com.ijchart.xychart.render.category
Class StepRender

java.lang.Object
  extended by com.ijchart.xychart.render.AbstractRender
      extended by com.ijchart.xychart.render.AbstractWithAxisRender
          extended by com.ijchart.xychart.render.category.AbstractCategoryRender
              extended by com.ijchart.xychart.render.category.StepRender
All Implemented Interfaces:
IDatasetChangeListener, IRender, IRenderWithAxis, java.io.Serializable, java.lang.Cloneable, java.util.EventListener

public class StepRender
extends AbstractCategoryRender
implements java.lang.Cloneable, java.io.Serializable

Title: IJChart

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

Line/Step item render for an CategoryPlot. This class draws lines between data points, only allowing horizontal or vertical lines (steps).

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_STAGGER
           A flag that controls whether or not the steps for multiple series are staggered.
static int DEFAULT_STAGGER_WIDTH
           The default stagger width.
 int staggerWidth
           The stagger width.
 
Fields inherited from class com.ijchart.xychart.render.category.AbstractCategoryRender
DEFAULT_BASE_VALUE, DEFAULT_ITEM_MARGIN, DEFAULT_MAXIMUM_BAR_WIDTH, DEFAULT_MINIMUM_BAR_WIDTH
 
Fields inherited from class com.ijchart.xychart.render.AbstractRender
borderPaints, borderStrokes, DEFAULT_AUTO_SELECT_BORDER_PAINT, DEFAULT_AUTO_SELECT_BORDER_STROKE, DEFAULT_AUTO_SELECT_FILL_PAINT, DEFAULT_BACKGROUND_IMAGE_ALIGNMENT, DEFAULT_BACKGROUND_PAINT, DEFAULT_BASE_BORDER_PAINT, DEFAULT_BASE_BORDER_STROKE, DEFAULT_BASE_ITEM_FILL, DEFAULT_BASE_ITEM_FILL_PAINT, DEFAULT_BASE_ITEM_FILL_PAINT_TRANSFORMER, DEFAULT_BASE_ITEM_LABEL_FONT, DEFAULT_BASE_ITEM_LABEL_HORIZONTAL_ALIGNMENT, DEFAULT_BASE_ITEM_LABEL_PAINT, DEFAULT_BASE_ITEM_LABEL_VERTICAL_ALIGNMENT, DEFAULT_BASE_ITEM_LABEL_VISIBLE, DEFAULT_BORDER_PAINT, DEFAULT_BORDER_STROKE, DEFAULT_DRAW_BORDER, DEFAULT_DRAWINT_SUPPLIER, DEFAULT_GENERATOR_TOOLTIP, DEFAULT_GENERATOR_URL, DEFAULT_LABEL_GENERATOR, DEFAULT_RENDER_AREA_BORDER_VISIBLE, DEFAULT_TOOLTIP_GENERATOR, fillPaints
 
Constructor Summary
StepRender(IMatrixDataset dataset)
           constructor.
 
Method Summary
 java.lang.Object clone()
           Creates and returns a copy of this object.
protected  IChartShape createItemShapeOnly(java.awt.geom.Rectangle2D rect, java.lang.String text, java.lang.Object appendParam)
           Create a shape with no attribute specified.
 void drawAllItems(CategoryAxis categoryAxis, AbstractValueAxis valueAxis, RectangleEdge valueAxisEdge, java.awt.geom.Rectangle2D dataArea, ChartOrientation orientation, RenderShapeCollection renderShapes, float alpha)
           Draws all data items.
 boolean equals(java.lang.Object obj)
           Tests this instance for equality with an arbitrary object.
 LegendType getLegendType()
           Return the legend type.
 int getStaggerWidth()
           Returns the stagger width.
 int hashCode()
           Returns a hash code value for the object.
 boolean isStagger()
           Returns a flag that controls whether or not the steps for multiple series are staggered.
 void setStagger(boolean stagger)
           Sets a flag that controls whether or not the steps for multiple series are staggered and sends a RenderChangeEvent to all registered listeners.
 void setStaggerWidth(int staggerWidth)
           Sets the stagger width and sends a RenderChangeEvent to all registered listeners.
 java.lang.String toString()
           Returns a string representation of the object.
 
