1 files changed, 101 insertions, 0 deletions
diff --git a/sources/pyside6/doc/tutorials/portingguide/chapter3/bookdelegate-old.py b/sources/pyside6/doc/tutorials/portingguide/chapter3/bookdelegate-old.py
new file mode 100644
index 000000000..b3187e054
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+++ b/sources/pyside6/doc/tutorials/portingguide/chapter3/bookdelegate-old.py
@@ -0,0 +1,101 @@
+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+import copy
+import os
+from pathlib import Path
+
+from PySide6.QtSql import QSqlRelationalDelegate
+from PySide6.QtWidgets import (QItemDelegate, QSpinBox, QStyledItemDelegate,
+    QStyle, QStyleOptionViewItem)
+from PySide6.QtGui import QMouseEvent, QPixmap, QPalette, QImage
+from PySide6.QtCore import QEvent, QSize, Qt, QUrl
+
+
+class BookDelegate(QSqlRelationalDelegate):
+    """Books delegate to rate the books"""
+
+    def __init__(self, star_png, parent=None):
+        QSqlRelationalDelegate.__init__(self, parent)
+        star_png = Path(__file__).parent / "images" / "star.png"
+        self.star = QPixmap(star_png)
+
+    def paint(self, painter, option, index):
+        """ Paint the items in the table.
+
+            If the item referred to by <index> is a StarRating, we
+            handle the painting ourselves. For the other items, we
+            let the base class handle the painting as usual.
+
+            In a polished application, we'd use a better check than
+            the column number to find out if we needed to paint the
+            stars, but it works for the purposes of this example.
+        """
+        if index.column() != 5:
+            # Since we draw the grid ourselves:
+            opt = copy.copy(option)
+            opt.rect = option.rect.adjusted(0, 0, -1, -1)
+            QSqlRelationalDelegate.paint(self, painter, opt, index)
+        else:
+            model = index.model()
+            if option.state & QStyle.State_Enabled:
+                if option.state & QStyle.State_Active:
+                    color_group = QPalette.Normal
+                else:
+                    color_group = QPalette.Inactive
+            else:
+                color_group = QPalette.Disabled
+
+            if option.state & QStyle.State_Selected:
+                painter.fillRect(option.rect,
+                    option.palette.color(color_group, QPalette.Highlight))
+            rating = model.data(index, Qt.DisplayRole)
+            width = self.star.width()
+            height = self.star.height()
+            x = option.rect.x()
+            y = option.rect.y() + (option.rect.height() / 2) - (height / 2)
+            for i in range(rating):
+                painter.drawPixmap(x, y, self.star)
+                x += width
+
+            # Since we draw the grid ourselves:
+            self.drawFocus(painter, option, option.rect.adjusted(0, 0, -1, -1))
+
+        pen = painter.pen()
+        painter.setPen(option.palette.color(QPalette.Mid))
+        painter.drawLine(option.rect.bottomLeft(), option.rect.bottomRight())
+        painter.drawLine(option.rect.topRight(), option.rect.bottomRight())
+        painter.setPen(pen)
+
+    def sizeHint(self, option, index):
+        """ Returns the size needed to display the item in a QSize object. """
+        if index.column() == 5:
+            size_hint = QSize(5 * self.star.width(), self.star.height()) + QSize(1, 1)
+            return size_hint
+        # Since we draw the grid ourselves:
+        return QSqlRelationalDelegate.sizeHint(self, option, index) + QSize(1, 1)
+
+    def editorEvent(self, event, model, option, index):
+        if index.column() != 5:
+            return False
+
+        if event.type() == QEvent.MouseButtonPress:
+            mouse_pos = event.pos()
+            new_stars = int(0.7 + (mouse_pos.x() - option.rect.x()) / self.star.width())
+            stars = max(0, min(new_stars, 5))
+            model.setData(index, stars)
+            # So that the selection can change
+            return False
+
+        return True
+
+    def createEditor(self, parent, option, index):
+        if index.column() != 4:
+            return QSqlRelationalDelegate.createEditor(self, parent, option, index)
+
+        # For editing the year, return a spinbox with a range from -1000 to 2100.
+        spinbox = QSpinBox(parent)
+        spinbox.setFrame(False)
+        spinbox.setMaximum(2100)
+        spinbox.setMinimum(-1000)
+        return spinbox