/*
* This file is part of lanterna (http://code.google.com/p/lanterna/).
*
* lanterna is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Copyright (C) 2010-2017 Martin Berglund
*/
package com.googlecode.lanterna.gui2.table;
import com.googlecode.lanterna.TerminalSize;
import com.googlecode.lanterna.gui2.TextGUIGraphics;
/**
* The main interface to implement when you need to customize the way table cells are drawn
*
* @param <V> Type of data in the table cells
* @author Martin
*/
public interface TableCellRenderer<V> {
/**
* Called by the table when it wants to know how big a particular table cell should be
* @param table Table containing the cell
* @param cell Data stored in the cell
* @param columnIndex Column index of the cell
* @param rowIndex Row index of the cell
* @return Size this renderer would like the cell to have
*/
TerminalSize getPreferredSize(Table<V> table, V cell, int columnIndex, int rowIndex);
/**
* Called by the table when it's time to draw a cell, you can see how much size is available by checking the size of
* the {@code textGUIGraphics}. The top-left position of the graphics object is the top-left position of this cell.
* @param table Table containing the cell
* @param cell Data stored in the cell
* @param columnIndex Column index of the cell
* @param rowIndex Row index of the cell
* @param textGUIGraphics Graphics object to draw with
*/
void drawCell(Table<V> table, V cell, int columnIndex, int rowIndex, TextGUIGraphics textGUIGraphics);
}