diff options
Diffstat (limited to 'sources/pyside2/doc/codesnippets/examples/itemviews')
3 files changed, 409 insertions, 0 deletions
diff --git a/sources/pyside2/doc/codesnippets/examples/itemviews/customsortfiltermodel/mysortfilterproxymodel.cpp b/sources/pyside2/doc/codesnippets/examples/itemviews/customsortfiltermodel/mysortfilterproxymodel.cpp new file mode 100644 index 000000000..4732b7773 --- /dev/null +++ b/sources/pyside2/doc/codesnippets/examples/itemviews/customsortfiltermodel/mysortfilterproxymodel.cpp @@ -0,0 +1,109 @@ +############################################################################ +## +## Copyright (C) 2016 The Qt Company Ltd. +## Contact: https://www.qt.io/licensing/ +## +## This file is part of the examples of PySide2. +## +## $QT_BEGIN_LICENSE:BSD$ +## Commercial License Usage +## Licensees holding valid commercial Qt licenses may use this file in +## accordance with the commercial license agreement provided with the +## Software or, alternatively, in accordance with the terms contained in +## a written agreement between you and The Qt Company. For licensing terms +## and conditions see https://www.qt.io/terms-conditions. For further +## information use the contact form at https://www.qt.io/contact-us. +## +## BSD License Usage +## Alternatively, 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." +## +## $QT_END_LICENSE$ +## +############################################################################ + +//! [0] +def __init__(self, parent): + QSortFilterProxyModel.__init__(self, parent) +//! [0] + +//! [1] +def setFilterMinimumDate(self, date): + self.minDate = date + self.invalidateFilter() + +//! [1] + +//! [2] +def setFilterMaximumDate(self, date): + self.maxDate = date + self.invalidateFilter() + +//! [2] + +//! [3] +def filterAcceptsRow(self, sourceRow, sourceParent): + index0 = sourceModel().index(sourceRow, 0, sourceParent) + index1 = sourceModel().index(sourceRow, 1, sourceParent) + index2 = sourceModel().index(sourceRow, 2, sourceParent) + + regex = filterRegExp() + return (regex.indexIn(sourceModel().data(index0)) != -1 + or regex.indexIn(sourceModel().data(index1)) != -1 + and dateInRange(sourceModel().data(index2)) +//! [3] + +//! [4] //! [5] +def lessThan(self, left, right): + leftData = sourceModel().data(left) + rightData = sourceModel().data(right) +//! [4] + +//! [6] + if isinstance(leftData, QDateTime): + return leftData < rightData + else: + emailPattern = QRegExp("([\\w\\.]*@[\\w\\.]*)") + + if left.column() == 1 && emailPattern.indexIn(leftData) != -1: + leftData = emailPattern.cap(1) + + if right.column() == 1 && emailPattern.indexIn(rightData) != -1: + rightData = emailPattern.cap(1) + + return leftString < rightString + +//! [5] //! [6] + +//! [7] +def dateInRange(self, date): + return (!minDate.isValid() || date > minDate) + && (!maxDate.isValid() || date < maxDate) + +//! [7] diff --git a/sources/pyside2/doc/codesnippets/examples/itemviews/pixelator/pixeldelegate.cpp b/sources/pyside2/doc/codesnippets/examples/itemviews/pixelator/pixeldelegate.cpp new file mode 100644 index 000000000..77eaf55e6 --- /dev/null +++ b/sources/pyside2/doc/codesnippets/examples/itemviews/pixelator/pixeldelegate.cpp @@ -0,0 +1,103 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the examples of PySide2. +** +** $QT_BEGIN_LICENSE:BSD$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** BSD License Usage +** Alternatively, 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." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +//! [0] +def __init__(self, parent): + QAbstractItemDelegate.