Package elki.visualization.visualizers.scatterplot

Class AbstractTooltipVisualization

java.lang.Object

elki.visualization.visualizers.AbstractVisualization

elki.visualization.visualizers.scatterplot.AbstractScatterplotVisualization

elki.visualization.visualizers.scatterplot.AbstractTooltipVisualization

All Implemented Interfaces:

DataStoreListener, ResultListener, VisualizationListener, Visualization, java.util.EventListener

Direct Known Subclasses:

TooltipScoreVisualization.Instance, TooltipStringVisualization.Instance

public abstract class AbstractTooltipVisualization
extends AbstractScatterplotVisualization
implements DataStoreListener

General base class for a tooltip visualizer.

Since:

0.4.0

Author:

Erich Schubert

Field Summary

Fields

Modifier and Type	Field	Description
(package private) org.w3c.dom.events.EventListener	hoverer	Our event listener.
static java.lang.String	TOOLTIP_AREA	Generic tag to indicate the type of element.
static java.lang.String	TOOLTIP_HIDDEN	Generic tag to indicate the type of element.
static java.lang.String	TOOLTIP_STICKY	Generic tag to indicate the type of element.
static java.lang.String	TOOLTIP_VISIBLE	Generic tag to indicate the type of element.

Fields inherited from class elki.visualization.visualizers.scatterplot.AbstractScatterplotVisualization

proj, rel, sample

Fields inherited from class elki.visualization.visualizers.AbstractVisualization

context, layer, svgp, task

Constructor Summary

Constructors

Constructor	Description
AbstractTooltipVisualization(VisualizerContext context, VisualizationTask task, VisualizationPlot plot, double width, double height, Projection proj)	Constructor.

Method Summary

Modifier and Type	Method	Description
void	fullRedraw()	Request a full redrawing of the visualization.
protected void	handleHoverEvent(org.w3c.dom.events.Event evt)	Handle the hover events.
protected abstract org.w3c.dom.Element	makeTooltip(DBIDRef id, double x, double y, double dotsize)	Make a tooltip Element for this id.
protected abstract void	setupCSS(SVGPlot svgp)	Registers the Tooltip-CSS-Class at a SVGPlot.
protected void	toggleTooltip(org.w3c.dom.Element elem, java.lang.String type)	Toggle the Tooltip of an element.

Methods inherited from class elki.visualization.visualizers.scatterplot.AbstractScatterplotVisualization

setupCanvas, setupCanvas, visualizationChanged

Methods inherited from class elki.visualization.visualizers.AbstractVisualization

addListeners, contentChanged, destroy, getHeight, getLayer, getWidth, incrementalRedraw, resultChanged

Methods inherited from class java.lang.Object

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

Methods inherited from interface elki.database.datastore.DataStoreListener

contentChanged

Methods inherited from interface elki.result.ResultListener

resultAdded, resultRemoved

Field Detail

TOOLTIP_HIDDEN

public static final java.lang.String TOOLTIP_HIDDEN

Generic tag to indicate the type of element. Used in IDs, CSS-Classes etc.

See Also:

Constant Field Values

TOOLTIP_VISIBLE

public static final java.lang.String TOOLTIP_VISIBLE

Generic tag to indicate the type of element. Used in IDs, CSS-Classes etc.

See Also:

Constant Field Values

TOOLTIP_STICKY

public static final java.lang.String TOOLTIP_STICKY

Generic tag to indicate the type of element. Used in IDs, CSS-Classes etc.

See Also:

Constant Field Values

TOOLTIP_AREA

public static final java.lang.String TOOLTIP_AREA

Generic tag to indicate the type of element. Used in IDs, CSS-Classes etc.

See Also:

Constant Field Values

hoverer

org.w3c.dom.events.EventListener hoverer

Our event listener.

Constructor Detail

AbstractTooltipVisualization

public AbstractTooltipVisualization(VisualizerContext context,
                                    VisualizationTask task,
                                    VisualizationPlot plot,
                                    double width,
                                    double height,
                                    Projection proj)

Constructor.

Parameters:

context - Visualizer context

task - Visualization task

plot - Plot to draw to

width - Embedding width

height - Embedding height

proj - Projection

Method Detail

fullRedraw

public void fullRedraw()

Description copied from interface: Visualization

Request a full redrawing of the visualization.

Specified by:

fullRedraw in interface Visualization

Specified by:

fullRedraw in class AbstractVisualization

makeTooltip

protected abstract org.w3c.dom.Element makeTooltip(DBIDRef id,
                                                   double x,
                                                   double y,
                                                   double dotsize)

Make a tooltip Element for this id.

Parameters:

id - Id to make a tooltip for

x - X position

y - Y position

dotsize - Size of a dot

Returns:

Element

handleHoverEvent

protected void handleHoverEvent(org.w3c.dom.events.Event evt)

Handle the hover events.

Parameters:

evt - Event.

toggleTooltip

protected void toggleTooltip(org.w3c.dom.Element elem,
                             java.lang.String type)

Toggle the Tooltip of an element.

Parameters:

elem - Element

type - Event type

setupCSS

protected abstract void setupCSS(SVGPlot svgp)

Registers the Tooltip-CSS-Class at a SVGPlot.

Parameters:

svgp - the SVGPlot to register the Tooltip-CSS-Class.