protected override DataTemplate SelectTemplateCore(object item, DependencyObject container)
{
ControlDataItem controlDataItem = item as ControlDataItem;
if (controlDataItem != null)
{
if (controlDataItem.Index % 3 == 0)
{
return(BigItemTemplate);
}
else
{
return(MediumItemTemplate);
}
}
return(base.SelectTemplateCore(item, container));
}
}//页面显示的内容
private void ModelToControlDataSource(bool isnew)
{
try
{
this.ControlDataSource.Clear(); //先清空
var model = this.SelectedItem == null ? this.OperationObject : this.SelectedItem; //无论是否有值，只要有类型即可
foreach (var item in model.GetType().GetProperties())
{
var list = item.GetCustomAttributes(typeof(UIIsEditInput), true);
if (list.Count() > 0) //需要用户输入的属性，才需要生成
{
ControlDataItem cdi = new ControlDataItem(); //一个绑定
//1、添加属性名称
cdi.PropertyName = item.Name;
//获取属性的UI显示名称
var l1 = item.GetCustomAttributes(typeof(UIName), true);
UIName p1 = l1.Count() > 0 ? l1[0] as UIName : null;
string uiName = p1 == null ? item.Name : p1.Name;//如果UI显示名称是空，则按照属性名称显示
//2、设置显示名
cdi.DisplayName = uiName;
//3、显示必填提示
var l1l2 = item.GetCustomAttributes(typeof(ValidNotNull), true);
ValidNotNull p1p2 = l1l2.Count() > 0 ? l1l2[0] as ValidNotNull : null;
Visibility v = p1p2 == null ? Visibility.Hidden : Visibility.Visible;//如果有必填要求，则显示必填提示
cdi.VisibleNotNull = v;
//3、设置类型
var l2 = item.GetCustomAttributes(typeof(UIEditControlType), true);
UIEditControlType p2 = l2.Count() > 0 ? l2[0] as UIEditControlType : null;
cdi.ControlType = p2 == null ? EnDic_EditControlType.文本框 : p2.ControlType;
//4、设置数据源
switch (cdi.ControlType)
{
case EnDic_EditControlType.拉框:
break;
case EnDic_EditControlType.单选框:
break;
case EnDic_EditControlType.框:
break;
case EnDic_EditControlType.字典下拉框:
cdi.Source = Customer.Utility.ComboboxUtility.GetEnDicCombobox(item); //字典解析为集合
break;
case EnDic_EditControlType.文本框:
break;
case EnDic_EditControlType.时间控件:
break;
case EnDic_EditControlType.空:
break;
case EnDic_EditControlType.取文件:
break;
case EnDic_EditControlType.取路径:
break;
default:
break;
}
//5、根据是新增还是修改，来处理数据加载
if (!isnew)
{
//获取当前属性值
object proValue = item.GetValue(model);
if (proValue != null)
{
if ((cdi.ControlType == EnDic_EditControlType.拉框 || cdi.ControlType == EnDic_EditControlType.字典下拉框))
{
if (cdi.Source != null)
{
var itemlists = ((ObservableCollection <dynamic>)cdi.Source);
cdi.CurrentValue = itemlists.FirstOrDefault(p => p.Text == proValue.ToString());
}
}
else
{
cdi.CurrentValue = proValue;
}
}
}
//6、处理默认选中的情况（新增时，需要处理）
if (cdi.Source != null && cdi.CurrentValue == null)
{
cdi.CurrentValue = ((ObservableCollection <dynamic>)cdi.Source).FirstOrDefault();
}
//添加到数据解析集合
this.ControlDataSource.Add(cdi);
}
}
}
catch (Exception)
{
this.ControlDataSource = new ObservableCollection <ControlDataItem>();
}
}
