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refs #560, allow to load / save from view/model

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* added load/save functions
* changed menu from multiple bool members to flag
* shortcut for save
* cleaned up filter dialog handling
This commit is contained in:
Klaus Basan
2015-12-19 03:37:13 +01:00
parent 8aa449bc13
commit 9fcc846b7a
7 changed files with 226 additions and 54 deletions
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96
src/blackgui/views/viewbase.h
View File

@@ -65,6 +65,22 @@ namespace BlackGui
Content
};
//! Menu flags
enum MenuFlag
{
MenuNone = 0, ///< no menu
MenuClear = 1 << 0, ///< allow clearing the view via menu
MenuRefresh = 1 << 1, ///< allow refreshing the view via menu
MenuBackend = 1 << 2, ///< allow to request data from backend
MenuDisplayAutomatically = 1 << 3, ///< allow to switch display automatically
MenuFilter = 1 << 4, ///< filter can be opened
MenuSave = 1 << 5, ///< save as JSON
MenuLoad = 1 << 6, ///< load from JSON
MenuLoadAndSave = MenuLoad | MenuSave,
MenuDefault = MenuClear | MenuDisplayAutomatically
};
Q_DECLARE_FLAGS(Menu, MenuFlag)
//! When (row count) to use asynchronous updates
static const int ASyncRowsCountThreshold = 50;
@@ -74,6 +90,9 @@ namespace BlackGui
//! Clear data
virtual void clear() = 0;
//! Empty?
virtual bool isEmpty() const = 0 ;
//! Allow to drag and/or drop value objects
virtual void allowDragDropValueObjects(bool allowDrag, bool allowDrop);
@@ -143,6 +162,12 @@ namespace BlackGui
//! Accept double click selection
void acceptDoubleClickSelection(bool accept) { m_acceptDoubleClickSelection = accept; }
//! Remove given menu items
void menuRemoveItems(Menu menusToRemove);
//! Add given menu items
void menuAddItems(Menu menusToRemove);
//! \copydoc QTableView::setSelectionModel();
virtual void setSelectionModel(QItemSelectionModel *model) override;
@@ -246,26 +271,25 @@ namespace BlackGui
//! Init default values
void init();
ResizeMode m_resizeMode = ResizingOnceSubset; //!< mode
RowsResizeMode m_rowResizeMode = Interactive; //!< row resize mode for row height
int m_resizeCount = 0; //!< flag / counter, how many resize activities
int m_skipResizeThreshold = 40; //!< when to skip resize (rows count)
int m_resizeAutoNthTime = 1; //!< with ResizeAuto, resize every n-th time
bool m_forceStretchLastColumnWhenResized = false; //!< a small table might (few columns) might to fail stretching, force again
bool m_withMenuItemClear = false; //!< allow clearing the view via menu
bool m_withMenuItemRefresh = false; //!< allow refreshing the view via menu
bool m_withMenuItemBackend = false; //!< allow to request data from backend
bool m_withMenuDisplayAutomatically = false; //!< allow to switch display automatically
bool m_withMenuFilter = false; //!< filter can be opened
bool m_showingLoadIndicator = false; //!< showing loading indicator
bool m_enabledLoadIndicator = true; //!< loading indicator enabled/disabled
bool m_acceptClickSelection = false; //!< clicked
bool m_acceptRowSelected = false; //!< selection changed
bool m_acceptDoubleClickSelection = false; //!< double clicked
bool m_displayAutomatically = true; //!< display directly when loaded
QWidget *m_filterWidget = nullptr; //!< filter widget if any
BlackGui::IMenuDelegate *m_menu = nullptr; //!< custom menu if any
BlackGui::CLoadIndicator *m_loadIndicator = nullptr; //!< load indicator if neeeded
//! Default file for load/save operations
QString getDefaultFilename() const;
ResizeMode m_resizeMode = ResizingOnceSubset; //!< mode
RowsResizeMode m_rowResizeMode = Interactive; //!< row resize mode for row height
int m_resizeCount = 0; //!< flag / counter, how many resize activities
int m_skipResizeThreshold = 40; //!< when to skip resize (rows count)
int m_resizeAutoNthTime = 1; //!< with ResizeAuto, resize every n-th time
bool m_forceStretchLastColumnWhenResized = false; //!< a small table might (few columns) might to fail stretching, force again
bool m_showingLoadIndicator = false; //!< showing loading indicator
bool m_enabledLoadIndicator = true; //!< loading indicator enabled/disabled
bool m_acceptClickSelection = false; //!< clicked
bool m_acceptRowSelected = false; //!< selection changed
bool m_acceptDoubleClickSelection = false; //!< double clicked
bool m_displayAutomatically = true; //!< display directly when loaded
QWidget *m_filterWidget = nullptr; //!< filter widget if any
Menu m_menus = MenuDefault; //!< Default menu settings
BlackGui::IMenuDelegate *m_menu = nullptr; //!< custom menu if any
BlackGui::CLoadIndicator *m_loadIndicator = nullptr; //!< load indicator if neeeded
protected slots:
//! Helper method with template free signature serving as callback from threaded worker
@@ -292,6 +316,15 @@ namespace BlackGui
//! Row selected
virtual void ps_rowSelected(const QModelIndex &index) = 0;
//! Load JSON
virtual BlackMisc::CStatusMessage ps_loadJson() = 0;
//! Save JSON
virtual BlackMisc::CStatusMessage ps_saveJson() const = 0;
//! Save JSON called by shortcut
virtual void ps_saveJsonShortcut();
private slots:
//! Custom menu was requested
void ps_customMenuRequested(QPoint pos);
@@ -307,7 +340,12 @@ namespace BlackGui
//! Clear the model
virtual void ps_clear() { this->clear(); }
private:
//! Set the filter widget internally
void setFilterWidgetImpl(QWidget *filterWidget);
};
Q_DECLARE_OPERATORS_FOR_FLAGS(BlackGui::Views::CViewBaseNonTemplate::Menu)
//! Base class for views
template <class ModelClass, class ContainerType, class ObjectType> class CViewBase : public CViewBaseNonTemplate
@@ -361,8 +399,14 @@ namespace BlackGui
//! Column count
int columnCount() const;
//! Any data?
bool isEmpty() const;
//! \copydoc CViewBaseNonTemplate::isEmpty
virtual bool isEmpty() const override;
//! Convert to JSON
QJsonObject toJson() const;
//! Convert to JSON string
QString toJsonString(QJsonDocument::JsonFormat format = QJsonDocument::Indented) const;
//! Set own name and the model's name
virtual void setObjectName(const QString &name);
@@ -420,6 +464,14 @@ namespace BlackGui
//! \copydoc BlackGui::Views::CViewBaseNonTemplate::ps_rowSelected
//! \remarks Actually a slot, but not defined as such as the template does not support Q_OBJECT
virtual void ps_rowSelected(const QModelIndex &index) override;
//! \copydoc BlackGui::Views::CViewBaseNonTemplate::ps_loadJson
//! \remarks Actually a slot, but not defined as such as the template does not support Q_OBJECT
virtual BlackMisc::CStatusMessage ps_loadJson() override;
//! \copydoc BlackGui::Views::CViewBaseNonTemplate::ps_saveJson
//! \remarks Actually a slot, but not defined as such as the template does not support Q_OBJECT
virtual BlackMisc::CStatusMessage ps_saveJson() const override;
};
} // namespace
} // namespace