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Python Open Source » Development » pyDC 
pyDC » pydc » HubViewer.py
# This file is part of pyDC software
# Copyright 2002-2003 Anakim Border <aborder@users.sourceforge.net>
#
# pyDC is released under the terms of GPL licence.

from EventGenerator import *
from JobViewer import *
from JobViewerInfo import *
from Util import *
from wxPython.wx import *
import time

from DCHub import *
from DCHubEventListener import *
from DCUser import *
import DCWorker

class HubViewer(wxPanel, EventGenerator, JobViewer, DCHubEventListener):
  def __init__(self, parent, id, info):
    wxPanel.__init__(self, parent, id)
    EventGenerator.__init__(self)
    JobViewer.__init__(self, info)

    self.sortAlgos = [ None,
                       (DCUser.isOp, icmp),
                       (self.getNick, cmp),
                       (DCUser.getDescription, cmp),
                       (DCUser.getEmail, cmp),
                       (DCUser.getConnection, icmp),
                       (DCUser.getShare, icmp),

                       (DCUser.getShare, cmp),
                       (DCUser.getConnection, cmp),
                       (DCUser.getEmail, icmp),
                       (DCUser.getDescription, icmp),
                       (self.getNick, icmp),
                       (DCUser.isOp, cmp) ]
    self.users = []
    self.allowUpdates = 0
    self.updateTime = 0
    self.updates = []
    self.menuId = -1

    self.notebook = wxNotebook(self, -1)

    chatPanel = wxPanel(self.notebook, -1)
    self.text = wxTextCtrl(chatPanel, -1, style = wxTE_MULTILINE | wxTE_RICH)
    self.msg = wxTextCtrl(chatPanel, 1, style = wxTE_PROCESS_ENTER)

    chLayout = wxBoxSizer(wxHORIZONTAL)
    chLayout.Add(self.msg, 1, wxEXPAND)

    cvLayout = wxBoxSizer(wxVERTICAL)
    cvLayout.Add(self.text, 1, wxEXPAND)
    cvLayout.Add(chLayout, 0, wxEXPAND | wxBOTTOM | wxTOP, 5)
    chatPanel.SetSizer(cvLayout)

    self.notebook.AddPage(chatPanel, 'Chat')

    usersPanel = wxPanel(self.notebook, -1)
    self.list = wxListCtrl(usersPanel, 2, style = wxLC_REPORT | wxLC_VRULES | wxLC_SINGLE_SEL)
    self.list.InsertColumn(0, 'OP')
    self.list.InsertColumn(1, 'Nick')
    self.list.InsertColumn(2, 'Description')
    self.list.InsertColumn(3, 'Email')
    self.list.InsertColumn(4, 'Connection')
    self.list.InsertColumn(5, 'Share', wxLIST_FORMAT_RIGHT)
    self.list.SetColumnWidth(0, 20)
    self.list.SetColumnWidth(4, 20)

    uvLayout = wxBoxSizer(wxVERTICAL)
    uvLayout.Add(self.list, 1, wxEXPAND)
    usersPanel.SetSizer(uvLayout)

    self.notebook.AddPage(usersPanel, 'Users')

    dismiss = wxButton(self, 3, 'Dismiss')
    disconnect = wxButton(self, 4, 'Disconnect')
    
    bhLayout = wxBoxSizer(wxHORIZONTAL)
    bhLayout.Add(dismiss, 0, wxRIGHT, 10)
    bhLayout.Add(disconnect)
    
    vLayout = wxBoxSizer(wxVERTICAL)
    vLayout.Add(self.notebook, 1, wxEXPAND)
    vLayout.Add(bhLayout, 0, wxALIGN_CENTER | wxBOTTOM | wxTOP, 5)

    self.SetSizer(vLayout)
    self.Layout()

    EVT_TEXT_ENTER(self, 1, self.onMsg)
    EVT_LIST_COL_CLICK(self, 2, self.setSortAlgo)
    EVT_LIST_ITEM_RIGHT_CLICK(self, 2, self.onUserOptions)
    EVT_LIST_ITEM_ACTIVATED(self, 2, self.onUserSelected)
    EVT_MENU(self.list, 10000, self.onPopupSelection)
    EVT_BUTTON(self, 3, self.onDismiss)
    EVT_BUTTON(self, 4, self.onDisconnect)
    self.Connect(1, 1, wxEVT_NULL, self.updateInfo)
    self.Connect(2, 2, wxEVT_NULL, self.addUser)
    self.Connect(3, 3, wxEVT_NULL, self.removeUser)
    self.Connect(4, 4, wxEVT_NULL, self.updateUser)
    self.Connect(5, 5, wxEVT_NULL, self.addLogRow)
    
    self.notebook.SetSelection(self.info.page)

