test/html-whatpm/table-script.js

function tableToCanvas (table, parent, idPrefix) {
  var canvas = document.createElement ('canvas');
  parent.appendChild (canvas);
  if (window.G_vmlCanvasManager) {
    canvas = G_vmlCanvasManager.initElement (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,
    rowGroupFillLeft: 20, /* Must be same as columnLeft */
    rowLeft: 15,
    cellTop: 20,
    cellLeft: 20, /* Must be same as columnLeft */
    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 = 0; i < table.cell.length; i++) {
  if (table.cell[i] && rowNumber < table.cell[i].length) {
    rowNumber = table.cell[i].length;
  }
}

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

var y = param.rowTop;
for (var i = 0; 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.rowGroupFillLeft,
            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 = 0; 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 = 0; 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 map = document.createElement ('map');
var x = param.cellLeft;
for (var i = 0; i < table.cell.length; i++) {
  var y = param.cellTop;
  if (!table.cell[i]) continue;
  for (var j = 0; 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;
        if (c[0].id) {
          var area = document.createElement ('area');
          area.shape = 'rect';
          area.coords = [x, y, x + width, y + height].join (',');
          area.alt = 'Cell (' + c[0].x + ', ' + c[0].y + ')';
          area.href = '#' + idPrefix + 'node-' + c[0].id;
          area.id = idPrefix + 'cell-' + c[0].id;
          map.appendChild (area);
        }
      } 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 = 0; 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 ();
}

  if (map.hasChildNodes ()) {
    var mapid = /* idPrefix + */ 'table-map-' + ++document.TableMapId;
    map.name = mapid;
    parent.appendChild (map);
    var img = document.createElement ('img');
    img.src = canvas.toDataURL ();
    img.useMap = '#' + mapid;
    parent.appendChild (img);
    canvas.style.display = 'none';
  }
} // tableToCanvas

if (!document.TableMapId) document.TableMapId = 0;

