@@ -1,57 +1,61 | |||
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1 | 1 | #ifndef SCIQLOP_VISUALIZATIONDRAGDROPCONTAINER_H |
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2 | 2 | #define SCIQLOP_VISUALIZATIONDRAGDROPCONTAINER_H |
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3 | 3 | |
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4 | 4 | #include <Common/spimpl.h> |
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5 | 5 | #include <QFrame> |
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6 | 6 | #include <QLoggingCategory> |
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7 | 7 | #include <QMimeData> |
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8 | 8 | #include <QVBoxLayout> |
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9 | 9 | |
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10 | 10 | #include <functional> |
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11 | 11 | |
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12 | 12 | #include <DragAndDrop/DragDropHelper.h> |
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13 | 13 | |
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14 | 14 | Q_DECLARE_LOGGING_CATEGORY(LOG_VisualizationDragDropContainer) |
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15 | 15 | |
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16 | 16 | class VisualizationDragWidget; |
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17 | 17 | |
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18 | 18 | class VisualizationDragDropContainer : public QFrame { |
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19 | 19 | Q_OBJECT |
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20 | 20 | |
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21 | 21 | signals: |
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22 | 22 | void dropOccuredInContainer(int dropIndex, const QMimeData *mimeData); |
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23 | 23 | void dropOccuredOnWidget(VisualizationDragWidget *dragWidget, const QMimeData *mimeData); |
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24 | 24 | |
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25 | 25 | public: |
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26 | 26 | enum class DropBehavior { Inserted, Merged, InsertedAndMerged, Forbidden }; |
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27 | 27 | using AcceptMimeDataFunction = std::function<bool(const QMimeData *mimeData)>; |
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28 | using AcceptDragWidgetFunction | |
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29 | = std::function<bool(const VisualizationDragWidget *dragWidget, const QMimeData *mimeData)>; | |
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28 | 30 | |
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29 | 31 | VisualizationDragDropContainer(QWidget *parent = nullptr); |
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30 | 32 | |
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31 | 33 | void addDragWidget(VisualizationDragWidget *dragWidget); |
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32 | 34 | void insertDragWidget(int index, VisualizationDragWidget *dragWidget); |
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33 | 35 | |
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34 | 36 | void setMimeType(const QString &mimeType, DropBehavior behavior); |
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35 | 37 | |
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36 | 38 | int countDragWidget() const; |
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37 | 39 | |
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38 | 40 | void setAcceptMimeDataFunction(AcceptMimeDataFunction fun); |
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39 | 41 | |
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42 | void setAcceptDragWidgetFunction(AcceptDragWidgetFunction fun); | |
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43 | ||
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40 | 44 | void setPlaceHolderType(DragDropHelper::PlaceHolderType type, |
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41 | 45 | const QString &placeHolderText = QString()); |
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42 | 46 | |
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43 | 47 | protected: |
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44 | 48 | void dragEnterEvent(QDragEnterEvent *event); |
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45 | 49 | void dragLeaveEvent(QDragLeaveEvent *event); |
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46 | 50 | void dragMoveEvent(QDragMoveEvent *event); |
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47 | 51 | void dropEvent(QDropEvent *event); |
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48 | 52 | |
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49 | 53 | private: |
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50 | 54 | class VisualizationDragDropContainerPrivate; |
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51 | 55 | spimpl::unique_impl_ptr<VisualizationDragDropContainerPrivate> impl; |
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52 | 56 | |
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53 | 57 | private slots: |
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54 | 58 | void startDrag(VisualizationDragWidget *dragWidget, const QPoint &dragPosition); |
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55 | 59 | }; |
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56 | 60 | |
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57 | 61 | #endif // SCIQLOP_VISUALIZATIONDRAGDROPCONTAINER_H |
@@ -1,473 +1,492 | |||
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1 | 1 | #include "Visualization/VisualizationDragDropContainer.h" |
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2 | 2 | #include "DragAndDrop/DragDropHelper.h" |
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3 | 3 | #include "SqpApplication.h" |
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4 | 4 | #include "Visualization/VisualizationDragWidget.h" |
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5 | 5 | |
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6 | 6 | #include "Common/VisualizationDef.h" |
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7 | 7 | |
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8 | 8 | #include <QDrag> |
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9 | 9 | #include <QDragEnterEvent> |
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10 | 10 | #include <QVBoxLayout> |
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11 | 11 | |
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12 | 12 | #include <cmath> |
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13 | 13 | #include <memory> |
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14 | 14 | |
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15 | 15 | Q_LOGGING_CATEGORY(LOG_VisualizationDragDropContainer, "VisualizationDragDropContainer") |
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16 | 16 | |
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17 | 17 | auto DRAGGED_MINIATURE_WIDTH = 200; // in pixels |
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18 | 18 | |
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19 | 19 | struct VisualizationDragDropContainer::VisualizationDragDropContainerPrivate { |
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20 | 20 | |
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21 | 21 | QVBoxLayout *m_Layout; |
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22 | 22 | QHash<QString, VisualizationDragDropContainer::DropBehavior> m_AcceptedMimeTypes; |
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23 | 23 | QString m_PlaceHolderText; |
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24 | 24 | DragDropHelper::PlaceHolderType m_PlaceHolderType; |
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25 | 25 | |
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26 | 26 | VisualizationDragDropContainer::AcceptMimeDataFunction m_AcceptMimeDataFun |
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27 | 27 | = [](auto mimeData) { return true; }; |
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28 | VisualizationDragDropContainer::AcceptDragWidgetFunction m_AcceptDragWidgetFun | |
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29 | = [](auto dragWidget, auto mimeData) { return true; }; | |
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28 | 30 | |
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29 | 31 | int m_MinContainerHeight = 0; |
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30 | 32 | |
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31 | 33 | explicit VisualizationDragDropContainerPrivate(QWidget *widget) |
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32 | 34 | : m_PlaceHolderType(DragDropHelper::PlaceHolderType::Graph) |
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33 | 35 | { |
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34 | 36 | m_Layout = new QVBoxLayout(widget); |
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35 | 37 | m_Layout->setContentsMargins(0, 0, 0, 0); |
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36 | 38 | } |
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37 | 39 | |
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38 | 40 | bool acceptMimeData(const QMimeData *data) const |
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39 | 41 | { |
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40 | 42 | auto accepted = false; |
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41 | 43 | for (auto it = m_AcceptedMimeTypes.constBegin(); it != m_AcceptedMimeTypes.constEnd(); |
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42 | 44 | ++it) { |
