com.ijchart.xychart.label
Class DefaultLabelGenerator

java.lang.Object
  extended by com.ijchart.xychart.label.LabelGeneratorAdaptor
      extended by com.ijchart.xychart.label.DefaultLabelGenerator
All Implemented Interfaces:
ILabelGenerator, java.io.Serializable, java.lang.Cloneable

public class DefaultLabelGenerator
extends LabelGeneratorAdaptor
implements ILabelGenerator, java.lang.Cloneable, java.io.Serializable

Title: IJChart

Description: a chart library for the Java(tm) platform.

缺省的标签生成器.本类的字段formatter没有set方法,这样可以不用监听本类的变化.

Copyright: Copyright (c) 2013

Company:

Version:
1.0
Author:
zhang feng min,shanghai china. Contract me by email.
See Also:
Serialized Form

Field Summary
static boolean DEFAULT_LABEL_GENERATOR_GROUP
          缺省是否以组的形式生成标签.
 
Constructor Summary
DefaultLabelGenerator()
          没有参数的构造器.
DefaultLabelGenerator(boolean group)
          构造器.
DefaultLabelGenerator(IChartDataFormatter formatter)
          构造器.
DefaultLabelGenerator(IChartDataFormatter formatter, boolean group)
          构造器.
 
Method Summary
protected  java.lang.Object clone()
          克隆本对象.
 boolean equals(java.lang.Object obj)
          测试两个对象是否相等.
 java.lang.String generateGroupLabel(IMatrixDataset dataset, int row, int column, int index)
          用于生成某个图形的标签,通常情况下标签是通知格式化rowKey和colKey及值组成的.
 java.lang.String generateLabel(IMatrixDataset dataset, int row, int column)
          用于生成某个图形的标签,通常情况下标签是通知格式化rowKey和colKey及值组成的.
 IChartDataFormatter getFormatter()
          返回格式化数据的类.
 int hashCode()
          计算hashcode.
 boolean isGroup()
          是否以组的形式生成标签.
 java.lang.String toString()
          覆盖toString方法.
 
Methods inherited from class java.lang.Object
finalize, getClass, notify, notifyAll, wait, wait, wait
 

Field Detail

DEFAULT_LABEL_GENERATOR_GROUP

public static final boolean DEFAULT_LABEL_GENERATOR_GROUP
缺省是否以组的形式生成标签.

See Also:
Constant Field Values
Constructor Detail

DefaultLabelGenerator

public DefaultLabelGenerator()
没有参数的构造器.


DefaultLabelGenerator

public DefaultLabelGenerator(boolean group)
构造器.

Parameters:
group - boolean 是否以组的形式生成标签.

DefaultLabelGenerator

public DefaultLabelGenerator(IChartDataFormatter formatter)
构造器.

Parameters:
formatter - IChartDataFormatter 格式化数据的类 (可为null).

DefaultLabelGenerator

public DefaultLabelGenerator(IChartDataFormatter formatter,
                             boolean group)
构造器.

Parameters:
formatter - IChartDataFormatter 格式化数据的类 (可为null).
group - boolean 是否以组的形式生成标签.
Method Detail

getFormatter

public IChartDataFormatter getFormatter()
返回格式化数据的类.

Returns:
IChartDataFormatter 格式化数据的类 (可为null).

isGroup

public boolean isGroup()
是否以组的形式生成标签.

Specified by:
isGroup in interface ILabelGenerator
Overrides:
isGroup in class LabelGeneratorAdaptor
Returns:
boolean 布尔值.

generateLabel

public java.lang.String generateLabel(IMatrixDataset dataset,
                                      int row,
                                      int column)
用于生成某个图形的标签,通常情况下标签是通知格式化rowKey和colKey及值组成的. 但也可以格式化为任意的字符串.

Specified by:
generateLabel in interface ILabelGenerator
Overrides:
generateLabel in class LabelGeneratorAdaptor
Parameters:
dataset - IMatrixDataset 数据集 (不可为null).
row - int 数据集的行数,必须大于等于0.
column - int 数据集的列数,必须大于等于0.
Returns:
String 标签字符串.

generateGroupLabel

public java.lang.String generateGroupLabel(IMatrixDataset dataset,
                                           int row,
                                           int column,
                                           int index)
用于生成某个图形的标签,通常情况下标签是通知格式化rowKey和colKey及值组成的. 但也可以格式化为任意的字符串.

Specified by:
generateGroupLabel in interface ILabelGenerator
Overrides:
generateGroupLabel in class LabelGeneratorAdaptor
Parameters:
dataset - IMatrixDataset 数据集 (不可为null).
row - int 数据集的行数,必须大于等于0.
column - int 数据集的列数,必须大于等于0.
index - int 数据中的一个数据点由多个数据组成,此值表示索引.
Returns:
String 标签字符串.

equals

public boolean equals(java.lang.Object obj)
测试两个对象是否相等.

Overrides:
equals in class java.lang.Object
Parameters:
obj - 要比较的另一个对象 (可为null).
Returns:
A boolean.

clone

protected java.lang.Object clone()
                          throws java.lang.CloneNotSupportedException
克隆本对象.

Overrides:
clone in class java.lang.Object
Returns:
object a clone of this instance.
Throws:
java.lang.CloneNotSupportedException - if the object's class does not support the Cloneable interface. Subclasses that override the clone method can also throw this exception to indicate that an instance cannot be cloned.

hashCode

public int hashCode()
计算hashcode.

Overrides:
hashCode in class java.lang.Object
Returns:
A hash code.

toString

public java.lang.String toString()
覆盖toString方法.

Overrides:
toString in class java.lang.Object
Returns:
A String.