class QmyMainWindow(QtWidgets.QMainWindow): def __init__(self, parent=None): super().__init__(parent) self.ui = Ui_MainWindow() self.ui.setupUi(self) self.setCentralWidget(self.ui.qSplitter) self.__ColCount = 6 self.itemModel = QStandardItemModel(5, self.__ColCount, self) self.selectionModel = QItemSelectionModel(self.itemModel) self.selectionModel.currentChanged.connect(self.do_curChanged) self.__lastColumnTitle = "测井取样" self.__lastColumnFlags = (Qt.ItemIsSelectable | Qt.ItemIsUserCheckable | Qt.ItemIsEnabled) self.ui.qTableView.setModel(self.itemModel) self.ui.qTableView.setSelectionModel(self.selectionModel) oneOrMore = QAbstractItemView.ExtendedSelection self.ui.qTableView.setSelectionMode(oneOrMore) itemOrRow = QAbstractItemView.SelectItems self.ui.qTableView.setSelectionBehavior(itemOrRow) self.ui.qTableView.verticalHeader().setDefaultSectionSize(22) self.ui.qTableView.setAlternatingRowColors(True) self.ui.qTableView.setEnabled(False) self.qLabel1 = QLabel("当前单元格:", self) self.qLabel1.setMinimumWidth(180) self.qLabel2 = QLabel("单元格内容:", self) self.qLabel2.setMinimumWidth(150) self.qLabel3 = QLabel("当前文件:", self) self.ui.qStatusBar.addWidget(self.qLabel1) self.ui.qStatusBar.addWidget(self.qLabel2) self.ui.qStatusBar.addPermanentWidget(self.qLabel3) def __iniModelFromStringList(self, allLines): rowCnt = len(allLines) self.itemModel.setRowCount(rowCnt - 1) headerText = allLines[0].strip() headerList = headerText.split("\t") self.itemModel.setHorizontalHeaderLabels(headerList) self.__lastColumnTitle = headerList[len(headerList) - 1] lastColNo = self.__ColCount - 1 for i in range(rowCnt - 1): lineText = allLines[i + 1].strip() strList = lineText.split("\t") for j in range(self.__ColCount - 1): item = QStandardItem(strList[j]) self.itemModel.setItem(i, j, item) item = QStandardItem(self.__lastColumnTitle) item.setFlags(self.__lastColumnFlags) item.setCheckable(True) if (strList[lastColNo] == "0"): item.setCheckState(Qt.Unchecked) else: item.setCheckState(Qt.Checked) self.itemModel.setItem(i, lastColNo, item) def __setCellAlignment(self, align=Qt.AlignHCenter): if (not self.selectionModel.hasSelection()): return selectedIndex = self.selectionModel.selectedIndexes() count = len(selectedIndex) for i in range(count): index = selectedIndex[i] item = self.itemModel.itemFromIndex(index) item.setTextAlignment(align) @pyqtSlot() def on_qAction1_triggered(self): # 打开文件 curPath = os.getcwd() filename, flt = QFileDialog.getOpenFileName( self, "打开一个文件", curPath, "井斜数据文件(*.txt);;所有文件(*.*)") if (filename == ""): return self.qLabel3.setText("当前文件:" + filename) self.ui.qPlainTextEdit.clear() aFile = open(filename, 'r') allLines = aFile.readlines() aFile.close() for strLine in allLines: self.ui.qPlainTextEdit.appendPlainText(strLine.strip()) self.__iniModelFromStringList(allLines) self.ui.qTableView.setEnabled(True) self.ui.qAction2.setEnabled(True) self.ui.qAction3.setEnabled(True) self.ui.qAction4.setEnabled(True) self.ui.qAction5.setEnabled(True) self.ui.qAction6.setEnabled(True) @pyqtSlot() def on_qAction2_triggered(self): # 另存文件 curPath = os.getcwd() filename, flt = QFileDialog.getSaveFileName( self, "保存文件", curPath, "井斜数据文件(*.txt);;所有文件(*.*)") if (filename == ""): return self.on_qAction3_triggered() aFile = open(filename, "w") aFile.write(self.ui.qPlainTextEdit.toPlainText()) aFile.close() @pyqtSlot() def on_qAction4_triggered(self): # 添加行 itemList = [] for i in range(self.__ColCount - 1): item = QStandardItem("0") itemList.append(item) item = QStandardItem(self.__lastColumnTitle) item.setCheckable(True) item.setFlags(self.__lastColumnFlags) itemList.append(item) self.itemModel.appendRow(itemList) curIndex = self.itemModel.index(self.itemModel.rowCount() - 1, 0) self.selectionModel.clearSelection() self.selectionModel.setCurrentIndex(curIndex, QItemSelectionModel.Select) @pyqtSlot() def on_qAction5_triggered(self): # 插入行 itemlist = [] for i in range(self.