class Calendar(FocusPanel):
def __init__(self, **kwargs):
FocusPanel.__init__(self, **kwargs)
self.monthsOfYear = ['Jan','Feb','Mar','Apr','May','Jun','Jul','Aug','Sep','Oct','Nov','Dec']
self.daysOfWeek = ['S','M','T','W','T','F','S']
yr,mth,day = time.strftime("%Y-%m-%d").split("-")
self.todayYear = int(yr)
self.todayMonth = int(mth) # change to offset 0 as per javascript
self.todayDay = int(day)
self.currentMonth = self.todayMonth
self.currentYear = self.todayYear
self.currentDay = self.todayDay
self.selectedDateListeners = []
self.defaultGrid = None # used later
return
def addSelectedDateListener(self,listener):
self.selectedDateListeners.append(listener)
def removeSelectedDateListener(self,listener):
self.selectedDateListeners.remove(listener)
def isLeapYear(self,year):
if (year % 4 == 0 and year % 100 != 0) or ( year % 400 == 0):
return True
else:
return False
def getDaysInMonth(self,mth,year):
days = 0
if (mth == 1 or mth == 3 or mth == 5 or mth == 7 or mth == 8 or mth == 10 or mth == 12): # in (1,3,5,7,8,10,12):
days=31
elif mth == 4 or mth == 6 or mth == 8 or mth == 11: #in (4,6,8,11):
days = 30
elif (mth==2 and self.isLeapYear(year)):
days = 29
else:
days = 28
return days
def setPosition(self, left, top):
element = self.getElement()
DOM.setStyleAttribute(element, "left", "%dpx" % left)
DOM.setStyleAttribute(element, "top", "%dpx" % top)
def show(self, left, top):
if left < 0:
left = 0
if top < 0:
top = 0
self.setPosition(left,top)
self.drawCurrent()
self.setVisible(True)
def drawCurrent(self):
yr,mth,day = time.strftime("%Y-%m-%d").split("-")
self.draw( int(mth), int(yr) )
def draw(self, month , year):
tod = time.localtime()
mm = tod.tm_mon
yy = tod.tm_year
# has today changed and thus changed month? cater to rare case where widget in created on last day of month &
# page left till next day
hasChangeMonth = False
if yy <> self.todayYear or mm <> self.todayMonth:
hasChangeMonth = True
self.todayYear = yy
self.todayMonth = mm
# check to see if we have drawn the full widget before
if self.defaultGrid is None:
self.drawFull(month,year)
else:
# ok means we are re-drawing, but first check if it is the same as the defaultGrid, if yes, just use it
if not hasChangeMonth and month == self.todayMonth and year == self.todayYear:
self.middlePanel.setWidget(self.defaultGrid)
self.currentMonth = self.todayMonth
self.currentYear = self.todayYear
else:
# we have to redraw the grid -- bah
g = self.drawGrid(month,year)
if hasChangeMonth:
