/*---------------------------------------------------------------------------
| Facility : libnform
| Function : int set_current_field(FORM * form,FIELD * field)
|
| Description : Set the current field of the form to the specified one.
|
| Return Values : E_OK - success
| E_BAD_ARGUMENT - invalid form or field pointer
| E_REQUEST_DENIED - field not selectable
| E_BAD_STATE - called from a hook routine
| E_INVALID_FIELD - current field can't be left
| E_SYSTEM_ERROR - system error
+--------------------------------------------------------------------------*/
int set_current_field(FORM * form, FIELD * field)
{
int err = E_OK;
if ( !form || !field )
RETURN(E_BAD_ARGUMENT);
if ( (form != field->form) || Field_Is_Not_Selectable(field) )
RETURN(E_REQUEST_DENIED);
if (!(form->status & _POSTED))
{
form->current = field;
form->curpage = field->page;
}
else
{
if (form->status & _IN_DRIVER)
err = E_BAD_STATE;
else
{
if (form->current != field)
{
if (!_nc_Internal_Validation(form))
err = E_INVALID_FIELD;
else
{
Call_Hook(form,fieldterm);
if (field->page != form->curpage)
{
Call_Hook(form,formterm);
err = _nc_Set_Form_Page(form,field->page,field);
Call_Hook(form,forminit);
}
else
{
err = _nc_Set_Current_Field(form,field);
}
Call_Hook(form,fieldinit);
_nc_Refresh_Current_Field(form);
}
}
}
}
RETURN(err);
}
set_form_page(FORM *form, int page)
{
int err = E_OK;
T((T_CALLED("set_form_page(%p,%d)"), form, page));
if (!form || (page < 0) || (page >= form->maxpage))
RETURN(E_BAD_ARGUMENT);
if (!(form->status & _POSTED))
{
form->curpage = page;
form->current = _nc_First_Active_Field(form);
}
else
{
if (form->status & _IN_DRIVER)
err = E_BAD_STATE;
else
{
if (form->curpage != page)
{
if (!_nc_Internal_Validation(form))
err = E_INVALID_FIELD;
else
{
Call_Hook(form, fieldterm);
Call_Hook(form, formterm);
err = _nc_Set_Form_Page(form, page, (FIELD *)0);
Call_Hook(form, forminit);
Call_Hook(form, fieldinit);
_nc_Refresh_Current_Field(form);
}
}
}
}
RETURN(err);
}
