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interact.py
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# -*- coding: utf-8 -*-
# @Time : 2018/7/15 14:07
# @Author : SilverMaple
# @Site : https://github.com/SilverMaple
# @File : interact.py
# import warnings
# warnings.simplefilter("error")
import shutil
from threading import _start_new_thread
from PIL import Image
from visualization import Network, Community, COMMUNITY_FILE, NETWORK_FILE, MUTUAL_INFORMATION_FILE, COLOR_CONFIG, SHAPE_CONFIG
from FR import FRLayout, FR3DLayout
from KK import KKLayout
import sys
import os
from PyQt5.QtCore import Qt, QLineF, QRectF, QPoint, QThread, pyqtSignal, QSize
from PyQt5.QtWidgets import QApplication, QMainWindow, QMenu, QGraphicsView, QGraphicsScene, QGridLayout, \
QMessageBox, QWidget, QPushButton, QGraphicsLineItem, QLabel, QAction, QShortcut, QInputDialog, QLineEdit, \
QFileDialog
from PyQt5.QtGui import QPainter, QPen, QColor, QCursor, QMouseEvent, QIcon, QKeySequence, QPalette, QBrush, QPixmap, \
QFont, QImage
import pyqtgraph as pg
from pyqtgraph.Qt import QtCore, QtGui
import pyqtgraph.opengl as gl
import matplotlib.pyplot as plt
import numpy as np
POINT_SIZE = 10
# POINT_SIZE = 10
APP_WIDTH = 1320
APP_HEIGHT = 500
ICON_PATH = 'c_plus/select.ico'
UNIFIED_FONT_SIZE = 10
UNIFIED_FONT = QFont("SimSun", UNIFIED_FONT_SIZE)
LABEL_FONT = QFont("Times New Roman", 12)
LABEL_PADDING = 8
# oringinal style sheet
'''
QPushButton{
background-color: %s ;
border-style: outset;
border-width: 1px;
border-radius: 5px;
border-color: black;
font: 1px;
padding: 0px;
}
QPushButton:hover {
background-color: %s;
border-style: inset;
}
QPushButton:pressed {
background-color: rgb(224, 0, 0);
border-style: inset;
}
QPushButton#cancel{
background-color: red ;
}
'''
CSS_BUTTON_STYLE_SHEET_DELETE = '''
QPushButton{
background-color: %s ;
border-style: outset;
border-width: 0px;
border-radius: 5px;
border-color: black;
font: 1px;
padding: 0px;
background-color: rgb(0, 0, 0, 0);
}
QPushButton:hover {
border-width: 1px;
background-color: %s;
border-style: inset;
}
QPushButton:pressed {
background-color: rgb(224, 0, 0, 0);
border-style: inset;
}
'''
CSS_BUTTON_STYLE_SHEET_MID = CSS_BUTTON_STYLE_SHEET_DELETE%('%s', 'rgb(0, 0, 0, 0);border-width: 0px')
CSS_BUTTON_STYLE_SHEET = CSS_BUTTON_STYLE_SHEET_DELETE%('%s', 'yellow')
class Point:
def __init__(self, x, y, name, color=None):
self.x = x
self.y = y
self.name = name
self.color = color
self.display = True
class Line:
def __init__(self, a, b, color_index, color=None):
self.a = a
self.b = b
self.color_index = color_index
self.color = color
self.display = True
class IconManager():
def __init__(self):
pass
def generateIcon(self, colorDict=None):
colorDict = {'red': 5, 'blue': 2, 'green': 3}
# data = np.random.randint(1, 11, 5)
plt.pie(colorDict.values(), colors=colorDict.keys())
plt.axis('equal')
plt.axis('off')
fig = plt.gcf()
plt.gca().xaxis.set_major_locator(plt.NullLocator())
plt.gca().yaxis.set_major_locator(plt.NullLocator())
plt.subplots_adjust(top = 1, bottom = 0, right = 1, left = 0, hspace = 0, wspace = 0)
plt.margins(0,0)
# fig.savefig('a.png', format='png', transparent=True, dpi=10, pad_inches = 0)
# plt.savefig('a.svg', dpi=10, pad_inches=0, transparent=True)
def getIcon(self, index):
pass
class Messenger:
def __init__(self):
self.setupFlag = False
self.statusBar = None
def setup(self, statusBar):
self.statusBar = statusBar
self.setupFlag = True
def changeStatusBar(self, content):
try:
if self.setupFlag:
self.statusBar.showMessage(content)
except Exception as e:
print(e)
