16.3 表格里显示自定义控件

#python 3.4
import sys
from PySide.QtCore import *
from PySide.QtGui import *

class ExampleApp(QDialog):
''' 创建对话框的例子'''
def __init__(self):
# 创建Qt应用程序实例
self.qt_app = QApplication(sys.argv)

# 调用基类构造函数
QDialog.__init__(self, None)

# 设置窗口
self.setWindowTitle('PySide Example')
self.setMinimumSize(300, 200)

#添加一个垂直布局组件
self.vbox = QVBoxLayout()
#添加一个组合框
self.greeting = QComboBox(self)
self.vbox.addWidget(self.greeting)
#往组合框里添加内容
self.greetings = ['测试', 'blog', 'blog.csdn.net/caimouse']
list(map(self.greeting.addItem, self.greetings))

#添加一行输入框
self.recipient = QLineEdit('world', self)
self.vbox.addWidget(self.recipient)
#强制按钮在布局最底部
self.vbox.addStretch(100)

#添加按钮
self.go_button = QPushButton('&Go')
#绑定按钮的响应函数
self.go_button.clicked.connect(self.print_out)
self.vbox.addWidget(self.go_button)

#添加进度条
self.progress = QProgressBar()
self.vbox.addWidget(self.progress)

#设置窗口布局
self.setLayout(self.vbox)

#定时器
self.timer = QTimer(self)
self.connect(self.timer, SIGNAL("timeout()"), self.update)
self.timer.start(1000)
self.timecount = 0

def run(self):
''' 运行程序，并显示主窗口'''
self.show()
self.qt_app.exec_()
self.timer.stop()
def print_out(self):
print(self.recipient.displayText())
def  update(self):
print('timer')
self.recipient.setText('{0}'.format(self.timecount))
self.timecount += 1
self.progress.setValue(self.timecount)
if self.timecount == 100:
self.timecount = 0
app = ExampleApp()
app.run()

16.3 表格里显示自定义控件

#python 3.4
import sys
from PySide.QtCore import *
from PySide.QtGui import *

class DBComboBoxDelegate(QItemDelegate):

def __init__(self, comboModel, parent=None):
QItemDelegate.__init__(self, parent)
self.comboModel = comboModel

def __createComboView(self, parent):
view = QTableView(parent)
view.setModel(self.comboModel)
view.setAutoScroll(False)
view.setHorizontalScrollBarPolicy(Qt.ScrollBarAsNeeded)
view.setSelectionMode(QAbstractItemView.SingleSelection)
view.setSelectionBehavior(QAbstractItemView.SelectRows)
view.resizeColumnsToContents()
view.resizeRowsToContents()
view.setMinimumWidth(view.horizontalHeader().length())
return view

def createEditor(self, parent, option, index):
combo = QComboBox(parent)
#!! The important part: First set the model, then the view on the combo box
combo.setModel(self.comboModel)
#combo.setModelColumn(1)
combo.setView(self.__createComboView(parent))
return combo

def setEditorData(self, editor, index):
value = index.model().data(index, Qt.EditRole)
editor.setCurrentIndex(editor.findText(value))

def setModelData(self, editor, model, index):
if editor.currentIndex() >= 0:
realidx = editor.model().index(editor.currentIndex(), 0) #确保取第一列的值
value = editor.model().data(realidx)
model.setData(index, value, Qt.EditRole)

###############################################################################

if __name__ == '__main__':
app = QApplication(sys.argv)
table = QTableView()

comboModel = QStandardItemModel(4, 2, table)
comboModel.setHorizontalHeaderLabels(['Name', 'Description'])
comboModel.setData(comboModel.index(0, 0, QModelIndex()), '树袋熊')
comboModel.setData(comboModel.index(0, 1, QModelIndex()), '生活在树上的熊')
comboModel.setData(comboModel.index(1, 0, QModelIndex()), '松鼠')
comboModel.setData(comboModel.index(1, 1, QModelIndex()), '可爱的松树精灵')
comboModel.setData(comboModel.index(2, 0, QModelIndex()), '大眼猴')
comboModel.setData(comboModel.index(2, 1, QModelIndex()), '这猴眼睛真大')
comboModel.setData(comboModel.index(3, 0, QModelIndex()), '猫头鹰')
comboModel.setData(comboModel.index(3, 1, QModelIndex()), '夜的精灵正站在树枝上')

model = QStandardItemModel(2, 3, table)
model.setHorizontalHeaderLabels(['Name', 'Height', 'Weight'])
model.setData(model.index(0, 0, QModelIndex()), '松鼠')
model.setData(model.index(0, 1, QModelIndex()), '80cm')
model.setData(model.index(0, 2, QModelIndex()), '12Kg')

table.setModel(model)
table.setItemDelegateForColumn(0, DBComboBoxDelegate(comboModel, table))
table.horizontalHeader().setStretchLastSection(True)
table.setGeometry(80, 20, 400, 300)
table.setWindowTitle('表格和组合框演示')
table.show()

sys.exit(app.exec_())