org.openstreetmap.josm.gui.preferences.projection

Class SingleProjectionChoice

java.lang.Object

org.openstreetmap.josm.gui.preferences.projection.AbstractProjectionChoice

org.openstreetmap.josm.gui.preferences.projection.SingleProjectionChoice

All Implemented Interfaces:

ProjectionChoice

Direct Known Subclasses:

SwissGridProjectionChoice

public class SingleProjectionChoice
extends AbstractProjectionChoice

ProjectionChoice, that offers just one projection as choice. The GUI is an empty panel.

Field Summary

Fields

Modifier and Type	Field and Description
protected String	code

Fields inherited from class org.openstreetmap.josm.gui.preferences.projection.AbstractProjectionChoice

cacheDir, id, name

Constructor Summary

Constructors

Constructor and Description
SingleProjectionChoice(String name, String id, String code) Constructs a new SingleProjectionChoice.
SingleProjectionChoice(String name, String id, String code, String cacheDir) Constructs a new SingleProjectionChoice.

Method Summary

Modifier and Type	Method and Description
String[]	allCodes() Return all projection codes supported by this projection choice.
String	getCurrentCode()
JPanel	getPreferencePanel(ActionListener listener) Generate and provide the GUI.
Collection<String>	getPreferences(JPanel p) Extract preferences from the GUI.
Collection<String>	getPreferencesFromCode(String code) Get Preferences from projection code.
String	getProjectionName()
void	setPreferences(Collection<String> args) Set the internal state to match the preferences.

Methods inherited from class org.openstreetmap.josm.gui.preferences.projection.AbstractProjectionChoice

getCacheDir, getId, getProjection, toString

Methods inherited from class java.lang.Object

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

Field Detail

code

protected String code

Constructor Detail

SingleProjectionChoice

public SingleProjectionChoice(String name,
                              String id,
                              String code,
                              String cacheDir)

Constructs a new SingleProjectionChoice.

Parameters:

name - short name of the projection choice as shown in the GUI

id - unique identifier for the projection choice, e.g. "core:thisproj"

code - the unique identifier for the projection, e.g. "EPSG:1234"

cacheDir - a cache directory name

SingleProjectionChoice

public SingleProjectionChoice(String name,
                              String id,
                              String code)

Constructs a new SingleProjectionChoice.

Parameters:

name - short name of the projection choice as shown in the GUI

id - unique identifier for the projection choice, e.g. "core:thisproj"

code - the unique identifier for the projection, e.g. "EPSG:1234"

Method Detail

getPreferencePanel

public JPanel getPreferencePanel(ActionListener listener)

Description copied from interface: ProjectionChoice

Generate and provide the GUI. It will be displayed to the user. Call the listener, when the user makes changes in the GUI, so the projection info in the top panel gets updated.

Parameters:

listener - listener for any change of preferences

Returns:

the GUI panel

allCodes

public String[] allCodes()

Description copied from interface: ProjectionChoice

Return all projection codes supported by this projection choice.

Returns:

all supported projection codes

setPreferences

public void setPreferences(Collection<String> args)

Description copied from interface: ProjectionChoice

Set the internal state to match the preferences. Will be called before getPreferencePanel and when the listener from getPreferencePanel is invoked.

Parameters:

args - preferences as a list of strings; may be null to reset everything.

getPreferences

public Collection<String> getPreferences(JPanel p)

Description copied from interface: ProjectionChoice

Extract preferences from the GUI. Will be called when the preference dialog is dismissed or when the listener from getPreferencePanel is invoked.

Parameters:

p - projection preferences panel

Returns:

preferences as a list of strings; may be null to reset everything.

See Also:

ProjectionChoice.setPreferences(java.util.Collection<java.lang.String>)

getPreferencesFromCode

public Collection<String> getPreferencesFromCode(String code)

Description copied from interface: ProjectionChoice

Get Preferences from projection code.

Parameters:

code - projection code

Returns:

null when code is not part of this projection choice. An empty Collection as return value indicates, that the code is supported, but no preferences are required to set it up.

getCurrentCode

public String getCurrentCode()

Specified by:

getCurrentCode in class AbstractProjectionChoice

getProjectionName

public String getProjectionName()

Specified by:

getProjectionName in class AbstractProjectionChoice