QmlProfiler: Add special model for notes

Change-Id: Ia0acbc5e0a02563cf497594b67a5f7a67488fb79
Reviewed-by: Kai Koehne <kai.koehne@theqtcompany.com>

src/plugins/qmlprofiler/notesmodel.cpp

@@ -0,0 +1,216 @@
+/****************************************************************************
+**
+** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of Qt Creator.
+**
+** 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 Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** 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.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+****************************************************************************/
+
+#include "notesmodel.h"
+
+namespace QmlProfiler {
+
+NotesModel::NotesModel(QObject *parent) : QObject(parent), m_modelManager(0)
+{
+}
+
+int NotesModel::count() const
+{
+    return m_data.count();
+}
+
+void NotesModel::setModelManager(QmlProfilerModelManager *modelManager)
+{
+    m_modelManager = modelManager;
+}
+
+void NotesModel::addTimelineModel(const AbstractTimelineModel *timelineModel)
+{
+    connect(timelineModel, &AbstractTimelineModel::destroyed,
+            this, &NotesModel::removeTimelineModel);
+    m_timelineModels.insert(timelineModel->modelId(), timelineModel);
+}
+
+int NotesModel::typeId(int index) const
+{
+    const Note &note = m_data[index];
+    auto it = m_timelineModels.find(note.timelineModel);
+    if (it == m_timelineModels.end())
+        return -1; // This can happen if one of the timeline models has been removed
+    return it.value()->typeId(note.timelineIndex);
+}
+
+QString NotesModel::text(int index) const
+{
+    return m_data[index].text;
+}
+
+int NotesModel::timelineModel(int index) const
+{
+    return m_data[index].timelineModel;
+}
+
+int NotesModel::timelineIndex(int index) const
+{
+    return m_data[index].timelineIndex;
+}
+
+QVariantList NotesModel::byTypeId(int selectedType) const
+{
+    QVariantList ret;
+    for (int noteId = 0; noteId < count(); ++noteId) {
+        if (selectedType == typeId(noteId))
+            ret << noteId;
+    }
+    return ret;
+}
+
+QVariantList NotesModel::byTimelineModel(int timelineModel) const
+{
+    QVariantList ret;
+    for (int noteId = 0; noteId < count(); ++noteId) {
+        if (m_data[noteId].timelineModel == timelineModel)
+            ret << noteId;
+    }
+    return ret;
+}
+
+int NotesModel::get(int timelineModel, int timelineIndex) const
+{
+    for (int noteId = 0; noteId < count(); ++noteId) {
+        const Note &note = m_data[noteId];
+        if (note.timelineModel == timelineModel && note.timelineIndex == timelineIndex)
+            return noteId;
+    }
+
+    return -1;
+}
+
+int NotesModel::add(int timelineModel, int timelineIndex, const QString &text)
+{
+    const AbstractTimelineModel *model = m_timelineModels[timelineModel];
+    int typeId = model->range(timelineIndex).typeId;
+    Note note = { text, timelineModel, timelineIndex };
+    m_data << note;
+    emit changed(typeId, timelineModel, timelineIndex);
+    return m_data.count() - 1;
+}
+
+void NotesModel::update(int index, const QString &text)
+{
+    Note &note = m_data[index];
+    if (text != note.text) {
+        note.text = text;
+        emit changed(typeId(index), note.timelineModel, note.timelineIndex);
+    }
+}
+
+void NotesModel::remove(int index)
+{
+    Note &note = m_data[index];
+    int noteType = typeId(index);
+    int timelineModel = note.timelineModel;
+    int timelineIndex = note.timelineIndex;
+    m_data.removeAt(index);
+    emit changed(noteType, timelineModel, timelineIndex);
+}
+
+void NotesModel::removeTimelineModel(QObject *timelineModel)
+{
+    for (auto i = m_timelineModels.begin(); i != m_timelineModels.end();) {
+        if (i.value() == timelineModel)
+            i = m_timelineModels.erase(i);
+        else
+            ++i;
+    }
+}
+
+int NotesModel::add(int typeId, qint64 start, qint64 duration, const QString &text)
+{
+    int timelineModel = -1;
+    int timelineIndex = -1;
+    const QVector<QmlProfilerDataModel::QmlEventTypeData> &types =
+            m_modelManager->qmlModel()->getEventTypes();
+    foreach (const AbstractTimelineModel *model, m_timelineModels) {
+        if (model->accepted(types[typeId])) {
+            for (int i = model->firstIndex(start); i <= model->lastIndex(start + duration); ++i) {
+                if (i < 0)
+                    continue;
+                const SortedTimelineModel::Range &timelineRange = model->range(i);
+                if (timelineRange.typeId == typeId && timelineRange.start == start &&
+                        timelineRange.duration == duration) {
+                    timelineModel = model->modelId();
+                    timelineIndex = i;
+                    break;
+                }
+            }
+            if (timelineIndex != -1)
+                break;
+        }
+    }
+
+    if (timelineModel == -1 || timelineIndex == -1)
+        return -1;
+
+    Note note = { text, timelineModel, timelineIndex };
+    m_data << note;
+    return m_data.count() - 1;
+}
+
+void NotesModel::clear()
+{
+    m_data.clear();
+    emit changed(-1, -1, -1);
+}
+
+void NotesModel::loadData()
+{
+    m_data.clear();
+    const QVector<QmlProfilerDataModel::QmlEventNoteData> &notes =
+            m_modelManager->qmlModel()->getEventNotes();
+    for (int i = 0; i != notes.size(); ++i) {
+        const QmlProfilerDataModel::QmlEventNoteData &note = notes[i];
+        add(note.typeIndex, note.startTime, note.duration, note.text);
+    }
+    emit changed(-1, -1, -1);
+}
+
+void NotesModel::saveData()
+{
+    QVector<QmlProfilerDataModel::QmlEventNoteData> notes;
+    for (int i = 0; i < count(); ++i) {
+        const Note &note = m_data[i];
+        auto it = m_timelineModels.find(note.timelineModel);
+        if (it == m_timelineModels.end())
+            continue;
+
+        const SortedTimelineModel::Range &noteRange = it.value()->range(note.timelineIndex);
+        QmlProfilerDataModel::QmlEventNoteData save = {
+            noteRange.typeId, noteRange.start, noteRange.duration, note.text
+        };
+        notes.append(save);
+    }
+    m_modelManager->qmlModel()->setNoteData(notes);
+}
+}