class AccessionByName(Composite):
def __init__(self):
self.form = FormPanel()
self.form.setAction("/Accession/searchByName/")
# 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.
vpanel = VerticalPanel()
self.form.setWidget(vpanel)
self.colour_input = AutoCompleteByURLTextBox('/Accession/autoComplete')
hpanel = HorizontalPanel()
hpanel.add(HTML("Enter an ecotype name: "))
hpanel.add(self.colour_input)
hpanel.setSpacing(8)
# Add a 'submit' button.
hpanel.add(Button("Submit", self))
vpanel.add(hpanel)
# Add an event handler to the form.
self.form.addFormHandler(self)
self.setWidget(self.form)
def onShow(self):
#self.colour_input.setFocus(True)
return
class FileUploadDemo(SimplePanel):
def __init__(self):
SimplePanel.__init__(self)
self.form = FormPanel()
self.form.setEncoding(FormPanel.ENCODING_MULTIPART)
self.form.setMethod(FormPanel.METHOD_POST)
self.form.setAction("http://nonexistent.com")
self.form.setTarget("results")
vPanel = VerticalPanel()
hPanel = HorizontalPanel()
hPanel.setSpacing(5)
hPanel.add(Label("Upload file:"))
self.field = FileUpload()
self.field.setName("file")
hPanel.add(self.field)
hPanel.add(Button("Submit", getattr(self, "onBtnClick")))
vPanel.add(hPanel)
results = NamedFrame("results")
vPanel.add(results)
self.form.add(vPanel)
self.add(self.form)
def onBtnClick(self, event):
self.form.submit()
class FileUploadDemo(SimplePanel):
def __init__(self):
SimplePanel.__init__(self)
self.form = FormPanel()
self.form.setEncoding(FormPanel.ENCODING_MULTIPART)
self.form.setMethod(FormPanel.METHOD_POST)
self.form.setAction("http://nonexistent.com")
self.form.setTarget("results")
vPanel = VerticalPanel()
hPanel = HorizontalPanel()
hPanel.setSpacing(5)
hPanel.add(Label("Upload file:"))
self.field = FileUpload()
self.field.setName("file")
hPanel.add(self.field)
hPanel.add(Button("Submit", getattr(self, "onBtnClick")))
vPanel.add(hPanel)
results = NamedFrame("results")
vPanel.add(results)
self.form.add(vPanel)
self.add(self.form)
def onBtnClick(self, event):
self.form.submit()
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)
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 (len(self.tb.getText()) == 0):
Window.alert("The text box must not be empty")
event.setCancelled(True)
class HiddenDemo(SimplePanel):
def __init__(self):
SimplePanel.__init__(self)
self.form = FormPanel()
self.form.setAction("http://google.com/search")
self.form.setTarget("results")
panel = VerticalPanel()
panel.add(Hidden("q", "python pyjamas"))
panel.add(Button("Search", getattr(self, "onBtnClick")))
results = NamedFrame("results")
panel.add(results)
self.form.add(panel)
self.add(self.form)
def onBtnClick(self, event):
self.form.submit()
class MTurkOutput:
"""
This class encapsulated all that is germane to sending the results to MTurk
thus enabling the separating of the logic from the gui
"""
def __init__(self,sandbox,assignmentId,hitId,workerId):
self.mturk_form = FormPanel()
# change this to sandbox url once ready for testing
self.write_data = write_data
if sandbox:
self.mturk_form.setAction("https://workersandbox.mturk.com/mturk/externalSubmit")
else:
self.mturk_form.setAction("http://www.mturk.com/mturk/externalSubmit")
self.mturk_form.setMethod(FormPanel.METHOD_POST)
self.assignmentId = Hidden("assignmentId")
self.hitId = Hidden("hitId")
self.workerId = Hidden("workerId")
self.assignmentId.setValue(assignmentId)
self.hitId.setValue(hitId)
self.workerId.setValue(workerId)
self.vp = VerticalPanel()
self.vp.add(self.assignmentId)
self.vp.add(self.hitId)
self.vp.add(self.workerId)
self.mturk_form.add(self.vp)
def add_data(self,data):
"""
Adds data -- takes as argument a list of pairs
"""
for k,v in data:
tmp = Hidden(k)
tmp.setValue(v)
self.vp.add(tmp)
class HiddenDemo(SimplePanel):
def __init__(self):
SimplePanel.__init__(self)
self.form = FormPanel()
self.form.setAction("http://google.com/search")
self.form.setTarget("results")
panel = VerticalPanel()
panel.add(Hidden("q", "python pyjamas"))
