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

Class MoveObjectsToolVisualization.Instance

java.lang.Object

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

de.lmu.ifi.dbs.elki.visualization.visualizers.scatterplot.AbstractScatterplotVisualization

de.lmu.ifi.dbs.elki.visualization.visualizers.scatterplot.selection.MoveObjectsToolVisualization.Instance

All Implemented Interfaces:

DataStoreListener, ResultListener, DragableArea.DragListener, VisualizationListener, Visualization, EventListener

Enclosing class:

MoveObjectsToolVisualization

public class MoveObjectsToolVisualization.Instance
extends AbstractScatterplotVisualization
implements DragableArea.DragListener

Instance.

Author:

Heidi Kolb, Erich Schubert

Field Summary

Fields

Modifier and Type	Field and Description
protected static String	CSS_ARROW CSS tag for our event rectangle
private Element	etag Element for the rectangle to add listeners
private Element	rtag Element to contain the drag arrow

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

proj, rel, sample

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

context, layer, svgp, task

Constructor Summary

Constructors

Constructor and Description
Instance(VisualizationTask task, VisualizationPlot plot, double width, double height, Projection proj) Constructor.

Method Summary

Modifier and Type	Method and Description
private 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.
void	fullRedraw() Request a full redrawing of the visualization.
boolean	startDrag(org.w3c.dom.svg.SVGPoint startPoint, Event evt) Action to do on drag start.
private void	updateDB(DBIDs dbids, Vector movingVector) Updates the objects with the given DBIDs It will be moved depending on the given Vector

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

setupCanvas, setupCanvas, visualizationChanged

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

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

Methods inherited from class java.lang.Object

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

Field Detail

CSS_ARROW

protected static final String CSS_ARROW

CSS tag for our event rectangle

See Also:

Constant Field Values

etag

private Element etag

Element for the rectangle to add listeners

rtag

private Element rtag

Element to contain the drag arrow

Constructor Detail

Instance

public Instance(VisualizationTask task,
                VisualizationPlot plot,
                double width,
                double height,
                Projection proj)

Constructor.

Parameters:

task - 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

updateDB

private void updateDB(DBIDs dbids,
                      Vector movingVector)

Updates the objects with the given DBIDs It will be moved depending on the given Vector

Parameters:

dbids - - DBIDs of the objects to move

movingVector - - Vector for moving object

deleteChildren

private void deleteChildren(Element container)

Delete the children of the element

Parameters:

container - SVG-Element

addCSSClasses

private void addCSSClasses(SVGPlot svgp)

Adds the required CSS-Classes

Parameters:

svgp - SVGPlot

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