[QGIS-trac] [Quantum GIS] #3824: make it possible to see & change layer CRS directly from layer menu

[Quantum GIS]

#3824: make it possible to see & change layer CRS directly from layer menu
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   Reporter:  nirvn             |              Owner:  nobody       
       Type:  enhancement       |             Status:  new          
   Priority:  minor: annoyance  |          Milestone:  Version 2.0.0
  Component:  GUI               |            Version:               
   Keywords:                    |   Platform_version:               
   Platform:  All               |           Must_fix:  No           
Status_info:  0                 |  
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 It'd be nice for QGIS to display the 3 most recently used CRS items
 directly from the layer menu and allow the user to click on them to set
 the layer's CRS to the selected item.

 Accompanying this change, QGIS should also display the current layer CRS
 directly in the menu.

 Resulting layer menu would look like this:

 {{{
 /---------------------\
 | Zoom to layer...    |
 | Show in overview    |
 | Remove              |
 | ------------------- |/------------------------------\
 | Layer CRS         > || Current CRS (disabled state) |
 | ------------------- || Set project to Layer CRS     |
 | [...]               || ---------------------------- |
 |                     || Recent #1                    |
 |                     || Recent #2                    |
 |                     || Recent #3                    |
 |                     || ---------------------------- |
 |                     || Open CRS selector...         |
 |                     |\------------------------------/
 |                     |
 \---------------------/
 }}}

 IMO, positive aspects of this change are:
  * A good way to increase efficiency with regards to layers CRS
 management.
  * Allow for the user to skip the time QGIS needs to compile the CRS list
 & create the CRS selector window in cases he/she only wants to select most
 recently used CRS. (as it currently is, even on high-end windows machines,
 the user has to wait a couple of seconds for the window to show up)
  * Remove the 'set project to layer CRS' item from the root menu, making
 the root menu less busy by removing an item rarely used (in theory, the
 user would use this function only once per project)
  * Allow for the user to quickly see the layer CRS without opening the
 property window, also useful in deciding whether to use layer CRS as
 project CRS

-- 
Ticket URL: <http://trac.osgeo.org/qgis/ticket/3824>
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