test/html-whatpm/table-script.js

function tableToCanvas (table) {
  var canvas = document.createElement ('canvas');
  document.body.appendChild (canvas);
  var c2d = canvas.getContext ('2d');

  var param = {
    columnLeft: 20,
    columnWidth: 20,
    columnSpacing: 5,
    columnGroupTop: 10,
    columnTop: 15,
    rowTop: 20,
    rowHeight: 20,
    rowSpacing: 5,
    rowGroupLeft: 10,
    rowLeft: 15,
    cellTop: 20,
    cellLeft: 20,
    cellBottom: 20,
    cellRight: 20,
    explicitColumnGroupStrokeStyle: 'black',
    explicitColumnStrokeStyle: 'black',
    impliedColumnStrokeStyle: '#C0C0C0',
    explicitHeaderRowGroupStrokeStyle: 'black',
    explicitHeaderRowGroupFillStyle: 'rgba(220, 220, 220, 0.3)',
    explicitBodyRowGroupStrokeStyle: 'black',
    explicitBodyRowGroupFillStyle: 'rgba(0, 0, 0, 0)',
    explicitFooterRowGroupStrokeStyle: 'black',
    explicitFooterRowGroupFillStyle: 'rgba(220, 220, 220, 0.3)',
    explicitRowStrokeStyle: 'black',
    impliedRowStrokeStyle: '#C0C0C0',
    headerCellFillStyle: 'rgba(192, 192, 192, 0.5)',
    headerCellStrokeStyle: 'black',
    dataCellFillStyle: 'rgba(0, 0, 0, 0)',
    dataCellStrokeStyle: 'black',
    overlappingCellFillStyle: 'red',
    overlappingCellStrokeStyle: 'rgba(0, 0, 0, 0)'
  };

var columnNumber = table.column.length;
if (columnNumber < table.cell.length) columnNumber = table.cell.length;
var rowNumber = 0;
for (var i = 1; i < table.cell.length; i++) {
  if (table.cell[i] && rowNumber < table.cell[i].length) {
    rowNumber = table.cell[i].length;
  }
}

canvas.width = param.cellLeft
    + (param.columnWidth + param.columnSpacing) * columnNumber
    + param.cellRight;
canvas.height = param.cellTop
    + (param.rowHeight + param.rowSpacing) * rowNumber
    + param.cellBottom;
canvas.style.width = 'auto'; // NOTE: Opera9 has default style=""
canvas.style.height = 'auto';

var y = param.rowTop;
for (var i = 1; i < table.row_group.length; i++) {
  var rg = table.row_group[i];
  c2d.beginPath ();
  if (rg.type == 'thead') {
    c2d.strokeStyle = param.explicitHeaderRowGroupStrokeStyle;
    c2d.fillStyle = param.explicitHeaderRowGroupFillStyle;
  } else if (rg.type == 'tfoot') {
    c2d.strokeStyle = param.explicitFooterRowGroupStrokeStyle;
    c2d.fillStyle = param.explicitFooterRowGroupFillStyle;
  } else {
    c2d.strokeStyle = param.explicitBodyRowGroupStrokeStyle;
    c2d.fillStyle = param.explicitBodyRowGroupFillStyle;
  }
  var dy = (param.rowHeight + param.rowSpacing) * rg.height;
  c2d.moveTo (param.rowGroupLeft, y);
  c2d.lineTo (param.rowGroupLeft, y + dy - param.rowSpacing);
  c2d.stroke ();
  c2d.closePath ();
  c2d.beginPath ();
  c2d.rect (param.rowGroupLeft,
            y,
            (param.columnWidth + param.columnSpacing) * columnNumber - param.columnSpacing,
            dy - param.rowSpacing);
  c2d.fill ();
  c2d.closePath ();
  y += dy;
  i += rg.height - 1;
}

c2d.beginPath ();
c2d.strokeStyle = param.explicitColumnGroupStrokeStyle;
var x = param.columnLeft;
for (var i = 1; i < table.column_group.length; i++) {
  var cg = table.column_group[i];
  c2d.moveTo (x, param.columnGroupTop);
  x += (param.columnWidth + param.columnSpacing) * cg.width;
  c2d.lineTo (x - param.columnSpacing, param.columnGroupTop);
  i += cg.width - 1;
}
c2d.stroke ();
c2d.closePath ();

var x = param.columnLeft;
for (var i = 1; i < columnNumber; i++) {
  var c = table.column[i];
  c2d.beginPath ();
  c2d.moveTo (x, param.columnTop);
  x += param.columnWidth + param.columnSpacing;
  c2d.lineTo (x - param.columnSpacing, param.columnTop);
  if (c) {
    c2d.strokeStyle = param.explicitColumnStrokeStyle;
  } else {
    c2d.strokeStyle = param.impliedColumnStrokeStyle;
  }
  c2d.stroke ();
  c2d.closePath ();
}

