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ButtonGroup (libgdx API)
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com.badlogic.gdx.scenes.scene2d.ui</FONT>
<BR>
Class ButtonGroup</H2>
<PRE>
java.lang.Object
  <IMG SRC="../../../../../../resources/inherit.gif" ALT="extended by "><B>com.badlogic.gdx.scenes.scene2d.ui.ButtonGroup</B>
</PRE>
<HR>
<DL>
<DT><PRE>public class <B>ButtonGroup</B><DT>extends java.lang.Object</DL>
</PRE>

<P>
Manages a group of buttons to enforce a minimum and maximum number of checked buttons. This enables "radio button"
 functionality and more. A button may only be in one group at a time.
<P>

<P>
<DL>
<DT><B>Author:</B></DT>
  <DD>Nathan Sweet</DD>
</DL>
<HR>

<P>

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<TD><CODE><B><A HREF="../../../../../../com/badlogic/gdx/scenes/scene2d/ui/ButtonGroup.html#ButtonGroup()">ButtonGroup</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../../../../com/badlogic/gdx/scenes/scene2d/ui/ButtonGroup.html#ButtonGroup(com.badlogic.gdx.scenes.scene2d.ui.Button...)">ButtonGroup</A></B>(<A HREF="../../../../../../com/badlogic/gdx/scenes/scene2d/ui/Button.html" title="class in com.badlogic.gdx.scenes.scene2d.ui">Button</A>...&nbsp;buttons)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
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<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../../com/badlogic/gdx/scenes/scene2d/ui/ButtonGroup.html#add(com.badlogic.gdx.scenes.scene2d.ui.Button...)">add</A></B>(<A HREF="../../../../../../com/badlogic/gdx/scenes/scene2d/ui/Button.html" title="class in com.badlogic.gdx.scenes.scene2d.ui">Button</A>...&nbsp;buttons)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
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<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../../com/badlogic/gdx/scenes/scene2d/ui/ButtonGroup.html#add(com.badlogic.gdx.scenes.scene2d.ui.Button)">add</A></B>(<A HREF="../../../../../../com/badlogic/gdx/scenes/scene2d/ui/Button.html" title="class in com.badlogic.gdx.scenes.scene2d.ui">Button</A>&nbsp;button)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected &nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../../com/badlogic/gdx/scenes/scene2d/ui/ButtonGroup.html#canCheck(com.badlogic.gdx.scenes.scene2d.ui.Button, boolean)">canCheck</A></B>(<A HREF="../../../../../../com/badlogic/gdx/scenes/scene2d/ui/Button.html" title="class in com.badlogic.gdx.scenes.scene2d.ui">Button</A>&nbsp;button,
         boolean&nbsp;newState)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Called when a button is checked or unchecked.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../../../../com/badlogic/gdx/utils/Array.html" title="class in com.badlogic.gdx.utils">Array</A>&lt;<A HREF="../../../../../../com/badlogic/gdx/scenes/scene2d/ui/Button.html" title="class in com.badlogic.gdx.scenes.scene2d.ui">Button</A>&gt;</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../../com/badlogic/gdx/scenes/scene2d/ui/ButtonGroup.html#getAllChecked()">getAllChecked</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../../../../com/badlogic/gdx/utils/Array.html" title="class in com.badlogic.gdx.utils">Array</A>&lt;<A HREF="../../../../../../com/badlogic/gdx/scenes/scene2d/ui/Button.html" title="class in com.badlogic.gdx.scenes.scene2d.ui">Button</A>&gt;</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../../com/badlogic/gdx/scenes/scene2d/ui/ButtonGroup.html#getButtons()">getButtons</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../../../../com/badlogic/gdx/scenes/scene2d/ui/Button.html" title="class in com.badlogic.gdx.scenes.scene2d.ui">Button</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../../com/badlogic/gdx/scenes/scene2d/ui/ButtonGroup.html#getChecked()">getChecked</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../../com/badlogic/gdx/scenes/scene2d/ui/ButtonGroup.html#remove(com.badlogic.gdx.scenes.scene2d.ui.Button...)">remove</A></B>(<A HREF="../../../../../../com/badlogic/gdx/scenes/scene2d/ui/Button.html" title="class in com.badlogic.gdx.scenes.scene2d.ui">Button</A>...&nbsp;buttons)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../../com/badlogic/gdx/scenes/scene2d/ui/ButtonGroup.html#remove(com.badlogic.gdx.scenes.scene2d.ui.Button)">remove</A></B>(<A HREF="../../../../../../com/badlogic/gdx/scenes/scene2d/ui/Button.html" title="class in com.badlogic.gdx.scenes.scene2d.ui">Button</A>&nbsp;button)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../../com/badlogic/gdx/scenes/scene2d/ui/ButtonGroup.html#setChecked(java.lang.String)">setChecked</A></B>(java.lang.String&nbsp;text)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sets the first <A HREF="../../../../../../com/badlogic/gdx/scenes/scene2d/ui/TextButton.html" title="class in com.badlogic.gdx.scenes.scene2d.ui"><CODE>TextButton</CODE></A> with the specified text to checked.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../../com/badlogic/gdx/scenes/scene2d/ui/ButtonGroup.html#setMaxCheckCount(int)">setMaxCheckCount</A></B>(int&nbsp;maxCheckCount)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sets the maximum number of buttons that can be checked.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../../com/badlogic/gdx/scenes/scene2d/ui/ButtonGroup.html#setMinCheckCount(int)">setMinCheckCount</A></B>(int&nbsp;minCheckCount)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sets the minimum number of buttons that must be checked.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../../com/badlogic/gdx/scenes/scene2d/ui/ButtonGroup.html#setUncheckLast(boolean)">setUncheckLast</A></B>(boolean&nbsp;uncheckLast)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;If true, when the maximum number of buttons are checked and an additional button is checked, the last button to be checked
 is unchecked so that the maximum is not exceeded.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../../com/badlogic/gdx/scenes/scene2d/ui/ButtonGroup.html#uncheckAll()">uncheckAll</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sets all buttons' <A HREF="../../../../../../com/badlogic/gdx/scenes/scene2d/ui/Button.html#isChecked()"><CODE>Button.isChecked()</CODE></A> to false, regardless of <A HREF="../../../../../../com/badlogic/gdx/scenes/scene2d/ui/ButtonGroup.html#setMinCheckCount(int)"><CODE>setMinCheckCount(int)</CODE></A>.</TD>
</TR>
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&nbsp;<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A>
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<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class java.lang.Object</B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</CODE></TD>
</TR>
</TABLE>
&nbsp;
<P>

