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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Frameset//EN""http://www.w3.org/TR/REC-html40/frameset.dtd"><!--NewPage--><HTML><HEAD><!-- Generated by javadoc on Thu Apr 27 23:38:07 PDT 2000 --><TITLE>Java 2 Platform SE v1.3: Interface MenuElement</TITLE><LINK REL ="stylesheet" TYPE="text/css" HREF="../../stylesheet.css" TITLE="Style"></HEAD><BODY BGCOLOR="white"><!-- ========== START OF NAVBAR ========== --><A NAME="navbar_top"><!-- --></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0"><TR><TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_top_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3"> <TR ALIGN="center" VALIGN="top"> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD> <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="class-use/MenuElement.html"><FONT CLASS="NavBarFont1"><B>Use</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../index-files/index-1.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> </TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM><b>Java<sup><font size=-2>TM</font></sup> 2 Platform<br>Std. Ed. v1.3</b></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../javax/swing/ListSelectionModel.html"><B>PREV CLASS</B></A> <A HREF="../../javax/swing/MutableComboBoxModel.html"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../index.html" TARGET="_top"><B>FRAMES</B></A> <A HREF="MenuElement.html" TARGET="_top"><B>NO FRAMES</B></A></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: INNER | FIELD | CONSTR | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: FIELD | CONSTR | <A HREF="#method_detail">METHOD</A></FONT></TD></TR></TABLE><!-- =========== END OF NAVBAR =========== --><HR><!-- ======== START OF CLASS DATA ======== --><H2><FONT SIZE="-1">javax.swing</FONT><BR>Interface MenuElement</H2><DL><DT><B>All Known Implementing Classes:</B> <DD><A HREF="../../javax/swing/JMenu.html">JMenu</A>, <A HREF="../../javax/swing/JMenuBar.html">JMenuBar</A>, <A HREF="../../javax/swing/JMenuItem.html">JMenuItem</A>, <A HREF="../../javax/swing/JPopupMenu.html">JPopupMenu</A></DD></DL><HR><DL><DT>public interface <B>MenuElement</B></DL><P>Any component that can be placed into a menu should implement this interface. This interface is used by MenuSelection to handle selection and navigation in menu hierarchies.<P><HR><P><!-- ======== INNER CLASS SUMMARY ======== --><!-- =========== FIELD SUMMARY =========== --><!-- ======== CONSTRUCTOR SUMMARY ======== --><!-- ========== METHOD SUMMARY =========== --><A NAME="method_summary"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Method Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../java/awt/Component.html">Component</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/swing/MenuElement.html#getComponent()">getComponent</A></B>()</CODE><BR> This method should return the java.awt.Component used to paint the receiving element.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../javax/swing/MenuElement.html">MenuElement</A>[]</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/swing/MenuElement.html#getSubElements()">getSubElements</A></B>()</CODE><BR> This method should return an array containing the sub-elements for the receiving menu element</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/swing/MenuElement.html#menuSelectionChanged(boolean)">menuSelectionChanged</A></B>(boolean isIncluded)</CODE><BR> Call by the MenuSelection when the MenuElement is added or remove from the menu selection.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/swing/MenuElement.html#processKeyEvent(java.awt.event.KeyEvent, javax.swing.MenuElement[], javax.swing.MenuSelectionManager)">processKeyEvent</A></B>(<A HREF="../../java/awt/event/KeyEvent.html">KeyEvent</A> event, <A HREF="../../javax/swing/MenuElement.html">MenuElement</A>[] path, <A HREF="../../javax/swing/MenuSelectionManager.html">MenuSelectionManager</A> manager)</CODE><BR> Process a key event.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/swing/MenuElement.html#processMouseEvent(java.awt.event.MouseEvent, javax.swing.MenuElement[], javax.swing.MenuSelectionManager)">processMouseEvent</A></B>(<A HREF="../../java/awt/event/MouseEvent.html">MouseEvent</A> event, <A HREF="../../javax/swing/MenuElement.html">MenuElement</A>[] path, <A HREF="../../javax/swing/MenuSelectionManager.html">MenuSelectionManager</A> manager)</CODE><BR> Process a mouse event.</TD></TR></TABLE> <P><!-- ============ FIELD DETAIL =========== --><!-- ========= CONSTRUCTOR DETAIL ======== --><!