StyleSheetDemo Example

import sys, os
sys.path.append(os.path.dirname(os.path.realpath(__file__)) + "/../../shared")

from DevMachines import __pyside2__, __pyside6__
from DevMachines import QtitanBase
from DevMachines.QtitanBase import Qtitan
from DevMachines.QtitanGrid import (getGridVersion, Grid, GridViewOptions,
                                    GridColumn, GridEditor, GridSummary,
                                    ContextMenuEventArgs, CellButtonClickEventArgs)

if __pyside2__:
    from PySide2 import QtCore
    from PySide2.QtCore import Qt, QTime, QDate, QAbstractItemModel, QModelIndex, QFile, QTextCodec
    from PySide2.QtWidgets import (QWidget, QApplication, QTextEdit, QDialog, QVBoxLayout, QHBoxLayout, QPushButton,
                                   QSlider, QLabel, QCheckBox, QComboBox, QMessageBox, QSplitter)

if __pyside6__:
    from PySide6 import QtCore
    from PySide6.QtCore import Qt, QTime, QDate, QAbstractItemModel, QModelIndex, QFile, QTextStream
    from PySide6.QtWidgets import (QWidget, QApplication, QTextEdit, QDialog, QVBoxLayout, QHBoxLayout, QPushButton,
                                   QSlider, QLabel, QCheckBox, QComboBox, QMessageBox, QSplitter)

import StyleSheetDemo_rc

from DemoMainWindow import DemoMainWindow

def rand_value(low, high):
    return qrand() % ((high + 1) - low) + low

class DataItem:
    v0 = None
    v1 = None
    v2 = None
    v3 = None

class CustomFilterModel(QAbstractItemModel):
    def __init__(self, parent):
        QAbstractItemModel.__init__(self, parent)

        self.values = list(range(0, 100))

        y = 2012
        m = 1
        d = 1
        for i in self.values:
            item = DataItem()
            item.v0 = i
            item.v1 = "String = " + str(i)
            item.v3 = QTime(12, 0, 0)
            if d > 28:
                d = 1
                m = m + 1
                if m > 12:
                    m = 1
                    y = y + 1

            item.v2 = QDate(y, m, d)
            if not ((i + 1) % 10):
                d = d + 1
            self.values[i] = item

    def headerData(self, section, orientation, role):
        if section == 0:
            return "Integer"
        elif section == 1:
            return "String"
        elif section == 2:
            return "Date"
        elif section == 3:
            return "Time"
        return None

    def parent(self, child):
        return QModelIndex()

    def hasChildren(self, parent):
        if parent.model() == self or not parent.isValid():
            return self.rowCount(parent) > 0 and self.columnCount(parent) > 0
        return False

    def rowCount(self, parent):
        if parent.isValid():
            return 0
        return len(self.values)

    def columnCount(self, parent):
        if parent.isValid():
            return 0
        return 4

    def index(self, row, column, parent):
        if parent.isValid():
            return QModelIndex()

        if row < 0 or row >= self.rowCount(parent):
            return QModelIndex()

        if column < 0 or column >= self.columnCount(parent):
            return QModelIndex()

        return self.createIndex(row, column, parent)

    def data(self, index, role):
        if not index.isValid():
            return None

        if index.row() < 0 or index.row() >= self.rowCount(index.parent()):
            return None

        if index.column() < 0 or index.column() >= self.columnCount(index.parent()):
            return None

        if role == Qt.DisplayRole or role == Qt.EditRole:
            if index.column() == 0:
                return self.values[index.row()].v0
            elif index.column() == 1:
                return self.values[index.row()].v1
            elif index.column() == 2:
                return self.values[index.row()].v2
            elif index.column() == 3:
                return self.values[index.row()].v3
        return None

    def setData(self, index, value, role):
        if not index.isValid():
            return False

        if index.row() < 0 or index.row() >= self.rowCount(index.parent()):
            return False

        if index.column() < 0 or index.column() >= self.columnCount(index.parent()):
            return False

        if role != Qt.EditRole:
            return False

        if index.column() == 0:
            self.values[index.row()].v0 = int(value)
        elif index.column() == 1:
            self.values[index.row()].v1 = str(value)
        elif index.column() == 2:
            self.values[index.row()].v2 = value
        elif index.column() == 3:
            self.values[index.row()].v3 = value

        self.dataChanged.emit(index, index)
        return True

    def flags(self, index):
        if not index.isValid():
            return Qt.ItemFlags()
        return Qt.ItemIsEnabled | Qt.ItemIsEditable

class Window(DemoMainWindow):
    def __init__(self):
        DemoMainWindow.__init__(self, "QtitanDataGrid", getGridVersion())

        self.setWindowTitle(self.tr("Style Sheet Demo"))
        self.setGeometry(50, 50, 800, 500)

