annotate src/tools/xml_tools.py @ 515:29b5ef129488

plugin XEP-0045, plugin text commands: added '/title' command
author Goffi <goffi@goffi.org>
date Sat, 20 Oct 2012 18:02:14 +0200
parents 2a072735e459
children a31abb97310d
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1 #!/usr/bin/python
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2 # -*- coding: utf-8 -*-
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3
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4 """
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5 SAT: a jabber client
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6 Copyright (C) 2009, 2010, 2011, 2012 Jérôme Poisson (goffi@goffi.org)
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7
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8 This program is free software: you can redistribute it and/or modify
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9 it under the terms of the GNU Affero General Public License as published by
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10 the Free Software Foundation, either version 3 of the License, or
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11 (at your option) any later version.
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12
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13 This program is distributed in the hope that it will be useful,
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14 but WITHOUT ANY WARRANTY; without even the implied warranty of
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15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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16 GNU Affero General Public License for more details.
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17
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18 You should have received a copy of the GNU Affero General Public License
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19 along with this program. If not, see <http://www.gnu.org/licenses/>.
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20 """
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21
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22 from logging import debug, info, error
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23 from xml.dom import minidom
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24 from wokkel import data_form
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25 import pdb
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26 from twisted.words.xish import domish
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27
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28 """This library help manage XML used in SàT (parameters, registration, etc) """
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31 def dataForm2xml(form):
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32 """Take a data form (xep-0004, Wokkel's implementation) and convert it to a SàT xml"""
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33
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34 form_ui = XMLUI("form", "vertical")
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36 if form.instructions:
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37 form_ui.addText('\n'.join(form.instructions), 'instructions')
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39 labels = filter(lambda field:field.label,form.fieldList)
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40 if labels:
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41 #if there is no label, we don't need to use pairs
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42 form_ui.changeLayout("pairs")
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44 for field in form.fieldList:
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45 if field.fieldType == 'fixed':
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46 __field_type = 'text'
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47 elif field.fieldType == 'text-single':
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48 __field_type = "string"
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49 elif field.fieldType == 'text-private':
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50 __field_type = "password"
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51 elif field.fieldType == 'list-single':
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52 __field_type = "list"
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53 else:
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54 error (u"FIXME FIXME FIXME: Type [%s] is not managed yet by SàT" % field.fieldType)
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55 __field_type = "string"
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56
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57 if labels:
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58 if field.label:
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59 form_ui.addLabel(field.label)
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60 else:
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61 form_ui.addEmpty()
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62
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63 elem = form_ui.addElement(__field_type, field.var, field.value, [option.value for option in field.options])
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64 return form_ui.toXml()
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65
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66 def tupleList2dataForm(values):
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67 """convert a list of tuples (name,value) to a wokkel submit data form"""
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68 form = data_form.Form('submit')
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69 for value in values:
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70 field = data_form.Field(var=value[0], value=value[1])
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71 form.addField(field)
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73 return form
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74
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75 def paramsXml2xmlUI(xml):
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76 """Convert the xml for parameter to a SàT XML User Interface"""
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77 params_doc = minidom.parseString(xml.encode('utf-8'))
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78 top = params_doc.documentElement
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79 if top.nodeName != 'params':
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80 error(_('INTERNAL ERROR: parameters xml not valid'))