    self.text.SetEditable(0)
    rows = self.info.getJob().getLogRows()
    if len(rows):
      self.text.Freeze()
      for i in rows: self.appendText(i)
      self.text.Thaw()
      if wxPlatform == '__WXMSW__':
        self.text.ScrollPages(9999)
      else:
        lastPos = max(self.text.GetLastPosition() - 1, 0)
        self.text.ShowPosition(lastPos)

    if self.info.msgText != None:
      self.msg.SetValue(self.info.msgText)

    self.sortAlgo = self.info.sortAlgo
    for col in range(len(self.info.columnWidth)):
      self.list.SetColumnWidth(col, self.info.columnWidth[col])

    self.users.append(DCWorker.getWorker().getSettings().user)
    for user in self.info.getJob().getUsers():
      self.users.append(user)
    
    if len(self.users) > 1:
      self.allowUpdates = 1

      access, comp = self.sortAlgos[self.sortAlgo]
      self.users = fullSort(self.users, access, comp)
      self.buildList()

  def Destroy(self):
    self.info.page = self.notebook.GetSelection()
    if self.info.page == -1: self.info.page = 0

    self.info.msgText = self.msg.GetValue()
    self.info.sortAlgo = self.sortAlgo

    self.info.columnWidth = []
    for col in range(self.list.GetColumnCount()):
      self.info.columnWidth.append(self.list.GetColumnWidth(col))

    JobViewer.__del__(self)
    return wxPanel.Destroy(self)

  def getTitle(self):
    return self.info.getJob().getName()

  def onMsg(self, event):
    text = self.msg.GetValue()
    if len(text) == 0: return

    if text[0] == '/':
      if text[1:] == 'away':
        hub = self.info.getJob()
        hub.setAway(not (hub.userStatus & DCHub.USER_AWAY_FLAG))
      elif text[1:] == 'info':
        self.info.getJob().updateInfo()
      elif text[1:] == 'refresh':
        DCWorker.getWorker().refreshLocalList()
      else:
        self.addLogRow((DCHub.LOG_ERROR, 'Unknown command \'%s\'.' % text[1:]))

    elif text[0] == '<':
      try:
        pos = text.find('>')
        if pos == -1:
          dialog = wxMessageDialog(self, "Invalid private chat text.", "Error", wxICON_ERROR)
          dialog.ShowModal()
          raise 0

        nick = text[1:pos]
        if self.info.getJob().getUserByNick(nick) == None:
          dialog = wxMessageDialog(self, "No user with that nick.", "Error", wxICON_ERROR)
          dialog.ShowModal()
          raise 0

        text = text[pos+1:]
      except:
        text = None

      self.msg.SetValue('')
      if text: getMainWnd().getChat(nick, self.info.getJob()).sendMsg(text)
      return

    else:
      self.info.getJob().sendMsg(text)

    self.msg.SetValue('')

  def onUserSelected(self, event):
    nick = self.users[event.GetIndex()].getNick()
    getMainWnd().getChat(nick, self.info.getJob())

  def onUserOptions(self, event):
    pnt = event.GetPoint()
    nick = self.users[event.GetIndex()].getNick()
    self.list.SetItemState(event.GetIndex(), wxLIST_STATE_SELECTED, wxLIST_STATE_SELECTED)

    menu = wxMenu()
    menu.Append(10000, 'Chat')
    self.list.PopupMenu(menu, pnt)

    if self.menuId == 10000:
      getMainWnd().getChat(nick, self.info.getJob())

    self.menuId = -1

  def onPopupSelection(self, event):
    self.menuId = event.GetId()

  def onDismiss(self, event):
    self.lock.acquire()
    for listener in self.listeners:
      listener.onViewerClosed(self ,0)
    self.lock.release()
    
    self.Destroy()

  def onDisconnect(self, event):
    self.lock.acquire()
    self.info.getJob().stop()
    for listener in self.listeners:
      listener.onViewerClosed(self, 1)
    self.lock.release()
    
    wxYield()    #prevents segfault
    self.Destroy()
    
  def setSortAlgo(self, event):
    col = event.GetColumn() + 1
    if self.sortAlgo == col:
      self.sortAlgo = -col
    else:
      self.sortAlgo = col

    access, comp = self.sortAlgos[self.sortAlgo]
    self.users = fullSort(self.users, access, comp)

    pos = 0
    for user in self.users:
      self.list.SetStringItem(pos, 0, str(user.op))
      self.list.SetStringItem(pos, 1, user.nick)
      self.update(user, pos)
      pos += 1

  def onHubInfo(self, hub):
    if self.processEvents:
      wxPostEvent(self, wxPyEvent(1))

