First pubsub browser iteration: can list root nodes, create an item and receive items

3 files changed, 216 insertions, 0 deletions

diff --git a/src/connection.py b/src/connection.py
index 8bef6eb2..d021f44b 100644
--- a/src/connection.py
+++ b/src/connection.py
@@ -56,6 +56,7 @@ class Connection(sleekxmpp.ClientXMPP):
         self.register_plugin('xep_0030')
         self.register_plugin('xep_0004')
         self.register_plugin('xep_0045')
+        self.register_plugin('xep_0060')
         self.register_plugin('xep_0071')
         self.register_plugin('xep_0085')
         if config.get('send_poezio_info', 'true') == 'true':
diff --git a/src/core.py b/src/core.py
index 3f24fb1b..6db97919 100644
--- a/src/core.py
+++ b/src/core.py
@@ -40,6 +40,7 @@ import multiuserchat as muc
 import tabs
 
 import xhtml
+import pubsub
 import windows
 import connection
 import timed_events
@@ -129,6 +130,7 @@ class Core(object):
             'version': (self.command_version, _('Usage: /version <jid>\nVersion: get the software version of the given JID (usually its XMPP client and Operating System)'), None),
             'reconnect': (self.command_reconnect, _('Usage: /connect\nConnect: disconnect from the remote server if you are currently connected and then connect to it again'), None),
             'server_cycle': (self.command_server_cycle, _('Usage: /server_cycle [domain] [message]\nServer Cycle: disconnect and reconnects in all the rooms in domain.'), None),
+            'pubsub': (self.command_pubsub, _('Usage: /pubsub <domain>\nPubsub: Open a pubsub browser on the given domain'), None),
             }
 
         self.key_func = {
@@ -1369,6 +1371,22 @@ class Core(object):
                 tab.get_room().joined = False
                 self.command_join(tab.get_name())
 
