de.lmu.ifi.dbs.elki.visualization.visualizers.parallel.selection

Class SelectionToolAxisRangeVisualization.Instance

java.lang.Object

de.lmu.ifi.dbs.elki.visualization.visualizers.AbstractVisualization

de.lmu.ifi.dbs.elki.visualization.visualizers.parallel.AbstractParallelVisualization<NumberVector<?>>

de.lmu.ifi.dbs.elki.visualization.visualizers.parallel.selection.SelectionToolAxisRangeVisualization.Instance

All Implemented Interfaces:

ResultListener, DragableArea.DragListener, Visualization, EventListener

Enclosing class:

SelectionToolAxisRangeVisualization

public class SelectionToolAxisRangeVisualization.Instance
extends AbstractParallelVisualization<NumberVector<?>>
implements DragableArea.DragListener

Instance

Field Summary

Fields

Modifier and Type	Field and Description
private static String	CSS_RANGEMARKER Generic tag to indicate the type of element.
private Element	etag Element for the rectangle to add listeners
private Element	rtag Element for selection rectangle

Fields inherited from class de.lmu.ifi.dbs.elki.visualization.visualizers.parallel.AbstractParallelVisualization

axsep, proj, relation

Fields inherited from class de.lmu.ifi.dbs.elki.visualization.visualizers.AbstractVisualization

context, layer, pendingRedraw, svgp, task

Constructor Summary

Constructors

Constructor and Description
SelectionToolAxisRangeVisualization.Instance(VisualizationTask task) Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
protected void	addCSSClasses(SVGPlot svgp) Adds the required CSS-Classes
private void	deleteChildren(Element container) Delete the children of the element
boolean	duringDrag(org.w3c.dom.svg.SVGPoint startPoint, org.w3c.dom.svg.SVGPoint dragPoint, Event evt, boolean inside) Method called during drags.
boolean	endDrag(org.w3c.dom.svg.SVGPoint startPoint, org.w3c.dom.svg.SVGPoint dragPoint, Event evt, boolean inside) Method called when a drag was ended.
protected void	redraw() Perform a full redraw.
boolean	startDrag(org.w3c.dom.svg.SVGPoint startPoint, Event evt) Action to do on drag start.
private void	updateSelection(Projection proj, org.w3c.dom.svg.SVGPoint p1, org.w3c.dom.svg.SVGPoint p2) Update the selection in the context.
private void	updateSelectionRectKoordinates(double x1, double x2, double y1, double y2, DoubleDoublePair[] ranges) Set the selected ranges and the mask for the actual dimensions in the context

Methods inherited from class de.lmu.ifi.dbs.elki.visualization.visualizers.parallel.AbstractParallelVisualization

getAxisSep, getMarginLeft, getMarginTop, getSizeX, getSizeY, getVisibleAxisX, resultChanged, setupCanvas

Methods inherited from class de.lmu.ifi.dbs.elki.visualization.visualizers.AbstractVisualization

contentChanged, destroy, getHeight, getLayer, getWidth, incrementalRedraw, resultAdded, resultRemoved, synchronizedRedraw

Methods inherited from class java.lang.Object

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

Field Detail

CSS_RANGEMARKER

private static final String CSS_RANGEMARKER

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

See Also:

Constant Field Values

rtag

private Element rtag

Element for selection rectangle

etag

private Element etag

Element for the rectangle to add listeners

Constructor Detail

SelectionToolAxisRangeVisualization.Instance

public SelectionToolAxisRangeVisualization.Instance(VisualizationTask task)

Constructor.

Parameters:

task - Task

Method Detail

redraw

protected void redraw()

Description copied from class: AbstractVisualization

Perform a full redraw.

Specified by:

redraw in class AbstractVisualization

deleteChildren

private void deleteChildren(Element container)

Delete the children of the element

Parameters:

container - SVG-Element

updateSelectionRectKoordinates

private void updateSelectionRectKoordinates(double x1,
                                  double x2,
                                  double y1,
                                  double y2,
                                  DoubleDoublePair[] ranges)

Set the selected ranges and the mask for the actual dimensions in the context

Parameters:

x1 - min x-value

x2 - max x-value

y1 - min y-value

y2 - max y-value

startDrag

public boolean startDrag(org.w3c.dom.svg.SVGPoint startPoint,
                Event evt)

Description copied from interface: DragableArea.DragListener

Action to do on drag start.

Specified by:

startDrag in interface DragableArea.DragListener

Parameters:

startPoint - Point where the drag was started.

evt - The event object

Returns:

true to start the drag operation

duringDrag

public boolean duringDrag(org.w3c.dom.svg.SVGPoint startPoint,
                 org.w3c.dom.svg.SVGPoint dragPoint,
                 Event evt,
                 boolean inside)

Description copied from interface: DragableArea.DragListener

Method called during drags.

Specified by:

duringDrag in interface DragableArea.DragListener

Parameters:

startPoint - Drag starting point

dragPoint - Drag end point

evt - The event object

inside - Inside the tracked element

Returns:

true to continue the drag

endDrag

public boolean endDrag(org.w3c.dom.svg.SVGPoint startPoint,
              org.w3c.dom.svg.SVGPoint dragPoint,
              Event evt,
              boolean inside)

Description copied from interface: DragableArea.DragListener

Method called when a drag was ended.

Specified by:

endDrag in interface DragableArea.DragListener

Parameters:

startPoint - Drag starting point

dragPoint - Drag end point

evt - The event object

inside - Whether the end point was inside the area

Returns:

true to complete the drag

updateSelection

private void updateSelection(Projection proj,
                   org.w3c.dom.svg.SVGPoint p1,
                   org.w3c.dom.svg.SVGPoint p2)

Update the selection in the context.

Parameters:

proj - The projection

p1 - First Point of the selected rectangle

p2 - Second Point of the selected rectangle

addCSSClasses

protected void addCSSClasses(SVGPlot svgp)

Adds the required CSS-Classes

Parameters:

svgp - SVG-Plot