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#ifndef LH_TABLE_H
#define LH_TABLE_H
#include <vector>
#include <memory>
#include "css_length.h"
namespace litehtml
{
class render_item;
struct table_row
{
using vector = std::vector<table_row>;
int height;
int border_top;
int border_bottom;
std::shared_ptr<render_item> el_row;
int top;
int bottom;
css_length css_height;
int min_height;
table_row()
{
min_height = 0;
top = 0;
bottom = 0;
border_bottom = 0;
border_top = 0;
height = 0;
el_row = nullptr;
css_height.predef(0);
}
table_row(int h, const std::shared_ptr<render_item>& row);
table_row(const table_row& val)
{
min_height = val.min_height;
top = val.top;
bottom = val.bottom;
border_bottom = val.border_bottom;
border_top = val.border_top;
height = val.height;
css_height = val.css_height;
el_row = val.el_row;
}
table_row(table_row&& val) noexcept
{
min_height = val.min_height;
top = val.top;
bottom = val.bottom;
border_bottom = val.border_bottom;
border_top = val.border_top;
height = val.height;
css_height = val.css_height;
el_row = std::move(val.el_row);
}
};
struct table_column
{
using vector = std::vector<table_column>;
int min_width;
int max_width;
int width;
css_length css_width;
int border_left;
int border_right;
int left;
int right;
table_column()
{
left = 0;
right = 0;
border_left = 0;
border_right = 0;
min_width = 0;
max_width = 0;
width = 0;
css_width.predef(0);
}
table_column(int min_w, int max_w)
{
left = 0;
right = 0;
border_left = 0;
border_right = 0;
max_width = max_w;
min_width = min_w;
width = 0;
css_width.predef(0);
}
table_column(const table_column& val)
{
left = val.left;
right = val.right;
border_left = val.border_left;
border_right = val.border_right;
max_width = val.max_width;
min_width = val.min_width;
width = val.width;
css_width = val.css_width;
}
};
class table_column_accessor
{
public:
virtual int& get(table_column& col) = 0;
protected:
~table_column_accessor() = default;
};
class table_column_accessor_max_width final : public table_column_accessor
{
public:
int& get(table_column& col) override;
};
class table_column_accessor_min_width final : public table_column_accessor
{
public:
int& get(table_column& col) override;
};
class table_column_accessor_width final : public table_column_accessor
{
public:
int& get(table_column& col) override;
};
struct table_cell
{
std::shared_ptr<render_item> el;
int colspan;
int rowspan;
int min_width;
int min_height;
int max_width;
int max_height;
int width;
int height;
margins borders;
table_cell()
{
min_width = 0;
min_height = 0;
max_width = 0;
max_height = 0;
width = 0;
height = 0;
colspan = 1;
rowspan = 1;
el = nullptr;
}
table_cell(const table_cell& val)
{
el = val.el;
colspan = val.colspan;
rowspan = val.rowspan;
width = val.width;
height = val.height;
min_width = val.min_width;
min_height = val.min_height;
max_width = val.max_width;
max_height = val.max_height;
borders = val.borders;
}
table_cell(table_cell&& val) noexcept
{
el = std::move(val.el);
colspan = val.colspan;
rowspan = val.rowspan;
width = val.width;
height = val.height;
min_width = val.min_width;
min_height = val.min_height;
max_width = val.max_width;
max_height = val.max_height;
borders = val.borders;
}
};
class table_grid
{
public:
using rows = std::vector<std::vector<table_cell>>;
private:
int m_rows_count;
int m_cols_count;
rows m_cells;
table_column::vector m_columns;
table_row::vector m_rows;
std::vector<std::shared_ptr<render_item>> m_captions;
int m_top_captions_height;
int m_bottom_captions_height;
public:
table_grid() :
m_rows_count(0),
m_cols_count(0),
m_top_captions_height(0),
m_bottom_captions_height(0)
{
}
void clear();
void begin_row(const std::shared_ptr<render_item>& row);
void add_cell(const std::shared_ptr<render_item>& el);
bool is_rowspanned(int r, int c);
void finish();
table_cell* cell(int t_col, int t_row);
table_column& column(int c) { return m_columns[c]; }
table_row& row(int r) { return m_rows[r]; }
std::vector<std::shared_ptr<render_item>>& captions() { return m_captions; }
int rows_count() const { return m_rows_count; }
int cols_count() const { return m_cols_count; }
void top_captions_height(int height) { m_top_captions_height = height; }
int top_captions_height() const { return m_top_captions_height; }
void bottom_captions_height(int height) { m_bottom_captions_height = height; }
int bottom_captions_height() const { return m_bottom_captions_height; }
void distribute_max_width(int width, int start, int end);
void distribute_min_width(int width, int start, int end);
void distribute_width(int width, int start, int end);
void distribute_width(int width, int start, int end, table_column_accessor* acc);
int calc_table_width(int block_width, bool is_auto, int& min_table_width, int& max_table_width);
void calc_horizontal_positions(const margins& table_borders, border_collapse bc, int bdr_space_x);
void calc_vertical_positions(const margins& table_borders, border_collapse bc, int bdr_space_y);
void calc_rows_height(int blockHeight, int borderSpacingY);
};
}
#endif // LH_TABLE_H
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