class PopupNewVar(Popup):
def __init__(self, okClick, cancelClick):
Popup.__init__(self, '<b>Nova Variável</b>', okClick,
cancelClick, CONFIRM_CANCEL)
def draw(self):
Popup.draw(self)
namePanel = HorizontalPanel()
namePanel.add(Label(_('Name') + ':'))
self.textBox = TextBox()
self.textBox.setMaxLength(15)
self.textBox.setStyleAttribute('marginLeft', 10)
namePanel.add(self.textBox)
self.center.add(namePanel)
self.choose = ChooseTypeVarPanel()
self.center.add(self.choose)
self.textBox.addInputListener(self)
self.message = Element(Element=DOM.createDiv())
self.message.add(Widget(Element=DOM.createDiv(),
StyleName='not_image'))
self.message.add(
Label(text=_('Name already used'),
wordWrap=False,
StyleName='not_message'))
self.onInput()
def onInput(self, sender):
if self.textBox.getText().count(' ') == len(self.textBox.getText()):
self.okButton.addStyleName('disabled')
self.south.remove(self.message)
elif self.textBox.getText() in vars or self.textBox.getText(
) in createdBlocks:
self.okButton.addStyleName('disabled')
self.south.add(self.message)
else:
self.okButton.removeStyleName('disabled')
self.south.remove(self.message)
def myOkClick(self):
if 'disabled' not in self.okButton.getStyleName():
Popup.myOkClick(self)
self.okClick(self.textBox.getText(), self.choose.selectedType)
def myCancelClick(self):
Popup.myCancelClick(self)
if self.cancelClick is not None: self.cancelClick()
def show(self):
Popup.show(self)
self.textBox.setFocus(True)
class BooleanArgument(Argument):
def __init__(self):
Argument.__init__(self, [Block.BOOLEAN_BLOCK])
self.height = 20
self.width = 15
drawBooleanArgument(self)
self.addInput()
self.resize()
def addInput(self):
self.input = TextBox()
self.input.setWidth(20)
self.input.addInputListener(self)
self.append(self.input)
DOM.setBooleanAttribute(self.input.getElement(), "readOnly", True)
self.input.addChangeListener(self)
def onChange(self, sender):
from edu.uca.util.Serializable import stateChange
stateChange()
def onInput(self, sender):
if len(self.input.getText()) == 0:
self.input.setWidth(
20) # nao esta usando pois nao pode digitar no input bool
else:
self.input.setWidth(20 + ((len(self.input.getText()) - 1) * 7))
self.width = self.input.getWidth()
self.resize()
def resize(self):
c = math.ceil(self.height / 2 + 1)
self.tr.setStyleAttribute({
'right': -c - 2,
'width': c + 3,
'height': c
})
self.br.setStyleAttribute({
'right': -c - 2,
'width': c + 3,
'height': c
})
self.tl.setStyleAttribute({
'left': -c - 2,
'width': c + 3,
'height': c
})
self.bl.setStyleAttribute({
'left': -c - 2,
'width': c + 3,
'height': c
})
self.setStyleAttribute({'width': self.width})
self.t.setWidth(self.width)
self.b.setWidth(self.width)
class PopupOpenState(Popup):
def __init__(self, okClick, cancelClick, title='Abrir', options=CONFIRM_CANCEL):
Popup.__init__(self, title, okClick, cancelClick, options)
def draw(self):
Popup.draw(self)
namePanel = HorizontalPanel()
#namePanel.add(Label('Crie um arquivo'))
if self.title == 'Abrir':
self.enableOkButton(False)
namePanel.add(HTML("""<div class=""gwt-Label"" style=""white-space: normal;"">
Abra o arquivo salvo, copie<br>e cole aqui o conteudo:</div>"""))
self.field = FileUpload()
self.field.setName('file')
self.field.setID('files')
self.center.add(self.field)
element = self.field.getElement()
JS("""function handleFileSelect(evt) {@{{self}}.enableOkButton(evt.target.files[0]!=null);}
@{{element}}.addEventListener('change', handleFileSelect, false);""")
#http://www.javascriptkit.com/javatutors/loadjavascriptcss.shtml
else:
namePanel.add(HTML("""<div class=""gwt-Label"" style=""white-space: normal;"">