__ColCount - 1): item = QStandardItem("0") itemlist.append(item) item = QStandardItem(self.__lastColumnTitle) item.setFlags(self.__lastColumnFlags) item.setCheckable(True) item.setCheckState(Qt.Checked) itemlist.append(item) curIndex = self.selectionModel.currentIndex() self.itemModel.insertRow(curIndex.row(), itemlist) self.selectionModel.clearSelection() self.selectionModel.setCurrentIndex(curIndex, QItemSelectionModel.Select) @pyqtSlot() def on_qAction6_triggered(self): # 删除行 curIndex = self.selectionModel.currentIndex() self.itemModel.removeRow(curIndex.row()) @pyqtSlot() def on_qAction7_triggered(self): # 居左 self.__setCellAlignment(Qt.AlignLeft | Qt.AlignVCenter) @pyqtSlot() def on_qAction8_triggered(self): # 居中 self.__setCellAlignment(Qt.AlignHCenter | Qt.AlignVCenter) @pyqtSlot() def on_qAction9_triggered(self): # 居右 self.__setCellAlignment(Qt.AlignRight | Qt.AlignVCenter) @pyqtSlot(bool) def on_qAction10_triggered(self, checked): # 粗体 if (not self.selectionModel.hasSelection()): return selectedIndex = self.selectionModel.selectedIndexes() count = len(selectedIndex) for i in range(count): index = selectedIndex[i] item = self.itemModel.itemFromIndex(index) font = item.font() font.setBold(checked) item.setFont(font) @pyqtSlot() def on_qAction3_triggered(self): # 模型数据 self.ui.qPlainTextEdit.clear() lineStr = "" for i in range(self.itemModel.columnCount() - 1): item = self.itemModel.horizontalHeaderItem(i) lineStr = lineStr + item.text() + "\t" item = self.itemModel.horizontalHeaderItem(self.__ColCount - 1) lineStr = lineStr + item.text() self.ui.qPlainTextEdit.appendPlainText(lineStr) for i in range(self.itemModel.rowCount()): lineStr = "" for j in range(self.itemModel.columnCount() - 1): item = self.itemModel.item(i, j) lineStr = lineStr + item.text() + "\t" item = self.itemModel.item(i, self.__ColCount - 1) if (item.checkState() == Qt.Checked): lineStr = lineStr + "1" else: lineStr = lineStr + "0" self.ui.qPlainTextEdit.appendPlainText(lineStr) def do_curChanged(self, current, previous): if (current != None): text = "当前单元格:%d行,%d列" % (current.row(), current.column()) self.qLabel1.setText(text) item = self.itemModel.itemFromIndex(current) self.qLabel2.setText("单元格内容:" + item.text()) font = item.font() self.ui.qAction10.setChecked(font.bold())
class QmyMainWindow(QMainWindow): def __init__(self, parent=None): super().__init__(parent) #调用父类构造函数,创建窗体 self.ui = Ui_MainWindow() #创建Ui对象 self.ui.setupUi(self) #构造UI self.__ColCount = 6 #列数 self.itemModel = QStandardItemModel( 10, self.__ColCount, self) #创建QStandardItemModel类型的数据模型,指定行列值 ''' setSelectionBehavior() 此属性保存视图使用的选择行为。 此属性保存选择是根据单个项目,行还是列进行的 #QItemSelectionModel() 此属性保存视图在哪种选择模式下运行。 #此属性控制用户是否可以选择一个或多个项目,并且在多个项目选择中控制选择是否必须是连续范围的项目 ''' self.selectionModel = QItemSelectionModel(self.itemModel) self.selectionModel.currentChanged.connect( self.do_curChanged) #单元格选择发生变化时会发射此信号 self.__lastColumnTitle = "" #设置最后一列的标题,可以是空 self.__lastColumnFlags = (Qt.ItemIsSelectable | Qt.ItemIsUserCheckable | Qt.ItemIsEnabled) #设置tableView属性 self.ui.tableView.setModel(self.itemModel) #数据模型 self.ui.tableView.setSelectionModel(self.selectionModel) #选择模型 oneOrMore = QAbstractItemView.ExtendedSelection #选择模式->多选模式 self.ui.tableView.setSelectionMode(oneOrMore) #多选模式 itemOrRow = QAbstractItemView.SelectItems #项选择模式->单元格选择 self.ui.tableView.setSelectionBehavior(itemOrRow) #单元格选择 self.ui.tableView.verticalHeader().setDefaultSectionSize(22) self.ui.tableView.setAlternatingRowColors(True) #交替行颜色 self.ui.tableView.setEnabled(False) #设置默认禁用tabelView self.ui.actFontBold.setCheckable(False) self.setCentralWidget(self.ui.splitter) #设置中心组件 # self.setCentralWidget(self.ui.tableView) self.