GoogleChart.hpp 13.9 KB
Newer Older
Pietro Incardona's avatar
Pietro Incardona committed
1
2
3
4
5
6
7
8
9
10
11
12
13
/*
 * GoogleChart.hpp
 *
 *  Created on: Jan 9, 2016
 *      Author: i-bird
 */

#ifndef OPENFPM_DATA_SRC_PLOT_GOOGLECHART_HPP_
#define OPENFPM_DATA_SRC_PLOT_GOOGLECHART_HPP_

#include <fstream>

#define GGRAPH_COLUMS 1
Pietro Incardona's avatar
Pietro Incardona committed
14
#define GGRAPH_POINTS 2
Pietro Incardona's avatar
Pietro Incardona committed
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41

/*! \brief Google chart options
 *
 */
struct GCoptions
{
	//! Title of the chart
	std::string title;
	//! Y axis name
	std::string yAxis;
	//! X axis name
	std::string xAxis;

	//! Type of chart (list of the option can be founded in Google Chart API for seriesType)
	//! Possible options are:
	//!  'line', 'area', 'bars', 'candlesticks', and 'steppedArea'
	//! default: line
	std::string stype;

	//! Extended series options
	//! Example {5: {type: 'line'}} specify that the series number 5 must be represented
	//! with a line
	std::string stypeext;

	size_t width=900;
	size_t heigh=500;

Pietro Incardona's avatar
Pietro Incardona committed
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
	//! Flag that specify if the colums are stacked
	//! Check in Google Chart for is stacked option
	bool isStacked = false;

	//! Width of the line
	size_t lineWidth = 4;

	//! Style for all the intervals
	//! Check Google Chart API intervals option
	std::string intervalsext;

	//! Style for each interval
	//! Check Google Chart API interval option
	std::string intervalext;

Pietro Incardona's avatar
Pietro Incardona committed
57
58
	GCoptions & operator=(const GCoptions & opt)
	{
Pietro Incardona's avatar
Pietro Incardona committed
59
60
61
62
63
64
65
66
67
68
69
		title = opt.title;
		yAxis = opt.yAxis;
		xAxis = opt.xAxis;
		stype = opt.stype;
		stypeext = opt.stypeext;
		width=opt.width;
		heigh=opt.heigh;

		lineWidth = opt.lineWidth;
		intervalsext = opt.intervalsext;

Pietro Incardona's avatar
Pietro Incardona committed
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
		return *this;
	}
};

struct GGraph
{
	// TypeOfGraph
	size_t type;

	// data
	std::string data;

	// option
	std::string option;

	// Google chart option
	GCoptions opt;
};

/////////////////// Constants strings usefull to construct the HTML page //////////

const std::string begin_data ="<html>\n\
  <head>\n\
    <script type=\"text/javascript\" src=\"https://www.gstatic.com/charts/loader.js\"></script>\n\
    <script type=\"text/javascript\">\n\
      google.charts.load('current', {'packages':['corechart']});\n\
      google.charts.setOnLoadCallback(drawVisualization);\n\
\n\
\n\
      function drawVisualization() {\n";

const std::string end_data="]);\n\n";

const std::string begin_div = "}</script>\n\
</head>\n\
<body>\n";

const std::string div_end = "</body>\n\
</html>\n";

/////////////////////////////////////////////////////////////////////

/*! It convert an array y or a set of two array x,y into a Google chart
 *
 */
class GoogleChart
{
	// set of graphs
	openfpm::vector<GGraph> set_of_graphs;

	// set inject HTML;
	openfpm::vector<std::string> injectHTML;

Pietro Incardona's avatar
Pietro Incardona committed
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
	/*! \brief Given X and Y vector return the string representing the data section of the Google Chart
	 *
	 * \param X vector
	 * \param Y vector
	 * \param i counter
	 *
	 * \return string with the data section
	 *
	 */
	template<typename X, typename Y> std::string get_points_plot_data(const openfpm::vector<X> & x, const openfpm::vector<Y> & y, const openfpm::vector<std::string> & yn, const GCoptions & opt, size_t i)
	{
		std::stringstream data;

		size_t interval = 0;

		// we require that the number of x elements are the same as y elements

		if (x.size() != y.size())
			std::cerr << "Error: " << __FILE__ << ":" << __LINE__ << " vector x and the vector y must have the same number of elements " << x.size() << "!=" << y.size() << "\n";

