CardViewSummaries 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, CardGrid,
                                    GridColumn, GridEditor, GridSummary, GridViewOptions,
                                    CellButtonClickEventArgs, CellButtonEventArgs, ContextMenuEventArgs,
                                    EditorValidationEventArgs)

if __pyside2__:
    from PySide2 import QtCore
    from PySide2.QtCore import Qt, QDate, QAbstractItemModel, QModelIndex
    from PySide2.QtWidgets import (QWidget, QApplication, QVBoxLayout, QHBoxLayout, QPushButton,
                                   QSlider, QLabel, QCheckBox, QComboBox, QMessageBox, QFileDialog)
    from PySide2.QtSql import QSqlDatabase, QSqlError, QSqlTableModel

if __pyside6__:
    from PySide6 import QtCore
    from PySide6.QtCore import Qt, QDate, QAbstractItemModel, QModelIndex
    from PySide6.QtWidgets import (QWidget, QApplication, QVBoxLayout, QHBoxLayout, QPushButton,
                                   QSlider, QLabel, QCheckBox, QComboBox, QMessageBox, QFileDialog)
    from PySide6.QtSql import QSqlDatabase, QSqlError, QSqlTableModel

from DemoMainWindow import DemoMainWindow

class DataItem:
    v0 = None
    v1 = None
    v2 = None
    v3 = None
    v4 = None

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

        self.values = list(range(0, 200))
        y = 2009
        m = 1
        d = 1
        for i in self.values:
            item = DataItem()
            item.v0 = True
            item.v1 = i
            item.v2 = "String-1: " + str(i)
            item.v3 = "String-2: " + str(i)
            if d > 28:
                d = 1
                m = m + 1
                if m > 12:
                    m = 1
                    y = y + 1

            item.v4 = 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 "Boolean"
        elif section == 1:
            return "Integer"
        elif section == 2:
            return "String"
        elif section == 3:
            return "String"
        elif section == 4:
            return "Date"
        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 5

    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
            elif index.column() == 4:
                return self.values[index.row()].v4
        elif role == Qt.CheckStateRole:
            if index.column() == 0:
                return self.values[index.row()].v0
        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 = bool(value)
        elif index.column() == 1:
            self.values[index.row()].v1 = int(value)
        elif index.column() == 2:
            self.values[index.row()].v2 = str(value)
        elif index.column() == 3:
            self.values[index.row()].v3 = str(value)
        elif index.column() == 4:
            self.values[index.row()].v4 = value

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

    def flags(self, index):
        if not index.isValid():
            return Qt.ItemFlags()
        # if index.column() == 0:
        #    return Qt.ItemIsEnabled | Qt.ItemIsEditable | Qt.ItemIsUserCheckable
        # elif index.column() == 4:
        #    return Qt.ItemIsEnabled | Qt.ItemIsEditable
        return Qt.ItemIsEnabled | Qt.ItemIsEditable

class Window(DemoMainWindow):
    def __init__(self):
        DemoMainWindow.__init__(self, "QtitanDataGrid", getGridVersion())
        self.setWindowTitle(self.tr("QtitanDataGrid Demo (Summaries)"))
        self.setGeometry(150, 150, 1000, 800)

        CardGrid.loadTranslation()

        self.grid = CardGrid()
        self.grid.setViewType(CardGrid.CardView)
        view = self.grid.view()
        # Configure grid view
        view.options().setFooterSummaryVisible(True)
        view.options().setGroupSummaryPlace(GridViewOptions.SummaryRowFooter)
        # view.options().setShowFocusDecoration(True)

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

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

        # Configure the summary
        column = view.getColumn(0)
        column.setDefaultGroupSummary(GridSummary.Max)

        # Configure the summary
        column = view.getColumn(1)
        column.setDefaultGroupSummary(GridSummary.Avg)
        column.setFooterSummary(GridSummary.Avg)

        # Configure the summary
        column = view.getColumn(2)
        column.setDefaultGroupSummary(GridSummary.Count)
        column.setFooterSummary(GridSummary.Count)

        # Add cell button to the column.
        column = view.getColumn(3)
        column.addButton()
        self.connect(column, QtCore.SIGNAL("buttonClicked(CellButtonClickEventArgs*)"), self,
            QtCore.SLOT("cellButtonClicked(CellButtonClickEventArgs*)"))

