org.apache.click.examples.page.tree

Class TreePage

java.lang.Object

org.apache.click.Page

org.apache.click.examples.page.BorderPage

org.apache.click.examples.page.tree.TreePage

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

PageLinkTreePage

public class TreePage
extends BorderPage

Example usage of the Tree control.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected org.apache.click.extras.tree.Tree	tree
static String	TREE_NODES_SESSION_KEY

Fields inherited from class org.apache.click.Page

controls, format, forward, headElements, headers, includeControlHeadElements, messages, model, PAGE_ACTION, PAGE_MESSAGES, pageImports, path, redirect, stateful, template

Constructor Summary

Constructors

Constructor and Description
TreePage()

Method Summary

Methods

Modifier and Type	Method and Description
protected org.apache.click.extras.tree.Tree	buildTree() Build the tree and tree nodes and store the nodes in the session.
protected org.apache.click.extras.tree.TreeNode	createNodes() Create the tree nodes.
protected org.apache.click.extras.tree.Tree	createTree() Creates and return a new tree instance.
protected String	getSessionKey() Return the string under which the nodes are stored in the session.
protected org.apache.click.extras.tree.TreeNode	loadNodesFromSession() Retrieve the tree nodes from the session if available.
void	onGet()
void	onInit()
protected void	storeNodesInSession(org.apache.click.extras.tree.TreeNode rootNode) Store the tree nodes in the session

Methods inherited from class org.apache.click.examples.page.BorderPage

getTemplate, onDestroy

Methods inherited from class org.apache.click.Page

addControl, addModel, getContentType, getContext, getControls, getFormat, getForward, getHeadElements, getHeaders, getHtmlImports, getMessage, getMessage, getMessages, getModel, getPageImports, getPath, getRedirect, hasControls, hasHeaders, isIncludeControlHeadElements, isStateful, onPost, onRender, onSecurityCheck, removeControl, setFormat, setForward, setForward, setForward, setHeader, setHeaders, setIncludeControlHeadElements, setPageImports, setPath, setRedirect, setRedirect, setRedirect, setRedirect, setStateful, setTemplate

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

TREE_NODES_SESSION_KEY

public static final String TREE_NODES_SESSION_KEY

See Also:

Constant Field Values

tree

protected org.apache.click.extras.tree.Tree tree

Constructor Detail

TreePage

public TreePage()

Method Detail

onInit

public void onInit()

Overrides:

onInit in class BorderPage

See Also:

Page.onInit()

onGet

public void onGet()

Overrides:

onGet in class Page

See Also:

Page.onGet()

createTree

protected org.apache.click.extras.tree.Tree createTree()

Creates and return a new tree instance.

buildTree

protected org.apache.click.extras.tree.Tree buildTree()

Build the tree and tree nodes and store the nodes in the session.

createNodes

protected org.apache.click.extras.tree.TreeNode createNodes()

Create the tree nodes. The nodes represents a directory consisting of files and folders as found on an Operating System.

Returns:

the root tree node

getSessionKey

protected String getSessionKey()

Return the string under which the nodes are stored in the session.

Returns:

the string under which the nodes are stored in the session

storeNodesInSession

protected void storeNodesInSession(org.apache.click.extras.tree.TreeNode rootNode)

Store the tree nodes in the session

loadNodesFromSession

protected org.apache.click.extras.tree.TreeNode loadNodesFromSession()

Retrieve the tree nodes from the session if available. Otherwise we return null.