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GraphControlPanelGui.py
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from PyQt5 import QtCore, QtGui, QtWidgets
''' Graph GUI
Author: Sharif Shaker
Date: 4/29/2017
Modified: 5/11/2017
Changes made: allowed control panel to run bellman ford algorithm
Description:
This file contains various classes and functions for displaying a graphical panel for controling various functions to
be run on a GraphScene object. The control panel design was done using QtDesigner
'''
class Ui_GraphControlWindow(object):
def setupUi(self, GraphControlWindow, graph_scene):
self.scene = graph_scene # get a GraphScene object from parameter
# set up layouts, labels, text editors, and buttons
GraphControlWindow.setObjectName("GraphControlWindow")
GraphControlWindow.resize(483, 600)
self.verticalLayout_2 = QtWidgets.QVBoxLayout(GraphControlWindow)
self.verticalLayout_2.setObjectName("verticalLayout_2")
self.add_edge_lab = QtWidgets.QLabel(GraphControlWindow)
font = QtGui.QFont()
font.setPointSize(12)
font.setBold(True)
font.setWeight(75)
self.add_edge_lab.setFont(font)
self.add_edge_lab.setLayoutDirection(QtCore.Qt.LeftToRight)
self.add_edge_lab.setAlignment(QtCore.Qt.AlignBottom|QtCore.Qt.AlignHCenter)
self.add_edge_lab.setObjectName("add_edge_lab")
self.verticalLayout_2.addWidget(self.add_edge_lab)
self.horizontalLayout = QtWidgets.QHBoxLayout()
self.horizontalLayout.setObjectName("horizontalLayout")
self.label_2 = QtWidgets.QLabel(GraphControlWindow)
self.label_2.setText("")
self.label_2.setObjectName("label_2")
self.horizontalLayout.addWidget(self.label_2)
self.add_edge1_lab = QtWidgets.QLabel(GraphControlWindow)
self.add_edge1_lab.setObjectName("add_edge1_lab")
self.horizontalLayout.addWidget(self.add_edge1_lab)
self.add_edge1_edit = QtWidgets.QLineEdit(GraphControlWindow)
self.add_edge1_edit.setObjectName("add_edge1_edit")
self.horizontalLayout.addWidget(self.add_edge1_edit)
self.add_edge2_lab = QtWidgets.QLabel(GraphControlWindow)
self.add_edge2_lab.setObjectName("add_edge2_lab")
self.horizontalLayout.addWidget(self.add_edge2_lab)
self.add_edge2_edit = QtWidgets.QLineEdit(GraphControlWindow)
self.add_edge2_edit.setObjectName("add_edge2_edit")
self.horizontalLayout.addWidget(self.add_edge2_edit)
self.add_edge_weight_lab = QtWidgets.QLabel(GraphControlWindow)
self.add_edge_weight_lab.setObjectName("add_edge_weight_lab")
self.horizontalLayout.addWidget(self.add_edge_weight_lab)
self.add_edge_weight_edit = QtWidgets.QLineEdit(GraphControlWindow)
self.add_edge_weight_edit.setObjectName("add_edge_weight_edit")
self.horizontalLayout.addWidget(self.add_edge_weight_edit)
self.verticalLayout_2.addLayout(self.horizontalLayout)
self.add_edge_btn = QtWidgets.QPushButton(GraphControlWindow)
self.add_edge_btn.setObjectName("add_edge_btn")
self.verticalLayout_2.addWidget(self.add_edge_btn)
self.remove_edge_lab = QtWidgets.QLabel(GraphControlWindow)
font = QtGui.QFont()
font.setPointSize(12)
font.setBold(True)
font.setWeight(75)
self.remove_edge_lab.setFont(font)
self.remove_edge_lab.setAlignment(QtCore.Qt.AlignBottom|QtCore.Qt.AlignHCenter)
self.remove_edge_lab.setObjectName("remove_edge_lab")
self.verticalLayout_2.addWidget(self.remove_edge_lab)
self.horizontalLayout_2 = QtWidgets.QHBoxLayout()
self.horizontalLayout_2.setObjectName("horizontalLayout_2")
self.remove_edge1_lab = QtWidgets.QLabel(GraphControlWindow)
self.remove_edge1_lab.setObjectName("remove_edge1_lab")
