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Diffstat (limited to 'sources/pyside2/doc/tutorials/portingguide/chapter2/bookdelegate.py')
| -rw-r--r-- | sources/pyside2/doc/tutorials/portingguide/chapter2/bookdelegate.py | 134 |
1 files changed, 0 insertions, 134 deletions
diff --git a/sources/pyside2/doc/tutorials/portingguide/chapter2/bookdelegate.py b/sources/pyside2/doc/tutorials/portingguide/chapter2/bookdelegate.py deleted file mode 100644 index 57d8f0f73..000000000 --- a/sources/pyside2/doc/tutorials/portingguide/chapter2/bookdelegate.py +++ /dev/null @@ -1,134 +0,0 @@ -############################################################################# -## -## Copyright (C) 2019 The Qt Company Ltd. -## Contact: http://www.qt.io/licensing/ -## -## This file is part of the Qt for Python examples of the Qt Toolkit. -## -## $QT_BEGIN_LICENSE:BSD$ -## You may use this file under the terms of the BSD license as follows: -## -## "Redistribution and use in source and binary forms, with or without -## modification, are permitted provided that the following conditions are -## met: -## * Redistributions of source code must retain the above copyright -## notice, this list of conditions and the following disclaimer. -## * Redistributions in binary form must reproduce the above copyright -## notice, this list of conditions and the following disclaimer in -## the documentation and/or other materials provided with the -## distribution. -## * Neither the name of The Qt Company Ltd nor the names of its -## contributors may be used to endorse or promote products derived -## from this software without specific prior written permission. -## -## -## THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -## "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -## LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -## A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -## OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -## SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -## LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -## DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -## THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -## (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -## OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." -## -## $QT_END_LICENSE$ -## -############################################################################# - -import copy, os -from PySide2.QtSql import QSqlRelationalDelegate -from PySide2.QtWidgets import (QItemDelegate, QSpinBox, QStyledItemDelegate, - QStyle, QStyleOptionViewItem) -from PySide2.QtGui import QMouseEvent, QPixmap, QPalette, QImage -from PySide2.QtCore import QEvent, QSize, Qt, QUrl - -class BookDelegate(QSqlRelationalDelegate): - """Books delegate to rate the books""" - - def __init__(self, parent=None): - QSqlRelationalDelegate.__init__(self, parent) - star_png = os.path.dirname(__file__) + "\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 |