+    def command_pubsub(self, args):
+        """
+        Opens a pubsub browser on the given domain
+        """
+        args = common.shell_split(args)
+        if len(args) != 1:
+            return self.command_help('pubsub')
+        domain = args[0]
+        tab = self.get_tab_by_name('%s@@pubsubbrowser' % (domain,), pubsub.PubsubBrowserTab)
+        if tab:
+            self.command_win('%s' % tab.nb)
+        else:
+            new_tab = pubsub.PubsubBrowserTab(domain)
+            self.add_tab(new_tab, True)
+        self.refresh_window()
+
     def go_to_room_number(self):
         """
         Read 2 more chars and go to the tab
diff --git a/src/pubsub.py b/src/pubsub.py
new file mode 100644
index 00000000..73c03bcc
--- /dev/null
+++ b/src/pubsub.py
@@ -0,0 +1,197 @@
+# Copyright 2010-2011 Le Coz Florent <louiz@louiz.org>
+#
+# This file is part of Poezio.
+#
+# Poezio 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, version 3 of the License.
+#
+# Poezio 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 Poezio.  If not, see <http://www.gnu.org/licenses/>.
+
+import logging
+log = logging.getLogger(__name__)
+
+import curses
+
+import windows
+import tabs
+
+from sleekxmpp.xmlstream import ElementBase, ET
+
+class PubsubNode(object):
+    node_type = None            # unknown yet
+    def __init__(self, name):
+        self.items = []
+        self.name = name
+
+
+class LeafNode(PubsubNode):
+    node_type = "leaf"
+    def __init__(self, name):
+        PubsubNode.__init__(self, name)
+
+
+class CollectionNode(PubsubNode):
+    node_type = "collection"
+    def __init__(self, name):
+        PubsubNode.__init__(self, name)
+        self.subnodes = []
+
+
+class PubsubItem(object):
+    def __init__(self, idd, content):
+        self.idd = idd
+        self.content = content
+
+
+class PubsubBrowserTab(tabs.Tab):
+    """
+    A tab containing a pubsub browser letting the user
+    list nodes and items, view, add and delete items, etc
+    """
+    def __init__(self, server):
+        """
+        Server is the name of the pubsub server, for example:
+        pubsub.example.com
+        All action done in this tab will be made on that server.
+        """
+        tabs.Tab.__init__(self)
+        self.current_node = None # the subnode we are listing. None means the root
+        self.server = server
+        self.nodes = []         # the lower level of nodes
+
+        self.tab_win = windows.GlobalInfoBar()
+        self.upper_message = windows.Topic()
+        self.upper_message.set_message('Pubsub server: %s' % (self.server,))
+
+        # Node List View
+        node_columns = ('node', 'name',)
+        self.node_list_header = windows.ColumnHeaderWin(node_columns)
+        self.node_listview = windows.ListWin(node_columns)
+
+        # Item List View
+        item_columns = ('name',)
+        self.item_list_header = windows.ColumnHeaderWin(item_columns)
+        self.item_listview = windows.ListWin(item_columns)
+
+        self.default_help_message = windows.HelpText("“c”: create a node.")
+        self.input = self.default_help_message
+
+        self.key_func['c'] = self.command_create_node
+        self.key_func["KEY_DOWN"] = self.node_listview.move_cursor_down
+        self.key_func["KEY_UP"] = self.node_listview.move_cursor_up
+        self.resize()
+
+        self.get_nodes()
+
+    def resize(self):
+        self.upper_message.resize(1, self.width, 0, 0)
+        self.tab_win.resize(1, self.width, self.height-2, 0)
+
+        column_size = {'node': self.width//4,
+                       'name': self.width//4,}
+        self.node_list_header.resize_columns(column_size)
+        self.node_list_header.resize(1, self.width//2, 1, 0)
+        self.node_listview.resize_columns(column_size)
+        self.node_listview.resize(self.height//2-2, self.width//2, 2, 0)
+
+        column_size = {'name': self.width//2,}
+        self.item_list_header.resize_columns(column_size)
+        self.item_list_header.resize(self.height//2+1, self.width//2, self.height//2, 0)
+        self.item_listview.resize_columns(column_size)
+        self.item_listview.resize(self.height//2-4, self.width//2, self.height//2+3, 0)
+
+        self.input.resize(1, self.width, self.height-1, 0)
+
+    def refresh(self):
+        if self.need_resize:
+            self.resize()
+        log.debug('  TAB   Refresh: %s'%self.__class__.__name__)
+        self.upper_message.refresh()
+        self.node_list_header.refresh()
+        self.node_listview.refresh()
+        self.item_list_header.refresh()
+        self.item_listview.refresh()
+        self.tab_win.refresh()
+        self.input.refresh()
+
+    def get_name(self):
+        return '%s@@pubsubbrowser' % (self.server,)
+
+    def on_input(self, key):
+        res = self.input.do_command(key)
+        if res:
+            return True
+        if key in self.key_func:
+            return self.key_func[key]()
+
+    def get_items(self, node):
+        """
+        Get all items in the given node
+        """
+        items = self.core.xmpp.plugin['xep_0060'].get_items(self.server, node.name)
+        item_list = []
+        if items:
+            for it in items:
+                item_list.append(PubsubItem(it.attrib['id'], ET.tostring(it)))
+            node.items = item_list
+        log.debug('Item on node %s: %s' % (node.name, item_list))
+
+    def add_nodes(self, node_list, parent=None):
+        """
+        Add Node objects to the list of the parent.
+        If parent is None, they are added to the root list.
+        If the current selected node is parent, we add
+        them directly to the node_listview
+        """
+        log.debug('Adding nodes to %s: %s' % (node_list, parent,))
+        if not parent:
+            list_to_append = self.nodes
+        else:
+            list_to_append = parent.nodes
+        for node in node_list:
+            new_node = LeafNode(node['node'])
+            list_to_append.append(new_node)
+            self.get_items(new_node)
+        self.node_listview.add_lines(node_list)
+
+    def get_nodes(self, node=None):
+        """
+        Get all subnodes of the given node. If no node is given, get
+        the root nodes
+        """
+        nodes = self.core.xmpp.plugin['xep_0060'].get_nodes(self.server)
+        lines = [{'name': nodes[node] or '',
+                  'node': node} for node in nodes.keys()]
+        self.add_nodes(lines)
+
+    def create_node(self, node_name):
+        if node_name:
+            res = self.core.xmpp.plugin['xep_0060'].create_node(self.server, node_name)
+            if res:
+                self.node_listview.add_lines([{'name': '', 'node': node_name}])
+        self.reset_help_message()
+        return True
+
+    def reset_help_message(self, txt=None):
+        """
+        Just reset the help message when a command ends
+        """
+        curses.curs_set(0)
+        self.input = self.default_help_message
+        return True
+
+    def command_create_node(self):
+        """
+        Prompt for a node name and create it on Enter key
+        """
+        curses.curs_set(1)
+        self.input = windows.CommandInput("[Create node]", self.reset_help_message, self.create_node, None)
+        self.input.resize(1, self.width, self.height-1, 0)
+        return True