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43 | 45 | const auto &type = it.key(); |
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44 | 46 | const auto &behavior = it.value(); |
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45 | 47 | |
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46 | 48 | if (data->hasFormat(type)) { |
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47 | 49 | if (behavior != DropBehavior::Forbidden) { |
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48 | 50 | accepted = true; |
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49 | 51 | } |
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50 | 52 | else { |
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51 | 53 | accepted = false; |
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52 | 54 | break; |
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53 | 55 | } |
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54 | 56 | } |
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55 | 57 | } |
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56 | 58 | |
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57 | 59 | if (accepted) { |
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58 | 60 | accepted = m_AcceptMimeDataFun(data); |
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59 | 61 | } |
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60 | 62 | |
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61 | 63 | return accepted; |
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62 | 64 | } |
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63 | 65 | |
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64 | 66 | bool allowMergeForMimeData(const QMimeData *data) const |
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65 | 67 | { |
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66 | 68 | auto result = false; |
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67 | 69 | for (auto it = m_AcceptedMimeTypes.constBegin(); it != m_AcceptedMimeTypes.constEnd(); |
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68 | 70 | ++it) { |
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69 | 71 | |
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70 | 72 | if (data->hasFormat(it.key()) |
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71 | 73 | && (it.value() == VisualizationDragDropContainer::DropBehavior::Merged |
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72 | 74 | || it.value() |
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73 | 75 | == VisualizationDragDropContainer::DropBehavior::InsertedAndMerged)) { |
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74 | 76 | result = true; |
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75 | 77 | } |
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76 | 78 | else if (data->hasFormat(it.key()) |
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77 | 79 | && it.value() == VisualizationDragDropContainer::DropBehavior::Inserted) { |
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78 | 80 | // Merge is forbidden if the mime data contain an acceptable type which cannot be |
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79 | 81 | // merged |
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80 | 82 | result = false; |
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81 | 83 | break; |
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82 | 84 | } |
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83 | 85 | } |
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84 | 86 | |
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85 | 87 | return result; |
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86 | 88 | } |
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87 | 89 | |
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88 | 90 | bool allowInsertForMimeData(const QMimeData *data) const |
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89 | 91 | { |
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90 | 92 | for (auto it = m_AcceptedMimeTypes.constBegin(); it != m_AcceptedMimeTypes.constEnd(); |
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91 | 93 | ++it) { |
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92 | 94 | if (data->hasFormat(it.key()) |
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93 | 95 | && (it.value() == VisualizationDragDropContainer::DropBehavior::Inserted |
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94 | 96 | || it.value() |
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95 | 97 | == VisualizationDragDropContainer::DropBehavior::InsertedAndMerged)) { |
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96 | 98 | return true; |
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97 | 99 | } |
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98 | 100 | } |
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99 | 101 | |
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100 | 102 | return false; |
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101 | 103 | } |
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102 | 104 | |
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103 | 105 | bool hasPlaceHolder() const |
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104 | 106 | { |
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105 | 107 | return sqpApp->dragDropHelper().placeHolder().parentWidget() == m_Layout->parentWidget(); |
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106 | 108 | } |
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107 | 109 | |
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108 | 110 | VisualizationDragWidget *getChildDragWidgetAt(const QWidget *parent, const QPoint &pos) const |
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109 | 111 | { |
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110 | 112 | VisualizationDragWidget *dragWidget = nullptr; |
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111 | 113 | |
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112 | 114 | for (auto child : parent->children()) { |
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113 | 115 | auto widget = qobject_cast<VisualizationDragWidget *>(child); |
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114 | 116 | if (widget && widget->isVisible()) { |
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115 | 117 | if (widget->frameGeometry().contains(pos)) { |
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116 | 118 | dragWidget = widget; |
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117 | 119 | break; |
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118 | 120 | } |
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119 | 121 | } |
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120 | 122 | } |
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121 | 123 | |
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122 | 124 | return dragWidget; |
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123 | 125 | } |
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124 | 126 | |
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125 | 127 | bool cursorIsInContainer(QWidget *container) const |
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126 | 128 | { |
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127 | 129 | auto widgetUnderMouse = sqpApp->widgetAt(QCursor::pos()); |
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128 | 130 | return container->isAncestorOf(widgetUnderMouse) && widgetUnderMouse != container |
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129 | 131 | && sqpApp->dragDropHelper().placeHolder().isAncestorOf(widgetUnderMouse); |
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130 | 132 | } |
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131 | 133 | |
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132 | 134 | int countDragWidget(const QWidget *parent, bool onlyVisible = false) const |
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133 | 135 | { |
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134 | 136 | auto nbGraph = 0; |
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135 | 137 | for (auto child : parent->children()) { |
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136 | 138 | if (qobject_cast<VisualizationDragWidget *>(child)) { |
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137 | 139 | if (!onlyVisible || qobject_cast<VisualizationDragWidget *>(child)->isVisible()) { |
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138 | 140 | nbGraph += 1; |
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139 | 141 | } |
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140 | 142 | } |
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141 | 143 | } |
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142 | 144 | |
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143 | 145 | return nbGraph; |
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144 | 146 | } |
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145 | 147 | |
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146 |
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147 | const VisualizationDragDropContainer *container); | |
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148 | bool findPlaceHolderPosition(const QPoint &pos, const QMimeData *mimeData, bool canInsert, | |
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149 | bool canMerge, const VisualizationDragDropContainer *container); | |
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148 | 150 | }; |
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149 | 151 | |
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150 | 152 | VisualizationDragDropContainer::VisualizationDragDropContainer(QWidget *parent) |
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151 | 153 | : QFrame{parent}, |