var x = param.cellLeft;
for (var i = 1; i < table.cell.length; i++) {
  var y = param.cellTop;
  if (!table.cell[i]) continue;
  for (var j = 1; j < table.cell[i].length; j++) {
    var c = table.cell[i][j];
    if (c && ((c[0].x == i && c[0].y == j) || c.length > 1)) {
      c2d.beginPath ();
      var width = (param.columnWidth + param.columnSpacing) * c[0].width
          - param.columnSpacing;
      var height = (param.rowHeight + param.rowSpacing) * c[0].height
          - param.rowSpacing;
      if (c.length == 1) {
        c2d.rect (x, y, width, height);
        c2d.fillStyle = c[0].is_header
            ? param.headerCellFillStyle : param.dataCellFillStyle;
        c2d.strokeStyle = c[0].is_header
            ? param.headerCellStrokeStyle : param.dataCellStrokeStyle;
      } else {
        c2d.rect (x, y, param.columnWidth, param.rowHeight);
        c2d.fillStyle = param.overlappingCellFillStyle;
        c2d.strokeStyle = param.overlappingCellStrokeStyle;
      }
      c2d.fill ();
      c2d.stroke ();
      c2d.closePath ();
    }
    y += param.rowHeight + param.rowSpacing;
  }
  x += param.columnWidth + param.columnSpacing;
}

var y = param.rowTop;
for (var i = 1; i < rowNumber; i++) {
  c2d.beginPath ();
  c2d.moveTo (param.rowLeft, y);
  y += param.rowHeight + param.rowSpacing;
  c2d.lineTo (param.rowLeft, y - param.rowSpacing);
  //if (true) {
    c2d.strokeStyle = param.explicitRowStrokeStyle;
  //} else {
  //  c2d.strokeStyle = param.impliedRowStrokeStyle;
  //}
  c2d.stroke ();
  c2d.closePath ();
}
} // tableToCanvas

/*

Copyright 2007 Wakaba <w@suika.fam.cx>

This library is free software; you can redistribute it
and/or modify it under the same terms as Perl itself.

