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## org.richfaces.component.state.events
Interface TreeStateCommandsListener

All Superinterfaces:
  java.util.EventListener, javax.faces.event.FacesListener

All Known Implementing Classes:
  TreeState

    public interface TreeStateCommandsListener

extends javax.faces.event.FacesListener

Author:
  Nick - mailto:nbelaevski@exadel.com created 01.12.2006

Method Summary
`void` | `collapseAll(UITree tree)`
`void` | `collapseNode(UITree tree, org.richfaces.model.TreeRowKey rowKey)`
`void` | `expandAll(UITree tree)`
`void` | `expandNode(UITree tree, org.richfaces.model.TreeRowKey rowKey)`

Method Detail

### expandNode

    void expandNode(UITree tree,
                    org.richfaces.model.TreeRowKey rowKey)
                    throws java.io.IOException

  Throws:
    `java.io.IOException`

### collapseNode

    void collapseNode(UITree tree,
                      org.richfaces.model.TreeRowKey rowKey)
                      throws java.io.IOException

  Throws:
    `java.io.IOException`

### expandAll

    void expandAll(UITree tree)
                   throws java.io.IOException

  Throws:
    `java.io.IOException`

### collapseAll

    void collapseAll(UITree tree)
                     throws java.io.IOException

  Throws:
    `java.io.IOException`

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