1 | // Copyright (C) 2016 The Qt Company Ltd. |
2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0 |
3 | #include "openpagesmodel.h" |
4 | |
5 | #include "helpenginewrapper.h" |
6 | #include "helpviewer.h" |
7 | #include "tracer.h" |
8 | |
9 | #include <QtCore/QStringList> |
10 | #include <QtCore/QUrl> |
11 | |
12 | QT_BEGIN_NAMESPACE |
13 | |
14 | OpenPagesModel::OpenPagesModel(QObject *parent) : QAbstractTableModel(parent) |
15 | { |
16 | TRACE_OBJ |
17 | } |
18 | |
19 | int OpenPagesModel::rowCount(const QModelIndex &parent) const |
20 | { |
21 | TRACE_OBJ |
22 | return parent.isValid() ? 0 : m_pages.size(); |
23 | } |
24 | |
25 | int OpenPagesModel::columnCount(const QModelIndex &/*parent*/) const |
26 | { |
27 | TRACE_OBJ |
28 | return 2; |
29 | } |
30 | |
31 | QVariant OpenPagesModel::data(const QModelIndex &index, int role) const |
32 | { |
33 | TRACE_OBJ |
34 | if (!index.isValid() || index.row() >= rowCount() || index.column() > 0 |
35 | || role != Qt::DisplayRole) |
36 | return QVariant(); |
37 | QString title = m_pages.at(i: index.row())->title(); |
38 | title.replace(c: QLatin1Char('&'), after: QLatin1String("&&" )); |
39 | return title.isEmpty() ? QLatin1String("(Untitled)" ) : title; |
40 | } |
41 | |
42 | HelpViewer *OpenPagesModel::addPage(const QUrl &url, qreal zoom) |
43 | { |
44 | TRACE_OBJ |
45 | beginInsertRows(parent: QModelIndex(), first: rowCount(), last: rowCount()); |
46 | HelpViewer *page = new HelpViewer(zoom); |
47 | connect(sender: page, signal: &HelpViewer::titleChanged, |
48 | context: this, slot: &OpenPagesModel::handleTitleChanged); |
49 | m_pages << page; |
50 | endInsertRows(); |
51 | page->setSource(url); |
52 | return page; |
53 | } |
54 | |
55 | void OpenPagesModel::removePage(int index) |
56 | { |
57 | TRACE_OBJ |
58 | Q_ASSERT(index >= 0 && index < rowCount()); |
59 | beginRemoveRows(parent: QModelIndex(), first: index, last: index); |
60 | HelpViewer *page = m_pages.at(i: index); |
61 | m_pages.removeAt(i: index); |
62 | endRemoveRows(); |
63 | page->deleteLater(); |
64 | } |
65 | |
66 | HelpViewer *OpenPagesModel::pageAt(int index) const |
67 | { |
68 | TRACE_OBJ |
69 | Q_ASSERT(index >= 0 && index < rowCount()); |
70 | return m_pages.at(i: index); |
71 | } |
72 | |
73 | void OpenPagesModel::handleTitleChanged() |
74 | { |
75 | TRACE_OBJ |
76 | HelpViewer *page = static_cast<HelpViewer *>(sender()); |
77 | const int row = m_pages.indexOf(t: page); |
78 | Q_ASSERT(row != -1 ); |
79 | const QModelIndex &item = index(row, column: 0); |
80 | emit dataChanged(topLeft: item, bottomRight: item); |
81 | } |
82 | |
83 | QT_END_NAMESPACE |
84 | |