DataGrid.h

/*

Copyright (c) 2018, Johnathan Corkery. (jcorkery@umich.edu)
All rights reserved.

This file is part of the Dynacoe project (https://github.com/jcorks/Dynacoe)
Dynacoe was released under the MIT License, as detailed below.



Permission is hereby granted, free of charge, to any person obtaining a copy 
of this software and associated documentation files (the "Software"), to deal 
in the Software without restriction, including without limitation the rights 
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 
copies of the Software, and to permit persons to whom the Software is furnished 
to do so, subject to the following conditions:

The above copyright notice and this permission notice shall
be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 
DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 
DEALINGS IN THE SOFTWARE.

*/

#ifndef DC_DATA_GRID_INCLUDED
#define DC_DATA_GRID_INCLUDED

#include <Dynacoe/Entity.h>
#include <Dynacoe/Components/Text2D.h>
#include <Dynacoe/Components/Shape2D.h>
#include <Dynacoe/Components/GUI.h>
#include <Dynacoe/Color.h>

namespace Dynacoe {
    
class DataGrid : public Entity {
  public:
    
    Color backgroundEvenColor;
    
    Color backgroundOddColor;
    
    Color titleColor;
    
    
    DataGrid();
    ~DataGrid(){}
    
    void AddColumn(const std::string & title, int width, const Color & color = Color("#EFEFEF"));

    void SetColumnWidth(uint32_t column, uint32_t width);
    
    Component::EventHandler clickCallback;

    //
    void AddRow();
    
    void RemoveRow(uint32_t);
    
    void SetRowsVisible(uint32_t);
        
        
    uint32_t GetRowCount();

    void Clear();

    std::string & Get(uint32_t x, uint32_t y);

    std::string & GetTooltip(uint32_t y);

    void SetViewPosition(uint32_t i);

    uint32_t GetViewPosition();

    uint32_t GetMaxViewPosition();

    uint32_t GetRowsVisible();

    uint32_t Width();
    
    uint32_t RowHeight();
    
  private:
    
    struct Column {
        std::string title;
        int x;
        int width;
        Color color;
        std::vector<std::string> rows;
    };
    
    uint32_t spanWidth;
    
    std::vector<Column> columns;
    std::vector<Shape2D *> visibleRows;
    std::vector<GUI *> visibleGUI;
    std::vector<std::vector<Text2D  *>> visibleText;
    std::vector<std::string> tooltipText;
    Color real_backgroundEvenColor;
    Color real_backgroundOddColor;
    Color real_titleColor;
    Color real_defaultTextColor;
    
    GUI * wheelZone;
    Shape2D * scroll;
    GUI * scrollGrab;
    
    uint32_t rowCount;
    uint32_t viewIndex;
    
    const int lineHeight = 12;
    Text2D error;


    void OnStep();
    void AddNeededView();
    void RefreshView();
    
    float scrollAlpha;
    bool isDragging;
    
    std::map<GUI *, uint32_t> rowmap;
    static DynacoeEvent(master_click);
    static DynacoeEvent(hover_enter);
    static DynacoeEvent(hover_leave);
    static DynacoeEvent(begin_scroll_drag);
};
}

#endif