#region Imports
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using DPumpHydr.WinFrmUI.RLT.Util;
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using System;
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using System.Drawing;
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using static System.Net.Mime.MediaTypeNames;
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#endregion
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namespace DPumpHydr.WinFrmUI.Base
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{
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#region StepTreeNode
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public class StepTreeNode
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{
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public StepTreeNode(StepTreeView ParentTree, StepTreeNodePara paras)
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{
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this.Nodes = new ObservableList<StepTreeNode>();
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this.Text = paras.Caption;
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this.NodePara = paras;
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this._parentTree = ParentTree;
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}
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#region Event Region
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public event EventHandler<ObservableListModified<StepTreeNode>> ItemsAdded;
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public event EventHandler<ObservableListModified<StepTreeNode>> ItemsRemoved;
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public event EventHandler TextChanged;
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public event Action<StepTreeNode> NodeExpanded;
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public event Action<StepTreeNode> NodeCollapsed;
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#endregion
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#region Field Region
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private string _text;
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private StepTreeView _parentTree;
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private ObservableList<StepTreeNode> _nodes;
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private bool _expanded;
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#endregion
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#region Property Region
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public string Text
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{
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get => _text;
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set
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{
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if (_text == value)
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{
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return;
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}
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_text = value;
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}
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}
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public Rectangle ExpandArea { get; set; }
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public Rectangle IconArea { get; set; }
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public Rectangle TextArea { get; set; }
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public Rectangle FullArea { get; set; }
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public bool IsHover { get; set; } = false;
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public System.Drawing.Image Icon { get; set; }
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public bool Expanded
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{
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get => _expanded;
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set
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{
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if (_expanded == value)
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{
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return;
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}
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if (value == true && Nodes.Count == 0)
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{
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return;
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}
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_expanded = value;
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if (_expanded)
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{
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NodeExpanded?.Invoke(this);
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}
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else
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{
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NodeCollapsed?.Invoke(this);
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}
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}
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}
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public ObservableList<StepTreeNode> Nodes
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{
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get => _nodes;
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set
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{
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_nodes = value;
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}
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}
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public bool IsRoot { get; set; }
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public StepTreeView ParentTree
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{
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get => _parentTree;
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set
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{
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if (_parentTree == value)
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{
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return;
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}
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_parentTree = value;
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foreach (StepTreeNode node in Nodes)
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{
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node.ParentTree = _parentTree;
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}
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}
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}
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public StepTreeNode ParentNode { get; set; }
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public bool Odd { get; set; }
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public object NodeType { get; set; }
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public StepTreeNodePara NodePara { get; set; }
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public string FullPath
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{
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get
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{
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StepTreeNode parent = ParentNode;
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string path = Text;
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while (parent != null)
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{
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path = string.Format("{0}{1}{2}", parent.Text, "\\", path);
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parent = parent.ParentNode;
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}
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return path;
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}
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}
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public StepTreeNode PrevVisibleNode { get; set; }
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public StepTreeNode NextVisibleNode { get; set; }
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public int VisibleIndex { get; set; }
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public bool IsNodeAncestor(StepTreeNode node)
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{
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StepTreeNode parent = ParentNode;
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while (parent != null)
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{
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if (parent == node)
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{
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return true;
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}
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parent = parent.ParentNode;
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}
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return false;
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}
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#endregion
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#region Method Region
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//public void Remove()
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//{
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// if (ParentNode != null)
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// {
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// ParentNode.Nodes.Remove(this);
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// }
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// else
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// {
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// ParentTree.Nodes.Remove(this);
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// }
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//}
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public void EnsureVisible()
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{
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StepTreeNode parent = ParentNode;
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while (parent != null)
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{
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parent.Expanded = true;
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parent = parent.ParentNode;
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}
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}
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#endregion
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}
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#endregion
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}
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