self.defaultGrid = grid # reset the default grid as we have changed months
#
# what about the title panel?
#
self.titlePanel.setWidget(HTML("<b>" + self.monthsOfYear[month-1] + " " + str(year) + "</b>" ) )
self.setVisible(True)
return
def drawFull(self, month, year):
# should be called only once when we draw the calendar for the first time
#
self.vp = VerticalPanel()
self.vp.setSpacing(2)
self.vp.addStyleName("calendarbox calendar-module calendar")
self.setWidget(self.vp)
self.setVisible(False)
#
mth = int(month)
yr = int(year)
tp = HorizontalPanel()
tp.addStyleName("calendar-top-panel")
tp.setSpacing(5)
h1 = Hyperlink('<<')
h1.addClickListener( getattr(self,'onPreviousYear') )
h2 = Hyperlink('<')
h2.addClickListener( getattr(self,'onPreviousMonth') )
h4 = Hyperlink('>')
h4.addClickListener( getattr(self,'onNextMonth') )
h5 = Hyperlink('>>')
h5.addClickListener( getattr(self,'onNextYear') )
tp.add(h1)
tp.add(h2)
# titlePanel can be changed, whenever we draw, so keep the reference
self.titlePanel = SimplePanel()
self.titlePanel.setWidget(HTML("<b>" + self.monthsOfYear[mth-1] + " " + str(yr) + "</b>" ) )
self.titlePanel.setStyleName("calendar-center")
tp.add( self.titlePanel )
tp.add(h4)
tp.add(h5)
tvp = VerticalPanel()
tvp.setSpacing(10)
tvp.add(tp)
self.vp.add(tvp)
# done with top panel
self.middlePanel = SimplePanel()
grid = self.drawGrid(mth,yr)
self.middlePanel.setWidget(grid)
self.vp.add(self.middlePanel)
self.defaultGrid = grid
#
# some links & handlers
#
bh1 = Hyperlink('Yesterday')
bh1.addClickListener( getattr(self,'onYesterday') )
bh2 = Hyperlink('Today')
bh2.addClickListener( getattr(self,'onToday') )
bh3 = Hyperlink('Tomorrow')
bh3.addClickListener( getattr(self,'onTomorrow') )
bh4 = Hyperlink('Cancel')
bh4.addClickListener( getattr(self,'onCancel') )
#
# add code to test another way of doing the layout
#
b = HorizontalPanel()
b.add(bh1)
b.add(bh2)
b.add(bh3)
b.addStyleName("calendar-shortcuts")
self.vp.add(b)
b2 = SimplePanel()
b2.add(bh4)
b2.addStyleName("calendar-cancel")
self.vp.add(b2)
self.setVisible(True)
return
def drawGrid(self,month,year):
# draw the grid in the middle of the calendar
daysInMonth = self.getDaysInMonth(month, year)
secs = time.mktime( (year,month,1,0,0,0,0,0,-1) ) # first day of the month & year
struct = time.localtime(secs)
startPos = (struct.tm_wday + 1 ) % 7 # 0 - sunday for our needs instead 0 = monday in tm_wday
slots = startPos + daysInMonth - 1
rows = int(slots/7) + 1
grid = Grid(rows+1, 7) # extra row for the days in the week
grid.setWidth("100%")
grid.addTableListener(self)
self.middlePanel.setWidget(grid)
#
# put some content into the grid cells
#
for i in range(7):
grid.setText(0, i, self.daysOfWeek[i] )
grid.cellFormatter.addStyleName(0,i,"calendar-header")
#
# draw cells which are empty first
#
day =0
pos = 0
while pos < startPos:
grid.setText(1, pos , " ")
grid.cellFormatter.setStyleAttr(1,pos,"background","#f3f3f3")
grid.cellFormatter.addStyleName(1,pos,"calendar-blank-cell")
pos += 1
# now for days of the month
row = 1
day = 1
col = startPos
while day <= daysInMonth:
if pos % 7 == 0 and day <> 1:
row += 1
col = pos % 7
grid.setText(row,col, str(day) )
if self.currentYear == self.todayYear and self.currentMonth == self.todayMonth and day == self.todayDay:
grid.cellFormatter.addStyleName(row,col,"calendar-cell-today")
else:
grid.cellFormatter.addStyleName(row,col,"calendar-day-cell")
day += 1
pos += 1
#
# now blank lines on the last row
#
col += 1
while col < 7:
grid.setText(row,col," ")
grid.cellFormatter.setStyleAttr(row,col,"background","#f3f3f3")
grid.cellFormatter.addStyleName(row,col,"calendar-blank-cell")
col += 1
return grid
def onCellClicked(self, grid, row, col):
if row == 0:
return
text = grid.getText(row, col)
if text == "":
return
selectedDay = int(text)
# well if anyone is listening to the listener, fire that event
for listener in self.selectedDateListeners:
if hasattr(listener, "onDateSelected"):
listener.onDateSelected(self.currentYear, self.currentMonth,
selectedDay)
else:
listener(self.currentYear, self.currentMonth, selectedDay)
self.setVisible(False)
def onPreviousYear(self,event):
self.drawPreviousYear()
def onPreviousMonth(self,event):
self.drawPreviousMonth()
def onNextMonth(self,event):
self.drawNextMonth()
def onNextYear(self,event):
self.drawNextYear()
def onDate(self, event, yy, mm, dd):
