From b2f4cd6696507f5bfb3f63db2557eab444eff83f Mon Sep 17 00:00:00 2001
From: Rebecca Cox <rebecca.cox@acando.no>
Date: Mon, 23 Oct 2017 18:29:23 +0200
Subject: [PATCH] #1845 RFT/PLT Plot: Add support for annotation of Qwt plot

---
 .../UserInterface/CMakeLists_files.cmake      |  2 +
 .../UserInterface/RiuPlotAnnotationTool.cpp   | 63 +++++++++++++++++++
 .../UserInterface/RiuPlotAnnotationTool.h     | 40 ++++++++++++
 3 files changed, 105 insertions(+)
 create mode 100644 ApplicationCode/UserInterface/RiuPlotAnnotationTool.cpp
 create mode 100644 ApplicationCode/UserInterface/RiuPlotAnnotationTool.h

diff --git a/ApplicationCode/UserInterface/CMakeLists_files.cmake b/ApplicationCode/UserInterface/CMakeLists_files.cmake
index 965217a9a1..93336b29b8 100644
--- a/ApplicationCode/UserInterface/CMakeLists_files.cmake
+++ b/ApplicationCode/UserInterface/CMakeLists_files.cmake
@@ -40,6 +40,7 @@ ${CEE_CURRENT_LIST_DIR}RiuViewer.h
 ${CEE_CURRENT_LIST_DIR}RiuViewerCommands.h
 ${CEE_CURRENT_LIST_DIR}RiuWellLogPlot.h
 ${CEE_CURRENT_LIST_DIR}RiuWellLogTrack.h
+${CEE_CURRENT_LIST_DIR}RiuPlotAnnotationTool.h
 ${CEE_CURRENT_LIST_DIR}RiuGeoMechXfTensorResultAccessor.h
 ${CEE_CURRENT_LIST_DIR}RiuFemTimeHistoryResultAccessor.h
 ${CEE_CURRENT_LIST_DIR}RiuEditPerforationCollectionWidget.h
@@ -93,6 +94,7 @@ ${CEE_CURRENT_LIST_DIR}RiuViewer.cpp
 ${CEE_CURRENT_LIST_DIR}RiuViewerCommands.cpp
 ${CEE_CURRENT_LIST_DIR}RiuWellLogPlot.cpp
 ${CEE_CURRENT_LIST_DIR}RiuWellLogTrack.cpp
+${CEE_CURRENT_LIST_DIR}RiuPlotAnnotationTool.cpp
 ${CEE_CURRENT_LIST_DIR}RiuGeoMechXfTensorResultAccessor.cpp
 ${CEE_CURRENT_LIST_DIR}RiuFemTimeHistoryResultAccessor.cpp
 ${CEE_CURRENT_LIST_DIR}RiuEditPerforationCollectionWidget.cpp
diff --git a/ApplicationCode/UserInterface/RiuPlotAnnotationTool.cpp b/ApplicationCode/UserInterface/RiuPlotAnnotationTool.cpp
new file mode 100644
index 0000000000..ef0f40c8ad
--- /dev/null
+++ b/ApplicationCode/UserInterface/RiuPlotAnnotationTool.cpp
@@ -0,0 +1,63 @@
+/////////////////////////////////////////////////////////////////////////////////
+//
+//  Copyright (C) 2017-     Statoil ASA
+// 
+//  ResInsight is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+// 
+//  ResInsight is distributed in the hope that it will be useful, but WITHOUT ANY
+//  WARRANTY; without even the implied warranty of MERCHANTABILITY or
+//  FITNESS FOR A PARTICULAR PURPOSE.
+// 
+//  See the GNU General Public License at <http://www.gnu.org/licenses/gpl.html> 
+//  for more details.
+//
+/////////////////////////////////////////////////////////////////////////////////
+
+#include "RiuPlotAnnotationTool.h"
+
+#include <QString>
+
+#include "qwt_plot.h"
+
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+void RiuPlotAnnotationTool::attachFormationNames(const std::vector<QString>& names, const std::vector<double> yPositions)
+{
+    if (names.size() != yPositions.size()) return;
+
+    QPen curvePen;
+    curvePen.setStyle(Qt::DashLine);
+    curvePen.setColor(Qt::gray);
+    curvePen.setWidth(1);
+
+    for (size_t i = 0; i < names.size(); i++)
+    {
+        std::unique_ptr<QwtPlotMarker> line(std::make_unique<QwtPlotMarker>());
+   
+        line->setLineStyle(QwtPlotMarker::HLine);
+        line->setLinePen(curvePen);
+        line->setYValue(yPositions[i]);
+        line->setLabel(names[i]);
+        line->setLabelAlignment(Qt::AlignLeft | Qt::AlignBottom);
+
+        line->attach(m_plot);
+
+        m_markers.push_back(std::move(line));
+    }
+}
+
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+void RiuPlotAnnotationTool::detachAllAnnotations()
+{
+    for (size_t i = 0; i < m_markers.size(); i++)
+    {
+        m_markers[i]->detach();
+    }
+    m_markers.clear();
+}
diff --git a/ApplicationCode/UserInterface/RiuPlotAnnotationTool.h b/ApplicationCode/UserInterface/RiuPlotAnnotationTool.h
new file mode 100644
index 0000000000..4d46e83ded
--- /dev/null
+++ b/ApplicationCode/UserInterface/RiuPlotAnnotationTool.h
@@ -0,0 +1,40 @@
+/////////////////////////////////////////////////////////////////////////////////
+//
+//  Copyright (C) 2017-     Statoil ASA
+// 
+//  ResInsight is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+// 
+//  ResInsight is distributed in the hope that it will be useful, but WITHOUT ANY
+//  WARRANTY; without even the implied warranty of MERCHANTABILITY or
+//  FITNESS FOR A PARTICULAR PURPOSE.
+// 
+//  See the GNU General Public License at <http://www.gnu.org/licenses/gpl.html> 
+//  for more details.
+//
+/////////////////////////////////////////////////////////////////////////////////
+
+#pragma once
+
+#include "qwt_plot_marker.h"
+
+#include <memory>
+#include <vector>
+
+class QString;
+class QwtPlot;
+
+class RiuPlotAnnotationTool
+{
+public:
+    RiuPlotAnnotationTool(QwtPlot* plot) : m_plot(plot) {};
+
+    void attachFormationNames(const std::vector<QString>& names, const std::vector<double> yPositions);
+    void detachAllAnnotations();
+
+private:
+    QwtPlot* m_plot;
+    std::vector<std::unique_ptr<QwtPlotMarker>> m_markers;
+};