jschuengel: thuban/Extensions/umn_mapserver mf_export.py,1.6,1.7

[cvs@intevation.de]

Author: jschuengel

Update of /thubanrepository/thuban/Extensions/umn_mapserver
In directory doto:/tmp/cvs-serv14431

Modified Files:
	mf_export.py 
Log Message:
Removed the check if a mapobj exist, because its not needed anymore. The export function is only available if a mapobj exist.
Added an extra function to remove all layers.


Index: mf_export.py
===================================================================
RCS file: /thubanrepository/thuban/Extensions/umn_mapserver/mf_export.py,v
retrieving revision 1.6
retrieving revision 1.7
diff -u -d -r1.6 -r1.7
--- mf_export.py	28 Jul 2004 12:36:27 -0000	1.6
+++ mf_export.py	3 Aug 2004 11:56:08 -0000	1.7
@@ -105,11 +105,9 @@
     
 def export_mapfile(context):
     
-    if hasattr(context.mainwindow.canvas.Map(), "extension_umn_mapobj"):
-        theMap = context.mainwindow.canvas.Map().extension_umn_mapobj
-    else:
-        theMap = MF_Map(mapObj(""))
-        context.mainwindow.canvas.Map().extension_umn_mapobj = theMap
+    theMap = context.mainwindow.canvas.Map().extension_umn_mapobj
+    
+    theMap.remove_all_layers()
     
     dlg = wxFileDialog(context.mainwindow, "Save file as...", ".", "", 
                        "UMN MapServer Mapfiles (*.map)|*.map|"     \
@@ -137,14 +135,6 @@
     # this funktion will write a commend to the generated mapfile
     # that shows that the file is generated by thuban
     write_creatorcomment(path,file)
-    
-    # remove alle added layers from the temporary mapobj
-    # this is necessary because the layers will add new on each save
-    tb_map =context.mainwindow.canvas.Map()
-    tb_layers = tb_map.Layers()
-    
-    for nr in range(len(tb_layers)-1, -1, -1):
-        theMap.remove_layer(nr)
  
  
 # check if an mapobj exists, to control the menuitem is available or not