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81 assert(False)
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82 param_ui = XMLUI("param", "tabs")
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83 for category in top.getElementsByTagName("category"):
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84 name = category.getAttribute('name')
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85 label = category.getAttribute('label')
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86 if not name:
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87 error(_('INTERNAL ERROR: params categories must have a name'))
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88 assert(False)
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89 param_ui.addCategory(name, 'pairs', label=label)
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90 for param in category.getElementsByTagName("param"):
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91 name = param.getAttribute('name')
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92 label = param.getAttribute('label')
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93 if not name:
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94 error(_('INTERNAL ERROR: params must have a name'))
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95 assert(False)
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96 type = param.getAttribute('type')
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97 value = param.getAttribute('value') or None
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98 callback_id = param.getAttribute('callback_id') or None
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99 if type == "button":
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100 param_ui.addEmpty()
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101 else:
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102 param_ui.addLabel(label or name)
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103 param_ui.addElement(name=name, type=type, value=value, callback_id=callback_id)
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104
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105 return param_ui.toXml()
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106
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107
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108
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109
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110 class XMLUI:
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111 """This class is used to create a user interface (form/window/parameters/etc) using SàT XML"""
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112
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113 def __init__(self, panel_type, layout="vertical", title=None):
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114 """Init SàT XML Panel
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115 @param panel_type: one of
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116 - window (new window)
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117 - form (formulaire, depend of the frontend, usually a panel with cancel/submit buttons)
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118 - param (parameters, presentatio depend of the frontend)
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119 @param layout: disposition of elements, one of:
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120 - vertical: elements are disposed up to bottom
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121 - horizontal: elements are disposed left to right
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122 - pairs: elements come on two aligned columns
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123 (usually one for a label, the next for the element)
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124 - tabs: elemens are in categories with tabs (notebook)
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125 @param title: title or default if None
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126 """
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127 if not panel_type in ['window', 'form', 'param']:
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128 error(_("Unknown panel type [%s]") % panel_type)
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129 assert(False)
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130 self.type = panel_type
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131 impl = minidom.getDOMImplementation()
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132
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133 self.doc = impl.createDocument(None, "sat_xmlui", None)
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134 top_element = self.doc.documentElement
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135 top_element.setAttribute("type", panel_type)
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136 if title:
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137 top_element.setAttribute("title", title)
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138 self.parentTabsLayout = None #used only we have 'tabs' layout
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139 self.currentCategory = None #used only we have 'tabs' layout
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140 self.changeLayout(layout)
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141
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142 def __del__(self):
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diff changeset
143 self.doc.unlink()
37
a61beb21d16d Gateway registration, unregistration & edition
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parents: 35
diff changeset
144
103
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diff changeset
145 def __createLayout(self, layout, parent=None):
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diff changeset
146 """Create a layout element
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diff changeset
147 @param type: layout type (cf init doc)
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diff changeset
148 @parent: parent element or None
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diff changeset
149 """
104
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diff changeset
150 if not layout in ['vertical', 'horizontal', 'pairs', 'tabs']:
103
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diff changeset
151 error (_("Unknown layout type [%s]") % layout)
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diff changeset
152 assert (False)
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diff changeset
153 layout_elt = self.doc.createElement('layout')