for listener in self.selectedDateListeners:
if hasattr(listener, "onDateSelected"):
listener.onDateSelected(yy,mm,dd)
else:
listener(yy,mm,dd)
self.setVisible(False)
def onYesterday(self,event):
yesterday = time.localtime(time.time() - 3600 * 24)
mm = yesterday.tm_mon
dd = yesterday.tm_mday
yy = yesterday.tm_year
self.onDate(event, yy, mm, dd)
def onToday(self,event):
tod = time.localtime()
mm = tod.tm_mon
dd = tod.tm_mday
yy = tod.tm_year
self.onDate(event, yy, mm, dd)
def onTomorrow(self,event):
tom = time.localtime(time.time() + 3600 * 24)
mm = tom.tm_mon
dd = tom.tm_mday
yy = tom.tm_year
self.onDate(event, yy, mm, dd)
def onCancel(self,event):
self.setVisible(False)
def drawCurrent(self):
yr,mth,day = time.strftime("%Y-%m-%d").split("-")
self.draw( int(mth), int(yr) )
def drawDate(self, month, year ):
# if year == self.currentYear and month == self.currentYear():
# self.drawCurrent()
self.currentMonth = month
self.currentYear = year
self.draw(self.currentMonth, self.currentYear)
def drawPreviousMonth(self):
if int(self.currentMonth) == 1:
self.currentMonth = 12
self.currentYear = int(self.currentYear) - 1
else:
self.currentMonth = int(self.currentMonth) - 1
self.draw(self.currentMonth, self.currentYear)
def drawNextMonth(self):
if int(self.currentMonth) == 12:
self.currentMonth = 1
self.currentYear = int(self.currentYear) + 1
else:
self.currentMonth = int(self.currentMonth) + 1
self.draw(self.currentMonth, self.currentYear)
def drawPreviousYear(self):
self.currentYear = int(self.currentYear) - 1
self.draw(self.currentMonth, self.currentYear)
def drawNextYear(self):
self.currentYear = int(self.currentYear) + 1
self.draw(self.currentMonth, self.currentYear)
class Calendar(FocusPanel):
monthsOfYear = [
'Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct',
'Nov', 'Dec'
]
daysOfWeek = ['S', 'M', 'T', 'W', 'T', 'F', 'S']
today = 'Today'
tomorrow = 'Tomorrow'
yesterday = 'Yesterday'
cancel = 'Cancel'
def __init__(self, **kwargs):
FocusPanel.__init__(self, **kwargs)
yr, mth, day = time.strftime("%Y-%m-%d").split("-")
self.todayYear = int(yr)
self.todayMonth = int(mth) # change to offset 0 as per javascript
self.todayDay = int(day)
self.currentMonth = self.todayMonth
self.currentYear = self.todayYear
self.currentDay = self.todayDay
self.selectedDateListeners = []
self.defaultGrid = None # used later
return
def getMonthsOfYear(self):
return self.monthsOfYear
def getDaysOfWeek(self):
return self.daysOfWeek
def addSelectedDateListener(self, listener):
self.selectedDateListeners.append(listener)
def removeSelectedDateListener(self, listener):
self.selectedDateListeners.remove(listener)
def isLeapYear(self, year):
if (year % 4 == 0 and year % 100 != 0) or (year % 400 == 0):
return True
else:
return False
def getDaysInMonth(self, mth, year):
days = 0
if (mth == 1 or mth == 3 or mth == 5 or mth == 7 or mth == 8
or mth == 10 or mth == 12): # in (1,3,5,7,8,10,12):
days = 31
elif mth == 4 or mth == 6 or mth == 8 or mth == 11: #in (4,6,8,11):
days = 30
elif (mth == 2 and self.isLeapYear(year)):
days = 29
else:
days = 28
return days
def setPosition(self, left, top):
element = self.getElement()
DOM.setStyleAttribute(element, "left", "%dpx" % left)
DOM.setStyleAttribute(element, "top", "%dpx" % top)
def show(self, left, top):
if left < 0:
left = 0
if top < 0:
top = 0
self.setPosition(left, top)
self.drawCurrent()
self.setVisible(True)
def drawCurrent(self):
yr, mth, day = time.strftime("%Y-%m-%d").split("-")
self.draw(int(mth), int(yr))
def draw(self, month, year):
tod = time.localtime()
mm = tod.tm_mon
yy = tod.tm_year
# has today changed and thus changed month? cater to rare case where widget in created on last day of month &
# page left till next day
hasChangeMonth = False
if yy <> self.todayYear or mm <> self.todayMonth:
hasChangeMonth = True
self.todayYear = yy
self.todayMonth = mm
# check to see if we have drawn the full widget before
if self.defaultGrid is None:
self.drawFull(month, year)
else:
# ok means we are re-drawing, but first check if it is the same as the defaultGrid, if yes, just use it
if not hasChangeMonth and month == self.todayMonth and year == self.todayYear:
self.middlePanel.setWidget(self.defaultGrid)
self.currentMonth = self.todayMonth
self.currentYear = self.todayYear
else:
# we have to redraw the grid -- bah
g = self.drawGrid(month, year)
if hasChangeMonth:
self.defaultGrid = grid # reset the default grid as we have changed months
#
# what about the title panel?
#
self.titlePanel.setWidget(
HTML("<b>" + self.getMonthsOfYear()[month - 1] + " " +
str(year) + "</b>"))
self.setVisible(True)
return
def drawFull(self, month, year):
# should be called only once when we draw the calendar for the first time
#
self.vp = VerticalPanel()
self.vp.setSpacing(2)
self.vp.addStyleName("calendarbox calendar-module calendar")
self.setWidget(self.vp)
self.setVisible(False)
#
mth = int(month)
yr = int(year)
tp = HorizontalPanel()
tp.addStyleName("calendar-top-panel")
tp.setSpacing(5)
h1 = Hyperlink('<<')
h1.addClickListener(getattr(self, 'onPreviousYear'))
h2 = Hyperlink('<')
h2.addClickListener(getattr(self, 'onPreviousMonth'))
h4 = Hyperlink('>')
h4.addClickListener(getattr(self, 'onNextMonth'))
h5 = Hyperlink('>>')
h5.addClickListener(getattr(self, 'onNextYear'))
tp.add(h1)
tp.add(h2)
# titlePanel can be changed, whenever we draw, so keep the reference
self.titlePanel = SimplePanel()
self.titlePanel.setWidget(
HTML("<b>" + self.getMonthsOfYear()[mth - 1] + " " + str(yr) +
"</b>"))
self.titlePanel.setStyleName("calendar-center")
tp.add(self.titlePanel)
tp.add(h4)
tp.add(h5)
tvp = VerticalPanel()
tvp.setSpacing(10)
tvp.add(tp)
self.vp.add(tvp)
# done with top panel
self.middlePanel = SimplePanel()
grid = self.drawGrid(mth, yr)
self.middlePanel.setWidget(grid)
self.vp.add(self.middlePanel)
self.defaultGrid = grid
#
# some links & handlers
#
bh1 = Hyperlink(self.yesterday)
bh1.addClickListener(getattr(self, 'onYesterday'))
bh2 = Hyperlink(self.today)
bh2.addClickListener(getattr(self, 'onToday'))
bh3 = Hyperlink(self.tomorrow)
bh3.addClickListener(getattr(self, 'onTomorrow'))
bh4 = Hyperlink(self.cancel)
bh4.addClickListener(getattr(self, 'onCancel'))
#
# add code to test another way of doing the layout
#
b = HorizontalPanel()
b.add(bh1)
b.add(bh2)
b.add(bh3)
b.addStyleName("calendar-shortcuts")
self.vp.add(b)
b2 = SimplePanel()
b2.add(bh4)
b2.addStyleName("calendar-cancel")
self.vp.add(b2)
self.setVisible(True)
return
def drawGrid(self, month, year):
# draw the grid in the middle of the calendar
daysInMonth = self.getDaysInMonth(month, year)
secs = time.mktime((year, month, 1, 0, 0, 0, 0, 0,
-1)) # first day of the month & year
struct = time.localtime(secs)
startPos = (
struct.tm_wday +
1) % 7 # 0 - sunday for our needs instead 0 = monday in tm_wday
slots = startPos + daysInMonth - 1
rows = int(slots / 7) + 1
grid = Grid(rows + 1, 7) # extra row for the days in the week
grid.setWidth("100%")
grid.addTableListener(self)
self.middlePanel.setWidget(grid)
#
# put some content into the grid cells
#
for i in range(7):
grid.setText(0, i, self.getDaysOfWeek()[i])
grid.cellFormatter.addStyleName(0, i, "calendar-header")
#
# draw cells which are empty first
#
day = 0
pos = 0
while pos < startPos:
grid.setText(1, pos, " ")
grid.cellFormatter.setStyleAttr(1, pos, "background", "#f3f3f3")
grid.cellFormatter.addStyleName(1, pos, "calendar-blank-cell")
pos += 1
# now for days of the month
row = 1
