class Task(dict):
'''Main Task class for ToDo.py Has keys Task, ID and Subtasks'''
def __init__(self, win, Task=None, ID=None, Subtasks=None, Parent=None):
self['Task'] = Task if Task is not None else "ToDo List"
self['ID'] = ID if ID is not None else 0
self['Subtasks'] = Subtasks if Subtasks is not None else []
self.win = win
self.parent = Parent if Parent is not None else self
self.scroll = 0
self.ec = EventChecker(win)
self.ec.addTrigger(self.scrollDown, 10)
self.ec.addTrigger(self.scrollUp, 11)
def saveTasks(self, path):
'''Save tasks to .ToDo.json file.'''
if len(self.get('Subtasks')) > 0:
self.sortTasks()
else:
self['Subtasks'] = []
f = open(path, 'w')
json.dump(self.get('Subtasks'), f)
f.close()
def loadTasks(self, path):
'''Load tasks from .ToDo.json file to 'Subtasks'.'''
try:
f = open(path, 'r')
self['Subtasks'] = json.loads(f.read())
self.convertDictsToTasks()
f.close()
except Exception, e:
self.saveTasks(path)
class Helper():
def __init__(self, win):
self.win = win
self.ec = EventChecker(win)
self.ec.addTrigger(self.scrollDown, ord('j'))
self.ec.addTrigger(self.scrollUp, ord('k'))
self.ec.addTrigger(self.scrollDown, 10)
self.ec.addTrigger(self.scrollUp, 11)
self.scroll = 0
self.f = self.getHelpTxt()
def display(self):
'''Display help text file, scrollable with 'j' and 'k'.'''
try:
h, w = self.win.getmaxyx()
fl = self.f.readlines()
self.scroll = 0
while True:
s = ""
for i in range(h-4):
if self.scroll+i < len(fl):
s += fl[(self.scroll+i)%len(fl)]
self.win.erase()
self.win.addstr(2, 0, s)
curses.curs_set(0) # Hide cursor
event = self.ec.check()
if event == 13:
break
except Exception, e:
self.win.erase()
drawMessage(str(e)+"\n Press ENTER.", self.win)
def __init__(self, win):
self.win = win
self.ec = EventChecker(win)
self.ec.addTrigger(self.scrollDown, ord('j'))
self.ec.addTrigger(self.scrollUp, ord('k'))
self.ec.addTrigger(self.scrollDown, 10)
self.ec.addTrigger(self.scrollUp, 11)
self.scroll = 0
self.f = self.getHelpTxt()
def __init__(self, win):
self.text = ""
self.bl = 0
self.br = 0
self.win = win
self.ec = EventChecker(win)
self.ec.addTrigger(self.removeChar, 127) #backspace macos
self.ec.addTrigger(self.removeChar, curses.KEY_BACKSPACE) #other os
self.ec.addTrigger(self.addChar, 'rest') #all other keys
def __init__(self, win, Task=None, ID=None, Subtasks=None, Parent=None):
self['Task'] = Task if Task is not None else "ToDo List"
self['ID'] = ID if ID is not None else 0
self['Subtasks'] = Subtasks if Subtasks is not None else []
self.win = win
self.parent = Parent if Parent is not None else self
self.scroll = 0
self.ec = EventChecker(win)
self.ec.addTrigger(self.scrollDown, 10)
self.ec.addTrigger(self.scrollUp, 11)
class CommandBox():
'''The CommandBox class for ToDo.py'''
def __init__(self, win):
self.text = ""
self.bl = 0
self.br = 0
self.win = win
self.ec = EventChecker(win)
self.ec.addTrigger(self.removeChar, 127) #backspace macos
self.ec.addTrigger(self.removeChar, curses.KEY_BACKSPACE) #other os
self.ec.addTrigger(self.addChar, 'rest') #all other keys
def check(self):
'''Wait and check for an event (keyboard or other).'''
event = self.win.getch()
event = self.ec.check(event)
return event
def drawRect(self):
'''Draws commandbox rectangle.'''
h, w = self.win.getmaxyx()
textpad.rectangle(self.win, h-3, 1, h-1, w-2)
def drawText(self):
'''Draw vistext within rectangel.'''
if self.text < self.getRmVistextThresh():
self.bl = 0
self.br = len(self.text)
h = self.win.getmaxyx()[0]
self.win.addstr(h-2, 2, self.getVistext())
def draw(self):
'''Draw all CommandBox elements.'''
self.drawRect()
self.drawText()
def addChar(self, char):
'''Add char to end of string and adjust vistext.'''
char = chr(char)
self.text = self.text+char
self.br += 1
if self.br - self.bl > self.getMaxVistextLen():
self.bl += 1
def removeChar(self):
if not len(self.text):
return
'''Remove char from end of string and adjust vistext.'''
self.text = self.text[:-1]
thresh = self.getRmVistextThresh()
self.br -= 1
if self.br - self.bl <= thresh and len(self.text) > thresh:
self.bl -= 1
def getMaxVistextLen(self):
'''Get max drawable string length for self.vistext.'''
w = self.win.getmaxyx()[1]
return w - 5
def getRmVistextThresh(self):
'''Get string length threshold for when to scroll back vistext.'''
return int(self.getMaxVistextLen()*2/3)
def getVistext(self):
return self.text[self.bl:][:self.br]
def shuffleVistext(self, n):
self.bl += n
self.br += n
def reset(self):
self.resetText()
self.resetCursor()
def resetText(self):
'''Resets the text buffers and moves cursor to start of textbox.'''
h = self.win.getmaxyx()[0]
self.text = ""
self.bl = 0
self.br = 0
def resetCursor(self):
h = self.win.getmaxyx()[0]
self.win.move(h-2, 2)