panel.add(Button("Search", getattr(self, "onBtnClick")))
results = NamedFrame("results")
panel.add(results)
self.form.add(panel)
self.add(self.form)
def onBtnClick(self, event):
self.form.submit()
class UploadProblemTab(EntityTab):
def __init__(self,app):
EntityTab.__init__(self, app)
self.form = FormPanel()
self.form.setEncoding("multipart/form-data")
self.form.setMethod("post")
self.table = FlexTable()
self.table.setText(0,0,"Problem archive")
self.file = FileUpload()
self.file.setName("file");
self.table.setWidget(0,1,self.file)
self.form.setWidget(self.table)
self.button = Button("Submit",self)
self.table.setWidget(1,1, self.button)
self.msg = HTML("<b>Uploading</b>")
self.msg.setVisible(False)
self.cookie = Hidden()
self.cookie.setName("cookie")
self.table.setWidget(2,0, self.cookie)
self.table.setWidget(2,1, self.msg)
self.form.setWidget(self.table)
self.form.setAction("../upload.py/problem")
self.add("Upload new problem")
def onSubmitComplete(self,event):
self.msg.setVisible(False)
def onSubmit(self,evt):
self.msg.setVisible(True)
def onClick(self,evt):
if self.app.cookie == None:
self.app.login()
else:
self.cookie.setValue(self.app.cookie)
self.form.submit()
def getRoot(self):
return self.form
class FileUploadPanel(SimplePanel):
def __init__(self):
SimplePanel.__init__(self)
self.form = FormPanel()
self.form.setEncoding(FormPanel.ENCODING_MULTIPART)
self.form.setMethod(FormPanel.METHOD_POST)
self.url = "http://localhost/pyjamas_upload_demo"
self.form.setAction(self.url)
self.form.setTarget("results")
vPanel = VerticalPanel()
hPanel = HorizontalPanel()
hPanel.setSpacing(5)
hPanel.add(Label("Upload file:"))
self.field = FileUpload()
self.field.setName("file")
hPanel.add(self.field)
hPanel.add(Button("Submit", getattr(self, "onBtnClick")))
vPanel.add(hPanel)
self.simple = CheckBox("Simple mode? ")
#self.simple.setChecked(True)
vPanel.add(self.simple)
self.progress = Label('0%')
results = NamedFrame("results")
vPanel.add(results)
vPanel.add(self.progress)
self.form.add(vPanel)
self.add(self.form)
def onBtnClick(self, event):
self.progress.setText('0%')
if self.simple.isChecked():
self.form.submit()
else:
if AsyncUpload.is_old_browser():
Window.alert("Hmmm, your browser doesn't support this.")
else:
el = self.field.getElement()
files = getattr(el, 'files')
#TODO implement loop for multiple file uploads
file = JS("@{{files}}[0]") #otherwise pyjs thinks it's a string?
AsyncUpload.asyncUpload(self.url, file, self)
def onload(self, status):
self.progress.setText('100%')
def onerror(self, status):
Window.alert("oh noes we got an " + str(status))
def onprogress(self, loaded, total):
if self.progress.getText() == '100%': return
progress = (loaded / total)
p = int(progress * 100)
self.progress.setText(str(p) + '%')
class FileUploadPanel(SimplePanel):
def __init__(self):
SimplePanel.__init__(self)
self.form = FormPanel()
self.form.setEncoding(FormPanel.ENCODING_MULTIPART)
self.form.setMethod(FormPanel.METHOD_POST)
self.url = "http://localhost/pyjamas_upload_demo"
self.form.setAction(self.url)
self.form.setTarget("results")
vPanel = VerticalPanel()
hPanel = HorizontalPanel()
hPanel.setSpacing(5)
hPanel.add(Label("Upload file:"))
self.field = FileUpload()
self.field.setName("file")
hPanel.add(self.field)
hPanel.add(Button("Submit", getattr(self, "onBtnClick")))
vPanel.add(hPanel)
self.simple = CheckBox("Simple mode? ")
#self.simple.setChecked(True)
vPanel.add(self.simple)
self.progress = Label('0%')
results = NamedFrame("results")
vPanel.add(results)
vPanel.add(self.progress)
self.form.add(vPanel)
self.add(self.form)
def onBtnClick(self, event):
self.progress.setText('0%')
if self.simple.isChecked():
self.form.submit()
else:
if AsyncUpload.is_old_browser():
Window.alert("Hmmm, your browser doesn't support this.")
else:
el = self.field.getElement()
files = getattr(el, 'files')
#TODO implement loop for multiple file uploads
file = JS(
"@{{files}}[0]") #otherwise pyjs thinks it's a string?
