de.lmu.ifi.dbs.elki.visualization.visualizers.vis2d
Class MoveObjectsToolVisualization<NV extends NumberVector<NV,?>>

java.lang.Object
  de.lmu.ifi.dbs.elki.visualization.visualizers.AbstractVisualization
      de.lmu.ifi.dbs.elki.visualization.visualizers.vis2d.P2DVisualization<NV>
          de.lmu.ifi.dbs.elki.visualization.visualizers.vis2d.MoveObjectsToolVisualization<NV>

Type Parameters:

NV - Type of the NumberVector being visualized.

All Implemented Interfaces:

ResultListener, DragableArea.DragListener, ContextChangeListener, Visualization, EventListener

public class MoveObjectsToolVisualization<NV extends NumberVector<NV,?>>
extends P2DVisualization<NV>
implements DragableArea.DragListener

Tool to move the currently selected objects.

Nested Class Summary

static class

MoveObjectsToolVisualization.Factory<NV extends NumberVector<NV,?>> Factory for tool visualizations for changing objects in the database

Field Summary

protected static String	CSS_ARROW CSS tag for our event rectangle
private Element	etag Element for the rectangle to add listeners
private static String	NAME A short name characterizing this Visualizer.
private Element	rtag Element to contain the drag arrow

Fields inherited from class de.lmu.ifi.dbs.elki.visualization.visualizers.vis2d.P2DVisualization

proj, rel

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

context, layer, pendingRedraw, svgp, task

Constructor Summary

MoveObjectsToolVisualization(VisualizationTask task)

Method Summary

private void	addCSSClasses(SVGPlot svgp) Adds the required CSS-Classes
void	contextChanged(ContextChangedEvent e) Method called on context changes (e.g. projection changes).
private void	deleteChildren(Element container) Delete the children of the element
void	destroy() Destroy the visualization.
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	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.vis2d.P2DVisualization

setupCanvas

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

getHeight, getLayer, getWidth, incrementalRedraw, resultAdded, resultChanged, resultRemoved, synchronizedRedraw, testRedraw

Methods inherited from class java.lang.Object

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

Field Detail

NAME

private static final String NAME

A short name characterizing this Visualizer.

See Also:

Constant Field Values

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

MoveObjectsToolVisualization

public MoveObjectsToolVisualization(VisualizationTask task)

Method Detail

destroy

public void destroy()

Description copied from interface: Visualization

Destroy the visualization. Called after the elements have been removed from the document. Implementations should remove their listeners etc.

Specified by:

destroy in interface Visualization

Overrides:

destroy in class AbstractVisualization

contextChanged

public void contextChanged(ContextChangedEvent e)

Description copied from interface: ContextChangeListener

Method called on context changes (e.g. projection changes). Usually, this should trigger a redraw!

Specified by:

contextChanged in interface ContextChangeListener

Overrides:

contextChanged in class AbstractVisualization

Parameters:

e - Change event

redraw

protected void redraw()

Description copied from class: AbstractVisualization

Perform a full redraw.

Specified by:

redraw 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