/// <summary>
///
/// </summary>
/// <param name="action">新的操作名称</param>
/// <param name="typeFldName">类别字段名称</param>
/// <param name="typeID">类别值</param>
private int AddOperate(string action, int typeID)
{
CustomConcatenatedField f = (CustomConcatenatedField)base.Field;
string lstID = f.LookupList;
SPSite s = SPControl.GetContextSite(Context);
int itemID = 0;
SPWeb lookupWeb = SPControl.GetContextWeb(Context);
int userID = lookupWeb.CurrentUser.ID;
SPField typeFld = GetCascadedField;
SPSecurity.RunWithElevatedPrivileges(delegate()
{
using (SPSite site = new SPSite(lookupWeb.Site.ID))
{
using (SPWeb web = site.AllWebs[lookupWeb.ID])
{
SPList lookupList = web.Lists[new Guid(lstID)];
SPListItem addItem = lookupList.Items.Add();
addItem["Title"] = action;
addItem[typeFld.Title] = typeID;
addItem[lookupList.Fields.GetFieldByInternalName("Flag").Title] = "11";
addItem["Author"] = userID;
web.AllowUnsafeUpdates = true;
addItem.Update();
web.AllowUnsafeUpdates = false;
itemID = addItem.ID;
}
}
});
return(itemID);
}
private void InitControls(int id = 0, int level = 2)
{
bool multiLevel = MultiLevel;
CustomConcatenatedField f = (CustomConcatenatedField)base.Field;
SPFieldLookup fldParent = GetCascadedField;
string parentField = multiLevel ? fldParent.InternalName : "";
List <ListItem> itemDesc = new List <ListItem>();
ListItem[] cateItems = GetListItems(fldParent.LookupList, fldParent.LookupField, parentField, 0, ref itemDesc);
DropDownList1.Items.Clear();
DropDownList1.Items.AddRange(cateItems);//顶级先填充
ddlDes.Items.Clear();
if (itemDesc.Count > 0)
{
ddlDes.Items.AddRange(itemDesc.ToArray());
}
if (f.SPLookupWidth != "")
{
DropDownList1.Width = int.Parse(f.SPLookupWidth);
}
//顶级不变，从第二开始
List <int> selectdValues = new List <int>();
if (id > 0)//以前有值
{
selectdValues.Add(id);
GetSeletedParentIDs(id, multiLevel, ref selectdValues);
selectdValues.Reverse(); //自下而上改为自上而下
if (selectdValues[0] == -1) //处理操作被删除的情况
{
selectdValues[0] = int.Parse(DropDownList1.Items[0].Value);
}
DropDownList1.SelectedValue = selectdValues[0].ToString();
}
else//以前无值
{
id = int.Parse(DropDownList1.SelectedValue);//查找以当前ID为父ID的项
selectdValues.Add(id);
GetAllIDs(id, multiLevel, ref selectdValues);
}
if (ddlDes.Items.Count > 0)
{
spanDesc.InnerText = ddlDes.Items[DropDownList1.SelectedIndex].Text;
}
FillChildLevel(selectdValues, level);
}
/// <summary>
/// 自上而下获取ID
/// </summary>
/// <param name="parentID"></param>
/// <param name="ids"></param>
private void GetAllIDs(int parentID, bool multiLevel, ref List <int> ids)
{
CustomConcatenatedField f = (CustomConcatenatedField)base.Field;
SPFieldLookup fld = GetCascadedField;
int id = GetListItemsOfFirstID(f.LookupList, f.LookupField, fld.InternalName, parentID);
if (id > 0)
{
ids.Add(id);
if (multiLevel)
{
GetAllIDs(id, multiLevel, ref ids);
}
}
}
void IFieldEditor.OnSaveChange(SPField field, bool isNewField)
{
this.EnsureChildControls();
if (field != null)
{
CustomConcatenatedField _f = field as CustomConcatenatedField;
SPSite _site = SPControl.GetContextSite(this.Context);
SPWeb _web = _site.OpenWeb();
_f.LookupWebId = _web.ID;
_f.LookupList = ddlListName.SelectedValue;