-- ============ METHOD DETAIL ========== --><A NAME="method_detail"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=1><FONT SIZE="+2"><B>Method Detail</B></FONT></TD></TR></TABLE><A NAME="processMouseEvent(java.awt.event.MouseEvent, javax.swing.MenuElement[], javax.swing.MenuSelectionManager)"><!-- --></A><H3>processMouseEvent</H3><PRE>public void <B>processMouseEvent</B>(<A HREF="../../java/awt/event/MouseEvent.html">MouseEvent</A> event, <A HREF="../../javax/swing/MenuElement.html">MenuElement</A>[] path, <A HREF="../../javax/swing/MenuSelectionManager.html">MenuSelectionManager</A> manager)</PRE><DL><DD>Process a mouse event. event is a MouseEvent with source being the receiving element's component. path is the path of the receiving element in the menu hierarchy including the receiving element itself. manager is the MenuSelectionManager for the menu hierarchy. This method should process the MouseEvent and change the menu selection if necessary by using MenuSelectionManager's API Note: you do not have to forward the event to sub-components. This is done automatically by the MenuSelectionManager</DL><HR><A NAME="processKeyEvent(java.awt.event.KeyEvent, javax.swing.MenuElement[], javax.swing.MenuSelectionManager)"><!-- --></A><H3>processKeyEvent</H3><PRE>public void <B>processKeyEvent</B>(<A HREF="../../java/awt/event/KeyEvent.html">KeyEvent</A> event, <A HREF="../../javax/swing/MenuElement.html">MenuElement</A>[] path, <A HREF="../../javax/swing/MenuSelectionManager.html">MenuSelectionManager</A> manager)</PRE><DL><DD>Process a key event.</DL><HR><A NAME="menuSelectionChanged(boolean)"><!-- --></A><H3>menuSelectionChanged</H3><PRE>public void <B>menuSelectionChanged</B>(boolean isIncluded)</PRE><DL><DD>Call by the MenuSelection when the MenuElement is added or remove from the menu selection.</DL><HR><A NAME="getSubElements()"><!-- --></A><H3>getSubElements</H3><PRE>public <A HREF="../../javax/swing/MenuElement.html">MenuElement</A>[] <B>getSubElements</B>()</PRE><DL><DD>This method should return an array containing the sub-elements for the receiving menu element<DD><DL><DT><B>Returns:</B><DD>an array of MenuElements</DL></DD></DL><HR><A NAME="getComponent()"><!-- --></A><H3>getComponent</H3><PRE>public <A HREF="../../java/awt/Component.html">Component</A> <B>getComponent</B>()</PRE><DL><DD>This method should return the java.awt.Component used to paint the receiving element. The returned component will be used to convert events and detect if an event is inside a MenuElement's component.<DD><DL><DT><B>Returns:</B><DD>the Component value</DL></DD></DL><!-- ========= END OF CLASS DATA ========= --><HR><!-- ========== START OF NAVBAR ========== --><A NAME="navbar_bottom"><!-- --></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0"><TR><TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_bottom_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3"> <TR ALIGN="center" VALIGN="top"> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD> <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="class-use/MenuElement.html"><FONT CLASS="NavBarFont1"><B>Use</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../index-files/index-1.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> </TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM><b>Java<sup><font size=-2>TM</font></sup> 2 Platform<br>Std. Ed. v1.3</b></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../javax/swing/ListSelectionModel.html"><B>PREV CLASS</B></A> <A HREF="../../javax/swing/MutableComboBoxModel.html"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../index.html" TARGET="_top"><B>FRAMES</B></A> <A HREF="MenuElement.html" TARGET="_top"><B>NO FRAMES</B></A></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: INNER | FIELD | CONSTR | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: FIELD | CONSTR | <A HREF="#method_detail">METHOD</A></FONT></TD></TR></TABLE><!-- =========== END OF NAVBAR =========== --><HR><font size="-1"><a href="http://java.sun.com/cgi-bin/bugreport.cgi">Submit a bug or feature</a><br>For further API reference and developer documentation, see <a href="http://java.sun.com/products/jdk/1.3/devdocs-vs-specs.html">Java 2 SDK SE Developer Documentation</a>. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples. <p>Java, Java 2D, and JDBC are trademarks or registered trademarks of Sun Microsystems, Inc. in the US and other countries.<br>Copyright 1993-2000 Sun Microsystems, Inc. 901 San Antonio Road<br>Palo Alto, California, 94303, U.S.A. All Rights Reserved.</font></BODY></HTML>⌨️ 快捷键说明
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