messenger = Messenger()
class ActionButton(QPushButton):
def __init__(self, ci, index, ofCommunity, *__args):
super().__init__(*__args)
self.ci = ci
self.index = index
self.ofCommunity = ofCommunity
def mousePressEvent(self, event):
ci = self.ci
print('changeCommunity: ', ci)
if ci == self.ofCommunity:
return
else:
tempCommunity = {'index': self.index, 'from': self.ofCommunity, 'to': ci}
vpResultView.updateEntropy(community=tempCommunity)
class PointButton(QPushButton):
def __init__(self, ig, index, color, *args):
QPushButton.__init__(self, *args)
self.setMouseTracking(True)
self.setStyleSheet((CSS_BUTTON_STYLE_SHEET) % color)
self.color = color
self.changeColor = None
self.ig = ig
self.index = index
self.x = self.ig.points[index].x
self.y = self.ig.points[index].y
self.dragging = False
self.ofCommunity = None
self.raise_()
for ci in range(len(self.ig.network.communities)):
if index+1 in self.ig.network.communities[ci].vertexes:
self.ofCommunity = ci
break
self.selectedCommunity = self.ofCommunity
self.setContextMenuPolicy(Qt.ActionsContextMenu)
# self.customContextMenuRequested.connect(self.showContextMenu)
self.contextMenu = QMenu(self)
# self.contextMenu.addSection()
# self.communityMenu = self.contextMenu.addMenu('移动至社区')
for ci in range(len(self.ig.network.communities)):
tempAction = self.contextMenu.addAction("社区%d" % (ci+1))
tempAction.triggered.connect(lambda: self.changeCommunity(ci))
self.contextMenuState = False
def changeCommunity(self, ci):
# 直接使用坐标计算选择社区，以后有修改方法后再改
ci = int(((QCursor.pos().y() - self.menuPos.y())-2) / 23)
if ci == self.selectedCommunity:
return
# elif ci == self.ofCommunity:
# self.changeColor = None
# self.restore()
# self.ig.points[self.index].display = True
# self.update()
# print('here')
# tempCommunity = {'index': self.index, 'from': self.ofCommunity, 'to': ci}
# vpResultView.updateEntropy(community=tempCommunity)
else:
self.selectedCommunity = ci
self.changeColor = self.ig.colors[ci]
self.setStyleSheet((CSS_BUTTON_STYLE_SHEET) % self.changeColor)
for line in vLineScene.lineItem:
anotherPoint = None
if line.a == self.index+1:
anotherPoint = line.b
elif line.b == self.index+1:
anotherPoint = line.a
else:
continue
if self.ig.points[anotherPoint-1].color == self.changeColor:
line.setColor(self.changeColor)
line.changeColor = self.changeColor
else:
line.setColor('#000000')
line.changeColor = '#000000'
if ci == self.ofCommunity:
self.changeColor = None
self.update()
tempCommunity = {'index': self.index, 'from': self.ofCommunity, 'to': ci}
vpResultView.updateEntropy(community=tempCommunity)
def showContextMenu(self, pos):
self.menuPos = QCursor.pos()
# 菜单显示前，将它移动到鼠标点击的位置
for i in range(len(self.contextMenu.actions())):
if self.selectedCommunity == i:
self.contextMenu.actions()[i].setIconText('✔')
self.contextMenu.actions()[i].setIcon(QIcon(ICON_PATH))
self.contextMenu.actions()[i].setIconVisibleInMenu(True)
else:
self.contextMenu.actions()[i].setIconText('')
self.contextMenu.actions()[i].setIconVisibleInMenu(False)
self.contextMenu.exec(QCursor.pos()) # 在鼠标位置显示
# self.contextMenu.show()
def restore(self, saveColor=None):
if not saveColor and self.changeColor:
self.changeColor = None
self.setStyleSheet((CSS_BUTTON_STYLE_SHEET) % self.color)
self.resize(10, 10)
self.setWindowOpacity(1)
def mouseMoveEvent(self, event):
if self.dragging:
message = 'move event at point[ ' + str(self.index+1) + ' ]: ' + str(event.pos().x()) + ' ' + str(event.pos().y())
x = self.pos().x() + event.pos().x()
y = self.pos().y() + event.pos().y()
self.ig.points[self.index].x = x
self.ig.points[self.index].y = y
self.move(x, y)
