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Diffstat (limited to 'sources/pyside2/doc/codesnippets/doc/src/snippets/qtreeview-dnd/treeitem.cpp')
-rw-r--r-- | sources/pyside2/doc/codesnippets/doc/src/snippets/qtreeview-dnd/treeitem.cpp | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/sources/pyside2/doc/codesnippets/doc/src/snippets/qtreeview-dnd/treeitem.cpp b/sources/pyside2/doc/codesnippets/doc/src/snippets/qtreeview-dnd/treeitem.cpp new file mode 100644 index 000000000..0243dc528 --- /dev/null +++ b/sources/pyside2/doc/codesnippets/doc/src/snippets/qtreeview-dnd/treeitem.cpp @@ -0,0 +1,135 @@ +/**************************************************************************** +** +** 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." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +/* + treeitem.cpp + + A container for items of data supplied by the simple tree model. +*/ + +#include <QStringList> + +#include "treeitem.h" + +TreeItem::TreeItem(const QList<QVariant> &data, TreeItem *parent) +{ + parentItem = parent; + itemData = data; +} + +TreeItem::~TreeItem() +{ + qDeleteAll(childItems); +} + +void TreeItem::appendChild(TreeItem *item) +{ + childItems.append(item); +} + +TreeItem *TreeItem::child(int row) +{ + return childItems.value(row); +} + +int TreeItem::childCount() const +{ + return childItems.count(); +} + +int TreeItem::columnCount() const +{ + return itemData.count(); +} + +QVariant TreeItem::data(int column) const +{ + return itemData.value(column); +} + +bool TreeItem::insertChild(int row, TreeItem *item) +{ + if (row < 0 || row > childItems.count()) + return false; + + childItems.insert(row, item); + return true; +} + +TreeItem *TreeItem::parent() +{ + return parentItem; +} + +bool TreeItem::removeChild(int row) +{ + if (row < 0 || row >= childItems.count()) + return false; + + delete childItems.takeAt(row); + return true; +} + +int TreeItem::row() const +{ + if (parentItem) + return parentItem->childItems.indexOf(const_cast<TreeItem*>(this)); + + return 0; +} + +bool TreeItem::setData(int column, const QVariant &data) +{ + if (column < 0 || column >= itemData.count()) + return false; + + itemData.replace(column, data); + return true; +} |