def __init__(self, parent=None):
'''
Constructor
@param parent: Not needed yet
'''
self.__statusMsg = []
# create gui
if parent != None:
self.ui = Ui_frmMain()
self.showInterface()
def __init__(self, parent=None):
'''
Constructor
@param parent: Not needed yet
'''
self.__statusMsg = []
# create gui
if parent != None:
self.ui = Ui_frmMain()
self.showInterface()
class GuiLoader(QMainWindow):
'''
Class for loading gui
'''
msgTypes = {'INFO': 0, 'ERROR': 1, 'WARNING': 2}
dialogTypes = {'FileOpen': 0, 'FileSave': 1}
dialogOptionsDef = {
'type': dialogTypes['FileOpen'],
'filetypes': 'JS Config Files (*.JS *.js)',
'title': 'Open File',
'path': os.getcwd()
}
ui = None
eDefinitions = {'status': ['lblStatus']}
__statusTimer = QTimer()
__statusMsg = []
def __init__(self, parent=None):
'''
Constructor
@param parent: Not needed yet
'''
self.__statusMsg = []
# create gui
if parent != None:
self.ui = Ui_frmMain()
self.showInterface()
def showInterface(self, parent=None):
'''
Displays athe graphical interface.
@param parent: Not needed yet
'''
# create gui
super(GuiLoader, self).__init__()
widget = QWidget(self)
self.ui.setupUi(widget)
self.setCentralWidget(widget)
# start status timer
self.__statusTimer = QTimer()
self.__statusTimer.timeout.connect(self.__status)
self.__statusTimer.start(100)
def callFunction(self, obj, function, args=[]):
'''
Calls a function of an ui object
@param obj: Name of the object
@param function: Name of the function to call
@param args: Array of arguments to pass to the function (optional)
@return: returned value of the called function
'''
# generate function call
cmd = "self.ui." + str(obj) + "." + str(function) + "("
# add arguments to function call
for arg in args:
# check if value is a string
if type(arg) == str:
arg = "'" + arg + "'"
cmd += str(arg) + ","
# remove last comma
if cmd[len(cmd) - 1] == ",":
cmd = cmd[0:len(cmd) - 1]
cmd += ")"
# call fucntion and return returned value
try:
return eval(cmd)
except:
print "error by evaluating command:\n" + cmd
return None
def getObj(self, obj):
'''
Returns a pyqt object
@param obj: Name of the object
@return: PyQT Object or None if not found
'''
cmd = "self.ui." + str(obj)
return eval(cmd)
def connect(self, obj=None, event='', callback=None):
'''
Connects a event of an object to a callback function
@param obj: Name of the object
@param event: Name of the event
@param callback: Function to call on event
'''
obj = 'self.ui.' + str(obj)
try:
obj = eval(obj)
QObject.connect(obj, SIGNAL(str(event)), callback)
except:
print "ERROR: Could not connect object " + str(obj)
def disconnect(self, obj=None, event='', callback=None):
'''
Disconnects all callbacks from object
@param obj: Name of the object
@param event: Name of the event
@param callback: Function to call on event
'''
obj = 'self.ui.' + str(obj)
try:
obj = eval(obj)
QObject.disconnect(obj, SIGNAL(str(event)), callback)
except:
print "ERROR: Could not disconnect signals from object " + str(obj)
def __status(self):
'''
Displays a message at the status labels
@param msg: Message to display
@param msgType: Type of msgTypes[] value for message-type (optional, default= msgTypes['INFO'])
'''
start = '<span>'
end = '</span>'
sTyp = "INFO"
for msg in self.__statusMsg:
# check for message type
if msg[1] == self.msgTypes['ERROR']:
start = '<span style="color: red">'
sTyp = "ERROR"
elif msg[1] == self.msgTypes['WARNING']:
start = '<span style="color: orange">'
sTyp = "WARNING"
# set status labels
for obj in self.eDefinitions['status']:
value = start + str(msg[0]) + end
self.callFunction(obj, 'setText', [str(value)])
# print on console
if len(self.__statusMsg) > 0:
print sTyp, ":", msg[0]
# remove messages
self.__statusMsg = []
def status(self, msg='', msgType=msgTypes['INFO']):
'''
Displays a message at the status labels
@param msg: Message to display
@param msgType: Type of msgTypes[] value for message-type (optional, default= msgTypes['INFO'])
'''
self.__statusMsg.append([msg, msgType])
def dialog(self, options=dialogOptionsDef):
'''
Opens a dialog and returns its value
@param options: Dictionary of options for the dialog (optional, see dialogOptionsDef for example)
@return: value returned by the dialog
'''
ret = None
if options['type'] == self.dialogTypes['FileOpen']:
ret = QFileDialog.getOpenFileName(None, options['title'],
options['path'],
options['filetypes'])
elif options['type'] == self.dialogTypes['FileSave']:
ret = QFileDialog.getSaveFileName(None, options['title'],
options['path'],
options['filetypes'])
return ret
class GuiLoader(QMainWindow):
'''
Class for loading gui
'''
msgTypes = {
'INFO':0,
'ERROR':1,
'WARNING':2
}
dialogTypes = {
'FileOpen': 0,
'FileSave': 1
}
dialogOptionsDef = {
'type':dialogTypes['FileOpen'],
'filetypes':'JS Config Files (*.JS *.js)',
'title':'Open File',
'path':os.getcwd()
}
ui = None
eDefinitions = {
'status': ['lblStatus']
}
__statusTimer = QTimer()
__statusMsg = []
def __init__(self, parent=None):
'''
Constructor
@param parent: Not needed yet
'''
self.__statusMsg = []
# create gui
if parent != None:
self.ui = Ui_frmMain()
self.showInterface()
def showInterface(self, parent=None):
'''
Displays athe graphical interface.
