--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/orpg/mapper/whiteboard_msg.py	Tue Jul 14 16:41:58 2009 -0500
@@ -0,0 +1,136 @@
+# Copyright (C) 2000-2001 The OpenRPG Project
+#
+#    openrpg-dev@lists.sourceforge.net
+#
+# 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 2 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, write to the Free Software
+# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+# --
+#
+# File: mapper/whiteboard_msg.py
+# Author: Chris Davis
+# Maintainer:
+# Version:
+#   $Id: whiteboard_msg.py,v 1.12 2007/03/09 14:11:56 digitalxero Exp $
+#
+# Description: This file contains some of the basic definitions for the chat
+# utilities in the orpg project.
+#
+__version__ = "$Id: whiteboard_msg.py,v 1.12 2007/03/09 14:11:56 digitalxero Exp $"
+
+from base_msg import *
+
+class item_msg(map_element_msg_base):
+
+    def __init__(self,reentrant_lock_object = None, tagname = "line"):
+        self.tagname = tagname   # set this to be for items.  Tagname gets used in some base class functions.
+        map_element_msg_base.__init__(self,reentrant_lock_object)   # call base class
+
+    # convenience method to use if only this item is modified
+    #   outputs a <map/> element containing only the changes to this item
+    def standalone_update_text(self,update_id_string):
+        buffer = "<map id='" + update_id_string + "'>"
+        buffer += "<whiteboard>"
+        buffer += self.get_changed_xml()
+        buffer += "</whiteboad></map>"
+        return buffer
+
+    # convenience method to use if only this item is modified
+    #   outputs a <map/> element that deletes this item
+    def standalone_delete_text(self,update_id_string):
+        buffer = None
+        if self._props.has_key("id"):
+            buffer = "<map id='" + update_id_string + "'>"
+            buffer += "<whiteboard>"
+            buffer += "<"+self.tagname+" action='del' id='" + self._props("id") + "'/>"
+            buffer += "</whiteboard></map>"
+        return buffer
+
+    # convenience method to use if only this item is modified
+    #   outputs a <map/> element to add this item
+    def standalone_add_text(self,update_id_string):
+        buffer = "<map id='" + update_id_string + "'>"
+        buffer += "<whiteboard>"
+        buffer += self.get_all_xml()
+        buffer += "</whiteboard></map>"
+        return buffer
+
+    def get_all_xml(self,action="new",output_action=1):
+        return map_element_msg_base.get_all_xml(self,action,output_action)
+
+    def get_changed_xml(self,action="update",output_action=1):
+        return map_element_msg_base.get_changed_xml(self,action,output_action)
+
+class whiteboard_msg(map_element_msg_base):
+
+    def __init__(self,reentrant_lock_object = None):
+        self.tagname = "whiteboard"
+        map_element_msg_base.__init__(self,reentrant_lock_object)
+
+    def init_from_dom(self,xml_dom):
+        self.p_lock.acquire()
+        if xml_dom.tagName == self.tagname:
+            if xml_dom.getAttributeKeys():
+                for k in xml_dom.getAttributeKeys():
+                    self.init_prop(k,xml_dom.getAttribute(k))
+            for c in xml_dom._get_childNodes():
+                item = item_msg(self.p_lock,c._get_nodeName())
+                try:
+                    item.init_from_dom(c)
+                except Exception, e:
+                    print e
+                    continue
+                id = item.get_prop("id")
+                action = item.get_prop("action")
+                if action == "new":
+                    self.children[id] = item
+                elif action == "del":
+                    if self.children.has_key(id):
+                        self.children[id] = None
+                        del self.children[id]
+                elif action == "update":
+                    if self.children.has_key(id):
+                        self.children[id].init_props(item.get_all_props())
+        else:
+            self.p_lock.release()
+            raise Exception, "Error attempting to initialize a " + self.tagname + " from a non-<" + self.tagname + "/> element in whiteboard"
+        self.p_lock.release()
+
+    def set_from_dom(self,xml_dom):
+        self.p_lock.acquire()
+        if xml_dom.tagName == self.tagname:
+            if xml_dom.getAttributeKeys():
+                for k in xml_dom.getAttributeKeys():
+                    self.set_prop(k,xml_dom.getAttribute(k))
+            for c in xml_dom._get_childNodes():
+                item = item_msg(self.p_lock, c._get_nodeName())
+                try:
+                    item.set_from_dom(c)
+                except Exception, e:
+                    print e
+                    continue
+                id = item.get_prop("id")
+                action = item.get_prop("action")
+                if action == "new":
+                    self.children[id] = item
+                elif action == "del":
+                    if self.children.has_key(id):
+                        self.children[id] = None
+                        del self.children[id]
+                elif action == "update":
+                    if self.children.has_key(id):
+                        self.children[id].set_props(item.get_all_props())
+        else:
+            self.p_lock.release()
+            raise Exception, "Error attempting to set a " + self.tagname + " from a non-<" + self.tagname + "/> element"
+        self.p_lock.release()