Source code for lib_openmolar.admin.qt4.classes.known_server_widget
#! /usr/bin/env python
# -*- coding: utf-8 -*-
###############################################################################
## ##
## Copyright 2010, Neil Wallace <rowinggolfer@googlemail.com> ##
## ##
## This program 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, either version 3 of the License, or ##
## (at your option) any later version. ##
## ##
## This program 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 this program. If not, see <http://www.gnu.org/licenses/>. ##
## ##
###############################################################################
from PyQt4 import QtCore, QtGui
from lib_openmolar.admin.qt4.classes.browser import Browser
[docs]class KnownServerWidget(QtGui.QFrame):
'''
loads the 230 servers @ startup.
shows status of each.
(most users will never use more than one 230 server)
'''
_servers = []
shortcut_clicked = QtCore.pyqtSignal(object)
'''
emits a signal containing a tuple
(proxyclient, shortcut)
'''
server_changed = QtCore.pyqtSignal(object)
'''
emits a signal when the server number changes
'''
[docs] def __init__(self, parent=None):
QtGui.QFrame.__init__(self, parent)
self.listWidget = QtGui.QListWidget()
self.browser = Browser()
splitter = QtGui.QSplitter(self)
splitter.addWidget(self.listWidget)
splitter.addWidget(self.browser)
splitter.setSizes([100,300])
layout = QtGui.QVBoxLayout(self)
layout.addWidget(splitter)
self.listWidget.currentRowChanged.connect(self._server_chosen)
self.browser.shortcut_clicked.connect(self.browser_shortcut_clicked)
[docs] def add_proxy_client(self, proxy_client):
'''
add a :doc:`ProxyClient`
'''
self._servers.append(proxy_client)
if proxy_client.is_connected:
icon = QtGui.QIcon(":icons/openmolar-server.png")
else:
icon = QtGui.QIcon(":icons/database.png")
item = QtGui.QListWidgetItem(icon, proxy_client.brief_name,
self.listWidget)
item.setToolTip(proxy_client.name)
if self.listWidget.currentItem() is None:
self.listWidget.setCurrentRow(0)
[docs] def set_html(self, html):
'''
update the html on the embedded browser
'''
self.browser.setHtml(html)
def _server_chosen(self, row):
'''
private function called by a gui interaction
'''
try:
pm = self._servers[row]
self.set_html(pm.html)
except IndexError:
self.browser.setHtml("<h1>No proxy server chosen</h1>")
self.server_changed.emit(row)
@property
[docs] def current_client(self):
'''
the active :doc:`ProxyClient`
'''
return self._servers[self.listWidget.currentRow()]
[docs] def browser_shortcut_clicked(self, shortcut):
'''
pass on the signal from the browser, adding information
'''
self.shortcut_clicked.emit(shortcut)
def _test():
class duck_client(object):
def __init__(self, i):
self.brief_name = "item %d"% i
self.name = "test tool tip for client %d"% i
self.html = "<h1>Client %d Works!</h1>"% i
self.is_connected = False
import gettext
gettext.install("")
app = QtGui.QApplication([])
ksw = KnownServerWidget()
ksw.add_proxy_client(duck_client(1))
ksw.add_proxy_client(duck_client(2))
mw = QtGui.QMainWindow()
mw.setCentralWidget(ksw)
mw.show()
app.exec_()
if __name__ == "__main__":
_test()
