public override void EvaluateNode(EvaluationContext context, AstMode mode) {
var result = new ValuesList();
foreach (var expr in ChildNodes) {
expr.Evaluate(context, AstMode.Read);
result.Add(context.Data.Pop());
}
//Push list on the stack
context.Data.Push(result);
}
/// <summary>
/// 将指定字段值数组添加到ValuesList属性。
/// </summary>
/// <param name="values">字段值数组（一条记录的动态参数值）。</param>
/// <exception cref="ArgumentNullException">如果values为空引用，则抛出该异常。</exception>
public void AddValues(object[] values)
{
if (values == null)
{
throw new ArgumentNullException("values");
}
if (values.Length > 0)
{
ValuesList.Add(values);
}
}
public FormFieldViewModel(FormField field, string[] languageCodes) : this()
{
var names = field.GetNames(true);
var values = field.GetValues(false);
IEnumerable <Option> options = typeof(OptionsField).IsAssignableFrom(field.GetType()) ? ((OptionsField)field).Options : new List <Option>();
foreach (var name in names)
{
if (languageCodes.Contains(name.LanguageCode))
{
Names.Add(name.LanguageCode, name.Value);
}
}
foreach (var value in values)
{
if (languageCodes.Contains(value.LanguageCode))
{
if (Values.ContainsKey(value.LanguageCode))
{
Values = new Dictionary <string, string>();
ValuesList.Add(Values);
Values.Add(value.LanguageCode, value.Value);
}
else
{
Values.Add(value.LanguageCode, value.Value);
}
}
}
foreach (string code in languageCodes)
{
SelectedOptions.Add(code, new List <string>());
}
foreach (var option in options)
{
if (option.Selected)
{
foreach (var optionVal in option.Value)
{
if (languageCodes.Contains(optionVal.LanguageCode))
{
SelectedOptions[optionVal.LanguageCode].Add(optionVal.Value);
}
}
}
}
}
public override void EvaluateNode(EvaluationContext context, AstMode mode)
{
var result = new ValuesList();
foreach (var expr in ChildNodes)
{
expr.Evaluate(context, AstMode.Read);
result.Add(context.Data.Pop());
}
//Push list on the stack
context.Data.Push(result);
}
/// <summary>
/// 将指定数据表中的值添加到ValuesList属性。
/// </summary>
/// <param name="dt">数据表。</param>
/// <exception cref="ArgumentNullException">如果dt为空引用，则抛出该异常。</exception>
public void AddValues(DataTable dt)
{
if (dt == null)
{
throw new ArgumentNullException("dt");
}
if (dt.Columns.Count == 0 || dt.Rows.Count == 0)
{
return;
}
//将数据表中每条记录的字段值数组，复制到ValuesList属性中
foreach (DataRow row in dt.Rows)
{
ValuesList.Add(row.ItemArray);
}
}
public void AddValue(params string[] values)
{
if (values.Length == IndiciesCount)
{
string ready = "(";
for (int i = 0; i < values.Length; i++)
{
if (values[i] == values.Last())
{
ready += $"'{values[i]}')";
}
else
{
ready += $"'{values[i]}', ";
}
}
ValuesList.Add(ready);
}
else
{
throw new FormatException($"Incorrect values count for adding to statement. Need: '{IndiciesCount}', received: {values.Length}");
}
}
public bool LoadTiff(string Filename, out Exception errorMsg)
{
errorMsg = new Exception();
try
{
using (var stream = File.Open(Filename, FileMode.Open))
{
var reader = TiffReader.Create(stream);
reader.ReadHeader(); // Read Header
// Read Image File Directories
for (var count = reader.ReadImageFileDirectory(); count != 0; count = reader.ReadImageFileDirectory())
{
Dictionary.Clear();
// Read Tags
for (ITag tag = reader.ReadTag(); tag != null; tag = reader.ReadTag())
{
Dictionary.Add(tag.TagId, new Collection <object>());
switch (tag.TagId)
{
case TiffTags.StripOffsets:
// Read Values of Tag
for (object value = reader.ReadHandle(); value != null; value = reader.ReadHandle())
{
Dictionary[tag.TagId].Add(value);
}
break;
default:
// Read Values of Tag
for (object value = reader.ReadValue(); value != null; value = reader.ReadValue())
{
Dictionary[tag.TagId].Add(value);
}
break;
}
}
// Read Strips
for (int i = 0; i < Dictionary[TiffTags.StripOffsets].Count; i++)
{
ValuesList.Clear();
var data = reader.ReadData((TiffHandle)Dictionary[TiffTags.StripOffsets][i], Convert.ToInt64(Dictionary[TiffTags.StripByteCounts][i]));
ValuesList.Add(data);
}
ImageHeight = (ushort)Dictionary[TiffTags.ImageLength][0];
ImageWidth = (ushort)Dictionary[TiffTags.ImageWidth][0];
}
}
}
catch (Exception e)
{
ValuesList.Add(new byte[0]);
errorMsg = e;
return(false);
}
return(true);
}