vLineScene.buttonLabels[self.index].move(x+LABEL_PADDING, y+LABEL_PADDING)
# self.ig.vpViews[2].buttonLabels[self.index].move(x, y)
for l in vLineScene.lineItem:
if l.a == self.index+1 or l.b == self.index+1:
x = self.ig.points[l.a - 1].x + POINT_SIZE / 2
y = self.ig.points[l.a - 1].y + POINT_SIZE / 2
x1 = self.ig.points[l.b - 1].x + POINT_SIZE / 2
y1 = self.ig.points[l.b - 1].y + POINT_SIZE / 2
# 设置直线位于(x1, y1)和(x2, y2)之间
l.setLine(QLineF(x, y, x1, y1))
# vLineView.update()
vpFrontView.update()
messenger.changeStatusBar(message)
def mouseReleaseEvent(self, event):
message = 'release event at point[ ' + self.text() + ' ]: ' + str(event.pos().x()) + ' ' + str(event.pos().y())
if event.pos().x() < 10 and event.pos().x() > 0 and event.pos().y() < 10 and event.pos().y() > 0:
return
x = self.pos().x() + event.pos().x()
y = self.pos().y() + event.pos().y()
self.dragging = False
# v, index = self.text()
# print(self.accessibleName())
# v, index = self.accessibleName()
messenger.changeStatusBar(message)
def dragMoveEvent(self, event):
message = 'drag move at point[ ' + self.text() + ' ]: ' + str(event.pos().x()) + ' ' + str(event.pos().y())
print(message)
messenger.changeStatusBar(message)
def dragLeaveEvent(self, event):
message = 'drag leave at point[ ' + self.text() + ' ]: ' + str(event.pos().x()) + ' ' + str(event.pos().y())
print(message)
messenger.changeStatusBar(message)
def mousePressEvent(self, event):
if Qt.MiddleButton == event.button():
# self.setStyleSheet((CSS_BUTTON_STYLE_SHEET_DELETE) % (self.color, self.color))
self.setStyleSheet((CSS_BUTTON_STYLE_SHEET_MID) % (self.color))
self.leaveEvent(event)
vpResultView.updateEntropy(dot=self.index)
message = 'press at point[ ' + self.text() + ' ]: ' + str(event.pos().x()) + ' ' + str(event.pos().y())
# print('press at point[ ', self.text(), ' ]: ', event.pos().x(), event.pos().y())
self.ig.points[self.index].display = False
self.hide()
print(self.windowState())
vLineScene.buttonLabels[self.index].hide()
vLineScene.leavePoint()
vLineScene.updateScene()
vpFrontView.update()
messenger.changeStatusBar(message)
elif Qt.RightButton == event.button():
self.showContextMenu(event.pos())
elif Qt.LeftButton == event.button():
self.dragging = True
def enterEvent(self, *args, **kwargs):
if self.changeColor:
self.setStyleSheet((CSS_BUTTON_STYLE_SHEET) % self.changeColor)
else:
self.setStyleSheet((CSS_BUTTON_STYLE_SHEET) % self.color)
inLineSum = 0
outLineSum = 0
regionCount = {c: 0 for c in self.ig.colors}
for i in range(len(self.ig.lines)):
if self.ig.lines[i].display and \
(self.ig.lines[i].a == self.index+1 or self.ig.lines[i].b == self.index+1):
if vLineScene.lineItem[i].getCurrentColor() == self.getCurrentColor():
inLineSum += 1
else:
outLineSum += 1
if self.ig.lines[i].a == self.index + 1:
anotherPoint = self.ig.lines[i].b
else:
anotherPoint = self.ig.lines[i].a
color = vLineScene.buttons[anotherPoint - 1].getCurrentColor()
regionCount[color] += 1
regionCount = {c: regionCount[c] for c in regionCount if regionCount[c] != 0}
regionString = '\n' + '\n'.join([' Community {}: {}'.format(self.ig.colors.index(c)+1, regionCount[c])
for c in regionCount])
self.setToolTip('Point: ' + str(self.index+1) + '\nInside: ' + str(inLineSum) +
'\nOutside: ' + str(outLineSum) + regionString)
message = 'Enter in point: ' + str(self.index + 1) + \
' InLine sum: ' + str(inLineSum) + ' OutLine sum: ' + str(outLineSum) + regionString.replace('\n', '')
vLineScene.focusPoint(self.index)
messenger.changeStatusBar(message)
def leaveEvent(self, *args, **kwargs):
message = 'Leave in point: ' + str(self.index + 1)
