| 1 | package com.googlecode.lanterna.gui2.table; |
| 2 | |
| 3 | import com.googlecode.lanterna.TerminalTextUtils; |
| 4 | import com.googlecode.lanterna.TerminalSize; |
| 5 | import com.googlecode.lanterna.graphics.ThemeDefinition; |
| 6 | import com.googlecode.lanterna.gui2.TextGUIGraphics; |
| 7 | |
| 8 | /** |
| 9 | * Default implementation of {@code TableCellRenderer} |
| 10 | * @param <V> Type of data stored in each table cell |
| 11 | * @author Martin |
| 12 | */ |
| 13 | public class DefaultTableCellRenderer<V> implements TableCellRenderer<V> { |
| 14 | @Override |
| 15 | public TerminalSize getPreferredSize(Table<V> table, V cell, int columnIndex, int rowIndex) { |
| 16 | String[] lines = getContent(cell); |
| 17 | int maxWidth = 0; |
| 18 | for(String line: lines) { |
| 19 | int length = TerminalTextUtils.getColumnWidth(line); |
| 20 | if(maxWidth < length) { |
| 21 | maxWidth = length; |
| 22 | } |
| 23 | } |
| 24 | return new TerminalSize(maxWidth, lines.length); |
| 25 | } |
| 26 | |
| 27 | @Override |
| 28 | public void drawCell(Table<V> table, V cell, int columnIndex, int rowIndex, TextGUIGraphics textGUIGraphics) { |
| 29 | ThemeDefinition themeDefinition = textGUIGraphics.getThemeDefinition(Table.class); |
| 30 | if((table.getSelectedColumn() == columnIndex && table.getSelectedRow() == rowIndex) || |
| 31 | (table.getSelectedRow() == rowIndex && !table.isCellSelection())) { |
| 32 | if(table.isFocused()) { |
| 33 | textGUIGraphics.applyThemeStyle(themeDefinition.getActive()); |
| 34 | } |
| 35 | else { |
| 36 | textGUIGraphics.applyThemeStyle(themeDefinition.getSelected()); |
| 37 | } |
| 38 | textGUIGraphics.fill(' '); //Make sure to fill the whole cell first |
| 39 | } |
| 40 | else { |
| 41 | textGUIGraphics.applyThemeStyle(themeDefinition.getNormal()); |
| 42 | } |
| 43 | String[] lines = getContent(cell); |
| 44 | int rowCount = 0; |
| 45 | for(String line: lines) { |
| 46 | textGUIGraphics.putString(0, rowCount++, line); |
| 47 | } |
| 48 | } |
| 49 | |
| 50 | private String[] getContent(V cell) { |
| 51 | String[] lines; |
| 52 | if(cell == null) { |
| 53 | lines = new String[] { "" }; |
| 54 | } |
| 55 | else { |
| 56 | lines = cell.toString().split("\r?\n"); |
| 57 | } |
| 58 | return lines; |
| 59 | } |
| 60 | } |