Dynamically add a checkbox to HGrid and accessing the controller

I wonder if it is possible to add a column of checkboxes to a HGrid, and then access the method processFormRequest of the controller?  I would avoid the modification/extension of the page itself and or the view object and make all changes to just the extension of the controller.

I add the boxes without problem, but I can't seem to understand how to access during an iteration through the lines of HGrid with OAHGridQueriedRowEnumerator.  In my view, that the question is because the boxes that I created are not related to the view object associated with the HGrid.  I didn't add them to the HGrid like this:

Private Sub addCheckBoxes (OAHGridBean hGridBean,

{OAPageContext oapagecontext)

oapagecontext.writeDiagnostics (sModule, ' adding Checkboxes. ",")

OAFwkConstants.STATEMENT);

OACheckBoxBean = boxBean

(OACheckBoxBean) createWebBean (oapagecontext, OAWebBeanConstants.CHECKBOX_BEAN,

(NULL, "xxSelectBox");

boxBean.setID ("xxSelectBox");

boxBean.setUINodeName ("xxSelectBox");

boxBean.setChecked (true);

boxBean.setLabel ("Print");

boxBean.setName ("xxSelectBox");

hGridBean.addIndexedChild (0, boxBean);

}


But when I check the attributes of line in the method procesFormRequest of the controller, it does not attribute my newly added check boxes. Should the boxes be linked to a display object to enumerate the values? They are not related to something on the backend, they contain only the interactive user data during the presentation of the page. I have to add an attribute to the view to the HGrid for my new UIComponent? How would I do that?

I answered my own question. The HGrid I have access has three your (or three levels). Parent, child of the Parent and child child.  For some reason, in processRequest, child to child VO had not been linked or executed. I was able to link and run, then access to VO remaining as follows:

for (WOLParentWorkOrderVORowImpl parentRow = (WOLParentWorkOrderVORowImpl) parentVO.first ();)
parentRow! = null;
parentRow = (WOLParentWorkOrderVORowImpl) parentVO.next ()) {}

Ri RowSetIterator (RowSetIterator) = parentRow.getWipEntityIdParentWorkOrderVO ();
ViewObject childOfParentVO = ri.getRowSet () .getViewObject ();

If (childOfParentVO.lookupAttributeDef ("xxSelectForPrint") == null) {}
childOfParentVO.addDynamicAttribute ("xxSelectForPrint");
}

Boolean bExec = childOfParentVO.isExecuted ();
If (! bExec) {}
childOfParentVO.setWhereClauseParam (0, ");
childOfParentVO.setWhereClauseParam (1, "");

...
childOfParentVO.executeQuery ();
}

Lines should have child children VO
for (WOLChildWorkOrderVORowImpl childRow = (WOLChildWorkOrderVORowImpl) childOfParentVO.first ();)
childRow! = null;
childRow = (WOLChildWorkOrderVORowImpl) childOfParentVO.next ()) {}
RowSetIterator ri2 (RowSetIterator) = childRow.getWipEntityIdWOLChildWorkOrderVO ();
ViewObject childOfChildVO = ri2.getRowSet () .getViewObject ();
If (childOfChildVO.lookupAttributeDef ("xxSelectForPrint") == null) {}
childOfChildVO.addDynamicAttribute ("xxSelectForPrint");
}
}
}

Tags: Oracle Applications

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