/// <summary>
/// 生成GridTreeView列对象
/// </summary>
/// <param name="meta"></param>
/// <returns></returns>
public TreeColumn Create(WPFEntityPropertyViewMeta meta)
{
//根据editorName生成对应的Column
var treeColumn = this.CreateInstance(meta.GetEditorNameOrDefault()) ?? new CommonTreeColumn();
treeColumn.Meta = meta;
var editor = this._propertyEditorFactory.Create(meta, true);
treeColumn.Editor = editor;
//使用 PropertyEditor 来生成 Binding 的原因是：
//如果是下拉框、则不能直接使用默认的绑定方案。
treeColumn.Binding = CreateBindingByEditor(editor);
treeColumn.HeaderLabel = (meta.Label ?? meta.Name).Translate();
treeColumn.PropertyName = meta.Name;
treeColumn.SortingProperty = meta.DisplayPath();
treeColumn.DisplayTextBlockStyle = TypeHelper.IsNumber(TypeHelper.IgnoreNullable(meta.PropertyMeta.Runtime.PropertyType)) ?
RafyResources.TreeColumn_TextBlock_Number : RafyResources.TreeColumn_TextBlock;
//宽度
if (meta.GridWidth.HasValue)
{
treeColumn.Width = meta.GridWidth.Value;
}
return(treeColumn);
}
protected virtual string ReadProperty(WPFEntityPropertyViewMeta property)
{
var data = string.Empty;
try
{
if (property.IsReference)
{
var displayPath = property.DisplayPath();
var value = ObjectHelper.GetPropertyValue(this._currentRow, displayPath);
if (value != null)
{
data = value.ToString();
}
}
else
{
var mp = property.PropertyMeta.ManagedProperty;
if (mp != null)
{
var value = this._currentRow.GetProperty(mp);
if (value != null)
{
if (TypeHelper.IsEnumNullable(mp.PropertyType))
{
data = EnumViewModel.EnumToLabel((Enum)value).Translate();
}
else
{
data = value.ToString();
}
}
}
}
}
catch
{
//尽量尝试读取值，读取出错，则忽略错误。
}
return(data);
}