chartpanel.html

JFreeChart的帮助文档

</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>flag</CODE> - <code>true</code> instructs to fill the rectangle on
              zoom, otherwise it will be outlined.</DL>
</DD>
</DL>
<HR>

<A NAME="setVerticalZoom(boolean)"><!-- --></A><H3>
setVerticalZoom</H3>
<PRE>
public void <B>setVerticalZoom</B>(boolean&nbsp;flag)</PRE>
<DL>
<DD>A flag that controls mouse-based zooming on the vertical axis.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>flag</CODE> - <code>true</code> enables zooming on VerticalValuePlots.</DL>
</DD>
</DL>
<HR>

<A NAME="setHorizontalAxisTrace(boolean)"><!-- --></A><H3>
setHorizontalAxisTrace</H3>
<PRE>
public void <B>setHorizontalAxisTrace</B>(boolean&nbsp;flag)</PRE>
<DL>
<DD>A flag that controls trace lines on the horizontal axis.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>flag</CODE> - <code>true</code> enables trace lines for the mouse
      pointer on the horizontal axis.</DL>
</DD>
</DL>
<HR>

<A NAME="setVerticalAxisTrace(boolean)"><!-- --></A><H3>
setVerticalAxisTrace</H3>
<PRE>
public void <B>setVerticalAxisTrace</B>(boolean&nbsp;flag)</PRE>
<DL>
<DD>A flag that controls trace lines on the vertical axis.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>flag</CODE> - <code>true</code> enables trace lines for the mouse
              pointer on the vertical axis.</DL>
</DD>
</DL>
<HR>

<A NAME="isEnforceFileExtensions()"><!-- --></A><H3>
isEnforceFileExtensions</H3>
<PRE>
public boolean <B>isEnforceFileExtensions</B>()</PRE>
<DL>
<DD>Returns <code>true</code> if file extensions should be enforced, and <code>false</code>
 otherwise.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The flag.</DL>
</DD>
</DL>
<HR>

<A NAME="setEnforceFileExtensions(boolean)"><!-- --></A><H3>
setEnforceFileExtensions</H3>
<PRE>
public void <B>setEnforceFileExtensions</B>(boolean&nbsp;enforce)</PRE>
<DL>
<DD>Sets a flag that controls whether or not file extensions are enforced.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>enforce</CODE> - the new flag value.</DL>
</DD>
</DL>
<HR>

<A NAME="setDisplayToolTips(boolean)"><!-- --></A><H3>
setDisplayToolTips</H3>
<PRE>
public void <B>setDisplayToolTips</B>(boolean&nbsp;flag)</PRE>
<DL>
<DD>Switches chart tooltip generation on or off.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>flag</CODE> - the flag.</DL>
</DD>
</DL>
<HR>

<A NAME="getToolTipText(java.awt.event.MouseEvent)"><!-- --></A><H3>
getToolTipText</H3>
<PRE>
public java.lang.String <B>getToolTipText</B>(java.awt.event.MouseEvent&nbsp;e)</PRE>
<DL>
<DD>Returns a string for the tooltip.
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE>getToolTipText</CODE> in class <CODE>javax.swing.JComponent</CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>e</CODE> - the mouse event.
<DT><B>Returns:</B><DD>a tool tip or <code>null</code> if no tooltip is available.</DL>
</DD>
</DL>
<HR>

<A NAME="translateJava2DToScreen(java.awt.geom.Point2D)"><!-- --></A><H3>
translateJava2DToScreen</H3>
<PRE>
public java.awt.Point <B>translateJava2DToScreen</B>(java.awt.geom.Point2D&nbsp;java2DPoint)</PRE>
<DL>
<DD>Translates a Java2D point on the chart to a screen location.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>java2DPoint</CODE> - the Java2D point.
<DT><B>Returns:</B><DD>the screen location.</DL>
</DD>
</DL>
<HR>

<A NAME="translateScreenToJava2D(java.awt.Point)"><!-- --></A><H3>
translateScreenToJava2D</H3>
<PRE>
public java.awt.geom.Point2D <B>translateScreenToJava2D</B>(java.awt.Point&nbsp;screenPoint)</PRE>
<DL>
<DD>Translates a screen location to a Java2D point.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>screenPoint</CODE> - the screen location.
<DT><B>Returns:</B><DD>the Java2D coordinates.</DL>
</DD>
</DL>
<HR>

