2 つのタブを持つプログラムを作成しようとしています。Tab1 で、画像からポイント座標 (x,y) を値に選択しますself.a。画像に加えて、Tab1 には他の UI (テーブルなど) もあります。self.aここで、値を Tab2に渡したいと思います(他のすべてのものを継承せずに)。新しいポイントがクリックされると、self.a は常に更新される可能性があることに注意してください。
from PySide import QtGui, QtCore
import pandas as pd
import pyqtgraph as pg
import numpy as np
QVariant = lambda value=None: value
class Widget(QtGui.QWidget):
def __init__(self, parent=None):
super().__init__(parent)
v_global_layout = QtGui.QVBoxLayout()
v_global_layout.addWidget(TabDialog())
v_global_layout.setAlignment(QtCore.Qt.AlignTop)
self.setLayout(v_global_layout)
class TabDialog(QtGui.QDialog):
def __init__(self, parent=None):
super().__init__(parent)
tab_widget = QtGui.QTabWidget()
tab_widget.addTab(Tab1(), "1")
tab_widget.addTab(Tab2(), "2")
main_layout = QtGui.QVBoxLayout()
main_layout.addWidget(tab_widget)
self.setLayout(main_layout)
class Tab1(QtGui.QTabWidget):
def __init__(self):
super().__init__()
layout = QtGui.QHBoxLayout()
self.fig = pg.PlotWidget(name='Example: Selecting scatter points')
self.plot_area = self.fig.plotItem
self.a = pg.ScatterPlotItem(pxMode=False)
spots = []
for i in range(10):
for j in range(10):
spots.append({'pos': (1*i, 1*j), 'size': 1, 'pen': {'color': 'w', 'width': 2},
'brush': pg.intColor(i*10+j, 100)})
self.a.addPoints(spots)
self.plot_area.addItem(self.a)
self.a.dataModel = DataFrameModel()
self.a.dataTable = QtGui.QTableView()
self.a.dataTable.setModel(self.a.dataModel)
layout.addWidget(self.a.dataTable)
layout.addWidget(self.fig)
self.setLayout(layout)
self.a.array = np.zeros((0, 2))
def clicked(self, points):
for p in points:
p.setPen('b', width=2)
position = p.viewPos()
self.array = np.append(self.array, np.array([[position.x(), position.y()]]), axis=0)
c = range(len(self.array))
c = list(map(str, c))
self.dataModel.signalUpdate(self.array, columns=c)
self.dataModel.printValues() # also: print(self.array)
self.a.sigClicked.connect(clicked)
class Tab2(QtGui.QTabWidget):
def __init__(self):
super().__init__()
layout = QtGui.QHBoxLayout()
##### Here I want to use Tab1.a and not inherit all the other stuff(layout) #####
#print("values = ", Tab1.a.array) # a should change when a new point is selected in Tab1
#####################################
self.setLayout(layout)
class DataFrameModel(QtCore.QAbstractTableModel):
""" data model for a DataFrame class """
def __init__(self):
super(DataFrameModel, self).__init__()
self.df = pd.DataFrame()
def signalUpdate(self, dataIn, columns):
self.df = pd.DataFrame(dataIn, columns)
self.layoutChanged.emit()
def printValues(self):
print("DataFrame values:\n", self.df.values)
def values(self):
return self.df.values
#------------- table display functions -----------------
def headerData(self, section, orientation, role=QtCore.Qt.DisplayRole):
if role != QtCore.Qt.DisplayRole:
return QVariant()
if orientation == QtCore.Qt.Horizontal:
try:
return self.df.columns.tolist()[section]
except (IndexError, ):
return QVariant()
elif orientation == QtCore.Qt.Vertical:
try:
# return self.df.index.tolist()
return self.df.index.tolist()[section]
except (IndexError, ):
return QVariant()
def data(self, index, role=QtCore.Qt.DisplayRole):
if role != QtCore.Qt.DisplayRole:
return QVariant()
if not index.isValid():
return QVariant()
return QVariant(str(self.df.ix[index.row(), index.column()]))
def rowCount(self, index=QtCore.QModelIndex()):
return self.df.shape[0]
def columnCount(self, index=QtCore.QModelIndex()):
return self.df.shape[1]
if __name__ == '__main__':
import sys
app = QtGui.QApplication(sys.argv)
main_window = Widget()
main_window.setGeometry(100, 100, 640, 480)
main_window.show()
sys.exit(app.exec_())