Add "Zoom to layer" option

[matthijs]

I often work on a few different things at the same time, sometimes far apart geographically. If so, I often download different parts of the map in different layers. Switching between layers is now not as easy as it could be. I have to activate a different layer, but then manually find it in the map (i.e. zoom out, see what bit of data is the right one, zoom back in). Alternatively, doing a select-all after activating a layer allows doing right-click and "zoom to selection" in the "Selection window", but that's still a bit cumbersome (and it took me a while to find this possibility).

What would help if I could right-click a layer in the "Layers" window, and select a (to be added) "Zoom to" option (similar like the "Zoom to selection" option in the "Selection" window, or the "zoom to" option for members when editing a relation.

Relative:URL: ^/trunk
Repository:UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
Last:Changed Date: 2020-06-30 19:13:42 +0200 (Tue, 30 Jun 2020)
Revision:16731
Build-Date:2020-07-01 01:30:51
URL:https://josm.openstreetmap.de/svn/trunk

Identification: JOSM/1.5 (16731 en) Linux Ubuntu 19.10
Memory Usage: 406 MB / 2048 MB (146 MB allocated, but free)
Java version: 11.0.7+10-post-Ubuntu-2ubuntu219.10, Ubuntu, OpenJDK 64-Bit Server VM
Look and Feel: javax.swing.plaf.metal.MetalLookAndFeel
Screen: :0.0 1280x800 (scaling 1.0x1.0)
Maximum Screen Size: 1280x800
Best cursor sizes: 16x16 -> 16x16, 32x32 -> 32x32
Java package: openjdk-11-jre:amd64-11.0.7+10-2ubuntu2~19.10
WebStart package: icedtea-netx:amd64-1.8-0ubuntu8
Java ATK Wrapper package: libatk-wrapper-java:all-0.35.0-3
libcommons-logging-java: libcommons-logging-java:all-1.2-2
fonts-noto: fonts-noto:-
VM arguments: [--add-reads=java.base=ALL-UNNAMED,java.desktop, --add-reads=java.desktop=ALL-UNNAMED,java.naming, --add-reads=java.naming=ALL-UNNAMED,java.desktop, --add-exports=java.desktop/sun.awt=ALL-UNNAMED,java.desktop, --add-exports=java.desktop/javax.jnlp=ALL-UNNAMED,java.desktop, --add-exports=java.base/com.sun.net.ssl.internal.ssl=ALL-UNNAMED,java.desktop, --add-exports=java.base/sun.net.www.protocol.jar=ALL-UNNAMED,java.desktop, --add-exports=java.base/sun.security.action=ALL-UNNAMED,java.desktop, --add-exports=java.base/sun.security.provider=ALL-UNNAMED,java.desktop, --add-exports=java.base/sun.security.util=ALL-UNNAMED,java.desktop, --add-exports=java.base/sun.security.validator=ALL-UNNAMED,java.desktop, --add-exports=java.base/sun.security.x509=ALL-UNNAMED,java.desktop, --add-exports=java.base/jdk.internal.util.jar=ALL-UNNAMED,java.desktop, --add-exports=java.base/sun.net.www.protocol.http=ALL-UNNAMED,java.desktop, --add-exports=java.desktop/sun.awt.X11=ALL-UNNAMED,java.desktop, --add-exports=java.desktop/sun.applet=ALL-UNNAMED,java.desktop, --add-exports=java.desktop/sun.applet=ALL-UNNAMED,jdk.jsobject, --add-exports=java.naming/com.sun.jndi.toolkit.url=ALL-UNNAMED,java.desktop, -Dicedtea-web.bin.name=javaws, -Dicedtea-web.bin.location=/usr/lib/icedtea-web/bin/javaws]
Dataset consistency test: No problems found

Plugins:
+ measurement (35405)
+ utilsplugin2 (35487)

Last errors/warnings:
- E: Region [TMS_BLOCK_v2] : Failure getting from disk, key = Esri World Imagery (Clarity) Beta:https://clarity.maptiles.arcgis.com/arcgis/rest/services/World_Imagery/MapServer/tile/{zoom}/{y}/{x}/15/17179/11555
- E: Region [TMS_BLOCK_v2] : Failure getting from disk, key = Esri World Imagery (Clarity) Beta:https://clarity.maptiles.arcgis.com/arcgis/rest/services/World_Imagery/MapServer/tile/{zoom}/{y}/{x}/14/8589/5777
- W: java.net.UnknownHostException: clarity.maptiles.arcgis.com
- W: Already here java.net.UnknownHostException: clarity.maptiles.arcgis.com
- W: java.net.UnknownHostException: clarity.maptiles.arcgis.com
- E: Region [TMS_BLOCK_v2] : Failure getting from disk, key = Esri World Imagery (Clarity) Beta:https://clarity.maptiles.arcgis.com/arcgis/rest/services/World_Imagery/MapServer/tile/{zoom}/{y}/{x}/15/17178/11555
- W: Already here java.net.UnknownHostException: clarity.maptiles.arcgis.com
- W: java.net.UnknownHostException: clarity.maptiles.arcgis.com
- W: Already here java.net.UnknownHostException: clarity.maptiles.arcgis.com
- W: Already here java.net.UnknownHostException: clarity.maptiles.arcgis.com