如果分析逻辑,可以看到数据具有树的结构:
root
âââ measurements set 1
â  âââ P1-P2
â  âââ P3-P4
âââ measurements set 2
âââ P5-P6
âââ P7-P8
所以它将被用来
QComboBox
支持作为模型的信息源,并确定使用哪个图纸显示
rootModelIndex
,在下一部分中,我将创建一个涉及
QComboBox
另外,这是由另一个级别定义的,除了观察依赖性之外,还将使用
QTreeView
.
import sys
from PySide2.QtWidgets import *
from PySide2.QtGui import *
class Widget(QWidget):
def __init__(self, parent=None):
QWidget.__init__(self, parent)
play = QVBoxLayout(self)
lay = QHBoxLayout()
self.model = create_model(d)
self.treeView = QTreeView()
play.addLayout(lay)
play.addWidget(self.treeView)
self.treeView.setModel(self.model)
self.treeView.expandAll()
ix = self.model.index(0, 0)
self.combos = []
while self.model.hasChildren(ix):
combo = QComboBox()
combo.setModel(self.model)
lay.addWidget(combo)
combo.setRootModelIndex(ix)
combo.setCurrentIndex(0)
ix = ix.child(0, 0)
combo.currentIndexChanged.connect(self.on_currentIndexChanged)
self.combos.append(combo)
def next_combo(self, combo):
ix = self.combos.index(combo)
if ix != len(self.combos)-1:
return self.combos[ix+1]
def on_currentIndexChanged(self, index):
combo = self.sender()
combo_child = self.next_combo(combo)
if combo_child:
p_ix = combo.rootModelIndex()
ix = p_ix.child(index, 0)
combo_child.setRootModelIndex(ix)
combo_child.setCurrentIndex(0)
def load_childrens(values, parent):
for value in values:
name = value["name"]
dependencies = value["dependencies"]
item = QStandardItem(name)
parent.appendRow(item)
load_childrens(dependencies, item)
def create_model(info):
model = QStandardItemModel()
root = QStandardItem("root")
model.appendRow(root)
load_childrens(info, root)
return model
d = [{
'name': 'measurements set 1',
'dependencies': [
{
'name': 'P1-P2',
'dependencies': [
{
'name': "T1",
"dependencies" : []
},
{
'name': "T2",
"dependencies" : []
}
]
},
{
'name': 'P3-P4',
'dependencies': [
{
'name': "T3",
"dependencies" : []
},
{
'name': "T4",
"dependencies" : []
}
]
}
],
},
{
'name': 'measurements set 2',
'dependencies': [
{
'name': 'P5-P6',
'dependencies': [
{
'name': "T5",
"dependencies" : []
},
{
'name': "T6",
"dependencies" : []
}
]
},
{
'name': 'P7-P8',
'dependencies': [
{
'name': "T7",
"dependencies" : []
},
{
'name': "T8",
"dependencies" : []
}
]
}
],
}]
if __name__ == '__main__':
app = QApplication(sys.argv)
w = Widget()
w.show()
sys.exit(app.exec_())
在您的情况下,代码如下所示:
from PySide2.QtWidgets import QWidget, QApplication, QGraphicsView, QGridLayout, QComboBox, \
QGraphicsScene, QGraphicsPixmapItem, QCheckBox, QLineEdit, QVBoxLayout, QHBoxLayout
from PySide2.QtCore import Signal, QPoint, Qt
from PySide2.QtGui import QPixmap, QStandardItemModel, QStandardItem, QCursor
image_path_str='image.jpg'
class View(QGraphicsView):
photo_clicked = Signal(QPoint)
def __init__(self, parent):
super(View, self).__init__()
self.scene = QGraphicsScene(self)
self.photo = QGraphicsPixmapItem()
self.scene.addItem(self.photo)
self.pixmap = QPixmap(image_path_str)
self.photo.setPixmap(self.pixmap)
self.setScene(self.scene)
self.setDragMode(QGraphicsView.ScrollHandDrag)
class Window(QWidget):