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diff changeset
154 layout_elt.setAttribute('type',layout)
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diff changeset
155 if parent != None:
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diff changeset
156 parent.appendChild(layout_elt)
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diff changeset
157 return layout_elt
37
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parents: 35
diff changeset
158
103
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diff changeset
159 def __createElem(self, type, name=None, parent = None):
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diff changeset
160 """Create an element
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diff changeset
161 @param type: one of
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diff changeset
162 - empty: empty element (usefull to skip something in a layout, e.g. skip first element in a PAIRS layout)
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diff changeset
163 - text: text to be displayed in an multi-line area, e.g. instructions
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diff changeset
164 @param name: name of the element or None
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diff changeset
165 @param parent: parent element or None
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166 """
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diff changeset
167 elem = self.doc.createElement('elem')
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parents: 102
diff changeset
168 if name:
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diff changeset
169 elem.setAttribute('name', name)
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diff changeset
170 elem.setAttribute('type', type)
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diff changeset
171 if parent != None:
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diff changeset
172 parent.appendChild(elem)
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diff changeset
173 return elem
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174
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diff changeset
175 def changeLayout(self, layout):
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diff changeset
176 """Change the current layout"""
104
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diff changeset
177 self.currentLayout = self.__createLayout(layout, self.currentCategory if self.currentCategory else self.doc.documentElement)
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parents: 103
diff changeset
178 if layout == "tabs":
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parents: 103
diff changeset
179 self.parentTabsLayout = self.currentLayout
103
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diff changeset
180
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diff changeset
181
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diff changeset
182 def addEmpty(self, name=None):
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parents: 102
diff changeset
183 """Add a multi-lines text"""
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parents: 102
diff changeset
184 elem = self.__createElem('empty', name, self.currentLayout)
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parents: 102
diff changeset
185
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diff changeset
186 def addText(self, text, name=None):
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parents: 102
diff changeset
187 """Add a multi-lines text"""
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parents: 102
diff changeset
188 elem = self.__createElem('text', name, self.currentLayout)
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parents: 102
diff changeset
189 text = self.doc.createTextNode(text)
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parents: 102
diff changeset
190 elem.appendChild(text)
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parents: 102
diff changeset
191
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diff changeset
192 def addLabel(self, text, name=None):
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parents: 102
diff changeset
193 """Add a single line text, mainly useful as label before element"""
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parents: 102
diff changeset
194 elem = self.__createElem('label', name, self.currentLayout)
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parents: 102
diff changeset
195 elem.setAttribute('value', text)
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parents: 102
diff changeset
196
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diff changeset
197 def addString(self, name=None, value=None):
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parents: 102
diff changeset
198 """Add a string box"""
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parents: 102
diff changeset
199 elem = self.__createElem('string', name, self.currentLayout)
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parents: 102
diff changeset
200 if value:
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parents: 102
diff changeset
201 elem.setAttribute('value', value)
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parents: 102
diff changeset
202
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parents: 102
diff changeset
203 def addPassword(self, name=None, value=None):
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parents: 102
diff changeset
204 """Add a password box"""
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parents: 102
diff changeset
205 elem = self.__createElem('password', name, self.currentLayout)
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parents: 102
diff changeset
206 if value:
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parents: 102
diff changeset
207 elem.setAttribute('value', value)
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parents: 102
diff changeset
208
107
5ae370c71803 CS: message sending is now working
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diff changeset
209 def addTextBox(self, name=None, value=None):
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parents: 106
diff changeset
210 """Add a string box"""
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parents: 106
diff changeset
211 elem = self.__createElem('textbox', name, self.currentLayout)
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parents: 106
diff changeset
212 if value:
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diff changeset
213 elem.setAttribute('value', value)
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parents: 106
diff changeset
214
183
9ee4a1d0d7fb Added auto(dis)connect params + misc
Goffi <goffi@goffi.org>
parents: 160