  def onNewUser(self, hub, user):
    if self.processEvents:
      wxPostEvent(self, guiEvent(2, user))

  def onUserDisconnection(self, hub, user):
    if self.processEvents:
      wxPostEvent(self, guiEvent(3, user))

  def onUserInfo(self, hub, user):
    if self.processEvents:
      wxPostEvent(self, guiEvent(4, user))

  def onLogUpdate(self, hub, row):
    if self.processEvents:
      wxPostEvent(self, guiEvent(5, row))

  def buildList(self):
    pos = 0
    for user in self.users:
      self.list.InsertStringItem(pos, str(user.op))
      self.list.SetStringItem(pos, 1, user.nick)
      self.update(user, pos)
      pos += 1
      
  def updateInfo(self, event):
    title = self.getTitle()
    self.lock.acquire()
    for listener in self.listeners:
      listener.onViewerTitle(self, title)
          self.lock.release()
    
  def addUser(self, event):
    user = event.data
    self.users.append(user)
    if not self.allowUpdates: return
    
    access, comp = self.sortAlgos[self.sortAlgo]
    oldPos, pos, self.users = partialSort(self.users, access, comp, user)

    self.list.InsertStringItem(pos, str(user.op))
    self.list.SetStringItem(pos, 1, user.nick)
    self.update(user, pos)

  def removeUser(self, event):
    pos = self.users.index(event.data)

    try:
      del self.users[pos]
      self.updates.remove(event.data)
    except ValueError: pass

    if not self.allowUpdates: return
    
    self.list.DeleteItem(pos)
    
  def updateUser(self, event):
    if not self.allowUpdates:
      self.allowUpdates = 1

      access, comp = self.sortAlgos[self.sortAlgo]
      self.users = fullSort(self.users, access, comp)
      self.buildList()
      return

    user = event.data
    self.updates.append(user)

    curtime = time.time()
    if curtime - self.updateTime < 0.5: return

    updates = self.updates[:40]
    self.updates = self.updates[40:]
    self.updateTime = curtime

    oldPos = []
    for user in updates:
      try: oldPos.append(self.users.index(user))
      except ValueError: oldPos.append(-1)

    access, comp = self.sortAlgos[self.sortAlgo]
    self.users = fullSort(self.users, access, comp)

    try:
      while 1:
        curUser = updates.pop()
        bpos = oldPos.pop()
        if bpos == -1: continue
        apos = self.users.index(curUser)

        if apos == bpos:
          self.update(curUser, apos)
        else:
          self.list.DeleteItem(bpos)

          self.list.InsertStringItem(apos, str(curUser.op))
          self.list.SetStringItem(apos, 1, curUser.nick)
          self.update(curUser, apos)
    except IndexError: pass

  def addLogRow(self, event):
    self.text.Freeze()
    if self.text.GetNumberOfLines() == DCHub.MAX_LOG_ROWS:
      self.text.Remove(0, self.text.GetLineLength(0))
    self.appendText(event.data)
    self.text.Thaw()

    lastPos = max(self.text.GetLastPosition() - 1, 0)
    self.text.ShowPosition(lastPos);

  #=================#
  # Private section #
  #=================#

  def getNick(self, user):
    return user.getNick().lower()

  def appendText(self, row):
    msg = row[1].replace('\r', '')

    if row[0] == DCHub.LOG_STATUS:
      self.text.SetDefaultStyle(wxTextAttr(wxColor(0,128,128)))
      self.text.AppendText(msg)
      self.text.SetDefaultStyle(wxTextAttr('BLACK'))

    elif row[0] == DCHub.LOG_CHAT:
      self.text.AppendText(msg)

    #elif row[0] == DCHub.LOG_PRIVCHAT:
    #  self.text.AppendText('Priv: ' + msg)

    elif row[0] == DCHub.LOG_ERROR:
      self.text.SetDefaultStyle(wxTextAttr('RED'))
      self.text.AppendText(msg)
      self.text.SetDefaultStyle(wxTextAttr('BLACK'))

  def update(self, user, pos):
    if user.description == None:
      self.list.SetStringItem(pos, 2, '')
    else:
      self.list.SetStringItem(pos, 2, user.description)

    if user.email == None:
      self.list.SetStringItem(pos, 3, '')
    else:
      self.list.SetStringItem(pos, 3, user.email)

    self.list.SetStringItem(pos, 4, str(user.connection))

    if user.share == -1:
      self.list.SetStringItem(pos, 5, '')
    else:
      self.list.SetStringItem(pos, 5, formatSize(user.share))

class HubViewerInfo(JobViewerInfo):
  def __init__(self, hub):
    JobViewerInfo.__init__(self, hub)
    
    self.page = 0
    self.msgText = None
    self.sortAlgo = 2
    self.columnWidth = []

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