1 files changed, 370 insertions, 0 deletions
diff --git a/lib/custom_grid.h b/lib/custom_grid.h
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+++ b/lib/custom_grid.h
@@ -0,0 +1,370 @@
+// **************************************************************************
+// * This file is part of the FreeFileSync project. It is distributed under *
+// * GNU General Public License: http://www.gnu.org/licenses/gpl.html       *
+// * Copyright (C) 2008-2011 ZenJu (zhnmju123 AT gmx.de)                    *
+// **************************************************************************
+
+#ifndef CUSTOMGRID_H_INCLUDED
+#define CUSTOMGRID_H_INCLUDED
+
+#include <vector>
+#include <wx/grid.h>
+#include <wx+/tooltip.h>
+#include "process_xml.h"
+#include <memory>
+#include <set>
+#include "../file_hierarchy.h"
+#include "icon_buffer.h"
+
+
+class CustomGridTable;
+class CustomGridTableRim;
+class CustomGridTableLeft;
+class CustomGridTableRight;
+class CustomGridTableMiddle;
+class GridCellRendererMiddle;
+class wxTimer;
+class CustomGridRim;
+class CustomGridLeft;
+class CustomGridMiddle;
+class CustomGridRight;
+
+
+namespace zen
+{
+class GridView;
+
+const wxBitmap& getSyncOpImage(SyncOperation syncOp);
+}
+//##################################################################################
+
+/*
+class hierarchy:
+                        CustomGrid
+                            /|\
+                 ____________|____________
+                |                        |
+          CustomGridRim                  |
+               /|\                       |
+        ________|_______                 |
+       |                |                |
+CustomGridLeft  CustomGridRight  CustomGridMiddle
+*/
+
+class CustomGrid : public wxGrid
+{
+public:
+    CustomGrid(wxWindow* parent,
+               wxWindowID id,
+               const wxPoint& pos   = wxDefaultPosition,
+               const wxSize& size   = wxDefaultSize,
+               long style           = wxWANTS_CHARS,
+               const wxString& name = wxGridNameStr);
+
+    virtual ~CustomGrid() {}
+
+    virtual void initSettings(CustomGridLeft*   gridLeft,  //create connection with zen::GridView
+                              CustomGridMiddle* gridMiddle,
+                              CustomGridRight*  gridRight,
+                              const zen::GridView* gridDataView);
+
+    void release(); //release connection to zen::GridView
+
+    std::set<size_t> getAllSelectedRows() const;
+
+    //set sort direction indicator on UI
+    typedef int SortColumn;
+
+    //notify wxGrid that underlying table size has changed
+    virtual void updateGridSizes();
+
+    enum SortDirection
+    {
+        ASCENDING,
+        DESCENDING
+    };
+    typedef std::pair<SortColumn, SortDirection> SortMarker;
+    void setSortMarker(SortMarker marker);
+
+    bool isLeadGrid() const;
+
+    void setIconManager(const std::shared_ptr<zen::IconBuffer>& iconBuffer);
+
+protected:
+    void RefreshCell(int row, int col);
+    virtual void DrawColLabel(wxDC& dc, int col);
+    std::pair<int, int> mousePosToCell(wxPoint pos); //returns (row/column) pair
+
+    virtual CustomGridTable* getGridDataTable() const = 0;
+
+private:
+    void onGridAccess(wxEvent& event);
+
+    //this method is called when grid view changes: useful for parallel updating of multiple grids
+    void OnPaintGrid(wxEvent& event);
+
+    virtual void alignOtherGrids(CustomGrid* gridLeft, CustomGrid* gridMiddle, CustomGrid* gridRight) = 0;
+
+    void adjustGridHeights(wxEvent& event);
+    virtual void enableFileIcons(const std::shared_ptr<zen::IconBuffer>& iconBuffer) = 0;
+
+    CustomGrid* m_gridLeft;
+    CustomGrid* m_gridMiddle;
+    CustomGrid* m_gridRight;
+
+    bool isLeading; //identify grid that has user focus
+
+    SortMarker m_marker;
+};
+
+
+class GridCellRenderer;
+
+
+//-----------------------------------------------------------
+class IconUpdater : private wxEvtHandler //update file icons periodically: use SINGLE instance to coordinate left and right grid at once
+{
+public:
+    IconUpdater(CustomGridLeft* leftGrid, CustomGridRight* rightGrid);
+    ~IconUpdater();
+
+private:
+    void loadIconsAsynchronously(wxEvent& event); //loads all (not yet) drawn icons
+
+    CustomGridRim* m_leftGrid;
+    CustomGridRim* m_rightGrid;
+
+    std::unique_ptr<wxTimer> m_timer; //user timer event to periodically update icons: better than idle event because also active when scrolling! :)
+};
+
+
+//############## SPECIALIZATIONS ###################
+class CustomGridRim : public CustomGrid
+{
+    friend class IconUpdater;
+    friend class GridCellRenderer;
+
+public:
+    CustomGridRim(wxWindow* parent,
+                  wxWindowID id,
+                  const wxPoint& pos,
+                  const wxSize& size,
+                  long style,
+                  const wxString& name);
+
+    //set visibility, position and width of columns
+    static xmlAccess::ColumnAttributes getDefaultColumnAttributes();
+    xmlAccess::ColumnAttributes getColumnAttributes();
+    void setColumnAttributes(const xmlAccess::ColumnAttributes& attr);
+
+    xmlAccess::ColumnTypes getTypeAtPos(size_t pos) const;
+    static wxString getTypeName(xmlAccess::ColumnTypes colType);
+
+    void autoSizeColumns();        //performance optimized column resizer
+
+    virtual void updateGridSizes();
+
+protected:
+    template <zen::SelectedSide side>
+    void setTooltip(const wxMouseEvent& event);
+
+    void setOtherGrid(CustomGridRim* other); //call during initialization!