		// Google chart visualization
        data << "var data" << i << " = new google.visualization.DataTable();\n";
		if (std::is_same<X,typename std::string>::value == true)
			data << "data" << i << ".addColumn("  << "'string'" << "," << "'" << opt.xAxis <<"');\n";
		else
			data << "data" << i << ".addColumn("  << "'number'" << "," << "'" << opt.xAxis <<"');\n";

        for (size_t j = 0 ; j < y.last().size() ; j++)
        {
        	if (yn.get(j) == std::string("interval"))
        	{
        		data << "data" << i << ".addColumn({id:'i" << interval/2 << "', type:'number', role:'interval'});\n";
        		interval++;
        	}
        	else
        		data << "data" << i << ".addColumn("  << "'number'" << "," << "'" << yn.get(j) <<"');\n";
        }

        data << "data" << i << ".addRows([\n";
        for (size_t i = 0 ; i < y.size() ; i++)
        {

        	for (size_t j = 0 ; j < y.get(i).size()+1 ; j++)
        	{
        		// the first is x
        		if (j == 0)
        		{
        			if (std::is_same<X,typename std::string>::value == true)
        				data << "['"  << x.get(i) << "'";
        			else
        				data << "["  << x.get(i);
        		}
        		else
        			data << "," << y.get(i).get(j-1);
        	}
        	data << "],\n";
        }

		return data.str();
	}

	/*! \brief Given X and Y vector return the string representing the data section of the Google Chart
	 *
	 * \param X vector
	 * \param Y vector
Pietro Incardona's avatar
Pietro Incardona committed
188
	 *
Pietro Incardona's avatar
Pietro Incardona committed
189
	 * \return string with the data section
Pietro Incardona's avatar
Pietro Incardona committed
190
191
	 *
	 */
Pietro Incardona's avatar
Pietro Incardona committed
192
	template<typename X, typename Y, typename Yn> std::string get_colums_bar_data(const openfpm::vector<X> & x, const openfpm::vector<Y> & y, const openfpm::vector<Yn> & yn, const GCoptions & opt, size_t i)
Pietro Incardona's avatar
Pietro Incardona committed
193
194
195
	{
		std::stringstream data;

Pietro Incardona's avatar
Pietro Incardona committed
196
197
198
199
		data << "var data";
		data << i;
		data << " = google.visualization.arrayToDataTable([\n";

Pietro Incardona's avatar
Pietro Incardona committed
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
		// we require that the number of x elements are the same as y elements

		if (x.size() != y.size())
			std::cerr << "Error: " << __FILE__ << ":" << __LINE__ << " vector x and the vector y must have the same number of elements " << x.size() << "!=" << y.size() << "\n";

		data << "['";
		data << opt.xAxis << "'";
		for (size_t i = 0 ; i < yn.size() ; i++)
			data << ",'" << std::to_string(yn.get(i)) << "'";

		data << "],\n";

		// Write the values
		for (size_t i = 0 ; i < y.size() ; i++)
		{
			data << "[";
			data << "'" << std::to_string(x.get(i)) << "'";
			for (size_t j = 0 ; j < y.get(i).size() ; j++)
				data << "," << std::to_string(y.get(i).get(j));

			data << "],\n";
		}

		return data.str();
	}

Pietro Incardona's avatar
Pietro Incardona committed
226
	std::string get_colums_bar_option(const GCoptions & opt)
Pietro Incardona's avatar
Pietro Incardona committed
227
228
229
230
231
232
233
234
235
236
237
238
	{
		std::stringstream str;
		str << "title : '" << opt.title << "',\n";
	    str << "vAxis: {title: '" << opt.yAxis <<  "'},\n";
	    str << "hAxis: {title: '" << opt.xAxis << "'},\n";
	    str << "seriesType: '" << opt.stype << "',\n";
	    if (opt.stypeext.size() != 0)
	    	str << "series: " << opt.stypeext << "\n";

	    return str.str();
	}

Pietro Incardona's avatar
Pietro Incardona committed
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
	std::string get_points_plot_option(const GCoptions & opt)
	{
		std::stringstream str;
		str << "title : '" << opt.title << "',\n";
	    str << "vAxis: {title: '" << opt.yAxis <<  "'},\n";
	    str << "hAxis: {title: '" << opt.xAxis << "'},\n";
	    str << "curveType: 'function',\n";

        str << "lineWidth: " << opt.lineWidth << ",\n";
        if (opt.intervalsext.size() != 0)
        	str << "intervals: " << opt.intervalsext << ",\n";
        else
        	str << "intervals: " << "{ 'style':'area' }" << ",\n";

        if (opt.intervalext.size() != 0)
        	str << "interval: " << opt.intervalext << "\n";

	    return str.str();
	}

Pietro Incardona's avatar
Pietro Incardona committed
259
260
261
262
263
264
265
266
267
	/*! \brief Add a graph data variable
	 *
	 * \param of file out
	 * \param i id
	 * \param data string
	 *
	 */
	void addData(std::ofstream & of, size_t i, const std::string & data)
	{
Pietro Incardona's avatar
Pietro Incardona committed
268