Crie um arquivo txt e copie<br>e cole o conteudo a seguir:</div>"""))
self.textBox = TextBox()
self.textBox.setStyleAttribute('marginLeft', 10)
namePanel.add(self.textBox)
self.center.add(namePanel)
self.textBox.addInputListener(self)
self.onInput()
def enableOkButton(self, enable):
if enable: self.okButton.removeStyleName('disabled')
else: self.okButton.addStyleName('disabled')
def onInput(self, sender):
self.enableOkButton(self.textBox.getText().count(' ') != len(self.textBox.getText()))
def myOkClick(self):
if 'disabled' not in self.okButton.getStyleName():
Popup.myOkClick(self)
if self.okClick is not None:
if self.title == 'Abrir':
files = getattr(self.field.getElement(), 'files')
file = JS("@{{files}}[0]")
if file:
JS("""var reader = new FileReader();
reader.onload = function(e) {@{{self}}.okClick(e.target.result);}
reader.readAsBinaryString(@{{file}});""")
#self.okClick(str)
else:
self.okClick(self.textBox.getText())
def myCancelClick(self):
Popup.myCancelClick(self)
if self.cancelClick is not None: self.cancelClick()
def show(self):
Popup.show(self)
if self.title != 'Abrir': self.textBox.setFocus(True)
else:
pass
class DateField(Composite, DateSelectedHandler):
img_base = None
icon_img = None
icon_style = "calendar-img"
today_text = "Today"
today_style = "calendar-today-link"
def __init__(self, format='%d-%m-%Y'):
DateSelectedHandler.__init__(self)
if self.img_base is None:
self.img_base = pygwt.getImageBaseURL(True)
if self.icon_img is None:
self.icon_img = self.img_base + 'icon_calendar.gif'
self.format = format
self.tbox = TextBox()
self.tbox.setVisibleLength(10)
# assume valid sep is - / . or nothing
if format.find('-') >= 0:
self.sep = '-'
elif format.find('/') >= 0:
self.sep = '/'
elif format.find('.') >= 0:
self.sep = '.'
else:
self.sep = ''
# self.sep = format[2] # is this too presumptious?
self.calendar = Calendar()
self.img = Image(self.icon_img)
self.img.addStyleName(self.icon_style)
self.calendarLink = HyperlinkImage(self.img)
self.todayLink = Hyperlink(self.today_text)
self.todayLink.addStyleName(self.today_style)
#
# lay it out
#
hp = HorizontalPanel()
hp.setSpacing(2)
vp = VerticalPanel()
hp.add(self.tbox)
vp.add(self.calendarLink)
vp.add(self.todayLink)
#vp.add(self.calendar)
hp.add(vp)
Composite.__init__(self)
self.initWidget(hp)
#
# done with layout, so now set up some listeners
#
self.tbox.addFocusListener(self) # hook to onLostFocus
self.calendar.addSelectedDateListener(getattr(self, "onDateSelected"))
self.todayLink.addClickListener(getattr(self, "onTodayClicked"))
self.calendarLink.addClickListener(getattr(self, "onShowCalendar"))
self.tbox.addChangeListener(getattr(self, "onFieldChanged"))
self.tbox.addInputListener(getattr(self, "onFieldChanged"))
self._last_date = None
def emitSelectedDate(self):
_d = self.getDate()
if _d == self._last_date:
return
self._last_date = _d
self.fireDateSelectedEvent(_d)
def onFieldChanged(self, event):
self.emitSelectedDate()
def getTextBox(self):
return self.tbox
def getCalendar(self):
return self.calendar
def getDate(self):
""" returns datetime.date object or None if empty/unparsable by current format"""
_sdate = self.tbox.getText()
try:
return datetime.strptime(_sdate, self.format).date()
except ValueError:
return None
def setID(self, id):
self.tbox.setID(id)
def onDateSelected(self, yyyy, mm, dd):
secs = time.mktime((int(yyyy), int(mm), int(dd), 0, 0, 0, 0, 0, -1))
d = time.strftime(self.format, time.localtime(secs))
self.tbox.setText(d)
self.emitSelectedDate()
def onLostFocus(self, sender):
#
text = self.tbox.getText().strip()
