namespace Yw.WinFrmUI
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{
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/// <summary>
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///
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/// </summary>
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public static class TreeListExtensions
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{
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/// <summary>
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/// 根据 client point 获取节点
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/// </summary>
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public static TreeListNode GetNodeByCP(this TreeList rhs, Point cp)
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{
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Point pt = rhs.PointToClient(cp);
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DevExpress.XtraTreeList.TreeListHitInfo ht = rhs.CalcHitInfo(pt);
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TreeListNode node = ht.Node;
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if (node is TreeListAutoFilterNode)
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{
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return null;
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}
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return node;
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}
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/// <summary>
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/// 初始化默认设置
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/// </summary>
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/// <param name="rhs"></param>
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/// <param name="height"></param>
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public static void InitialDefaultSettings(this TreeList rhs, int height = 30)
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{
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rhs.OptionsBehavior.Editable = false;
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rhs.OptionsBehavior.ReadOnly = true;
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rhs.OptionsSelection.EnableAppearanceFocusedCell = false;
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rhs.OptionsMenu.EnableNodeMenu = false;
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rhs.OptionsView.FocusRectStyle = DevExpress.XtraTreeList.DrawFocusRectStyle.None;
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rhs.OptionsSelection.SelectNodesOnRightClick = true;
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rhs.ViewStyle = TreeListViewStyle.TreeView;
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rhs.RowHeight = height;
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}
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/// <summary>
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/// 初始化多选框设置
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/// </summary>
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/// <param name="rhs"></param>
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/// <param name="checkBoxFieldName"></param>
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/// <param name="height"></param>
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public static void InitialDefaultMultiSelectSettings(this TreeList rhs, string checkBoxFieldName = "Checked", int height = 30)
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{
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InitialDefaultSettings(rhs, height);
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rhs.CheckBoxFieldName = checkBoxFieldName;//多选框绑定列名
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rhs.OptionsBehavior.AllowRecursiveNodeChecking = true;//获取或设置父节点时是否自动检查/取消检查子节点
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rhs.OptionsView.CheckBoxStyle = DevExpress.XtraTreeList.DefaultNodeCheckBoxStyle.Check;//设置勾选框样式
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}
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/// <summary>
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/// 初始化可编辑视图
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/// </summary>
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public static void InitialBindingNormalEditView(this TreeList rhs, int height = 30)
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{
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rhs.OptionsSelection.EnableAppearanceFocusedCell = false;
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rhs.OptionsMenu.EnableNodeMenu = false;
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rhs.OptionsView.FocusRectStyle = DevExpress.XtraTreeList.DrawFocusRectStyle.None;
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rhs.OptionsSelection.SelectNodesOnRightClick = true;
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rhs.OptionsMenu.EnableColumnMenu = false;
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rhs.Appearance.HeaderPanel.TextOptions.HAlignment = DevExpress.Utils.HorzAlignment.Center;
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rhs.Appearance.Row.TextOptions.HAlignment = DevExpress.Utils.HorzAlignment.Near;
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rhs.RowHeight = height;
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}
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/// <summary>
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/// 多列显示设置
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/// </summary>
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/// <param name="rhs"></param>
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/// <param name="height"></param>
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public static void InitialMultiColSettings(this TreeList rhs, int height = 30)
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{
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rhs.OptionsBehavior.Editable = false;
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rhs.OptionsBehavior.ReadOnly = true;
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rhs.OptionsSelection.EnableAppearanceFocusedCell = false;
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rhs.OptionsMenu.EnableNodeMenu = false;
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rhs.OptionsView.FocusRectStyle = DevExpress.XtraTreeList.DrawFocusRectStyle.None;
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rhs.OptionsSelection.SelectNodesOnRightClick = true;
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rhs.OptionsMenu.EnableColumnMenu = false;
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rhs.Appearance.HeaderPanel.TextOptions.HAlignment = DevExpress.Utils.HorzAlignment.Center;
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rhs.Appearance.Row.TextOptions.HAlignment = DevExpress.Utils.HorzAlignment.Center;
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rhs.RowHeight = height;
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}
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/// <summary>
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/// 初始化多选框设置
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/// </summary>
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/// <param name="rhs"></param>
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/// <param name="checkBoxFieldName"></param>
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/// <param name="height"></param>
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public static void InitialMultiColMultiSelectSettings(this TreeList rhs, string checkBoxFieldName = "Checked", int height = 30)
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{
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InitialDefaultSettings(rhs, height);
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rhs.CheckBoxFieldName = checkBoxFieldName;//多选框绑定列名
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rhs.OptionsBehavior.AllowRecursiveNodeChecking = true;//获取或设置父节点时是否自动检查/取消检查子节点
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rhs.OptionsView.CheckBoxStyle = DevExpress.XtraTreeList.DefaultNodeCheckBoxStyle.Check;//设置勾选框样式
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}
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/// <summary>
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/// 渐变色
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/// </summary>
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/// <param name="rhs"></param>
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/// <param name="bgColor"></param>
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/// <param name="foreColor"></param>
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public static void RegistCustomDrawNodeCell(this TreeList rhs, System.Drawing.Color? bgColor = null, System.Drawing.Color? foreColor = null)
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{
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if (bgColor == null)
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bgColor = System.Drawing.Color.FromArgb(0, 122, 204);
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if (foreColor == null)
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foreColor = System.Drawing.Color.White;
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rhs.CustomDrawNodeCell += (sender, e) =>
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{
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if (e.Node == (sender as TreeList).FocusedNode)
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{
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e.Appearance.BackColor = bgColor.Value;
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e.Appearance.ForeColor = foreColor.Value;
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}
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};
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}
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/// <summary>
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/// 获取当前数据行
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/// </summary>
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public static T GetCurrentViewModel<T>(this TreeList tree, IEnumerable<T> source) where T : class
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{
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if (source == null)
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return default;
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if (source.Count() < 1)
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{
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return default;
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}
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var row = tree.GetFocusedRow() as T;
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if (row == null)
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{
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return null;
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}
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return row;
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}
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/// <summary>
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/// 设置拖拽状态下的普通视图
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/// </summary>
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public static void SetDragViewModels<t>(this TreeList rhs) where t : class
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{
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rhs.DragDrop += (sender, e) =>
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{
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TreeListNode node = (TreeListNode)e.Data.GetData(typeof(TreeListNode));
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if (node == null) return;
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TreeList list = (TreeList)sender;
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if (list == node.TreeList) return;
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TreeListHitInfo info = list.CalcHitInfo(list.PointToClient(new Point(e.X, e.Y)));
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InsertBrush(list, node, info.Node == null ? -1 : info.Node.Id);
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};
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}
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private static void InsertBrush(TreeList list, TreeListNode node, int parent)
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{
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ArrayList data = new ArrayList();
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foreach (TreeListColumn column in node.TreeList.Columns)
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{
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data.Add(node[column]);
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}
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parent = list.AppendNode(data.ToArray(), parent).Id;
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if (node.HasChildren)
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foreach (TreeListNode n in node.Nodes)
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InsertBrush(list, n, parent);
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}
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}
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}
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