9f9f1788
 Pavel Govyadinov
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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
Created on Mon Aug 5 15:42:19 2019
@author: pavel
"""
from GraphCanvas import GraphCanvas
from pyqtgraph.Qt import QtCore, QtGui, QtWidgets
import network_dep as nwt
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DEBUG = False
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"""
Initializes the entire QTlayout and sets the mouse press events.
These are connected to the slots such that each is processes by this class
and the class it wraps.
"""
class GraphWidget(QtGui.QWidget):
def __init__(self):
super(GraphWidget, self).__init__()
box = QtGui.QVBoxLayout(self)
self.resize(500,500)
self.setLayout(box)
self.canvas = GraphCanvas()
#self.canvas.create_native()
box.addWidget(self.canvas.native)
self.color = True
self.use_3D = False
self.camera = [0,0,0]
self.canvas.events.mouse_press.connect(self.on_mouse_press)
self.canvas.events.mouse_release.connect(self.on_mouse_release)
self.canvas.events.mouse_move.connect(self.on_mouse_move)
self.canvas.events.mouse_double_click.connect(self.on_mouse_double_click)
#self.show()
"""
Handles the right click mouse event at the QWidget level.
Depending on where the mouse button in clicked and the current zoom level,
the function gets the unique id of the node, cluster or background under the
cursor and opens a context menu based on the ID.
The context menu level actions are also coded in this section of the code.
"""
def on_mouse_press(self, event):
if event.button == 2:
if self.canvas.view[0][0] >= 0.0010:
c_id = self.canvas.get_clicked_id(event)
else:
c_id = self.canvas.get_clicked_id(event, clusters=True)
#right click
if(c_id == None):
menu = QtWidgets.QMenu(self)
NS = menu.addAction('Node Size')
#tmp = menu.addAction('temp')
tmp = menu.addMenu('Node Color')
vertex_props = self.canvas.G.vertex_properties.keys()
vertex_actions = []
for i in range(len(vertex_props)):
if(vertex_props[i] != "map" or vertex_props[i] != "RGBA"):
vertex_actions.append(tmp.addAction(vertex_props[i]))
#tmp.addAction("Cluster")
#NC = menu.addAction('Node Color')
#EXP = menu.addAction('Export VTK')
#EXP_adv = menu.addAction('Export VTK Advanced')
NL = menu.addAction('New Layout')
action = menu.exec_(event.native.globalPos())
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if DEBUG:
print(action)
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for i in range(len(vertex_actions)):
if action == vertex_actions[i]:
if vertex_props[i] == "clusters":
self.canvas.color_vertices(self.canvas.G, vertex_props[i], dtype=True)
else:
self.canvas.color_vertices(self.canvas.G, vertex_props[i])
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if DEBUG:
print(vertex_props[i])
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if action == NS:
if self.use_3D == False:
self.use_3D = True
else:
self.use_3D = False
self.canvas.size_vertices(self.canvas.G, 'degree' )
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self.canvas.color_vertices(self.canvas.G, 'degree')
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#if action == NC:
# self.canvas.color_vertices(self.canvas.G, not self.color)
# self.color = not self.color
# if action == EXP:
# nwt.Network.write_vtk(self.canvas.G, "./nwt.vtk")
# if action == EXP_adv:
# nwt.Network.write_vtk(self.canvas.G, "./nwt_median_binned.vtk")
# nwt.Network.write_vtk(self.canvas.G, "./nwt_median_non_binned.vtk", binning=False)
# nwt.Network.write_vtk(self.canvas.G, "./nwt_points_wise_binned.vtk", camera=self.camera, binning = True)
# nwt.Network.write_vtk(self.canvas.G, "./nwt_points_wise_non_binned.vtk", camera=self.camera, binning = False)
if action == tmp:
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if DEBUG:
print("Stuff")
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#self.cb = QtWidgets.QComboBox()
#vertex_props = self.canvas.G.vertex_properties.keys()
#for i in range(len(vertex_props)):
# self.cb.addItem(vertex_props[i])
#self.cb.currentIndexChanged.connect(self.selection_change)
#self.cb.show()
if action == NL:
self.canvas.G = nwt.Network.gen_new_fd_layout(self.canvas.G)
self.canvas.gen_vertex_vbo(self.canvas.G)
#self.canvas.set_data(self.canvas.G, self.canvas.bbl, self.canvas.bbu)
self.canvas.expand_clusters(self.canvas.G, self.canvas.n_c)
#self.canvas.size_vertices(self.canvas.G, 'degree_volume')
else:
if self.canvas.view[0][0] >= 0.0010:
menu = QtWidgets.QMenu(self)
NS = menu.addAction('Display Node Info')
action = menu.exec_(event.native.globalPos())
if action == NS:
print("Display Node Info")
else:
menu = QtWidgets.QMenu(self)
MnOC = menu.addAction('Minimize Other Clusters')
RA = menu.addAction('Reset Alpha')
action = menu.exec_(event.native.globalPos())
if action == MnOC:
new_Graph = self.canvas.focus_on_cluster(self.canvas.G, c_id)
self.test.draw_new(new_Graph)
if action == RA:
self.canvas.reset_alpha(c_id[0])
# def selection_change(self, i):
# self.canvas.size_vertices(self.canvas.G, self.cb.currentText())
"""
Handles the mouse double click event.
Pass-through function.
"""
def on_mouse_double_click(self, event):
#print("in applet")
n = 0
"""
Handles the mouse release event.
Pass-through function.
"""
def on_mouse_release(self, event):
n = 1
"""
Handles the mouse move event.
Pass-through function.
"""
def on_mouse_move(self, event):
n = 2
"""
Internal function that interacts with the tube visualization.
"""
def set_g_view(self, test):
self.test = test
"""
Function to handle the pyqt Slot that receives the interacted-with signal
from the Tube visualization. The signal sends the camera position in 3D coordinates
every time the camera is moved.
"""
@QtCore.pyqtSlot(float, float, float)
def sigUpdate(self, x, y, z):
self.camera = [x,y,z]
if(self.use_3D == True):
self.camera = [x,y,z]
self.canvas.vertexSizeFromDistance(self.canvas.G, [x,y,z])
self.canvas.vertexAlphaFromDistance(self.canvas.G, [x,y,z])
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if DEBUG:
print("got signal", x, y, z)
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"""
Initialization method that connects the slot to the function that handles
the information being sent.
"""
def connect(self, signal_object):
signal_object.sigUpdate.connect(self.sigUpdate)
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