Hi all,
I'm trying to write a page that mimics an email composition form. On
this form the user should be allowed to add any number of attachments
(files).
My idea is to use an AjaxFormLoop and a file upload component inside.
The problem is - I can't.
The loop needs an iterable to work over - ok - that is a list of
UploadedFiles. But, the 'addRow' event says it needs to return a
non-null value so that the loop can correctly use it. But - i don't have
an uploaded file yet - i just want a new Upload component to render itself.
Second problem - how would I process the files at the end?
My code - so far:
public class Test {
@Property private List<UploadedFile> files = new
ArrayList<UploadedFile>();
@Property private UploadedFile currentValue;
@Property private DefaultPrimaryKeyEncoder<Integer, UploadedFile>
encoder = new DefaultPrimaryKeyEncoder<Integer, UploadedFile>();
@InjectComponent private Block newFileBlock;
public int getNumOfFiles() {
return files.size();
}
public void onSubmit() {
// what do i do here?
}
public Block onAddRow() {
return null; // what do i do here? this causes illegal state excepton
}
}
Test.tml:
<t:form>
<t:ajaxformloop source="files" value="currentValue"
encoder="encoder">
<t:submitnotifier>
<t:upload t:id="currentValue" value="currentValue" />
<t:removerowlink>remove</t:removerowlink>
</t:submitnotifier>
<t:parameter name="addRow">
<t:addrowlink>Add a row</t:addrowlink>
</t:parameter>
</t:ajaxformloop>
<div class="t-beaneditor-row">
<input type="submit" value="Submit"/>
</div>
</t:form>
<p>Number of strings (after submit): ${numOfFiles}</p>
<t:grid source="files"/>
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