self.horizontalLayout_2.addWidget(self.remove_edge1_lab)
self.remove_edge1_edit = QtWidgets.QLineEdit(GraphControlWindow)
self.remove_edge1_edit.setObjectName("remove_edge1_edit")
self.horizontalLayout_2.addWidget(self.remove_edge1_edit)
self.remove_edge2_lab = QtWidgets.QLabel(GraphControlWindow)
self.remove_edge2_lab.setObjectName("remove_edge2_lab")
self.horizontalLayout_2.addWidget(self.remove_edge2_lab)
self.remove_edge2_edit = QtWidgets.QLineEdit(GraphControlWindow)
self.remove_edge2_edit.setObjectName("remove_edge2_edit")
self.horizontalLayout_2.addWidget(self.remove_edge2_edit)
spacerItem = QtWidgets.QSpacerItem(240, 20, QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Minimum)
self.horizontalLayout_2.addItem(spacerItem)
self.verticalLayout_2.addLayout(self.horizontalLayout_2)
self.remove_edge_btn = QtWidgets.QPushButton(GraphControlWindow)
self.remove_edge_btn.setObjectName("remove_edge_btn")
self.verticalLayout_2.addWidget(self.remove_edge_btn)
self.remove_node_lab_2 = QtWidgets.QLabel(GraphControlWindow)
font = QtGui.QFont()
font.setPointSize(12)
font.setBold(True)
font.setWeight(75)
self.remove_node_lab_2.setFont(font)
self.remove_node_lab_2.setAlignment(QtCore.Qt.AlignBottom|QtCore.Qt.AlignHCenter)
self.remove_node_lab_2.setObjectName("remove_node_lab_2")
self.verticalLayout_2.addWidget(self.remove_node_lab_2)
self.horizontalLayout_3 = QtWidgets.QHBoxLayout()
self.horizontalLayout_3.setObjectName("horizontalLayout_3")
self.remove_node_lab = QtWidgets.QLabel(GraphControlWindow)
self.remove_node_lab.setObjectName("remove_node_lab")
self.horizontalLayout_3.addWidget(self.remove_node_lab)
self.remove_node_edit = QtWidgets.QLineEdit(GraphControlWindow)
self.remove_node_edit.setObjectName("remove_node_edit")
self.horizontalLayout_3.addWidget(self.remove_node_edit)
spacerItem1 = QtWidgets.QSpacerItem(430, 20, QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Minimum)
self.horizontalLayout_3.addItem(spacerItem1)
self.verticalLayout_2.addLayout(self.horizontalLayout_3)
self.remove_node_btn = QtWidgets.QPushButton(GraphControlWindow)
self.remove_node_btn.setObjectName("remove_node_btn")
self.verticalLayout_2.addWidget(self.remove_node_btn)
self.display_path_header = QtWidgets.QLabel(GraphControlWindow)
font = QtGui.QFont()
font.setPointSize(12)
font.setBold(True)
font.setWeight(75)
self.display_path_header.setFont(font)
self.display_path_header.setAlignment(QtCore.Qt.AlignBottom|QtCore.Qt.AlignHCenter)
self.display_path_header.setObjectName("display_path_header")
self.verticalLayout_2.addWidget(self.display_path_header)
self.horizontalLayout_4 = QtWidgets.QHBoxLayout()
self.horizontalLayout_4.setObjectName("horizontalLayout_4")
self.path_node1_lab = QtWidgets.QLabel(GraphControlWindow)
self.path_node1_lab.setObjectName("path_node1_lab")
self.horizontalLayout_4.addWidget(self.path_node1_lab)
self.path_node1_edit = QtWidgets.QLineEdit(GraphControlWindow)
self.path_node1_edit.setObjectName("path_node1_edit")
self.horizontalLayout_4.addWidget(self.path_node1_edit)
self.path_node2_lab = QtWidgets.QLabel(GraphControlWindow)
self.path_node2_lab.setObjectName("path_node2_lab")
self.horizontalLayout_4.addWidget(self.path_node2_lab)
self.path_node2_edit = QtWidgets.QLineEdit(GraphControlWindow)
self.path_node2_edit.setObjectName("path_node2_edit")
self.horizontalLayout_4.addWidget(self.path_node2_edit)
