class ImageSlider(QWidget):
def __init__(self):
super().__init__()
# setting title
self.setWindowTitle("Python ")
self.setGeometry(600, 600, 900, 300)
self.hbox = QHBoxLayout()
self.list_widget = QListWidget()
# self.list_widget.setGeometry(50, 70, 300, 150)
# item1.setIcon(QIcon("key_icon.ico"))
self.items = []
# for i in range(20):
# self.items.append(QListWidgetItem(str(i)))
# self.list_widget.addItem(self.items[i])
# if(i%2 == 0):
# self.items[i].setIcon(QIcon("thumbnail.jpg"))
# else:
# self.items[i].setIcon(QIcon("1.jpg"))
# setting flow
self.list_widget.setFlow(QListView.LeftToRight)
self.list_widget.setIconSize(QtCore.QSize(190, 190))
self.list_widget.hasAutoScroll()
self.list_widget.setAutoFillBackground(False)
self.pic = QPushButton()
self.pic.clicked.connect(lambda: self.goleftSmooth())
self.pic.setGeometry(10, 10, 50, 50)
#use full ABSOLUTE path to the image, not relative
self.pic.setIcon(QIcon("left.png"))
self.hbox.addWidget(self.pic)
self.hbox.addWidget(self.list_widget)
self.pic2 = QPushButton()
self.pic2.clicked.connect(lambda: self.gorightSmooth())
self.pic2.setGeometry(10, 10, 50, 50)
#use full ABSOLUTE path to the image, not relative
self.pic2.setIcon(QIcon("right.png"))
self.hbox.addWidget(self.pic2)
self.list_widget.horizontalScrollBar().setDisabled(True)
self.list_widget.horizontalScrollBar().hide()
self.list_widget.verticalScrollBar().setDisabled(True)
self.list_widget.verticalScrollBar().hide()
self.list_widget.setHorizontalScrollMode(
QAbstractItemView.ScrollPerPixel)
self.setLayout(self.hbox)
self.atCurrentRight = 16
self.atCurrentLeft = 0
self.timerBaseInterval = 25
self.floorInterval = 5
self.timer = QTimer(self)
self.timer.setInterval(self.timerBaseInterval)
self.timer.timeout.connect(self.goRight)
self.timer2 = QTimer(self)
self.timer2.setInterval(self.timerBaseInterval)
self.timer2.timeout.connect(self.goLeft)
self.rightCounter = 0
self.leftCounter = 0
self.incrementalStep = 2
self.counterSize = 410
self.lingertime = 1
self.lingertimeCounter = 0
# self.list_widget.itemPressed.connect(lambda: self.test())
self.show()
# def test(self):
# print(self.list_widget.selectedItems()[0].url)
#Takes list of images and adds them to the image container of this class
def setImages(self, images, urls, movieIDs, titles):
self.list_widget.clear()
self.items = []
for i in range(len(images)):
self.items.append(ClickableThumbnail(urls[i], movieIDs[i]))
self.items[i].setText(titles[i])
self.list_widget.addItem(self.items[i])
pm = QPixmap()
pm.loadFromData(base64.b64decode(images[i]))
ic = QIcon()
ic.addPixmap(pm)
if (ic.isNull() == False):
self.items[i].setIcon(ic)
#movies images to the right to slide left by initiating a timer that moves the images smoothly by pixels
def goleftSmooth(self):
self.timer2.start()
self.pic.setDisabled(True)
self.pic2.setDisabled(True)
#movies images to the left to slide right by initiating a timer that moves the images smoothly by pixels
def gorightSmooth(self):
self.timer.start()
self.pic.setDisabled(True)
self.pic2.setDisabled(True)
#Function that timer2 uses to movie images right
#It works by modifying the timer interval (time needed until this function is called again)
#starts by high time interval to low then to high (slow fast slow)
def goLeft(self):
if (self.leftCounter != self.counterSize):
if (self.leftCounter < math.ceil(self.counterSize * 0.4)):
if (self.lingertime > self.lingertimeCounter):
self.lingertimeCounter += 1
else:
if (self.timer2.interval() > self.floorInterval):