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152 | 154 | impl{spimpl::make_unique_impl<VisualizationDragDropContainerPrivate>(this)} |
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153 | 155 | { |
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154 | 156 | setAcceptDrops(true); |
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155 | 157 | } |
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156 | 158 | |
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157 | 159 | void VisualizationDragDropContainer::addDragWidget(VisualizationDragWidget *dragWidget) |
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158 | 160 | { |
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159 | 161 | impl->m_Layout->addWidget(dragWidget); |
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160 | 162 | disconnect(dragWidget, &VisualizationDragWidget::dragDetected, nullptr, nullptr); |
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161 | 163 | connect(dragWidget, &VisualizationDragWidget::dragDetected, this, |
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162 | 164 | &VisualizationDragDropContainer::startDrag); |
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163 | 165 | } |
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164 | 166 | |
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165 | 167 | void VisualizationDragDropContainer::insertDragWidget(int index, |
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166 | 168 | VisualizationDragWidget *dragWidget) |
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167 | 169 | { |
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168 | 170 | impl->m_Layout->insertWidget(index, dragWidget); |
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169 | 171 | disconnect(dragWidget, &VisualizationDragWidget::dragDetected, nullptr, nullptr); |
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170 | 172 | connect(dragWidget, &VisualizationDragWidget::dragDetected, this, |
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171 | 173 | &VisualizationDragDropContainer::startDrag); |
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172 | 174 | } |
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173 | 175 | |
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174 | 176 | void VisualizationDragDropContainer::setMimeType( |
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175 | 177 | const QString &mimeType, VisualizationDragDropContainer::DropBehavior behavior) |
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176 | 178 | { |
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177 | 179 | impl->m_AcceptedMimeTypes[mimeType] = behavior; |
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178 | 180 | } |
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179 | 181 | |
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180 | 182 | int VisualizationDragDropContainer::countDragWidget() const |
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181 | 183 | { |
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182 | 184 | return impl->countDragWidget(this); |
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183 | 185 | } |
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184 | 186 | |
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185 | 187 | void VisualizationDragDropContainer::setAcceptMimeDataFunction( |
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186 | 188 | VisualizationDragDropContainer::AcceptMimeDataFunction fun) |
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187 | 189 | { |
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188 | 190 | impl->m_AcceptMimeDataFun = fun; |
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189 | 191 | } |
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190 | 192 | |
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193 | void VisualizationDragDropContainer::setAcceptDragWidgetFunction( | |
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194 | VisualizationDragDropContainer::AcceptDragWidgetFunction fun) | |
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195 | { | |
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196 | impl->m_AcceptDragWidgetFun = fun; | |
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197 | } | |
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198 | ||
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191 | 199 | void VisualizationDragDropContainer::setPlaceHolderType(DragDropHelper::PlaceHolderType type, |
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192 | 200 | const QString &placeHolderText) |
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193 | 201 | { |
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194 | 202 | impl->m_PlaceHolderType = type; |
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195 | 203 | impl->m_PlaceHolderText = placeHolderText; |
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196 | 204 | } |
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197 | 205 | |
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198 | 206 | void VisualizationDragDropContainer::startDrag(VisualizationDragWidget *dragWidget, |
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199 | 207 | const QPoint &dragPosition) |
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200 | 208 | { |
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201 | 209 | auto &helper = sqpApp->dragDropHelper(); |
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202 | 210 | helper.resetDragAndDrop(); |
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203 | 211 | |
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204 | 212 | // Note: The management of the drag object is done by Qt |
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205 | 213 | auto drag = new QDrag{dragWidget}; |
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206 | 214 | |
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207 | 215 | auto mimeData = dragWidget->mimeData(); |
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208 | 216 | drag->setMimeData(mimeData); |
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209 | 217 | |
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210 | 218 | auto pixmap = QPixmap(dragWidget->size()); |
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211 | 219 | dragWidget->render(&pixmap); |
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212 | 220 | drag->setPixmap(pixmap.scaled(DRAGGED_MINIATURE_WIDTH, DRAGGED_MINIATURE_WIDTH, |
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213 | 221 | Qt::KeepAspectRatio, Qt::SmoothTransformation)); |
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214 | 222 | |
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215 | 223 | auto image = pixmap.toImage(); |
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216 | 224 | mimeData->setImageData(image); |
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217 | 225 | mimeData->setUrls({helper.imageTemporaryUrl(image)}); |
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218 | 226 | |
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219 | 227 | if (impl->m_Layout->indexOf(dragWidget) >= 0) { |
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220 | 228 | helper.setCurrentDragWidget(dragWidget); |
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221 | 229 | |
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222 | 230 | if (impl->cursorIsInContainer(this)) { |
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223 | 231 | auto dragWidgetIndex = impl->m_Layout->indexOf(dragWidget); |
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224 | 232 | helper.insertPlaceHolder(impl->m_Layout, dragWidgetIndex, impl->m_PlaceHolderType, |
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225 | 233 | impl->m_PlaceHolderText); |
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226 | 234 | dragWidget->setVisible(false); |
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227 | 235 | } |
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228 | 236 | else { |
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229 | 237 | // The drag starts directly outside the drop zone |
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230 | 238 | // do not add the placeHolder |
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231 | 239 | } |
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232 | 240 | |
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233 | 241 | drag->exec(Qt::MoveAction | Qt::CopyAction, Qt::MoveAction); |
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234 | 242 | |
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235 | 243 | helper.doCloseWidgets(); |
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236 | 244 | } |
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237 | 245 | else { |
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238 | 246 | qCWarning(LOG_VisualizationDragDropContainer()) |
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239 | 247 | << tr("VisualizationDragDropContainer::startDrag, drag aborted, the specified " |
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240 | 248 | "VisualizationDragWidget is not found in this container."); |
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241 | 249 | } |
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242 | 250 | } |
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243 | 251 | |
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244 | 252 | void VisualizationDragDropContainer::dragEnterEvent(QDragEnterEvent *event) |
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245 | 253 | { |
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246 | 254 | if (impl->acceptMimeData(event->mimeData())) { |
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247 | 255 | event->acceptProposedAction(); |
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248 | 256 | |
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249 | 257 | auto &helper = sqpApp->dragDropHelper(); |
