public DataFilterConfiguration(DataFilterConfiguration filterToClone)
: this(filterToClone.FilterName, filterToClone.IsEnabled)
{
foreach (var filterParameter in filterToClone.FilterParameters)
{
FilterParameters[filterParameter.Key] = filterParameter.Value;
}
}
/// <summary>
/// （重写）滤波器的参数值.
/// </summary>
/// <param name="filterName">Name of the filter</param>
/// <param name="parameterName">Parameter's name</param>
/// <param name="value">Value of the parameter to be set</param>
public void SetFilterParameter(string filterName, string parameterName, object value)
{
var filterIndex = GetFilterIndex(filterName);
var newfilter = new DataFilterConfiguration(_filters[filterIndex]);
newfilter.FilterParameters[parameterName] = value;
_filters[filterIndex] = newfilter;
ApplyFilterParameterValue(filterName, parameterName, value);
}
private void ChangeFilterIsEnabledIfNotOverrided(List<DataFilterConfiguration> filterOverrides, string filterName, bool isEnabled)
{
if (filterOverrides.Any(f => f.FilterName == filterName))
{
return;
}
var index = _filters.FindIndex(f => f.FilterName == filterName);
if (index < 0)
{
return;
}
if (_filters[index].IsEnabled == isEnabled)
{
return;
}
_filters[index] = new DataFilterConfiguration(filterName, isEnabled);
}
/// <summary>
/// 启用一个或多个数据筛选器.
///如果已启用了，则没有任何筛选器.
///如果需要的话，使用该方法在使用语句中重新禁用筛选器.
/// </summary>
/// <param name="filterNames">一个或多个过滤器名称</param>
/// <returns>收回启用效果.</returns>
public IDisposable EnableFilter(params string[] filterNames)
{
//TODO: Check if filters exists?
var enabledFilters = new List<string>();
foreach (var filterName in filterNames)
{
var filterIndex = GetFilterIndex(filterName);
if (!_filters[filterIndex].IsEnabled)
{
enabledFilters.Add(filterName);
_filters[filterIndex] = new DataFilterConfiguration(filterName, true);
}
}
enabledFilters.ForEach(ApplyEnableFilter);
return new DisposeAction(() => DisableFilter(enabledFilters.ToArray()));
}
