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Diffstat (limited to 'sources/pyside2/doc/codesnippets/examples/xml/streambookmarks/xbelreader.cpp')
| -rw-r--r-- | sources/pyside2/doc/codesnippets/examples/xml/streambookmarks/xbelreader.cpp | 210 |
1 files changed, 210 insertions, 0 deletions
diff --git a/sources/pyside2/doc/codesnippets/examples/xml/streambookmarks/xbelreader.cpp b/sources/pyside2/doc/codesnippets/examples/xml/streambookmarks/xbelreader.cpp new file mode 100644 index 000000000..c82f02752 --- /dev/null +++ b/sources/pyside2/doc/codesnippets/examples/xml/streambookmarks/xbelreader.cpp @@ -0,0 +1,210 @@ +/**************************************************************************** +** +** 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 "xbelreader.h" + +//! [0] +XbelReader::XbelReader(QTreeWidget *treeWidget) + : treeWidget(treeWidget) +{ + QStyle *style = treeWidget->style(); + + folderIcon.addPixmap(style->standardPixmap(QStyle::SP_DirClosedIcon), + QIcon::Normal, QIcon::Off); + folderIcon.addPixmap(style->standardPixmap(QStyle::SP_DirOpenIcon), + QIcon::Normal, QIcon::On); + bookmarkIcon.addPixmap(style->standardPixmap(QStyle::SP_FileIcon)); +} +//! [0] + +//! [1] +def read(self, device): + self.setDevice(device) + + while not atEnd(): + readNext() + + if isStartElement(): + if self.name() == "xbel" and self.attributes().value("version") == "1.0": + self.readXBEL() + else: + self.raiseError(QObject.tr("The file is not an XBEL version 1.0 file.")); + + return not self.error(); +//! [1] + +//! [2] +void XbelReader::readUnknownElement() +{ + Q_ASSERT(isStartElement()); + + while (!atEnd()) { + readNext(); + + if (isEndElement()) + break; + + if (isStartElement()) + readUnknownElement(); + } +} +//! [2] + +//! [3] +void XbelReader::readXBEL() +{ + Q_ASSERT(isStartElement() && name() == "xbel"); + + while (!atEnd()) { + readNext(); + + if (isEndElement()) + break; + + if (isStartElement()) { + if (name() == "folder") + readFolder(0); + else if (name() == "bookmark") + readBookmark(0); + else if (name() == "separator") + readSeparator(0); + else + readUnknownElement(); + } + } +} +//! [3] + +//! [4] +void XbelReader::readTitle(QTreeWidgetItem *item) +{ + Q_ASSERT(isStartElement() && name() == "title"); + + QString title = readElementText(); + item->setText(0, title); +} +//! [4] + +//! [5] +void XbelReader::readSeparator(QTreeWidgetItem *item) +{ + QTreeWidgetItem *separator = createChildItem(item); + separator->setFlags(item->flags() & ~Qt::ItemIsSelectable); + separator->setText(0, QString(30, 0xB7)); + readElementText(); +} +//! [5] + +void XbelReader::readFolder(QTreeWidgetItem *item) +{ + Q_ASSERT(isStartElement() && name() == "folder"); + + QTreeWidgetItem *folder = createChildItem(item); + bool folded = (attributes().value("folded") != "no"); + treeWidget->setItemExpanded(folder, !folded); + + while (!atEnd()) { + readNext(); + + if (isEndElement()) + break; + + if (isStartElement()) { + if (name() == "title") + readTitle(folder); + else if (name() == "folder") + readFolder(folder); + else if (name() == "bookmark") + readBookmark(folder); + else if (name() == "separator") + readSeparator(folder); + else + readUnknownElement(); + } + } +} + +void XbelReader::readBookmark(QTreeWidgetItem *item) +{ + Q_ASSERT(isStartElement() && name() == "bookmark"); + + QTreeWidgetItem *bookmark = createChildItem(item); + bookmark->setFlags(bookmark->flags() | Qt::ItemIsEditable); + bookmark->setIcon(0, bookmarkIcon); + bookmark->setText(0, QObject::tr("Unknown title")); + bookmark->setText(1, attributes().value("href").toString()); + while (!atEnd()) { + readNext(); + + if (isEndElement()) + break; + + if (isStartElement()) { + if (name() == "title") + readTitle(bookmark); + else + readUnknownElement(); + } + } +} + +QTreeWidgetItem *XbelReader::createChildItem(QTreeWidgetItem *item) +{ + QTreeWidgetItem *childItem; + if (item) { + childItem = new QTreeWidgetItem(item); + } else { + childItem = new QTreeWidgetItem(treeWidget); + } + childItem->setData(0, Qt::UserRole, name().toString()); + return childItem; +} |