spacerItem2 = QtWidgets.QSpacerItem(230, 20, QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Minimum)
self.horizontalLayout_4.addItem(spacerItem2)
self.verticalLayout_2.addLayout(self.horizontalLayout_4)
self.find_path_btn = QtWidgets.QPushButton(GraphControlWindow)
self.find_path_btn.setObjectName("find_path_btn")
self.verticalLayout_2.addWidget(self.find_path_btn)
self.clear_path_btn = QtWidgets.QPushButton(GraphControlWindow)
self.clear_path_btn.setObjectName("clear_path_btn")
self.verticalLayout_2.addWidget(self.clear_path_btn)
self.retranslateUi(GraphControlWindow)
QtCore.QMetaObject.connectSlotsByName(GraphControlWindow)
self.init_buttons()
def init_buttons(self):
# connect buttons and text edit values to various GraphScene functions
self.add_edge_btn.clicked.connect(lambda: self.scene.add_edge(self.add_edge1_edit.text(),
self.add_edge2_edit.text(), self.add_edge_weight_edit.text())) # add edge
self.remove_edge_btn.clicked.connect(lambda: self.scene.remove_edge(self.remove_edge1_edit.text(),
self.remove_edge2_edit.text())) # remove edge
self.remove_node_btn.clicked.connect(lambda: self.scene.remove_node(self.remove_node_edit.text())) # remove node
self.find_path_btn.clicked.connect(lambda: self.show_selected_path()) # show path using selected algorithm
self.clear_path_btn.clicked.connect(lambda: self.scene.delete_shortest_path()) # clear path
def show_selected_path(self):
algo = self.scene.current_path_algo # get the current algorithm being used by GraphScene
if algo == 'DIJKSTRA': # if using dijkstra
# run dijkstra on GraphScene with values from text edit boxes
self.scene.show_shortest_path_dijkstra(self.path_node1_edit.text(), self.path_node2_edit.text())
elif algo == 'PRIMS': # if using prims
self.scene.show_mst_prims() # run prims on GraphScene
elif algo == 'BELLMAN FORD': # if using bellman ford
# run bellman ford on GraphScene
self.scene.show_shortest_path_bellman_ford(self.path_node1_edit.text(), self.path_node2_edit.text())
def retranslateUi(self, GraphControlWindow):
_translate = QtCore.QCoreApplication.translate
# complete setup by adding text labels
GraphControlWindow.setWindowTitle(_translate("GraphControlWindow", "Graph Control WIndow"))
self.add_edge_lab.setText(_translate("GraphControlWindow", "-Add Edge-"))
self.add_edge1_lab.setText(_translate("GraphControlWindow", "Node 1:"))
self.add_edge2_lab.setText(_translate("GraphControlWindow", "Node 2:"))
self.add_edge_weight_lab.setText(_translate("GraphControlWindow", "Weight:"))
self.add_edge_btn.setText(_translate("GraphControlWindow", "ADD EDGE"))
self.remove_edge_lab.setText(_translate("GraphControlWindow", "-Delete Edge-"))
self.remove_edge1_lab.setText(_translate("GraphControlWindow", "Node 1:"))
self.remove_edge2_lab.setText(_translate("GraphControlWindow", "Node 2:"))
self.remove_edge_btn.setText(_translate("GraphControlWindow", "REMOVE EDGE"))
self.remove_node_lab_2.setText(_translate("GraphControlWindow", "-Delete Node-"))
self.remove_node_lab.setText(_translate("GraphControlWindow", "Node:"))
self.remove_node_btn.setText(_translate("GraphControlWindow", "REMOVE NODE"))
self.display_path_header.setText(_translate("GraphControlWindow", "-Display Path-"))
self.path_node1_lab.setText(_translate("GraphControlWindow", "Node 1:"))
self.path_node2_lab.setText(_translate("GraphControlWindow", "Node 2:"))
self.find_path_btn.setText(_translate("GraphControlWindow", "SHOW PATH"))
self.clear_path_btn.setText(_translate("GraphControlWindow", "CLEAR PATH"))