[Csp-commits] svn:csp r2212 - branches/layout_tool_improvements/csp/tools/layout2/scripts/ui/commands

[<sv...@ww...>]

Author: nsmoooose
Date: 2008-01-30 23:44:18 -0800 (Wed, 30 Jan 2008)
New Revision: 2212

Added:
   branches/layout_tool_improvements/csp/tools/layout2/scripts/ui/commands/FileCommandRegistry.py
Modified:
   branches/layout_tool_improvements/csp/tools/layout2/scripts/ui/commands/OpenSelectedFileCommand.py
Log:
Added very basic file identification when you click on a file in the project tree.

Browse at: https://www.zerobar.net/viewcvs/viewcvs.cgi?view=rev&rev=2212

Added: branches/layout_tool_improvements/csp/tools/layout2/scripts/ui/commands/FileCommandRegistry.py
===================================================================
--- branches/layout_tool_improvements/csp/tools/layout2/scripts/ui/commands/FileCommandRegistry.py	                        (rev 0)
+++ branches/layout_tool_improvements/csp/tools/layout2/scripts/ui/commands/FileCommandRegistry.py	2008-01-31 07:44:18 UTC (rev 2212)
@@ -0,0 +1,30 @@
+#!/usr/bin/env python
+import os
+
+from OpenCustomLayoutModelFileCommand import OpenCustomLayoutModelFileCommand
+
+class FileCommandRegistry:
+	"""This is responsible for knowing what Command to execute
+	on different files. It is also responsible for identification
+	of files in order to choose the correct Command."""
+
+	def GetCommandForFile(self, fileName):
+		"""Returns a Command to use for the file. If no command
+		can be found for that file type we return None."""
+		if os.path.isfile(fileName) == False:
+			return None
+
+		# Get the file name extension in lowercase.
+		command = None
+		extension = os.path.splitext(fileName)[1].lower()
+		if extension == '.xml':
+			command = OpenCustomLayoutModelFileCommand()
+
+		# If we have found a command we set the fileName on it
+		# and returns it.
+		if command is not None:
+			command.SetFileName(fileName)
+			return command
+
+		return None
+

Modified: branches/layout_tool_improvements/csp/tools/layout2/scripts/ui/commands/OpenSelectedFileCommand.py
===================================================================
--- branches/layout_tool_improvements/csp/tools/layout2/scripts/ui/commands/OpenSelectedFileCommand.py	2008-01-23 15:39:46 UTC (rev 2211)
+++ branches/layout_tool_improvements/csp/tools/layout2/scripts/ui/commands/OpenSelectedFileCommand.py	2008-01-31 07:44:18 UTC (rev 2212)
@@ -3,7 +3,7 @@
 import wx
 from csp.tools.layout2.scripts.data import DataTree
 from csp.tools.layout2.scripts.ui.controls.ProjectTree import ProjectTree
-from OpenCustomLayoutModelFileCommand import OpenCustomLayoutModelFileCommand
+from FileCommandRegistry import FileCommandRegistry
 
 class OpenSelectedFileCommand:
 	"""Opens the selected file in the project tree of this 
@@ -21,10 +21,7 @@
 		return "document-open.png"
 
 	def Execute(self):
-		"""Load a feature group or feature model from the specified file.  The existing
-		graph, if any, will be discarded.  If file represents a feature model, a
-		default feature group is created at the root of the new graph.
-		"""
+		"""Loads a document from the project tree."""
 		
 		# Get the application object. This object is used to retreive the
 		# configuration object and the top window for this application.
@@ -44,8 +41,16 @@
 		if fileName is None:
 			return
 
-		# Now it is time to identify the filetype of the selected file.
-		command = OpenCustomLayoutModelFileCommand()
-		command.SetFileName(fileName)
-		command.Execute()
+		# Now we have a file name and all apropriate data to identify
+		# the file selected. This is the responsibility of the 
+		# FileCommandRegistry. Get a command and execute it.
+		fileRegistry = FileCommandRegistry()
+		command = fileRegistry.GetCommandForFile(fileName)
+		if command is not None:
+			command.Execute()
+		else:
+			messageDialog = wx.MessageDialog(topWindow, 
+				'Cannot find a FileCommand to execute on that file type.',
+				'Error loading file', style = wx.OK|wx.ICON_ERROR)
+			messageDialog.ShowModal()