__buildStatusBar() self.spinCeshen = QmyFloatSpinDelegate(0, 10000, 0, self) self.spinLength = QmyFloatSpinDelegate(0, 6000, 2, self) self.spinDegree = QmyFloatSpinDelegate(0, 360, 1, self) self.ui.tableView.setItemDelegateForColumn(0, self.spinCeshen) self.ui.tableView.setItemDelegateForColumn(1, self.spinLength) self.ui.tableView.setItemDelegateForColumn(3, self.spinLength) self.ui.tableView.setItemDelegateForColumn(2, self.spinDegree) qualities = ["优", "良", "合格", "不合格"] self.comboDelegate = QmyComboBoxDelegate(self) self.comboDelegate.setItems(qualities, False) self.ui.tableView.setItemDelegateForColumn(4, self.comboDelegate) ##==========自定义功能函数========== def __buildStatusBar(self): ''' 设置状态栏ui组件 :return: ''' self.LabCellPos = QLabel("当前单元格:", self) self.LabCellPos.setMinimumWidth(180) self.ui.statusBar.addWidget(self.LabCellPos) self.LabCellText = QLabel("单元格内容:", self) self.LabCellText.setMinimumWidth(150) self.ui.statusBar.addWidget(self.LabCellText) self.LabCurFile = QLabel("当前文件:", self) self.ui.statusBar.addWidget(self.LabCurFile) def __iniModelFromStringList(self, allLines): rowCnt = len(allLines) #获取总行数 self.itemModel.setRowCount(rowCnt - 1) #除去表头的数据行数 headerText = allLines[0].strip() #表头去除换行符,文件呢的空格使用Tab代替 headerList = headerText.split("\t") #按照制表符转化为列表 self.itemModel.setHorizontalHeaderLabels(headerList) #设置表头标题 # print(headerList) self.__lastColumnTitle = headerList[len(headerList) - 1] #最后一列的标题 lastColNo = self.__ColCount - 1 #最后一列的列号 for i in range(rowCnt - 1): #除去表头的数据行数 # print(i) lineText = allLines[i + 1].strip() #去除换行符,不包括表头 strList = lineText.split("\t") #按制表符生成列表 for j in range(self.__ColCount - 1): #不包括最后一列 ''' QStandardItem是一个数据结构,他可以存储一个cell的各种信息,比如文本、图标、是否可选、字体、别景色、前景色等等。 并且QStandardItem可以有孩子和兄弟,他是为model提供数据存储的节点。 QTableView:作为表格cell时,有一个作为根节点的QStandardItem,其他节点都是QStandardItem节点的孩子节点,并且都是兄弟节点(这里暂时不考虑多列的情况)。 QTreeView:作为树节点cell时,有一个作为根节点的QStandardItem,其他节点都是他的孩子节点,但是其他节点也可以作为父节点存在(这里暂时不考虑多列的情况)。 ''' item = QStandardItem(strList[j]) self.itemModel.setItem(i, j, item) #设置最后一行 # print(self.__lastColumnTitle) item = QStandardItem(self.__lastColumnTitle) #将最后一行的表头 item.setFlags(self.__lastColumnFlags) item.setCheckable(True) # print(strList[lastColNo]) if strList[lastColNo] == '0': #对比文本内的数值进行设定,类型是字符串 item.setCheckState(Qt.Unchecked) else: item.setCheckState(Qt.Checked) self.itemModel.setItem(i, lastColNo, item) def __setCellAlignment(self, align=Qt.AlignHCenter): if not self.selectionModel.hasSelection(): return ''' selectedIndexes()返回一个元素为QModelIndex类型的列表,包括所有被选中的单元格的模型索引 ''' selectdIndex = self.selectionModel.selectedIndexes() # print(selectdIndex) count = len(selectdIndex) for i in range(count): index = selectdIndex[i] ''' itemFromIndex(index)返回的是模型索引为index的QStandardItem对象 ''' item = self.itemModel.itemFromIndex(index) item.setTextAlignment(align) ##==========事件处理函数=========== ##==========由connectSlotsByName()自动关联的槽函数==== @pyqtSlot() def on_actOpenFile_triggered(self): curPath = os.getcwd() #获取当前路径 # print(curPath)? #flt是文件过滤器 filename, flt = QFileDialog.getOpenFileName( self, "打开一个文件", curPath, "井斜数据文件(*.txt);;所有文件(*.*)") if filename == "": return self.LabCurFile.setText(("当前文件: " + filename)) #设置状态栏文本 self.ui.plainTextEdit.clear() aFile = open(filename, "r") allLines = aFile.readlines() aFile.close() for strLine in allLines: self.ui.plainTextEdit.appendPlainText( strLine.strip()) #按照行添加到plainTextEdit中 self.__iniModelFromStringList(allLines) #设置激活状态 self.ui.tableView.setEnabled(True) self.ui.actAppend.setEnabled(True) self.ui.actInsert.setEnabled(True) self.ui.actDel.setEnabled(True) self.ui.actSaveFile.setEnabled(True) self.ui.actModelData.setEnabled(True) self.ui.actFontBold.setCheckable(True) #设置加粗可用 @pyqtSlot() def on_actAppend_triggered(self): itemlist = [] for i in range(self.__ColCount - 1): #循环一行中的各个列,不包括最后一列 item = QStandardItem("0") #添加0到数据结构中 itemlist.append(item) item = QStandardItem(self.__lastColumnTitle) #将最后一行的表头添加入数据结构 item.setCheckable(True) #可选 item.setFlags(self.__lastColumnFlags) itemlist.append(item) #添加到itemlist内(添加到最后一个) self.itemModel.appendRow(itemlist) curIndex = self.itemModel.index(self.itemModel.rowCount() - 1, 0) #获取最后一行第一个单元格的模型索引 self.selectionModel.clearSelection() #清除选择 self.selectionModel.setCurrentIndex( curIndex, QItemSelectionModel.Select) #设置在添加后自动选择添加行的第一个单元格(可从状态栏确认) @pyqtSlot() def on_actInsert_triggered(self): ''' 插入行 :return: ''' itemlist = [] for i in range(self.__ColCount - 1): item = QStandardItem("0") itemlist.append(item) item = QStandardItem(self.__lastColumnTitle) item.setFlags(self.__lastColumnFlags) item.setCheckable(False) #是否可以修改选择 item.setCheckState(Qt.Checked) #是否选中 itemlist.append(item) curIndex = self.selectionModel.currentIndex() #选中项的模型索引,包括行列等其他信息 self.itemModel.insertRow(curIndex.row(), itemlist) self.selectionModel.clearSelection() self.selectionModel.setCurrentIndex(curIndex, QItemSelectionModel.Select) @pyqtSlot() def on_actDel_triggered(self): ''' 删除行 :return: ''' curIndex = self.selectionModel.currentIndex() self.itemModel.removeRow(curIndex.row()) @pyqtSlot() def on_actAlignLeft_triggered(self): self.__setCellAlignment(Qt.AlignLeft | Qt.AlignVCenter) @pyqtSlot() def on_actAlignCenter_triggered(self): self.__setCellAlignment(Qt.AlignHCenter | Qt.AlignVCenter) @pyqtSlot() def on_actAlignRight_triggered(self): self.__setCellAlignment(Qt.AlignRight | Qt.AlignVCenter) @pyqtSlot(bool) def on_actFontBold_triggered(self, checked): print("1,checked", checked) if not self.selectionModel.hasSelection(): return selectIndex = self.selectionModel.selectedIndexes() for i in range(len(selectIndex)): index = selectIndex[i] item = self.itemModel.itemFromIndex(index) font = item.font() font.setBold(checked) item.setFont(font) @pyqtSlot() def on_actModelData_triggered(self): self.ui.plainTextEdit.clear() lineStr = "" for i in range(self.itemModel.columnCount() - 1): #不包括最后一列的表头遍历 item = self.itemModel.horizontalHeaderItem(i) #返回行标题的一个数据项对象,i是列号 lineStr = lineStr + item.text() + "\t" #给每个项对象的文本添加Tab制表符 item = self.itemModel.horizontalHeaderItem(self.__ColCount - 1) #最后一列的表头 lineStr = lineStr + item.text() self.ui.plainTextEdit.appendPlainText(lineStr) for i in range(self.itemModel.rowCount()): #获取行总数,不包括表头行 lineStr = "" for j in range(self.itemModel.columnCount() - 1): #不包括最后一列的遍历 item = self.itemModel.item(i, j) #按照行列号获取工作区内项对象 lineStr = lineStr + item.text() + "\t" #项对象文本添加制表符 item = self.itemModel.item(i, self.__ColCount - 1) #按照行号获取最后一列的项对象 if item.checkState() == Qt.Checked: #匹配状态是否为选中 lineStr = lineStr + "1" else: lineStr = lineStr + "0" self.ui.plainTextEdit.appendPlainText(lineStr) @pyqtSlot() def on_actSaveFile_triggered(self): ''' 保存文件 :return: ''' curPath = os.getcwd() filename, flt = QFileDialog.getSaveFileName( self, "保存文件", curPath, "井斜数据文件(*.txt);;所有文件(*.*)") if filename == "": return self.on_actModelData_triggered() aFile = open(filename, "w") aFile.write(self.ui.plainTextEdit.toPlainText()) aFile.close() ##=========自定义槽函数============ def do_curChanged(self, current, previous): ''' 设置状态栏组件显示内容 :param current: :param previous: :return: ''' if current != None: text = " 当前单元格: %d行,%d列" % (current.row() + 1, current.column() + 1) self.LabCellPos.setText(text) item = self.itemModel.itemFromIndex(current) self.LabCellText.setText("单元格内容:" + item.text()) font = item.font() self.ui.actFontBold.setChecked( font.bold()) #设置按钮按下,当font.Bold的值大于50式font.blod()会为True
class QmyMainWindow(QMainWindow): def __init__(self, parent=None): super().__init__(parent) #调用父类构造函数,创建窗体 self.ui = Ui_MainWindow() #创建UI对象 self.ui.setupUi(self) #构造UI界面 self.setCentralWidget(self.ui.splitter) self.__buildStatusBar() self.COL_COUNT = 6 #常数,列数=6 self.itemModel = QStandardItemModel(5, self.COL_COUNT, self) # 数据模型,10行6列 ## headerList=["测深(m)","垂深(m)","方位(°)","总位移(m)","固井质量","测井取样"] ## self.itemModel.setHorizontalHeaderLabels(headerList) #设置表头文字 self.selectionModel = QItemSelectionModel(self.itemModel) #Item选择模型 self.selectionModel.currentChanged.connect(self.do_currentChanged) self.__lastColumnFlags = (Qt.ItemIsSelectable | Qt.ItemIsUserCheckable | Qt.ItemIsEnabled) self.__lastColumnTitle = "测井取样" #为tableView设置数据模型 self.ui.tableView.setModel(self.itemModel) #设置数据模型 self.ui.tableView.setSelectionModel(self.selectionModel) #设置选择模型 oneOrMore = QAbstractItemView.ExtendedSelection self.ui.tableView.setSelectionMode(oneOrMore) #可多选 itemOrRow = QAbstractItemView.SelectItems self.ui.tableView.setSelectionBehavior(itemOrRow) #单元格选择 self.ui.tableView.verticalHeader().setDefaultSectionSize(22) #缺省行高 self.ui.tableView.setEnabled(False) #先禁用tableView ## self.__resetTable(5) #创建自定义代理组件并设置 self.spinCeShen = QmyFloatSpinDelegate(0, 10000, 0, self) #用于 测深 self.spinLength = QmyFloatSpinDelegate(0, 6000, 2, self) #垂深,总位移 self.spinDegree = QmyFloatSpinDelegate(0, 360, 1, self) #用于 方位 self.ui.tableView.setItemDelegateForColumn(0, self.spinCeShen) #测深 self.ui.tableView.setItemDelegateForColumn(1, self.spinLength) #垂深 self.ui.tableView.setItemDelegateForColumn(3, self.spinLength) #总位移 self.ui.tableView.setItemDelegateForColumn(2, self.spinDegree) #方位角 qualities = ["优", "良", "合格", "不合格"] self.comboDelegate = QmyComboBoxDelegate(self) self.comboDelegate.setItems(qualities, False) #不可编辑 self.ui.tableView.setItemDelegateForColumn(4, self.comboDelegate) #固井质量 ## ==============自定义功能函数============ def __buildStatusBar(self): ##构建状态栏 self.LabCellPos = QLabel("当前单元格:", self) self.LabCellPos.setMinimumWidth(180) self.ui.statusBar.addWidget(self.LabCellPos) self.LabCellText = QLabel("单元格内容:", self) self.LabCellText.setMinimumWidth(150) self.ui.statusBar.addWidget(self.LabCellText) self.LabCurFile = QLabel("当前文件:", self) self.ui.statusBar.addPermanentWidget(self.LabCurFile) ## def __resetTable(self,tableRowCount): #复位数据表,必须为数值设置0,否则代理组件出错 ## self.itemModel.removeRows(0,self.itemModel.rowCount()) #删除所有行 ## self.itemModel.setRowCount(tableRowCount) #设置新的行数 ## ## for i in range(tableRowCount): #设置最后一列 ## for j in range(self.COL_COUNT-1): ## index=self.itemModel.index(i,j) #获取模型索引 ## item=self.itemModel.itemFromIndex(index) #获取item ## item.setData(0,Qt.DisplayRole) #数值必须初始化为0 ## item.setTextAlignment(Qt.AlignHCenter) ## ## index=self.itemModel.index(i,self.COL_COUNT-1) #获取模型索引 ## item=self.itemModel.itemFromIndex(index) #获取item ## item.setCheckable(True) ## item.setData(self.__lastColumnTitle,Qt.DisplayRole) ## item.setEditable(False) #不可编辑 def __iniModelFromStringList(self, allLines): ##从字符串列表构建模型 rowCnt = len(allLines) #文本行数,第1行是标题 self.itemModel.setRowCount(rowCnt - 1) #实际数据行数 headerText = allLines[0].strip() #第1行是表头,去掉末尾的换行符 "\n" headerList = headerText.split("\t") self.itemModel.setHorizontalHeaderLabels(headerList) self.__lastColumnTitle = headerList[len(headerList) - 1] # 最后一列表头的标题,即“测井取样” lastColNo = self.COL_COUNT - 1 #最后一列的列号 for i in range(rowCnt - 1): lineText = allLines[i + 1].strip() #一行的文字,\t分隔 strList = lineText.split("\t") for j in range(self.COL_COUNT - 1): #不含最后一列 item = QStandardItem(strList[j]) self.itemModel.setItem(i, j, item) item = QStandardItem(self.__lastColumnTitle) #最后一列 item.setFlags(self.__lastColumnFlags) item.setCheckable(True) if (strList[lastColNo] == "0"): item.setCheckState(Qt.Unchecked) else: item.setCheckState(Qt.Checked) self.itemModel.setItem(i, lastColNo, item) #设置最后一列的item def __setCellAlignment(self, align=Qt.AlignHCenter): if (not self.selectionModel.hasSelection()): #没有选择的项 return selectedIndex = self.selectionModel.selectedIndexes() #列表类型 count = len(selectedIndex) for i in range(count): index = selectedIndex[i] #获取其中的一个模型索引 item = self.itemModel.itemFromIndex(index) #获取一个单元格的项数据对象 item.setTextAlignment(align) #设置文字对齐方式 ## ==========由connectSlotsByName() 自动连接的槽函数================== @pyqtSlot() ##“打开文件” def on_actOpen_triggered(self): curPath = os.getcwd() #获取当前路径 filename, flt = QFileDialog.getOpenFileName( self, "打开一个文件", curPath, "井斜数据文件(*.txt);;所有文件(*.