AsyncUpload.asyncUpload(self.url, file, self)
def onload(self, status):
self.progress.setText('100%')
def onerror(self, status):
Window.alert("oh noes we got an " + str(status))
def onprogress(self, loaded, total):
if self.progress.getText() == '100%': return
progress = (loaded / total)
p = int(progress * 100)
self.progress.setText(str(p) + '%')
class OpenPowerSystem:
""" Defines the main panel for OpenPowerSystem.
"""
def __init__(self):
""" Constructs a new OpenPowerSystem instance.
"""
self.TEXT_WAITING = "Waiting for response..."
self.TEXT_ERROR = "Server Error"
self.base_panel = HorizontalPanel()
self.tab_panel = TabPanel()
self.tab_panel.add(self.get_upload_panel(), "Upload")
# self.tab_panel.add(self.get_home_panel(), "OpenPowerSystem")
# self.tab_panel.add(self.get_map_panel(), "Map")
# self.tab_panel.add(self.get_edit_panel(), "Edit")
self.tab_panel.selectTab(0)
self.base_panel.add(self.tab_panel)
RootPanel().add(self.base_panel)
def get_home_panel(self):
panel = VerticalPanel()
title = HTML("""OpenPowerSystem""")
panel.add(title)
subtitle = HTML("""The Open Power System data repository.""")
panel.add(subtitle)
return panel
# def get_map_panel(self):
# panel = VerticalPanel()
#
# self.map = OpenMap(Width="900px", Height="900px")
# panel.add(self.map)
#
# self.wms = OpenWMSLayer("OpenLayers WMS",
# "http://labs.metacarta.com/wms/vmap0", layers="basic")
# self.map.addLayer(self.wms)
#
# return panel
# def get_edit_panel(self):
# edit_page = edit_panel.EditPanel()
# return edit_page.panel
def get_upload_panel(self):
# Create a FormPanel and point it at a service.
self.form = FormPanel()
self.form.setAction("/upload")
# Add an event handler to the form.
handler = UploadFormHandler()
handler.form = self.form
self.form.addFormHandler(handler)
# 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)
panel = VerticalPanel()
panel.setSpacing(8)
panel.setStyleName("panel") # same name as in OpenPowerSystem.css.
self.form.setWidget(panel)
info = HTML(r'Upload CIM RDF/XML instance file.')
panel.add(info)
# Create a list box for choice of profile.
self.profiles = [("UCTE (CIM 14)", "ucte"),
("CPSM (CIM13)", "cpsm"),
("CDPSM (CIM 14)", "cdpsm"),
("Dynamics (CIM 14)", "dynamics")]
self.profile = ListBox(VisibleItemCount=1)
self.profile.setName("profileType")
for n, v in self.profiles:
self.profile.addItem(n, v)
panel.add(self.profile)
# Create a FileUpload widget.
rdfxml_file = FileUpload()
rdfxml_file.setName("uploadFormElement")
panel.add(rdfxml_file)
