1 files changed, 167 insertions, 0 deletions
diff --git a/sleekxmpp/plugins/xep_0004/stanza/field.py b/sleekxmpp/plugins/xep_0004/stanza/field.py
new file mode 100644
index 00000000..9bb92311
--- /dev/null
+++ b/sleekxmpp/plugins/xep_0004/stanza/field.py
@@ -0,0 +1,167 @@
+"""
+    SleekXMPP: The Sleek XMPP Library
+    Copyright (C) 2011 Nathanael C. Fritz, Lance J.T. Stout
+    This file is part of SleekXMPP.
+
+    See the file LICENSE for copying permission.
+"""
+
+from sleekxmpp.xmlstream import ElementBase, ET
+
+
+class FormField(ElementBase):
+    namespace = 'jabber:x:data'
+    name = 'field'
+    plugin_attrib = 'field'
+    interfaces = set(('answer', 'desc', 'required', 'value',
+                      'options', 'label', 'type', 'var'))
+    sub_interfaces = set(('desc',))
+    plugin_tag_map = {}
+    plugin_attrib_map = {}
+
+    field_types = set(('boolean', 'fixed', 'hidden', 'jid-multi',
+                       'jid-single', 'list-multi', 'list-single',
+                       'text-multi', 'text-private', 'text-single'))
+
+    true_values = set((True, '1', 'true'))
+    option_types = set(('list-multi', 'list-single'))
+    multi_line_types = set(('hidden', 'text-multi'))
+    multi_value_types = set(('hidden', 'jid-multi',
+                             'list-multi', 'text-multi'))
+
+    def add_option(self, label='', value=''):
+        if self['type'] in self.option_types:
+            opt = FieldOption(parent=self)
+            opt['label'] = label
+            opt['value'] = value
+        else:
+            raise ValueError("Cannot add options to " + \
+                             "a %s field." % self['type'])
+
+    def del_options(self):
+        optsXML = self.xml.findall('{%s}option' % self.namespace)
+        for optXML in optsXML:
+            self.xml.remove(optXML)
+
+    def del_required(self):
+        reqXML = self.xml.find('{%s}required' % self.namespace)
+        if reqXML is not None:
+            self.xml.remove(reqXML)
+
+    def del_value(self):
+        valsXML = self.xml.findall('{%s}value' % self.namespace)
+        for valXML in valsXML:
+            self.xml.remove(valXML)
+
+    def get_answer(self):
+        return self['value']
+
+    def get_options(self):
+        options = []
+        optsXML = self.xml.findall('{%s}option' % self.namespace)
+        for optXML in optsXML:
+            opt = FieldOption(xml=optXML)
+            options.append({'label': opt['label'], 'value': opt['value']})
+        return options
+
+    def get_required(self):
+        reqXML = self.xml.find('{%s}required' % self.namespace)
+        return reqXML is not None
+
+    def get_value(self):
+        valsXML = self.xml.findall('{%s}value' % self.namespace)
+        if len(valsXML) == 0:
+            return None
+        elif self['type'] == 'boolean':
+            return valsXML[0].text in self.true_values
+        elif self['type'] in self.multi_value_types:
+            values = []
+            for valXML in valsXML:
+                if valXML.text is None:
+                    valXML.text = ''
+                values.append(valXML.text)
+            if self['type'] == 'text-multi':
+                values = "\n".join(values)
+            return values
+        else:
+            return valsXML[0].text
+
+    def set_answer(self, answer):
+        self['value'] = answer
+
+    def set_false(self):
+        self['value'] = False
+
+    def set_options(self, options):
+        for value in options:
+            if isinstance(value, dict):
+                self.add_option(**value)
+            else:
+                self.add_option(value=value)
+
+    def set_required(self, required):
+        exists = self['required']
+        if not exists and required:
+            self.xml.append(ET.Element('{%s}required' % self.namespace))
+        elif exists and not required:
+            del self['required']
+
+    def set_true(self):
+        self['value'] = True
+
+    def set_value(self, value):
+        del self['value']
+        valXMLName = '{%s}value' % self.namespace
+
+        if self['type'] == 'boolean':
+            if value in self.true_values:
+                valXML = ET.Element(valXMLName)
+                valXML.text = '1'
+                self.xml.append(valXML)
+            else:
+                valXML = ET.Element(valXMLName)
+                valXML.text = '0'
+                self.xml.append(valXML)
+        elif self['type'] in self.multi_value_types or not self['type']:
+            if not isinstance(value, list):
+                if self['type'] in self.multi_line_types:
+                    value = value.split('\n')
+                else:
+                    value = [value]
+            for val in value:
+                if self['type'] in ['', None] and val in self.true_values:
+                    val = '1'
+                valXML = ET.Element(valXMLName)
+                valXML.text = val
+                self.xml.append(valXML)
+        else:
+            if isinstance(value, list):
+                raise ValueError("Cannot add multiple values " + \
+                                 "to a %s field." % self['type'])
+            valXML = ET.Element(valXMLName)
+            valXML.text = value
+            self.xml.append(valXML)
+
+
+class FieldOption(ElementBase):
+    namespace = 'jabber:x:data'
+    name = 'option'
+    plugin_attrib = 'option'
+    interfaces = set(('label', 'value'))
+    sub_interfaces = set(('value',))
+
+
+FormField.addOption = FormField.add_option
+FormField.delOptions = FormField.del_options
+FormField.delRequired = FormField.del_required
+FormField.delValue = FormField.del_value
+FormField.getAnswer = FormField.get_answer
+FormField.getOptions = FormField.get_options
+FormField.getRequired = FormField.get_required
+FormField.getValue = FormField.get_value
+FormField.setAnswer = FormField.set_answer
+FormField.setFalse = FormField.set_false
+FormField.setOptions = FormField.set_options
+FormField.setRequired = FormField.set_required
+FormField.setTrue = FormField.set_true
+FormField.setValue = FormField.set_value