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250 | 258 | |
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251 | 259 | if (!impl->hasPlaceHolder()) { |
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252 | 260 | auto dragWidget = helper.getCurrentDragWidget(); |
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253 | 261 | |
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254 | 262 | if (dragWidget) { |
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255 | 263 | // If the drag&drop is internal to the visualization, entering the container hide |
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256 | 264 | // the dragWidget which was made visible by the dragLeaveEvent |
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257 | 265 | auto parentWidget |
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258 | 266 | = qobject_cast<VisualizationDragDropContainer *>(dragWidget->parentWidget()); |
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259 | 267 | if (parentWidget) { |
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260 | 268 | dragWidget->setVisible(false); |
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261 | 269 | } |
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262 | 270 | } |
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263 | 271 | |
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264 | 272 | auto canMerge = impl->allowMergeForMimeData(event->mimeData()); |
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265 | 273 | auto canInsert = impl->allowInsertForMimeData(event->mimeData()); |
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266 |
impl->findPlaceHolderPosition(event->pos(), canInsert, canMerge, |
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274 | if (!impl->findPlaceHolderPosition(event->pos(), event->mimeData(), canInsert, canMerge, | |
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275 | this)) { | |
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276 | event->ignore(); | |
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277 | } | |
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267 | 278 | } |
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268 | 279 | else { |
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269 | 280 | // do nothing |
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270 | 281 | } |
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271 | 282 | } |
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272 | 283 | else { |
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273 | 284 | event->ignore(); |
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274 | 285 | } |
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275 | 286 | |
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276 | 287 | QWidget::dragEnterEvent(event); |
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277 | 288 | } |
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278 | 289 | |
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279 | 290 | void VisualizationDragDropContainer::dragLeaveEvent(QDragLeaveEvent *event) |
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280 | 291 | { |
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281 | 292 | Q_UNUSED(event); |
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282 | 293 | |
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283 | 294 | auto &helper = sqpApp->dragDropHelper(); |
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284 | 295 | |
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285 | 296 | if (!impl->cursorIsInContainer(this)) { |
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286 | 297 | helper.removePlaceHolder(); |
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287 | 298 | helper.setHightlightedDragWidget(nullptr); |
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288 | 299 | impl->m_MinContainerHeight = 0; |
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289 | 300 | |
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290 | 301 | auto dragWidget = helper.getCurrentDragWidget(); |
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291 | 302 | if (dragWidget) { |
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292 | 303 | // dragWidget has a value only if the drag is started from the visualization |
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293 | 304 | // In that case, shows the drag widget at its original place |
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294 | 305 | // So the drag widget doesn't stay hidden if the drop occurs outside the visualization |
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295 | 306 | // drop zone (It is not possible to catch a drop event outside of the application) |
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296 | 307 | |
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297 | 308 | if (dragWidget) { |
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298 | 309 | dragWidget->setVisible(true); |
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299 | 310 | } |
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300 | 311 | } |
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301 | 312 | } |
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302 | 313 | else { |
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303 | 314 | // Leave event probably received for a child widget. |
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304 | 315 | // Do nothing. |
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305 | 316 | // Note: The DragLeave event, doesn't have any mean to determine who sent it. |
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306 | 317 | } |
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307 | 318 | |
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308 | 319 | QWidget::dragLeaveEvent(event); |
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309 | 320 | } |
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310 | 321 | |
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311 | 322 | void VisualizationDragDropContainer::dragMoveEvent(QDragMoveEvent *event) |
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312 | 323 | { |
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313 | 324 | if (impl->acceptMimeData(event->mimeData())) { |
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314 | 325 | auto canMerge = impl->allowMergeForMimeData(event->mimeData()); |
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315 | 326 | auto canInsert = impl->allowInsertForMimeData(event->mimeData()); |
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316 | impl->findPlaceHolderPosition(event->pos(), canInsert, canMerge, this); | |
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327 | impl->findPlaceHolderPosition(event->pos(), event->mimeData(), canInsert, canMerge, this); | |
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317 | 328 | } |
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318 | 329 | else { |
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319 | 330 | event->ignore(); |
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320 | 331 | } |
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321 | 332 | |
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322 | 333 | QWidget::dragMoveEvent(event); |
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323 | 334 | } |
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324 | 335 | |
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325 | 336 | void VisualizationDragDropContainer::dropEvent(QDropEvent *event) |
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326 | 337 | { |
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327 | 338 | auto &helper = sqpApp->dragDropHelper(); |
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328 | 339 | |
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329 | 340 | if (impl->acceptMimeData(event->mimeData())) { |
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330 | 341 | auto dragWidget = helper.getCurrentDragWidget(); |
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331 | 342 | if (impl->hasPlaceHolder()) { |
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332 | 343 | // drop where the placeHolder is located |
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333 | 344 | |
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334 | 345 | auto canInsert = impl->allowInsertForMimeData(event->mimeData()); |
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335 | 346 | if (canInsert) { |
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336 | 347 | auto droppedIndex = impl->m_Layout->indexOf(&helper.placeHolder()); |
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337 | 348 | |
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338 | 349 | if (dragWidget) { |
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339 | 350 | auto dragWidgetIndex = impl->m_Layout->indexOf(dragWidget); |
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340 | 351 | if (dragWidgetIndex >= 0 && dragWidgetIndex < droppedIndex) { |
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341 | 352 | // Correction of the index if the drop occurs in the same container |
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342 | 353 | // and if the drag is started from the visualization (in that case, the |
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343 | 354 | // dragWidget is hidden) |
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344 | 355 | droppedIndex -= 1; |
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345 | 356 | } |
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346 | 357 | |
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347 | 358 | dragWidget->setVisible(true); |
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348 | 359 | } |
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349 | 360 | |
