ContainerGrid.h

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#ifndef CONTAINERGRID_H_
#define CONTAINERGRID_H_
 
#include "Container.h"
 
#define DEFAULT_MAX_CONTAINERGRID_ROWS      10      
#define DEFAULT_MAX_CONTAINERGRID_COLUMNS   10      

typedef enum GridCellAlignment
{
    GRID_CELL_ALIGNMENT_TOP_LEFT,           
    GRID_CELL_ALIGNMENT_LEFT,               
    GRID_CELL_ALIGNMENT_BOTTOM_LEFT,     
    GRID_CELL_ALIGNMENT_TOP,             
    GRID_CELL_ALIGNMENT_MIDDLE,               
    GRID_CELL_ALIGNMENT_BOTTOM,               
    GRID_CELL_ALIGNMENT_TOP_RIGHT,         
    GRID_CELL_ALIGNMENT_RIGHT,             
    GRID_CELL_ALIGNMENT_BOTTOM_RIGHT,       
}GridCellAlignment_t;

struct GridItemConfig
{
    UIElement* item;                       
    uint8_t columnIndex;                 
    uint8_t rowIndex;                       
    GridCellAlignment_t cellAlignment;      
    uint8_t columnSpan;                       
    uint8_t rowSpan;                     
};

class ContainerGrid : public Container
{
    private:
        uint8_t _maxGridRows;                           
        uint8_t _maxGridColumns;                     
        bool _showGridCells;                          
        bool _autoSizingFillLast;                        
        uint16_t* _initialRowHeights;                 
        uint16_t* _initialColumnWidths;                 
        uint16_t* _rowHeights;                           
        uint16_t* _columnWidths;                       
        GridItemConfig* _itemConfiguration;             
 
    public:

        ContainerGrid(uint8_t maxNumItems = DEFAULT_MAX_CONTAINER_ITEMS, uint8_t maxGridRows = DEFAULT_MAX_CONTAINERGRID_ROWS, uint8_t maxGridColumns = DEFAULT_MAX_CONTAINERGRID_COLUMNS, bool showGridCells = false, bool autoSizingFillLast = true, uint16_t locX = 0, uint16_t locY = 0, uint16_t width = 0, uint16_t height = 0);

        ~ContainerGrid()
        {
            delete _initialRowHeights;
            delete _initialColumnWidths;
            delete _rowHeights;
            delete _columnWidths;
            delete _itemConfiguration;
            _initialRowHeights = NULL;
            _initialColumnWidths = NULL;
            _rowHeights = NULL;
            _columnWidths = NULL;
            _itemConfiguration = NULL;
        }

        virtual void Draw(bool redraw) override;

        virtual bool KeyInput(Keys_t key) override;
        
        virtual bool TouchInput(uint16_t x, uint16_t y, TouchTypes touchType) override;

        void InitItems();

        bool SetRowHeight(uint8_t rowIndex, uint16_t rowHeight);

        bool SetColumnWidth(uint8_t columnIndex, uint16_t columnWidth);

        bool AddItem(UIElement* item, uint8_t columnIndex, uint8_t rowIndex, GridCellAlignment_t cellAlignment = GRID_CELL_ALIGNMENT_MIDDLE, uint8_t columnSpan = 1, uint8_t rowSpan = 1);

        virtual void RecalculateDimensions() override;

        virtual void RecalculateLayout() override;
};
 
#endif /* CONTAINERGRID_H_ */