using IStation.Untity;
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using System;
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using System.ComponentModel;
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using System.Linq;
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namespace IStation.WinFrmUI.Basic
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{
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public partial class SignalTypeTreeListLookUpEdit : DevExpress.XtraEditors.XtraUserControl
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{
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public SignalTypeTreeListLookUpEdit()
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{
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InitializeComponent();
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this.treeListLookUpEdit1.EditValueChanged += treeListLookUpEdit1_EditValueChanged;
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this.treeListLookUpEdit1TreeList.InitialDefaultSettings();
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this.treeListLookUpEdit1TreeList.SelectImageList = ImageLib.Lib;
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this.treeListLookUpEdit1TreeList.OptionsView.ShowIndicator = false;
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this.treeListLookUpEdit1.Properties.BestFitMode = DevExpress.XtraEditors.Controls.BestFitMode.BestFitResizePopup;
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}
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public class CurrentViewModel
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{
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public CurrentViewModel() { }
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public CurrentViewModel(Model.SignalTypeGroup rhs)
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{
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this.ID = rhs.ID;
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this.Name = rhs.Name;
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this.ParentID = TreeParentIdsHelper.GetLastParentID(rhs.ParentIds);
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this.Identifier = string.Empty;
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this.ImageIndex = ImageLib.Group;
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this.IsGroup = true;
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this.Model = rhs;
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}
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public CurrentViewModel(Model.SignalType rhs)
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{
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this.ID = rhs.ID;
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this.Name = rhs.Name;
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this.ParentID = rhs.GroupID;
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this.Identifier = rhs.Identifier;
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this.ImageIndex = ImageLib.SignalType;
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this.IsGroup = false;
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this.Model = rhs;
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}
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public long ID { get; set; }
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public string Name { get; set; }
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public string Identifier { get; set; }
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public long ParentID { get; set; }
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public int ImageIndex { get; set; }
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public bool IsGroup { get; set; }
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public object Model { get; set; }
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}
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/// <summary>
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/// 选择项
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/// </summary>
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public Model.SignalType Selected { get => _selected; }
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private Model.SignalType _selected { get; set; }
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/// <summary>
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/// 选择项变换
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/// </summary>
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public event Action<Model.SignalType> SelectedChangedEvent;
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private BindingList<CurrentViewModel> _allBindingList { get; set; }
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/// <summary>
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/// 绑定数据
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/// </summary>
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public void SetBindingData(string identifier = null)
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{
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_allBindingList = new BindingList<CurrentViewModel>();
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var signalTypeGroups = new BLL.SignalTypeGroup().GetAll();
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if (signalTypeGroups != null && signalTypeGroups.Count > 0)
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{
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foreach (var item in signalTypeGroups)
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{
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var vm = new CurrentViewModel(item);
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_allBindingList.Add(vm);
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}
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}
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var signalTypes = new BLL.SignalType().GetAll();
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if (signalTypes != null && signalTypes.Count > 0)
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{
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foreach (var item in signalTypes)
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{
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var vm = new CurrentViewModel(item);
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_allBindingList.Add(vm);
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}
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}
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this.currentViewModelBindingSource.DataSource = _allBindingList;
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if (signalTypes != null && signalTypes.Any())
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{
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if (identifier == null)
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{
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identifier = signalTypes.First().Identifier;
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}
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var vm = _allBindingList.Where(x => x.Identifier == identifier).FirstOrDefault();
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if (vm != null)
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{
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this.treeListLookUpEdit1.EditValue = vm.ID;
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SelectedChanged(vm);
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}
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}
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this.treeListLookUpEdit1TreeList.ExpandAll();
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}
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//选择对象变换
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private void SelectedChanged(CurrentViewModel vm)
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{
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_selected = vm?.Model as Model.SignalType;
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if (SelectedChangedEvent != null)
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{
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this.SelectedChangedEvent(_selected);
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}
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}
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//选中前
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private void treeListLookUpEdit1TreeList_BeforeFocusNode(object sender, DevExpress.XtraTreeList.BeforeFocusNodeEventArgs e)
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{
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var vm = this.treeListLookUpEdit1TreeList.GetDataRecordByNode(e.Node) as CurrentViewModel;
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if (vm != null)
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{
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e.CanFocus = !vm.IsGroup;
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}
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}
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//值变换
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private void treeListLookUpEdit1_EditValueChanged(object sender, EventArgs e)
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{
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var vm = this.treeListLookUpEdit1TreeList.GetCurrentViewModel(_allBindingList);
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if (vm != null)
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{
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SelectedChanged(vm);
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}
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}
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}
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}
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