// 重置列信息
private void _ResetColumns(IEnumerable cloumns)
{
this.treeList.Columns.Clear();
if (cloumns == null)
{
return;
}
DataTemplate template = null;
foreach (IGridViewColumn c in cloumns)
{
DevExpress.Xpf.Grid.TreeListColumn column = new DevExpress.Xpf.Grid.TreeListColumn();
column.Header = c.Header;
column.Width = c.Width;
if (c.IsSort && !c.FieldName.IsNullOrEmptyOrWhiteSpace())
{
column.FieldName = c.FieldName;
}
DataTemplate temp = null;
IGridViewCellTemplateProvider _proverder = null;
foreach (IGridViewCellTemplateProvider proverder in this._providers)
{
temp = proverder.CreateCellTemplate(c);
if (temp != null)
{
template = temp;
_proverder = proverder;
}
}
if (_proverder == null || template == null)
{
throw new Exception("No suitable proverder.");
}
column.CellTemplate = template;
column.Tag = c;
c.Column = column;
Binding binding = new Binding();
binding.Source = c;
binding.Path = new PropertyPath("IsVisible");
column.SetBinding(GridColumn.VisibleProperty, binding);
this.treeList.Columns.Add(column);
}
}
/// <summary>
/// 移除单元格模版生成器
/// </summary>
/// <param name="provider">列样式生成器</param>
public void RemoveCellTemplateProvider(IGridViewCellTemplateProvider provider)
{
this._providers.Remove(provider);
}
/// <summary>
/// 添加单元格模版生成器
/// </summary>
/// <param name="provider">列样式生成器</param>
public void AddCellTemplateProvider(IGridViewCellTemplateProvider provider)
{
this._providers.Add(provider);
}