Examples of CollectionModel

com.amazonaws.resources.internal.model.CollectionModel

The model definition of a type of collection object.

freemarker.ext.beans.CollectionModel

A special case of {@link BeanModel} that can wrap Java collectionsand that implements the {@link TemplateCollectionModel} in order to be usable in a <foreach> block.

@author Attila Szegedi @version $Id: CollectionModel.java,v 1.22 2003/06/03 13:21:32 szegedia Exp $

org.apache.myfaces.trinidad.model.CollectionModel

The data model that is used by the Trinidad Table and Iterator components. This extends the Faces DataModel class and adds on support for rowKeys and sorting. Ordinary DataModels are still supported, and will automatically be wrapped into CollectionModels, but without the added functionality.

Row key support

In the Faces DataModel, rows are identified entirely by index. This causes major problems if the underlying data changes from one request to the next - a user request to delete one row may delete a different row because a row got added by another user, etc. To work around this, CollectionModel is based around row keys instead of indices. An implementation of CollectionModel must implement getRowKey() and setRowKey(), and handle conversion from integer indices to row keys. A trivial implementation might simply use Integer objects as the row keys, but a better version could use a unique ID in the row.

@author The Oracle ADF Faces Team

  @Override
  protected final CollectionModel createCollectionModel(
    CollectionModel current,
    Object value)
  {
    CollectionModel model = super.createCollectionModel(current, value); 


    RowKeySet selectedRowKeys = getSelectedRowKeys();


    if (selectedRowKeys == null)
    {
      selectedRowKeys = new RowKeySetImpl();
      setSelectedRowKeys(selectedRowKeys);
    }


    RowKeySet disclosedRowKeys = getDisclosedRowKeys();


    if (disclosedRowKeys == null)
    {
      disclosedRowKeys = new RowKeySetImpl();
      setDisclosedRowKeys(disclosedRowKeys);
    }


    selectedRowKeys.setCollectionModel(model);
    disclosedRowKeys.setCollectionModel(model);


    // If we were perviously sorted, restore the sort order:
    if (_sortCriteria != null)
    {
      model.setSortCriteria(_sortCriteria);
    }


    return model;
  }

  private void _processStamps(
    FacesContext context,
    PhaseId phaseId)
  {
    // Process all the children
    CollectionModel tableData = getCollectionModel();
    if (tableData.getRowCount() != 0)
    {
      int startIndex = getFirst();
      int endIndex = isShowAll() ? getRowCount()-1 : TableUtils.getLast(this);


      UIComponent detail = getDetailStamp();

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Examples of CollectionModel

Row key support

Examples of org.apache.myfaces.trinidad.model.CollectionModel

Examples of org.apache.myfaces.trinidad.model.CollectionModel