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## com.gwtext.client.widgets.tree.event
Interface TreeLoaderListener

All Known Implementing Classes:
  TreeLoaderListenerAdapter

    public interface TreeLoaderListener

Method Summary
`boolean` | `doBeforeLoad(TreeLoader self, TreeNode node)` Fires before a network request is made to retrieve the Json text which specifies a node's children.
`void` | `onLoad(TreeLoader self, TreeNode node, java.lang.String response)` Fires when the node has been successfuly loaded.
`void` | `onLoadException(TreeLoader self, TreeNode node, java.lang.String response)` Fires if the network request failed.

Method Detail

### doBeforeLoad

    boolean doBeforeLoad(TreeLoader self,
                         TreeNode node)

  Fires before a network request is made to retrieve the Json text which specifies a node's children.

  Parameters:
    `self` - this
    `node` - the node
  Returns:
    false to cancel

### onLoad

    void onLoad(TreeLoader self,
                TreeNode node,
                java.lang.String response)

  Fires when the node has been successfuly loaded.

  Parameters:
    `self` - this
    `node` - the node
    `response` - the response text containing the data from the server

### onLoadException

    void onLoadException(TreeLoader self,
                         TreeNode node,
                         java.lang.String response)

  Fires if the network request failed.

  Parameters:
    `self` - this
    `node` - the node
    `response` - the response containing the data from the server

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