using DevExpress.XtraTreeList;
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using DevExpress.XtraTreeList.Nodes;
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using Gs.DevApp.Entity;
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using Gs.DevApp.ToolBox;
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using Newtonsoft.Json;
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using System;
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using System.Collections.Generic;
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using System.Data;
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using System.Windows.Forms;
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namespace Gs.DevApp.DevFrm.Work
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{
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public partial class UcDictionarySelect : DevExpress.XtraEditors.XtraForm
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{
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private List<dynamic> lstCheckedKeyID = new List<dynamic>();//选择集合
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string strTitle = "";
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string strWhere = "";
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public UcDictionarySelect(string _strTitle, string _strWhere)
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{
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InitializeComponent();
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this.strTitle = _strTitle;
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this.strWhere = _strWhere;
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this.Text = _strTitle;
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getTree();
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tlMenu.CustomDrawNodeCheckBox += TreeList1_CustomDrawNodeCheckBox;
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// tlMenu.OptionsBehavior.Editable = true;
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tlMenu.OptionsSelection.EnableAppearanceFocusedCell = false;
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// tlMenu.OptionsSelection.MultiSelect = true;
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// tlMenu.OptionsSelection.MultiSelectMode = TreeListMultiSelectMode.CellSelect;
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btnIn.Click += (s, e) =>
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{
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findOrigin(tlMenu);
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var list = new List<dynamic>();
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foreach (dynamic key in lstCheckedKeyID)
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{
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list.Add(new
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{
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dicCode = key.dicCode,
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dicTxt = key.dicTxt
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});
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};
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UpdateParent?.Invoke(this, new UpdateParentEventArgs { DynamicList = list });
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Close();
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};
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tlMenu.IndicatorWidth = 50;
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tlMenu.CustomDrawNodeIndicator += (s, ee) =>
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{
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if (ee.IsNodeIndicator)
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{
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var index = ee.Node.TreeList.GetVisibleIndexByNode(ee.Node);
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ee.Info.DisplayText = (index + 1).ToString();
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}
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};
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}
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/// <summary>
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/// 选择后的回调事件
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/// </summary>
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public event EventHandler<UpdateParentEventArgs> UpdateParent;
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private void TreeList1_CustomDrawNodeCheckBox(object sender, DevExpress.XtraTreeList.CustomDrawNodeCheckBoxEventArgs e)
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{
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// 判断当前节点是否为叶子节点（无子节点）
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if (e.Node.Nodes.Count == 0)
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{
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// 允许绘制复选框（默认行为）
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}
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else
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{
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// 取消绘制复选框
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e.Handled = true;
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}
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}
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// 可选：处理节点展开事件，确保动态加载的子节点生效
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private void treeList1_BeforeExpand(object sender, BeforeExpandEventArgs e)
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{
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// 若子节点是动态加载的，在此处加载数据
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// LoadChildNodes(e.Node);
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}
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/// <summary>
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/// 读取列表
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/// </summary>
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private void getTree()
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{
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string _where = " and 1=1 and " + this.strWhere;
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var pgq = new PageQueryModel(1, 999999, "a.defect_name", "asc", "", _where);
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var json = JsonConvert.SerializeObject(pgq);
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try
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{
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var strReturn =
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UtilityHelper.HttpPost("", "MesDefectCodeManager/GetListPage", json);
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var dd = UtilityHelper.ReturnToTablePage(strReturn);
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var dt = dd.rtnData.list;
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tlMenu.DataSource = dt;
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tlMenu.KeyFieldName = "guid";
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tlMenu.ParentFieldName = "pid";
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tlMenu.Tag = "defectName";
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tlMenu.EndUpdate();
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this.tlMenu.CollapseAll();
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// tlMenu.OptionsBehavior.Editable = true;
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tlMenu.OptionsBehavior.AllowRecursiveNodeChecking = false;
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tlMenu.BestFitColumns();
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}
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catch (Exception ex)
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{
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MsgHelper.Warning("提示：" + ex.Message);
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}
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}
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#region MyRegion
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/// <summary>
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/// 获取选择状态的数据主键ID集合
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/// </summary>
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/// <param name="parentNode">父级节点</param>
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private void GetCheckedKeyID(TreeListNode parentNode)
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{
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if (parentNode.Nodes.Count == 0)
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{
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if (parentNode.CheckState == CheckState.Checked)
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{
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DataRowView drv = tlMenu.GetDataRecordByNode(parentNode) as DataRowView;//关键代码，就是不知道是这样获取数据而纠结了很久(鬼知道可以转换为DataRowView啊)
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if (drv != null)
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{
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string KeyFieldName = (string)drv["defectName"];
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string dicCode = (string)drv["defectCode"];
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lstCheckedKeyID.Add(new
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{
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dicCode = dicCode,
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dicTxt = KeyFieldName
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});
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}
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}
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return;//递归终止
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}
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foreach (TreeListNode node in parentNode.Nodes)
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{
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if (node.CheckState == CheckState.Checked && parentNode.Nodes.Count == 0)
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{
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DataRowView drv = tlMenu.GetDataRecordByNode(node) as DataRowView;//关键代码，就是不知道是这样获取数据而纠结了很久(鬼知道可以转换为DataRowView啊)
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if (drv != null)
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{
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string KeyFieldName = (string)drv["defectName"];
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string dicCode = (string)drv["defectCode"];
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lstCheckedKeyID.Add(new
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{
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dicCode = dicCode,
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dicTxt = KeyFieldName
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});
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}
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}
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GetCheckedKeyID(node);
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}
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}
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/// <summary>
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/// 获取选中的节点
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/// </summary>
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/// <param name="tree"></param>
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private void findOrigin(DevExpress.XtraTreeList.TreeList tree)
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{
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this.lstCheckedKeyID.Clear();
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if (tree.Nodes.Count > 0)
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{
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foreach (TreeListNode root in tree.Nodes)
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{
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GetCheckedKeyID(root);
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}
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}
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}
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#endregion
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}
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}
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