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Java Source Code / Java Documentation » 6.0 JDK Modules » j2me » com.sun.midp.chameleon.layers 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   com.sun.midp.chameleon.CLayer
      com.sun.midp.chameleon.layers.PopupLayer
         com.sun.midp.chameleon.layers.ScrollablePopupLayer
            com.sun.midp.chameleon.layers.MenuLayer

MenuLayer
public class MenuLayer extends ScrollablePopupLayer (Code)
A special popup layer which implements a system menu. The system menu is a collection of commands, both screen (Back, Exit, etc) and item specific commands.


Field Summary
protected  SoftButtonLayerbtnLayer
     The SoftButtonLayer maintains the overall set of commands and their associated listeners.
protected  CascadeMenuLayercascadeMenu
     A cascading menu which holds commands for a SubMenuCommand.
protected  booleancascadeMenuUp
     A flag indicating if a cascading menu is visible.
protected  Command[]menuCmds
     The list of Commands to display in the menu.
protected  intscrollIndex
     The number of commands which have been scrolled off the top of the menu, normally 0 unless there are more commands than can fit on the menu.
protected  intselI
     The currently selected index in the menu.

Constructor Summary
public  MenuLayer()
     Construct a new system menu layer.

Method Summary
protected  voidalignMenu()
     Aligns the menu to the current screen.
public  voiddismiss()
     Cleans up the display when the cascaded menu is dismissed.
public  voiddismissCascadeMenu()
     Cleans up the display when the cascaded menu is dismissed.
public  intgetIndex()
     Gets index of highlighted command.
protected  voidinitialize()
     Initializes the menu parameters.
public  booleankeyInput(int type, int keyCode)
     Handles key input from a keypad.
protected  voidpaintBody(Graphics g)
     Renders the body of the menu.
public  booleanpointerInput(int type, int x, int y)
     Handle input from a pen tap.
public  voidscrollContent(int scrollType, int thumbPosition)
     Scroll content inside of the Menu.
Parameters:
  scrollType - scrollType.
public  voidsetMenuCommands(Command[] cmdList, SoftButtonLayer btnLayer, int index)
     Called typically by the SoftButtonLayer to establish the set of Commands to display on this system menu.
public  voidsubCommandSelected(Command cmd)
     Notifies listener that a command has been selected.
 voiduScrollAt(int position)
     Perform a scrolling at the given position.
public  voidupdate(CLayer[] layers)
    
public  voidupdateScrollIndicator()
     Updates the scroll indicator.

Field Detail
btnLayer
protected SoftButtonLayer btnLayer(Code)
The SoftButtonLayer maintains the overall set of commands and their associated listeners.



cascadeMenu
protected CascadeMenuLayer cascadeMenu(Code)
A cascading menu which holds commands for a SubMenuCommand.



cascadeMenuUp
protected boolean cascadeMenuUp(Code)
A flag indicating if a cascading menu is visible.



menuCmds
protected Command[] menuCmds(Code)
The list of Commands to display in the menu.



scrollIndex
protected int scrollIndex(Code)
The number of commands which have been scrolled off the top of the menu, normally 0 unless there are more commands than can fit on the menu.



selI
protected int selI(Code)
The currently selected index in the menu.




Constructor Detail
MenuLayer
public MenuLayer()(Code)
Construct a new system menu layer.




Method Detail
alignMenu
protected void alignMenu()(Code)
Aligns the menu to the current screen.



dismiss
public void dismiss()(Code)
Cleans up the display when the cascaded menu is dismissed. Removes the layer with the menu and requests the display to be repainted.



dismissCascadeMenu
public void dismissCascadeMenu()(Code)
Cleans up the display when the cascaded menu is dismissed. Removes the layer with the menu and requests the display to be repainted.



getIndex
public int getIndex()(Code)
Gets index of highlighted command. highlighted index



initialize
protected void initialize()(Code)
Initializes the menu parameters.



keyInput
public boolean keyInput(int type, int keyCode)(Code)
Handles key input from a keypad. Parameters describe the type of key event and the platform-specific code for the key. (Codes are translated using the lcdui.Canvas)
Parameters:
  type - the type of key event
Parameters:
  keyCode - the numeric code assigned to the key true if the input has been processed by thismethod, otherwise false (soft menu keys)



paintBody
protected void paintBody(Graphics g)(Code)
Renders the body of the menu.
Parameters:
  g - the graphics context to be updated



pointerInput
public boolean pointerInput(int type, int x, int y)(Code)
Handle input from a pen tap. Parameters describe the type of pen event and the x,y location in the layer at which the event occurred. Important : the x,y location of the pen tap will already be translated into the coordinate space of the layer.
Parameters:
  type - the type of pen event
Parameters:
  x - the x coordinate of the event
Parameters:
  y - the y coordinate of the event



scrollContent
public void scrollContent(int scrollType, int thumbPosition)(Code)
Scroll content inside of the Menu.
Parameters:
  scrollType - scrollType. Scroll type can be one of the following
See Also:   ScrollBarLayer.SCROLL_NONE
See Also:   ScrollBarLayer.SCROLL_PAGEUP
See Also:   ScrollBarLayer.SCROLL_PAGEDOWN
See Also:   ScrollBarLayer.SCROLL_LINEUP
See Also:   ScrollBarLayer.SCROLL_LINEDOWN
See Also:    or
See Also:   ScrollBarLayer.SCROLL_THUMBTRACK
Parameters:
  thumbPosition -



setMenuCommands
public void setMenuCommands(Command[] cmdList, SoftButtonLayer btnLayer, int index)(Code)
Called typically by the SoftButtonLayer to establish the set of Commands to display on this system menu. This method will create a new copy of the array of commands passed in.
Parameters:
  cmdList - the set of commands to display in the menu(the commands should already be sorted by priority)
Parameters:
  btnLayer - the SoftButtonLayer to notify of any commandselections
Parameters:
  index - the command index has to be highlighted. If index exceedsthe number of commands the 1st command has to be highlighted.