Methods inherited from class com.ijchart.xychart.render.category.AbstractCategoryRender
addAnnotation, createCategoryMarkerShape, drawAllAnnotation, drawCategoryMarker, getAllAnnotations, getBaseValue, getItemMargin, getMaximumBarWidth, getMinimumBarWidth, removeAllAnnotation, setBaseValue, setItemMargin, setMaximumBarWidth, setMinimumBarWidth
 
Methods inherited from class com.ijchart.xychart.render.AbstractWithAxisRender
createItemShape, createValueMarkerShape, drawIntervalValueMarker, drawValueMarker, getValueAxisOffsetType
 
Methods inherited from class com.ijchart.xychart.render.AbstractRender
add3DShapes, addChangeListener, calculateLegendItemShapes, datasetChanged, drawBackground, drawBackgroundImage, drawDrawAreaBorder, fireRenderChanged, getBackgroundImage, getBackgroundImageAlignment, getBackgroundImageAlpha, getBackgroundPaint, getBaseItemBorderPaint, getBaseItemBorderStroke, getBaseItemFillPaint, getBaseItemFillPaintTransformer, getBaseItemLabelDirection, getBaseItemLabelFont, getBaseItemLabelHorizontalAlignment, getBaseItemLabelPaint, getBaseItemLabelPosition, getBaseItemLabelVerticalAlignment, getBaseItemLabelVisible, getBorderPaints, getBorderStrokes, getChartArea, getColumnItemBorderPaint, getColumnItemBorderStroke, getColumnItemFillPaint, getColumnItemFillPaintTransformer, getColumnItemLabelDirection, getColumnItemLabelFont, getColumnItemLabelHorizontalAlignment, getColumnItemLabelPaint, getColumnItemLabelPosition, getColumnItemLabelVerticalAlignment, getDataset, getDrawingSupplier, getFillPaints, getItemBorderPaint, getItemBorderStroke, getItemFillPaint, getItemFillPaintHelper, getItemFillPaintTransformer, getItemLabelDirection, getItemLabelFont, getItemLabelHorizontalAlignment, getItemLabelPaint, getItemLabelPosition, getItemLabelVerticalAlignment, getLabelGenerator, getLegendItemCount, getLegendItemLabels, getLegendItemLabelsByColumn, getLegendItemLabelsByRow, getLegendItemShapes, getLegendPositon, getNegativeItemLabelHorizontalAlignment, getNegativeItemLabelVerticalAlignment, getPositiveItemLabelHorizontalAlignment, getPositiveItemLabelVerticalAlignment, getRenderAreaBorderPaint, getRenderAreaBorderStroke, getRowItemBorderPaint, getRowItemBorderStroke, getRowItemFillPaint, getRowItemFillPaintTransformer, getRowItemLabelDirection, getRowItemLabelFont, getRowItemLabelHorizontalAlignment, getRowItemLabelPaint, getRowItemLabelPosition, getRowItemLabelVerticalAlignment, getToolTipGenerator, hasListener, isAutoSelectBorderPaint, isAutoSelectBorderStroke, isAutoSelectFillPaint, isBaseItemDrawBorder, isBaseItemFill, isColumnItemDrawBorder, isColumnItemFill, isColumnItemLabelVisible, isColumnItemVisible, isGeneratorTooltip, isGeneratorUrl, isItemDrawBorder, isItemFill, isItemLabelVisible, isItemVisible, isRenderAreaBorderVisible, isRowItemDrawBorder, isRowItemFill, isRowItemLabelVisible, isRowItemVisible, notifyListeners, removeAllChangeListener, removeChangeListener, setAutoSelectBorderPaint, setAutoSelectBorderStroke, setAutoSelectFillPaint, setBackgroundImage, setBackgroundImageAlignment, setBackgroundImageAlpha, setBackgroundPaint, setBaseItemBorderPaint, setBaseItemBorderStroke, setBaseItemDrawBorder, setBaseItemFill, setBaseItemFillPaint, setBaseItemFillPaintTransformer, setBaseItemLabelDirection, setBaseItemLabelFont, setBaseItemLabelHorizontalAlignment, setBaseItemLabelPaint, setBaseItemLabelPosition, setBaseItemLabelVerticalAlignment, setBaseItemLabelVisible, setChartArea, setColumnItemBorderPaint, setColumnItemBorderStroke, setColumnItemDrawBorder, setColumnItemFill, setColumnItemFillPaint, setColumnItemFillPaintTransformer, setColumnItemLabelDirection, setColumnItemLabelFont, setColumnItemLabelHorizontalAlignment, setColumnItemLabelPaint, setColumnItemLabelPosition, setColumnItemLabelVerticalAlignment, setColumnItemLabelVisible, setColumnItemVisible, setCustomLegendType, setDataset, setDrawingSupplier, setDrawingSupplier, setGeneratorTooltip, setGeneratorUrl, setItemBorderPaint, setItemBorderStroke, setItemDrawBorder, setItemFill, setItemFillPaint, setItemFillPaintTransformer, setItemLabelDirection, setItemLabelFont, setItemLabelHorizontalAlignment, setItemLabelPaint, setItemLabelPosition, setItemLabelVerticalAlignment, setItemLabelVisible, setItemVisible, setLabelGenerator, setLegendPositon, setNegativeItemLabelHorizontalAlignment, setNegativeItemLabelVerticalAlignment, setPositiveItemLabelHorizontalAlignment, setPositiveItemLabelVerticalAlignment, setRenderAreaBorderPaint, setRenderAreaBorderStroke, setRenderAreaBorderVisible, setRowItemBorderPaint, setRowItemBorderStroke, setRowItemDrawBorder, setRowItemFill, setRowItemFillPaint, setRowItemFillPaintTransformer, setRowItemLabelDirection, setRowItemLabelFont, setRowItemLabelHorizontalAlignment, setRowItemLabelPaint, setRowItemLabelPosition, setRowItemLabelVerticalAlignment, setRowItemLabelVisible, setRowItemVisible, setToolTipGenerator
 