# if blank - leave it alone
if text and len(text) == 8:
# ok what format do we have? assume ddmmyyyy --> dd-mm-yyyy
txt = text[0:2] + self.sep + text[2:4] + self.sep + text[4:8]
self.tbox.setText(txt)
self.emitSelectedDate()
def onFocus(self, sender):
pass
def onTodayClicked(self, event):
today = time.strftime(self.format)
self.tbox.setText(today)
self.emitSelectedDate()
def onShowCalendar(self, sender):
txt = self.tbox.getText().strip()
try:
if txt:
_d = datetime.strptime(txt, self.format).date()
self.calendar.setDate(_d)
except ValueError: pass
p = CalendarPopup(self.calendar)
x = self.tbox.getAbsoluteLeft() + 10
y = self.tbox.getAbsoluteTop() + 10
p.setPopupPosition(x, y)
p.show()
class SongFrequency:
def __init__(self):
self.artist =''
self.start_date = ''
self.end_date = ''
self.period_search =''
self.search_option = 1
#declare the general interface widgets
self.panel = DockPanel(StyleName = 'background')
self.ret_area = TextArea()
self.ret_area.setWidth("350px")
self.ret_area.setHeight("90px")
self.options = ListBox()
self.search_button = Button("Search", getattr(self, "get_result"), StyleName = 'button')
#set up the date search panel; it has different text boxes for
#to and from search dates
self.date_search_panel = VerticalPanel()
self.date_search_start = TextBox()
self.date_search_start.addInputListener(self)
self.date_search_end = TextBox()
self.date_search_end.addInputListener(self)
self.date_search_panel.add(HTML("Enter as month/day/year", True, StyleName = 'text'))
self.date_search_panel.add(HTML("From:", True, StyleName = 'text'))
self.date_search_panel.add(self.date_search_start)
self.date_search_panel.add(HTML("To:", True, StyleName = 'text'))
self.date_search_panel.add(self.date_search_end)
#set up the artist search panel
self.artist_search = TextBox()
self.artist_search.addInputListener(self)
self.artist_search_panel = VerticalPanel()
self.artist_search_panel.add(HTML("Enter artist's name:",True,
StyleName = 'text'))
self.artist_search_panel.add(self.artist_search)
#Put together the list timespan search options
self.period_search_panel = VerticalPanel()
self.period_search_panel.add(HTML("Select a seach period:",True,
StyleName = 'text'))
self.period_search = ListBox()
self.period_search.setVisibleItemCount(1)
self.period_search.addItem("last week")
self.period_search.addItem("last month")
self.period_search.addItem("last year")
self.period_search.addItem("all time")
self.period_search_panel.add(self.period_search)
#add the listeners to the appropriate widgets
self.options.addChangeListener(self)
self.period_search.addChangeListener(self)
self.ret_area_scroll = ScrollPanel()
self.search_panel = HorizontalPanel()
self.options_panel = VerticalPanel()
# A change listener for the boxes
def onChange(self, sender):
#switch the list box options
if sender == self.options:
self.search_panel.remove(self.period_search_panel)
self.search_panel.remove(self.date_search_panel)
self.search_panel.remove(self.artist_search_panel)
index = self.options.getSelectedIndex()
if index == 0:
self.search_panel.add(self.artist_search_panel)
self.search_option = 1
elif index == 1:
self.search_panel.add(self.date_search_panel)
self.search_option = 2
elif index == 2:
self.search_panel.add(self.period_search_panel)
self.search_option = 3
elif sender == self.period_search:
index = self.period_search.getSelectedIndex()
if index == 0:
self.period_search = "last week"
elif index == 1:
self.period_search = "last month"
elif index == 2:
self.period_search = "last year"
elif index == 3:
self.period_search = "all time"
#A listener for the text boxes