*/
/* $Date: $ */
1	function tableToCanvas (table) {
2	var canvas = document.createElement ('canvas');
3	document.body.appendChild (canvas);
4	var c2d = canvas.getContext ('2d');
5
6	var param = {
7	columnLeft: 20,
8	columnWidth: 20,
9	columnSpacing: 5,
10	columnGroupTop: 10,
11	columnTop: 15,
12	rowTop: 20,
13	rowHeight: 20,
14	rowSpacing: 5,
15	rowGroupLeft: 10,
16	rowLeft: 15,
17	cellTop: 20,
18	cellLeft: 20,
19	cellBottom: 20,
20	cellRight: 20,
21	explicitColumnGroupStrokeStyle: 'black',
22	explicitColumnStrokeStyle: 'black',
23	impliedColumnStrokeStyle: '#C0C0C0',
24	explicitHeaderRowGroupStrokeStyle: 'black',
25	explicitHeaderRowGroupFillStyle: 'rgba(220, 220, 220, 0.3)',
26	explicitBodyRowGroupStrokeStyle: 'black',
27	explicitBodyRowGroupFillStyle: 'rgba(0, 0, 0, 0)',
28	explicitFooterRowGroupStrokeStyle: 'black',
29	explicitFooterRowGroupFillStyle: 'rgba(220, 220, 220, 0.3)',
30	explicitRowStrokeStyle: 'black',
31	impliedRowStrokeStyle: '#C0C0C0',
32	headerCellFillStyle: 'rgba(192, 192, 192, 0.5)',
33	headerCellStrokeStyle: 'black',
34	dataCellFillStyle: 'rgba(0, 0, 0, 0)',
35	dataCellStrokeStyle: 'black',
36	overlappingCellFillStyle: 'red',
37	overlappingCellStrokeStyle: 'rgba(0, 0, 0, 0)'
38	};
39
40	var columnNumber = table.column.length;
41	if (columnNumber < table.cell.length) columnNumber = table.cell.length;
42	var rowNumber = 0;
43	for (var i = 1; i < table.cell.length; i++) {
44	if (table.cell[i] && rowNumber < table.cell[i].length) {
45	rowNumber = table.cell[i].length;
46	}
47	}
48
49	canvas.width = param.cellLeft
50	+ (param.columnWidth + param.columnSpacing) * columnNumber
51	+ param.cellRight;
52	canvas.height = param.cellTop
53	+ (param.rowHeight + param.rowSpacing) * rowNumber
54	+ param.cellBottom;
55	canvas.style.width = 'auto'; // NOTE: Opera9 has default style=""
56	canvas.style.height = 'auto';
57
58	var y = param.rowTop;
59	for (var i = 1; i < table.row_group.length; i++) {
60	var rg = table.row_group[i];
61	c2d.beginPath ();
62	if (rg.type == 'thead') {
63	c2d.strokeStyle = param.explicitHeaderRowGroupStrokeStyle;
64	c2d.fillStyle = param.explicitHeaderRowGroupFillStyle;
65	} else if (rg.type == 'tfoot') {
66	c2d.strokeStyle = param.explicitFooterRowGroupStrokeStyle;
67	c2d.fillStyle = param.explicitFooterRowGroupFillStyle;
68	} else {
69	c2d.strokeStyle = param.explicitBodyRowGroupStrokeStyle;
70	c2d.fillStyle = param.explicitBodyRowGroupFillStyle;
71	}
72	var dy = (param.rowHeight + param.rowSpacing) * rg.height;
73	c2d.moveTo (param.rowGroupLeft, y);
74	c2d.lineTo (param.rowGroupLeft, y + dy - param.rowSpacing);
75	c2d.stroke ();
76	c2d.closePath ();
77	c2d.beginPath ();
78	c2d.rect (param.rowGroupLeft,
79	y,
80	(param.columnWidth + param.columnSpacing) * columnNumber - param.columnSpacing,
81	dy - param.rowSpacing);
82	c2d.fill ();
83	c2d.closePath ();
84	y += dy;
85	i += rg.height - 1;
86	}
87
88	c2d.beginPath ();
89	c2d.strokeStyle = param.explicitColumnGroupStrokeStyle;
90	var x = param.columnLeft;
91	for (var i = 1; i < table.column_group.length; i++) {
92	var cg = table.column_group[i];
93	c2d.moveTo (x, param.columnGroupTop);
94	x += (param.columnWidth + param.columnSpacing) * cg.width;
95	c2d.lineTo (x - param.columnSpacing, param.columnGroupTop);
96	i += cg.width - 1;
97	}
98	c2d.stroke ();
99	c2d.closePath ();
100
101	var x = param.columnLeft;
102	for (var i = 1; i < columnNumber; i++) {
103	var c = table.column[i];
104	c2d.beginPath ();
105	c2d.moveTo (x, param.columnTop);
106	x += param.columnWidth + param.columnSpacing;
107	c2d.lineTo (x - param.columnSpacing, param.columnTop);
108	if (c) {
109	c2d.strokeStyle = param.explicitColumnStrokeStyle;
110	} else {
111	c2d.strokeStyle = param.impliedColumnStrokeStyle;
112	}
113	c2d.stroke ();
114	c2d.closePath ();
115	}
116
117	var x = param.cellLeft;
118	for (var i = 1; i < table.cell.length; i++) {
119	var y = param.cellTop;
120	if (!table.cell[i]) continue;
121	for (var j = 1; j < table.cell[i].length; j++) {
122	var c = table.cell[i][j];
123	if (c && ((c[0].x == i && c[0].y == j) \|\| c.length > 1)) {
124	c2d.beginPath ();
125	var width = (param.columnWidth + param.columnSpacing) * c[0].width
126	- param.columnSpacing;
127	var height = (param.rowHeight + param.rowSpacing) * c[0].height
128	- param.rowSpacing;
129	if (c.length == 1) {
130	c2d.rect (x, y, width, height);
131	c2d.fillStyle = c[0].is_header
132	? param.headerCellFillStyle : param.dataCellFillStyle;
133	c2d.strokeStyle = c[0].is_header
134	? param.headerCellStrokeStyle : param.dataCellStrokeStyle;
135	} else {
136	c2d.rect (x, y, param.columnWidth, param.rowHeight);
137	c2d.fillStyle = param.overlappingCellFillStyle;
138	c2d.strokeStyle = param.overlappingCellStrokeStyle;
139	}
140	c2d.fill ();
141	c2d.stroke ();
142	c2d.closePath ();
143	}
144	y += param.rowHeight + param.rowSpacing;
145	}
146	x += param.columnWidth + param.columnSpacing;
147	}
148
149	var y = param.rowTop;
150	for (var i = 1; i < rowNumber; i++) {
151	c2d.beginPath ();
152	c2d.moveTo (param.rowLeft, y);
153	y += param.rowHeight + param.rowSpacing;
154	c2d.lineTo (param.rowLeft, y - param.rowSpacing);
155	//if (true) {
156	c2d.strokeStyle = param.explicitRowStrokeStyle;
157	//} else {
158	// c2d.strokeStyle = param.impliedRowStrokeStyle;
159	//}
160	c2d.stroke ();
161	c2d.closePath ();
162	}
163	} // tableToCanvas
164
165	/*
166
167	Copyright 2007 Wakaba <w@suika.fam.cx>
168
169	This library is free software; you can redistribute it
170	and/or modify it under the same terms as Perl itself.
171
172	*/
173	/* $Date: $ */