Methods inherited from class java.lang.Object
finalize, getClass, notify, notifyAll, wait, wait, wait
 
Methods inherited from interface com.ijchart.xychart.render.IRender
addChangeListener, drawBackground, drawBackgroundImage, drawDrawAreaBorder, getBaseItemBorderPaint, getBaseItemBorderStroke, getBaseItemFillPaint, getBaseItemFillPaintTransformer, getBaseItemLabelFont, getBaseItemLabelHorizontalAlignment, getBaseItemLabelPaint, getBaseItemLabelPosition, getBaseItemLabelVerticalAlignment, getBaseItemLabelVisible, getColumnItemBorderPaint, getColumnItemBorderStroke, getColumnItemFillPaint, getColumnItemFillPaintTransformer, getColumnItemLabelFont, getColumnItemLabelHorizontalAlignment, getColumnItemLabelPaint, getColumnItemLabelPosition, getColumnItemLabelVerticalAlignment, getItemBorderPaint, getItemBorderStroke, getItemFillPaint, getItemFillPaintTransformer, getItemLabelFont, getItemLabelHorizontalAlignment, getItemLabelPaint, getItemLabelPosition, getItemLabelVerticalAlignment, getLabelGenerator, getNegativeItemLabelHorizontalAlignment, getNegativeItemLabelVerticalAlignment, getPositiveItemLabelHorizontalAlignment, getPositiveItemLabelVerticalAlignment, getRowItemBorderPaint, getRowItemBorderStroke, getRowItemFillPaint, getRowItemFillPaintTransformer, getRowItemLabelFont, getRowItemLabelHorizontalAlignment, getRowItemLabelPaint, getRowItemLabelPosition, getRowItemLabelVerticalAlignment, getToolTipGenerator, isBaseItemDrawBorder, isBaseItemFill, isColumnItemDrawBorder, isColumnItemFill, isColumnItemLabelVisible, isColumnItemVisible, isItemDrawBorder, isItemFill, isItemLabelVisible, isItemVisible, isRowItemDrawBorder, isRowItemFill, isRowItemLabelVisible, isRowItemVisible, removeAllChangeListener, removeChangeListener, setBaseItemBorderPaint, setBaseItemBorderStroke, setBaseItemDrawBorder, setBaseItemFill, setBaseItemFillPaint, setBaseItemFillPaintTransformer, setBaseItemLabelFont, setBaseItemLabelHorizontalAlignment, setBaseItemLabelPaint, setBaseItemLabelPosition, setBaseItemLabelVerticalAlignment, setBaseItemLabelVisible, setColumnItemBorderPaint, setColumnItemBorderStroke, setColumnItemDrawBorder, setColumnItemFill, setColumnItemFillPaint, setColumnItemFillPaintTransformer, setColumnItemLabelFont, setColumnItemLabelHorizontalAlignment, setColumnItemLabelPaint, setColumnItemLabelPosition, setColumnItemLabelVerticalAlignment, setColumnItemLabelVisible, setColumnItemVisible, setCustomLegendType, setItemBorderPaint, setItemBorderStroke, setItemDrawBorder, setItemFill, setItemFillPaint, setItemFillPaintTransformer, setItemLabelFont, setItemLabelHorizontalAlignment, setItemLabelPaint, setItemLabelPosition, setItemLabelVerticalAlignment, setItemLabelVisible, setItemVisible, setLabelGenerator, setNegativeItemLabelHorizontalAlignment, setNegativeItemLabelVerticalAlignment, setPositiveItemLabelHorizontalAlignment, setPositiveItemLabelVerticalAlignment, setRowItemBorderPaint, setRowItemBorderStroke, setRowItemDrawBorder, setRowItemFill, setRowItemFillPaint, setRowItemFillPaintTransformer, setRowItemLabelFont, setRowItemLabelHorizontalAlignment, setRowItemLabelPaint, setRowItemLabelPosition, setRowItemLabelVerticalAlignment, setRowItemLabelVisible, setRowItemVisible, setToolTipGenerator
 

