StudyAssistant/MainWindow.py at main · Xuanghdu/StudyAssistant · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
from CustomControl import TabWidget

from DayTab import DayTab

from GlobalData import *

from MonthTab import MonthTab

from NewTaskTab import NewTaskTab

from datetime import datetime

from PyQt5.QtCore import QLocale, QTimer

from PyQt5.QtGui import QIcon, QStandardItem, QStandardItemModel

from PyQt5.QtWidgets import QApplication, QMainWindow


class MainWindow(QMainWindow):
    '''The program main window.'''

    UPDATE_INTERVAL = 1000
    '''Interval between calls of `updateUpcomingTasksDisplay` in seconds.'''

    REFRESH_COUNT = 60
    '''Force a data refresh every REFRESH_COUNT intervals.'''

    def __init__(self, parent=None):
        super(MainWindow, self).__init__(parent)
        self.setLocale(QLocale(QLocale.English))
        self.setWindowTitle('Study Assistant')
        self.setWindowIcon(QIcon('calendar-icon.png'))

        self.monthTab = MonthTab()
        self.dayTab = DayTab()
        self.newTaskTab = NewTaskTab()

        self.newTaskTab.addButton.clicked.connect(
            lambda: self.onAddButtonClicked())

        centralWidget = TabWidget()
        centralWidget.addTab(self.monthTab, 'Month')
        centralWidget.addTab(self.dayTab, 'Day')
        centralWidget.addTab(self.newTaskTab, 'New Task')

        self.setCentralWidget(centralWidget)

        self.setStyleSheet(self.styleSheet() + '''
            MainWindow {
                background-color: rgb(206, 206, 206);
            }
        ''')

        self.timer = QTimer()
        self.timer.setInterval(MainWindow.UPDATE_INTERVAL)
        self.refreshCounter = 0
        self.timer.timeout.connect(lambda: self.onTimerTimeOut())
        self.updateUpcomingTasksDisplay(True)
        self.timer.start()

    def onTimerTimeOut(self):
        self.refreshCounter += 1
        if self.refreshCounter >= MainWindow.REFRESH_COUNT:
            self.updateUpcomingTasksDisplay(True)
            self.refreshCounter = 0
        else:
            self.updateUpcomingTasksDisplay(False)

    def onAddButtonClicked(self):
        self.refreshCounter = MainWindow.REFRESH_COUNT - 1

    def updateUpcomingTasksDisplay(self, forceRefresh):
        '''Update the upcoming tasks display. If `forceRefresh` is true,
        `updateUpcomingTasks` function is guaranteed to be rerun.'''

        now = datetime.now()
        if forceRefresh or len(upcomingTasks) == 0 or \
                now >= upcomingTasks[0][1]:
            updateUpcomingTasks(now)

        rows = len(upcomingTasks)
        model = QStandardItemModel(rows, 4)
        model.setHorizontalHeaderLabels(['Name', 'Start', 'End', 'Deadline'])

        def sft(time): return time.strftime('%m/%d/%Y, %H:%M')

        for row in range(rows):
            name, startTime, endTime, deadline = upcomingTasks[row]
            model.setItem(row, 0, QStandardItem(name))
            model.setItem(row, 1, QStandardItem(sft(startTime)))
            model.setItem(row, 2, QStandardItem(sft(endTime)))
            if deadline is not None:
                model.setItem(row, 3, QStandardItem(sft(deadline)))

        tableView = self.monthTab.taskViewer.tableView
        tableView.setModel(model)
        tableView.resizeColumnsToContents()

        tableView = self.dayTab.taskViewer.tableView
        tableView.setModel(model)
        tableView.resizeColumnsToContents()

        if len(upcomingTasks) > 0:
            delta = upcomingTasks[0][1] - now
            if delta.days < 3:
                hour = delta.days * 24 + delta.seconds // 3600
                minute = delta.seconds // 60 % 60
            else:
                hour = 99
                minute = 99
        else:
            hour = 99
            minute = 99

        self.monthTab.taskViewer.displayCountDown(hour, minute)
        self.dayTab.taskViewer.displayCountDown(hour, minute)


if __name__ == '__main__':
    import sys
    app = QApplication(sys.argv)
    adder = MainWindow()
    adder.show()
    app.exec_()