_f.LookupField = ddlFieldName.SelectedValue;
_f.SPLookupList = ddlListName.SelectedValue;
_f.SPLookupField = ddlFieldName.SelectedValue;
_f.SPLookupWidth = txtWidth.Text;
}
}
//编辑字段配置信息绑定到控件上
void IFieldEditor.InitializeWithField(SPField field)
{
if (!Page.IsPostBack)
{
this.EnsureChildControls();
BindSPListFieldData(ddlListName);
if (ddlListName.Items.Count > 0 && ddlFieldName.Items.Count == 0)
{
FillListFields(ddlListName.Items[0].Value);
}
}
if (!Page.IsPostBack && field != null)
{
CustomConcatenatedField fields = (CustomConcatenatedField)field;
this.ddlListName.SelectedValue = fields.SPLookupList;
ddlFieldName.SelectedValue = fields.SPLookupField;
txtWidth.Text = fields.SPLookupWidth;
}
ddlListName.AutoPostBack = true;
ddlListName.SelectedIndexChanged += DdlListName_SelectedIndexChanged;
}
/// <summary>
/// 填充自上向下的级别数
/// </summary>
/// <returns></returns>
private void FillChildLevel(List <int> selectedValues, int level)
{
CustomConcatenatedField f = (CustomConcatenatedField)base.Field;
SPFieldLookup fld = GetCascadedField;
ListItem[] items;
bool multiLevel = MultiLevel;
int tEnd = selectedValues.Count - 1;//只有两级时，查阅项字段在另一个列表中，否则遍历会进入死
bool allowAdd = false;
if (tEnd == 0)//类别下操作为空，会出错2018-11-16
{
tEnd = 1;
allowAdd = true;
}
//循环
string ddlID;
if (multiLevel)
{
tEnd = selectedValues.Count;
}
int parentID;
HtmlTableRow row;
HtmlTableCell cell;
for (int i = 0; i < tEnd; i++)
{
parentID = selectedValues[i];
List <ListItem> lstDesc = new List <System.Web.UI.WebControls.ListItem>();
items = GetListItems(f.LookupList, f.LookupField, fld.InternalName, parentID, ref lstDesc);
ddlID = "DropDownList" + level;
this.ddlNew = (DropDownList)TemplateContainer.FindControl(ddlID);
if (items.Length > 0 || allowAdd)//还有下一级
{
if (ddlNew == null)
{
ddlNew = new DropDownList();
ddlNew.ID = ddlID;
if (f.SPLookupWidth != "")
{
ddlNew.Width = int.Parse(f.SPLookupWidth);
}
row = new HtmlTableRow();
cell = new HtmlTableCell();
cell.Controls.Add(ddlNew);
row.Cells.Add(cell);
tblLevel.Rows.Add(row);
cell = new HtmlTableCell();
row.Cells.Add(cell);
tblLevel.Rows.Add(row);
}
else
{
if (f.SPLookupWidth != "")
{
ddlNew.Width = int.Parse(f.SPLookupWidth);
}
}
if (multiLevel)
{
ddlNew.AutoPostBack = true;
ddlNew.SelectedIndexChanged += Ddl_SelectedIndexChanged;
}
ddlNew.Items.Clear();
ddlNew.Items.AddRange(items);
if ((i + 1) < selectedValues.Count)
{
ddlNew.SelectedValue = selectedValues[i + 1].ToString();
}
level = level + 1;
}
}
//保留最后一级的选项
if (multiLevel)
{
ViewState["lastID"] = selectedValues[tEnd - 1].ToString();//保留最后一级当前所选ID，临时的
//txtCustAction.Visible = false;
spanTxtDesc.Visible = false;
}
else//二级的，添加自定义操作
{
ViewState["lastID"] = null;
this.txtCustAction = (TextBox)TemplateContainer.FindControl("txtNewAction");//动态加的
if (txtCustAction == null)
{
TextBox txtNewAction = new TextBox();
txtNewAction.ID = "txtNewAction";
if (f.SPLookupWidth != "")
{
txtNewAction.Width = int.Parse(f.SPLookupWidth) - 10;
}
//txtCustAction.Visible = true;
tblLevel.Rows[level - 2].Cells[1].Controls.Add(txtNewAction);
}
spanTxtDesc.Visible = true;
}
//原来的是三级，更改选项后变成了两级，级别减少了
for (int j = tblLevel.Rows.Count; j >= level; j--)
{
tblLevel.Rows.RemoveAt(j - 1);
}
}