public override ChartData LoadChartData(ITabularDataView data)
{
var fmt = new BedValueFormatter(new DataFormatSettings());
var res = new ChartData();
res.ValueDefs = ValueDefs.ToArray();
var tbl = data.GetStructure(null);
var colnames = tbl.Columns.GetNames();
int labindex = colnames.IndexOfEx(LabelColumn);
int[] valindexes = new int[ValueDefs.Count];
for (int i = 0; i < ValueDefs.Count; i++)
{
valindexes[i] = colnames.IndexOfEx(ValueDefs[i].Column);
}
var pg = new TablePageProperties {
Count = 128
};
var table = data.LoadTableData(pg);
foreach (var row in table.Rows)
{
var item = new ChartData.DataItem();
row.ReadValue(labindex);
fmt.ReadFrom(row);
item.Label = fmt.GetText();
item.Values = new double[ValueDefs.Count];
for (int i = 0; i < ValueDefs.Count; i++)
{
row.ReadValue(valindexes[i]);
fmt.ReadFrom(row);
Double.TryParse(fmt.GetText(), NumberStyles.Number, CultureInfo.InvariantCulture, out item.Values[i]);
}
res.Items.Add(item);
}
return(res);
}
protected virtual void DoWrite(IDataQueue queue)
{
var fmt = new BedValueFormatter(new DataFormatSettings());
try
{
int index = 0;
while (!queue.IsEof)
{
var record = queue.GetRecord();
record.ReadValue(0);
fmt.ReadFrom(record);
string name = OutputFileNameTemplate;
name = name.Replace("#FILE#", fmt.GetText());
name = name.Replace("#INDEX#", (index + 1).ToString());
string fn = Path.Combine(OutputDirectory, name);
record.ReadValue(1);
switch (record.GetFieldType())
{
case TypeStorage.String:
using (var tw = new StreamWriter(fn, false, m_encoding))
{
tw.Write(record.GetString());
}
break;
case TypeStorage.ByteArray:
using (var fw = new FileInfo(fn).OpenWrite())
{
var data = record.GetByteArray();
fw.Write(data, 0, data.Length);
}
break;
}
index++;
}
}
finally
{
queue.CloseReading();
}
}
public override ChartData LoadChartData(ITabularDataView data)
{
var fmt = new BedValueFormatter(new DataFormatSettings());
var res = new ChartData();
res.ValueDefs = new ChartData.ValueDef[1];
res.ValueDefs[0] = new ChartData.ValueDef();
res.ValueDefs[0].Column = Column;
res.ValueDefs[0].Label = Texts.Get("s_count");
var dct = new Dictionary <string, int>();
var tbl = data.GetStructure(null);
int colindex = tbl.Columns.GetNames().IndexOfEx(Column);
data.LoadAllRows(new TableDataSetProperties(), (row) =>
{
row.ReadValue(colindex);
fmt.ReadFrom(row);
string curval = fmt.GetText();
if (!dct.ContainsKey(curval))
{
dct[curval] = 0;
}
dct[curval] += 1;
});
var pairs = new List <KeyValuePair <string, int> >(dct);
pairs.SortByKey(p => p.Value);
pairs.Reverse();
foreach (var pair in pairs)
{
var item = new ChartData.DataItem();
item.Label = pair.Key;
item.Values = new double[] { pair.Value };
res.Items.Add(item);
}
return(res);
}
/// <summary>
/// writes content of data queue into output DBF file
/// </summary>
/// <param name="queue"></param>
protected override void DoWrite(IDataQueue queue)
{
var dbf = new DbfFile();
var formatter = new BedValueFormatter(FormatSettings);
try
{
if (File.Exists(GetWorkingFileName()))
{
