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

Class LayerMap

java.lang.Object

de.lmu.ifi.dbs.elki.visualization.gui.overview.LayerMap

public class LayerMap
extends Object

Class to help keeping track of the materialized layers of the different visualizations.

Field Summary

Fields

Modifier and Type	Field and Description
private HashMap<Pair<PlotItem,VisualizationTask>,Pair<Element,Visualization>>	map The actual map

Constructor Summary

Constructors

Constructor and Description
LayerMap()

Method Summary

Methods

Modifier and Type	Method and Description
void	clear() Clear a map
Pair<Element,Visualization>	get(PlotItem it, VisualizationTask task) Get a pair from the map
Element	getContainer(PlotItem item, VisualizationTask task) Get the container element referenced by a item/key combination.
Visualization	getVisualization(PlotItem item, VisualizationTask task) Get the visualization referenced by a item/key combination.
private Pair<PlotItem,VisualizationTask>	key(PlotItem item, VisualizationTask task) Helper function for building a key object
void	put(PlotItem it, VisualizationTask task, Element elem, Visualization vis) Put a new combination into the map.
void	put(PlotItem it, VisualizationTask task, Pair<Element,Visualization> pair) Put a new item into the visualizations
Pair<Element,Visualization>	remove(PlotItem it, VisualizationTask task) Remove a combination.
private Pair<Element,Visualization>	value(Element elem, Visualization vis) Helper function to build a value pair
Iterable<Pair<Element,Visualization>>	values() Iterate over values

Methods inherited from class java.lang.Object

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

Field Detail

map

private HashMap<Pair<PlotItem,VisualizationTask>,Pair<Element,Visualization>> map

The actual map

Constructor Detail

LayerMap

public LayerMap()

Method Detail

key

private Pair<PlotItem,VisualizationTask> key(PlotItem item,
                                   VisualizationTask task)

Helper function for building a key object

Parameters:

item - Plot item

task - Visualization Task

Returns:

Key

value

private Pair<Element,Visualization> value(Element elem,
                                Visualization vis)

Helper function to build a value pair

Parameters:

elem - Container element

vis - Visualization

Returns:

Value object

getVisualization

public Visualization getVisualization(PlotItem item,
                             VisualizationTask task)

Get the visualization referenced by a item/key combination.

Parameters:

item - Plot ttem

task - Visualization task

Returns:

Visualization

getContainer

public Element getContainer(PlotItem item,
                   VisualizationTask task)

Get the container element referenced by a item/key combination.

Parameters:

item - Plot item

task - Visualization task

Returns:

Container element

values

public Iterable<Pair<Element,Visualization>> values()

Iterate over values

Returns:

Value iterable

clear

public void clear()

Clear a map

put

public void put(PlotItem it,
       VisualizationTask task,
       Element elem,
       Visualization vis)

Put a new combination into the map.

Parameters:

it - Plot item

task - Visualization Task

elem - Container element

vis - Visualization

remove

public Pair<Element,Visualization> remove(PlotItem it,
                                 VisualizationTask task)

Remove a combination.

Parameters:

it - Plot item

task - Visualization task

Returns:

Previous value

put

public void put(PlotItem it,
       VisualizationTask task,
       Pair<Element,Visualization> pair)

Put a new item into the visualizations

Parameters:

it - Plot item

task - Visualization task

pair - Pair object

get

public Pair<Element,Visualization> get(PlotItem it,
                              VisualizationTask task)

Get a pair from the map

Parameters:

it - Plot item

task - Visualization task

Returns:

Pair object