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27 | ****************************************************************************/ |
28 | #include "openpagesmodel.h" |
29 | |
30 | #include "helpenginewrapper.h" |
31 | #include "helpviewer.h" |
32 | #include "tracer.h" |
33 | |
34 | #include <QtCore/QStringList> |
35 | #include <QtCore/QUrl> |
36 | |
37 | QT_BEGIN_NAMESPACE |
38 | |
39 | OpenPagesModel::OpenPagesModel(QObject *parent) : QAbstractTableModel(parent) |
40 | { |
41 | TRACE_OBJ |
42 | } |
43 | |
44 | int OpenPagesModel::rowCount(const QModelIndex &parent) const |
45 | { |
46 | TRACE_OBJ |
47 | return parent.isValid() ? 0 : m_pages.count(); |
48 | } |
49 | |
50 | int OpenPagesModel::columnCount(const QModelIndex &/*parent*/) const |
51 | { |
52 | TRACE_OBJ |
53 | return 2; |
54 | } |
55 | |
56 | QVariant OpenPagesModel::data(const QModelIndex &index, int role) const |
57 | { |
58 | TRACE_OBJ |
59 | if (!index.isValid() || index.row() >= rowCount() || index.column() > 0 |
60 | || role != Qt::DisplayRole) |
61 | return QVariant(); |
62 | QString title = m_pages.at(i: index.row())->title(); |
63 | title.replace(c: QLatin1Char('&'), after: QLatin1String("&&" )); |
64 | return title.isEmpty() ? QLatin1String("(Untitled)" ) : title; |
65 | } |
66 | |
67 | void OpenPagesModel::addPage(const QUrl &url, qreal zoom) |
68 | { |
69 | TRACE_OBJ |
70 | beginInsertRows(parent: QModelIndex(), first: rowCount(), last: rowCount()); |
71 | HelpViewer *page = new HelpViewer(zoom); |
72 | connect(sender: page, signal: &HelpViewer::titleChanged, |
73 | receiver: this, slot: &OpenPagesModel::handleTitleChanged); |
74 | m_pages << page; |
75 | endInsertRows(); |
76 | page->setSource(url); |
77 | } |
78 | |
79 | void OpenPagesModel::removePage(int index) |
80 | { |
81 | TRACE_OBJ |
82 | Q_ASSERT(index >= 0 && index < rowCount()); |
83 | beginRemoveRows(parent: QModelIndex(), first: index, last: index); |
84 | HelpViewer *page = m_pages.at(i: index); |
85 | m_pages.removeAt(i: index); |
86 | endRemoveRows(); |
87 | page->deleteLater(); |
88 | } |
89 | |
90 | HelpViewer *OpenPagesModel::pageAt(int index) const |
91 | { |
92 | TRACE_OBJ |
93 | Q_ASSERT(index >= 0 && index < rowCount()); |
94 | return m_pages.at(i: index); |
95 | } |
96 | |
97 | void OpenPagesModel::handleTitleChanged() |
98 | { |
99 | TRACE_OBJ |
100 | HelpViewer *page = static_cast<HelpViewer *>(sender()); |
101 | const int row = m_pages.indexOf(t: page); |
102 | Q_ASSERT(row != -1 ); |
103 | const QModelIndex &item = index(row, column: 0); |
104 | emit dataChanged(topLeft: item, bottomRight: item); |
105 | } |
106 | |
107 | QT_END_NAMESPACE |
108 | |