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350 | 361 | event->acceptProposedAction(); |
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351 | 362 | |
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352 | 363 | helper.removePlaceHolder(); |
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353 | 364 | |
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354 | 365 | emit dropOccuredInContainer(droppedIndex, event->mimeData()); |
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355 | 366 | } |
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356 | 367 | else { |
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357 | 368 | qCWarning(LOG_VisualizationDragDropContainer()) << tr( |
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358 | 369 | "VisualizationDragDropContainer::dropEvent, dropping on the placeHolder, but " |
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359 | 370 | "the insertion is forbidden."); |
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360 | 371 | Q_ASSERT(false); |
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361 | 372 | } |
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362 | 373 | } |
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363 | 374 | else if (helper.getHightlightedDragWidget()) { |
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364 | 375 | // drop on the highlighted widget |
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365 | 376 | |
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366 | 377 | auto canMerge = impl->allowMergeForMimeData(event->mimeData()); |
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367 | 378 | if (canMerge) { |
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368 | 379 | event->acceptProposedAction(); |
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369 | 380 | emit dropOccuredOnWidget(helper.getHightlightedDragWidget(), event->mimeData()); |
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370 | 381 | } |
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371 | 382 | else { |
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372 | 383 | qCWarning(LOG_VisualizationDragDropContainer()) |
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373 | 384 | << tr("VisualizationDragDropContainer::dropEvent, dropping on a widget, but " |
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374 | 385 | "the merge is forbidden."); |
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375 | 386 | Q_ASSERT(false); |
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376 | 387 | } |
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377 | 388 | } |
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378 | 389 | } |
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379 | 390 | else { |
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380 | 391 | event->ignore(); |
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381 | 392 | } |
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382 | 393 | |
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383 | 394 | sqpApp->dragDropHelper().setHightlightedDragWidget(nullptr); |
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384 | 395 | impl->m_MinContainerHeight = 0; |
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385 | 396 | |
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386 | 397 | QWidget::dropEvent(event); |
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387 | 398 | } |
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388 | 399 | |
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389 | 400 | |
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390 |
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391 | const QPoint &pos, bool canInsert, bool canMerge, | |
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401 | bool VisualizationDragDropContainer::VisualizationDragDropContainerPrivate::findPlaceHolderPosition( | |
|
402 | const QPoint &pos, const QMimeData *mimeData, bool canInsert, bool canMerge, | |
|
392 | 403 | const VisualizationDragDropContainer *container) |
|
393 | 404 | { |
|
394 | 405 | auto &helper = sqpApp->dragDropHelper(); |
|
395 | 406 | |
|
396 | 407 | auto absPos = container->mapToGlobal(pos); |
|
397 | 408 | auto isOnPlaceHolder = helper.placeHolder().isAncestorOf(sqpApp->widgetAt(absPos)); |
|
398 | 409 | |
|
399 | 410 | if (countDragWidget(container, true) == 0) { |
|
400 | 411 | // Drop on an empty container, just add the placeHolder at the top |
|
401 | 412 | helper.insertPlaceHolder(m_Layout, 0, m_PlaceHolderType, m_PlaceHolderText); |
|
402 | 413 | } |
|
403 | 414 | else if (!isOnPlaceHolder) { |
|
404 | 415 | auto nbDragWidget = countDragWidget(container); |
|
405 | 416 | if (nbDragWidget > 0) { |
|
406 | 417 | |
|
407 | 418 | if (m_MinContainerHeight == 0) { |
|
408 | 419 | m_MinContainerHeight = container->size().height(); |
|
409 | 420 | } |
|
410 | 421 | |
|
411 | 422 | m_MinContainerHeight = qMin(m_MinContainerHeight, container->size().height()); |
|
412 | 423 | auto graphHeight = qMax(m_MinContainerHeight / nbDragWidget, GRAPH_MINIMUM_HEIGHT); |
|
413 | 424 | |
|
414 | 425 | auto posY = pos.y(); |
|
415 | 426 | auto dropIndex = floor(posY / graphHeight); |
|
416 | 427 | auto zoneSize = qMin(graphHeight / 4.0, 75.0); |
|
417 | 428 | |
|
418 | 429 | |
|
419 | 430 | auto isOnTop = posY < dropIndex * graphHeight + zoneSize; |
|
420 | 431 | auto isOnBottom = posY > (dropIndex + 1) * graphHeight - zoneSize; |
|
421 | 432 | |
|
422 | 433 | auto placeHolderIndex = m_Layout->indexOf(&(helper.placeHolder())); |
|
423 | 434 | |
|
424 | 435 | auto dragWidgetHovered = getChildDragWidgetAt(container, pos); |
|
425 | 436 | |
|
426 | 437 | if (canInsert && (isOnTop || isOnBottom || !canMerge)) { |
|
427 | 438 | if (isOnBottom) { |
|
428 | 439 | dropIndex += 1; |
|
429 | 440 | } |
|
430 | 441 | |
|
431 | 442 | if (helper.getCurrentDragWidget()) { |
|
432 | 443 | auto dragWidgetIndex = m_Layout->indexOf(helper.getCurrentDragWidget()); |
|
433 | 444 | if (dragWidgetIndex >= 0 && dragWidgetIndex <= dropIndex) { |
|
434 | 445 | // Correction of the index if the drop occurs in the same container |
|
435 | 446 | // and if the drag is started from the visualization (in that case, the |
|
436 | 447 | // dragWidget is hidden) |
|
437 | 448 | dropIndex += 1; |
|
438 | 449 | } |
|
439 | 450 | } |
|
440 | 451 | |
|
441 | 452 | if (dropIndex != placeHolderIndex) { |
|
442 | 453 | helper.insertPlaceHolder(m_Layout, dropIndex, m_PlaceHolderType, |
|
443 | 454 | m_PlaceHolderText); |
|
444 | 455 | } |
|
445 | 456 | |
|
446 | 457 | helper.setHightlightedDragWidget(nullptr); |
|
447 | 458 | } |
|
448 | 459 | else if (canMerge && dragWidgetHovered) { |
|
449 | 460 | // drop on the middle -> merge |
|
450 | 461 | if (hasPlaceHolder()) { |
|
451 | 462 | helper.removePlaceHolder(); |
|
452 | 463 | } |
|
453 | 464 | |
|
454 |
|
|
|
465 | if (m_AcceptDragWidgetFun(dragWidgetHovered, mimeData)) { | |
|
466 | helper.setHightlightedDragWidget(dragWidgetHovered); | |
|
467 | return true; | |
|
468 | } | |
|
469 | else { | |
|
470 | return false; | |
|
471 | } | |
|
455 | 472 | } |
|
456 | 473 | else { |
|
457 | 474 | qCWarning(LOG_VisualizationDragDropContainer()) |
|
458 | 475 | << tr("VisualizationDragDropContainer::findPlaceHolderPosition, no valid drop " |
|
459 | 476 | "action."); |
|
460 | 477 | } |
|
461 | 478 | } |
|
462 | 479 | else { |
|
463 | 480 | qCWarning(LOG_VisualizationDragDropContainer()) |
|
464 | 481 | << tr("VisualizationDragDropContainer::findPlaceHolderPosition, no widget " |
|
465 | 482 | "found in the " |
|
466 | 483 | "container"); |
|
467 | 484 | } |
|
468 | 485 | } |
|
469 | 486 | else { |
|
470 | 487 | // the mouse is hover the placeHolder |
|
471 | 488 | // Do nothing |
|
472 | 489 | } |
|
490 | ||
|
491 | return true; | |
|
473 | 492 | } |
@@ -1,560 +1,583 | |||
|
1 | 1 | #include "Visualization/VisualizationZoneWidget.h" |
|
2 | 2 | |
|
3 | 3 | #include "Visualization/IVisualizationWidgetVisitor.h" |
|
4 | 4 | #include "Visualization/QCustomPlotSynchronizer.h" |
|
5 | 5 | #include "Visualization/VisualizationGraphWidget.h" |
|
6 | 6 | #include "Visualization/VisualizationWidget.h" |
|
7 | 7 | #include "ui_VisualizationZoneWidget.h" |
|
8 | 8 | |
|
9 | 9 | #include "Common/MimeTypesDef.h" |
|
10 | 10 | #include "Common/VisualizationDef.h" |
|
11 | 11 | |
|
12 | 12 | #include <Data/SqpRange.h> |
|
13 | 13 | #include <Time/TimeController.h> |
|
14 | 14 | #include <Variable/Variable.h> |
|
15 | 15 | #include <Variable/VariableController.h> |
|
16 | 16 | |
|
17 | 17 | #include <Visualization/operations/FindVariableOperation.h> |
|
18 | 18 | |
|
19 | 19 | #include <DragAndDrop/DragDropHelper.h> |
|
20 | 20 | #include <QUuid> |
|
21 | 21 | #include <SqpApplication.h> |
|
22 | 22 | #include <cmath> |
|
23 | 23 | |
|
24 | 24 | #include <QLayout> |
|
25 | 25 | |
|
26 | 26 | Q_LOGGING_CATEGORY(LOG_VisualizationZoneWidget, "VisualizationZoneWidget") |
|
27 | 27 | |
|
28 | 28 | namespace { |
|
29 | 29 | |
|
30 | 30 | |
|
31 | 31 | /// Generates a default name for a new graph, according to the number of graphs already displayed in |
|
32 | 32 | /// the zone |
|
33 | 33 | QString defaultGraphName(const QLayout &layout) |
|
34 | 34 | { |
|
35 | 35 | auto count = 0; |
|
36 | 36 | for (auto i = 0; i < layout.count(); ++i) { |
|
37 | 37 | if (dynamic_cast<VisualizationGraphWidget *>(layout.itemAt(i)->widget())) { |
|
38 | 38 | count++; |
|
39 | 39 | } |
|
40 | 40 | } |
|
41 | 41 | |
|
42 | 42 | return QObject::tr("Graph %1").arg(count + 1); |
|
43 | 43 | } |
|
44 | 44 | |
|
45 | 45 | /** |
|
46 | 46 | * Applies a function to all graphs of the zone represented by its layout |
|
47 | 47 | * @param layout the layout that contains graphs |
|
48 | 48 | * @param fun the function to apply to each graph |
|
49 | 49 | */ |
|
50 | 50 | template <typename Fun> |
|
51 | 51 | void processGraphs(QLayout &layout, Fun fun) |
|
52 | 52 | { |
|
53 | 53 | for (auto i = 0; i < layout.count(); ++i) { |
|