+
+private:
+    CustomGridTableRim* getGridDataTableRim() const;
+    virtual void enableFileIcons(const std::shared_ptr<zen::IconBuffer>& iconBuffer);
+
+    void OnResizeColumn(wxGridSizeEvent& event);
+
+    //this method is called when grid view changes: useful for parallel updating of multiple grids
+    virtual void alignOtherGrids(CustomGrid* gridLeft, CustomGrid* gridMiddle, CustomGrid* gridRight);
+
+    //asynchronous icon loading
+    void getIconsToBeLoaded(std::vector<Zstring>& newLoad); //loads all (not yet) drawn icons
+
+    typedef size_t RowBegin;
+    typedef size_t RowEnd;
+    std::pair<RowBegin, RowEnd> getVisibleRows(); //return [first, last) number pair
+
+    typedef size_t RowNumber;
+    typedef std::set<RowNumber> FailedIconLoad;
+    FailedIconLoad failedLoads; //save status of last icon load when drawing on GUI
+
+    std::shared_ptr<zen::IconBuffer> iconBuffer_;
+
+    xmlAccess::ColumnAttributes columnSettings; //set visibility, position and width of columns
+    CustomGridRim* otherGrid; //sibling grid on other side
+};
+
+
+class CustomGridLeft : public CustomGridRim
+{
+public:
+    CustomGridLeft(wxWindow* parent,
+                   wxWindowID id,
+                   const wxPoint& pos   = wxDefaultPosition,
+                   const wxSize& size   = wxDefaultSize,
+                   long style           = wxWANTS_CHARS,
+                   const wxString& name = wxGridNameStr);
+
+    virtual bool CreateGrid(int numRows, int numCols, wxGrid::wxGridSelectionModes selmode = wxGrid::wxGridSelectCells);
+
+    virtual void initSettings(CustomGridLeft*   gridLeft,  //create connection with zen::GridView
+                              CustomGridMiddle* gridMiddle,
+                              CustomGridRight*  gridRight,
+                              const zen::GridView* gridDataView);
+
+private:
+    void OnMouseMovement(wxMouseEvent& event);
+    virtual CustomGridTable* getGridDataTable() const;
+};
+
+
+class CustomGridRight : public CustomGridRim
+{
+public:
+    CustomGridRight(wxWindow* parent,
+                    wxWindowID id,
+                    const wxPoint& pos   = wxDefaultPosition,
+                    const wxSize& size   = wxDefaultSize,
+                    long style           = wxWANTS_CHARS,
+                    const wxString& name = wxGridNameStr);
+
+    virtual bool CreateGrid(int numRows, int numCols, wxGrid::wxGridSelectionModes selmode = wxGrid::wxGridSelectCells);
+
+    virtual void initSettings(CustomGridLeft*   gridLeft,  //create connection with zen::GridView
+                              CustomGridMiddle* gridMiddle,
+                              CustomGridRight*  gridRight,
+                              const zen::GridView* gridDataView);
+
+private:
+    void OnMouseMovement(wxMouseEvent& event);
+    virtual CustomGridTable* getGridDataTable() const;
+};
+
+
+class CustomGridMiddle : public CustomGrid
+{
+    friend class GridCellRendererMiddle;
+
+public:
+    CustomGridMiddle(wxWindow* parent,
+                     wxWindowID id,
+                     const wxPoint& pos   = wxDefaultPosition,
+                     const wxSize& size   = wxDefaultSize,
+                     long style           = wxWANTS_CHARS,
+                     const wxString& name = wxGridNameStr);
+
+    ~CustomGridMiddle();
+
+    virtual bool CreateGrid(int numRows, int numCols, wxGrid::wxGridSelectionModes selmode = wxGrid::wxGridSelectCells);
+
+    virtual void initSettings(CustomGridLeft*   gridLeft,  //create connection with zen::GridView
