1 Reply Latest reply on Jun 2, 2011 7:05 PM by jules poit

    Selection after sorting - ExtendedDataTable - Richfaces 4

    jules poit Newbie

      Good morning

       

      I have an issue with the EDT.

      I have an EDT, with the selection attribute set to Single, and I have implemented the sorting feature on the columns like in the demo.

      My issue is after I select a row, I sort a column, and the selection stays on the same row, and it is not displaying the row that was selecting.

      The data of the row selected is good but not the display.

       

      For example, if I selected the row 1, I sort one colum and the row 1 becomes the row 2. The row 1 will still be bold, and it should be the row 2.

       

      I implemented the ExtendedDataModel and the row postions looks fine but I do not know how to have the selected row following the sort.

       

      Thank for your help !

       

      Julien

        • 1. Re: Selection after sorting - ExtendedDataTable - Richfaces 4
          jules poit Newbie

          Little update, the fact that I am using an ExtendedDataModel or a simple list to display the values in the data table does not make any difference.

          I changed the way of sorting, before it was done on the client side with the sort() method , and now I am sorting in the bean like in the demo (http://richfaces-showcase.appspot.com/richfaces/component-sample.jsf?demo=dataTable&sample=tableSorting&skin=ruby).

           

          But still no luck, after I selected a row, if I sort, then the selection in the table stays at the same row index and it does not follow the selected row !!! I do not know how to force the selection to follow the sort :-/

           

          There is no demo for Richfaces 4 that combine the selection AND the sort feature.

           

          Any ideas ?

           

           

          Here the code of the model :

           

           

          public ExtendedDataModel<User> getUserDataModel() {

           

                  if (userDataModel == null) {

           

                      userDataModel = new ExtendedDataModel<User>() {

           

                          private Object    rowKey;

           

                          @Override

                          public Object getRowKey() {

           

                              return rowKey;

                          }

           

                          @Override

                          public void setRowKey(Object arg0) {

                              rowKey = arg0;

           

                          }

           

                          @Override

                          public void walk(FacesContext arg0, DataVisitor arg1,

                                  Range arg2, Object arg3) {

           

                              System.out.println(" ");

                              for (User usr : users) {

           

                                  System.out.println("Position of : " + usr.getUsrEmail()

                                          + " =>  " + users.indexOf(usr));

                                  arg1.process(arg0, users.indexOf(usr), arg3);

                                  setRowKey(users.indexOf(usr));

           

                              }

                          }

           

                          @Override

                          public int getRowCount() {

                              return users.size();

                          }

           

                          @Override

                          public User getRowData() {

                              return users.get((Integer) rowKey);

                          }

           

                          @Override

                          public int getRowIndex() {

                              return 0;

                          }

           

                          @Override

                          public Object getWrappedData() {

                              throw new UnsupportedOperationException();

                          }

           

                          @Override

                          public boolean isRowAvailable() {

                              return rowKey != null;

                          }

           

                          @Override

                          public void setRowIndex(int arg0) {

                              throw new UnsupportedOperationException();

           

                          }

           

                          @Override

                          public void setWrappedData(Object arg0) {

                              throw new UnsupportedOperationException();

           

                          }

                      };

                  }

                  return userDataModel;

              }

           

          So the output correctly show me the right indexes associated to the email that match the sort of my table !!!!

          When I load the page I have :

           

          Position of : d@hotmail.com =>  0

          Position of : j@gmail.com =>  1

          Position of : b@sagemavionics.com =>  2

          Position of : l@bb.com =>  3

           

          I select an item - l@bb.com , then I sort, I will have

           

          Position of : l@bb.com =>  0

          Position of : dj@hotmail.com =>  1

          Position of : j@gmail.com =>  2

          Position of : b@bb.com =>  3

           

          the row selected in the table will still be the row with the index 3, which will be  b@bb.com instead of l@bb.com at the row 0 after the sort.

          I am not sure if I am missing something here or if is a bug or a normal behavior -Which I doubt !!!!