@param parent: Not needed yet
'''
# create gui
super(GuiLoader, self).__init__()
widget = QWidget(self)
self.ui.setupUi(widget)
self.setCentralWidget(widget)
# start status timer
self.__statusTimer = QTimer()
self.__statusTimer.timeout.connect( self.__status )
self.__statusTimer.start(100)
def callFunction(self, obj, function, args=[]):
'''
Calls a function of an ui object
@param obj: Name of the object
@param function: Name of the function to call
@param args: Array of arguments to pass to the function (optional)
@return: returned value of the called function
'''
# generate function call
cmd = "self.ui." + str(obj) + "." + str(function) + "("
# add arguments to function call
for arg in args:
# check if value is a string
if type(arg) == str:
arg = "'" + arg + "'"
cmd += str(arg) + ","
# remove last comma
if cmd[ len(cmd)-1 ] == ",":
cmd = cmd[0 : len(cmd)-1]
cmd += ")"
# call fucntion and return returned value
try:
return eval( cmd )
except:
print "error by evaluating command:\n" + cmd
return None
def getObj(self, obj):
'''
Returns a pyqt object
@param obj: Name of the object
@return: PyQT Object or None if not found
'''
cmd = "self.ui." + str(obj)
return eval(cmd)
def connect(self, obj=None, event='', callback=None):
'''
Connects a event of an object to a callback function
@param obj: Name of the object
@param event: Name of the event
@param callback: Function to call on event
'''
obj = 'self.ui.' + str(obj)
try:
obj = eval(obj)
QObject.connect(obj, SIGNAL(str(event)), callback)
except:
print "ERROR: Could not connect object " + str(obj)
def disconnect(self, obj=None, event='', callback=None):
'''
Disconnects all callbacks from object
@param obj: Name of the object
@param event: Name of the event
@param callback: Function to call on event
'''
obj = 'self.ui.' + str(obj)
try:
obj = eval(obj)
QObject.disconnect(obj, SIGNAL(str(event)), callback)
except:
print "ERROR: Could not disconnect signals from object " + str(obj)
def __status(self):
'''
Displays a message at the status labels
@param msg: Message to display
@param msgType: Type of msgTypes[] value for message-type (optional, default= msgTypes['INFO'])
'''
start = '<span>'
end = '</span>'
sTyp = "INFO"
for msg in self.__statusMsg:
# check for message type
if msg[1] == self.msgTypes['ERROR']:
start = '<span style="color: red">'
sTyp = "ERROR"
elif msg[1] == self.msgTypes['WARNING']:
start = '<span style="color: orange">'
sTyp = "WARNING"
# set status labels
for obj in self.eDefinitions['status']:
value = start + str(msg[0]) + end
self.callFunction(obj, 'setText', [str(value)])
# print on console
if len(self.__statusMsg) >0:
print sTyp, ":", msg[0]
# remove messages
self.__statusMsg = []
def status(self, msg='', msgType=msgTypes['INFO']):
'''
Displays a message at the status labels
@param msg: Message to display
@param msgType: Type of msgTypes[] value for message-type (optional, default= msgTypes['INFO'])
'''
self.__statusMsg.append( [msg, msgType] )
def dialog(self, options=dialogOptionsDef):
'''
Opens a dialog and returns its value
@param options: Dictionary of options for the dialog (optional, see dialogOptionsDef for example)
@return: value returned by the dialog
'''
ret = None
if options['type'] == self.dialogTypes['FileOpen']:
ret = QFileDialog.getOpenFileName(None, options['title'], options['path'], options['filetypes'])
elif options['type'] == self.dialogTypes['FileSave']:
ret = QFileDialog.getSaveFileName(None, options['title'], options['path'], options['filetypes'])
return ret