self.dragging = False
vLineScene.leavePoint(saveColor=True)
messenger.changeStatusBar(message)
def getCurrentColor(self):
if self.changeColor is None:
return self.color
return self.changeColor
def getGlobalPos(self):
return self.mapToParent(self.pos())
# return self.mapToGlobal(self.pos())
class LineItem(QGraphicsLineItem):
def __init__(self, ig, index, color, view, *args, **kwargs):
# QGraphicsLineItem.__init__(*args, **kwargs)
super().__init__(*args)
self.ig = ig
self.index = index
self.view = view
self.a = self.ig.lines[index].a
self.b = self.ig.lines[index].b
self.name = '-'.join([str(self.a), str(self.b)])
self.color = color
self.changeColor = None
self.width = 1
self.focus_opacity = 1
self.normal_opacity = 0.3
self.ignore_opacity = 0.1
self.setOpacity(self.normal_opacity)
self.setZValue(-1)
# 设置画笔
pen = self.pen()
p = QPen()
pen.setColor(QColor(self.color))
# print(self.color, self.width)
pen.setWidth(self.width)
self.setPen(pen)
self.setAcceptHoverEvents(True)
self.setAcceptTouchEvents(True)
self.setToolTip(self.name)
def setColor(self, color):
pen = self.pen()
p = QPen()
pen.setColor(QColor(color))
self.setPen(pen)
self.update()
def getCurrentColor(self):
if self.changeColor is None:
return self.color
return self.changeColor
def focus(self):
pen = self.pen()
pen.setWidth(2)
self.setPen(pen)
self.update()
def restore(self, saveColor=None):
self.setOpacity(self.normal_opacity)
pen = self.pen()
if not saveColor:
self.changeColor = None
pen.setColor(QColor(self.color))
pen.setWidth(self.width)
self.setPen(pen)
self.update()
def mousePressEvent(self, *args, **kwargs):
self.hoverLeaveEvent(*args, **kwargs)
vpResultView.updateEntropy(pair=(self.a, self.b))
self.ig.lines[self.index].display = False
print(self.isVisible())
self.hide()
print(self.isVisible())
self.view.update()
vpFrontView.update()
vpResultView.update()
print(self.isVisible())
messenger.changeStatusBar('mousePress for:%s' % self.name)
def hoverEnterEvent(self, *args, **kwargs):
pen = self.pen()
pen.setColor(QColor(Qt.yellow))
self.setPen(pen)
self.view.update()
messenger.changeStatusBar('hoverEnter for:%s' % self.name)
def hoverLeaveEvent(self, *args, **kwargs):
pen = self.pen()
if self.changeColor:
pen.setColor(QColor(self.changeColor))
else:
pen.setColor(QColor(self.color))
self.setPen(pen)
self.view.update()
messenger.changeStatusBar('hoverLeave for:%s' % self.name)
class ResultPainter(QWidget):
def __init__(self, ig, *args):
super().__init__(*args)
self.ig = ig
self.entropy = None
self.trigger = False
self.descLabel = None
self.isRemoveDots = False
self.isRemovePairs = False
self.isChangeCommunity = False
self.dots = []
self.pairs = []
self.changeSets = []
self.communities = []
self.initUI()
def initUI(self):
self.resize(300, 500)
self.hide()
self.descLabel = QLabel(self)
self.descLabel.setGeometry(20, 380, 260, 400)
self.descLabel.setFont(UNIFIED_FONT)
self.descLabel.setText("说明：\n"
" 鼠标悬停在点上的时候，第一个数字表示该节点的标识，第二个数字表示该节点与社区内节点的链接数目，"
"第三个数字表示该节点与其他社区节点的链接数目。"
"比如：59，6，4表示节点59与社区内节点的链接数目为6，与社区间其他节点的链接数目为4。")
self.descLabel.setWordWrap(True)
self.descLabel.setAlignment(Qt.AlignTop)
self.descLabel.show()
self.entropy = self.ig.network.get_entropy()
self.staticEntropy = self.entropy
for i in range(len(self.entropy)):
self.entropy[i] = float(self.entropy[i].replace('\n', ''))
def updateEntropy(self, pair=None, community=None, dot=None):
tempPair = None
tempCommunity = None
tempDot = None
print('----------------Update entropy----------------')
# 删除边
if pair is not None:
self.isRemovePairs = True
self.pairs.append(pair)