def __init__(self):
super(Window, self).__init__()
self.view = View(self)
self.layout_contain_P1_P2 = QGridLayout()
self.checkbox_P1= QCheckBox("P1",self)
self.line_edit_P1_x = QLineEdit(self)
self.line_edit_P1_x.setReadOnly(True)
self.line_edit_P1_y = QLineEdit(self)
self.line_edit_P1_y.setReadOnly(True)
self.layout_contain_P1_P2.addWidget(self.checkbox_P1, 0, 0, Qt.AlignLeft)
self.grid_layout_P1_x_y = QGridLayout()
self.grid_layout_P1_x_y.addWidget(self.line_edit_P1_x, 1, 0, Qt.AlignLeft)
self.grid_layout_P1_x_y.addWidget(self.line_edit_P1_y, 2, 0, Qt.AlignLeft)
self.layout_contain_P1_P2.addLayout(self.grid_layout_P1_x_y, 0, 1, 1, 1)
self.checkbox_P2 = QCheckBox("P2",self)
self.line_edit_P2_x = QLineEdit(self)
self.line_edit_P2_x.setReadOnly(True)
self.line_edit_P2_y = QLineEdit(self)
self.line_edit_P2_y.setReadOnly(True)
self.layout_contain_P1_P2.addWidget(self.checkbox_P2, 1, 0, Qt.AlignLeft)
self.grid_layout_P2_x_y = QGridLayout()
self.grid_layout_P2_x_y.addWidget(self.line_edit_P2_x, 0, 0, Qt.AlignLeft)
self.grid_layout_P2_x_y.addWidget(self.line_edit_P2_y, 1, 0, Qt.AlignLeft)
self.layout_contain_P1_P2.addLayout(self.grid_layout_P2_x_y, 1, 1, Qt.AlignLeft)
self.vertical1= QVBoxLayout()
self.model = create_model(d)
ix = self.model.index(0, 0)
self.combos = []
while self.model.hasChildren(ix):
combo = QComboBox()
combo.setModel(self.model)
self.vertical1.addWidget(combo)
combo.setRootModelIndex(ix)
combo.setCurrentIndex(0)
ix = ix.child(0, 0)
combo.currentIndexChanged.connect(self.on_currentIndexChanged)
self.combos.append(combo)
self.vertical1.addLayout(self.layout_contain_P1_P2)
self.vertical2= QVBoxLayout()
self.vertical2.addWidget(self.view)
self.horizontal= QHBoxLayout()
self.horizontal.addLayout(self.vertical1)
self.horizontal.addLayout(self.vertical2)
self.setLayout(self.horizontal)
self.setWindowTitle("Image viewer")
self.setGeometry(200, 200, 1000, 800)
def next_combo(self, combo):
ix = self.combos.index(combo)
if ix != len(self.combos)-1:
return self.combos[ix+1]
def on_currentIndexChanged(self, index):
combo = self.sender()
combo_child = self.next_combo(combo)
if combo_child:
p_ix = combo.rootModelIndex()
ix = p_ix.child(index, 0)
combo_child.setRootModelIndex(ix)
combo_child.setCurrentIndex(0)
def load_childrens(values, parent):
for value in values:
name = value["name"]
dependencies = value["dependencies"]
item = QStandardItem(name)
parent.appendRow(item)
load_childrens(dependencies, item)
def create_model(info):
model = QStandardItemModel()
root = QStandardItem("root")
model.appendRow(root)
load_childrens(info, root)
return model
d = [{
'name': 'measurements set 1',
'dependencies': [
{
'name': 'P1-P2',
'dependencies': []
},
{
'name': 'P3-P4',
'dependencies': []
}
],
},
{
'name': 'measurements set 2',
'dependencies': [
{
'name': 'P5-P6',
'dependencies': []
},
{
'name': 'P7-P8',
'dependencies': []
}
],
}]
if __name__ == '__main__':
import sys
app = QApplication(sys.argv)
w = Window()
w.show()
app.setOverrideCursor(QCursor(Qt.CrossCursor))
sys.exit(app.exec_())
