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 JSONRPCExample:
def onModuleLoad(self):
self.TEXT_WAITING = "Waiting for response..."
self.TEXT_ERROR = "Server Error"
self.METHOD_ECHO = "Echo"
self.METHOD_REVERSE = "Reverse"
self.METHOD_UPPERCASE = "UPPERCASE"
self.METHOD_LOWERCASE = "lowercase"
self.methods = [self.METHOD_ECHO, self.METHOD_REVERSE, self.METHOD_UPPERCASE, self.METHOD_LOWERCASE]
self.remote_php = EchoServicePHP()
self.remote_py = EchoServicePython()
self.status=Label()
self.text_area = TextArea()
self.text_area.setText(r"{'Test'} [\"String\"]")
self.text_area.setCharacterWidth(80)
self.text_area.setVisibleLines(8)
self.method_list = ListBox()
self.method_list.setName("hello")
self.method_list.setVisibleItemCount(1)
for method in self.methods:
self.method_list.addItem(method)
self.method_list.setSelectedIndex(0)
method_panel = HorizontalPanel()
method_panel.add(HTML("Remote string method to call: "))
method_panel.add(self.method_list)
method_panel.setSpacing(8)
self.button_php = Button("Send to PHP Service", self)
self.button_py = Button("Send to Python Service", self)
buttons = HorizontalPanel()
buttons.add(self.button_php)
buttons.add(self.button_py)
buttons.setSpacing(8)
info = r"<h2>JSON-RPC Example</h2><p>This example demonstrates the calling of server services with <a href=\"http://json-rpc.org/\">JSON-RPC</a>."
info += "<p>Enter some text below, and press a button to send the text to an Echo service on your server. An echo service simply sends the exact same text back that it receives."
panel = VerticalPanel()
panel.add(HTML(info))
panel.add(self.text_area)
panel.add(method_panel)
panel.add(buttons)
panel.add(self.status)
RootPanel().add(panel)
def onClick(self, sender):
self.status.setText(self.TEXT_WAITING)
method = self.methods[self.method_list.getSelectedIndex()]
text = self.text_area.getText()
# demonstrate proxy & callMethod()
if sender == self.button_php:
if method == self.METHOD_ECHO:
id = self.remote_php.echo(text, self)
elif method == self.METHOD_REVERSE:
id = self.remote_php.callMethod("reverse", [text], self)
elif method == self.METHOD_UPPERCASE:
id = self.remote_php.uppercase(text, self)
elif method == self.METHOD_LOWERCASE:
id = self.remote_php.lowercase(text, self)
else:
if method == self.METHOD_ECHO:
id = self.remote_py.echo(text, self)
elif method == self.METHOD_REVERSE:
id = self.remote_py.reverse(text, self)
elif method == self.METHOD_UPPERCASE:
id = self.remote_py.uppercase(text, self)
elif method == self.METHOD_LOWERCASE:
id = self.remote_py.lowercase(text, self)
if id<0:
self.status.setText(self.TEXT_ERROR)
def onRemoteResponse(self, response, request_info):
self.status.setText(response)
def onRemoteError(self, code, message, request_info):
self.status.setText("Server Error or Invalid Response: ERROR " + code + " - " + message)
