class ImmediateUploadExample(VerticalLayout):

    def __init__(self):
        super(ImmediateUploadExample, self).__init__()

        self.setSpacing(True)

        self._status = Label('Please select a file to upload')
        self._pi = ProgressIndicator()
        self._receiver = MyReceiver()
        self._progressLayout = HorizontalLayout()
        self._upload = Upload(None, self._receiver)

        # Slow down the upload
        self._receiver.setSlow(True)
        self.addComponent(self._status)
        self.addComponent(self._upload)
        self.addComponent(self._progressLayout)

        # Make uploading start immediately when file is selected
        self._upload.setImmediate(True)
        self._upload.setButtonCaption('Select file')

        self._progressLayout.setSpacing(True)
        self._progressLayout.setVisible(False)
        self._progressLayout.addComponent(self._pi)
        self._progressLayout.setComponentAlignment(self._pi,
                Alignment.MIDDLE_LEFT)

        cancelProcessing = Button('Cancel')
        cancelProcessing.addListener(CancelListener(self),
                button.IClickListener)
        cancelProcessing.setStyleName('small')
        self._progressLayout.addComponent(cancelProcessing)

        # =========== Add needed listener for the upload component: start,
        # progress, finish, success, fail ===========

        self._upload.addListener(StartedListener(self),
                upload.IStartedListener)

        self._upload.addListener(ProgressListener(self),
                upload.IProgressListener)

        self._upload.addListener(SucceededListener(self),
                upload.ISucceededListener)

        self._upload.addListener(FailedListener(self),
                upload.IFailedListener)

        self._upload.addListener(FinishedListener(self),
                upload.IFinishedListener)
Exemple #2
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class ImmediateUploadExample(VerticalLayout):
    def __init__(self):
        super(ImmediateUploadExample, self).__init__()

        self.setSpacing(True)

        self._status = Label('Please select a file to upload')
        self._pi = ProgressIndicator()
        self._receiver = MyReceiver()
        self._progressLayout = HorizontalLayout()
        self._upload = Upload(None, self._receiver)

        # Slow down the upload
        self._receiver.setSlow(True)
        self.addComponent(self._status)
        self.addComponent(self._upload)
        self.addComponent(self._progressLayout)

        # Make uploading start immediately when file is selected
        self._upload.setImmediate(True)
        self._upload.setButtonCaption('Select file')

        self._progressLayout.setSpacing(True)
        self._progressLayout.setVisible(False)
        self._progressLayout.addComponent(self._pi)
        self._progressLayout.setComponentAlignment(self._pi,
                                                   Alignment.MIDDLE_LEFT)

        cancelProcessing = Button('Cancel')
        cancelProcessing.addListener(CancelListener(self),
                                     button.IClickListener)
        cancelProcessing.setStyleName('small')
        self._progressLayout.addComponent(cancelProcessing)

        # =========== Add needed listener for the upload component: start,
        # progress, finish, success, fail ===========

        self._upload.addListener(StartedListener(self),
                                 upload.IStartedListener)

        self._upload.addListener(ProgressListener(self),
                                 upload.IProgressListener)

        self._upload.addListener(SucceededListener(self),
                                 upload.ISucceededListener)

        self._upload.addListener(FailedListener(self), upload.IFailedListener)

        self._upload.addListener(FinishedListener(self),
                                 upload.IFinishedListener)
class UploadWithProgressMonitoringExample(VerticalLayout):

    def __init__(self):
        super(UploadWithProgressMonitoringExample, self).__init__()

        self.setSpacing(True)

        self._state = Label()
        self._result = Label()
        self._fileName = Label()
        self._textualProgress = Label()
        self._pi = ProgressIndicator()
        self._counter = LineBreakCounter()
        self._upload = Upload(None, self._counter)

        self.addComponent(Label('Upload a file and we\'ll count the number '
                'of line break characters (\\n) found in it.'))