tempPair = self.pairs
if self.dots != []:
tempDot = self.dots
# 删除点和与其相连的边
if dot is not None:
dot += 1
self.isRemoveDots = True
for i in self.ig.lines:
if dot == i.a or dot == i.b:
self.pairs.append((i.a, i.b))
tempPair = self.pairs
self.dots.append(dot)
tempDot = self.dots
self.communities = []
# 删除点需重写社区划分信息
if tempDot is not None:
index = 0
# self.communities = []
if self.isChangeCommunity and community is None:
fromIndex = []
toIndex = []
pointIndex = []
for c in self.changeSets:
fromIndex.append(c['from'])
toIndex.append(c['to'])
pointIndex.append(c['index'])
# 如果未修改过社区划分信息，则重新赋值
if self.communities == []:
index = 0
for c in self.ig.network.communities:
self.communities.append([])
for v in c.vertexes:
self.communities[index].append(v)
index += 1
for index in range(len(pointIndex)):
print('move point %d from community %d to community %d'
% (pointIndex[index] + 1, fromIndex[index], toIndex[index]))
self.communities[fromIndex[index]].remove(pointIndex[index] + 1)
self.communities[toIndex[index]].append(pointIndex[index] + 1)
for j in range(len(self.communities)):
for v in self.communities[j]:
if v in tempDot:
self.communities[j].remove(v)
print('remove point: ', v)
index += 1
else:
for c in self.ig.network.communities:
self.communities.append([])
for v in c.vertexes:
if v not in tempDot:
self.communities[index].append(v)
else:
print('remove point: ', v)
index += 1
# remove empty array
while [] in self.communities:
self.communities.remove([])
tempCommunity = []
for c in self.communities:
tempCommunity.append(' '.join([str(i) for i in c]))
if tempCommunity == []:
tempCommunity = None
if community is not None:
if pair is None and self.pairs != []:
tempPair = self.pairs
if dot is None and self.dots != []:
for i in self.dots:
print('remove point:', i)
self.isChangeCommunity = True
# 注意同一个点不应该重复移动
removeItem = None
for i in self.changeSets:
# print(i['index'], community['index'])
if i['index'] == community['index']:
removeItem = i
break
if removeItem is not None:
# print('remove duplicate item')
self.changeSets.remove(removeItem)
self.changeSets.append(community)
fromIndex = []
toIndex = []
pointIndex = []
for c in self.changeSets:
fromIndex.append(c['from'])
toIndex.append(c['to'])
pointIndex.append(c['index'])
# 如果未修改过社区划分信息，则重新赋值
if self.communities == []:
index = 0
for c in self.ig.network.communities:
self.communities.append([])
for v in c.vertexes:
if self.dots == [] or self.dots != [] and v not in self.dots:
self.communities[index].append(v)
index += 1
for index in range(len(pointIndex)):
if self.dots != [] and pointIndex[index]+1 in self.dots:
continue
print('move point %d from community %d to community %d'
% (pointIndex[index]+1, fromIndex[index], toIndex[index]))
self.communities[fromIndex[index]].remove(pointIndex[index]+1)
self.communities[toIndex[index]].append(pointIndex[index]+1)
tempCommunity = []
for c in self.communities:
tempCommunity.append(' '.join([str(i) for i in c]))
# print('tempPair', tempPair)
# print('tempDot', tempDot)
# print('tempCommunity', tempCommunity)
# 获取原始信息熵
if not self.isRemovePairs and not self.isRemoveDots and not self.isChangeCommunity:
self.dots = []
self.pairs = []
self.changeSets = []
self.communities = []
self.entropy = self.staticEntropy
self.entropy = self.ig.network.get_entropy()
else:
self.entropy = self.ig.network.get_entropy(pair=tempPair, community=tempCommunity, dot=tempDot)
for i in range(len(self.entropy)):
self.entropy[i] = float(str(self.entropy[i]).replace('\n', ''))
print(['社区%d: %f'%(i+1, self.entropy[i]) for i in range(len(self.entropy))])
self.update()