54 | 54 | if (auto item = layout.itemAt(i)) { |
|
55 | 55 | if (auto visualizationGraphWidget |
|
56 | 56 | = qobject_cast<VisualizationGraphWidget *>(item->widget())) { |
|
57 | 57 | fun(*visualizationGraphWidget); |
|
58 | 58 | } |
|
59 | 59 | } |
|
60 | 60 | } |
|
61 | 61 | } |
|
62 | 62 | |
|
63 | 63 | } // namespace |
|
64 | 64 | |
|
65 | 65 | struct VisualizationZoneWidget::VisualizationZoneWidgetPrivate { |
|
66 | 66 | |
|
67 | 67 | explicit VisualizationZoneWidgetPrivate() |
|
68 | 68 | : m_SynchronisationGroupId{QUuid::createUuid()}, |
|
69 | 69 | m_Synchronizer{std::make_unique<QCustomPlotSynchronizer>()} |
|
70 | 70 | { |
|
71 | 71 | } |
|
72 | 72 | QUuid m_SynchronisationGroupId; |
|
73 | 73 | std::unique_ptr<IGraphSynchronizer> m_Synchronizer; |
|
74 | 74 | |
|
75 | 75 | // Returns the first graph in the zone or nullptr if there is no graph inside |
|
76 | 76 | VisualizationGraphWidget *firstGraph(const VisualizationZoneWidget *zoneWidget) const |
|
77 | 77 | { |
|
78 | 78 | VisualizationGraphWidget *firstGraph = nullptr; |
|
79 | 79 | auto layout = zoneWidget->ui->dragDropContainer->layout(); |
|
80 | 80 | if (layout->count() > 0) { |
|
81 | 81 | if (auto visualizationGraphWidget |
|
82 | 82 | = qobject_cast<VisualizationGraphWidget *>(layout->itemAt(0)->widget())) { |
|
83 | 83 | firstGraph = visualizationGraphWidget; |
|
84 | 84 | } |
|
85 | 85 | } |
|
86 | 86 | |
|
87 | 87 | return firstGraph; |
|
88 | 88 | } |
|
89 | 89 | |
|
90 | 90 | void dropGraph(int index, VisualizationZoneWidget *zoneWidget); |
|
91 | 91 | void dropVariables(const QList<std::shared_ptr<Variable> > &variables, int index, |
|
92 | 92 | VisualizationZoneWidget *zoneWidget); |
|
93 | 93 | }; |
|
94 | 94 | |
|
95 | 95 | VisualizationZoneWidget::VisualizationZoneWidget(const QString &name, QWidget *parent) |
|
96 | 96 | : VisualizationDragWidget{parent}, |
|
97 | 97 | ui{new Ui::VisualizationZoneWidget}, |
|
98 | 98 | impl{spimpl::make_unique_impl<VisualizationZoneWidgetPrivate>()} |
|
99 | 99 | { |
|
100 | 100 | ui->setupUi(this); |
|
101 | 101 | |
|
102 | 102 | ui->zoneNameLabel->setText(name); |
|
103 | 103 | |
|
104 | 104 | ui->dragDropContainer->setPlaceHolderType(DragDropHelper::PlaceHolderType::Graph); |
|
105 | 105 | ui->dragDropContainer->setMimeType(MIME_TYPE_GRAPH, |
|
106 | 106 | VisualizationDragDropContainer::DropBehavior::Inserted); |
|
107 | 107 | ui->dragDropContainer->setMimeType( |
|
108 | 108 | MIME_TYPE_VARIABLE_LIST, VisualizationDragDropContainer::DropBehavior::InsertedAndMerged); |
|
109 | 109 | ui->dragDropContainer->setMimeType(MIME_TYPE_TIME_RANGE, |
|
110 | 110 | VisualizationDragDropContainer::DropBehavior::Merged); |
|
111 | 111 | ui->dragDropContainer->setMimeType(MIME_TYPE_ZONE, |
|
112 | 112 | VisualizationDragDropContainer::DropBehavior::Forbidden); |
|
113 | 113 | ui->dragDropContainer->setAcceptMimeDataFunction([this](auto mimeData) { |
|
114 | 114 | return sqpApp->dragDropHelper().checkMimeDataForVisualization(mimeData, |
|
115 | 115 | ui->dragDropContainer); |
|
116 | 116 | }); |
|
117 | 117 | |
|
118 | auto acceptDragWidgetFun = [](auto dragWidget, auto mimeData) { | |
|
119 | if (!mimeData) { | |
|
120 | return false; | |
|
121 | } | |
|
122 | ||
|
123 | if (mimeData->hasFormat(MIME_TYPE_VARIABLE_LIST)) { | |
|
124 | auto variables = sqpApp->variableController().variablesForMimeData( | |
|
125 | mimeData->data(MIME_TYPE_VARIABLE_LIST)); | |
|
126 | ||
|
127 | if (variables.count() != 1) { | |
|
128 | return false; | |
|
129 | } | |
|
130 | auto variable = variables.first(); | |
|
131 | ||
|
132 | if (auto graphWidget = dynamic_cast<const VisualizationGraphWidget *>(dragWidget)) { | |
|
133 | return graphWidget->canDrop(*variable); | |
|
134 | } | |
|
135 | } | |
|
136 | ||
|
137 | return true; | |
|
138 | }; | |
|
139 | ui->dragDropContainer->setAcceptDragWidgetFunction(acceptDragWidgetFun); | |
|
140 | ||
|
118 | 141 | connect(ui->dragDropContainer, &VisualizationDragDropContainer::dropOccuredInContainer, this, |
|
119 | 142 | &VisualizationZoneWidget::dropMimeData); |
|
120 | 143 | connect(ui->dragDropContainer, &VisualizationDragDropContainer::dropOccuredOnWidget, this, |
|
121 | 144 | &VisualizationZoneWidget::dropMimeDataOnGraph); |
|
122 | 145 | |
|
123 | 146 | // 'Close' options : widget is deleted when closed |
|
124 | 147 | setAttribute(Qt::WA_DeleteOnClose); |
|
125 | 148 | connect(ui->closeButton, &QToolButton::clicked, this, &VisualizationZoneWidget::close); |
|
126 | 149 | ui->closeButton->setIcon(sqpApp->style()->standardIcon(QStyle::SP_TitleBarCloseButton)); |
|
127 | 150 | |
|
128 | 151 | // Synchronisation id |
|
129 | 152 | QMetaObject::invokeMethod(&sqpApp->variableController(), "onAddSynchronizationGroupId", |
|
130 | 153 | Qt::QueuedConnection, Q_ARG(QUuid, impl->m_SynchronisationGroupId)); |
|
131 | 154 | } |
|
132 | 155 | |
|
133 | 156 | VisualizationZoneWidget::~VisualizationZoneWidget() |
|
134 | 157 | { |
|
135 | 158 | delete ui; |
|
136 | 159 | } |
|
137 | 160 | |
|
138 | 161 | void VisualizationZoneWidget::addGraph(VisualizationGraphWidget *graphWidget) |
|
139 | 162 | { |
|
140 | 163 | // Synchronize new graph with others in the zone |
|
141 | 164 | impl->m_Synchronizer->addGraph(*graphWidget); |
|
142 | 165 | |
|
143 | 166 | ui->dragDropContainer->addDragWidget(graphWidget); |
|
144 | 167 | } |
|
145 | 168 | |
|
146 | 169 | void VisualizationZoneWidget::insertGraph(int index, VisualizationGraphWidget *graphWidget) |
|
147 | 170 | { |
|
148 | 171 | // Synchronize new graph with others in the zone |
|
149 | 172 | impl->m_Synchronizer->addGraph(*graphWidget); |
|
150 | 173 | |
|
151 | 174 | ui->dragDropContainer->insertDragWidget(index, graphWidget); |
|
152 | 175 | } |
|
153 | 176 | |
|
154 | 177 | VisualizationGraphWidget *VisualizationZoneWidget::createGraph(std::shared_ptr<Variable> variable) |
|
155 | 178 | { |
|
156 | 179 | return createGraph(variable, -1); |
|
157 | 180 | } |
|
158 | 181 | |
|
159 | 182 | VisualizationGraphWidget *VisualizationZoneWidget::createGraph(std::shared_ptr<Variable> variable, |
|
160 | 183 | int index) |
|
161 | 184 | { |
|
162 | 185 | auto graphWidget |
|
163 | 186 | = new VisualizationGraphWidget{defaultGraphName(*ui->dragDropContainer->layout()), this}; |
|
164 | 187 | |
|
165 | 188 | |
|
166 | 189 | // Set graph properties |
|
167 | 190 | graphWidget->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::MinimumExpanding); |
|
168 | 191 | graphWidget->setMinimumHeight(GRAPH_MINIMUM_HEIGHT); |
|
169 | 192 | |
|
170 | 193 | |
|
171 | 194 | // Lambda to synchronize zone widget |
|
172 | 195 | auto synchronizeZoneWidget = [this, graphWidget](const SqpRange &graphRange, |
|
173 | 196 | const SqpRange &oldGraphRange) { |
|
174 | 197 | |
|
175 | 198 | auto zoomType = VariableController::getZoomType(graphRange, oldGraphRange); |
|
176 | 199 | auto frameLayout = ui->dragDropContainer->layout(); |
|
177 | 200 | for (auto i = 0; i < frameLayout->count(); ++i) { |
|
178 | 201 | auto graphChild |
|
179 | 202 | = dynamic_cast<VisualizationGraphWidget *>(frameLayout->itemAt(i)->widget()); |
|
180 | 203 | if (graphChild && (graphChild != graphWidget)) { |
|
181 | 204 | |
|
182 | 205 | auto graphChildRange = graphChild->graphRange(); |
|
183 | 206 | switch (zoomType) { |
|
184 | 207 | case AcquisitionZoomType::ZoomIn: { |
|
185 | 208 | auto deltaLeft = graphRange.m_TStart - oldGraphRange.m_TStart; |
|
186 | 209 | auto deltaRight = oldGraphRange.m_TEnd - graphRange.m_TEnd; |
|
187 | 210 | graphChildRange.m_TStart += deltaLeft; |
|
188 | 211 | graphChildRange.m_TEnd -= deltaRight; |
|
189 | 212 | qCDebug(LOG_VisualizationZoneWidget()) << tr("TORM: ZoomIn"); |
|
190 | 213 | qCDebug(LOG_VisualizationZoneWidget()) << tr("TORM: deltaLeft") |
|
191 | 214 | << deltaLeft; |
|
192 | 215 | qCDebug(LOG_VisualizationZoneWidget()) << tr("TORM: deltaRight") |
|
193 | 216 | << deltaRight; |
|
194 | 217 | qCDebug(LOG_VisualizationZoneWidget()) |
|
195 | 218 | << tr("TORM: dt") << graphRange.m_TEnd - graphRange.m_TStart; |
|
196 | 219 | |
|
197 | 220 | break; |
|
198 | 221 | } |
|
199 | 222 | |
|
200 | 223 | case AcquisitionZoomType::ZoomOut: { |
|
201 | 224 | qCDebug(LOG_VisualizationZoneWidget()) << tr("TORM: ZoomOut"); |
|
202 | 225 | auto deltaLeft = oldGraphRange.m_TStart - graphRange.m_TStart; |
|
203 | 226 | auto deltaRight = graphRange.m_TEnd - oldGraphRange.m_TEnd; |
|
204 | 227 | qCDebug(LOG_VisualizationZoneWidget()) << tr("TORM: deltaLeft") |
|
205 | 228 | << deltaLeft; |
|
206 | 229 | qCDebug(LOG_VisualizationZoneWidget()) << tr("TORM: deltaRight") |
|
207 | 230 | << deltaRight; |
|
208 | 231 | qCDebug(LOG_VisualizationZoneWidget()) |
|
209 | 232 | << tr("TORM: dt") << graphRange.m_TEnd - graphRange.m_TStart; |
|
210 | 233 | graphChildRange.m_TStart -= deltaLeft; |
|
211 | 234 | graphChildRange.m_TEnd += deltaRight; |
|
212 | 235 | break; |
|
213 | 236 | } |
|
214 | 237 | case AcquisitionZoomType::PanRight: { |
|
215 | 238 | qCDebug(LOG_VisualizationZoneWidget()) << tr("TORM: PanRight"); |
|
216 | 239 | auto deltaLeft = graphRange.m_TStart - oldGraphRange.m_TStart; |
|
217 | 240 | auto deltaRight = graphRange.m_TEnd - oldGraphRange.m_TEnd; |
|
218 | 241 | graphChildRange.m_TStart += deltaLeft; |
|
219 | 242 | graphChildRange.m_TEnd += deltaRight; |
|
220 | 243 | qCDebug(LOG_VisualizationZoneWidget()) |
|
221 | 244 | << tr("TORM: dt") << graphRange.m_TEnd - graphRange.m_TStart; |
|
222 | 245 | break; |
|
223 | 246 | } |
|
224 | 247 | case AcquisitionZoomType::PanLeft: { |
|
225 | 248 | qCDebug(LOG_VisualizationZoneWidget()) << tr("TORM: PanLeft"); |
|
226 | 249 | auto deltaLeft = oldGraphRange.m_TStart - graphRange.m_TStart; |
|
227 | 250 | auto deltaRight = oldGraphRange.m_TEnd - graphRange.m_TEnd; |
|
228 | 251 | graphChildRange.m_TStart -= deltaLeft; |
|
229 | 252 | graphChildRange.m_TEnd -= deltaRight; |
|
230 | 253 | break; |
|
231 | 254 | } |
|
232 | 255 | case AcquisitionZoomType::Unknown: { |
|
233 | 256 | qCDebug(LOG_VisualizationZoneWidget()) |
|
