org.geotools.swing.dialog

Class JCRSChooser

Object

JCRSChooser

public class JCRSChooser
extends Object

This class has a single static method that shows a dialog to prompt the user to choose a coordinate reference system.

Example of use:

 CoordinateReferenceSystem crs = JCRSChooser.showDialog();
 if (crs != null) {
     // use the CRS...
 }
 

Since:

2.6

Author:

Michael Bedward

Field Summary

Fields

Modifier and Type	Field and Description
static String	DEFAULT_AUTHORITY Default authority name (EPSG).
static String	DEFAULT_TITLE Default dialog title

Method Summary

Modifier and Type	Method and Description
static CoordinateReferenceSystem	showDialog() Displays a dialog with a list of coordinate reference systems in the EPSG database.
static CoordinateReferenceSystem	showDialog(String title) Displays a dialog with a list of coordinate reference systems in the EPSG database.
static CoordinateReferenceSystem	showDialog(String title, String initialCode) Displays a dialog with a list of coordinate reference systems in the EPSG database and with the specified initial code highlighted.
static CoordinateReferenceSystem	showDialog(String title, String initialCode, String authority) Displays a dialog with a list of coordinate reference systems provided by the given authority (e.g.

Methods inherited from class Object

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

Field Detail

DEFAULT_AUTHORITY

public static final String DEFAULT_AUTHORITY

Default authority name (EPSG).

See Also:

Constant Field Values

DEFAULT_TITLE

public static final String DEFAULT_TITLE

Default dialog title

See Also:

Constant Field Values

Method Detail

showDialog

public static CoordinateReferenceSystem showDialog()

Displays a dialog with a list of coordinate reference systems in the EPSG database.

This method can be called safely from any thread.

Returns:

a CoordinateReferenceSystem object or null if the user cancelled the dialog

showDialog

public static CoordinateReferenceSystem showDialog(String title)

Displays a dialog with a list of coordinate reference systems in the EPSG database.

This method can be called safely from any thread.

Parameters:

title - optional non-default title

Returns:

a CoordinateReferenceSystem object or null if the user cancelled the dialog

showDialog

public static CoordinateReferenceSystem showDialog(String title,
                                                   String initialCode)

Displays a dialog with a list of coordinate reference systems in the EPSG database and with the specified initial code highlighted.

This method can be called safely from any thread.

Parameters:

title - optional non-default title

initialCode - optional initial EPSG code

Returns:

a CoordinateReferenceSystem object or null if the user cancelled the dialog

showDialog

public static CoordinateReferenceSystem showDialog(String title,
                                                   String initialCode,
                                                   String authority)

Displays a dialog with a list of coordinate reference systems provided by the given authority (e.g. "EPSG"), and with the specified initial code highlighted.

This method can be called safely from any thread.

Parameters:

title - optional non-default title

initialCode - an optional initial code in appropriate form for the authority

authority - optional non-default authority (defaults to "EPSG")

Returns:

a CoordinateReferenceSystem object or null if the user cancelled the dialog