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from pyjamas.ui.Grid import Grid
class Logger(Grid):
instances = []
def __init__(self):
Logger.instances.append(self)
Grid.__init__(self)
self.targets=[]
self.targets.append("app")
#self.targets.append("ui")
self.resize(len(self.targets)+1, 2)
self.setBorderWidth("1")
self.counter=0
self.setHTML(0, 0, "<b>Log</b>")
self.setText(1, 0, "app")
for i in range(len(self.targets)):
target=self.targets[i]
self.setText(i+1, 0, target)
@classmethod
def getSingleton(self):
return Logger.singleton
def setSingleton(self):
Logger.singleton = self
def addTarget(self, target):
self.targets.append(target)
self.resize(len(self.targets)+1, 2)
self.setText(len(self.targets), 0, target)
return self.targets.index(target)
@classmethod
def write(cls, target, message):
for logger in cls.instances:
logger.onMessage(target, message)
def onMessage(self, target, message):
self.counter+=1
if target=='':
target='app'
target_idx=self.targets.index(target)
# add new target
if target_idx<0:
target_idx=self.addTarget(target)
target_row=target_idx+1
old_text=self.getHTML(target_row, 1)
log_line=self.counter + ": " + message
if old_text=='&nbsp;':
new_text=log_line
else:
new_text=old_text + "<br>" + log_line
self.setHTML(target_row, 1, new_text)
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