【NET】Winform用户控件的初步封装之编辑控件
编辑控件
1 public abstract partial class TEditorBase <TEntity, TRepository, TSqlStrConstruct> : UserControl 2 where TEntity:Yom.Extend.Entity.EntityBase 3 where TRepository : Yom.Extend.Repository.RepositoryBaseRepository<TEntity, TSqlStrConstruct> 4 where TSqlStrConstruct : Huawei.Data.SqlStrConstruct 5 { 6 protected TRepository repository = System.Activator.CreateInstance<TRepository>(); 7 public TEditorBase() 8 { 9 InitializeComponent(); 10 11 this.gpxTitle.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) 12 | System.Windows.Forms.AnchorStyles.Left) 13 | System.Windows.Forms.AnchorStyles.Right))); 14 } 15 string key; 16 public string Key 17 { 18 get { 19 return key; 20 } 21 set { 22 if (string.IsNullOrEmpty(value)) { 23 return; 24 } 25 key = value; 26 Entity = this.repository.FindBy(value) as Yom.Extend.Entity.EntityBase; 27 } 28 } 29 protected abstract Action<EntityDataBindEventArgs> AfterMapDataToEntityAction 30 { 31 get; 32 } 33 protected abstract Action<EntityDataBindEventArgs> AfterMapDataToControlAction 34 { 35 get; 36 } 37 protected virtual Yom.Extend.Entity.EntityBase Entity 38 { 39 get { 40 TEntity entity = System.Activator.CreateInstance<TEntity>(); 41 entity.PropertyValueSet(this.repository.GetEntityKeyName(), this.Key); 42 DataDetailGetFromControlChildren.MapDataToEntity(entity, this, AfterMapDataToEntityAction); 43 return entity; 44 } 45 set { 46 if (value == null) 47 { 48 return; 49 } 50 51 DataDetailGetFromControlChildren.MapDataToControl(value, this, this.AfterMapDataToControlAction); 52 } 53 } 54 55 protected virtual string Title 56 { 57 get { 58 return string.Empty; 59 } 60 } 61 protected virtual bool IsValid(out string msg) 62 { 63 msg = string.Empty; 64 return true; 65 } 66 protected virtual void SaveCallBack() 67 { 68 string msg = string.Empty; 69 if (!IsValid(out msg)) 70 { 71 MessageBox.Show(msg); 72 return; 73 } 74 try 75 { 76 if (string.IsNullOrEmpty(this.Key)) 77 { 78 do 79 { 80 this.key = Guid.NewGuid().ToString(); 81 } while (this.repository.Exists(this.key)); 82 this.repository.Add(this.Entity); 83 } 84 else 85 { 86 this.repository.Update(this.Entity); 87 } 88 MessageBox.Show("保存成功!"); 89 this.Hide(); 90 this.Parent.Controls.Add(Lister); 91 this.Parent.Controls.Remove(this); 92 this.Dispose(); 93 } 94 catch (Exception ex) 95 { 96 MessageBox.Show(string.Format("保存失败：\r\n{0}", ex.Message)); 97 } 98 } 99 100 protected virtual void CancelCallBack() 101 { 102 //this.Hide(); 103 //this.Parent.Controls.Add(GetListControl()); 104 //this.Parent.Controls.Remove(this); 105 //this.Dispose(); 106 //this = null; 107 if (this.Parent.Controls.Count <= 1) 108 { 109 this.Parent.Controls.Add(this.Lister); 110 this.Parent.Controls.RemoveAt(0); 111 } 112 else 113 { 114 this.Parent.Controls[0].Show(); 115 this.Parent.Controls.RemoveAt(1); 116 } 117 } 118 119 private void bSave_Click(object sender, EventArgs e) 120 { 121 SaveCallBack(); 122 } 123 124 private void TEditorBase_Load(object sender, EventArgs e) 125 { 126 this.gpxTitle.Text = this.Title; 127 } 128 public abstract TListPager<TEntity, TRepository, TSqlStrConstruct> Lister 129 { 130 get; 131 } 132 133 private void bCancel_Click(object sender, EventArgs e) 134 { 135 CancelCallBack(); 136 } 137 }
属性赋值:
1 public class EntityDataBindEventArgs : EventArgs 2 { 3 4 public Yom.Extend.Entity.EntityBase CurrentEntity 5 { 6 get; 7 set; 8 } 9 public System.Reflection.PropertyInfo PropertyInfo 10 { 11 get; 12 set; 13 } 14 public System.Windows.Forms.Control BindControl 15 { 16 get; 17 set; 18 } 19 } 20 public class DataDetailGetFromControlChildren 21 { 22 public static void MapDataToEntity(Yom.Extend.Entity.EntityBase entity, System.Windows.Forms.Control parent, Action<EntityDataBindEventArgs> afterDataGet) 23 { 24 25 System.Reflection.PropertyInfo[] pis = entity.GetType().GetProperties(); 26 if (pis != null && pis.Length > 0) { 27 System.Windows.Forms.Control c; 28 foreach (System.Reflection.PropertyInfo pi in pis) 29 { 30 c = null; 31 try 32 { 33 c = parent.Controls.Find(pi.Name, true)[0]; 34 } 35 catch { 36 continue; 37 } 38 if (c != null) 39 { 40 entity.PropertyValueSet(pi.Name, c.Text); 41 if (afterDataGet != null) 42 { 43 afterDataGet(new EntityDataBindEventArgs() { CurrentEntity = entity, PropertyInfo = pi, BindControl = c }); 44 } 45 } 46 } 47 } 48 } 49 public static void MapDataToControl(Yom.Extend.Entity.EntityBase entity, System.Windows.Forms.Control parent, Action<EntityDataBindEventArgs> afterDataSet) 50 { 51 System.Reflection.PropertyInfo[] pis = entity.GetType().GetProperties(); 52 if (pis != null && pis.Length > 0) 53 { 54 System.Windows.Forms.Control c; 55 foreach (System.Reflection.PropertyInfo pi in pis) 56 { 57 c = null; 58 try 59 { 60 c = parent.Controls.Find(pi.Name, true)[0]; 61 } 62 catch 63 { 64 continue; 65 } 66 if (c != null) 67 { 68 if ((c is System.Windows.Forms.ComboBox) && !(c as System.Windows.Forms.ComboBox).Items.Contains(pi.GetValue(entity, null))) { 69 continue; 70 } 71 c.Text = pi.GetValue(entity, null).ToString(); 72 if (afterDataSet != null) 73 { 74 afterDataSet(new EntityDataBindEventArgs() { CurrentEntity = entity, PropertyInfo = pi,BindControl=c }); 75 } 76 } 77 } 78 } 79 } 80 }
此封装要结合之前发的那篇分页控件的文章
逻辑处理不是最终形态 仅仅是临时解决方案