diff changeset
215 def addBool(self, name=None, value="true"):
9ee4a1d0d7fb Added auto(dis)connect params + misc
Goffi <goffi@goffi.org>
parents: 160
diff changeset
216 """Add a string box"""
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Goffi <goffi@goffi.org>
parents: 160
diff changeset
217 assert value in ["true","false"]
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Goffi <goffi@goffi.org>
parents: 160
diff changeset
218 elem = self.__createElem('bool', name, self.currentLayout)
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Goffi <goffi@goffi.org>
parents: 160
diff changeset
219 elem.setAttribute('value', value)
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parents: 160
diff changeset
220
107
5ae370c71803 CS: message sending is now working
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parents: 106
diff changeset
221 def addList(self, options, name=None, value=None, style=set()):
103
6be927a465ed XMLUI refactoring, step 1
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parents: 102
diff changeset
222 """Add a list of choices"""
107
5ae370c71803 CS: message sending is now working
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parents: 106
diff changeset
223 styles = set(style)
103
6be927a465ed XMLUI refactoring, step 1
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parents: 102
diff changeset
224 assert (options)
107
5ae370c71803 CS: message sending is now working
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parents: 106
diff changeset
225 assert (styles.issubset(['multi']))
103
6be927a465ed XMLUI refactoring, step 1
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parents: 102
diff changeset
226 elem = self.__createElem('list', name, self.currentLayout)
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parents: 102
diff changeset
227 self.addOptions(options, elem)
6be927a465ed XMLUI refactoring, step 1
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parents: 102
diff changeset
228 if value:
6be927a465ed XMLUI refactoring, step 1
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parents: 102
diff changeset
229 elem.setAttribute('value', value)
107
5ae370c71803 CS: message sending is now working
Goffi <goffi@goffi.org>
parents: 106
diff changeset
230 for style in styles:
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parents: 106
diff changeset
231 elem.setAttribute(style, 'yes')
105
d2630fba8dfd params to XMLUI tools
Goffi <goffi@goffi.org>
parents: 104
diff changeset
232
107
5ae370c71803 CS: message sending is now working
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parents: 106
diff changeset
233 def addButton(self, callback_id, name, value, fields_back=[]):
105
d2630fba8dfd params to XMLUI tools
Goffi <goffi@goffi.org>
parents: 104
diff changeset
234 """Add a button
d2630fba8dfd params to XMLUI tools
Goffi <goffi@goffi.org>
parents: 104
diff changeset
235 @param callback: callback which will be called if button is pressed
106
138d82f64b6f plugin CS: friends parsing
Goffi <goffi@goffi.org>
parents: 105
diff changeset
236 @param name: name
107
5ae370c71803 CS: message sending is now working
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parents: 106
diff changeset
237 @param value: label of the button
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parents: 106
diff changeset
238 @fields_back: list of names of field to give back when pushing the button"""
105
d2630fba8dfd params to XMLUI tools
Goffi <goffi@goffi.org>
parents: 104
diff changeset
239 elem = self.__createElem('button', name, self.currentLayout)
106
138d82f64b6f plugin CS: friends parsing
Goffi <goffi@goffi.org>
parents: 105
diff changeset
240 elem.setAttribute('callback_id', callback_id)
107
5ae370c71803 CS: message sending is now working
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parents: 106
diff changeset
241 elem.setAttribute('value', value)
5ae370c71803 CS: message sending is now working
Goffi <goffi@goffi.org>
parents: 106
diff changeset
242 for field in fields_back:
5ae370c71803 CS: message sending is now working
Goffi <goffi@goffi.org>
parents: 106
diff changeset
243 fback_el = self.doc.createElement('field_back')
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Goffi <goffi@goffi.org>
parents: 106
diff changeset
244 fback_el.setAttribute('name', field)
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parents: 106
diff changeset
245 elem.appendChild(fback_el)
5ae370c71803 CS: message sending is now working
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parents: 106
diff changeset
246
105
d2630fba8dfd params to XMLUI tools
Goffi <goffi@goffi.org>
parents: 104
diff changeset
247
103
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parents: 102
diff changeset
248
146
7c00c4b0a5c2 xml_tools: removed unused content parameter in addElement
Goffi <goffi@goffi.org>
parents: 107
diff changeset
249 def addElement(self, type, name = None, value = None, options = None, callback_id = None):
103
6be927a465ed XMLUI refactoring, step 1
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parents: 102
diff changeset
250 """Convenience method to add element, the params correspond to the ones in addSomething methods"""
6be927a465ed XMLUI refactoring, step 1
Goffi <goffi@goffi.org>
parents: 102
diff changeset
251 if type == 'empty':
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Goffi <goffi@goffi.org>
parents: 102
diff changeset
252 self.addEmpty(name)
6be927a465ed XMLUI refactoring, step 1
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parents: 102
diff changeset
253 elif type == 'text':
146
7c00c4b0a5c2 xml_tools: removed unused content parameter in addElement
Goffi <goffi@goffi.org>
parents: 107
diff changeset
254 assert(value!=None)
7c00c4b0a5c2 xml_tools: removed unused content parameter in addElement
Goffi <goffi@goffi.org>
parents: 107
diff changeset
255 self.addText(value, name)
103
6be927a465ed XMLUI refactoring, step 1
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parents: 102
diff changeset
256 elif type == 'label':
6be927a465ed XMLUI refactoring, step 1
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parents: 102
diff changeset
257 assert(value)
146
7c00c4b0a5c2 xml_tools: removed unused content parameter in addElement
Goffi <goffi@goffi.org>
parents: 107
diff changeset
258 self.addLabel(value)
103
6be927a465ed XMLUI refactoring, step 1
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parents: 102
diff changeset
259 elif type == 'string':
6be927a465ed XMLUI refactoring, step 1
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parents: 102
diff changeset
260 self.addString(name, value)
6be927a465ed XMLUI refactoring, step 1
Goffi <goffi@goffi.org>
parents: 102
diff changeset
261 elif type == 'password':
6be927a465ed XMLUI refactoring, step 1
Goffi <goffi@goffi.org>
parents: 102
