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a3b510ab NR |
1 | package com.googlecode.lanterna.gui2.table; |
2 | ||
3 | import com.googlecode.lanterna.TerminalSize; | |
4 | import com.googlecode.lanterna.gui2.TextGUIGraphics; | |
5 | ||
6 | /** | |
7 | * This interface can be implemented if you want to customize how table headers are drawn. | |
8 | * @param <V> Type of data stored in each table cell | |
9 | * @author Martin | |
10 | */ | |
11 | public interface TableHeaderRenderer<V> { | |
12 | /** | |
13 | * Called by the table when it wants to know how big a particular table header should be | |
14 | * @param table Table containing the header | |
15 | * @param label Label for this header | |
16 | * @param columnIndex Column index of the header | |
17 | * @return Size this renderer would like the header to have | |
18 | */ | |
19 | TerminalSize getPreferredSize(Table<V> table, String label, int columnIndex); | |
20 | ||
21 | /** | |
22 | * Called by the table when it's time to draw a header, you can see how much size is available by checking the size | |
23 | * of the {@code textGUIGraphics}. The top-left position of the graphics object is the top-left position of this | |
24 | * header. | |
25 | * @param table Table containing the header | |
26 | * @param label Label for this header | |
27 | * @param index Column index of the header | |
28 | * @param textGUIGraphics Graphics object to header with | |
29 | */ | |
30 | void drawHeader(Table<V> table, String label, int index, TextGUIGraphics textGUIGraphics); | |
31 | } |