[Bf-extensions-cvs] SVN commit: /data/svn/bf-extensions [697] contrib/py/scripts/addons/ system_smart_line_break.py: add contrib/py/scripts/addons/ system_smart_line_break.py

[Brendon Murphy]

Revision: 697
          http://projects.blender.org/plugins/scmsvn/viewcvs.php?view=rev&root=bf-extensions&revision=697
Author:   meta-androcto
Date:     2010-05-30 01:56:51 +0200 (Sun, 30 May 2010)

Log Message:
-----------
add contrib/py/scripts/addons/system_smart_line_break.py
auto indent for the text editor

Added Paths:
-----------
    contrib/py/scripts/addons/system_smart_line_break.py

Added: contrib/py/scripts/addons/system_smart_line_break.py
===================================================================
--- contrib/py/scripts/addons/system_smart_line_break.py	                        (rev 0)
+++ contrib/py/scripts/addons/system_smart_line_break.py	2010-05-29 23:56:51 UTC (rev 697)
@@ -0,0 +1,80 @@
+#  ***** GPL LICENSE BLOCK ***** 
+#
+#  This program is free software: you can redistribute it and/or modify
+#  it under the terms of the GNU General Public License as published by
+#  the Free Software Foundation, either version 3 of the License, or
+#  (at your option) any later version.
+#
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#  All rights reserved.
+#  ***** GPL LICENSE BLOCK *****
+
+bl_addon_info={
+    "name":"Text Editor: Smart Line Break",
+    "author":"Chris Foster (Kira Vakaan)",
+    "version":"1.0 2010/5/20",
+    "blender":(2,5,3),
+    "location":"Text Editor",
+    "description":"Enables Smart Tabs (Auto-indents new lines)",
+    'url': 'http://wiki.blender.org/index.php/Extensions:2.5/Py/' \
+        'Scripts/Text/Smart_Tabs',
+    "category":"System"}
+
+#Please send questions or comments to:
+#cdbfoster at gmail.com
+
+import bpy
+from bpy.props import *
+
+class SmartLineBreak(bpy.types.Operator):
+    """Add a new text line using smart tabs"""
+
+    bl_idname="text.smart_line_break"
+    bl_label="Smart Line Break"
+
+    def execute(self,context):
+        #If not using tabs_as_spaces, perform the old functionality
+        if not bpy.context.space_data.text.tabs_as_spaces:
+            bpy.ops.text.line_break()
+            return {"FINISHED"}
+        #Get the current line to break from
+        CurrentLine=bpy.context.space_data.text.current_line.line
+        Whitespace=""
+        #Store each character of whitespace at the beginning of the line in Whitespace
+        for Letter in CurrentLine:
+            if Letter!=" ":
+                break
+            Whitespace+=" "
+        #Get rid of the whitespace
+        CurrentLine=CurrentLine.strip()
+        #Unindent after lines that start with...
+        if CurrentLine.startswith(("return","break","continue")):
+            Whitespace=" "*(bpy.context.space_data.tab_width*((len(Whitespace)//bpy.context.space_data.tab_width)-1))
+        #Indent after lines that end with...
+        if CurrentLine.endswith(":"):
+            Whitespace=" "*(bpy.context.space_data.tab_width*((len(Whitespace)//bpy.context.space_data.tab_width)+1))
+        #Add the new line character and the whitespace
+        bpy.ops.text.insert(text="\n")
+        bpy.ops.text.insert(text=Whitespace)
+        return {"FINISHED"}
+
+def register():
+    bpy.types.register(SmartLineBreak)
+    #Getting the key item by its index seems like a bit of a hack...
+    #Does anyone know a better way?
+    Item=bpy.context.manager.keyconfigs["Blender"].keymaps["Text"].item_from_id(59)
+    Item.idname="text.smart_line_break"
+
+def unregister():
+    Item=bpy.context.manager.keyconfigs["Blender"].keymaps["Text"].item_from_id(59)
+    Item.idname="text.line_break"
+    bpy.types.unregister(SmartLineBreak)
+    
+if __name__=="__main__":
+    register()
\ No newline at end of file