Pietro Incardona's avatar
Pietro Incardona committed
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
		of << data;
		of << "]);\n";
	}

	/*! \brief Add an option data variable
	 *
	 * \param of file out
	 * \param i id
	 * \param opt string
	 *
	 */
	void addOption(std::ofstream & of, size_t i, const std::string & opt)
	{
		of << "var options";
		of << i;
		of << "= {\n";
		of << opt;
		of << "};\n";
	}

	/*! \brief Add a draw div section
	 *
	 * \param of file out
	 * \param i id
	 *
	 */
	void addDrawDiv(std::ofstream & of, size_t i)
	{
		of << "var chart = new google.visualization.ComboChart(document.getElementById('chart_div";
		of << i;
		of << "'));chart.draw(data";
		of << i;
		of << ", options";
		of << i;
		of << ");\n";
	}

	/*! \brief Add a div section
	 *
	 * \param i id
	 * \param gc GoogleChart option
	 *
	 */
	void addDiv(std::ofstream & of, size_t i, const GCoptions & gc)
	{
		of << "<div id=\"chart_div";
		of << i;
		of << "\" style=\"width: ";
		of << gc.width;
		of << "px; height: ";
		of << gc.heigh;
		of << "px;\"></div>\n";
	}

public:

	GoogleChart()
	{
		injectHTML.add();
	}

	/*! \brief Add a colums graph
	 *
	 * \param y A vector of vector of values (numbers) the size of y indicate how many columns
	 *          has the graph while the internal vector can store multiple datasets
	 *
	 */
	template<typename Y> void AddColumsGraph(openfpm::vector<Y> & y)
	{
		openfpm::vector<std::string> x;
		x.resize(y.size());

		AddColumsGraph<std::string,Y>(x,y);
	}

	/*! \brief Add a colums graph
	 *
	 * \param y A vector of vector of values (numbers) the size of y indicate how many columns
	 *          has the graph while the internal vector can store multiple datasets
	 *
	 * \param x Give a name or number to each colums, so can be a string or a number
	 *
	 */
	template<typename X, typename Y> void AddColumsGraph(openfpm::vector<X> & x, openfpm::vector<Y> & y)
	{
		GCoptions opt;

		openfpm::vector<std::string> yn;

		if (y.size() != 0)
			yn.resize(y.get(0).size());

		AddColumsGraph<X,Y,std::string>(x,y,yn,opt);
	}

	/*! \brief Add a colums graph
	 *
	 * \param y A vector of vector of values (numbers) the size of y indicate how many columns
	 *          has the graph while the internal vector can store multiple datasets
	 *
	 * \param x Give a name or number to each colums, so can be a string or a number
	 *
	 * \param yn Give a name to each dataset
	 *
	 */
	template<typename X, typename Y, typename Yn> void AddColumsGraph(openfpm::vector<X> & x, openfpm::vector<Y> & y, openfpm::vector<Yn> & yn)
	{
		GCoptions opt;

		AddColumsGraph(x,y,yn,opt);
	}

	/*! \brief Add a colums graph
	 *
	 * \param y A vector of vector of values (numbers) the size of y indicate how many columns
	 *          has the graph while the internal vector can store multiple datasets
	 *
	 * \param x Give a name or number to each colums, so can be a string or a number
	 *
	 * \param yn Give a name to each dataset
	 *
	 * \param opt Graph options
	 *
	 */
	template<typename X, typename Y, typename Yn> void AddColumsGraph(openfpm::vector<X> & x, openfpm::vector<Y> & y, openfpm::vector<Yn> & yn , const GCoptions & opt)
	{
		set_of_graphs.add();
		injectHTML.add();