def paintEvent(self, e):
qp = QPainter()
qp.begin(self)
self.draw(qp)
qp.end()
def triggerUpdate(self):
self.trigger = True
def draw(self, qp):
index = 0
qp.setFont(UNIFIED_FONT)
for i in range(len(self.entropy)):
try:
pen = QPen(QColor(self.ig.colors[i]), 1, QtCore.Qt.SolidLine)
except Exception as e:
print(e)
print(i, len(self.entropy), len(self.ig.colors))
print(self.ig.colors)
qp.setPen(pen)
# qp.drawText(5, index * 20 + 20, "●")
# qp.drawText(20, index * 20 + (len(self.entropy)+8)*20, "●"+'代表社区%d'%(index+1))
img = QImage('c_plus/%s.png'%(SHAPE_CONFIG[i])).scaled(QSize(15, 15), Qt.IgnoreAspectRatio)
# 显示形状
qp.drawImage(20, (index-.8) * 20 * (UNIFIED_FONT_SIZE/12) + 40, img)
qp.drawText(40, index * 20 * (UNIFIED_FONT_SIZE/12) + 40, '代表社区%d'%(index+1))
# 只显示颜色不显示形状
# qp.drawText(20, index * 20 * (UNIFIED_FONT_SIZE/12) + 40, "●"+'代表社区%d'%(index+1))
pen = QPen(QtCore.Qt.black, 1, QtCore.Qt.SolidLine)
qp.setPen(pen)
# qp.drawText(20, index * 20 + 20,
# '{:<10}{}'.format('社区%d的H(X|Y)值：'%(index + 1), '%.6f'%(self.entropy[i])))
# '{:<10}{}'.format('社区%d的信息熵：'%(index + 1), '%.6f'%(self.entropy[i])))
index += 1
if ig.formulaState:
qp.drawText(20, 20, '{:<10}{}'.format('网络中的H(X|Y)值：', '%.6f'%(sum([i for i in self.entropy]))))
else:
Q = ig.getQ(len(ig.network.communities))
qp.drawText(20, 20, '{:<10}{}'.format('网络中的平均互信息值：', '%s' % (Q if Q is not None else '')))
# qp.drawText(20, (index + 1) * 20, '{:<10}{}'.format('H(X|Y)值的总和：', '%.6f'%(sum([i for i in self.entropy]))))
# qp.drawText(20, (index + 1) * 20, '{:<10}{}'.format('信息熵的总和：', '%.6f'%(sum([i for i in self.entropy]))))
self.descLabel.setGeometry(20, (index + 2) * 20 * (UNIFIED_FONT_SIZE/12), 260, 400)
if self.trigger:
qp.drawText(15, 200, "输出：%f" % sum([i for i in self.entropy]))
class NetworkView(QGraphicsView):
def __init__(self, *__args):
super().__init__(*__args)
self.m_translateButton = Qt.LeftButton
self.m_scale = 1.0
self.m_zoomDelta = 0.1
self.m_translateSpeed = 2.0
self.m_bMouseTranslate = False
self.m_lastMousePos = None
self.setRenderHint(QPainter.Antialiasing)
self.setSceneRect(0, 0, 500, 500)
self.centerOn(0, 0)
# 平移速度
def setTranslateSpeed(self, speed):
# 建议速度范围
assert speed >= 0.0 and speed <= 2.0, "self.setTranslateSpeed: Speed should be in range [0.0, 2.0]."
self.m_translateSpeed = speed
def translateSpeed(self):
return self.m_translateSpeed
# 缩放的增量
def setZoomDelta(self, delta):
# 建议增量范围
assert delta >= 0.0 and delta <= 1.0, "self.setZoomDelta: Delta should be in range [0.0, 1.0]."
self.m_zoomDelta = delta
def zoomDelta(self):
return self.m_zoomDelta
# 上 / 下 / 左 / 右键向各个方向移动、加 / 减键进行缩放、空格 / 回车键旋转
def keyPressEvent(self, event):
messenger.changeStatusBar('Key pressed: %s' % event.key())
# 使用==不能用is，因为类型不同值相同
if event.key() == Qt.Key_Up:
self.translate(0, -2) # 上移
elif event.key() == Qt.Key_Down:
self.translate(0, 2) # 下移
elif event.key() == Qt.Key_Left:
self.translate(-2, 0) # 左移
elif event.key() == Qt.Key_Right:
self.translate(2, 0) # 右移
elif event.key() == Qt.Key_Plus:
self.zoomIn() # 放大
elif event.key() == Qt.Key_Minus:
self.zoomOut() # 缩小
elif event.key() == Qt.Key_Space:
self.rotate(-5) # 逆时针旋转
elif event.key() == Qt.Key_Enter \
or event.key() == Qt.Key_Return:
self.rotate(5)
else:
super().keyPressEvent(event)
# 平移
def mouseMoveEvent(self, event):
messenger.changeStatusBar('Mouse move: %s' % str(event.pos()))
if self.m_bMouseTranslate:
mouseDelta = self.mapToScene(event.pos()) - self.mapToScene(self.m_lastMousePos)
self.translate(mouseDelta.x(), mouseDelta.y())
self.m_lastMousePos = event.pos()
super().mouseMoveEvent(event)
def mousePressEvent(self, event):