__init__(self, parent) + self.pixelSize = 12 +//! [0] + +//! [1] +def paint(self, painter, option, index): +//! [2] + if option.state and QStyle.State_Selected: + painter.fillRect(option.rect, option.palette.highlight()) +//! [1] + +//! [3] + size = qMin(option.rect.width(), option.rect.height()) +//! [3] //! [4] + brightness = index.model().data(index, Qt.DisplayRole).toInt() + radius = (size/2.0) - (brightness/255.0 * size/2.0) + if radius == 0.0: + return +//! [4] + +//! [5] + painter.save() +//! [5] //! [6] + painter.setRenderHint(QPainter.Antialiasing, true) +//! [6] //! [7] + painter.setPen(Qt.NoPen) +//! [7] //! [8] + if option.state and QStyle.State_Selected: +//! [8] //! [9] + painter.setBrush(option.palette.highlightedText()) + else +//! [2] + painter.setBrush(QBrush(Qt.black)) +//! [9] + +//! [10] + painter.drawEllipse(QRectF(option.rect.x() + option.rect.width()/2 - radius, + option.rect.y() + option.rect.height()/2 - radius, + 2*radius, 2*radius)) + painter.restore() +//! [10] + +//! [11] +def sizeHint(self, option, index): + return QSize(self.pixelSize, self.pixelSize) +//! [11] + +//! [12] +def setPixelSize(self, size): + self.pixelSize = size +//! [12] diff --git a/sources/pyside2/doc/codesnippets/examples/itemviews/simpledommodel/dommodel.cpp b/sources/pyside2/doc/codesnippets/examples/itemviews/simpledommodel/dommodel.cpp new file mode 100644 index 000000000..b9f582640 --- /dev/null +++ b/sources/pyside2/doc/codesnippets/examples/itemviews/simpledommodel/dommodel.cpp @@ -0,0 +1,197 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** BSD License Usage +** Alternatively, 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." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <QtWidgets> +#include <QtXml> + +#include "domitem.h" +#include "dommodel.h" + +//! [0] +DomModel::DomModel(QDomDocument document, QObject *parent) + : QAbstractItemModel(parent), domDocument(document) +{ + rootItem = new DomItem(domDocument, 0); +} +//! [0] + +//! [1] +DomModel::~DomModel() +{ + delete rootItem; +} +//! [1] + +//! [2] +def columnCount(self, parent): + return 3 +//! [2] + +//! [3] +QVariant DomModel::data(const QModelIndex &index, int role) const +{ + if (!index.isValid()) + return QVariant(); + + if (role != Qt::DisplayRole) + return QVariant(); + + DomItem *item = static_cast<DomItem*>(index.internalPointer()); + + QDomNode node = item->node(); +//! [3] //! [4] + QStringList attributes; + QDomNamedNodeMap attributeMap = node.attributes(); + + switch (index.column()) { + case 0: + return node.nodeName(); + case 1: + for (int i = 0; i < attributeMap.count(); ++i) { + QDomNode attribute = attributeMap.item(i); + attributes << attribute.nodeName() + "=\"" + +attribute.nodeValue() + "\""; + } + return attributes.join(" "); + case 2: + return node.nodeValue().split("\n").join(" "); + default: + return QVariant(); + } +} +//! [4] + +//! [5] +Qt::ItemFlags DomModel::flags(const QModelIndex &index) const +{ + if (!index.isValid()) + return 0; + + return Qt::ItemIsEnabled | Qt::ItemIsSelectable; +} +//! [5] + +//! [6] +QVariant DomModel::headerData(int section, Qt::Orientation orientation, + int role) const +{ + if (orientation == Qt::Horizontal && role == Qt::DisplayRole) { + switch (section) { + case 0: + return tr("Name"); + case 1: + return tr("Attributes"); + case 2: + return tr("Value"); + default: + return QVariant(); + } + } + + return QVariant(); +} +//! [6] + +//! [7] +QModelIndex DomModel::index(int row, int column, const QModelIndex &parent) + const +{ + if (!hasIndex(row, column, parent)) + return QModelIndex(); + + DomItem *parentItem; + + if (!parent.isValid()) + parentItem = rootItem; + else + parentItem = static_cast<DomItem*>(parent.internalPointer()); +//! [7] + +//! [8] + DomItem *childItem = parentItem->child(row); + if (childItem) + return createIndex(row, column, childItem); + else + return QModelIndex(); +} +//! [8] + +//! [9] +QModelIndex DomModel::parent(const QModelIndex &child) const +{ + if (!child.isValid()) + return QModelIndex(); + + DomItem *childItem = static_cast<DomItem*>(child.internalPointer()); + DomItem *parentItem = childItem->parent(); + + if (!parentItem || parentItem == rootItem) + return QModelIndex(); + + return createIndex(parentItem->row(), 0, parentItem); +} +//! [9] + +//! [10] +int DomModel::rowCount(const QModelIndex &parent) const +{ + if (parent.column() > 0) + return 0; + + DomItem *parentItem; + + if (!parent.isValid()) + parentItem = rootItem; + else + parentItem = static_cast<DomItem*>(parent.internalPointer()); + + return parentItem->node().childNodes().count(); +} +//! [10] |