		// Check that all the internal vector has the same number of elements

		if (y.size() != 0)
		{
			size_t sz = y.get(0).size();
			for (size_t i = 0; i < y.size() ; i++)
			{
				if (y.get(i).size() != sz)
					std::cerr << __FILE__ << ":" << __LINE__ << " error all the elements in the y vector must have the same numbers, element " << i << ": " << y.get(i).size() << " " << " mismatch the numbers of elements at 0: " << sz << "/n";
			}
		}

		set_of_graphs.last().type = GGRAPH_COLUMS;
Pietro Incardona's avatar
Pietro Incardona committed
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
		set_of_graphs.last().data = get_colums_bar_data(x,y,yn,opt,set_of_graphs.size()-1);
		set_of_graphs.last().option = get_colums_bar_option(opt);
		set_of_graphs.last().opt = opt;
	}

	/*! \brief Add a simple plot graph
	 *
	 * \param y A vector of vector of values (numbers) the size of y indicate how many x values
	 *          or colums do we have, while the internal vector can store multiple realizations,
	 *          or min and max, for error bar
	 *
	 * \param x Give a name or number to each colums, so can be a string or a number
	 *
	 * \param opt Graph options
	 *
	 */
	template<typename X, typename Y> void AddPointsGraph(openfpm::vector<X> & x, openfpm::vector<Y> & y , const GCoptions & opt)
	{
		openfpm::vector<std::string> yn;

		if (y.size() == 0)
		{
			std::cerr << "Error: " << __FILE__ << ":" << __LINE__ << " vector y must be filled";
			return;
		}

		for (size_t i = 0 ; i < y.last().size() ; i++)
			yn.add(std::string("line") + std::to_string(i));

		AddPointsGraph(x,y,yn,opt);
	}

	/*! \brief Add a simple plot graph
	 *
	 * \param y A vector of vector of values (numbers) the size of y indicate how many x values
	 *          or colums we have, while the internal vector store multiple lines,
	 *          or error bars
	 *
	 * \param x Give a name or number to each colums, so can be a string or a number
	 *
	 * \param yn Give a name to each line, or specify an error bar
	 *
	 * \param opt Graph options
	 *
	 */
	template<typename X, typename Y> void AddPointsGraph(openfpm::vector<X> & x, openfpm::vector<Y> & y , const openfpm::vector<std::string> & yn, const GCoptions & opt)
	{
		if (y.size() == 0)
		{
			std::cerr << "Error: " << __FILE__ << ":" << __LINE__ << " vector y must be filled";
			return;
		}

		set_of_graphs.add();
		injectHTML.add();

		// Check that all the internal vectors has the same number of elements

		if (y.size() != 0)
		{
			size_t sz = y.get(0).size();
			for (size_t i = 0; i < y.size() ; i++)
			{
				if (y.get(i).size() != sz)
					std::cerr << __FILE__ << ":" << __LINE__ << " error all the elements in the y vector must have the same numbers, element " << i << ": " << y.get(i).size() << " " << " mismatch the numbers of elements at 0: " << sz << "/n";
			}
		}

		set_of_graphs.last().type = GGRAPH_POINTS;
		set_of_graphs.last().data = get_points_plot_data(x,y,yn,opt,set_of_graphs.size()-1);
		set_of_graphs.last().option = get_points_plot_option(opt);
Pietro Incardona's avatar
Pietro Incardona committed
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
		set_of_graphs.last().opt = opt;
	}

	/*! \brief Add HTML text
	 *
	 * \param html add html text in the page
	 *
	 */
	void addHTML(const std::string & html)
	{
		injectHTML.last() = html;
	}

	/*! \brief It write the html file
	 *
	 * \param file output html file
	 *
	 */
	void write(std::string file)
	{
		// Open a file

		std::ofstream of(file);

		// Check if the file is open
		if (of.is_open() == false)
		{std::cerr << "Error cannot create the HTML file: " + file + "\n";}

		// write the file

		of << begin_data;

		for (size_t i = 0 ; i < set_of_graphs.size() ; i++)
			addData(of,i,set_of_graphs.get(i).data);

		for (size_t i = 0 ; i < set_of_graphs.size() ; i++)
			addOption(of,i,set_of_graphs.get(i).option);

		for (size_t i = 0 ; i < set_of_graphs.size() ; i++)
			addDrawDiv(of,i);

		of << begin_div;

		of << injectHTML.get(0);

		for (size_t i = 0 ; i < set_of_graphs.size() ; i++)
		{
			addDiv(of,i,set_of_graphs.get(i).opt);
			of << injectHTML.get(i+1);
		}

		of << div_end;

		of.close();
	}
};

#endif /* OPENFPM_DATA_SRC_PLOT_GOOGLECHART_HPP_ */