<!-- ========= CONSTRUCTOR DETAIL ======== -->

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

<A NAME="ButtonGroup(com.badlogic.gdx.scenes.scene2d.ui.Button...)"><!-- --></A><H3>
ButtonGroup</H3>
<PRE>
public <B>ButtonGroup</B>(<A HREF="../../../../../../com/badlogic/gdx/scenes/scene2d/ui/Button.html" title="class in com.badlogic.gdx.scenes.scene2d.ui">Button</A>...&nbsp;buttons)</PRE>
<DL>
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<!-- ============ METHOD DETAIL ========== -->

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<A NAME="add(com.badlogic.gdx.scenes.scene2d.ui.Button)"><!-- --></A><H3>
add</H3>
<PRE>
public void <B>add</B>(<A HREF="../../../../../../com/badlogic/gdx/scenes/scene2d/ui/Button.html" title="class in com.badlogic.gdx.scenes.scene2d.ui">Button</A>&nbsp;button)</PRE>
<DL>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="add(com.badlogic.gdx.scenes.scene2d.ui.Button...)"><!-- --></A><H3>
add</H3>
<PRE>
public void <B>add</B>(<A HREF="../../../../../../com/badlogic/gdx/scenes/scene2d/ui/Button.html" title="class in com.badlogic.gdx.scenes.scene2d.ui">Button</A>...&nbsp;buttons)</PRE>
<DL>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="remove(com.badlogic.gdx.scenes.scene2d.ui.Button)"><!-- --></A><H3>
remove</H3>
<PRE>
public void <B>remove</B>(<A HREF="../../../../../../com/badlogic/gdx/scenes/scene2d/ui/Button.html" title="class in com.badlogic.gdx.scenes.scene2d.ui">Button</A>&nbsp;button)</PRE>
<DL>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="remove(com.badlogic.gdx.scenes.scene2d.ui.Button...)"><!-- --></A><H3>
remove</H3>
<PRE>
public void <B>remove</B>(<A HREF="../../../../../../com/badlogic/gdx/scenes/scene2d/ui/Button.html" title="class in com.badlogic.gdx.scenes.scene2d.ui">Button</A>...&nbsp;buttons)</PRE>
<DL>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="setChecked(java.lang.String)"><!-- --></A><H3>
setChecked</H3>
<PRE>
public void <B>setChecked</B>(java.lang.String&nbsp;text)</PRE>
<DL>
<DD>Sets the first <A HREF="../../../../../../com/badlogic/gdx/scenes/scene2d/ui/TextButton.html" title="class in com.badlogic.gdx.scenes.scene2d.ui"><CODE>TextButton</CODE></A> with the specified text to checked.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="canCheck(com.badlogic.gdx.scenes.scene2d.ui.Button, boolean)"><!-- --></A><H3>
canCheck</H3>
<PRE>
protected boolean <B>canCheck</B>(<A HREF="../../../../../../com/badlogic/gdx/scenes/scene2d/ui/Button.html" title="class in com.badlogic.gdx.scenes.scene2d.ui">Button</A>&nbsp;button,
                           boolean&nbsp;newState)</PRE>
<DL>
<DD>Called when a button is checked or unchecked.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>true if the new state should be allowed.</DL>
</DD>
</DL>
<HR>

