vetoablechangesupport.html

API資料大全

<DD>Constructs a <code>VetoableChangeSupport</code> object.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>sourceBean</CODE> - The bean to be given as the source for any events.</DL>
</DD>
</DL>

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<A NAME="addVetoableChangeListener(java.beans.VetoableChangeListener)"><!-- --></A><H3>
addVetoableChangeListener</H3>
<PRE>
public void <B>addVetoableChangeListener</B>(<A HREF="../../java/beans/VetoableChangeListener.html">VetoableChangeListener</A>&nbsp;listener)</PRE>
<DL>
<DD>Add a VetoableListener to the listener list.
 The listener is registered for all properties.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>listener</CODE> - The VetoableChangeListener to be added</DL>
</DD>
</DL>
<HR>

<A NAME="removeVetoableChangeListener(java.beans.VetoableChangeListener)"><!-- --></A><H3>
removeVetoableChangeListener</H3>
<PRE>
public void <B>removeVetoableChangeListener</B>(<A HREF="../../java/beans/VetoableChangeListener.html">VetoableChangeListener</A>&nbsp;listener)</PRE>
<DL>
<DD>Remove a VetoableChangeListener from the listener list.
 This removes a PropertyChangeListener that was registered
 for all properties.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>listener</CODE> - The VetoableChangeListener to be removed</DL>
</DD>
</DL>
<HR>

<A NAME="addVetoableChangeListener(java.lang.String, java.beans.VetoableChangeListener)"><!-- --></A><H3>
addVetoableChangeListener</H3>
<PRE>
public void <B>addVetoableChangeListener</B>(<A HREF="../../java/lang/String.html">String</A>&nbsp;propertyName,
                                      <A HREF="../../java/beans/VetoableChangeListener.html">VetoableChangeListener</A>&nbsp;listener)</PRE>
<DL>
<DD>Add a VetoableChangeListener for a specific property.  The listener
 will be invoked only when a call on fireVetoableChange names that
 specific property.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>propertyName</CODE> - The name of the property to listen on.<DD><CODE>listener</CODE> - The VetoableChangeListener to be added</DL>
</DD>
</DL>
<HR>

<A NAME="removeVetoableChangeListener(java.lang.String, java.beans.VetoableChangeListener)"><!-- --></A><H3>
removeVetoableChangeListener</H3>
<PRE>
public void <B>removeVetoableChangeListener</B>(<A HREF="../../java/lang/String.html">String</A>&nbsp;propertyName,
                                         <A HREF="../../java/beans/VetoableChangeListener.html">VetoableChangeListener</A>&nbsp;listener)</PRE>
<DL>
<DD>Remove a VetoableChangeListener for a specific property.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>propertyName</CODE> - The name of the property that was listened on.<DD><CODE>listener</CODE> - The VetoableChangeListener to be removed</DL>
</DD>
</DL>
<HR>

<A NAME="fireVetoableChange(java.lang.String, java.lang.Object, java.lang.Object)"><!-- --></A><H3>
fireVetoableChange</H3>
<PRE>
public void <B>fireVetoableChange</B>(<A HREF="../../java/lang/String.html">String</A>&nbsp;propertyName,
                               <A HREF="../../java/lang/Object.html">Object</A>&nbsp;oldValue,
                               <A HREF="../../java/lang/Object.html">Object</A>&nbsp;newValue)
                        throws <A HREF="../../java/beans/PropertyVetoException.html">PropertyVetoException</A></PRE>
<DL>
<DD>Report a vetoable property update to any registered listeners.  If
 anyone vetos the change, then fire a new event reverting everyone to 
 the old value and then rethrow the PropertyVetoException.
 <p>
 No event is fired if old and new are equal and non-null.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>propertyName</CODE> - The programmatic name of the property
		that is about to change..<DD><CODE>oldValue</CODE> - The old value of the property.<DD><CODE>newValue</CODE> - The new value of the property.<DT><B>Throws:</B><DD><CODE><A HREF="../../java/beans/PropertyVetoException.html">PropertyVetoException</A></CODE> - if the recipient wishes the property
              change to be rolled back.</DL>
</DD>
</DL>
<HR>

<A NAME="fireVetoableChange(java.lang.String, int, int)"><!-- --></A><H3>
fireVetoableChange</H3>
<PRE>
public void <B>fireVetoableChange</B>(<A HREF="../../java/lang/String.html">String</A>&nbsp;propertyName,
                               int&nbsp;oldValue,
                               int&nbsp;newValue)
                        throws <A HREF="../../java/beans/PropertyVetoException.html">PropertyVetoException</A></PRE>
<DL>
<DD>Report a int vetoable property update to any registered listeners.
 No event is fired if old and new are equal and non-null.
 <p>
 This is merely a convenience wrapper around the more general
 fireVetoableChange method that takes Object values.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>propertyName</CODE> - The programmatic name of the property
		that is about to change.<DD><CODE>oldValue</CODE> - The old value of the property.<DD><CODE>newValue</CODE> - The new value of the property.</DL>
</DD>
</DL>
<HR>

<A NAME="fireVetoableChange(java.lang.String, boolean, boolean)"><!-- --></A><H3>
fireVetoableChange</H3>
<PRE>
public void <B>fireVetoableChange</B>(<A HREF="../../java/lang/String.html">String</A>&nbsp;propertyName,
                               boolean&nbsp;oldValue,
                               boolean&nbsp;newValue)
                        throws <A HREF="../../java/beans/PropertyVetoException.html">PropertyVetoException</A></PRE>
<DL>
<DD>Report a boolean vetoable property update to any registered listeners.
 No event is fired if old and new are equal and non-null.
 <p>
 This is merely a convenience wrapper around the more general
 fireVetoableChange method that takes Object values.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>propertyName</CODE> - The programmatic name of the property
		that is about to change.<DD><CODE>oldValue</CODE> - The old value of the property.<DD><CODE>newValue</CODE> - The new value of the property.</DL>
</DD>
</DL>
<HR>

<A NAME="fireVetoableChange(java.beans.PropertyChangeEvent)"><!-- --></A><H3>
fireVetoableChange</H3>
<PRE>
public void <B>fireVetoableChange</B>(<A HREF="../../java/beans/PropertyChangeEvent.html">PropertyChangeEvent</A>&nbsp;evt)
                        throws <A HREF="../../java/beans/PropertyVetoException.html">PropertyVetoException</A></PRE>
<DL>
<DD>Fire a vetoable property update to any registered listeners.  If
 anyone vetos the change, then fire a new event reverting everyone to 
 the old value and then rethrow the PropertyVetoException.
 <p>
 No event is fired if old and new are equal and non-null.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>evt</CODE> - The PropertyChangeEvent to be fired.<DT><B>Throws:</B><DD><CODE><A HREF="../../java/beans/PropertyVetoException.html">PropertyVetoException</A></CODE> - if the recipient wishes the property
              change to be rolled back.</DL>
</DD>
</DL>
<HR>

<A NAME="hasListeners(java.lang.String)"><!-- --></A><H3>
hasListeners</H3>
<PRE>
public boolean <B>hasListeners</B>(<A HREF="../../java/lang/String.html">String</A>&nbsp;propertyName)</PRE>
<DL>
<DD>Check if there are any listeners for a specific property.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>propertyName</CODE> - the property name.<DT><B>Returns:</B><DD>true if there are one or more listeners for the given property</DL>
</DD>
</DL>
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