        # make analyzing start immediatedly when file is selected
        self._upload.setImmediate(True)
        self._upload.setButtonCaption('Upload File')
        self.addComponent(self._upload)

        handBrake = CheckBox('Simulate slow server')
        handBrake.setValue(True)
        self._counter.setSlow(True)
        handBrake.setDescription('Sleep for 100ms after each kilobyte to '
                'simulate slower processing/bandwidth. This is to show '
                'progress indicator even with rather small files.')
        handBrake.addListener(HandBrakeListener(self), button.IClickListener)

        cancelProcessing = Button('Cancel')
        cancelProcessing.addListener(CancelListener(self),
                button.IClickListener)
        cancelProcessing.setVisible(False)
        cancelProcessing.setStyleName('small')

        handBrake.setImmediate(True)
        self.addComponent(handBrake)

        p = Panel('Status')
        p.setSizeUndefined()

        l = FormLayout()
        l.setMargin(True)
        p.setContent(l)

        stateLayout = HorizontalLayout()
        stateLayout.setSpacing(True)
        stateLayout.addComponent(self._state)
        stateLayout.addComponent(cancelProcessing)
        stateLayout.setCaption('Current state')
        self._state.setValue('Idle')
        l.addComponent(stateLayout)

        self._fileName.setCaption('File name')
        l.addComponent(self._fileName)

        self._result.setCaption('Line breaks counted')
        l.addComponent(self._result)

        self._pi.setCaption('Progress')
        self._pi.setVisible(False)
        l.addComponent(self._pi)
        self._textualProgress.setVisible(False)
        l.addComponent(self._textualProgress)

        self.addComponent(p)

        self._upload.addListener(StartedListener(self),
                upload.IStartedListener)

        self._upload.addListener(ProgressListener(self),
                upload.IProgressListener)

        self._upload.addListener(SucceededListener(self),
                upload.ISucceededListener)

        self._upload.addListener(FailedListener(self),
                upload.IFailedListener)

        self._upload.addListener(FinishedListener(self),
                upload.IFinishedListener)
class UploadWithProgressMonitoringExample(VerticalLayout):
    def __init__(self):
        super(UploadWithProgressMonitoringExample, self).__init__()

        self.setSpacing(True)

        self._state = Label()
        self._result = Label()
        self._fileName = Label()
        self._textualProgress = Label()
        self._pi = ProgressIndicator()
        self._counter = LineBreakCounter()
        self._upload = Upload(None, self._counter)

        self.addComponent(
            Label('Upload a file and we\'ll count the number '
                  'of line break characters (\\n) found in it.'))

        # make analyzing start immediatedly when file is selected
        self._upload.setImmediate(True)
        self._upload.setButtonCaption('Upload File')
        self.addComponent(self._upload)

        handBrake = CheckBox('Simulate slow server')
        handBrake.setValue(True)
        self._counter.setSlow(True)
        handBrake.setDescription(
            'Sleep for 100ms after each kilobyte to '
            'simulate slower processing/bandwidth. This is to show '
            'progress indicator even with rather small files.')
        handBrake.addListener(HandBrakeListener(self), button.IClickListener)

        cancelProcessing = Button('Cancel')
        cancelProcessing.addListener(CancelListener(self),
                                     button.IClickListener)
        cancelProcessing.setVisible(False)
        cancelProcessing.setStyleName('small')

        handBrake.setImmediate(True)
        self.addComponent(handBrake)

        p = Panel('Status')
        p.setSizeUndefined()

        l = FormLayout()
        l.setMargin(True)
        p.setContent(l)

        stateLayout = HorizontalLayout()
        stateLayout.setSpacing(True)
        stateLayout.addComponent(self._state)
        stateLayout.addComponent(cancelProcessing)
        stateLayout.setCaption('Current state')
        self._state.setValue('Idle')
        l.addComponent(stateLayout)

        self._fileName.setCaption('File name')
        l.addComponent(self._fileName)

        self._result.setCaption('Line breaks counted')
        l.addComponent(self._result)

        self._pi.setCaption('Progress')
        self._pi.setVisible(False)
        l.addComponent(self._pi)
        self._textualProgress.setVisible(False)
        l.addComponent(self._textualProgress)

        self.addComponent(p)

        self._upload.addListener(StartedListener(self),
                                 upload.IStartedListener)

        self._upload.addListener(ProgressListener(self),
                                 upload.IProgressListener)

        self._upload.addListener(SucceededListener(self),
                                 upload.ISucceededListener)

        self._upload.addListener(FailedListener(self), upload.IFailedListener)

        self._upload.addListener(FinishedListener(self),
                                 upload.IFinishedListener)