org.knime.base.node.viz.histogram.datamodel
Class InteractiveBinDataModel

java.lang.Object
  org.knime.base.node.viz.histogram.datamodel.BinDataModel
      org.knime.base.node.viz.histogram.datamodel.InteractiveBinDataModel

All Implemented Interfaces:

Serializable

public class InteractiveBinDataModel
extends BinDataModel

This class extends the BinDataModel to support hiliting.

Author:

Tobias Koetter, University of Konstanz

See Also:

Serialized Form

Constructor Summary

InteractiveBinDataModel(String xAxisCaption, double lowerBound, double upperBound)
Constructor for class BinDataModel.

Method Summary

void	clearHilite() Clears the hilite information.
protected BarDataModel	createBar(String barName, Color color) Creates a new BarDataModel with the given color.
Rectangle2D	getHiliteRectangle() The proportional hilite rectangle of this bin which could be displayed if the bars of this bin can't be draw.
int	getNoOfHilitedRows()
protected boolean	removeHilitedKeys(Set<RowKey> hilited, AbstractHistogramVizModel.HistogramHiliteCalculator calculator)
void	setBinRectangle(Rectangle binRectangle, int baseLine, List<Color> barElementColors, Collection<ColorColumn> aggrColumns, AbstractHistogramVizModel.HistogramHiliteCalculator calculator) THE HEIGHT OF THE RECTANGLE SHOULD BE CALCULATED USING THE MIN AND MAX AGGREGATION VALUE TO HANDLES BINS WITH POSITIVE AND NEGATIVE BARS!!!
protected boolean	setHilitedKeys(Set<RowKey> hilited, AbstractHistogramVizModel.HistogramHiliteCalculator calculator)
void	updateBinWidth(int startX, int binWidth, List<Color> barElementColors, Collection<ColorColumn> aggrColumns, int baseLine, AbstractHistogramVizModel.HistogramHiliteCalculator calculator)

Methods inherited from class org.knime.base.node.viz.histogram.datamodel.BinDataModel

addDataRow, clear, clone, getBar, getBars, getBinRectangle, getBinRowCount, getLowerBound, getMaxAggregationValue, getMaxBarRowCount, getMinAggregationValue, getMinRowCount, getNoOfBars, getSelectedBars, getSurroundingRectangle, getUpperBound, getXAxisCaption, getXAxisCaptionCell, isPresentable, isSelected, loadFromFile, save2File, selectElement, selectElement, setSelected

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

InteractiveBinDataModel

public InteractiveBinDataModel(String xAxisCaption,
                               double lowerBound,
                               double upperBound)

Constructor for class BinDataModel.

Parameters:

xAxisCaption - the caption of this bin on the x axis

lowerBound - the lower bound of the bin interval

upperBound - the higher bound of the bin interval

Method Detail

createBar

protected BarDataModel createBar(String barName,
                                 Color color)

Creates a new BarDataModel with the given color.

Overrides:

createBar in class BinDataModel

Parameters:

barName - the name of this bar

color - the Color of the bar

Returns:

the created bar

setBinRectangle

public void setBinRectangle(Rectangle binRectangle,
                            int baseLine,
                            List<Color> barElementColors,
                            Collection<ColorColumn> aggrColumns,
                            AbstractHistogramVizModel.HistogramHiliteCalculator calculator)

THE HEIGHT OF THE RECTANGLE SHOULD BE CALCULATED USING THE MIN AND MAX AGGREGATION VALUE TO HANDLES BINS WITH POSITIVE AND NEGATIVE BARS!!!

Overrides:

setBinRectangle in class BinDataModel

Parameters:

binRectangle - the Rectangle the bin should be drawn on the screen

baseLine - the x coordinate of the base line (0) on the screen

barElementColors - all element colors which define the order the elements should be drawn

aggrColumns - the aggregation column array which indicates the order of the bars

calculator - the hilite shape calculator

updateBinWidth

public void updateBinWidth(int startX,
                           int binWidth,
                           List<Color> barElementColors,
                           Collection<ColorColumn> aggrColumns,
                           int baseLine,
                           AbstractHistogramVizModel.HistogramHiliteCalculator calculator)

Overrides:

updateBinWidth in class BinDataModel

Parameters:

startX - new x coordinate

binWidth - new bin width

barElementColors - all element colors which define the order the elements should be drawn

aggrColumns - the current aggregation columns

baseLine - the base line

calculator - the hilite shape calculator

getNoOfHilitedRows

public int getNoOfHilitedRows()

Returns:

the number of hilited rows in this bin.

setHilitedKeys

protected boolean setHilitedKeys(Set<RowKey> hilited,
                                 AbstractHistogramVizModel.HistogramHiliteCalculator calculator)

Parameters:

hilited - the row keys to hilite

calculator - the hilite shape calculator

Returns:

if the hilite keys have changed

removeHilitedKeys

protected boolean removeHilitedKeys(Set<RowKey> hilited,
                                    AbstractHistogramVizModel.HistogramHiliteCalculator calculator)

Parameters:

hilited - the row keys to unhilite

calculator - the hilite shape calculator

Returns:

if the hilite keys have changed

clearHilite

public void clearHilite()

Clears the hilite information.

getHiliteRectangle

public Rectangle2D getHiliteRectangle()

The proportional hilite rectangle of this bin which could be displayed if the bars of this bin can't be draw.

Returns:

the proportional hilite rectangle