234 | 257 | << tr("Impossible to synchronize: zoom type unknown"); |
|
235 | 258 | break; |
|
236 | 259 | } |
|
237 | 260 | default: |
|
238 | 261 | qCCritical(LOG_VisualizationZoneWidget()) |
|
239 | 262 | << tr("Impossible to synchronize: zoom type not take into account"); |
|
240 | 263 | // No action |
|
241 | 264 | break; |
|
242 | 265 | } |
|
243 | 266 | graphChild->enableAcquisition(false); |
|
244 | 267 | qCDebug(LOG_VisualizationZoneWidget()) << tr("TORM: Range before: ") |
|
245 | 268 | << graphChild->graphRange(); |
|
246 | 269 | qCDebug(LOG_VisualizationZoneWidget()) << tr("TORM: Range after : ") |
|
247 | 270 | << graphChildRange; |
|
248 | 271 | qCDebug(LOG_VisualizationZoneWidget()) |
|
249 | 272 | << tr("TORM: child dt") << graphChildRange.m_TEnd - graphChildRange.m_TStart; |
|
250 | 273 | graphChild->setGraphRange(graphChildRange); |
|
251 | 274 | graphChild->enableAcquisition(true); |
|
252 | 275 | } |
|
253 | 276 | } |
|
254 | 277 | }; |
|
255 | 278 | |
|
256 | 279 | // connection for synchronization |
|
257 | 280 | connect(graphWidget, &VisualizationGraphWidget::synchronize, synchronizeZoneWidget); |
|
258 | 281 | connect(graphWidget, &VisualizationGraphWidget::variableAdded, this, |
|
259 | 282 | &VisualizationZoneWidget::onVariableAdded); |
|
260 | 283 | connect(graphWidget, &VisualizationGraphWidget::variableAboutToBeRemoved, this, |
|
261 | 284 | &VisualizationZoneWidget::onVariableAboutToBeRemoved); |
|
262 | 285 | |
|
263 | 286 | auto range = SqpRange{}; |
|
264 | 287 | if (auto firstGraph = impl->firstGraph(this)) { |
|
265 | 288 | // Case of a new graph in a existant zone |
|
266 | 289 | range = firstGraph->graphRange(); |
|
267 | 290 | } |
|
268 | 291 | else { |
|
269 | 292 | // Case of a new graph as the first of the zone |
|
270 | 293 | range = variable->range(); |
|
271 | 294 | } |
|
272 | 295 | |
|
273 | 296 | this->insertGraph(index, graphWidget); |
|
274 | 297 | |
|
275 | 298 | graphWidget->addVariable(variable, range); |
|
276 | 299 | graphWidget->setYRange(variable); |
|
277 | 300 | |
|
278 | 301 | return graphWidget; |
|
279 | 302 | } |
|
280 | 303 | |
|
281 | 304 | VisualizationGraphWidget * |
|
282 | 305 | VisualizationZoneWidget::createGraph(const QList<std::shared_ptr<Variable> > variables, int index) |
|
283 | 306 | { |
|
284 | 307 | if (variables.isEmpty()) { |
|
285 | 308 | return nullptr; |
|
286 | 309 | } |
|
287 | 310 | |
|
288 | 311 | auto graphWidget = createGraph(variables.first(), index); |
|
289 | 312 | for (auto variableIt = variables.cbegin() + 1; variableIt != variables.cend(); ++variableIt) { |
|
290 | 313 | graphWidget->addVariable(*variableIt, graphWidget->graphRange()); |
|
291 | 314 | } |
|
292 | 315 | |
|
293 | 316 | return graphWidget; |
|
294 | 317 | } |
|
295 | 318 | |
|
296 | 319 | void VisualizationZoneWidget::accept(IVisualizationWidgetVisitor *visitor) |
|
297 | 320 | { |
|
298 | 321 | if (visitor) { |
|
299 | 322 | visitor->visitEnter(this); |
|
300 | 323 | |
|
301 | 324 | // Apply visitor to graph children: widgets different from graphs are not visited (no |
|
302 | 325 | // action) |
|
303 | 326 | processGraphs( |
|
304 | 327 | *ui->dragDropContainer->layout(), |
|
305 | 328 | [visitor](VisualizationGraphWidget &graphWidget) { graphWidget.accept(visitor); }); |
|
306 | 329 | |
|
307 | 330 | visitor->visitLeave(this); |
|
308 | 331 | } |
|
309 | 332 | else { |
|
310 | 333 | qCCritical(LOG_VisualizationZoneWidget()) << tr("Can't visit widget : the visitor is null"); |
|
311 | 334 | } |
|
312 | 335 | } |
|
313 | 336 | |
|
314 | 337 | bool VisualizationZoneWidget::canDrop(const Variable &variable) const |
|
315 | 338 | { |
|
316 | 339 | // A tab can always accomodate a variable |
|
317 | 340 | Q_UNUSED(variable); |
|
318 | 341 | return true; |
|
319 | 342 | } |
|
320 | 343 | |
|
321 | 344 | bool VisualizationZoneWidget::contains(const Variable &variable) const |
|
322 | 345 | { |
|
323 | 346 | Q_UNUSED(variable); |
|
324 | 347 | return false; |
|
325 | 348 | } |
|
326 | 349 | |
|
327 | 350 | QString VisualizationZoneWidget::name() const |
|
328 | 351 | { |
|
329 | 352 | return ui->zoneNameLabel->text(); |
|
330 | 353 | } |
|
331 | 354 | |
|
332 | 355 | QMimeData *VisualizationZoneWidget::mimeData() const |
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333 | 356 | { |
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334 | 357 | auto mimeData = new QMimeData; |
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335 | 358 | mimeData->setData(MIME_TYPE_ZONE, QByteArray{}); |
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336 | 359 | |
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337 | 360 | if (auto firstGraph = impl->firstGraph(this)) { |
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338 | 361 | auto timeRangeData = TimeController::mimeDataForTimeRange(firstGraph->graphRange()); |
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339 | 362 | mimeData->setData(MIME_TYPE_TIME_RANGE, timeRangeData); |
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340 | 363 | } |
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341 | 364 | |
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342 | 365 | return mimeData; |
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343 | 366 | } |
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344 | 367 | |
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345 | 368 | bool VisualizationZoneWidget::isDragAllowed() const |
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346 | 369 | { |
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347 | 370 | return true; |
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348 | 371 | } |
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349 | 372 | |
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350 | 373 | void VisualizationZoneWidget::notifyMouseMoveInGraph(const QPointF &graphPosition, |
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351 | 374 | const QPointF &plotPosition, |
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352 | 375 | VisualizationGraphWidget *graphWidget) |
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353 | 376 | { |
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354 | 377 | processGraphs(*ui->dragDropContainer->layout(), [&graphPosition, &plotPosition, &graphWidget]( |
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355 | 378 | VisualizationGraphWidget &processedGraph) { |
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356 | 379 | |
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357 | 380 | switch (sqpApp->plotsCursorMode()) { |
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358 | 381 | case SqpApplication::PlotsCursorMode::Vertical: |
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359 | 382 | processedGraph.removeHorizontalCursor(); |
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360 | 383 | processedGraph.addVerticalCursorAtViewportPosition(graphPosition.x()); |
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361 | 384 | break; |
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362 | 385 | case SqpApplication::PlotsCursorMode::Temporal: |
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363 | 386 | processedGraph.addVerticalCursor(plotPosition.x()); |
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364 | 387 | processedGraph.removeHorizontalCursor(); |
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365 | 388 | break; |
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366 | 389 | case SqpApplication::PlotsCursorMode::Horizontal: |
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367 | 390 | processedGraph.removeVerticalCursor(); |
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368 | 391 | if (&processedGraph == graphWidget) { |
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369 | 392 | processedGraph.addHorizontalCursorAtViewportPosition(graphPosition.y()); |
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370 | 393 | } |
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371 | 394 | else { |
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372 | 395 | processedGraph.removeHorizontalCursor(); |
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373 | 396 | } |
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374 | 397 | break; |
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375 | 398 | case SqpApplication::PlotsCursorMode::Cross: |
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376 | 399 | if (&processedGraph == graphWidget) { |
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377 | 400 | processedGraph.addVerticalCursorAtViewportPosition(graphPosition.x()); |
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378 | 401 | processedGraph.addHorizontalCursorAtViewportPosition(graphPosition.y()); |
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379 | 402 | } |
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380 | 403 | else { |
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381 | 404 | processedGraph.removeHorizontalCursor(); |
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382 | 405 | processedGraph.removeVerticalCursor(); |
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383 | 406 | } |
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384 | 407 | break; |
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385 | 408 | case SqpApplication::PlotsCursorMode::NoCursor: |
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386 | 409 | processedGraph.removeHorizontalCursor(); |
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387 | 410 | processedGraph.removeVerticalCursor(); |
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388 | 411 | break; |
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389 | 412 | } |
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390 | 413 | |
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391 | 414 | |
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392 | 415 | }); |
|
393 | 416 | } |
