wxWidgets/utils/wxPython/lib/calendar.py
1999-11-10 22:47:12 +00:00

478 lines
12 KiB
Python

#! /usr/local/bin/python
#----------------------------------------------------------------------------
# Name: calendar.py
# Purpose: Calendar display control
#
# Author: Lorne White (email: lwhite1@planet.eon.net)
#
# Created:
# Version 0.5 1999/11/03
# Licence: wxWindows license
#----------------------------------------------------------------------------
from wxPython.wx import *
from CDate import *
import string, time
CalDays = [6, 0, 1, 2, 3, 4, 5]
AbrWeekday = {6:"Sun", 0:"Mon", 1:"Tue", 2:"Wed", 3:"Thu", 4:"Fri", 5:"Sat"}
_MIDSIZE = 100
# calendar drawing routing
class CalDraw:
def __init__(self):
self.rg = {}
self.y_st = 15 # start of vertical draw default
def SetSize(self, size):
self.sizew = size.width
self.sizeh = size.height
# draw the various elements of the calendar
def DrawCal(self, DC, sel_lst):
self.DC = DC
self.DrawBorder()
if self.hide_title is FALSE:
self.DrawMonth()
self.Center()
self.DrawGrid()
self.GetRect()
self.DrawSel(sel_lst) # highlighted days
self.DrawWeek()
self.DrawNum()
# draw border around the outside of the main display rectangle
def DrawBorder(self):
rect = wxRect(0, 0, self.sizew, self.sizeh) # full display window area
self.DC.DrawRectangle(rect.x, rect.y, rect.width, rect.height)
def DrawNumVal(self):
self.DrawNum()
# calculate the calendar days and offset position
def SetCal(self, year, month):
self.year = year
self.month = month
day = 1
t = Date(year, month, day)
dow = t.day_of_week # start day in month
dim = t.days_in_month # number of days in month
start_pos = dow+1
self.st_pos = start_pos
self.cal = []
for i in range(start_pos):
self.cal.append('')
i = 1
while i <= dim:
self.cal.append(str(i))
i = i + 1
return start_pos
# get the display rectange list of the day grid
def GetRect(self):
cnt = 0
for y in self.gridy[1:-1]:
for x in self.gridx[:-1]:
rect = wxRect(x, y, self.dl_w, self.dl_h) # create rect region
self.rg[cnt] = rect
cnt = cnt + 1
return self.rg
def GetCal(self):
return self.cal
def GetOffset(self):
return self.st_pos
# month and year title
def DrawMonth(self):
month = Month[self.month]
sizef = 12
if self.sizeh < _MIDSIZE:
sizef = 10
f = wxFont(sizef, self.font, wxNORMAL, self.bold)
self.DC.SetFont(f)
tw,th = self.DC.GetTextExtent(month)
adjust = (self.sizew-tw)/2
self.DC.DrawText(month, adjust, 10)
year = str(self.year)
tw,th = self.DC.GetTextExtent(year)
adjust = self.sizew-tw-20
self.y_st = th * 3
f = wxFont(sizef, self.font, wxNORMAL, self.bold)
self.DC.SetFont(f)
self.DC.DrawText(year, adjust, 10)
# draw the week days
def DrawWeek(self):
sizef = 10
if self.sizeh < _MIDSIZE:
sizef = 8
f = wxFont(sizef, self.font, wxNORMAL, self.bold)
self.DC.SetFont(f)
cnt_x = 0
cnt_y = 0
width = self.gridx[1]-self.gridx[0]
height = self.gridy[1] - self.gridy[0]
for val in CalDays:
day = AbrWeekday[val]
if self.sizew < 200:
day = day[0]
dw,dh = self.DC.GetTextExtent(day)
diffx = (width-dw)/2
diffy = (height-dh)/2
x = self.gridx[cnt_x]
y = self.gridy[cnt_y]
self.DC.DrawText(day, x+diffx, y+diffy)
cnt_x = cnt_x + 1
# draw the day numbers
def DrawNum(self):
sizef = 10
if self.sizeh < _MIDSIZE:
sizef = 8
f = wxFont(sizef, self.font, wxNORMAL, self.bold)
self.DC.SetFont(f)
cnt_x = 0
cnt_y = 1
for val in self.cal:
x = self.gridx[cnt_x]
y = self.gridy[cnt_y]
self.DC.DrawText(val, x+5, y+5)
if cnt_x < 6:
cnt_x = cnt_x + 1
else:
cnt_x = 0
cnt_y = cnt_y + 1
# calculate the dimensions in the center of the drawing area
def Center(self):
self.x_st = 10
self.y_end = 10
bdw = self.x_st * 2
bdh = self.y_st + self.y_end
self.dl_w = (self.sizew-bdw)/7
self.dl_h = (self.sizeh-bdh)/7
self.cwidth = self.dl_w * 7
self.cheight = self.dl_h * 6 + self.dl_h/2
# highlighted selectioned days
def DrawSel(self, sel_lst):
for key in sel_lst:
brush = wxBrush(wxNamedColour(self.high_color), wxSOLID)
self.DC.SetBrush(brush)
if self.hide_grid is FALSE:
self.DC.SetPen(wxPen(wxNamedColour(self.grid_color), 0))
else:
self.DC.SetPen(wxPen(wxNamedColour(self.back_color), 0))
nkey = key + self.st_pos -1
rect = self.rg[nkey]
self.DC.DrawRectangle(rect.x, rect.y, rect.width+1, rect.height+1)
# calculate and draw the grid lines
def DrawGrid(self):
self.DC.SetPen(wxPen(wxNamedColour(self.grid_color), 0))
self.gridx = []
self.gridy = []
x1 = self.x_st
y1 = self.y_st
y1 = self.y_st
y2 = self.y_st + self.cheight
for i in range(8):
if self.hide_grid is FALSE:
self.DC.DrawLine(x1, y1, x1, y2)
self.gridx.append(x1)
x1 = x1 + self.dl_w
x1 = self.x_st
y1 = self.y_st
x2 = self.x_st + self.cwidth
for i in range(8):
if self.hide_grid is FALSE:
self.DC.DrawLine(x1, y1, x2, y1)
self.gridy.append(y1)
if i == 0:
y1 = y1 + self.dl_h/2
else:
y1 = y1 + self.dl_h
class wxCalendar(wxWindow):
def __init__(self, parent, id, pos=wxDefaultPosition, size=wxDefaultSize):
wxWindow.__init__(self, parent, id, pos, size)
# set the calendar control attributes
self.grid_color = 'BLACK'
self.back_color = 'WHITE'
self.sel_color = 'RED'
self.high_color = 'LIGHT BLUE'
self.font = wxSWISS
self.bold = wxNORMAL
self.SetBackgroundColour(wxNamedColor(self.back_color))
self.Connect(-1, -1, wxEVT_LEFT_DOWN, self.OnLeftEvent)
self.Connect(-1, -1, wxEVT_LEFT_DCLICK, self.OnLeftDEvent)
self.Connect(-1, -1, wxEVT_RIGHT_DOWN, self.OnRightEvent)
self.Connect(-1, -1, wxEVT_RIGHT_DCLICK, self.OnRightDEvent)
self.sel_key = None # last used by
self.sel_lst = [] # highlighted selected days
self.SetNow() # default calendar for current month
self.size = None
self.hide_title = FALSE
self.hide_grid = FALSE
self.set_day = None
# control some of the main calendar attributes
def HideTitle(self):
self.hide_title = TRUE
def HideGrid(self):
self.hide_grid = TRUE
# determine the calendar rectangle click area and draw a selection
def ProcessClick(self, event):
self.x, self.y = event.GetX(), event.GetY()
key = self.GetDayHit(self.x, self.y)
self.SelectDay(key)
# tab mouse click events and process
def OnLeftEvent(self, event):
self.click = 'LEFT'
self.ProcessClick(event)
def OnLeftDEvent(self, event):
self.click = 'DLEFT'
self.ProcessClick(event)
def OnRightEvent(self, event):
self.click = 'RIGHT'
self.ProcessClick(event)
def OnRightDEvent(self, event):
self.click = 'DRIGHT'
self.ProcessClick(event)
def SetSize(self, set_size):
self.size = set_size
def SetSelDay(self, sel):
self.sel_lst = sel # list of highlighted days
