Hmm, I think a "complete example" should look slightly different, if it shouldn't confuse. I tried to have a quick look at the example, and I'm missing some important information:
* How does the Transaction look like (transId, transType, details, item)?
* What is the ROOTS object about?
* How does a typical Item and Folder implementation look like?
Please don't get me wrong but if I see "complete example", as a beginner I
would try to cook
the recipe again, and would get stuck immediately when having to read all the
internal fields
out of the ognl String.
Sorry,
Gernot
On Sunday 10 December 2006 10:36 pm, Sam Gendler wrote:
> This strikes me as the kind of thing that should go in the wiki
>
> --sam
>
>
> On 12/7/06, Mittal Bhoigade <[EMAIL PROTECTED]> wrote:
> > // This is complete example of tacos tree with lazy loading of childrens in
> > non-ajax/traditional mode
> > // This example shows use case of, user displayed with multiple rows of
> > data, each of those rows has
> > // a tree component and details for individual tree's are fetched lazily.
> >
> >
> > Page definitions
> > <property name="treeState" persist="client" initial-value="ognl:new
> > java.util.HashSet()"/>
> >
> > <component id="tree" type="tacos:Tree">
> > <binding name="contentProvider" value="new
> > com.abc.xyz.pages.TransactionTreeContentProvider(currentTrans[tranIndex].transId,currentTrans[tranIndex].transType,currentTrans[tranIndex].details)"/>
> > <binding name="value" value="item"/>
> > <binding name="keyProvider" value="keyProvider"/>
> > <binding name="state" value="treeState"/>
> > <binding name="nodeLinkAjax" value="ognl:false" />
> > </component>
> >
> > // currentTrans is an arrayList of VO's called Transactions
> > // currentTrans is present in ASO
> >
> >
> > // this is implementation of ITreeContentProvider
> > // creates trees with foll. data
> > // TransId - unique id for each transaction
> > // strParent - parent to be displayed
> > // strTransDetailsURL - some details that shall fetch children for that
> > parent
> > public TransactionTreeContentProvider(int TransId,String
> > strParent,String strTransDetailsURL){
> > Folder folder = new
> > Folder(TransId,strParent,strTransDetailsURL);
> > ROOTS.add(folder);
> > }
> >
> >
> > // this method shall get invoked when user clicks on plus sign
> > // so write logic to fetch children
> > public Collection getChildren(Object parentElement) {
> > if (parentElement instanceof Folder) {
> > Folder folder = (Folder)parentElement;
> > String strDetails = folder .getDetailsurl();
> > if(folder.getItems().isEmpty() && strDetails!=null){
> >
> > // some logic here
> > folder.item("From:");
> > folder.item("To:");
> > folder.item("Total Amount:");
> > }
> > else{
> > folder.item("There are no details for selected Transaction.");
> > }
> > List l = new ArrayList();
> > l.addAll(folder.getFolders());
> > l.addAll(folder.getItems());
> > return l;
> > }
> > return Collections.EMPTY_LIST;
> > }
> >
> > // we need this to identify which plus sign was clicked by User
> >
> > public class TransactionKeyProvider implements IKeyProvider {
> > public final static TransactionKeyProvider INSTANCE = new
> > TransactionKeyProvider();
> >
> > public Serializable getKey(Object value)
> > {
> > Item a =(Item)value;
> > int intKey = a.getKeyId();
> > return intKey;
> > }
> > }
> >
> > // Item and Folder implementation shall be custom - so I am copying it over
> > - I shall put the
> > // same if it's required by any one.
> >
> >
> > html code
> >
> > <tr class="odd" jwcid="transaction"> --> this is for loop definition for
> > currentTrans
> > <td align="left">
> > <div id="tree" class="cData" jwcid="tree" style="overflow: auto; width:
> > auto; height: auto;">
> > <span class="cData" jwcid="@Insert" value="ognl:item.name"/>
> > </div>
> > </td>
> > <td valign="top"><span class="cdata" jwcid="amt"></span></td> -->
> > some other columns data
> > <td valign="top"><span class="cData" jwcid="effDate"></span></td> -->
> > some other columns data
> > <td valign="top"><span class="cData" jwcid="rcvDate"></span></td> -->
> > some other columns data
> > </tr>
> >
> > Hope this helps.
> >
> > Thanks
> > Mittal
> >
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>
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--
Gernot Stocker,
Institute for Genomics and Bioinformatics(IGB)
Petersgasse 14, 8010 Graz, Austria
Tel.: ++43 316 873 5345
http://genome.tugraz.at
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