05fc3aef53
Replace the current license disclaimer in files by a SPDX-License-Identifier. Files that have to be modified by hand are modified. License files are organized under LICENSES directory. Task-number: QTBUG-67283 Change-Id: Id880c92784c40f3bbde861c0d93f58151c18b9f1 Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org> Reviewed-by: Lars Knoll <lars.knoll@qt.io> Reviewed-by: Jörg Bornemann <joerg.bornemann@qt.io>
154 lines
3.4 KiB
C++
154 lines
3.4 KiB
C++
// Copyright (C) 2016 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
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#include "dommodel.h"
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#include "domitem.h"
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#include <QtXml>
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//! [0]
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DomModel::DomModel(const QDomDocument &document, QObject *parent)
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: QAbstractItemModel(parent),
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domDocument(document),
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rootItem(new DomItem(domDocument, 0))
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{
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}
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//! [0]
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//! [1]
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DomModel::~DomModel()
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{
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delete rootItem;
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}
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//! [1]
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//! [2]
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int DomModel::columnCount(const QModelIndex &parent) const
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{
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Q_UNUSED(parent);
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return 3;
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}
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//! [2]
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//! [3]
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QVariant DomModel::data(const QModelIndex &index, int role) const
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{
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if (!index.isValid())
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return QVariant();
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if (role != Qt::DisplayRole)
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return QVariant();
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const DomItem *item = static_cast<DomItem*>(index.internalPointer());
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const QDomNode node = item->node();
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//! [3] //! [4]
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switch (index.column()) {
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case 0:
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return node.nodeName();
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case 1:
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{
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const QDomNamedNodeMap attributeMap = node.attributes();
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QStringList attributes;
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for (int i = 0; i < attributeMap.count(); ++i) {
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QDomNode attribute = attributeMap.item(i);
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attributes << attribute.nodeName() + "=\""
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+ attribute.nodeValue() + '"';
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}
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return attributes.join(' ');
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}
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case 2:
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return node.nodeValue().split('\n').join(' ');
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default:
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break;
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}
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return QVariant();
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}
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//! [4]
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//! [5]
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Qt::ItemFlags DomModel::flags(const QModelIndex &index) const
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{
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if (!index.isValid())
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return Qt::NoItemFlags;
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return QAbstractItemModel::flags(index);
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}
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//! [5]
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//! [6]
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QVariant DomModel::headerData(int section, Qt::Orientation orientation,
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int role) const
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{
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if (orientation == Qt::Horizontal && role == Qt::DisplayRole) {
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switch (section) {
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case 0:
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return tr("Name");
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case 1:
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return tr("Attributes");
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case 2:
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return tr("Value");
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default:
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break;
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}
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}
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return QVariant();
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}
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//! [6]
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//! [7]
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QModelIndex DomModel::index(int row, int column, const QModelIndex &parent) const
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{
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if (!hasIndex(row, column, parent))
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return QModelIndex();
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DomItem *parentItem;
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if (!parent.isValid())
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parentItem = rootItem;
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else
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parentItem = static_cast<DomItem*>(parent.internalPointer());
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//! [7]
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//! [8]
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DomItem *childItem = parentItem->child(row);
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if (childItem)
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return createIndex(row, column, childItem);
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return QModelIndex();
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}
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//! [8]
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//! [9]
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QModelIndex DomModel::parent(const QModelIndex &child) const
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{
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if (!child.isValid())
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return QModelIndex();
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DomItem *childItem = static_cast<DomItem*>(child.internalPointer());
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DomItem *parentItem = childItem->parent();
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if (!parentItem || parentItem == rootItem)
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return QModelIndex();
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return createIndex(parentItem->row(), 0, parentItem);
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}
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//! [9]
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//! [10]
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int DomModel::rowCount(const QModelIndex &parent) const
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{
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if (parent.column() > 0)
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return 0;
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DomItem *parentItem;
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if (!parent.isValid())
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parentItem = rootItem;
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else
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parentItem = static_cast<DomItem*>(parent.internalPointer());
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return parentItem->node().childNodes().count();
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}
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//! [10]
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