de.lmu.ifi.dbs.elki.visualization.gui.overview
Class OverviewPlot

java.lang.Object
  de.lmu.ifi.dbs.elki.visualization.svg.SVGPlot
      de.lmu.ifi.dbs.elki.visualization.gui.overview.OverviewPlot

All Implemented Interfaces:

ResultListener, EventListener

public class OverviewPlot
extends SVGPlot
implements ResultListener

Generate an overview plot for a set of visualizations.

Nested Class Summary

class

OverviewPlot.SelectPlotEvent Event when a plot was selected.

Field Summary

private Vector<ActionListener>	actionListeners Action listeners for this plot.
private VisualizerContext	context Visualizer context
private EventListener	hoverer React to mouse hover events
private Element	hoverlayer Layer for hover elements
private static Logging	logger Our logging class
(package private) Runnable	pendingRefresh Pending refresh, for lazy refreshing
private Element	plotlayer Layer for plot thumbnail
protected RectangleArranger<PlotItem>	plotmap Map of coordinates to plots.
private double	ratio Screen ratio
private boolean	reinitOnRefresh Reinitialize on refresh
private HierarchicalResult	result Result we work on.
int	screenheight Screen size (used for thumbnail sizing)
int	screenwidth Screen size (used for thumbnail sizing)
private CSSClass	selcss The CSS class used on "selectable" rectangles.
private HashMap<Pair<PlotItem,VisualizationTask>,Element>	vistoelem Lookup

Fields inherited from class de.lmu.ifi.dbs.elki.visualization.svg.SVGPlot

DEFAULT_QUALITY

Constructor Summary

OverviewPlot(HierarchicalResult result, VisualizerContext context)
Constructor.

Method Summary

void	addActionListener(ActionListener actionListener) Adds an ActionListener to the plot.
private void	arrangeVisualizations() Recompute the layout of visualizations.
void	dispose() Cancel the overview, i.e. stop the thumbnailer
double	getRatio()
void	lazyRefresh() Trigger a redraw, but avoid excessive redraws.
DetailView	makeDetailView(PlotItem it) Event triggered when a plot was selected.
private void	makeThumbnail(int thumbsize, PlotItem it, VisualizationTask task, Element parent) Produce thumbnail for a visualizer.
private void	recalcViewbox() Recompute the view box of the plot.
(package private) void	refresh() Do a refresh (when visibilities have changed).
private void	reinitialize() Refresh the overview plot.
void	resultAdded(Result child, Result parent) A new derived result was added.
void	resultChanged(Result current) Notify that the current result has changed substantially.
void	resultRemoved(Result child, Result parent) A result was removed.
void	setRatio(double ratio)
private void	setupHoverer() Setup the CSS hover effect.
protected void	triggerSubplotSelectEvent(PlotItem it) When a subplot was selected, forward the event to listeners.

Methods inherited from class de.lmu.ifi.dbs.elki.visualization.svg.SVGPlot

addCSSClassOrLogError, dumpDebugFile, elementCoordinatesFromEvent, getAllIds, getCSSClassManager, getDefs, getDisableInteractions, getDocument, getIdElement, getRoot, getStyle, putIdElement, saveAsANY, saveAsEPS, saveAsJPEG, saveAsJPEG, saveAsPDF, saveAsPNG, saveAsPS, saveAsSVG, scheduleUpdate, setDisableInteractions, svgCircle, svgElement, svgLine, svgRect, svgText, synchronizeWith, transcode, unsynchronizeWith, updateStyleElement

Methods inherited from class java.lang.Object

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

Field Detail

logger

private static final Logging logger

Our logging class

context

private VisualizerContext context

Visualizer context

result

private HierarchicalResult result

Result we work on. Currently unused, but kept for future requirements.

plotmap

protected RectangleArranger<PlotItem> plotmap

Map of coordinates to plots.

actionListeners

private Vector<ActionListener> actionListeners

Action listeners for this plot.

screenwidth

public int screenwidth

Screen size (used for thumbnail sizing)

screenheight

public int screenheight

Screen size (used for thumbnail sizing)

hoverer

private EventListener hoverer

React to mouse hover events

vistoelem

private HashMap<Pair<PlotItem,VisualizationTask>,Element> vistoelem

Lookup

plotlayer

private Element plotlayer

Layer for plot thumbnail

hoverlayer

private Element hoverlayer

Layer for hover elements

selcss

private CSSClass selcss

The CSS class used on "selectable" rectangles.

ratio

private double ratio

Screen ratio

pendingRefresh

Runnable pendingRefresh

Pending refresh, for lazy refreshing

reinitOnRefresh

private boolean reinitOnRefresh

Reinitialize on refresh

Constructor Detail

OverviewPlot

public OverviewPlot(HierarchicalResult result,
                    VisualizerContext context)

Constructor.

Parameters:

result - Result to visualize

context - Visualizer context

Method Detail

arrangeVisualizations

private void arrangeVisualizations()

Recompute the layout of visualizations.

reinitialize

private void reinitialize()

Refresh the overview plot.

makeThumbnail

private void makeThumbnail(int thumbsize,
                           PlotItem it,
                           VisualizationTask task,
                           Element parent)

Produce thumbnail for a visualizer.

Parameters:

thumbsize - Thumbnail size

it - Plot item

task - Task

parent - Parent element to draw to

refresh

void refresh()

Do a refresh (when visibilities have changed).

recalcViewbox

private void recalcViewbox()

Recompute the view box of the plot.

setupHoverer

private void setupHoverer()

Setup the CSS hover effect.

makeDetailView

public DetailView makeDetailView(PlotItem it)

Event triggered when a plot was selected.

Parameters:

it - Plot item selected

Returns:

sub plot

addActionListener

public void addActionListener(ActionListener actionListener)

Adds an ActionListener to the plot.

Parameters:

actionListener - the ActionListener to be added

triggerSubplotSelectEvent

protected void triggerSubplotSelectEvent(PlotItem it)

When a subplot was selected, forward the event to listeners.

Parameters:

it - PlotItem selected

dispose

public void dispose()

Cancel the overview, i.e. stop the thumbnailer

Overrides:

dispose in class SVGPlot

getRatio

public double getRatio()

Returns:

the ratio

setRatio

public void setRatio(double ratio)

Parameters:

ratio - the ratio to set

lazyRefresh

public final void lazyRefresh()

Trigger a redraw, but avoid excessive redraws.

resultAdded

public void resultAdded(Result child,
                        Result parent)

Description copied from interface: ResultListener

A new derived result was added.

Specified by:

resultAdded in interface ResultListener

Parameters:

child - New child result added

parent - Parent result that was added to

resultChanged

public void resultChanged(Result current)

Description copied from interface: ResultListener

Notify that the current result has changed substantially.

Specified by:

resultChanged in interface ResultListener

Parameters:

current - Result that has changed.

resultRemoved

public void resultRemoved(Result child,
                          Result parent)

Description copied from interface: ResultListener

A result was removed.

Specified by:

resultRemoved in interface ResultListener

Parameters:

child - result that was removed

parent - Parent result that was removed from