Hi everyone,
my app is doing something of strange, and I don't understand what it's
wrong with my code.
I've some Entities that I've to display in a table, so I use the
ERXDisplayGroup class.
Here an example:
public ERXDisplayGroup<Collaborator> displayGroup() {
// IF Null instantiate it
if(_displayGroup == null){
_displayGroup = new ERXDisplayGroup<Collaborator>();
EOArrayDataSource dataSource = new
EOArrayDataSource(EOClassDescription.classDescriptionForEntityName(Collaborator.ENTITY_NAME),
editingContext());
//Check user is logged in
if(session().hasUserLogged()){
//Check if user has chose the company
if(session().hasChoosedCompany()){
dataSource.setArray(Collaborator.fetchCollaboratorsForCompany(editingContext(),
session().company()));
}
}
_displayGroup.setDataSource(dataSource);
_displayGroup.setCurrentBatchIndex(1);
_displayGroup.setNumberOfObjectsPerBatch(NUMBER_OF_OBJECTS_PER_BATCH);
_displayGroup.fetch();
}
return _displayGroup;
}
this method is called as binding in the loop component:
<wo:loop list = "$displayGroup.displayedObjects" item = "$object">
and the object binding is simply a variable of the component.
private Collaborator object;
//With public getter and setter
on each row I've a link that call:
public WOActionResults selectObj() {
this.parent().takeValueForKey(object, "selectedCollaborator");
return performParentAction("selectCollaborator");
}
Ok, I'm able to filter the list using the setQualifier method of the
DisplayGroup:
public void setQualifier(EOQualifier qualifier){
displayGroup().setQualifier(qualifier);
displayGroup().fetch();
}
public EOQualifier qualifier() {
return null;
}
I call the list component passing the qualifier binding in the parent
componet:
<wo:CollaboratorsList qualifier = "$qualifier"></wo:CollaboratorsList>
When I pass a qualifier the page show the filtered list correctly.
The problem is: when I click on the link with action = "$selectObj" of the,
for example, 2nd object of filtered list, the object variable in the class
does not contain the instance related to the selected row, but the instance
in the second position of the full list of objects in the displayGroup.
Example:
a table with:
-------------------------------------------------------------------
| link | Mario Rossi | The Address 1 | His City |
-------------------------------------------------------------------
| link | John Smith | The Address 2 | City2 |
-------------------------------------------------------------------
| link | Francis Cabret | The Address| His City |
-------------------------------------------------------------------
....
-------------------------------------------------------------------
I filter the list for name LIKE "*John Smit*" and get only one row.
-------------------------------------------------------------------
| link | John Smith | The Address 2 | City2 |
-------------------------------------------------------------------
but when I click on the link, in the action selectObj(), the object
variable contains the instance for Mario Rossi.
That's strange for me...
I thought this should have work, but, evidently, is not so!
Which is the correct way to use the ERXDisplayGroup.setQualifier method?
Thanks in advance!
--
Daniele Corti
--
I DON'T DoubleClick
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