        # Add cell button to the column.
        column = view.getColumn(4)
        column.addButton(GridColumn.ClearButtonIcon, Qtitan.AtEnd, GridColumn.MouseOverPolicy)
        self.connect(column, QtCore.SIGNAL("buttonClicked(CellButtonClickEventArgs*)"), self,
            QtCore.SLOT("cellButtonClicked(CellButtonClickEventArgs*)"))

        # Configure the summary
        column = view.getColumn(4)
        column.setGroupIndex(0)
        column.setDefaultGroupSummary(GridSummary.Min)
        column.setFooterSummary(GridSummary.Max)

        # Show button menu for all column headers.
        for i in range(0, view.getColumnCount()):
            view.getColumn(i).setMenuButtonVisible(True)

        self.setDemoWidget(self.grid, self.createSettingsWidget())

        view.expandAll()

    def createSettingsWidget(self):
        settings = QWidget(self)
        l = QVBoxLayout(settings)

        fastScrollCheck = QCheckBox(settings)
        fastScrollCheck.setText("Fast scroll effect")
        self.connect(fastScrollCheck, QtCore.SIGNAL("stateChanged(int)"), self, QtCore.SLOT("fastScrollChanged(int)"))
        l.addWidget(fastScrollCheck)
        fastScrollCheck.setChecked(True)

        dottedLineCheck = QCheckBox(settings)
        dottedLineCheck.setText("Dotted grid line")
        self.connect(dottedLineCheck, QtCore.SIGNAL("stateChanged(int)"), self, QtCore.SLOT("dottedLineChanged(int)"))
        l.addWidget(dottedLineCheck)
        dottedLineCheck.setChecked(False)

        label = QLabel(settings)
        hl = QHBoxLayout()
        label.setText("Grid line style:")
        lineStylesSelect = QComboBox(settings)

        lineStylesSelect.addItem("None")
        lineStylesSelect.addItem("Both")
        lineStylesSelect.addItem("Both2D")
        lineStylesSelect.addItem("Horizontal")
        lineStylesSelect.addItem("Horizontal2D")
        lineStylesSelect.addItem("Vertical")
        lineStylesSelect.addItem("Vertical2D")
        self.connect(lineStylesSelect, QtCore.SIGNAL("currentIndexChanged(int)"), self,
            QtCore.SLOT("selectGridLineStyles(int)"))
        hl.addWidget(label)
        hl.addWidget(lineStylesSelect)
        l.addLayout(hl)
        lineStylesSelect.setCurrentIndex(4)

        label = QLabel(settings)
        hl = QHBoxLayout(settings)
        label.setText("Group Summary Place:")
        groupSummarySelect = QComboBox(settings)

        groupSummarySelect.addItem("Footer")
        groupSummarySelect.addItem("Group")
        groupSummarySelect.addItem("Group Plus")
        self.connect(groupSummarySelect, QtCore.SIGNAL("currentIndexChanged(int)"), self,
            QtCore.SLOT("selectGroupSummaryPlace(int)"))
        hl.addWidget(label)
        hl.addWidget(groupSummarySelect)
        l.addLayout(hl)
        groupSummarySelect.setCurrentIndex(1)

        zoomEnable = QCheckBox(settings)
        zoomEnable.setText(self.tr("Zoom enabled"))
        zoomEnable.setChecked(True)
        self.connect(zoomEnable, QtCore.SIGNAL("stateChanged(int)"), self,
            QtCore.SLOT("zoomEnabledChanged(int)"))
        l.addWidget(zoomEnable)

        zoomIndicator = QCheckBox(settings)
        zoomIndicator.setText(self.tr("Show zoom indicator"))
        zoomIndicator.setChecked(True)
        self.connect(zoomIndicator, QtCore.SIGNAL("stateChanged(int)"), self,
            QtCore.SLOT("zoomIndicatorChanged(int)"))
        l.addWidget(zoomIndicator)

        zoomSlider = QSlider(settings)
        zoomSlider.setOrientation(Qt.Horizontal)
        zoomSlider.setTickPosition(QSlider.TicksBothSides)
        zoomSlider.setMinimum(25)
        zoomSlider.setMaximum(300)
        zoomSlider.setTickInterval(25)
        zoomSlider.setSingleStep(25)
        zoomSlider.setValue(100)
        self.connect(zoomSlider, QtCore.SIGNAL("sliderMoved(int)"), self, QtCore.SLOT("zoomValueChanged(int)"))
        self.connect(self.grid.view(), QtCore.SIGNAL("zoomChanged(int)"), zoomSlider, QtCore.SLOT("setValue(int)"))
        l.addWidget(zoomSlider)