        Grid.loadTranslation()

        self.grid = Grid()

        # Configure grid view
        self.grid.setViewType(Grid.TableView)
        view = self.grid.view()
        view.options().setFooterSummaryVisible(True)
        view.options().setGroupSummaryPlace(GridViewOptions.SummaryRowFooter)

        # view.options().setGridLineWidth(0)
        # view.tableOptions().setColumnAutoWidth(True)

        # Connect Grid's context menu handler.
        self.connect(view, QtCore.SIGNAL("contextMenu(ContextMenuEventArgs*)"), self, QtCore.SLOT("contextMenu(ContextMenuEventArgs* )"))

        model = CustomFilterModel(self.grid)
        view.setModel(model)

        column = view.getColumn(0)
        column.setFixedPosition(Qtitan.AtBeginning)
        column.setEditorType(GridEditor.Numeric)
        column.editorRepository().setMinimum(-10000)
        column.editorRepository().setMaximum(10000)
        column.editorRepository().setEditorActivationPolicy(
            GridEditor.ActivationPolicy(GridEditor.ActivationPolicy(GridEditor.ActivateByDblClick | GridEditor.ActivateByEditPress)))

        column = view.getColumn(1)
        column.setEditorType(GridEditor.String)
        column.editorRepository().setValidateOnEnter(False)
        column.editorRepository().setEditorActivationPolicy(
            GridEditor.ActivationPolicy(GridEditor.ActivationPolicy(GridEditor.ActivateByDblClick | GridEditor.ActivateByEditPress)))

        column = view.getColumn(2)
        column.setEditorType(GridEditor.Date)
        column.editorRepository().setAutoSelect(True)
        column.editorRepository().setEditorActivationPolicy(
            GridEditor.ActivationPolicy(GridEditor.ActivationPolicy(GridEditor.ActivateByDblClick | GridEditor.ActivateByEditPress)))
        column.setGroupIndex(0)
        column.setGroupSummary(column, GridSummary.Max)
        column.setFooterSummary(GridSummary.Count)

        column = view.getColumn(3)
        column.setEditorType(GridEditor.Time)
        column.editorRepository().setAutoSelect(True)
        column.editorRepository().setEditorActivationPolicy(
            GridEditor.ActivationPolicy(GridEditor.ActivationPolicy(GridEditor.ActivateByDblClick | GridEditor.ActivateByEditPress)))

        # Create settings widget
        settings = QWidget(self)
        l = QVBoxLayout(settings)

        text = QLabel(settings)
        text.setText("Buttons below allows you to customize the grid via Qt Style Sheet."
            "Press 'Add QSS' button to apply Style Sheet and 'Remove QSS' to remove Style Sheet setting"
            "and restore the default view.")
        text.setWordWrap(True)
        l.addWidget(text)

        hblayout = QHBoxLayout()
        addButton = QPushButton(settings)
        addButton.setText(self.tr("Add QSS (new)"))
        self.connect(addButton, QtCore.SIGNAL("clicked()"), self, QtCore.SLOT("addStyleSheet()"))
        hblayout.addWidget(addButton)
        removeButton = QPushButton(settings)
        removeButton.setText(self.tr("Remove QSS (new)"))
        self.connect(removeButton, QtCore.SIGNAL("clicked()"), self, QtCore.SLOT("removeStyleSheet()"))
        hblayout.addWidget(removeButton)
        l.addLayout(hblayout)

        self.setDemoWidget(self.grid, settings)
        self.setMinimumHeight(10)

    @QtCore.Slot(ContextMenuEventArgs)
    def contextMenu(self, args):
        args.contextMenu().addAction("Print Preview", self, QtCore.SLOT("printPreview()"))
        args.contextMenu().addSeparator()
        args.contextMenu().addAction("Developer Machines on the Web", self, QtCore.SLOT("showCompanyWebSite()"))

    def setShadeColor(self, color):
        self.grid.themeManager().setShadeColor(color)

    @QtCore.Slot()
    def addStyleSheet(self):
        file = QFile(":/res/StyleSheet.qss")
        file.open(QFile.ReadOnly)

        if __pyside2__:
            data = file.readAll()
            codec = QTextCodec.codecForLocale()
            styleSheet = codec.toUnicode(data)
        if __pyside6__:
            stream = QTextStream(file)
            styleSheet = stream.readAll()
        qApp.setStyleSheet(styleSheet)

    @QtCore.Slot()
    def removeStyleSheet(self):
        qApp.setStyleSheet("")

if __name__ == "__main__":
    app = QApplication(sys.argv)
    w = Window()
    w.show()
    sys.exit(app.exec_())