Question

如何使用搜索字符串检查每行每一列的每个显示角色的值来过滤QTableView中的行？在这种情况下，请记住，可以根据复选框更改可见的列。同时保持通过单击“列”标题对行进行排序的功能。

import os, sys, json, pprint
sys.path.append(os.environ.get('PS_SITEPACKAGES'))
from Qt import QtGui, QtWidgets, QtCore


class QDictTableView(QtWidgets.QWidget):

    def __init__(self, *args, **kwargs):
        super(QDictTableView, self).__init__(*args, **kwargs)
        self.resize(400,300)

        # controls
        self.ui_search_input = QtWidgets.QLineEdit()
        self.ui_search_input.setPlaceholderText('Search...')

        self.ui_name_filter = QtWidgets.QCheckBox('Name')
        self.ui_age_filter = QtWidgets.QCheckBox('Age')
        self.ui_career_filter = QtWidgets.QCheckBox('Career')

        self.ui_item_table = QtWidgets.QTableView()
        self.ui_item_table.setEditTriggers(QtWidgets.QAbstractItemView.NoEditTriggers)
        self.ui_item_table.setSelectionBehavior(QtWidgets.QAbstractItemView.SelectRows)
        self.ui_item_table.verticalHeader().hide()
        self.ui_item_table.setModel(QtGui.QStandardItemModel())

        # lay main
        lay_filters = QtWidgets.QHBoxLayout()
        lay_filters.addWidget(self.ui_name_filter)
        lay_filters.addWidget(self.ui_age_filter)
        lay_filters.addWidget(self.ui_career_filter)

        lay_main = QtWidgets.QVBoxLayout()
        lay_main.setAlignment(QtCore.Qt.AlignTop)
        lay_main.addWidget(self.ui_search_input)
        lay_main.addLayout(lay_filters)
        lay_main.addWidget(self.ui_item_table)
        self.setLayout(lay_main)

        # connections
        self.ui_search_input.textChanged.connect(self.changed_text)
        self.ui_name_filter.stateChanged.connect(self.populate_table)
        self.ui_age_filter.stateChanged.connect(self.populate_table)
        self.ui_career_filter.stateChanged.connect(self.populate_table)

        # being
        self.populate_table()
        self.ui_name_filter.setChecked(True)
        self.ui_age_filter.setChecked(True)
        self.ui_career_filter.setChecked(True)


    # methods
    def changed_text(self, text):
        print 'SEARCHING:', text


    def populate_table(self):
        people = [
            {'name': 'Kevin', 'age': 5, 'career': 'athlete'},
            {'name': 'Maggie', 'age': 13, 'career': 'banker'},
            {'name': 'Leslie', 'age': 32, 'career': 'banker'},
            {'name': 'Emily', 'age': 45, 'career': 'athlete'},
            {'name': 'David', 'age': 27, 'career': 'banker'},
            {'name': 'Marie', 'age': 63, 'career': 'secretary'}
        ]

        model = self.ui_item_table.model()
        model.clear()
        self.ui_item_table.setSortingEnabled(False)

        # column headers
        headers = []
        if self.ui_name_filter.isChecked():
            headers.append('Name')
        if self.ui_age_filter.isChecked():
            headers.append('Age')
        if self.ui_career_filter.isChecked():
            headers.append('Career')
        model.setHorizontalHeaderLabels(headers)
        # model.setHeaderData( i, Qt::Horizontal,thermoNames.at(i));

        # populate rows
        for x in people:

            row = []

            if self.ui_name_filter.isChecked():
                col = QtGui.QStandardItem()
                col.setData(x.get('name', 'NA'), role=QtCore.Qt.DisplayRole)
                col.setData(x, role=QtCore.Qt.UserRole)
                row.append(col)

            if self.ui_age_filter.isChecked():
                col = QtGui.QStandardItem()
                col.setData(x.get('age', 'NA'), role=QtCore.Qt.DisplayRole)
                col.setData(x, role=QtCore.Qt.UserRole)
                row.append(col)
                headers.append('Age')

            if self.ui_career_filter.isChecked():
                col = QtGui.QStandardItem()
                col.setData(x.get('career', 'NA'), role=QtCore.Qt.DisplayRole)
                col.setData(x, role=QtCore.Qt.UserRole)
                row.append(col)
                headers.append('Career')

            model.appendRow(row)

        # update ui after
        self.ui_item_table.setSortingEnabled(True)
        self.ui_item_table.sortByColumn(0, QtCore.Qt.AscendingOrder)



if __name__ == '__main__':
    app = QtWidgets.QApplication(sys.argv)
    ex = QDictTableView()
    ex.show()
    sys.exit(app.exec_())

Answer 1

如果要过滤数据，则必须使用QSortFilterProxyModel并覆盖filterAcceptsRow()方法，另一方面，每次创建模型都不理想，您只能用{{ {} {1}}的1}}方法。

setColumnHidden()

使用PySide搜索QTableView中的所有行

1 个答案: