diff options
author | Gabriel de Dietrich <gabriel.dietrich-de@nokia.com> | 2012-08-17 13:23:19 +0200 |
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committer | Qt by Nokia <qt-info@nokia.com> | 2012-08-20 12:20:55 +0200 |
commit | 806dda08d685bc5f9ed71dfe8b61f21848d48066 (patch) | |
tree | a63533a1c4a335ae17adc105abb0ae4e62e2f26e /examples/widgets/itemviews/editabletreemodel/treeitem.cpp | |
parent | 9f942014e31842b512c3198de035d041c59f54a9 (diff) |
Moving .qdoc files under examples/widgets/doc
Updated those .qdoc files to refer to the new relative examples
emplacement. Images and snippets to be moved later.
Also grouped all widgets related examples under widgets.
Change-Id: Ib29696e2d8948524537f53e8dda88f9ee26a597f
Reviewed-by: J-P Nurmi <j-p.nurmi@nokia.com>
Diffstat (limited to 'examples/widgets/itemviews/editabletreemodel/treeitem.cpp')
-rw-r--r-- | examples/widgets/itemviews/editabletreemodel/treeitem.cpp | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/examples/widgets/itemviews/editabletreemodel/treeitem.cpp b/examples/widgets/itemviews/editabletreemodel/treeitem.cpp new file mode 100644 index 0000000000..c728f21a92 --- /dev/null +++ b/examples/widgets/itemviews/editabletreemodel/treeitem.cpp @@ -0,0 +1,179 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the 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 Nokia Corporation and its Subsidiary(-ies) 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" + +//! [0] +TreeItem::TreeItem(const QVector<QVariant> &data, TreeItem *parent) +{ + parentItem = parent; + itemData = data; +} +//! [0] + +//! [1] +TreeItem::~TreeItem() +{ + qDeleteAll(childItems); +} +//! [1] + +//! [2] +TreeItem *TreeItem::child(int number) +{ + return childItems.value(number); +} +//! [2] + +//! [3] +int TreeItem::childCount() const +{ + return childItems.count(); +} +//! [3] + +//! [4] +int TreeItem::childNumber() const +{ + if (parentItem) + return parentItem->childItems.indexOf(const_cast<TreeItem*>(this)); + + return 0; +} +//! [4] + +//! [5] +int TreeItem::columnCount() const +{ + return itemData.count(); +} +//! [5] + +//! [6] +QVariant TreeItem::data(int column) const +{ + return itemData.value(column); +} +//! [6] + +//! [7] +bool TreeItem::insertChildren(int position, int count, int columns) +{ + if (position < 0 || position > childItems.size()) + return false; + + for (int row = 0; row < count; ++row) { + QVector<QVariant> data(columns); + TreeItem *item = new TreeItem(data, this); + childItems.insert(position, item); + } + + return true; +} +//! [7] + +//! [8] +bool TreeItem::insertColumns(int position, int columns) +{ + if (position < 0 || position > itemData.size()) + return false; + + for (int column = 0; column < columns; ++column) + itemData.insert(position, QVariant()); + + foreach (TreeItem *child, childItems) + child->insertColumns(position, columns); + + return true; +} +//! [8] + +//! [9] +TreeItem *TreeItem::parent() +{ + return parentItem; +} +//! [9] + +//! [10] +bool TreeItem::removeChildren(int position, int count) +{ + if (position < 0 || position + count > childItems.size()) + return false; + + for (int row = 0; row < count; ++row) + delete childItems.takeAt(position); + + return true; +} +//! [10] + +bool TreeItem::removeColumns(int position, int columns) +{ + if (position < 0 || position + columns > itemData.size()) + return false; + + for (int column = 0; column < columns; ++column) + itemData.remove(position); + + foreach (TreeItem *child, childItems) + child->removeColumns(position, columns); + + return true; +} + +//! [11] +bool TreeItem::setData(int column, const QVariant &value) +{ + if (column < 0 || column >= itemData.size()) + return false; + + itemData[column] = value; + return true; +} +//! [11] |