layoutstyle.html.svn-base

j2me设计的界面包

UNRELATED</H3>
<PRE>
public static final int <B>UNRELATED</B></PRE>
<DL>
<DD>Possible argument to getPreferredGap.  Used to indicate the two componets
 are not grouped together.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#com.sun.lwuit.layouts.LayoutStyle.UNRELATED">Constant Field Values</A></DL>
</DL>
<HR>

<A NAME="INDENT"><!-- --></A><H3>
INDENT</H3>
<PRE>
public static final int <B>INDENT</B></PRE>
<DL>
<DD>Possible argument to getPreferredGap.  Used to indicate the distance
 to indent a component is being requested.  To visually indicate
 a set of related components they will often times be horizontally
 indented, the <code>INDENT</code> constant for this.
 For example, to indent a check box relative to a label use this
 constant to <code>getPreferredGap</code>.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#com.sun.lwuit.layouts.LayoutStyle.INDENT">Constant Field Values</A></DL>
</DL>

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<A NAME="LayoutStyle()"><!-- --></A><H3>
LayoutStyle</H3>
<PRE>
public <B>LayoutStyle</B>()</PRE>
<DL>
</DL>

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<A NAME="setSharedInstance(com.sun.lwuit.layouts.LayoutStyle)"><!-- --></A><H3>
setSharedInstance</H3>
<PRE>
public static void <B>setSharedInstance</B>(<A HREF="../../../../com/sun/lwuit/layouts/LayoutStyle.html" title="class in com.sun.lwuit.layouts">LayoutStyle</A>&nbsp;layout)</PRE>
<DL>
<DD>Sets the LayoutStyle instance to use for this look and feel.
 You generally don't need to invoke this, instead use the getter which
 will return the LayoutStyle appropriate for the current look and feel.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>layout</CODE> - the LayoutStyle to use; a value of null indicates 
        the default should be used</DL>
</DD>
</DL>
<HR>

<A NAME="getSharedInstance()"><!-- --></A><H3>
getSharedInstance</H3>
<PRE>
public static <A HREF="../../../../com/sun/lwuit/layouts/LayoutStyle.html" title="class in com.sun.lwuit.layouts">LayoutStyle</A> <B>getSharedInstance</B>()</PRE>
<DL>
<DD>Factory methods for obtaining the current <code>LayoutStyle</code>
 object appropriate for the current look and feel.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>the current LayoutStyle instance</DL>
</DD>
</DL>
<HR>

<A NAME="getPreferredGap(com.sun.lwuit.Component, com.sun.lwuit.Component, int, int, com.sun.lwuit.Container)"><!-- --></A><H3>
getPreferredGap</H3>
<PRE>
public int <B>getPreferredGap</B>(<A HREF="../../../../com/sun/lwuit/Component.html" title="class in com.sun.lwuit">Component</A>&nbsp;component1,
                           <A HREF="../../../../com/sun/lwuit/Component.html" title="class in com.sun.lwuit">Component</A>&nbsp;component2,
                           int&nbsp;type,
                           int&nbsp;position,
                           <A HREF="../../../../com/sun/lwuit/Container.html" title="class in com.sun.lwuit">Container</A>&nbsp;parent)</PRE>
<DL>
<DD>Returns the amount of space to use between two components.
 The return value indicates the distance to place
 <code>component2</code> relative to <code>component1</code>.
 For example, the following returns the amount of space to place
 between <code>component2</code> and <code>component1</code>
 when <code>component2</code> is placed vertically above
 <code>component1</code>:
 <pre>
   int gap = getPreferredGap(component1, component2,
                             LayoutStyle.RELATED,
                             SwingConstants.NORTH, parent);
 </pre>
 The <code>type</code> parameter indicates the type 
 of gap being requested.  It can be one of the following values:
 <table>
 <tr><td><code>RELATED</code>
     <td>If the two components will be contained in
         the same parent and are showing similar logically related
         items, use <code>RELATED</code>.
 <tr><td><code>UNRELATED</code>
     <td>If the two components will be
          contained in the same parent but show logically unrelated items
          use <code>UNRELATED</code>.
 <tr><td><code>INDENT</code>
     <td>Used to obtain the preferred distance to indent a component
         relative to another.  For example, if you want to horizontally
         indent a JCheckBox relative to a JLabel use <code>INDENT</code>.
         This is only useful for the horizontal axis.
 </table>
 <p>
 It's important to note that some look and feels may not distinguish
 between <code>RELATED</code> and <code>UNRELATED</code>.
 <p>
 The return value is not intended to take into account the
 current size and position of <code>component2</code> or
 <code>component1</code>.  The return value may take into
 consideration various properties of the components.  For
 example, the space may vary based on font size, or the preferred
 size of the component.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>component1</CODE> - the <code>JComponent</code>
               <code>component2</code> is being placed relative to<DD><CODE>component2</CODE> - the <code>JComponent</code> being placed<DD><CODE>type</CODE> - how the two components are being placed<DD><CODE>position</CODE> - the position <code>component2</code> is being placed 
        relative to <code>component1</code>; one of
        <code>SwingConstants.NORTH</code>,
        <code>SwingConstants.SOUTH</code>,
        <code>SwingConstants.EAST</code> or
        <code>SwingConstants.WEST</code><DD><CODE>parent</CODE> - the parent of <code>component2</code>; this may differ
        from the actual parent and may be null
<DT><B>Returns:</B><DD>the amount of space to place between the two components
<DT><B>Throws:</B>
<DD><CODE>java.lang.IllegalArgumentException</CODE> - if <code>position</code> is not
         one of <code>SwingConstants.NORTH</code>,
         <code>SwingConstants.SOUTH</code>,
         <code>SwingConstants.EAST</code> or 
         <code>SwingConstants.WEST</code>; <code>type</code> not one
         of <code>INDENT</code>, <code>RELATED</code>
         or <code>UNRELATED</code>; or <code>component1</code> or
         <code>component2</code> is null</DL>
</DD>
</DL>
<HR>

<A NAME="getContainerGap(com.sun.lwuit.Component, int, com.sun.lwuit.Container)"><!-- --></A><H3>
getContainerGap</H3>
<PRE>
public int <B>getContainerGap</B>(<A HREF="../../../../com/sun/lwuit/Component.html" title="class in com.sun.lwuit">Component</A>&nbsp;component,
                           int&nbsp;position,
                           <A HREF="../../../../com/sun/lwuit/Container.html" title="class in com.sun.lwuit">Container</A>&nbsp;parent)</PRE>
<DL>
<DD>Returns the amount of space to position a component inside its
 parent.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>component</CODE> - the <code>Component</code> being positioned<DD><CODE>position</CODE> - the position <code>component</code> is being placed 
        relative to its parent; one of
        <code>SwingConstants.NORTH</code>,
        <code>SwingConstants.SOUTH</code>,
        <code>SwingConstants.EAST</code> or
        <code>SwingConstants.WEST</code><DD><CODE>parent</CODE> - the parent of <code>component</code>; this may differ
        from the actual parent and may be null
<DT><B>Returns:</B><DD>the amount of space to place between the component and specified
         edge
<DT><B>Throws:</B>
<DD><CODE>java.lang.IllegalArgumentException</CODE> - if <code>position</code> is not
         one of <code>SwingConstants.NORTH</code>,
         <code>SwingConstants.SOUTH</code>,
         <code>SwingConstants.EAST</code> or 
         <code>SwingConstants.WEST</code>;
         or <code>component</code> is null</DL>
</DD>
</DL>
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