# Add a 'submit' button.
upload = Button("Upload", handler)
panel.add(upload)
return self.form
class Signup:
def onModuleLoad(self):
self.form = FormPanel()
self.remote_py = MyBlogService()
self.form.setAction("/index.html")
vp = VerticalPanel(BorderWidth=0,
HorizontalAlignment=HasAlignment.ALIGN_CENTER,
VerticalAlignment=HasAlignment.ALIGN_MIDDLE,
Width="100%",
Height="150px")
self.form.setWidget(vp)
header = HTML(
"<h2>CREATE MY ACCOUNT</h2><h3>Welcome to signup form</h3>")
part1 = header
hpn = HorizontalPanel(BorderWidth=0,
HorizontalAlignment=HasAlignment.ALIGN_LEFT,
VerticalAlignment=HasAlignment.ALIGN_MIDDLE,
Width="92%",
Height="60px")
self.fname = TextBox()
self.fname.setName("fname")
self.fname.setPlaceholder("First Name")
hpn.add(self.fname)
self.lname = TextBox()
self.lname.setName("lname")
self.lname.setPlaceholder("Last Name")
hpn.add(self.lname)
hpn.setCellWidth(self.fname, "70%")
hpn.setCellWidth(self.lname, "30%")
part2 = hpn
self.uname = TextBox()
self.uname.setName("uname")
self.uname.setPlaceholder("User Name")
part3 = self.uname
self.password = PasswordTextBox()
self.password.setName("passsignup")
self.password.setPlaceholder("Choose a password")
part4 = self.password
self.rpassword = PasswordTextBox()
self.rpassword.setName("rpasssignup")
self.rpassword.setPlaceholder("Confirm your password")
part5 = self.rpassword
self.email = TextBox()
self.email.setName("emailsignup")
self.email.setPlaceholder("Enter your email address ")
part6 = self.email
self.errorlabel = Label()
self.errorlabel.setStyleName("errorlabel")
part7 = self.errorlabel
hpanel = HorizontalPanel(BorderWidth=0,
HorizontalAlignment=HasAlignment.ALIGN_CENTER,
VerticalAlignment=HasAlignment.ALIGN_MIDDLE,
Width="100%",
Height="50px")
partb = Button("Signup", self)
partb.setStyleName('btn')
image = Label("Already have account! Sign in")
anchor = Anchor(Widget=image, Href='/index.html')
parta = anchor
hpanel.add(partb)
hpanel.add(parta)
hpanel.setStyleName("hpanel")
part8 = hpanel
vp.add(part1)
vp.add(part2)
vp.add(part3)
vp.add(part4)
vp.add(part5)
vp.add(part6)
vp.add(part7)
vp.add(part8)
vp.setCellHeight(part1, "5%")
vp.setCellHeight(part2, "10%")
vp.setCellHeight(part3, "10%")
vp.setCellHeight(part4, "10%")
vp.setCellHeight(part5, "10%")
vp.setCellHeight(part6, "10%")
vp.setCellHeight(part7, "10%")
vp.setCellHeight(part8, "10%")
vp.setStyleName("signup")
self.form.addFormHandler(self)
RootPanel().add(self.form)
def onClick(self, sender):
add = self.email.getText()
match = re.match(
'^[a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,4})$',
add)
if (len(self.fname.getText()) == 0 or len(self.lname.getText()) == 0):
self.errorlabel.setText("First Name or Last name can't be empty ")
elif (len(self.uname.getText()) == 0):
self.errorlabel.setText("Username can't be empty ")
elif (len(self.password.getText()) == 0):
self.errorlabel.setText("Password can't be empty ")
elif (len(self.rpassword.getText()) == 0):
self.errorlabel.setText("confirm your password")
elif ((self.password.getText() != self.rpassword.getText())):
self.errorlabel.setText("Password should be same!")
elif match == None:
self.errorlabel.setText("invalid email")
else:
self.errorlabel.setText('')
self.createUser()
def onSubmitComplete(self, event):
Window.alert(event.getResults())
def createUser(self):
self.remote_py.callMethod('createUser', [
self.fname.getText(),
self.lname.getText(),
self.uname.getText(),
self.email.getText(),
self.password.getText()
], self)
def onRemoteResponse(self, response, requestInfo):
self.errorlabel.setText('')
Window.alert("Signed up successfully. Please login.")
Window.setLocation("/index.html")
def onRemoteError(self, code, error_dict, requestInfo):
if code == 500:
self.errorlabel.setText("user name already exists .")
