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Diffstat (limited to 'doc/codesnippets/doc/src/snippets/qtreeview-dnd/treeitem.cpp')
-rw-r--r-- | doc/codesnippets/doc/src/snippets/qtreeview-dnd/treeitem.cpp | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/doc/codesnippets/doc/src/snippets/qtreeview-dnd/treeitem.cpp b/doc/codesnippets/doc/src/snippets/qtreeview-dnd/treeitem.cpp new file mode 100644 index 000000000..8f9261d60 --- /dev/null +++ b/doc/codesnippets/doc/src/snippets/qtreeview-dnd/treeitem.cpp @@ -0,0 +1,126 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the documentation of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial Usage +** Licensees holding valid Qt Commercial licenses may use this file in +** accordance with the Qt Commercial License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Nokia. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain +** additional rights. These rights are described in the Nokia Qt LGPL +** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at http://www.qtsoftware.com/contact. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +/* + 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; +} |