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Wt examples
3.3.0
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Classes | |
| class | ChartConfig |
| A class that allows configuration of a cartesian chart. More... | |
| class | TimeSeriesExample |
| A widget that demonstrates a times series chart. More... | |
| class | CategoryExample |
| A Widget that demonstrates a category chart. More... | |
| class | ScatterPlotExample |
| A Widget that demonstrates a scatter plot. More... | |
| class | PieExample |
| A Widget that demonstrates a Pie chart. More... | |
| class | ChartsExample |
| A widget that demonstrates various aspects of the charting lib. More... | |
Functions | |
| void | readFromCsv (std::istream &f, Wt::WAbstractItemModel *model, int numRows=-1, bool firstLineIsHeaders=true) |
| Utility function that reads a model from a CSV file. | |
| void readFromCsv | ( | std::istream & | f, |
| Wt::WAbstractItemModel * | model, | ||
| int | numRows = -1, |
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| bool | firstLineIsHeaders = true |
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| ) |
Utility function that reads a model from a CSV file.
Definition at line 25 of file CsvUtil.C.
{
int csvRow = 0;
while (f) {
std::string line;
getline(f, line);
if (f) {
typedef boost::tokenizer<boost::escaped_list_separator<char> >
CsvTokenizer;
CsvTokenizer tok(line);
int col = 0;
for (CsvTokenizer::iterator i = tok.begin();
i != tok.end(); ++i, ++col) {
if (col >= model->columnCount())
model->insertColumns(model->columnCount(),
col + 1 - model->columnCount());
if (firstLineIsHeaders && csvRow == 0)
model->setHeaderData(col, boost::any(Wt::WString::fromUTF8(*i)));
else {
int dataRow = firstLineIsHeaders ? csvRow - 1 : csvRow;
if (numRows != -1 && dataRow >= numRows)
return;
if (dataRow >= model->rowCount())
model->insertRows(model->rowCount(),
dataRow + 1 - model->rowCount());
std::string s = *i;
boost::any data;
char *end;
int i = std::strtol(s.c_str(), &end, 10);
if (*end == 0)
data = boost::any(i);
else {
double d = std::strtod(s.c_str(), &end);
if (*end == 0)
data = boost::any(d);
else
data = boost::any(Wt::WString::fromUTF8(s));
}
model->setData(dataRow, col, data);
}
}
}
++csvRow;
}
}
1.7.5.1