File.Delete(GetWorkingFileName());
}
dbf.Create(GetWorkingFileName());
ITableStructure ts = queue.GetRowFormat;
foreach (var col in ts.Columns)
{
DbfColumn.DbfColumnType type;
int len = 0, scale = 0;
switch (col.DataType.Code)
{
case DbTypeCode.Array:
case DbTypeCode.Generic:
case DbTypeCode.Text:
case DbTypeCode.Xml:
type = DbfColumn.DbfColumnType.Memo;
break;
case DbTypeCode.Blob:
type = DbfColumn.DbfColumnType.Binary;
break;
case DbTypeCode.Datetime:
var dtype = (DbTypeDatetime)col.DataType;
if (dtype.SubType == DbDatetimeSubType.Date)
{
type = DbfColumn.DbfColumnType.Date;
}
else
{
type = DbfColumn.DbfColumnType.Character;
len = DateTime.UtcNow.ToString("s").Length;
}
break;
case DbTypeCode.Float:
type = DbfColumn.DbfColumnType.Number;
len = 18;
scale = DefaultNumericScale;
break;
case DbTypeCode.Int:
if (AllowFoxProInteger)
{
type = DbfColumn.DbfColumnType.Integer;
}
else
{
type = DbfColumn.DbfColumnType.Number;
len = 18;
}
break;
case DbTypeCode.Logical:
type = DbfColumn.DbfColumnType.Boolean;
break;
case DbTypeCode.Numeric:
type = DbfColumn.DbfColumnType.Number;
len = 18;
scale = ((DbTypeNumeric)col.DataType).Scale;
break;
case DbTypeCode.String:
var stype = (DbTypeString)col.DataType;
if (stype.IsBinary)
{
type = DbfColumn.DbfColumnType.Binary;
}
else if (stype.Length <= 254)
{
type = DbfColumn.DbfColumnType.Character;
len = stype.Length;
if (len <= 0)
{
len = DefaultStringLength;
}
}
else
{
type = DbfColumn.DbfColumnType.Memo;
}
break;
default:
type = DbfColumn.DbfColumnType.Character;
len = DefaultStringLength;
break;
}
dbf.Header.AddColumn(col.ColumnName, type, len, scale);
}
var orec = new DbfRecord(dbf.Header);
while (!queue.IsEof)
{
var record = queue.GetRecord();
orec.Clear();
for (int i = 0; i < ts.Columns.Count; i++)
{
record.ReadValue(i);
formatter.ReadFrom(record);
orec[i] = formatter.GetText();
}
dbf.Write(orec);
}
}
finally
{
dbf.Close();
queue.CloseReading();
}
FinalizeBulkCopy();
}
public override ChartData LoadChartData(ITabularDataView data)
{
var fmt = new BedValueFormatter(new DataFormatSettings());
var res = new ChartData();
res.ValueDefs = new ChartData.ValueDef[Items.Count];
for (int i = 0; i < Items.Count; i++)
{
res.ValueDefs[i] = new ChartData.ValueDef();
res.ValueDefs[i].Column = Items[i].Column;
res.ValueDefs[i].Label = Items[i].Expression + (Items[i].Expression != TimeLineExpression.Count ? " " + Items[i].Column : "");
}
var tbl = data.GetStructure(null);
var colnames = tbl.Columns.GetNames();
int[] valindexes = new int[Items.Count];
for (int i = 0; i < Items.Count; i++)
{
valindexes[i] = colnames.IndexOfEx(Items[i].Column);
}
int dtcolindex = colnames.IndexOfEx(DateColumn);
if (dtcolindex < 0)
{
return(res);
}
var dct = new Dictionary <string, TimeLineGroup>();
var smallstep = SmallStep;
if (!UseStructuredTime)
{
smallstep = Step;
}
// go through all rows
data.LoadAllRows(new TableDataSetProperties(), (row) =>
{
row.ReadValue(dtcolindex);
fmt.ReadFrom(row);
string curdt = fmt.GetText();
string key = ExtractKey(curdt, Step);