*)") if (filename == ""): return self.LabCurFile.setText("当前文件:" + filename) self.ui.plainTextEdit.clear() aFile = open(filename, 'r') allLines = aFile.readlines() #读取所有行,list类型,每行末尾带有 \n ## for eachLine in aFile: #每次读取一行 ## self.ui.plainTextEdit.appendPlainText(eachLine) aFile.close() for strLine in allLines: self.ui.plainTextEdit.appendPlainText(strLine.strip()) self.__iniModelFromStringList(allLines) self.ui.actAppend.setEnabled(True) #更新Actions的enable属性 self.ui.actInsert.setEnabled(True) self.ui.actDelete.setEnabled(True) self.ui.actSave.setEnabled(True) self.ui.actModelData.setEnabled(True) self.ui.tableView.setEnabled(True) #启用tableView @pyqtSlot() ##保存文件 def on_actSave_triggered(self): curPath = os.getcwd() #获取当前路径 filename, flt = QFileDialog.getSaveFileName( self, "保存文件", curPath, "井斜数据文件(*.txt);;所有文件(*.*)") if (filename == ""): return self.on_actModelData_triggered() #更新数据到plainTextEdit aFile = open(filename, 'w') #以写方式打开 aFile.write(self.ui.plainTextEdit.toPlainText()) aFile.close() @pyqtSlot() def on_actAppend_triggered(self): #在最后添加一行 itemlist = [] # 列表 for i in range(self.COL_COUNT - 1): item = QStandardItem("0") itemlist.append(item) item = QStandardItem(self.__lastColumnTitle) #最后一列 item.setCheckable(True) item.setFlags(self.__lastColumnFlags) itemlist.append(item) self.itemModel.appendRow(itemlist) curIndex = self.itemModel.index(self.itemModel.rowCount() - 1, 0) self.selectionModel.clearSelection() self.selectionModel.setCurrentIndex(curIndex, QItemSelectionModel.Select) @pyqtSlot() ##插入一行 def on_actInsert_triggered(self): itemlist = [] # 列表 for i in range(self.COL_COUNT - 1): item = QStandardItem("0") itemlist.append(item) item = QStandardItem(self.__lastColumnTitle) #最后一列 item.setFlags(self.__lastColumnFlags) item.setCheckable(True) item.setCheckState(Qt.Checked) itemlist.append(item) curIndex = self.selectionModel.currentIndex() #获取当前选中项的模型索引 self.itemModel.insertRow(curIndex.row(), itemlist) #在当前行的前面插入一行 self.selectionModel.clearSelection() self.selectionModel.setCurrentIndex(curIndex, QItemSelectionModel.Select) @pyqtSlot() ##删除当前行 def on_actDelete_triggered(self): curIndex = self.selectionModel.currentIndex() #获取当前选择单元格的模型索引 self.itemModel.removeRow(curIndex.row()) # //删除当前行 @pyqtSlot() ##左对齐 def on_actAlignLeft_triggered(self): self.__setCellAlignment(Qt.AlignLeft | Qt.AlignVCenter) @pyqtSlot() ##中间对齐 def on_actAlignCenter_triggered(self): self.__setCellAlignment(Qt.AlignHCenter | Qt.AlignVCenter) @pyqtSlot() ##右对齐 def on_actAlignRight_triggered(self): self.__setCellAlignment(Qt.AlignRight | Qt.AlignVCenter) @pyqtSlot(bool) ##字体Bold def on_actFontBold_triggered(self, checked): if (not self.selectionModel.hasSelection()): #没有选择的项 return selectedIndex = self.selectionModel.selectedIndexes() #列表类型 count = len(selectedIndex) for i in range(count): index = selectedIndex[i] #获取其中的一个模型索引 item = self.itemModel.itemFromIndex(index) #获取一个单元格的项数据对象 font = item.font() font.setBold(checked) item.setFont(font) @pyqtSlot() ##模型数据显示到plainTextEdit里 def on_actModelData_triggered(self): self.ui.plainTextEdit.clear() lineStr = "" for i in range(self.itemModel.columnCount() - 1): #表头 item = self.itemModel.horizontalHeaderItem(i) lineStr = lineStr + item.text() + "\t" item = self.itemModel.horizontalHeaderItem(self.COL_COUNT - 1) #最后一列 lineStr = lineStr + item.text() self.ui.plainTextEdit.appendPlainText(lineStr) for i in range(self.itemModel.rowCount()): lineStr = "" for j in range(self.itemModel.columnCount() - 1): #不包括最后一列 item = self.itemModel.item(i, j) lineStr = lineStr + item.text() + "\t" item = self.itemModel.item(i, self.COL_COUNT - 1) #最后一列 if (item.checkState() == Qt.Checked): lineStr = lineStr + "1" else: lineStr = lineStr + "0" self.ui.plainTextEdit.appendPlainText(lineStr) ## =============自定义槽函数=============================== def do_currentChanged(self, current, previous): if (current != None): #当前模型索引有效 self.LabCellPos.setText( "当前单元格:%d行,%d列" % (current.row(), current.column())) #显示模型索引的行和列号 item = self.itemModel.itemFromIndex(current) #从模型索引获得Item self.LabCellText.setText("单元格内容:" + item.text()) #显示item的文字内容 font = item.font() #获取item的字体 self.ui.actFontBold.setChecked(font.bold()) #更新actFontBold的check状态