+                              CustomGridMiddle* gridMiddle,
+                              CustomGridRight*  gridRight,
+                              const zen::GridView* gridDataView);
+
+    void enableSyncPreview(bool value);
+
+private:
+    virtual CustomGridTable* getGridDataTable() const;
+    CustomGridTableMiddle* getGridDataTableMiddle() const;
+
+    virtual void enableFileIcons(const std::shared_ptr<zen::IconBuffer>& iconBuffer) {};
+#ifdef FFS_WIN //get rid of scrollbars; Windows: overwrite virtual method
+    virtual void SetScrollbar(int orientation, int position, int thumbSize, int range, bool refresh = true);
+#endif
+
+    //this method is called when grid view changes: useful for parallel updating of multiple grids
+    virtual void alignOtherGrids(CustomGrid* gridLeft, CustomGrid* gridMiddle, CustomGrid* gridRight);
+
+    virtual void DrawColLabel(wxDC& dc, int col);
+
+    void OnMouseMovement(wxMouseEvent& event);
+    void OnLeaveWindow(wxMouseEvent& event);
+    void OnLeftMouseDown(wxMouseEvent& event);
+    void OnLeftMouseUp(wxMouseEvent& event);
+
+    void showToolTip(int rowNumber, wxPoint pos);
+
+    //small helper methods
+    enum BlockPosition //each cell can be divided into four blocks concerning mouse selections
+    {
+        BLOCKPOS_CHECK_BOX,
+        BLOCKPOS_LEFT,
+        BLOCKPOS_MIDDLE,
+        BLOCKPOS_RIGHT
+    };
+    int mousePosToRow(const wxPoint pos, BlockPosition* block = NULL);
+
+    //variables for selecting sync direction
+    int selectionRowBegin;
+    BlockPosition selectionPos;
+
+    //variables for highlightning on mouse-over
+    int highlightedRow;
+    BlockPosition highlightedPos;
+
+    zen::Tooltip toolTip;
+};
+
+//custom events for middle grid:
+
+//--------------------------------------------------------------------------------------------
+//(UN-)CHECKING ROWS FROM SYNCHRONIZATION
+
+extern const wxEventType FFS_CHECK_ROWS_EVENT; //define new event type
+
+class FFSCheckRowsEvent : public wxCommandEvent
+{
+public:
+    FFSCheckRowsEvent(const int from, const int to) :
+        wxCommandEvent(FFS_CHECK_ROWS_EVENT),
+        rowFrom(from),
+        rowTo(to) {}
+
+    virtual wxEvent* Clone() const
+    {
+        return new FFSCheckRowsEvent(rowFrom, rowTo);
+    }
+
+    const int rowFrom;
+    const int rowTo;
+};
+
+typedef void (wxEvtHandler::*FFSCheckRowsEventFunction)(FFSCheckRowsEvent&);
+
+#define FFSCheckRowsEventHandler(func) \
+    (wxObjectEventFunction)(wxEventFunction)wxStaticCastEvent(FFSCheckRowsEventFunction, &func)
+
+//--------------------------------------------------------------------------------------------
+//SELECTING SYNC DIRECTION
+
+extern const wxEventType FFS_SYNC_DIRECTION_EVENT; //define new event type
+
+class FFSSyncDirectionEvent : public wxCommandEvent
+{
+public:
+    FFSSyncDirectionEvent(const int from, const int to, const zen::SyncDirection dir) :
+        wxCommandEvent(FFS_SYNC_DIRECTION_EVENT),
+        rowFrom(from),
+        rowTo(to),
+        direction(dir) {}
+
+    virtual wxEvent* Clone() const
+    {
+        return new FFSSyncDirectionEvent(rowFrom, rowTo, direction);
+    }
+
+    const int rowFrom;
+    const int rowTo;
+    const zen::SyncDirection direction;
+};
+
+typedef void (wxEvtHandler::*FFSSyncDirectionEventFunction)(FFSSyncDirectionEvent&);
+
+#define FFSSyncDirectionEventHandler(func) \
+    (wxObjectEventFunction)(wxEventFunction)wxStaticCastEvent(FFSSyncDirectionEventFunction, &func)
+
+
+#endif // CUSTOMGRID_H_INCLUDED