<A NAME="getEntityForPoint(int, int)"><!-- --></A><H3>
getEntityForPoint</H3>
<PRE>
public <A HREF="../../../org/jfree/chart/entity/ChartEntity.html">ChartEntity</A> <B>getEntityForPoint</B>(int&nbsp;viewX,
                                     int&nbsp;viewY)</PRE>
<DL>
<DD>Returns the chart entity at a given point.
 <P>
 This method will return null if there is (a) no entity at the given point, or
 (b) no entity collection has been generated.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>viewX</CODE> - the x-coordinate.<DD><CODE>viewY</CODE> - the y-coordinate.
<DT><B>Returns:</B><DD>the chart entity (possibly null).</DL>
</DD>
</DL>
<HR>

<A NAME="setRefreshBuffer(boolean)"><!-- --></A><H3>
setRefreshBuffer</H3>
<PRE>
public void <B>setRefreshBuffer</B>(boolean&nbsp;flag)</PRE>
<DL>
<DD>Sets the refresh buffer flag.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>flag</CODE> - <code>true</code> indicate, that the buffer should be refreshed.</DL>
</DD>
</DL>
<HR>

<A NAME="paintComponent(java.awt.Graphics)"><!-- --></A><H3>
paintComponent</H3>
<PRE>
public void <B>paintComponent</B>(java.awt.Graphics&nbsp;g)</PRE>
<DL>
<DD>Paints the component by drawing the chart to fill the entire component,
 but allowing for the insets (which will be non-zero if a border has been
 set for this component).  To increase performance (at the expense of
 memory), an off-screen buffer image can be used.
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE>paintComponent</CODE> in class <CODE>javax.swing.JComponent</CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>g</CODE> - the graphics device for drawing on.</DL>
</DD>
</DL>
<HR>

<A NAME="chartChanged(org.jfree.chart.event.ChartChangeEvent)"><!-- --></A><H3>
chartChanged</H3>
<PRE>
public void <B>chartChanged</B>(<A HREF="../../../org/jfree/chart/event/ChartChangeEvent.html">ChartChangeEvent</A>&nbsp;event)</PRE>
<DL>
<DD>Receives notification of changes to the chart, and redraws the chart.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../org/jfree/chart/event/ChartChangeListener.html#chartChanged(org.jfree.chart.event.ChartChangeEvent)">chartChanged</A></CODE> in interface <CODE><A HREF="../../../org/jfree/chart/event/ChartChangeListener.html">ChartChangeListener</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>event</CODE> - details of the chart change event.</DL>
</DD>
</DL>
<HR>

<A NAME="chartProgress(org.jfree.chart.event.ChartProgressEvent)"><!-- --></A><H3>
chartProgress</H3>
<PRE>
public void <B>chartProgress</B>(<A HREF="../../../org/jfree/chart/event/ChartProgressEvent.html">ChartProgressEvent</A>&nbsp;event)</PRE>
<DL>
<DD>Receives notification of a chart progress event.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../org/jfree/chart/event/ChartProgressListener.html#chartProgress(org.jfree.chart.event.ChartProgressEvent)">chartProgress</A></CODE> in interface <CODE><A HREF="../../../org/jfree/chart/event/ChartProgressListener.html">ChartProgressListener</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>event</CODE> - the event.</DL>
</DD>
</DL>
<HR>

<A NAME="actionPerformed(java.awt.event.ActionEvent)"><!-- --></A><H3>
actionPerformed</H3>
<PRE>
public void <B>actionPerformed</B>(java.awt.event.ActionEvent&nbsp;event)</PRE>
<DL>
<DD>Handles action events generated by the popup menu.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE>actionPerformed</CODE> in interface <CODE>java.awt.event.ActionListener</CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>event</CODE> - the event.</DL>
</DD>
</DL>
<HR>

<A NAME="mouseEntered(java.awt.event.MouseEvent)"><!-- --></A><H3>
mouseEntered</H3>
<PRE>
public void <B>mouseEntered</B>(java.awt.event.MouseEvent&nbsp;e)</PRE>
<DL>
<DD>Handles a 'mouse entered' event.
 <P>
 This method does nothing, but is required for implementation of the MouseListener
 interface.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE>mouseEntered</CODE> in interface <CODE>java.awt.event.MouseListener</CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>e</CODE> - the mouse event.</DL>
</DD>
</DL>
<HR>

<A NAME="mouseExited(java.awt.event.MouseEvent)"><!-- --></A><H3>
mouseExited</H3>
<PRE>
public void <B>mouseExited</B>(java.awt.event.MouseEvent&nbsp;e)</PRE>
<DL>
<DD>Handles a '