## org.jfree.chart.labels
Class StandardXYToolTipGenerator

    java.lang.Object
      org.jfree.chart.labels.AbstractXYItemLabelGenerator
          org.jfree.chart.labels.StandardXYToolTipGenerator

All Implemented Interfaces:
  java.io.Serializable, java.lang.Cloneable, XYToolTipGenerator, org.jfree.util.PublicCloneable

Direct Known Subclasses:
  BoxAndWhiskerXYToolTipGenerator, StandardXYZToolTipGenerator

    public class StandardXYToolTipGenerator

extends AbstractXYItemLabelGenerator
implements XYToolTipGenerator, java.lang.Cloneable, org.jfree.util.PublicCloneable, java.io.Serializable

A standard tool tip generator for use with an `XYItemRenderer`.

See Also:
  Serialized Form

Field Summary
`static java.lang.String` `DEFAULT_TOOL_TIP_FORMAT` The default tooltip format.

Constructor Summary
`StandardXYToolTipGenerator()` Creates a tool tip generator using default number formatters.
`StandardXYToolTipGenerator(java.lang.String formatString, java.text.DateFormat xFormat, java.text.DateFormat yFormat)` Creates a tool tip generator using the specified date formatters.
`StandardXYToolTipGenerator(java.lang.String formatString, java.text.DateFormat xFormat, java.text.NumberFormat yFormat)` Creates a tool tip generator using the specified number formatters.
`StandardXYToolTipGenerator(java.lang.String formatString, java.text.NumberFormat xFormat, java.text.NumberFormat yFormat)` Creates a tool tip generator using the specified number formatters.

Method Summary
`java.lang.Object` `clone()` Returns an independent copy of the generator.
`boolean` `equals(java.lang.Object obj)` Tests this object for equality with an arbitrary object.
`java.lang.String` `generateToolTip(XYDataset dataset, int series, int item)` Generates the tool tip text for an item in a dataset.
`static StandardXYToolTipGenerator` `getTimeSeriesInstance()` Returns a tool tip generator that formats the x-values as dates and the y-values as numbers.

Methods inherited from class org.jfree.chart.labels.AbstractXYItemLabelGenerator
`createItemArray, generateLabelString, getFormatString, getXDateFormat, getXFormat, getYDateFormat, getYFormat`

Methods inherited from class java.lang.Object
`finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

### DEFAULT_TOOL_TIP_FORMAT

    public static final java.lang.String DEFAULT_TOOL_TIP_FORMAT

  The default tooltip format.

  See Also:
    Constant Field Values

Constructor Detail

### StandardXYToolTipGenerator

    public StandardXYToolTipGenerator()

  Creates a tool tip generator using default number formatters.

### StandardXYToolTipGenerator

    public StandardXYToolTipGenerator(java.lang.String formatString,
                                      java.text.NumberFormat xFormat,
                                      java.text.NumberFormat yFormat)

  Creates a tool tip generator using the specified number formatters.

  Parameters:
    `formatString` - the item label format string (`null` not permitted).
    `xFormat` - the format object for the x values (`null` not permitted).
    `yFormat` - the format object for the y values (`null` not permitted).

### StandardXYToolTipGenerator

    public StandardXYToolTipGenerator(java.lang.String formatString,
                                      java.text.DateFormat xFormat,
                                      java.text.NumberFormat yFormat)

  Creates a tool tip generator using the specified number formatters.

  Parameters:
    `formatString` - the label format string (`null` not permitted).
    `xFormat` - the format object for the x values (`null` not permitted).
    `yFormat` - the format object for the y values (`null` not permitted).

### StandardXYToolTipGenerator

    public StandardXYToolTipGenerator(java.lang.String formatString,
                                      java.text.DateFormat xFormat,
                                      java.text.DateFormat yFormat)

  Creates a tool tip generator using the specified date formatters.

  Parameters:
    `formatString` - the label format string (`null` not permitted).
    `xFormat` - the format object for the x values (`null` not permitted).
    `yFormat` - the format object for the y values (`null` not permitted).

Method Detail

### getTimeSeriesInstance

    public static StandardXYToolTipGenerator getTimeSeriesInstance()

  Returns a tool tip generator that formats the x-values as dates and the y-values as numbers.

  Returns:
    A tool tip generator (never `null`).

### generateToolTip

    public java.lang.String generateToolTip(XYDataset dataset,
                                            int series,
                                            int item)

  Generates the tool tip text for an item in a dataset.

  Specified by:
    `generateToolTip` in interface `XYToolTipGenerator`
  Parameters:
    `dataset` - the dataset (`null` not permitted).
    `series` - the series index (zero-based).
    `item` - the item index (zero-based).
  Returns:
    The tooltip text (possibly `null`).

### equals

    public boolean equals(java.lang.Object obj)

  Tests this object for equality with an arbitrary object.

  Overrides:
    `equals` in class `AbstractXYItemLabelGenerator`
  Parameters:
    `obj` - the other object (`null` permitted).
  Returns:
    A boolean.

### clone

    public java.lang.Object clone()
                           throws java.lang.CloneNotSupportedException

  Returns an independent copy of the generator.

  Specified by:
    `clone` in interface `org.jfree.util.PublicCloneable`
  Overrides:
    `clone` in class `AbstractXYItemLabelGenerator`
  Returns:
    A clone.
  Throws:
    `java.lang.CloneNotSupportedException` - if cloning is not supported.