loop so you need to handle somehow 'theValue' each iteration. The checkbox argument contains the input element itself if you need it.
BTW. You shouldn't assign the same id for many inputs. It's incorrect. Id has to be unique for each HTML element among document tree.
I have a List of keys say 'ListA'. And a map of keys & list say 'MapA'. I need to iterate the 'ListA' & for every key need to get its value from 'MapA'. And those values serve as the model for dataTable.
For this purpose,I'm using h:datatable inside ui:repeat.
<ui:repeat var="entry" value="#{bean.sampleDTO.sampleList}"
varStatus="row">
<tr>
<td>#{entry.key}</td>
<td><h:datatable value="#{bean.map[#{entry.key}]}" var="row">
<h:column>
// something
</h:column>
</h:datatable></td>
</tr>
</ui:repeat>
Please consider the value of datatable:
value="#{bean.map[#{entry.key}]}"
The issue is that the key is a variable which I get from #{entry.key}. #{bean.map[#{entry.key}]} is an invalid EL expression as 2 # can't be used.
Thanks,
Tarun Madaan
for the el expression : try this
value="#{bean.map[entry.key]}"
you dont need to use #{} inside #{}
Hello I am a young Software developer,
and I struggled the last 5 days with my code.
Here is my code in JSP:
<s:iterator value="getListeDanach()" status="stat">
<li>
<s:url id="URL_ListeDanach" action="uebersicht_umblaettern">
<s:param name="angeklickteSeitenzahl" value="getListeDanach()[#stat.index]" />
<s:bean name="org.apache.struts2.util.Counter" var="counter">
<s:param name="last" value="3" />
</s:bean>
<s:iterator value="#counter" status="stat1">
<s:property value="#stat1.index" />
<s:param name="%{optionaleParamName4}" value="#optionaleParamValue4" />
</s:iterator>
</s:url>
<s:a href="%{URL_ListeDanach}" cssClass="naviTab">
<s:property value="getListeDanach()[#stat.index]" />
</s:a>
</li>
</s:iterator>
My problem is, the first Iteration works great but the 2nd Iteration works half. In the 2nd case the property works, but the param doesn´t work! Al Variables are available. If i take the param Tag of the 2nd Iteration and place it in the first, it works great! But that isn´t what I want.
This is not an answer.
Here's the JSP, cleaned up, and using more S2 functionality. It was impossible to read the original.
<s:iterator value="listeDanach" status="stat" var="outerItem">
<li>
<s:url id="URL_ListeDanach" action="child">
<s:param name="angeklickteSeitenzahl" value="outerItem" />
<%-- What are you trying to do here? --%>
<s:bean name="org.apache.struts2.util.Counter" var="counter">
<s:param name="last" value="3" />
</s:bean>
<%-- What are you trying to do here? There's nothing to iterate over. --%>
<s:iterator value="#counter" status="stat1">
<s:property value="#stat1.index" />
<s:param name="%{optionaleParamName4}" value="#optionaleParamValue4" />
</s:iterator>
</s:url>
<s:a href="%{URL_ListeDanach}">
<s:property value="outerItem" />
</s:a>
</li>
</s:iterator>
In the bean i have a loop with 3 "rounds", in the 2nd iterator i use the var=counter to iterate three times over the property and over the dynamic parameter.
The property shows in HTMl in every loop of the first iterator this result : 0 1 2;
This is how it should work(the property is just there, to test the functionality of the 2nd itarator.)
But in the 2nd case, the parameter-Tag is fully ignored or something like that. For those who want to know the logic behind the code. It is a side navigation bar. listeDav or = list behind the actual number, and listeDanach= list after the actual number. 1 2 3 4 [5] 6 7 8 9.... When the param Tag in the 2nd itarator functions well, I would make the param tag dynamically with the iterated index.
SO in short, what I want is: Every time the first Iterator has his loop, I want to create dynamic parameters. This parameters are defined in the JSP before and are fully supported! I want to use the index "#stat1.index" to make it work.
Something like this :
s:param name="%{optionaleParamName[#stat1.index]}" value="#optionaleParamValue[#stat1.index]" />.....
i have already defined the String behind "#optionaleParamValue[0], behind #optionaleParamValue[1] and behind #optionaleParamValue[2] and soo on... ... and all this is for reusing the actual JSP.
As you can mention, a side navigation bar, can be used in many other cases in the programm.
Greetings
<s:iterator value="podTemplate.subTypeTemplates" status="subTemplate">
<s:textfield id='subType_type_#subTemplate.index' key="subType" label="Name"/>
</s:iterator>
#subTemplate.index is not getting replaced by index. However if I am doing
<s:property value="#subTemplate.index"> is working
That's because id attribute of textfield is of string type and string-type attributes are not interpreted as OGNL by default. As Steven said you have to force the interpretation by using %{} in your case subType_type_%{#subTemplate.index}.
My iterator looks like this:
<s:iterator id="list" value="optionList" status="rowStatus" >
I tried:
<td>
<input class="textInput required"type="text" name="optionList[${rowStatus.index}].option_id"/>
</td>
and it's the only one that worked.
All the following ones failed:
name="optionList[%{#rowStatus.index}].option_id"
name="%{optionList[#rowStatus.index].option_id}"
even
name="%{#rowStatus.index}"