class QmyMainWindow(QMainWindow): def __init__(self, parent=None): super().__init__(parent) #调用父类构造函数,创建窗体 self.ui = Ui_MainWindow() #创建UI对象 self.ui.setupUi(self) #构造UI界面 self.setCentralWidget(self.ui.splitter) self.__ColCount = 6 #列数=6 self.itemModel = QStandardItemModel(5, self.__ColCount, self) # 数据模型,10行6列 self.selectionModel = QItemSelectionModel(self.itemModel) #Item选择模型 self.selectionModel.currentChanged.connect(self.do_curChanged) self.__lastColumnTitle = "测井取样" self.__lastColumnFlags = (Qt.ItemIsSelectable | Qt.ItemIsUserCheckable | Qt.ItemIsEnabled) ##tableView设置 self.ui.tableView.setModel(self.itemModel) #设置数据模型 self.ui.tableView.setSelectionModel(self.selectionModel) #设置选择模型 oneOrMore = QAbstractItemView.ExtendedSelection self.ui.tableView.setSelectionMode(oneOrMore) #可多选 itemOrRow = QAbstractItemView.SelectItems self.ui.tableView.setSelectionBehavior(itemOrRow) #单元格选择 self.ui.tableView.verticalHeader().setDefaultSectionSize(22) #缺省行高 self.ui.tableView.setAlternatingRowColors(True) #交替行颜色 self.ui.tableView.setEnabled(False) #先禁用tableView self.__buildStatusBar() ## ==============自定义功能函数============ def __buildStatusBar(self): ##构建状态栏 self.LabCellPos = QLabel("当前单元格:", self) self.LabCellPos.setMinimumWidth(180) self.ui.statusBar.addWidget(self.LabCellPos) self.LabCellText = QLabel("单元格内容:", self) self.LabCellText.setMinimumWidth(150) self.ui.statusBar.addWidget(self.LabCellText) self.LabCurFile = QLabel("当前文件:", self) self.ui.statusBar.addPermanentWidget(self.LabCurFile) def __iniModelFromStringList(self, allLines): ##从字符串列表构建模型 rowCnt = len(allLines) #文本行数,第1行是标题 self.itemModel.setRowCount(rowCnt - 1) #实际数据行数 headerText = allLines[0].strip() #第1行是表头,去掉末尾的换行符 "\n" headerList = headerText.split("\t") #转换为字符串列表 self.itemModel.setHorizontalHeaderLabels(headerList) #设置表头标题 self.__lastColumnTitle = headerList[len(headerList) - 1] # 最后一列表头的标题,即“测井取样” lastColNo = self.__ColCount - 1 #最后一列的列号 for i in range(rowCnt - 1): lineText = allLines[i + 1].strip() #一行的文字,\t分隔 strList = lineText.split("\t") #分割为字符串列表 for j in range(self.__ColCount - 1): #不含最后一列 item = QStandardItem(strList[j]) self.itemModel.setItem(i, j, item) #设置模型的item item = QStandardItem(self.__lastColumnTitle) #最后一列 item.setFlags(self.__lastColumnFlags) item.setCheckable(True) if (strList[lastColNo] == "0"): item.setCheckState(Qt.Unchecked) else: item.setCheckState(Qt.Checked) self.itemModel.setItem(i, lastColNo, item) #设置最后一列的item def __setCellAlignment(self, align=Qt.AlignHCenter): if (not self.selectionModel.hasSelection()): #没有选择的项 return selectedIndex = self.selectionModel.selectedIndexes() #模型索引列表 count = len(selectedIndex) for i in range(count): index = selectedIndex[i] #获取其中的一个模型索引 item = self.itemModel.itemFromIndex(index) #获取一个单元格的项数据对象 item.setTextAlignment(align) #设置文字对齐方式 ## ==========由connectSlotsByName() 自动连接的槽函数================== @pyqtSlot() ##“打开文件” def on_actOpen_triggered(self): ## curPath=QDir.currentPath() #获取当前路径 curPath = os.getcwd() #获取当前路径 filename, flt = QFileDialog.getOpenFileName( self, "打开一个文件", curPath, "井斜数据文件(*.txt);;所有文件(*.*)") if (filename == ""): return self.LabCurFile.setText("当前文件:" + filename) self.ui.plainTextEdit.clear() aFile = open(filename, 'r') allLines = aFile.readlines() #读取所有行,list类型,每行末尾带有 \n aFile.close() for strLine in allLines: self.ui.plainTextEdit.appendPlainText(strLine.strip()) self.