class SubmitTab:
def __init__(self,app):
self.app=app
self.form = FormPanel()
self.form.setEncoding("multipart/form-data")
self.form.setMethod("post")
self.msg = HTML("<b>Uploading</b>")
self.table = FlexTable()
self.table.setText(0,0, "Problem")
self.table.setText(1,0, "Language")
self.table.setText(2,0, "Program File")
self.table.setText(3,0, "Program source")
self.problem = ListBox()
self.problem.insertItem("Detect",-1,-1)
self.problem.setName("problem")
self.table.setWidget(0,1,self.problem)
self.lang = ListBox()
self.lang.insertItem("Detect","",-1)
self.lang.insertItem("C/C++","cc",-1)
self.lang.insertItem("Java","Java",-1)
self.lang.insertItem("Python","Python",-1)
self.lang.setName("lang")
self.table.setWidget(1,1,self.lang)
self.cookie = Hidden()
self.cookie.setName("cookie")
self.table.setWidget(5,0,self.cookie)
self.file = FileUpload()
self.file.setName("file");
self.table.setWidget(2,1,self.file)
self.source = TextArea()
self.source.setName("source")
self.source.setWidth("600");
self.source.setHeight("400");
self.source.setText("""//$$problem: 1$$
//$$language: cc$$
#include <unistd.h>
#include <stdio.h>
int main() {
int a,b;
scanf("%d %d",&a,&b);
printf("%d\\n",a+b);
return 0;
}""")
self.source.addChangeListener(self.onChange)
self.table.setWidget(3,1,self.source)
self.button = Button("Submit",self)
self.table.setWidget(4,1, self.button)
self.table.setWidget(5,1, self.msg)
self.msg.setVisible(False)
self.form.setWidget(self.table)
self.form.setAction("../upload.py/submit")
self.form.addFormHandler(self)
def onChange(self, src):
if self.source.getText():
self.file = FileUpload()
self.file.setName("file");
self.table.setWidget(2,1,self.file)
def onSubmitComplete(self,event):
self.msg.setVisible(False)
def onSubmit(self,evt):
self.msg.setVisible(True)
def onClick(self,evt):
if self.app.cookie == None:
self.app.login()
else:
self.cookie.setValue(self.app.cookie)
self.form.submit()
def getRoot(self):
return self.form
class OpenPowerSystem:
""" Defines the main panel for OpenPowerSystem.
"""
def __init__(self):
""" Constructs a new OpenPowerSystem instance.
"""
self.TEXT_WAITING = "Waiting for response..."
self.TEXT_ERROR = "Server Error"
self.base_panel = HorizontalPanel()
self.tab_panel = TabPanel()
self.tab_panel.add(self.get_upload_panel(), "Upload")
# self.tab_panel.add(self.get_home_panel(), "OpenPowerSystem")
# self.tab_panel.add(self.get_map_panel(), "Map")
# self.tab_panel.add(self.get_edit_panel(), "Edit")
self.tab_panel.selectTab(0)
self.base_panel.add(self.tab_panel)
RootPanel().add(self.base_panel)
def get_home_panel(self):
panel = VerticalPanel()
title = HTML("""OpenPowerSystem""")
panel.add(title)
subtitle = HTML("""The Open Power System data repository.""")
panel.add(subtitle)
return panel
# def get_map_panel(self):
# panel = VerticalPanel()
#
# self.map = OpenMap(Width="900px", Height="900px")
# panel.add(self.map)
#
# self.wms = OpenWMSLayer("OpenLayers WMS",
# "http://labs.metacarta.com/wms/vmap0", layers="basic")
# self.map.addLayer(self.wms)
#
# return panel
# def get_edit_panel(self):
# edit_page = edit_panel.EditPanel()
# return edit_page.panel
def get_upload_panel(self):
# Create a FormPanel and point it at a service.
self.form = FormPanel()
self.form.setAction("/upload")
# Add an event handler to the form.
handler = UploadFormHandler()
handler.form = self.form
self.form.addFormHandler(handler)
# 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)
panel = VerticalPanel()
panel.setSpacing(8)
panel.setStyleName("panel") # same name as in OpenPowerSystem.css.
self.form.setWidget(panel)
info = HTML(r'Upload CIM RDF/XML instance file.')
panel.add(info)
# Create a list box for choice of profile.
self.profiles = [("UCTE (CIM 14)", "ucte"), ("CPSM (CIM13)", "cpsm"),
("CDPSM (CIM 14)", "cdpsm"),
("Dynamics (CIM 14)", "dynamics")]
self.profile = ListBox(VisibleItemCount=1)
self.profile.setName("profileType")
for n, v in self.profiles:
self.profile.addItem(n, v)
panel.add(self.profile)
# Create a FileUpload widget.
rdfxml_file = FileUpload()
rdfxml_file.setName("uploadFormElement")
panel.add(rdfxml_file)
# Add a 'submit' button.
upload = Button("Upload", handler)
panel.add(upload)
return self.form