messenger.changeStatusBar('Mouse press: %s' % str(event.pos()))
if event.button() == self.m_translateButton:
# 当光标底下没有item时，才能移动
point = self.mapToScene(event.pos())
if self.scene().itemAt(point, self.transform()) is None:
self.m_bMouseTranslate = True
self.m_lastMousePos = event.pos()
super().mousePressEvent(event)
def mouseReleaseEvent(self, event):
messenger.changeStatusBar('Mouse release: %s' % str(event.pos()))
if event.button() == self.m_translateButton:
self.m_bMouseTranslate = False
super().mouseReleaseEvent(event)
# 放大 / 缩小
def wheelEvent(self, event):
# 滚轮的滚动量
scrollAmount = event.angleDelta()
# 正值表示滚轮远离使用者（放大），负值表示朝向使用者（缩小）
if scrollAmount.y() > 0:
self.zoomIn()
messenger.changeStatusBar('Zoom in: %s' % str(self.m_zoomDelta))
else:
self.zoomOut()
messenger.changeStatusBar('Zoom out: %s' % str(self.m_zoomDelta))
# 放大
def zoomIn(self):
self.zoom(1 + self.m_zoomDelta)
# 缩小
def zoomOut(self):
self.zoom(1 - self.m_zoomDelta)
# 缩放 - scaleFactor：缩放的比例因子
def zoom(self, scaleFactor):
# 防止过小或过大
factor = self.transform().scale(scaleFactor, scaleFactor).mapRect(QRectF(0, 0, 1, 1)).width()
if factor < 0.07 or factor > 100:
return
self.scale(scaleFactor, scaleFactor)
self.m_scale *= scaleFactor
# 缩放，可有可无
# if self.m_scale > 1:
# try:
# for i in vLineScene.buttons:
# i.resize(10-(self.m_scale-1)/2, 10-(self.m_scale-1)/2)
# i.move(i.x + self.m_scale/4, i.y + self.m_scale/4)
# except Exception as e:
# print(e)
# 平移
def translate(self, x, y):
messenger.changeStatusBar('Translate: %s' % str((x, y)))
delta = QPoint(x, y)
# 根据当前zoom缩放平移数
delta *= self.m_scale
delta *= self.m_translateSpeed
# super().translate(x, y)
# super().translate(delta.x(), delta.y())
# view根据鼠标下的点作为锚点来定位scene
self.setTransformationAnchor(QGraphicsView.AnchorUnderMouse)
newCenter = QPoint(self.viewport().rect().width() / 2 - delta.x(),
self.viewport().rect().height() / 2 - delta.y())
self.centerOn(self.mapToScene(newCenter))
# scene在view的中心点作为锚点
self.setTransformationAnchor(QGraphicsView.AnchorViewCenter)
class NetworkScene(QGraphicsScene):
def __init__(self, ig, *__args):
super().__init__(*__args)
self.ig = ig
self.buttons = []
self.buttonLabels = []
for i in range(len(self.ig.points)):
b = PointButton(self.ig, i, self.ig.points[i].color)
# b = PointButton(str(self.ig.points[i].name))
b.setToolTip(str(self.ig.points[i].name))
b.move(self.ig.points[i].x, self.ig.points[i].y)
b.resize(POINT_SIZE, POINT_SIZE)
# palette1 = QPalette()
# # palette1.setColor(self.backgroundRole(), QColor(192,253,123)) # 设置背景颜色
# palette1.setBrush(b.backgroundRole(), QBrush(QPixmap('a.png'))) # 设置背景图片
# b.setPalette(palette1)
b.setIcon(QIcon("c_plus/%s.png"%(SHAPE_CONFIG[b.ofCommunity])))
b.setIconSize(QSize(10, 10))
textLabel = QLabel(str(i+1))
textLabel.setText(str(i+1))
textLabel.setFont(LABEL_FONT)
textLabel.move(b.mapFromGlobal(b.getGlobalPos())+QPoint(LABEL_PADDING, LABEL_PADDING))
textLabel.setWordWrap(True)
textLabel.setAttribute(Qt.WA_TranslucentBackground, True)
textLabel.raise_()
self.addWidget(textLabel)
self.addWidget(b)
b.setAttribute(Qt.WA_TranslucentBackground, True)
b.show()
self.buttonLabels.append(textLabel)
self.buttons.append(b)
self.lineItem = []
for i in range(len(self.ig.lines)):
# 初始化默认显示所有
x = self.ig.points[self.ig.lines[i].a - 1].x + POINT_SIZE / 2
y = self.ig.points[self.ig.lines[i].a - 1].y + POINT_SIZE / 2
x1 = self.ig.points[self.ig.lines[i].b - 1].x + POINT_SIZE / 2
y1 = self.ig.points[self.ig.lines[i].b - 1].y + POINT_SIZE / 2
pItem = LineItem(self.ig, i, self.ig.lines[i].color, self)
# 设置直线位于(x1, y1)和(x2, y2)之间
pItem.setLine(QLineF(x, y, x1, y1))