day = 1
col = startPos
while day <= daysInMonth:
if pos % 7 == 0 and day <> 1:
row += 1
col = pos % 7
grid.setText(row, col, str(day))
if self.currentYear == self.todayYear and self.currentMonth == self.todayMonth and day == self.todayDay:
grid.cellFormatter.addStyleName(row, col,
"calendar-cell-today")
else:
grid.cellFormatter.addStyleName(row, col, "calendar-day-cell")
day += 1
pos += 1
#
# now blank lines on the last row
#
col += 1
while col < 7:
grid.setText(row, col, " ")
grid.cellFormatter.setStyleAttr(row, col, "background", "#f3f3f3")
grid.cellFormatter.addStyleName(row, col, "calendar-blank-cell")
col += 1
return grid
def onCellClicked(self, grid, row, col):
if row == 0:
return
text = grid.getText(row, col)
if text == "":
return
selectedDay = int(text)
# well if anyone is listening to the listener, fire that event
for listener in self.selectedDateListeners:
if hasattr(listener, "onDateSelected"):
listener.onDateSelected(self.currentYear, self.currentMonth,
selectedDay)
else:
listener(self.currentYear, self.currentMonth, selectedDay)
self.setVisible(False)
def onPreviousYear(self, event):
self.drawPreviousYear()
def onPreviousMonth(self, event):
self.drawPreviousMonth()
def onNextMonth(self, event):
self.drawNextMonth()
def onNextYear(self, event):
self.drawNextYear()
def onDate(self, event, yy, mm, dd):
for listener in self.selectedDateListeners:
if hasattr(listener, "onDateSelected"):
listener.onDateSelected(yy, mm, dd)
else:
listener(yy, mm, dd)
self.setVisible(False)
def onYesterday(self, event):
yesterday = time.localtime(time.time() - 3600 * 24)
mm = yesterday.tm_mon
dd = yesterday.tm_mday
yy = yesterday.tm_year
self.onDate(event, yy, mm, dd)
def onToday(self, event):
tod = time.localtime()
mm = tod.tm_mon
dd = tod.tm_mday
yy = tod.tm_year
self.onDate(event, yy, mm, dd)
def onTomorrow(self, event):
tom = time.localtime(time.time() + 3600 * 24)
mm = tom.tm_mon
dd = tom.tm_mday
yy = tom.tm_year
self.onDate(event, yy, mm, dd)
def onCancel(self, event):
self.setVisible(False)
def drawCurrent(self):
yr, mth, day = time.strftime("%Y-%m-%d").split("-")
self.draw(int(mth), int(yr))
def drawDate(self, month, year):
# if year == self.currentYear and month == self.currentYear():
# self.drawCurrent()
self.currentMonth = month
self.currentYear = year
self.draw(self.currentMonth, self.currentYear)
def drawPreviousMonth(self):
if int(self.currentMonth) == 1:
self.currentMonth = 12
self.currentYear = int(self.currentYear) - 1
else:
self.currentMonth = int(self.currentMonth) - 1
self.draw(self.currentMonth, self.currentYear)
def drawNextMonth(self):
if int(self.currentMonth) == 12:
self.currentMonth = 1
self.currentYear = int(self.currentYear) + 1
else:
self.currentMonth = int(self.currentMonth) + 1
self.draw(self.currentMonth, self.currentYear)
def drawPreviousYear(self):
self.currentYear = int(self.currentYear) - 1
self.draw(self.currentMonth, self.currentYear)
def drawNextYear(self):
self.currentYear = int(self.currentYear) + 1
self.draw(self.currentMonth, self.currentYear)