self.timer2.setInterval(self.timer2.interval() - 1)
self.lingertime = self.timerBaseInterval - self.timer2.interval(
)
self.lingertimeCounter = 5
elif (self.leftCounter >
self.counterSize - math.ceil(self.counterSize * 0.4)):
if (self.lingertime > self.lingertimeCounter):
self.lingertimeCounter += 1
else:
if (self.timer2.interval() < self.timerBaseInterval):
self.timer2.setInterval(self.timer2.interval() + 1)
self.lingertime = self.timerBaseInterval - self.timer2.interval(
)
self.lingertimeCounter = 5
self.list_widget.horizontalScrollBar().setValue(
self.list_widget.horizontalScrollBar().value() -
self.incrementalStep)
self.leftCounter += 1
self.repaint()
if (self.leftCounter == math.ceil(self.counterSize / 2)):
self.lingertimeCounter = 5
self.lingertime = self.timerBaseInterval
else:
self.timer2.setInterval(self.timerBaseInterval)
self.leftCounter = 0
self.timer2.stop()
self.pic.setEnabled(True)
self.pic2.setEnabled(True)
if (self.list_widget.horizontalScrollBar().value() == 0):
self.timer2.setInterval(self.timerBaseInterval)
self.leftCounter = 0
self.timer2.stop()
self.pic.setEnabled(True)
self.pic2.setEnabled(True)
#functions similarly to goLeft but adds scrolls to the right by adding pixels to the scrollbar value rather than subtracting
#TODO: integrate goleft and goright into 1 function, no need for 2
def goRight(self):
# print(self.timer.interval())
if (self.rightCounter != self.counterSize):
if (self.rightCounter < math.ceil(self.counterSize * 0.4)):
if (self.lingertime > self.lingertimeCounter):
self.lingertimeCounter += 1
else:
if (self.timer.interval() > self.floorInterval):
self.timer.setInterval(self.timer.interval() - 1)
self.lingertime = self.timerBaseInterval - self.timer.interval(
)
self.lingertimeCounter = 5
elif (self.rightCounter >
self.counterSize - math.ceil(self.counterSize * 0.4)):
if (self.lingertime > self.lingertimeCounter):
self.lingertimeCounter += 1
else:
if (self.timer.interval() < self.timerBaseInterval):
self.timer.setInterval(self.timer.interval() + 1)
self.lingertime = self.timerBaseInterval - self.timer.interval(
)
self.lingertimeCounter = 5
self.list_widget.horizontalScrollBar().setValue(
self.list_widget.horizontalScrollBar().value() +
self.incrementalStep)
self.rightCounter += 1
self.repaint()
if (self.rightCounter == math.ceil(self.counterSize / 2)):
self.lingertimeCounter = 5
self.lingertime = self.timerBaseInterval
else:
self.timer.setInterval(self.timerBaseInterval)
self.rightCounter = 0
self.timer.stop()
self.pic.setEnabled(True)
self.pic2.setEnabled(True)
if (self.list_widget.horizontalScrollBar().value() ==
self.list_widget.horizontalScrollBar().maximum()):
self.timer.setInterval(self.timerBaseInterval)
self.rightCounter = 0
self.timer.stop()
self.pic.setEnabled(True)
self.pic2.setEnabled(True)
class CourseMovieLayout(QWidget):
goback_request = pyqtSignal(int)
new_movie_request = pyqtSignal(int)
_WatchMovie_ = pyqtSignal(str, int)
def __init__(self, user: User, courseID):
super().__init__()
self.list_widget = QListWidget()
self.user = user
self.courseID = courseID
self.controller = CourseMovieController(self.user)
# self.list_widget.setFlow(QListView.LeftToRight)
self.list_widget.setIconSize(QSize(190, 190))
self.list_widget.hasAutoScroll()
self.list_widget.setAutoFillBackground(False)
self.items_title = self.user.courses
self.Manager = MovieManagement()
self.error = QLabel()
self.movies = self.controller.getCMovies(self.courseID)
self.titles = []
