def onModuleLoad(self):
# Create a FormPanel and point it at a service.
self.form = FormPanel()
self.form.setAction("/chat-service/test/")
# Because we're going to add a FileUpload widget, we'll need to set the
# form to use the POST method, and multipart MIME encoding.
self.form.setEncoding(FormPanel.ENCODING_MULTIPART)
self.form.setMethod(FormPanel.METHOD_POST)
# Create a panel to hold all of the form widgets.
panel = VerticalPanel()
self.form.setWidget(panel)
# Create a TextBox, giving it a name so that it will be submitted.
self.tb = TextBox()
self.tb.setName("textBoxFormElement")
panel.add(self.tb)
# Create a ListBox, giving it a name and some values to be associated with
# its options.
lb = ListBox()
lb.setName("listBoxFormElement")
lb.addItem("foo", "fooValue")
lb.addItem("bar", "barValue")
lb.addItem("baz", "bazValue")
panel.add(lb)
# Create a FileUpload widget.
upload = FileUpload()
upload.setName("uploadFormElement")
panel.add(upload)
# Add a 'submit' button.
panel.add(Button("Submit", self))
# Add an event handler to the form.
self.form.addFormHandler(self)
RootPanel().add(self.form)
class FormPanelExample:
def onModuleLoad(self):
# Create a FormPanel and point it at a service.
self.form = FormPanel()
self.form.setAction("/chat-service/test/")
# Because we're going to add a FileUpload widget, we'll need to set the
# form to use the POST method, and multipart MIME encoding.
self.form.setEncoding(FormPanel.ENCODING_MULTIPART)
self.form.setMethod(FormPanel.METHOD_POST)
# Create a panel to hold all of the form widgets.
panel = VerticalPanel()
self.form.setWidget(panel)
# Create a TextBox, giving it a name so that it will be submitted.
self.tb = TextBox()
self.tb.setName("textBoxFormElement")
panel.add(self.tb)
# Create a ListBox, giving it a name and some values to be associated with
# its options.
lb = ListBox()
lb.setName("listBoxFormElement")
lb.addItem("foo", "fooValue")
lb.addItem("bar", "barValue")
lb.addItem("baz", "bazValue")
panel.add(lb)
# Create a FileUpload widget.
upload = FileUpload()
upload.setName("uploadFormElement")
panel.add(upload)
# Add a 'submit' button.
panel.add(Button("Submit", self))
# Add an event handler to the form.
self.form.addFormHandler(self)
RootPanel().add(self.form)
def onClick(self, sender):
self.form.submit()
def onSubmitComplete(self, event):
# When the form submission is successfully completed, this event is
# fired. Assuming the service returned a response of type text/plain,
# we can get the result text here (see the FormPanel documentation for
# further explanation).
Window.alert(event.getResults())
def onSubmit(self, event):
# This event is fired just before the form is submitted. We can take
# this opportunity to perform validation.
if (self.tb.getText().length == 0):
Window.alert("The text box must not be empty")
event.setCancelled(true)