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Java Source Code / Java Documentation » Content Management System » TransferCM » com.methodhead.tree

Source Cross Reference Class Diagram Java Document (Java Doc)

java.lang .Object

com.methodhead.tree .TreeRenderer

com.methodhead.tree .ServerTreeRenderer

ServerTreeRenderer
public class ServerTreeRenderer extends TreeRenderer (Code)
	A `TreeRenderer` for trees whose state is maintained on the server. The renderer only renders those nodes that are visible, and a request must be made to open or close a node. A mechanism must exist on the server side to handle those requests. While more elaborate to implement, this approach makes it possible maintain a tree's state across requests.

Field Summary
protected String	closeUrl_
protected String	openUrl_

Method Summary
protected int	getMaxLevel(List nodes) Returns the level of the deepest level node in `nodes`.
protected void	getVisibleNodes(List rows, FoldingTreeNode node) Transforms the tree into a list of nodes that should be displayed.
protected void	renderFooter(StringBuffer buf) Renders the footer of the tree.
protected void	renderHeader(StringBuffer buf) Renders the header of the tree: a `table` tag.
protected void	renderNode(StringBuffer buf, int maxVisibleLevel, FoldingTreeNode node) Renders a node.
public String	renderTree(FoldingTreeNode root)
public void	setCloseUrl(String closeUrl) Sets the url to close a node; the hash code of the node to be closed will be appended to the end of this url.
public void	setOpenUrl(String openUrl) Sets the url to open a node; the hash code of the node to be opened will be appended to the end of this url.

Field Detail

closeUrl_
protected String closeUrl_(Code)

openUrl_
protected String openUrl_(Code)

Method Detail

getMaxLevel
protected int getMaxLevel(List nodes)(Code)
	Returns the level of the deepest level node in `nodes`.

getVisibleNodes
protected void getVisibleNodes(List rows, FoldingTreeNode node)(Code)
	Transforms the tree into a list of nodes that should be displayed.

renderFooter
protected void renderFooter(StringBuffer buf) throws TreeException(Code)
	Renders the footer of the tree.

renderHeader
protected void renderHeader(StringBuffer buf) throws TreeException(Code)
	Renders the header of the tree: a `table` tag.

renderNode
protected void renderNode(StringBuffer buf, int maxVisibleLevel, FoldingTreeNode node)(Code)
	Renders a node.

renderTree
public String renderTree(FoldingTreeNode root) throws TreeException(Code)

setCloseUrl
public void setCloseUrl(String closeUrl)(Code)
	Sets the url to close a node; the hash code of the node to be closed will be appended to the end of this url.

setOpenUrl
public void setOpenUrl(String openUrl)(Code)
	Sets the url to open a node; the hash code of the node to be opened will be appended to the end of this url.

Fields inherited from com.methodhead.tree.TreeRenderer

final public static String DEFAULT_ICON(Code)(Java Doc)
final public static String SPACER_ICON(Code)(Java Doc)

Methods inherited from com.methodhead.tree.TreeRenderer

public String getClosedHandleImage()(Code)(Java Doc)
public Map getIconImages()(Code)(Java Doc)
public String getOpenedHandleImage()(Code)(Java Doc)
public boolean isRootHidden()(Code)(Java Doc)
abstract public String renderTree(FoldingTreeNode root) throws TreeException(Code)(Java Doc)
public void setClosedHandleImage(String closedHandleImage)(Code)(Java Doc)
public void setIconImages(Map iconImages)(Code)(Java Doc)
public void setOpenedHandleImage(String openedHandleImage)(Code)(Java Doc)
public void setRootHidden(boolean rootHidden)(Code)(Java Doc)

Methods inherited from java.lang.Object

native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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