subCommandSelected
public void subCommandSelected(Command cmd)(Code)
Notifies listener that a command has been selected. Dismisses the cascaded menu and the button layer.
Parameters:
  cmd - the command that was selected



uScrollAt
void uScrollAt(int position)(Code)
Perform a scrolling at the given position.
Parameters:
  context - position



update
public void update(CLayer[] layers)(Code)
Update bounds of layer
Parameters:
  layers - - current layer can be dependant on this parameter



updateScrollIndicator
public void updateScrollIndicator()(Code)
Updates the scroll indicator.



Fields inherited from com.sun.midp.chameleon.layers.ScrollablePopupLayer
protected ScrollIndLayer scrollInd(Code)(Java Doc)

Methods inherited from com.sun.midp.chameleon.layers.ScrollablePopupLayer
public void addDirtyRegion()(Code)(Java Doc)
public void scrollContent(int scrollType, int thumbPosition)(Code)(Java Doc)
public void setScrollInd(ScrollIndLayer newScrollInd)(Code)(Java Doc)
public void update(CLayer[] layers)(Code)(Java Doc)
public void updateScrollIndicator()(Code)(Java Doc)

Fields inherited from com.sun.midp.chameleon.layers.PopupLayer
protected Command[] commands(Code)(Java Doc)
protected CommandListener listener(Code)(Java Doc)

Methods inherited from com.sun.midp.chameleon.layers.PopupLayer
public CommandListener getCommandListener()(Code)(Java Doc)
public Command[] getCommands()(Code)(Java Doc)
public boolean handlePoint(int x, int y)(Code)(Java Doc)
public void setCommandListener(CommandListener listener)(Code)(Java Doc)
public void setCommands(Command[] commands)(Code)(Java Doc)
public void setVisible(boolean visible)(Code)(Java Doc)

Fields inherited from com.sun.midp.chameleon.CLayer
final public static int H(Code)(Java Doc)
final public static int W(Code)(Java Doc)
final public static int X(Code)(Java Doc)
final public static int Y(Code)(Java Doc)
protected int bgColor(Code)(Java Doc)
protected Image[] bgImage(Code)(Java Doc)
public int[] bounds(Code)(Java Doc)
protected int[] boundsCopy(Code)(Java Doc)
protected int[] dirtyBounds(Code)(Java Doc)
protected int[] dirtyBoundsCopy(Code)(Java Doc)
protected boolean opaque(Code)(Java Doc)
protected CWindow owner(Code)(Java Doc)
protected boolean supportsInput(Code)(Java Doc)
protected boolean tileBG(Code)(Java Doc)
protected boolean transparent(Code)(Java Doc)
protected boolean visible(Code)(Java Doc)

Methods inherited from com.sun.midp.chameleon.CLayer
public void addDirtyRegion()(Code)(Java Doc)
public boolean addDirtyRegion(int x, int y, int w, int h)(Code)(Java Doc)
public void addNotify()(Code)(Java Doc)
protected void cleanDirty()(Code)(Java Doc)
protected void cleanDirtyRegions()(Code)(Java Doc)
public boolean containsPoint(int x, int y)(Code)(Java Doc)
public int[] getBounds()(Code)(Java Doc)
public boolean handlePoint(int x, int y)(Code)(Java Doc)
protected void initialize()(Code)(Java Doc)
public boolean isDirty()(Code)(Java Doc)
protected boolean isEmptyDirtyRegions()(Code)(Java Doc)
public boolean isOpaque()(Code)(Java Doc)
public boolean isVisible()(Code)(Java Doc)
public boolean keyInput(int type, int code)(Code)(Java Doc)
protected String layerID()(Code)(Java Doc)
public boolean methodInput(String str)(Code)(Java Doc)
public void paint(Graphics g)(Code)(Java Doc)
protected void paintBackground(Graphics g)(Code)(Java Doc)
protected void paintBody(Graphics g)(Code)(Java Doc)
public boolean pointerInput(int type, int x, int y)(Code)(Java Doc)
public void relocateNotify(int[] oldBounds)(Code)(Java Doc)
public void removeNotify(CWindow owner)(Code)(Java Doc)
public void requestRepaint()(Code)(Java Doc)
public void requestRepaint(int x, int y, int w, int h)(Code)(Java Doc)
public void setBackground(Image bgImage, boolean tileBG, int bgColor)(Code)(Java Doc)
public void setBackground(Image[] bgImages, int bgColor)(Code)(Java Doc)
public void setBounds(int x, int y, int w, int h)(Code)(Java Doc)
protected void setDirty()(Code)(Java Doc)
protected void setDirtyButNotNotifyOwner()(Code)(Java Doc)
public void setOpaque(boolean opaque)(Code)(Java Doc)
public void setSupportsInput(boolean support)(Code)(Java Doc)
public void setVisible(boolean visible)(Code)(Java Doc)
public boolean supportsInput()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
public void update(CLayer[] mainLayers)(Code)(Java Doc)

Methods inherited from java.lang.Object
public boolean equals(Object obj)(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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