self.thumbnails = []
self.urls = []
self.movieIDs = []
if (len(self.movies) != 0):
for i, j, k, w in self.movies:
self.titles.append(i)
self.thumbnails.append(j)
self.urls.append(k)
self.movieIDs.append(w)
self.setImages(self.thumbnails, self.urls, self.titles,
self.movieIDs)
else:
self.error.setText("Course Has No Movies")
self.back = QPushButton("Back")
self.back.clicked.connect(lambda: self.BACK())
self.vbox = QVBoxLayout()
self.vbox.addWidget(self.list_widget)
self.vbox.addWidget(self.error)
self.vbox.addWidget(self.back)
if (isinstance(self.user, Professor) == True):
self.add_movie = QPushButton("Add Movie")
self.add_movie.clicked.connect(
lambda: self.new_movie_request.emit(self.courseID))
self.vbox.addWidget(self.add_movie)
self.setLayout(self.vbox)
self.list_widget.itemPressed.connect(lambda: self.MovieIsClicked())
def MovieIsClicked(self):
self._WatchMovie_.emit(self.list_widget.selectedItems()[0].url,
self.list_widget.selectedItems()[0].movieID)
def BACK(self):
self.goback_request.emit(3)
def setImages(self, images, urls, titles, movieIDs):
self.list_widget.clear()
self.items = []
for i in range(len(images)):
self.items.append(ClickableThumbnail(urls[i], movieIDs[i]))
self.items[i].setText(titles[i])
self.list_widget.addItem(self.items[i])
pm = QPixmap()
pm.loadFromData(base64.b64decode(images[i]))
ic = QIcon()
ic.addPixmap(pm)
if (ic.isNull() == False):
self.items[i].setIcon(ic)
class DashboardLayout(QWidget):
submitcourse_request = pyqtSignal()
new_course_request = pyqtSignal()
openCourse_request = pyqtSignal(int)
new_movie_request = pyqtSignal()
submitmovie_request = pyqtSignal()
def __init__(self,user:User):
super().__init__()
self.__dashboard_grid = QGridLayout()
self.user = user
#ADD COURSE GUI
self.add_course = QPushButton("Add Course") #enroll for student, create for professor
self.add_course.clicked.connect(lambda:self.new_course_request.emit())
self.name = ""
self.syllabus = ""
self.__dashboard_grid.addWidget(self.add_course,1,1)
self.movieProperties = []
#ADD MOVIE GUI
self.list_widget = QListWidget()
# self.list_widget.setFlow(QListView.LeftToRight)
self.list_widget.setIconSize(QSize(190, 190))
self.list_widget.hasAutoScroll()
self.list_widget.setAutoFillBackground( False )
self.items_title = self.user.courses
self.items = []
if(isinstance(self.items_title, int) == False):
for i in range(len(self.items_title)):
self.items.append(ClickableThumbnail(self.items_title[i][1], 0))
self.items[i].setText((self.items_title[i][0]))
self.list_widget.addItem(self.items[i])
self.controller = DashboardController(self.user)
self.__dashboard_grid.addWidget(self.list_widget,2,1)
self.message = QLabel("")
self.__dashboard_grid.addWidget(self.message,3,1)
self.courseInput = None
self.setLayout(self.__dashboard_grid)
self.list_widget.itemPressed.connect(lambda: self.CourseIsClicked())
# if len(self.courses)!=0:
# for course in self.courses:
# course.clicked.connect(lambda:self.load_course_request.emit(course.text()))
#contacts controller to submit course, currently is professor's course upload feature
def submitcourse(self):
self.result = self.controller.addCourse(self.name, self.syllabus, self.user.id)
#contacts controller to submit movie under name of of course, currently is for professor's movie upload feature
def submitmovie(self):
seg = re.split(" / ", self.name) #seg[0] is the course name, seg[1] is the movie name
courseID = ""
print(seg[0])
for i in self.controller.courses:
print(i[0])