<A NAME="uncheckAll()"><!-- --></A><H3>
uncheckAll</H3>
<PRE>
public void <B>uncheckAll</B>()</PRE>
<DL>
<DD>Sets all buttons' <A HREF="../../../../../../com/badlogic/gdx/scenes/scene2d/ui/Button.html#isChecked()"><CODE>Button.isChecked()</CODE></A> to false, regardless of <A HREF="../../../../../../com/badlogic/gdx/scenes/scene2d/ui/ButtonGroup.html#setMinCheckCount(int)"><CODE>setMinCheckCount(int)</CODE></A>.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getChecked()"><!-- --></A><H3>
getChecked</H3>
<PRE>
public <A HREF="../../../../../../com/badlogic/gdx/scenes/scene2d/ui/Button.html" title="class in com.badlogic.gdx.scenes.scene2d.ui">Button</A> <B>getChecked</B>()</PRE>
<DL>
<DD><DL>

<DT><B>Returns:</B><DD>the first checked button, or null.</DL>
</DD>
</DL>
<HR>

<A NAME="getAllChecked()"><!-- --></A><H3>
getAllChecked</H3>
<PRE>
public <A HREF="../../../../../../com/badlogic/gdx/utils/Array.html" title="class in com.badlogic.gdx.utils">Array</A>&lt;<A HREF="../../../../../../com/badlogic/gdx/scenes/scene2d/ui/Button.html" title="class in com.badlogic.gdx.scenes.scene2d.ui">Button</A>&gt; <B>getAllChecked</B>()</PRE>
<DL>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getButtons()"><!-- --></A><H3>
getButtons</H3>
<PRE>
public <A HREF="../../../../../../com/badlogic/gdx/utils/Array.html" title="class in com.badlogic.gdx.utils">Array</A>&lt;<A HREF="../../../../../../com/badlogic/gdx/scenes/scene2d/ui/Button.html" title="class in com.badlogic.gdx.scenes.scene2d.ui">Button</A>&gt; <B>getButtons</B>()</PRE>
<DL>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="setMinCheckCount(int)"><!-- --></A><H3>
setMinCheckCount</H3>
<PRE>
public void <B>setMinCheckCount</B>(int&nbsp;minCheckCount)</PRE>
<DL>
<DD>Sets the minimum number of buttons that must be checked. Default is 1.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="setMaxCheckCount(int)"><!-- --></A><H3>
setMaxCheckCount</H3>
<PRE>
public void <B>setMaxCheckCount</B>(int&nbsp;maxCheckCount)</PRE>
<DL>
<DD>Sets the maximum number of buttons that can be checked. Set to -1 for no maximum. Default is 1.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="setUncheckLast(boolean)"><!-- --></A><H3>
setUncheckLast</H3>
<PRE>
public void <B>setUncheckLast</B>(boolean&nbsp;uncheckLast)</PRE>
<DL>
<DD>If true, when the maximum number of buttons are checked and an additional button is checked, the last button to be checked
 is unchecked so that the maximum is not exceeded. If false, additional buttons beyond the maximum are not allowed to be
 checked. Default is true.
<P>
<DD><DL>
</DL>
</DD>
</DL>
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