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final.py
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final.py
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import sys, random
from PyQt5.QtWidgets import *
from PyQt5.QtCore import *
from PyQt5.QtGui import *
from PyQt5.QtPrintSupport import QPrinter
from PyQt5 import Qt
class Window(QMainWindow):
def __init__(self):
super(Window, self).__init__()
self.rect = QRect()
self.drag_position = QPoint()
self.circles = []
self.labels = []
self.linelabels = []
self.current_circle = None
self.last_two_clicked = self.circles[:]
button = QPushButton("Add", self)
button.clicked.connect(self.on_clicked)
button.setToolTip("<h3>This is for creating random circles<h3>")
joinb = QPushButton("Join", self)
joinb.setGeometry(100, 0, 100, 30)
joinb.clicked.connect(self.join_action)
joinb.setToolTip('This is for joining the two circles with a line')
# Delete = QPushButton("Delete", self)
# Delete.setGeometry(200, 0, 100, 30)
# Delete.clicked.connect(self.DeleteFigure)
# Delete.setToolTip("<h3>This is for deleting the circle from canvas area<h3>")
Report = QPushButton("Generate Report", self)
Report.setGeometry(QRect(200, 0, 100, 30))
Report.clicked.connect(self.printPDF)
Report.setToolTip("This is for generating pdf report of connection between two circles")
self.textEdit = QTextEdit()
self.textEdit.setGeometry(100, 150, 400, 400)
# Saveimg = QPushButton("Save", self)
# Saveimg.setGeometry(QRect(300, 0, 120, 30))
# Saveimg.setToolTip("This is for saving an image of canvas area")
# self.resize(640, 480)
def on_clicked(self):
coor = (random.randrange(self.width() - 100), random.randrange(self.height() - 100))
circleobj = Circle(*coor, 100, 100)
self.circles.append(circleobj)
circleobj.line_edit = QLineEdit(self)
circleobj.line_edit.show()
self.labels.append(circleobj.line_edit)
circleobj.line_edit.setText(f'Sphere {len(self.labels)}:')
circleobj.move_line_edit()
self.last_two_clicked.insert(0, circleobj)
self.last_two_clicked = self.last_two_clicked[:2]
self.update()
def join_action(self):
try:
c1, c2 = self.last_two_clicked
except ValueError:
return
if (c1.line_to == c2 and c2.line_from == c1) or (c1.line_from == c2 and c2.line_to == c1):
return
c1.join(c2)
if c1.join_edit and c2.join_edit and c1.join_edit != c2.join_edit:
c2.join_edit.setParent(None)
c2.join_edit = c1.join_edit
elif c1.join_edit and not c2.join_edit:
c2.join_edit = c1.join_edit
elif c2.join_edit and not c1.join_edit:
c1.join_edit = c2.join_edit
elif not c1.join_edit and not c2.join_edit:
c1.join_edit = c2.join_edit = QLineEdit(self)
c1.join_edit.show()
self.linelabels.append(c1.join_edit)
for circleobj in [x for x in self.circles if x not in (c1, c2)]:
if circleobj.line_to in (c1, c2):
circleobj.line_to = None
if circleobj.line_from in (c1, c2):
circleobj.line_from = None
if not circleobj.line_to and not circleobj.line_from:
if circleobj.join_edit and circleobj.join_edit != c1.join_edit:
circleobj.join_edit.setParent(None)
circleobj.join_edit = None
c1.join_edit.setText(f'Connection {len(self.linelabels)}:')
c1.move_join_edit()
self.textEdit.append(f'[{c1.join_edit.text()}:({c1.line_edit.text()} to {c2.line_edit.text()})')
self.update()
def paintEvent(self, event):
super().paintEvent(event)
painter = QPainter(self)
painter.setRenderHint(QPainter.Antialiasing)
# pixmap = QPixmap("self.ImageWindow.png")
# painter.drawPixmap(self.rect(), pixmap)
# painter.drawLine(10, 10, self.rect().width() - 10, 10)
# painter.setPen(QPen(Qt.black, 5, Qt.SolidLine))
for circle in self.circles:
painter.drawEllipse(circle)
if circle.line_to:
painter.drawLine(circle.center(), circle.line_to.center())
def mousePressEvent(self, event):
for circle in self.circles:
line = QLineF(circle.center(), event.pos())
if line.length() < circle.width() / 2:
self.current_circle = circle
self.drag_position = event.pos()
if not self.last_two_clicked[0] == circle:
self.last_two_clicked.insert(0, circle)
self.last_two_clicked = self.last_two_clicked[:2]
break
def mouseMoveEvent(self, event):
if self.current_circle is not None:
self.current_circle.translate(event.pos() - self.drag_position)
self.current_circle.move_line_edit()
if self.current_circle.join_edit:
self.current_circle.move_join_edit()
self.drag_position = event.pos()
self.update()
def mouseReleaseEvent(self, event):
self.current_circle = None
# def DeleteFigure(self, event):
# for circle in self.circles:
# line = QLineF(circle.center(), event.pos())
#
# if line.length() < circle.width() / 2:
# self.current_circle = circle
# self.circles.remove(circle)
# self.update()
# break
#
# else:
# pass
def contextMenuEvent(self, event):
contextmenu = QMenu(self)
deletecir = contextmenu.addAction("Delete Circle")
action = contextmenu.exec_(self.mapToGlobal(event.pos()))
if action == deletecir:
self.DeleteFigure(event)
def printPDF(self):
filen, _ = QFileDialog.getSaveFileName(self, 'Export PDF', None, 'PDF Files(.pdf);;AllFiles()')
print(filen)
if filen != '':
if QFileInfo(filen).suffix() != "pdf":
filen += '.pdf'
printer = QPrinter(QPrinter.HighResolution)
printer.setOutputFormat(QPrinter.PdfFormat)
printer.setOutputFileName(filen)
self.textEdit.document().print(printer)
def saveImage(self):
QFile file("yourFile.png");
file.open(QIODevice::WriteOnly);
pixmap.save( & file, "PNG");
class Circle(QRect):
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self.line_to = self.line_from = self.join_edit = None
def join(self, other):
self.line_to = other
other.line_from = self
self.line_from = other.line_to = None
def move_line_edit(self):
self.line_edit.move(self.topLeft().x(), self.topLeft().y() - 40)
def move_join_edit(self):
other = self.line_to if self.line_to else self.line_from
x = self.center().x() + other.center().x()
y = self.center().y() + other.center().y()
rect = self.join_edit.geometry()
rect.moveCenter(QPoint(int(x / 2), int(y / 2)))
self.join_edit.move(rect.topLeft())
if __name__ == "__main__":
app = QApplication(sys.argv)
Rect = Window()
Rect.show()
sys.exit(app.exec_())