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

Source Cross Reference Class Diagram Java Document (Java Doc)

java.lang .Object

com.methodhead.menu .MenuRenderer

MenuRenderer

public class MenuRenderer (Code)

Renders a DHTML menu using the HVMenu 5.5 (http://www.dynamicdrive.com/dynamicindex1/hvmenu/). The menu is logically defined using menu classes from the java.awt package. Assemble Menus and MenuItems almost as you would in a GUI application. Only a few of the awt methods are important however:

MenuItem.setLabel(): Sets the menu item's label.
MenuItem.setActionCommand(): Sets the menu item's URL; set to an empty string if it should not link to anything.

Also, MenuBar is not used at all. Instead, the menu bar is represented by the root Menu. Menu offers more methods to manage it contents.

HVMenu offers many configuration options. This renderer does not manage those options. Instead, this class renders only the menu definitions. Therefore, other script must be present for this to work right: the variables that define the look and operation of the menus and the menu script itself.

Field Summary
protected String	baseUrl_
protected int	fontHeightHint_
protected int	fontWidthHint_

Method Summary
protected static int	getLongestLabelLength(FoldingTreeNode menu) For the menu items in `menu`, returns the length of the longest label.
protected void	getMenuHtml(StringBuffer buf, FoldingTreeNode menu, int[] path, int width, int height)
protected static String	getVarName(int[] path) Returns the JavaScript variable name for a menu item at `path` (e.g., a path of `{1, 2}` results in `Menu1_2`).
public String	renderMenu(FoldingTreeNode menu) Returns a string containing the render menu definitions.
public void	setBaseUrl(String baseUrl) Sets the base url prepended to all action commands.
public void	setFontHeightHint(int height) Sets the approximate height of characters in the font used in the menu (defaults to 20).
public void	setFontWidthHint(int width) Sets the approximate width of characters in the font used in the menu (defaults to 10).

Field Detail

baseUrl_
protected String baseUrl_(Code)

fontHeightHint_
protected int fontHeightHint_(Code)

fontWidthHint_
protected int fontWidthHint_(Code)

Method Detail

getLongestLabelLength
protected static int getLongestLabelLength(FoldingTreeNode menu)(Code)
	For the menu items in `menu`, returns the length of the longest label.

getMenuHtml
protected void getMenuHtml(StringBuffer buf, FoldingTreeNode menu, int[] path, int width, int height)(Code)

getVarName
protected static String getVarName(int[] path)(Code)
	Returns the JavaScript variable name for a menu item at `path` (e.g., a path of `{1, 2}` results in `Menu1_2`).

renderMenu
public String renderMenu(FoldingTreeNode menu)(Code)
	Returns a string containing the render menu definitions.

setBaseUrl
public void setBaseUrl(String baseUrl)(Code)
	Sets the base url prepended to all action commands.

setFontHeightHint
public void setFontHeightHint(int height)(Code)
	Sets the approximate height of characters in the font used in the menu (defaults to 20).

setFontWidthHint
public void setFontWidthHint(int width)(Code)
	Sets the approximate width of characters in the font used in the menu (defaults to 10).

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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