        cellAutoRaise = QCheckBox(settings)
        cellAutoRaise.setText(self.tr("Auto raise cell button"))
        self.connect(cellAutoRaise, QtCore.SIGNAL("stateChanged(int)"), self,
            QtCore.SLOT("cellButtonAutoRaiseEnabled(int)"))
        cellAutoRaise.setChecked(True)
        l.addWidget(cellAutoRaise)

        transparentBox = QCheckBox(settings)
        transparentBox.setText(self.tr("Transparent Background"))
        self.connect(transparentBox, QtCore.SIGNAL("stateChanged(int)"), self,
            QtCore.SLOT("transparentBackgroundEnabled(int)"))
        transparentBox.setChecked(False)
        l.addWidget(transparentBox)

        printButton = QPushButton(settings)
        printButton.setText(self.tr("Print Preview"))
        self.connect(printButton, QtCore.SIGNAL("clicked()"), self, QtCore.SLOT("printPreview()"))
        l.addWidget(printButton)

        return settings

    @QtCore.Slot(int)
    def fastScrollChanged(self, state):
        view = self.grid.view()
        view.options().setFastScrollEffect(Qt.CheckState(state) == Qt.Checked)

    @QtCore.Slot(int)
    def dottedLineChanged(self, state):
        view = self.grid.view()
        pen = view.options().gridLinePen()
        if Qt.CheckState(state) == Qt.Checked:
            pen.setStyle(Qt.DotLine)
        else:
            pen.setStyle(Qt.SolidLine)
        view.options().setGridLinePen(pen)

    @QtCore.Slot(int)
    def selectGroupSummaryPlace(self, index):
        view = self.grid.view()
        if index == 1:
            view.options().setGroupSummaryPlace(GridViewOptions.SummaryRow)
        elif index == 2:
            view.options().setGroupSummaryPlace(GridViewOptions.SummaryRowPlus)
        else:
            view.options().setGroupSummaryPlace(GridViewOptions.SummaryRowFooter)

    @QtCore.Slot(int)
    def selectGridLineStyles(self, index):
        view = self.grid.view()
        if index == 0:
            view.options().setGridLines(Qtitan.LinesNone)
        elif index == 1:
            view.options().setGridLines(Qtitan.LinesBoth)
        elif index == 2:
            view.options().setGridLines(Qtitan.LinesBoth2D)
        elif index == 3:
            view.options().setGridLines(Qtitan.LinesHorizontal)
        elif index == 4:
            view.options().setGridLines(Qtitan.LinesHorizontal2D)
        elif index == 5:
            view.options().setGridLines(Qtitan.LinesVertical)
        elif index == 6:
            view.options().setGridLines(Qtitan.LinesVertical2D)
        else:
            view.options().setGridLines(Qtitan.LinesBoth)

    @QtCore.Slot(int)
    def zoomEnabledChanged(self, state):
        view = self.grid.view()
        view.options().setZoomEnabled(Qt.CheckState(state) == Qt.Checked)

    @QtCore.Slot(int)
    def zoomIndicatorChanged(self, state):
        view = self.grid.view()
        view.options().setZoomIndicatorActive(Qt.CheckState(state) == Qt.Checked)

    @QtCore.Slot(int)
    def zoomValueChanged(self, value):
        factor = (float(value) / 25) * 25
        view = self.grid.view()
        view.options().setZoomFactor(factor / 100)

    @QtCore.Slot(int)
    def cellButtonAutoRaiseEnabled(self, state):
        view = self.grid.view()
        view.options().setCellButtonAutoRaise(Qt.CheckState(state) == Qt.Checked)

    @QtCore.Slot(int)
    def transparentBackgroundEnabled(self, state):
        view = self.grid.view()
        view.options().setTransparentBackground(Qt.CheckState(state) == Qt.Checked)
        view.options().setAlternatingRowColors(not view.options().alternatingRowColors())

    @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()"))

    @QtCore.Slot(CellButtonClickEventArgs)
    def cellButtonClicked(self, args):
        QMessageBox.information(self, "Cell button clicked",
            "Clicked: Button - " + str(args.buttonIndex()) + ", Column Title - " + args.column().caption() + ", RowIndex - " + str(args.row().rowIndex()))

    @QtCore.Slot()
    def printPreview(self):
        self.grid.view().printPreview()

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

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