src/javajs/swing/Grid.java

   1 package javajs.swing;
   2
   3 import javajs.util.AU;
   4 import javajs.util.SB;
   5
   6
   7 public class Grid {
   8
   9         private int nrows;
  10         private int ncols;
  11
  12         private Cell[][] grid;
  13         private String renderer;
  14
  15
  16         Grid(int rows, int cols) {
  17                 grid = new Cell[0][0];
  18         }
  19
  20         public void add(JComponent btn, GridBagConstraints c) {
  21                 if (c.gridx >= ncols) {
  22                         ncols = c.gridx + 1;
  23                         for (int i = 0; i < nrows; i++) {
  24                                 grid[i] = (Cell[]) AU.ensureLength(grid[i], ncols * 2);
  25                         }
  26                 }
  27                 if (c.gridy >= nrows) {
  28                         Cell[][] g = new Cell[c.gridy * 2 + 1][];
  29                         for (int i = 0; i < nrows; i++)
  30                                 g[i] = grid[i];
  31                         for (int i = g.length; --i >= nrows;)
  32                                 g[i] = new Cell[ncols * 2 + 1];
  33                         grid = g;
  34                         nrows = c.gridy + 1;
  35                 }
  36                 grid[c.gridy][c.gridx] = new Cell(btn, c);
  37         }
  38
  39         public String toHTML(String id) {
  40                 SB sb = new SB();
  41                 id += "_grid";
  42                 sb.append("\n<table id='" + id + "' class='Grid' style='width:100%;height:100%'><tr><td style='height:20%;width:20%'></td></tr>");
  43                 for (int i = 0; i < nrows; i++) {
  44                         String rowid = id + "_" + i;
  45                         sb.append("\n<tr id='" + rowid + "'><td></td>");
  46                         for (int j = 0; j < ncols; j++)
  47                                 if (grid[i][j] != null)
  48                                         sb.append(grid[i][j].toHTML(rowid + "_" + j));
  49                         sb.append("</tr>");
  50                 }
  51                 sb.append("\n<tr><td style='height:20%;width:20%'></td></tr></table>\n");
  52                 return sb.toString();
  53         }
  54 }