diff changeset
262 self.addPassword(name, value)
107
5ae370c71803 CS: message sending is now working
Goffi <goffi@goffi.org>
parents: 106
diff changeset
263 elif type == 'textbox':
5ae370c71803 CS: message sending is now working
Goffi <goffi@goffi.org>
parents: 106
diff changeset
264 self.addTextBox(name, value)
183
9ee4a1d0d7fb Added auto(dis)connect params + misc
Goffi <goffi@goffi.org>
parents: 160
diff changeset
265 elif type == 'bool':
9ee4a1d0d7fb Added auto(dis)connect params + misc
Goffi <goffi@goffi.org>
parents: 160
diff changeset
266 if not value:
9ee4a1d0d7fb Added auto(dis)connect params + misc
Goffi <goffi@goffi.org>
parents: 160
diff changeset
267 value = "true"
9ee4a1d0d7fb Added auto(dis)connect params + misc
Goffi <goffi@goffi.org>
parents: 160
diff changeset
268 self.addBool(name, value)
103
6be927a465ed XMLUI refactoring, step 1
Goffi <goffi@goffi.org>
parents: 102
diff changeset
269 elif type == 'list':
6be927a465ed XMLUI refactoring, step 1
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parents: 102
diff changeset
270 self.addList(options, name, value)
105
d2630fba8dfd params to XMLUI tools
Goffi <goffi@goffi.org>
parents: 104
diff changeset
271 elif type == 'button':
106
138d82f64b6f plugin CS: friends parsing
Goffi <goffi@goffi.org>
parents: 105
diff changeset
272 assert(callback_id and value)
138d82f64b6f plugin CS: friends parsing
Goffi <goffi@goffi.org>
parents: 105
diff changeset
273 self.addButton(callback_id, name, value)
103
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parents: 102
diff changeset
274
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parents: 102
diff changeset
275 def addOptions(self, options, parent):
6be927a465ed XMLUI refactoring, step 1
Goffi <goffi@goffi.org>
parents: 102
diff changeset
276 """Add options to a multi-values element (e.g. list)
6be927a465ed XMLUI refactoring, step 1
Goffi <goffi@goffi.org>
parents: 102
diff changeset
277 @param parent: multi-values element"""
6be927a465ed XMLUI refactoring, step 1
Goffi <goffi@goffi.org>
parents: 102
diff changeset
278 for option in options:
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parents: 102
diff changeset
279 opt = self.doc.createElement('option')
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parents: 102
diff changeset
280 opt.setAttribute('value', option)
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parents: 102
diff changeset
281 parent.appendChild(opt)
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parents: 102
diff changeset
282
183
9ee4a1d0d7fb Added auto(dis)connect params + misc
Goffi <goffi@goffi.org>
parents: 160
diff changeset
283 def addCategory(self, name, layout, label=None):
104
5458ac1380cc XMLUI: added tabs layout
Goffi <goffi@goffi.org>
parents: 103
diff changeset
284 """Add a category to current layout (must be a tabs layout)"""
5458ac1380cc XMLUI: added tabs layout
Goffi <goffi@goffi.org>
parents: 103
diff changeset
285 assert(layout != 'tabs')
5458ac1380cc XMLUI: added tabs layout
Goffi <goffi@goffi.org>
parents: 103
diff changeset
286 if not self.parentTabsLayout:
5458ac1380cc XMLUI: added tabs layout
Goffi <goffi@goffi.org>
parents: 103
diff changeset
287 error(_("Trying to add a category without parent tabs layout"))
5458ac1380cc XMLUI: added tabs layout
Goffi <goffi@goffi.org>
parents: 103
diff changeset
288 assert(False)
5458ac1380cc XMLUI: added tabs layout
Goffi <goffi@goffi.org>
parents: 103
diff changeset
289 if self.parentTabsLayout.getAttribute('type') != 'tabs':
5458ac1380cc XMLUI: added tabs layout
Goffi <goffi@goffi.org>
parents: 103
diff changeset
290 error(_("parent layout of a category is not tabs"))
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291 assert(False)
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292
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293 if not label:
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294 label = name
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295 self.currentCategory = cat = self.doc.createElement('category')
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296 cat.setAttribute('name', name)
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297 cat.setAttribute('label', label)
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298 self.changeLayout(layout)
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299 self.parentTabsLayout.appendChild(cat)
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300
103
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301 def toXml(self):
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302 """return the XML representation of the panel"""
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303 return self.doc.toxml()
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304
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305
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306
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307 class ElementParser(object):
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308 """callable class to parse XML string into Element
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309 Found at http://stackoverflow.com/questions/2093400/how-to-create-twisted-words-xish-domish-element-entirely-from-raw-xml/2095942#2095942
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310 (c) Karl Anderson"""
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311
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312 def __call__(self, s):
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313 self.result = None
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314 def onStart(el):
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315 self.result = el
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316 def onEnd():
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317 pass
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318 def onElement(el):
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319 self.result.addChild(el)
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320
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321 parser = domish.elementStream()
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322 parser.DocumentStartEvent = onStart
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323 parser.ElementEvent = onElement
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324 parser.DocumentEndEvent = onEnd
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325 tmp = domish.Element(("", "s"))
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326 tmp.addRawXml(s.replace('\n','').replace('\t',''))
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327 parser.parse(tmp.toXml().encode('utf-8'))
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328 return self.result.firstChildElement()