Field Detail

DEFAULT_STAGGER

public static final boolean DEFAULT_STAGGER
A flag that controls whether or not the steps for multiple series are staggered.

See Also:
Constant Field Values

DEFAULT_STAGGER_WIDTH

public static final int DEFAULT_STAGGER_WIDTH
The default stagger width.

See Also:
Constant Field Values

staggerWidth

public int staggerWidth
The stagger width.

Constructor Detail

StepRender

public StepRender(IMatrixDataset dataset)
constructor.

Parameters:
dataset - IMatrixDataset The dataset (null not permitted).
Method Detail

isStagger

public boolean isStagger()
Returns a flag that controls whether or not the steps for multiple series are staggered.

Returns:
boolean A boolean.

setStagger

public void setStagger(boolean stagger)
Sets a flag that controls whether or not the steps for multiple series are staggered and sends a RenderChangeEvent to all registered listeners.

Parameters:
stagger - boolean A boolean.

getStaggerWidth

public int getStaggerWidth()
Returns the stagger width.

Returns:
int The width.

setStaggerWidth

public void setStaggerWidth(int staggerWidth)
Sets the stagger width and sends a RenderChangeEvent to all registered listeners.

Parameters:
staggerWidth - int The width.

drawAllItems

public void drawAllItems(CategoryAxis categoryAxis,
                         AbstractValueAxis valueAxis,
                         RectangleEdge valueAxisEdge,
                         java.awt.geom.Rectangle2D dataArea,
                         ChartOrientation orientation,
                         RenderShapeCollection renderShapes,
                         float alpha)
Draws all data items.

Specified by:
drawAllItems in class AbstractCategoryRender
Parameters:
categoryAxis - CategoryAxis The category axis (null not permitted).
valueAxis - AbstractValueAxis The value axis (null not permitted).
valueAxisEdge - RectangleEdge The value axis edge (null not permitted).
dataArea - Rectangle2D The chart data area (null not permitted).
orientation - ChartOrientation The chart orientation (null not permitted).
renderShapes - RenderShapeCollection Collects information about the render (null not permitted).
alpha - float The alpha transparency (in the range 0.0f to 1.0f, where 0.0f is fully transparent, and 1.0f is fully opaque).

createItemShapeOnly

protected IChartShape createItemShapeOnly(java.awt.geom.Rectangle2D rect,
                                          java.lang.String text,
                                          java.lang.Object appendParam)
Create a shape with no attribute specified.

Overrides:
createItemShapeOnly in class AbstractRender
Parameters:
rect - Rectangle2D The bar rectangle (null not permitted).
text - String The text (null permitted).
appendParam - Object The append parameter,used for special propose (null permitted).
Returns:
IChartShape The shape.

getLegendType

public LegendType getLegendType()
Return the legend type.

Specified by:
getLegendType in interface IRender
Overrides:
getLegendType in class AbstractRender
Returns:
LegendType The legend type.

equals

public boolean equals(java.lang.Object obj)
Tests this instance for equality with an arbitrary object.

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

hashCode

public int hashCode()
Returns a hash code value for the object.

Overrides:
hashCode in class AbstractCategoryRender
Returns:
int A hash code value for this object.

clone

public java.lang.Object clone()
                       throws java.lang.CloneNotSupportedException
Creates and returns a copy of this object.

Overrides:
clone in class AbstractCategoryRender
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.

toString

public java.lang.String toString()
Returns a string representation of the object.

Overrides:
toString in class AbstractCategoryRender
Returns:
a string representation of the object.