ClassView: Initial implementation

Merge-request: 2167
Reviewed-by: Kai Koehne <kai.koehne@nokia.com>

src/plugins/classview/classviewtreeitemmodel.cpp

@@ -0,0 +1,129 @@
+/**************************************************************************
+**
+** This file is part of Qt Creator
+**
+** Copyright (c) 2010 Denis Mingulov.
+**
+** 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 "classviewtreeitemmodel.h"
+#include "classviewconstants.h"
+#include "classviewmanager.h"
+#include "classviewutils.h"
+
+#include <cplusplus/Icons.h>
+
+namespace ClassView {
+namespace Internal {
+
+///////////////////////////////// TreeItemModelPrivate //////////////////////////////////
+
+/*!
+   \struct TreeItemModelPrivate
+   \brief Private class data for \a TreeItemModel
+   \sa TreeItemModel
+ */
+struct TreeItemModelPrivate
+{
+    //! icon provider
+    CPlusPlus::Icons icons;
+};
+
+///////////////////////////////// TreeItemModel //////////////////////////////////
+
+TreeItemModel::TreeItemModel(QObject *parent)
+    : QStandardItemModel(parent),
+    d_ptr(new TreeItemModelPrivate())
+{
+}
+
+TreeItemModel::~TreeItemModel()
+{
+}
+
+QVariant TreeItemModel::data(const QModelIndex &index, int role) const
+{
+    if (!index.isValid())
+        return QStandardItemModel::data(index, role);
+
+    switch (role) {
+    case Qt::DecorationRole: {
+            QVariant iconType = data(index, Constants::IconTypeRole);
+            if (iconType.isValid()) {
+                bool ok = false;
+                int type = iconType.toInt(&ok);
+                if (ok && type >= 0)
+                    return d_ptr->icons.iconForType(static_cast<CPlusPlus::Icons::IconType>(type));
+            }
+        }
+        break;
+    case Qt::ToolTipRole:
+    case Qt::DisplayRole: {
+            const SymbolInformation &inf = Utils::symbolInformationFromItem(itemFromIndex(index));
+
+            if (inf.name() == inf.type() || inf.iconType() < 0)
+                return inf.name();
+
+            QString name(inf.name());
+
+            if (!inf.type().isEmpty())
+                name += QLatin1String(" ") + inf.type();
+
+            return name;
+        }
+        break;
+    default:
+        break;
+    }
+
+    return QStandardItemModel::data(index, role);
+}
+
+bool TreeItemModel::canFetchMore(const QModelIndex &parent) const
+{
+    if (!parent.isValid())
+        return false;
+
+    return Manager::instance()->canFetchMore(itemFromIndex(parent));
+}
+
+void TreeItemModel::fetchMore(const QModelIndex &parent)
+{
+    if (!parent.isValid())
+        return;
+
+    return Manager::instance()->fetchMore(itemFromIndex(parent));
+}
+
+void TreeItemModel::moveRootToTarget(const QStandardItem *target)
+{
+    emit layoutAboutToBeChanged();
+
+    Utils::moveItemToTarget(invisibleRootItem(), target);
+
+    emit layoutChanged();
+}
+
+} // namespace Internal
+} // namespace ClassView