# get the current date
def SetNow(self):
dt = now()
self.month = dt.month
self.year = dt.year
self.day = dt.day
# set the current day
def SetCurrentDay(self):
self.SetNow()
self.set_day = self.day
# get the date, day, month, year set in calendar
def GetDate(self):
return self.day, self.month, self.year
def GetDay(self):
return self.day
def GetMonth(self):
return self.month
def GetYear(self):
return self.year
# set the day, month, and year
def SetDayValue(self, day):
self.set_day = day
def SetMonth(self, month):
if month >= 1 and month <= 12:
self.month = month
else:
self.month = 1
self.set_day = None
def SetYear(self, year):
self.year = year
# increment year and month
def IncYear(self):
self.year = self.year + 1
self.set_day = None
def DecYear(self):
self.year = self.year - 1
self.set_day = None
def IncMonth(self):
self.month = self.month + 1
if self.month > 12:
self.month = 1
self.year = self.year + 1
self.set_day = None
def DecMonth(self):
self.month = self.month - 1
if self.month < 1:
self.month = 12
self.year = self.year - 1
self.set_day = None
# test to see if the selection has a date and create event
def TestDay(self, key):
try:
self.day = int(self.cal[key])
except:
return None
if self.day == "":
return None
else:
evt = wxPyCommandEvent(2100, self.GetId())
evt.click, evt.day, evt.month, evt.year = self.click, self.day, self.month, self.year
self.GetEventHandler().ProcessEvent(evt)
self.set_day = self.day
return key
# find the clicked area rectangle
def GetDayHit(self, mx, my):
for key in self.rg.keys():
val = self.rg[key]
rt = wxRegion()
rt.Union(val)
if rt.Contains(mx, my) != 0:
result = self.TestDay(key)
return result
return None
# calendar drawing
def OnPaint(self, event):
DC = wxPaintDC(self)
self.DoDrawing(DC)
def DoDrawing(self, DC):
DC = wxPaintDC(self)
DC.BeginDrawing()
self.cal = cal = CalDraw()
if self.size is None:
size = self.GetClientSize()
else:
size = self.size
# drawing attributes
cal.hide_title = self.hide_title
cal.hide_grid = self.hide_grid
cal.grid_color = self.grid_color
cal.high_color = self.high_color
cal.back_color = self.back_color
cal.font = self.font
cal.bold = self.bold
cal.SetSize(size)
cal.SetCal(self.year, self.month)
cal.DrawCal(DC, self.sel_lst)
self.rg = cal.GetRect()
self.cal = cal.GetCal()
self.st_pos = cal.GetOffset()
self.ymax = DC.MaxY()
if self.set_day != None:
self.SetDay(self.set_day)
DC.EndDrawing()
# draw the selection rectangle
def DrawRect(self, key, color = 'BLACK', width = 0):
if key == None:
return
DC = wxClientDC(self)
DC.BeginDrawing()
brush = wxBrush(wxColour(0, 0xFF, 0x80), wxTRANSPARENT)
DC.SetBrush(brush)
DC.SetPen(wxPen(wxNamedColour(color), width))
rect = self.rg[key]
DC.DrawRectangle(rect.x, rect.y, rect.width+1, rect.height+1)
DC.EndDrawing()
# set the day selection
def SetDay(self, day):
day = day + self.st_pos - 1
self.SelectDay(day)
def SelectDay(self, key):
sel_size = 1
self.DrawRect(self.sel_key, self.back_color, sel_size) # clear large selection
if self.hide_grid is FALSE:
self.DrawRect(self.sel_key, self.grid_color)
self.DrawRect(key, self.sel_color, sel_size)
self.sel_key = key # store last used by
self.select_day = None
def ClearDsp(self):
self.Clear()