if (key != null)
{
TimeLineGroup item;
if (!dct.ContainsKey(key))
{
item = new TimeLineGroup {
Key = key
};
dct[key] = item;
}
else
{
item = dct[key];
}
var inkey = ExtractKey(curdt, smallstep);
if (inkey != null)
{
double[] vals;
if (!item.Items.ContainsKey(inkey))
{
vals = new double[Items.Count + 1];
for (int i = 0; i < Items.Count; i++)
{
vals[i] = Double.NaN;
}
item.Items[inkey] = new ChartData.DataItem {
Label = inkey, Values = vals
};
}
else
{
vals = item.Items[inkey].Values;
}
vals[Items.Count] += 1; // count
for (int i = 0; i < Items.Count; i++)
{
if (valindexes[i] < 0)
{
if (Double.IsNaN(vals[i]))
{
vals[i] = 0;
}
vals[i] += 1; // count
}
else
{
row.ReadValue(valindexes[i]);
fmt.ReadFrom(row);
double myval;
if (Double.TryParse(fmt.GetText(), NumberStyles.Number, CultureInfo.InvariantCulture, out myval))
{
AdaptValue(ref vals[i], myval, Items[i].Expression);
}
}
}
}
}
});
// summarize results
var pairs = new List <KeyValuePair <string, TimeLineGroup> >(dct);
pairs.SortByKey(p => p.Key);
foreach (var pair in pairs)
{
var item = pair.Value;
foreach (var itm in item.Items.Values)
{
for (int i = 0; i < Items.Count; i++)
{
if (Double.IsNaN(itm.Values[i]))
{
itm.Values[i] = 0;
}
if (Items[i].Expression == TimeLineExpression.Avg && itm.Values[Items.Count] > 0)
{
itm.Values[i] /= itm.Values[Items.Count];
}
}
}
if (UseStructuredTime)
{
double[] vals = new double[Items.Count];
for (int i = 0; i < Items.Count; i++)
{
switch (Items[i].TimeSelector)
{
case TimeGroupSelector.Sum:
vals[i] = 0;
foreach (var val in item.Items.Values)
{
vals[i] += val.Values[i];
}
break;
case TimeGroupSelector.Avg:
vals[i] = 0;
foreach (var val in item.Items.Values)
{
vals[i] += val.Values[i];
}
if (item.Items.Count > 0)
{
vals[i] /= item.Items.Count;
}
break;
case TimeGroupSelector.Min:
vals[i] = Double.NaN;
foreach (var val in item.Items.Values)
{
if (Double.IsNaN(vals[i]) || val.Values[i] < vals[i])
{
vals[i] = val.Values[i];
}
}
if (Double.IsNaN(vals[i]))
{
vals[i] = 0;
}
break;
case TimeGroupSelector.Max:
vals[i] = Double.NaN;
foreach (var val in item.Items.Values)
{
if (Double.IsNaN(vals[i]) || val.Values[i] > vals[i])
{
vals[i] = val.Values[i];
}
}
if (Double.IsNaN(vals[i]))
{
vals[i] = 0;
}
break;
case TimeGroupSelector.First:
{
string key = item.Items.Keys.Min();
if (key != null)
{
vals[i] = item.Items[key].Values[i];
}
}
break;
case TimeGroupSelector.Last:
{
string key = item.Items.Keys.Min();
if (key != null)
{
vals[i] = item.Items[key].Values[i];
}
}
break;
case TimeGroupSelector.Middle:
{
var keys = new List <string>(item.Items.Keys);
keys.Sort();
if (keys.Count > 0)
{
if (keys.Count % 2 == 1)
{
vals[i] = item.Items[keys[keys.Count / 2]].Values[i];
}
else
{
vals[i] = (
item.Items[keys[keys.Count / 2 - 1]].Values[i]
+ item.Items[keys[keys.Count / 2]].Values[i]
) / 2;
}
}
}
break;
}
}
res.Items.Add(new ChartData.DataItem {
Label = pair.Key, Values = vals
});
}
else
{
var itm = item.Items.First().Value;
res.Items.Add(itm);
}
}
return(res);
}