__iniModelFromStringList(allLines) self.ui.tableView.setEnabled(True) #tableView可用 self.ui.actAppend.setEnabled(True) #更新Actions的enable属性 self.ui.actInsert.setEnabled(True) self.ui.actDelete.setEnabled(True) self.ui.actSave.setEnabled(True) self.ui.actModelData.setEnabled(True) @pyqtSlot() ##保存文件 def on_actSave_triggered(self): ## curPath=QDir.currentPath() #获取当前路径 curPath = os.getcwd() #获取当前路径 filename, flt = QFileDialog.getSaveFileName( self, "保存文件", curPath, "井斜数据文件(*.txt);;所有文件(*.*)") if (filename == ""): return self.on_actModelData_triggered() #更新数据到plainTextEdit aFile = open(filename, 'w') #以写方式打开 aFile.write(self.ui.plainTextEdit.toPlainText()) aFile.close() @pyqtSlot() ##在最后添加一行 def on_actAppend_triggered(self): itemlist = [] # QStandardItem 对象列表 for i in range(self.__ColCount - 1): #不包括最后一列 item = QStandardItem("0") itemlist.append(item) item = QStandardItem(self.__lastColumnTitle) #最后一列 item.setCheckable(True) item.setFlags(self.__lastColumnFlags) itemlist.append(item) self.itemModel.appendRow(itemlist) #添加一行 curIndex = self.itemModel.index(self.itemModel.rowCount() - 1, 0) self.selectionModel.clearSelection() self.selectionModel.setCurrentIndex(curIndex, QItemSelectionModel.Select) @pyqtSlot() ##插入一行 def on_actInsert_triggered(self): itemlist = [] # QStandardItem 对象列表 for i in range(self.__ColCount - 1): #不包括最后一列 item = QStandardItem("0") itemlist.append(item) item = QStandardItem(self.__lastColumnTitle) #最后一列 item.setFlags(self.__lastColumnFlags) item.setCheckable(True) item.setCheckState(Qt.Checked) itemlist.append(item) curIndex = self.selectionModel.currentIndex() #获取当前选中项的模型索引 self.itemModel.insertRow(curIndex.row(), itemlist) #在当前行的前面插入一行 self.selectionModel.clearSelection() self.selectionModel.setCurrentIndex(curIndex, QItemSelectionModel.Select) @pyqtSlot() ##删除当前行 def on_actDelete_triggered(self): curIndex = self.selectionModel.currentIndex() #获取当前选择单元格的模型索引 self.itemModel.removeRow(curIndex.row()) #删除当前行 @pyqtSlot() ##左对齐 def on_actAlignLeft_triggered(self): self.__setCellAlignment(Qt.AlignLeft | Qt.AlignVCenter) @pyqtSlot() ##中间对齐 def on_actAlignCenter_triggered(self): self.__setCellAlignment(Qt.AlignHCenter | Qt.AlignVCenter) @pyqtSlot() ##右对齐 def on_actAlignRight_triggered(self): self.__setCellAlignment(Qt.AlignRight | Qt.AlignVCenter) @pyqtSlot(bool) ##字体Bold def on_actFontBold_triggered(self, checked): if (not self.selectionModel.hasSelection()): #没有选择的项 return selectedIndex = self.selectionModel.selectedIndexes() #模型索引列表 count = len(selectedIndex) for i in range(count): index = selectedIndex[i] #获取其中的一个模型索引 item = self.itemModel.itemFromIndex(index) #获取一个单元格的项数据对象 font = item.font() font.setBold(checked) item.setFont(font) @pyqtSlot() ##模型数据显示到plainTextEdit里 def on_actModelData_triggered(self): self.ui.plainTextEdit.clear() lineStr = "" for i in range(self.itemModel.columnCount() - 1): #表头,不含最后一列 item = self.itemModel.horizontalHeaderItem(i) lineStr = lineStr + item.text() + "\t" item = self.itemModel.horizontalHeaderItem(self.__ColCount - 1) #最后一列 lineStr = lineStr + item.text() #表头文字字符串 self.ui.plainTextEdit.appendPlainText(lineStr) for i in range(self.itemModel.rowCount()): lineStr = "" for j in range(self.itemModel.columnCount() - 1): #不包括最后一列 item = self.itemModel.item(i, j) lineStr = lineStr + item.text() + "\t" item = self.itemModel.item(i, self.__ColCount - 1) #最后一列 if (item.checkState() == Qt.Checked): lineStr = lineStr + "1" else: lineStr = lineStr + "0" self.ui.plainTextEdit.appendPlainText(lineStr) ## =============自定义槽函数=============================== def do_curChanged(self, current, previous): if (current != None): #当前模型索引有效 text = "当前单元格:%d行,%d列" % (current.row(), current.column()) self.LabCellPos.setText(text) item = self.itemModel.itemFromIndex(current) #从模型索引获得Item self.LabCellText.setText("单元格内容:" + item.text()) #显示item的文字内容 font = item.font() #获取item的字体 self.ui.actFontBold.setChecked(font.bold()) #更新actFontBold的check状态