/*

Copyright 2007-2008 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: 2008/05/05 06:11:34 $ */
1	wakaba	1.4	function tableToCanvas (table, parent, idPrefix) {
2	wakaba	1.1	var canvas = document.createElement ('canvas');
3	wakaba	1.3	parent.appendChild (canvas);
4	wakaba	1.2	if (window.G_vmlCanvasManager) {
5			canvas = G_vmlCanvasManager.initElement (canvas);
6			}
7	wakaba	1.1	var c2d = canvas.getContext ('2d');
8
9			var param = {
10			columnLeft: 20,
11			columnWidth: 20,
12			columnSpacing: 5,
13			columnGroupTop: 10,
14			columnTop: 15,
15			rowTop: 20,
16			rowHeight: 20,
17			rowSpacing: 5,
18			rowGroupLeft: 10,
19	wakaba	1.6	rowGroupFillLeft: 20, /* Must be same as columnLeft */
20	wakaba	1.1	rowLeft: 15,
21			cellTop: 20,
22	wakaba	1.6	cellLeft: 20, /* Must be same as columnLeft */
23	wakaba	1.1	cellBottom: 20,
24			cellRight: 20,
25			explicitColumnGroupStrokeStyle: 'black',
26			explicitColumnStrokeStyle: 'black',
27			impliedColumnStrokeStyle: '#C0C0C0',
28			explicitHeaderRowGroupStrokeStyle: 'black',
29			explicitHeaderRowGroupFillStyle: 'rgba(220, 220, 220, 0.3)',
30			explicitBodyRowGroupStrokeStyle: 'black',
31			explicitBodyRowGroupFillStyle: 'rgba(0, 0, 0, 0)',
32			explicitFooterRowGroupStrokeStyle: 'black',
33			explicitFooterRowGroupFillStyle: 'rgba(220, 220, 220, 0.3)',
34			explicitRowStrokeStyle: 'black',
35			impliedRowStrokeStyle: '#C0C0C0',
36			headerCellFillStyle: 'rgba(192, 192, 192, 0.5)',
37			headerCellStrokeStyle: 'black',
38			dataCellFillStyle: 'rgba(0, 0, 0, 0)',
39			dataCellStrokeStyle: 'black',
40			overlappingCellFillStyle: 'red',
41			overlappingCellStrokeStyle: 'rgba(0, 0, 0, 0)'
42			};
43
44			var columnNumber = table.column.length;
45			if (columnNumber < table.cell.length) columnNumber = table.cell.length;
46			var rowNumber = 0;
47	wakaba	1.5	for (var i = 0; i < table.cell.length; i++) {
48	wakaba	1.1	if (table.cell[i] && rowNumber < table.cell[i].length) {
49			rowNumber = table.cell[i].length;
50			}
51			}
52
53	wakaba	1.2	canvas.style.width = 'auto'; // NOTE: Opera9 has default style=""
54			canvas.style.height = 'auto';
55			// NOTE: Set style="" before width/height="" for ExplorerCanvas compatibility
56	wakaba	1.1	canvas.width = param.cellLeft
57			+ (param.columnWidth + param.columnSpacing) * columnNumber
58			+ param.cellRight;
59			canvas.height = param.cellTop
60			+ (param.rowHeight + param.rowSpacing) * rowNumber
61			+ param.cellBottom;
62
63			var y = param.rowTop;
64	wakaba	1.5	for (var i = 0; i < table.row_group.length; i++) {
65	wakaba	1.1	var rg = table.row_group[i];
66			c2d.beginPath ();
67			if (rg.type == 'thead') {
68			c2d.strokeStyle = param.explicitHeaderRowGroupStrokeStyle;
69			c2d.fillStyle = param.explicitHeaderRowGroupFillStyle;
70			} else if (rg.type == 'tfoot') {
71			c2d.strokeStyle = param.explicitFooterRowGroupStrokeStyle;
72			c2d.fillStyle = param.explicitFooterRowGroupFillStyle;
73			} else {
74			c2d.strokeStyle = param.explicitBodyRowGroupStrokeStyle;
75			c2d.fillStyle = param.explicitBodyRowGroupFillStyle;
76			}
77			var dy = (param.rowHeight + param.rowSpacing) * rg.height;
78			c2d.moveTo (param.rowGroupLeft, y);
79			c2d.lineTo (param.rowGroupLeft, y + dy - param.rowSpacing);
80			c2d.stroke ();
81			c2d.closePath ();
82			c2d.beginPath ();
83	wakaba	1.6	c2d.rect (param.rowGroupFillLeft,
84	wakaba	1.1	y,
85			(param.columnWidth + param.columnSpacing) * columnNumber - param.columnSpacing,
86			dy - param.rowSpacing);
87			c2d.fill ();
88			c2d.closePath ();
89			y += dy;
90			i += rg.height - 1;
91			}
92
93			c2d.beginPath ();
94			c2d.strokeStyle = param.explicitColumnGroupStrokeStyle;
95			var x = param.columnLeft;
96	wakaba	1.5	for (var i = 0; i < table.column_group.length; i++) {
