Implement open pages classes to handle doc files like edit mode.

Based on the implementation done by ck, slightly modified and thus put under the private help internal namespace.
2010-03-29 14:57:02 +02:00
parent a3a531c5b1
commit b1411d540c
6 changed files with 780 additions and 0 deletions
--- a/src/plugins/help/openpagesmodel.cpp
+++ b/src/plugins/help/openpagesmodel.cpp
@@ -0,0 +1,94 @@
+/**************************************************************************
+**
+** This file is part of Qt Creator
+**
+** Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
+**
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** 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.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at http://qt.nokia.com/contact.
+**
+**************************************************************************/
+
+#include "openpagesmodel.h"
+#include "helpviewer.h"
+
+#include <QtCore/QUrl>
+
+using namespace Help::Internal;
+
+OpenPagesModel::OpenPagesModel(QObject *parent)
+    : QAbstractTableModel(parent)
+{
+}
+
+int OpenPagesModel::columnCount(const QModelIndex &/*parent*/) const
+{
+    return 2;
+}
+
+int OpenPagesModel::rowCount(const QModelIndex &parent) const
+{
+    return  parent.isValid() ? 0 : m_pages.count();
+}
+
+QVariant OpenPagesModel::data(const QModelIndex &index, int role) const
+{
+    if (!index.isValid() || index.row() >= rowCount() || role != Qt::DisplayRole)
+        return QVariant();
+    QString title = m_pages.at(index.row())->title();
+    title.replace(QLatin1Char('&'), QLatin1String("&&"));
+    return title.isEmpty() ? tr("(Untitled)") : title;
+}
+
+void OpenPagesModel::addPage(const QUrl &url, qreal zoom)
+{
+    beginInsertRows(QModelIndex(), rowCount(), rowCount());
+    HelpViewer *page = new HelpViewer(zoom);
+    connect(page, SIGNAL(titleChanged()), this, SLOT(handleTitleChanged()));
+    m_pages << page;
+    endInsertRows();
+    page->setSource(url);
+}
+
+void OpenPagesModel::removePage(int index)
+{
+    Q_ASSERT(index >= 0 && index < rowCount());
+    beginRemoveRows(QModelIndex(), index, index);
+    HelpViewer *page = m_pages.at(index);
+    m_pages.removeAt(index);
+    endRemoveRows();
+    page->deleteLater();
+}
+
+HelpViewer *OpenPagesModel::pageAt(int index) const
+{
+    Q_ASSERT(index >= 0 && index < rowCount());
+    return m_pages.at(index);
+}
+
+void OpenPagesModel::handleTitleChanged()
+{
+    HelpViewer *page = static_cast<HelpViewer *>(sender());
+    const int row = m_pages.indexOf(page);
+    Q_ASSERT(row != -1 );
+    const QModelIndex &item = index(row, 0);
+    emit dataChanged(item, item);
+}