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394 | 417 | |
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395 | 418 | void VisualizationZoneWidget::notifyMouseLeaveGraph(VisualizationGraphWidget *graphWidget) |
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396 | 419 | { |
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397 | 420 | processGraphs(*ui->dragDropContainer->layout(), [](VisualizationGraphWidget &processedGraph) { |
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398 | 421 | processedGraph.removeHorizontalCursor(); |
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399 | 422 | processedGraph.removeVerticalCursor(); |
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400 | 423 | }); |
|
401 | 424 | } |
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402 | 425 | |
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403 | 426 | void VisualizationZoneWidget::closeEvent(QCloseEvent *event) |
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404 | 427 | { |
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405 | 428 | // Closes graphs in the zone |
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406 | 429 | processGraphs(*ui->dragDropContainer->layout(), |
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407 | 430 | [](VisualizationGraphWidget &graphWidget) { graphWidget.close(); }); |
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408 | 431 | |
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409 | 432 | // Delete synchronization group from variable controller |
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410 | 433 | QMetaObject::invokeMethod(&sqpApp->variableController(), "onRemoveSynchronizationGroupId", |
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411 | 434 | Qt::QueuedConnection, Q_ARG(QUuid, impl->m_SynchronisationGroupId)); |
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412 | 435 | |
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413 | 436 | QWidget::closeEvent(event); |
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414 | 437 | } |
|
415 | 438 | |
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416 | 439 | void VisualizationZoneWidget::onVariableAdded(std::shared_ptr<Variable> variable) |
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417 | 440 | { |
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418 | 441 | QMetaObject::invokeMethod(&sqpApp->variableController(), "onAddSynchronized", |
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419 | 442 | Qt::QueuedConnection, Q_ARG(std::shared_ptr<Variable>, variable), |
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420 | 443 | Q_ARG(QUuid, impl->m_SynchronisationGroupId)); |
|
421 | 444 | } |
|
422 | 445 | |
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423 | 446 | void VisualizationZoneWidget::onVariableAboutToBeRemoved(std::shared_ptr<Variable> variable) |
|
424 | 447 | { |
|
425 | 448 | QMetaObject::invokeMethod(&sqpApp->variableController(), "desynchronize", Qt::QueuedConnection, |
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426 | 449 | Q_ARG(std::shared_ptr<Variable>, variable), |
|
427 | 450 | Q_ARG(QUuid, impl->m_SynchronisationGroupId)); |
|
428 | 451 | } |
|
429 | 452 | |
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430 | 453 | void VisualizationZoneWidget::dropMimeData(int index, const QMimeData *mimeData) |
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431 | 454 | { |
|
432 | 455 | if (mimeData->hasFormat(MIME_TYPE_GRAPH)) { |
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433 | 456 | impl->dropGraph(index, this); |
|
434 | 457 | } |
|
435 | 458 | else if (mimeData->hasFormat(MIME_TYPE_VARIABLE_LIST)) { |
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436 | 459 | auto variables = sqpApp->variableController().variablesForMimeData( |
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437 | 460 | mimeData->data(MIME_TYPE_VARIABLE_LIST)); |
|
438 | 461 | impl->dropVariables(variables, index, this); |
|
439 | 462 | } |
|
440 | 463 | else { |
|
441 | 464 | qCWarning(LOG_VisualizationZoneWidget()) |
|
442 | 465 | << tr("VisualizationZoneWidget::dropMimeData, unknown MIME data received."); |
|
443 | 466 | } |
|
444 | 467 | } |
|
445 | 468 | |
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446 | 469 | void VisualizationZoneWidget::dropMimeDataOnGraph(VisualizationDragWidget *dragWidget, |
|
447 | 470 | const QMimeData *mimeData) |
|
448 | 471 | { |
|
449 | 472 | auto graphWidget = qobject_cast<VisualizationGraphWidget *>(dragWidget); |
|
450 | 473 | if (!graphWidget) { |
|
451 | 474 | qCWarning(LOG_VisualizationZoneWidget()) |
|
452 | 475 | << tr("VisualizationZoneWidget::dropMimeDataOnGraph, dropping in an unknown widget, " |
|
453 | 476 | "drop aborted"); |
|
454 | 477 | Q_ASSERT(false); |
|
455 | 478 | return; |
|
456 | 479 | } |
|
457 | 480 | |
|
458 | 481 | if (mimeData->hasFormat(MIME_TYPE_VARIABLE_LIST)) { |
|
459 | 482 | auto variables = sqpApp->variableController().variablesForMimeData( |
|
460 | 483 | mimeData->data(MIME_TYPE_VARIABLE_LIST)); |
|
461 | 484 | for (const auto &var : variables) { |
|
462 | 485 | graphWidget->addVariable(var, graphWidget->graphRange()); |
|
463 | 486 | } |
|
464 | 487 | } |
|
465 | 488 | else if (mimeData->hasFormat(MIME_TYPE_TIME_RANGE)) { |
|
466 | 489 | auto range = TimeController::timeRangeForMimeData(mimeData->data(MIME_TYPE_TIME_RANGE)); |
|
467 | 490 | graphWidget->setGraphRange(range); |
|
468 | 491 | } |
|
469 | 492 | else { |
|
470 | 493 | qCWarning(LOG_VisualizationZoneWidget()) |
|
471 | 494 | << tr("VisualizationZoneWidget::dropMimeDataOnGraph, unknown MIME data received."); |
|
472 | 495 | } |
|
473 | 496 | } |
|
474 | 497 | |
|
475 | 498 | void VisualizationZoneWidget::VisualizationZoneWidgetPrivate::dropGraph( |
|
476 | 499 | int index, VisualizationZoneWidget *zoneWidget) |
|
477 | 500 | { |
|
478 | 501 | auto &helper = sqpApp->dragDropHelper(); |
|
479 | 502 | |
|
480 | 503 | auto graphWidget = qobject_cast<VisualizationGraphWidget *>(helper.getCurrentDragWidget()); |
|
481 | 504 | if (!graphWidget) { |
|
482 | 505 | qCWarning(LOG_VisualizationZoneWidget()) |
|
483 | 506 | << tr("VisualizationZoneWidget::dropGraph, drop aborted, the dropped graph is not " |
|
484 | 507 | "found or invalid."); |
|
485 | 508 | Q_ASSERT(false); |
|
486 | 509 | return; |
|
487 | 510 | } |
|
488 | 511 | |
|
489 | 512 | auto parentDragDropContainer |
|
490 | 513 | = qobject_cast<VisualizationDragDropContainer *>(graphWidget->parentWidget()); |
|
491 | 514 | if (!parentDragDropContainer) { |
|
492 | 515 | qCWarning(LOG_VisualizationZoneWidget()) |
|
493 | 516 | << tr("VisualizationZoneWidget::dropGraph, drop aborted, the parent container of " |
|
494 | 517 | "the dropped graph is not found."); |
|
495 | 518 | Q_ASSERT(false); |
|
496 | 519 | return; |
|
497 | 520 | } |
|
498 | 521 | |
|
499 | 522 | const auto &variables = graphWidget->variables(); |
|
500 | 523 | |
|
501 | 524 | if (parentDragDropContainer != zoneWidget->ui->dragDropContainer && !variables.isEmpty()) { |
|
502 | 525 | // The drop didn't occur in the same zone |
|
503 | 526 | |
|
504 | 527 | // Abort the requests for the variables (if any) |
|
505 | 528 | // Commented, because it's not sure if it's needed or not |
|
506 | 529 | // for (const auto& var : variables) |
|
507 | 530 | //{ |
|
508 | 531 | // sqpApp->variableController().onAbortProgressRequested(var); |
|
509 | 532 | //} |
|
510 | 533 | |
|
511 | 534 | auto previousParentZoneWidget = graphWidget->parentZoneWidget(); |
|
512 | 535 | auto nbGraph = parentDragDropContainer->countDragWidget(); |
|
513 | 536 | if (nbGraph == 1) { |
|
514 | 537 | // This is the only graph in the previous zone, close the zone |
|
515 | 538 | helper.delayedCloseWidget(previousParentZoneWidget); |
|
516 | 539 | } |
|
517 | 540 | else { |
|
518 | 541 | // Close the graph |
|
519 | 542 | helper.delayedCloseWidget(graphWidget); |
|
520 | 543 | } |
|
521 | 544 | |
|
522 | 545 | // Creates the new graph in the zone |
|
523 | 546 | zoneWidget->createGraph(variables, index); |
|
524 | 547 | } |
|
525 | 548 | else { |
|
526 | 549 | // The drop occurred in the same zone or the graph is empty |
|
527 | 550 | // Simple move of the graph, no variable operation associated |
|
528 | 551 | parentDragDropContainer->layout()->removeWidget(graphWidget); |
|
529 | 552 | |
|
530 | 553 | if (variables.isEmpty() && parentDragDropContainer != zoneWidget->ui->dragDropContainer) { |
|
531 | 554 | // The graph is empty and dropped in a different zone. |
|
532 | 555 | // Take the range of the first graph in the zone (if existing). |
|
533 | 556 | auto layout = zoneWidget->ui->dragDropContainer->layout(); |
|
534 | 557 | if (layout->count() > 0) { |
|
535 | 558 | if (auto visualizationGraphWidget |
|
536 | 559 | = qobject_cast<VisualizationGraphWidget *>(layout->itemAt(0)->widget())) { |
|
537 | 560 | graphWidget->setGraphRange(visualizationGraphWidget->graphRange()); |
|
538 | 561 | } |
|
539 | 562 | } |
|
540 | 563 | } |
|
541 | 564 | |
|
542 | 565 | zoneWidget->ui->dragDropContainer->insertDragWidget(index, graphWidget); |
|
543 | 566 | } |
|
544 | 567 | } |
|
545 | 568 | |
|
546 | 569 | void VisualizationZoneWidget::VisualizationZoneWidgetPrivate::dropVariables( |
|
547 | 570 | const QList<std::shared_ptr<Variable> > &variables, int index, |
|
548 | 571 | VisualizationZoneWidget *zoneWidget) |
|
549 | 572 | { |
|
550 | 573 | // Note: the AcceptMimeDataFunction (set on the drop container) ensure there is a single and |
|
551 | 574 | // compatible variable here |
|
552 | 575 | if (variables.count() > 1) { |
|
553 | 576 | qCWarning(LOG_VisualizationZoneWidget()) |
|
554 | 577 | << tr("VisualizationZoneWidget::dropVariables, dropping multiple variables, operation " |
|
555 | 578 | "aborted."); |
|
556 | 579 | return; |
|
557 | 580 | } |
|
558 | 581 | |
|
559 | 582 | zoneWidget->createGraph(variables, index); |
|
560 | 583 | } |
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