self.lineItem.append(pItem)
pItem.isVisible()
# 将item添加至场景中
self.addItem(pItem)
def reload(self):
for i in range(len(self.ig.points)):
self.buttons[i].move(self.ig.points[i].x, self.ig.points[i].y)
self.buttonLabels[i].move(self.ig.points[i].x+LABEL_PADDING, self.ig.points[i].y+LABEL_PADDING)
for i in range(len(self.ig.lines)):
# 初始化默认显示所有
x = self.ig.points[self.ig.lines[i].a - 1].x + POINT_SIZE / 2
y = self.ig.points[self.ig.lines[i].a - 1].y + POINT_SIZE / 2
x1 = self.ig.points[self.ig.lines[i].b - 1].x + POINT_SIZE / 2
y1 = self.ig.points[self.ig.lines[i].b - 1].y + POINT_SIZE / 2
self.lineItem[i].setLine(QLineF(x, y, x1, y1))
self.restoreScene()
def focusPoint(self, index):
for b in self.buttons:
b.setWindowOpacity(.3)
b.resize(10, 10)
self.buttons[index].setWindowOpacity(1)
self.buttons[index].resize(15, 15)
for line in self.lineItem:
if line.a == index + 1 or line.b == index + 1:
line.setOpacity(line.focus_opacity)
line.focus()
else:
line.restore(saveColor=True)
line.setOpacity(line.ignore_opacity)
def leavePoint(self, saveColor=None):
if saveColor:
for i in range(len(self.buttons)):
self.buttons[i].restore(saveColor=saveColor)
for i in range(len(self.lineItem)):
self.lineItem[i].restore(saveColor=saveColor)
else:
for i in range(len(self.buttons)):
self.buttons[i].restore()
for i in range(len(self.lineItem)):
self.lineItem[i].restore()
def restoreScene(self):
for i in range(len(self.buttons)):
self.buttons[i].show()
self.buttonLabels[i].show()
self.buttons[i].restore()
self.ig.points[i].display = True
for i in range(len(self.lineItem)):
self.lineItem[i].show()
self.lineItem[i].restore()
self.ig.lines[i].display = True
vpFrontView.update()
vpResultView.isRemoveDots = False
vpResultView.isRemovePairs = False
vpResultView.isChangeCommunity = False
vpResultView.updateEntropy()
def updateScene(self):
index = 0
shift = 10
length = len(self.ig.points)
for i in range(length):
if self.ig.points[i].display:
x = self.ig.points[i].x
y = self.ig.points[i].y
# qp.drawPoint(x, y)
# qp.drawText(x + shift, y + shift, str(self.ig.points[i].name))
index += 1
elif self.buttons[i].isVisible:
self.buttons[i].setVisible(False)
self.update()
length = len(self.ig.lines)
for i in range(length):
if not self.ig.lines[i].display and self.lineItem[i].isVisible():
self.lineItem[i].setVisible(False)
continue
elif self.ig.lines[i].display and not self.lineItem[i].isVisible():
self.lineItem[i].setVisible(True)
if self.ig.points[self.ig.lines[i].a - 1].display and self.ig.points[self.ig.lines[i].b - 1].display \
and self.ig.lines[i].display:
x = self.ig.points[self.ig.lines[i].a - 1].x + POINT_SIZE / 2
y = self.ig.points[self.ig.lines[i].a - 1].y + POINT_SIZE / 2
x1 = self.ig.points[self.ig.lines[i].b - 1].x + POINT_SIZE / 2
y1 = self.ig.points[self.ig.lines[i].b - 1].y + POINT_SIZE / 2
# qp.drawLine(x, y, x1, y1)
else:
self.ig.lines[i].display = False
self.lineItem[i].setVisible(False)
def mouseDoubleClickEvent(self, QGraphicsSceneMouseEvent):
self.restoreScene()
class ViewPainter(QWidget):
def __init__(self, ig):
super().__init__()
self.ig = ig
self.initUI()
def initUI(self):
self.setWindowTitle('绘制点')
self.resize(500, 500)
# self.show()
def paintEvent(self, e):
qp = QPainter()
qp.begin(self)
self.drawPoints(qp)
qp.end()
def drawPoints(self, qp):
qp.setPen(QtCore.Qt.red)
size = self.size()
length = len(self.ig.points)
pos = []
index = 0
shift = 10
for i in range(length):
if self.ig.points[i].display:
x = self.ig.points[i].x
y = self.ig.points[i].y
# qp.drawPoint(x, y)
pen = qp.pen()
pen.setColor(QColor(self.ig.points[i].color))