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

Package org.apache.myfaces.trinidad.model

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

org.apache.myfaces.trinidad.model.RowKeySet
This Set is a mutable collection of rowKeys. This class is meant to be used with models that have a current rowKey concept. Therefore, the {@link #add()}, {@link #remove()} and {@link #isContained} methodsdo not need to take the rowKey as an argument, since the rowKey is implied. The implied key is obtained by calling {@link #getRowKey()}
Because this Set has a reference to the underlying model, operations like {@link #addAll()}, {@link #removeAll()} and {@link #invertAll()} mayexecute in constant time.
Note that the {@link #size()} method on the this Set might be expensive tocompute. Use the {@link #getSize()} method on this class for an inexpensive size. @author The Oracle ADF Faces Team

      if (oldValue != _newKeySet)
      {
        // if the old value is a RowKeySet, we can replace in place
        if (oldValue instanceof RowKeySet)
        {
          RowKeySet oldKeySet = (RowKeySet)oldValue;
          
          oldKeySet.clear();
          
          if (_newKeySet != null)
          {
            oldKeySet.addAll(_newKeySet);
          }
        }
        else
        {
          // if the oldKeySet is null, just set the new keySet

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      broadcastToMethodExpression(event, getRangeChangeListener());
    }
    else if (event instanceof RowDisclosureEvent)
    {
      RowDisclosureEvent eEvent = (RowDisclosureEvent) event;
      RowKeySet set = getDisclosedRowKeys();
      set.addAll(eEvent.getAddedSet());
      set.removeAll(eEvent.getRemovedSet());
      addAttributeChange("disclosedRowKeys", set);
      broadcastToMethodExpression(event, getRowDisclosureListener());
    }
    else if (event instanceof SortEvent)
    {

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   * row when using a table with single selection.
   * @return null if there is nothing selected in the table.
   */
  public Object getSelectedRowData()
  {
    RowKeySet state = getSelectedRowKeys();
    Iterator<Object> keys = state.iterator();
    if (keys.hasNext())
    {
      Object key = keys.next();
      CollectionModel model = getCollectionModel();
      Object old = model.getRowKey();

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  }
  
  @Override
  protected void postCreateCollectionModel(CollectionModel model)
  {
    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);

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    {
      int startIndex = getFirst();
      int endIndex = isShowAll() ? getRowCount()-1 : TableUtils.getLast(this);


      UIComponent detail = getDetailStamp();
      RowKeySet disclosureState =
        (detail == null) ? null : getDisclosedRowKeys();


      for (int i = startIndex; i <= endIndex; i++)
      {
        setRowIndex(i);
        if (isRowAvailable())
        {
          TableUtils.processStampedChildren(context, this, phaseId);
  
          if ((disclosureState != null) && disclosureState.isContained())
          {
            assert getRowIndex() == i;
            processComponent(context, detail, phaseId);
          }
        }

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          // is not asked for which would create an infinite loop
          _retrievingDisclosedRows = true;


          try
          {
            RowKeySet rowKeys = (RowKeySet) value;
            // row key sets need the most recent collection model, but there is no one common entry
            // point to set this on the set besides when code asks for the value from the bean
            __flushCachedModel();  //insist that we populate with the very lastest instance of the collection model
            rowKeys.setCollectionModel(getCollectionModel());
          }
          finally
          {
            _retrievingDisclosedRows = false;
          }
        }
      }
      else if (key == SELECTED_ROW_KEYS_KEY)
      {
        if (!_retrievingSelectedRows && value instanceof RowKeySet)
        {
          // Ensure that when we are retrieving and setting the collection model, this property
          // is not asked for which would create an infinite loop
          _retrievingSelectedRows = true;


          try
          {
            RowKeySet rowKeys = (RowKeySet) value;
            // row key sets need the most recent collection model, but there is no one common entry
            // point to set this on the set besides when code asks for the value from the bean
            __flushCachedModel();  //insist that we populate with the very lastest instance of the collection model
            rowKeys.setCollectionModel(getCollectionModel());
          }
          finally
          {
            _retrievingSelectedRows = false;
          }

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    }


    @Override
    public Object saveState(FacesContext context)
    {
      RowKeySet rowKeys = (RowKeySet)super.getProperty(DISCLOSED_ROW_KEYS_KEY);
      if (rowKeys != null)
      {
        // make sure the set does not pin the model in memory
        rowKeys.setCollectionModel(null);
      }
      rowKeys = (RowKeySet)super.getProperty(SELECTED_ROW_KEYS_KEY);
      if (rowKeys != null)
      {
        // make sure the set does not pin the model in memory
        rowKeys.setCollectionModel(null);
      }
      return super.saveState(context);
    }

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  @Override
 public CollectionModel createCollectionModel(CollectionModel current, Object value)
  {
    TreeModel model = (TreeModel)super.createCollectionModel(current, value);
    RowKeySet treeState = getDisclosedRowKeys();
    treeState.setCollectionModel(model);
    return model;
  }

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  {
    Object oldPath = getRowKey();


    // if we are only visiting rendered stamps, then pass in the disclosed row keys, otherwise
    // pass in null, indicating that all row keys should be visited
    RowKeySet disclosedRowKeys = (visitContext.getHints().contains(VisitHint.SKIP_UNRENDERED))
                                   ? getDisclosedRowKeys()
                                   : null;


    setRowKey(null);

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        // is not asked for which would create an infinite loop
        _retrievingDisclosedRows = true;


        try
        {
          RowKeySet rowKeys = (RowKeySet) value;
          // row key sets need the most recent collection model, but there is no one common entry
          // point to set this on the set besides when code asks for the value from the bean
          __flushCachedModel();  //insist that we populate with the very lastest instance of the collection model
          rowKeys.setCollectionModel(getCollectionModel());
        }
        finally
        {
          _retrievingDisclosedRows = false;
        }

View Full Code Here

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