97	wakaba	1.1	var cg = table.column_group[i];
98			c2d.moveTo (x, param.columnGroupTop);
99			x += (param.columnWidth + param.columnSpacing) * cg.width;
100			c2d.lineTo (x - param.columnSpacing, param.columnGroupTop);
101			i += cg.width - 1;
102			}
103			c2d.stroke ();
104			c2d.closePath ();
105
106			var x = param.columnLeft;
107	wakaba	1.5	for (var i = 0; i < columnNumber; i++) {
108	wakaba	1.1	var c = table.column[i];
109			c2d.beginPath ();
110			c2d.moveTo (x, param.columnTop);
111			x += param.columnWidth + param.columnSpacing;
112			c2d.lineTo (x - param.columnSpacing, param.columnTop);
113			if (c) {
114			c2d.strokeStyle = param.explicitColumnStrokeStyle;
115			} else {
116			c2d.strokeStyle = param.impliedColumnStrokeStyle;
117			}
118			c2d.stroke ();
119			c2d.closePath ();
120			}
121
122	wakaba	1.3	var map = document.createElement ('map');
123	wakaba	1.1	var x = param.cellLeft;
124	wakaba	1.5	for (var i = 0; i < table.cell.length; i++) {
125	wakaba	1.1	var y = param.cellTop;
126			if (!table.cell[i]) continue;
127	wakaba	1.5	for (var j = 0; j < table.cell[i].length; j++) {
128	wakaba	1.1	var c = table.cell[i][j];
129			if (c && ((c[0].x == i && c[0].y == j) \|\| c.length > 1)) {
130			c2d.beginPath ();
131			var width = (param.columnWidth + param.columnSpacing) * c[0].width
132			- param.columnSpacing;
133			var height = (param.rowHeight + param.rowSpacing) * c[0].height
134			- param.rowSpacing;
135			if (c.length == 1) {
136			c2d.rect (x, y, width, height);
137			c2d.fillStyle = c[0].is_header
138			? param.headerCellFillStyle : param.dataCellFillStyle;
139			c2d.strokeStyle = c[0].is_header
140			? param.headerCellStrokeStyle : param.dataCellStrokeStyle;
141	wakaba	1.3	if (c[0].id) {
142			var area = document.createElement ('area');
143			area.shape = 'rect';
144			area.coords = [x, y, x + width, y + height].join (',');
145			area.alt = 'Cell (' + c[0].x + ', ' + c[0].y + ')';
146	wakaba	1.4	area.href = '#' + idPrefix + 'node-' + c[0].id;
147			area.id = idPrefix + 'cell-' + c[0].id;
148	wakaba	1.3	map.appendChild (area);
149			}
150	wakaba	1.1	} else {
151			c2d.rect (x, y, param.columnWidth, param.rowHeight);
152			c2d.fillStyle = param.overlappingCellFillStyle;
153			c2d.strokeStyle = param.overlappingCellStrokeStyle;
154			}
155			c2d.fill ();
156			c2d.stroke ();
157			c2d.closePath ();
158			}
159			y += param.rowHeight + param.rowSpacing;
160			}
161			x += param.columnWidth + param.columnSpacing;
162			}
163
164			var y = param.rowTop;
165	wakaba	1.5	for (var i = 0; i < rowNumber; i++) {
166	wakaba	1.1	c2d.beginPath ();
167			c2d.moveTo (param.rowLeft, y);
168			y += param.rowHeight + param.rowSpacing;
169			c2d.lineTo (param.rowLeft, y - param.rowSpacing);
170			//if (true) {
171			c2d.strokeStyle = param.explicitRowStrokeStyle;
172			//} else {
173			// c2d.strokeStyle = param.impliedRowStrokeStyle;
174			//}
175			c2d.stroke ();
176			c2d.closePath ();
177			}
178	wakaba	1.3
179			if (map.hasChildNodes ()) {
180	wakaba	1.4	var mapid = /* idPrefix + */ 'table-map-' + ++document.TableMapId;
181	wakaba	1.3	map.name = mapid;
182			parent.appendChild (map);
183			var img = document.createElement ('img');
184			img.src = canvas.toDataURL ();
185			img.useMap = '#' + mapid;
186			parent.appendChild (img);
187			canvas.style.display = 'none';
188			}
189	wakaba	1.1	} // tableToCanvas
190
191	wakaba	1.3	if (!document.TableMapId) document.TableMapId = 0;
192
193	wakaba	1.1	/*
194
195	wakaba	1.4	Copyright 2007-2008 Wakaba <w@suika.fam.cx>
196	wakaba	1.1
197			This library is free software; you can redistribute it
198			and/or modify it under the same terms as Perl itself.
199
200			*/
201	wakaba	1.6	/* $Date: 2008/05/05 06:11:34 $ */