org.openjump.core.rasterimage
Class CurrentLayerIsRasterImageLayerCheck
java.lang.Object
org.openjump.core.rasterimage.CurrentLayerIsRasterImageLayerCheck
- All Implemented Interfaces:
- EnableCheck
public class CurrentLayerIsRasterImageLayerCheck
- extends java.lang.Object
- implements EnableCheck
Enable check (to controll menu items) that checks, if the selected layer is a RasterImage Layer
- Version:
- $Rev: 2434 $
- Author:
- Ole Rahn
FH Osnabrück - University of Applied Sciences Osnabrück,
Project: PIROL (2005),
Subproject: Daten- und Wissensmanagement
|
Method Summary |
java.lang.String |
check(javax.swing.JComponent component)
Returns a non-null value if the check failed. |
| Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
context
protected PlugInContext context
checker
protected EnableCheck checker
CurrentLayerIsRasterImageLayerCheck
public CurrentLayerIsRasterImageLayerCheck(PlugInContext context)
check
public java.lang.String check(javax.swing.JComponent component)
- Description copied from interface:
EnableCheck
- Returns a non-null value if the check failed. Sometimes the return value
is used (for example, it is displayed as a tooltip for menu-items);
sometimes it is not (for example, toolbar buttons don't do anything with
the return value). An advanced use of an EnableCheck is simply to change
some property of a menu item (such as the text), as it is called when
menu items are displayed.
- Specified by:
check in interface EnableCheck
- Returns:
- an error message if the check failed, or null if the check
passed