if (str(i[0]) == str(seg[0])):
courseID = i[1]
break
#self.movieproperties index 0 is the url path and 1 is the thumbnail path
self.result = self.controller.addMovie(seg[1], courseID, self.syllabus, self.user.id, self.movieProperties[0], self.movieProperties[1])
def CourseIsClicked(self):
# self._WatchMovie_.emit(self.recommended_display.list_widget.selectedItems()[0].url)
self.openCourse_request.emit(self.list_widget.selectedItems()[0].url)
class ImageSlider(QWidget):
def __init__(self):
super().__init__()
# setting title
self.setWindowTitle("Python ")
self.setGeometry(1000, 1000, 2000, 100)
stylesheett = """
QPushbutton{
height: 50px;
width: 50px;
background-color: rgb(54,57,63);
background-image: url("./Images/left.png");
}
QPushbutton#pic:hover{
background-color: rgb(54,57,63);
background-image: url("./Images/left_hover.png");
}
QPushbutton#pic2{
height: 50px;
width: 50px;
background-color: rgb(54,57,63);
background-image: url("./Images/right.png");
}
QPushbutton#pic2:hover{
background-color: rgb(54,57,63);
background-image: url("./Images/right_hover.png");
}
"""
self.setStyleSheet(stylesheett)
self.hbox = QHBoxLayout()
self.list_widget = QListWidget()
self.items = []
# setting flow
self.list_widget.setFlow(QListView.LeftToRight)
self.list_widget.setIconSize(QtCore.QSize(190, 190))
self.list_widget.hasAutoScroll()
self.list_widget.setAutoFillBackground(False)
self.pic = QPushButton()
self.pic.setObjectName("pic")
self.pic.clicked.connect(lambda: self.goleftSmooth())
#use full ABSOLUTE path to the image, not relative
self.hbox.addWidget(self.pic)
self.hbox.addWidget(self.list_widget)
self.pic2 = QPushButton()
self.pic2.setObjectName("pic2")
self.pic2.clicked.connect(lambda: self.gorightSmooth())
self.hbox.addWidget(self.pic2)
self.list_widget.horizontalScrollBar().setDisabled(True)
self.list_widget.horizontalScrollBar().hide()
self.list_widget.verticalScrollBar().setDisabled(True)
self.list_widget.verticalScrollBar().hide()
self.list_widget.setHorizontalScrollMode(
QAbstractItemView.ScrollPerPixel)
self.setLayout(self.hbox)
self.atCurrentRight = 16
self.atCurrentLeft = 0
self.timerBaseInterval = 25
self.floorInterval = 5
self.timer = QTimer(self)
self.timer.setInterval(self.timerBaseInterval)
self.timer.timeout.connect(self.goRight)
self.timer2 = QTimer(self)
self.timer2.setInterval(self.timerBaseInterval)
self.timer2.timeout.connect(self.goLeft)
self.rightCounter = 0
self.leftCounter = 0
self.incrementalStep = 1
self.counterSize = 410
self.lingertime = 1
self.lingertimeCounter = 0
self.show()
#Takes list of images and adds them to the image container of this class
def setImages(self, images, urls, movieIDs, titles):
self.list_widget.clear()
self.items = []
self.list_widget.setViewMode(QListWidget.IconMode)
# self.list_widget.setResizeMode(QListWidget.Adjust);
# self.list_widget.setIconSize(QSize(150,150));
# self.list_widget.setAcceptDrops(True);
# self.list_widget.setDragEnabled(False);
for i in range(len(images)):
self.items.append(ClickableThumbnail(urls[i], movieIDs[i]))
self.items[i].setText(titles[i])
self.list_widget.addItem(self.items[i])
pm = QPixmap()
pm.loadFromData(base64.b64decode(images[i]))
ic = QIcon()
pm = pm.scaled(QSize(220, 150), Qt.IgnoreAspectRatio)
ic.addPixmap(pm)
if (ic.isNull() == False):
self.items[i].setIcon(ic)
#movies images to the right to slide left by initiating a timer that moves the images smoothly by pixels
def goleftSmooth(self):
self.timer2.start()
self.pic.setDisabled(True)
