1 files changed, 122 insertions, 0 deletions
diff --git a/src/Authoring/Qt3DStudio/UI/RecentItems.cpp b/src/Authoring/Qt3DStudio/UI/RecentItems.cpp
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+++ b/src/Authoring/Qt3DStudio/UI/RecentItems.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2016 NVIDIA Corporation.
+** Copyright (C) 2017 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of Qt 3D Studio.
+**
+** $QT_BEGIN_LICENSE:GPL-EXCEPT$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "RecentItems.h"
+#include "StudioPreferences.h"
+
+#include <QtWidgets/qmenu.h>
+#include <QtCore/qfileinfo.h>
+
+const int CRecentItems::MAX_ITEMS = 10; // maximum allowed number of recent items
+
+CRecentItems::CRecentItems(QMenu *inMenuID)
+{
+    m_Menu = inMenuID;
+
+    ReconstructList();
+}
+
+CRecentItems::~CRecentItems()
+{
+}
+
+void CRecentItems::AddRecentItem(const QString &inItem)
+{
+    RemoveRecentItem(inItem, false);
+
+    m_RecentItems.insert(m_RecentItems.begin(), inItem);
+
+    while (m_RecentItems.size() > MAX_ITEMS)
+        m_RecentItems.pop_back();
+
+    RebuildList();
+}
+
+void CRecentItems::RemoveRecentItem(const QString &inItem, bool rebuild)
+{
+    auto thePos = m_RecentItems.begin();
+    for (; thePos != m_RecentItems.end(); ++thePos) {
+        if (*thePos == inItem) {
+            m_RecentItems.erase(thePos);
+            break;
+        }
+    }
+
+    if (rebuild)
+        RebuildList();
+}
+
+// load the recent items from the preferences file to m_RecentItems and add them to menu
+void CRecentItems::ReconstructList()
+{
+    m_Menu->clear();
+    m_RecentItems.clear();
+
+    int numRecentItems = CStudioPreferences::getNumRecentItems();
+    if (numRecentItems > MAX_ITEMS)
+        numRecentItems = MAX_ITEMS;
+
+    for (int i = 0; i < numRecentItems; ++i) {
+        QString theFile = CStudioPreferences::getRecentItem(i);
+        if (!theFile.isEmpty() && QFileInfo(theFile).exists()) {
+            m_RecentItems.push_back(theFile);
+            QAction *act = m_Menu->addAction(theFile, this, &CRecentItems::onTriggerRecent);
+            act->setData(i);
+        }
+    }
+}
+
+// save the recent items from m_RecentItems to the preferences file. Also recreate the menu.
+void CRecentItems::RebuildList()
+{
+    m_Menu->clear();
+
+    CStudioPreferences::setNumRecentItems(GetItemCount());
+
+    for (int i = 0; i < m_RecentItems.size(); ++i) {
+        const QString &item_i = m_RecentItems.at(i);
+        if (QFileInfo(item_i).exists()) {
+            QAction *act = m_Menu->addAction(item_i, this, &CRecentItems::onTriggerRecent);
+            act->setData(i);
+            CStudioPreferences::setRecentItem(i, item_i);
+        }
+    }
+}
+
+QString CRecentItems::GetItem(long inIndex) const
+{
+    return m_RecentItems.at(inIndex);
+}
+
+void CRecentItems::onTriggerRecent()
+{
+    const int index = qobject_cast<QAction *>(sender())->data().toInt();
+    Q_EMIT openRecent(index);
+}
+