Mercurial > traipse_dev

annotate orpg/mapper/whiteboard_msg.py @ 21:fdd70f11bc7e traipse_dev

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One too many deletes last time. This run tested on Linux and working
author sirebral
date Sat, 25 Jul 2009 19:28:21 -0500
parents 072ffc1d466f
children 36919b8a3ef9
rev   line source
0
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1 # Copyright (C) 2000-2001 The OpenRPG Project
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2 #
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3 # openrpg-dev@lists.sourceforge.net
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4 #
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5 # This program is free software; you can redistribute it and/or modify
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6 # it under the terms of the GNU General Public License as published by
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7 # the Free Software Foundation; either version 2 of the License, or
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8 # (at your option) any later version.
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9 #
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10 # This program is distributed in the hope that it will be useful,
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11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 # GNU General Public License for more details.
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14 #
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15 # You should have received a copy of the GNU General Public License
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16 # along with this program; if not, write to the Free Software
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17 # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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18 # --
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19 #
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20 # File: mapper/whiteboard_msg.py
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21 # Author: Chris Davis
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22 # Maintainer:
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23 # Version:
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24 # $Id: whiteboard_msg.py,v 1.12 2007/03/09 14:11:56 digitalxero Exp $
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25 #
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26 # Description: This file contains some of the basic definitions for the chat
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27 # utilities in the orpg project.
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28 #
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29 __version__ = "$Id: whiteboard_msg.py,v 1.12 2007/03/09 14:11:56 digitalxero Exp $"
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30
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31 from base_msg import *
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32
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33 class item_msg(map_element_msg_base):
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34
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35 def __init__(self,reentrant_lock_object = None, tagname = "line"):
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36 self.tagname = tagname # set this to be for items. Tagname gets used in some base class functions.
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37 map_element_msg_base.__init__(self,reentrant_lock_object) # call base class
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38
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39 # convenience method to use if only this item is modified
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40 # outputs a <map/> element containing only the changes to this item
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41 def standalone_update_text(self,update_id_string):
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42 buffer = "<map id='" + update_id_string + "'>"
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43 buffer += "<whiteboard>"
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44 buffer += self.get_changed_xml()
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45 buffer += "</whiteboad></map>"
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46 return buffer
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47
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48 # convenience method to use if only this item is modified
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49 # outputs a <map/> element that deletes this item
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50 def standalone_delete_text(self,update_id_string):
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51 buffer = None
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52 if self._props.has_key("id"):
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53 buffer = "<map id='" + update_id_string + "'>"
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54 buffer += "<whiteboard>"
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55 buffer += "<"+self.tagname+" action='del' id='" + self._props("id") + "'/>"
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56 buffer += "</whiteboard></map>"
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57 return buffer
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58
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59 # convenience method to use if only this item is modified
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60 # outputs a <map/> element to add this item
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61 def standalone_add_text(self,update_id_string):
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62 buffer = "<map id='" + update_id_string + "'>"
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63 buffer += "<whiteboard>"
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64 buffer += self.get_all_xml()
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65 buffer += "</whiteboard></map>"
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66 return buffer
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67
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68 def get_all_xml(self,action="new",output_action=1):
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69 return map_element_msg_base.get_all_xml(self,action,output_action)
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70
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71 def get_changed_xml(self,action="update",output_action=1):
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72 return map_element_msg_base.get_changed_xml(self,action,output_action)
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73
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74
0
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75 class whiteboard_msg(map_element_msg_base):
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76
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77 def __init__(self,reentrant_lock_object = None):
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78 self.tagname = "whiteboard"
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79 map_element_msg_base.__init__(self,reentrant_lock_object)
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80
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81 def init_from_dom(self,xml_dom):
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82 self.p_lock.acquire()
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83 if xml_dom.tagName == self.tagname:
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84 if xml_dom.getAttributeKeys():
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85 for k in xml_dom.getAttributeKeys():
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86 self.init_prop(k,xml_dom.getAttribute(k))
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87 for c in xml_dom._get_childNodes():
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88 item = item_msg(self.p_lock,c._get_nodeName())
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89 try: item.init_from_dom(c)
0
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90 except Exception, e:
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91 print e
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92 continue
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93 id = item.get_prop("id")
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94 action = item.get_prop("action")
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95 if action == "new": self.children[id] = item
0
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96 elif action == "del":
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97 if self.children.has_key(id):
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98 self.children[id] = None
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99 del self.children[id]
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100 elif action == "update":
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101 if self.children.has_key(id): self.children[id].init_props(item.get_all_props())
0
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102 else:
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103 self.p_lock.release()
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104 raise Exception, "Error attempting to initialize a " + self.tagname + " from a non-<" + self.tagname + "/> element in whiteboard"
0
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105 self.p_lock.release()
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106
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107 def set_from_dom(self,xml_dom):
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108 self.p_lock.acquire()
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109 if xml_dom.tagName == self.tagname:
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110 if xml_dom.getAttributeKeys():
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111 for k in xml_dom.getAttributeKeys():
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112 self.set_prop(k,xml_dom.getAttribute(k))
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113 for c in xml_dom._get_childNodes():
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114 item = item_msg(self.p_lock, c._get_nodeName())
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115 try: item.set_from_dom(c)
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116 except Exception, e:
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117 print e
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118 continue
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119 id = item.get_prop("id")
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120 action = item.get_prop("action")
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121 if action == "new": self.children[id] = item
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122 elif action == "del":
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123 if self.children.has_key(id):
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124 self.children[id] = None
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125 del self.children[id]
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126 elif action == "update":
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127 if self.children.has_key(id): self.children[id].set_props(item.get_all_props())
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128 else:
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129 self.p_lock.release()
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130 raise Exception, "Error attempting to set a " + self.tagname + " from a non-<" + self.tagname + "/> element"
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131 self.p_lock.release()