def onInput(self, sender):
if sender == self.artist_search:
self.artist = sender.getText()
elif sender == self.date_search_end:
self.end_date = sender.getText()
elif sender == self.date_search_start:
self.start_date = sender.getText()
#A listener for the buttons that, when the button is clicked, looks up the results and outputs them
def get_result(self):
return_str = " "
if self.search_option == 1:
return_str = self.artist
elif self.search_option == 2:
return_str = self.start_date
elif self.search_option ==3:
return_str = self.period_search
else:
return_str = "Find the most played artist, album, or song for a time period, or the number of songs played by a certain artist"
self.ret_area.setText(return_str)
def onModuleLoad(self):
#Put together the list of options
self.options.addItem("Artist")
self.options.addItem("Date")
self.options.addItem("Time Span")
self.options.setVisibleItemCount(3)
#put the text area together
self.ret_area_scroll.add(self.ret_area)
self.ret_area.setText("Find the most played artist, album, or song for a time period, or the number of songs played by a certain artist")
#put the search items together
self.search_panel.add(self.artist_search_panel)
#Put together the options panel
self.options_panel.add(HTML("Search By:", True, StyleName = 'text'))
self.options_panel.add(self.options)
#Add everything to the main panel
self.panel.add(HTML("WQHS Song Search",True, StyleName = 'header'),
DockPanel.NORTH)
self.panel.add(self.options_panel, DockPanel.WEST)
self.panel.add(self.ret_area_scroll, DockPanel.SOUTH)
self.panel.setCellHeight(self.ret_area_scroll, "100px")
self.panel.setCellWidth(self.ret_area_scroll, "300px")
self.panel.add(self.search_button, DockPanel.EAST)
self.panel.add(self.search_panel, DockPanel.CENTER)
#Associate panel with the HTML host page
RootPanel().add(self.panel)
class Spinner(HorizontalPanel):
CHAR_WIDTH = 15
def __init__(self, minvalue=0, maxvalue=100, startvalue=10, interval=1, buttonStyleName=None, decrText='<',
incrText='>', **kwargs):
HorizontalPanel.__init__(self, **kwargs)
self.minvalue = minvalue
self.maxvalue = maxvalue
self.interval = interval
self.changeListeners = []
self.lessButton = Button(decrText, listener=self._onArrowClick, StyleName=buttonStyleName)
self.add(self.lessButton)
self.textbox = TextBox()
self.textbox.addInputListener(self._onTextboxInput)
self.add(self.textbox)
self.moreButton = Button(incrText, listener=self._onArrowClick, StyleName=buttonStyleName)
self.add(self.moreButton)
self.value = startvalue + 1
self.setValue(startvalue)
return
def _resizeTextbox(self):
width = max(2, len(self.textbox.getText())) * self.CHAR_WIDTH
if self.textbox.getWidth() != width:
self.textbox.setWidth(width)
def _onArrowClick(self, sender):
if sender == self.lessButton:
incr = -1 * self.interval
elif sender == self.moreButton:
incr = self.interval
else:
raise NotImplementedError()
val = self.getValue() + incr
self.setValue(val)
def _onTextboxInput(self, sender):
text = sender.getText()
try:
val = int(text)
except Exception:
return
self.setValue(val)
return
def addOnChangeListener(self, listener):
self.changeListeners.append(listener)
def removeOnChangeListener(self, listener):
self.changeListeners.remove(listener)
def getValue(self):
return self.value
def setValue(self, value):
fixedval = min(self.maxvalue, value)
fixedval = max(self.minvalue, fixedval)
if fixedval == self.value:
return
self.value = fixedval
self.textbox.setText(str(self.value))
self._resizeTextbox()
self.raiseOnChanged()
def raiseOnChanged(self):
for c in self.changeListeners:
c(self.value)