self.pic2.setDisabled(True)
#movies images to the left to slide right by initiating a timer that moves the images smoothly by pixels
def gorightSmooth(self):
self.timer.start()
self.pic.setDisabled(True)
self.pic2.setDisabled(True)
#Function that timer2 uses to movie images right
#It works by modifying the timer interval (time needed until this function is called again)
#starts by high time interval to low then to high (slow fast slow)
def goLeft(self):
if (self.leftCounter != self.counterSize):
if (self.leftCounter < math.ceil(self.counterSize * 0.4)):
if (self.lingertime > self.lingertimeCounter):
self.lingertimeCounter += 1
else:
if (self.timer2.interval() > self.floorInterval):
self.timer2.setInterval(self.timer2.interval() - 1)
self.lingertime = self.timerBaseInterval - self.timer2.interval(
)
self.lingertimeCounter = 5
elif (self.leftCounter >
self.counterSize - math.ceil(self.counterSize * 0.4)):
if (self.lingertime > self.lingertimeCounter):
self.lingertimeCounter += 1
else:
if (self.timer2.interval() < self.timerBaseInterval):
self.timer2.setInterval(self.timer2.interval() + 1)
self.lingertime = self.timerBaseInterval - self.timer2.interval(
)
self.lingertimeCounter = 5
self.list_widget.horizontalScrollBar().setValue(
self.list_widget.horizontalScrollBar().value() -
self.incrementalStep)
self.leftCounter += 1
self.repaint()
if (self.leftCounter == math.ceil(self.counterSize / 2)):
self.lingertimeCounter = 5
self.lingertime = self.timerBaseInterval
else:
self.timer2.setInterval(self.timerBaseInterval)
self.leftCounter = 0
self.timer2.stop()
self.pic.setEnabled(True)
self.pic2.setEnabled(True)
if (self.list_widget.horizontalScrollBar().value() == 0):
self.timer2.setInterval(self.timerBaseInterval)
self.leftCounter = 0
self.timer2.stop()
self.pic.setEnabled(True)
self.pic2.setEnabled(True)
#functions similarly to goLeft but adds scrolls to the right by adding pixels to the scrollbar value rather than subtracting
#TODO: integrate goleft and goright into 1 function, no need for 2
def goRight(self):
# print(self.timer.interval())
if (self.rightCounter != self.counterSize):
if (self.rightCounter < math.ceil(self.counterSize * 0.4)):
if (self.lingertime > self.lingertimeCounter):
self.lingertimeCounter += 1
else:
if (self.timer.interval() > self.floorInterval):
self.timer.setInterval(self.timer.interval() - 1)
self.lingertime = self.timerBaseInterval - self.timer.interval(
)
self.lingertimeCounter = 5
elif (self.rightCounter >
self.counterSize - math.ceil(self.counterSize * 0.4)):
if (self.lingertime > self.lingertimeCounter):
self.lingertimeCounter += 1
else:
if (self.timer.interval() < self.timerBaseInterval):
self.timer.setInterval(self.timer.interval() + 1)
self.lingertime = self.timerBaseInterval - self.timer.interval(
)
self.lingertimeCounter = 5
self.list_widget.horizontalScrollBar().setValue(
self.list_widget.horizontalScrollBar().value() +
self.incrementalStep)
self.rightCounter += 1
self.repaint()
if (self.rightCounter == math.ceil(self.counterSize / 2)):
self.lingertimeCounter = 5
self.lingertime = self.timerBaseInterval
else:
self.timer.setInterval(self.timerBaseInterval)
self.rightCounter = 0
self.timer.stop()
self.pic.setEnabled(True)
self.pic2.setEnabled(True)
if (self.list_widget.horizontalScrollBar().value() ==
self.list_widget.horizontalScrollBar().maximum()):
self.timer.setInterval(self.timerBaseInterval)
self.rightCounter = 0
self.timer.stop()
self.pic.setEnabled(True)
self.pic2.setEnabled(True)
