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41 #include "openpagesmodel.h"
42
43 #include "helpenginewrapper.h"
44 #include "helpviewer.h"
45 #include "tracer.h"
46
47 #include <QtCore/QStringList>
48 #include <QtCore/QUrl>
49
50 QT_BEGIN_NAMESPACE
51
OpenPagesModel(QObject * parent)52 OpenPagesModel::OpenPagesModel(QObject *parent) : QAbstractTableModel(parent)
53 {
54 TRACE_OBJ
55 }
56
rowCount(const QModelIndex & parent) const57 int OpenPagesModel::rowCount(const QModelIndex &parent) const
58 {
59 TRACE_OBJ
60 return parent.isValid() ? 0 : m_pages.count();
61 }
62
columnCount(const QModelIndex &) const63 int OpenPagesModel::columnCount(const QModelIndex &/*parent*/) const
64 {
65 TRACE_OBJ
66 return 2;
67 }
68
data(const QModelIndex & index,int role) const69 QVariant OpenPagesModel::data(const QModelIndex &index, int role) const
70 {
71 TRACE_OBJ
72 if (!index.isValid() || index.row() >= rowCount() || index.column() > 0
73 || role != Qt::DisplayRole)
74 return QVariant();
75 QString title = m_pages.at(index.row())->title();
76 title.replace(QLatin1Char('&'), QLatin1String("&&"));
77 return title.isEmpty() ? QLatin1String("(Untitled)") : title;
78 }
79
addPage(const QUrl & url,qreal zoom)80 void OpenPagesModel::addPage(const QUrl &url, qreal zoom)
81 {
82 TRACE_OBJ
83 beginInsertRows(QModelIndex(), rowCount(), rowCount());
84 HelpViewer *page = new HelpViewer(zoom);
85 connect(page, SIGNAL(titleChanged()), this, SLOT(handleTitleChanged()));
86 m_pages << page;
87 endInsertRows();
88 page->setSource(url);
89 }
90
removePage(int index)91 void OpenPagesModel::removePage(int index)
92 {
93 TRACE_OBJ
94 Q_ASSERT(index >= 0 && index < rowCount());
95 beginRemoveRows(QModelIndex(), index, index);
96 HelpViewer *page = m_pages.at(index);
97 m_pages.removeAt(index);
98 endRemoveRows();
99 page->deleteLater();
100 }
101
pageAt(int index) const102 HelpViewer *OpenPagesModel::pageAt(int index) const
103 {
104 TRACE_OBJ
105 Q_ASSERT(index >= 0 && index < rowCount());
106 return m_pages.at(index);
107 }
108
handleTitleChanged()109 void OpenPagesModel::handleTitleChanged()
110 {
111 TRACE_OBJ
112 HelpViewer *page = static_cast<HelpViewer *>(sender());
113 const int row = m_pages.indexOf(page);
114 Q_ASSERT(row != -1 );
115 const QModelIndex &item = index(row, 0);
116 emit dataChanged(item, item);
117 }
118
119 QT_END_NAMESPACE
120