【NET】Winform用户控件的初步封装之编辑控件

编辑控件

 public abstract partial class TEditorBase <TEntity, TRepository, TSqlStrConstruct> : UserControl
         where TEntity:Yom.Extend.Entity.EntityBase
         where TRepository : Yom.Extend.Repository.RepositoryBaseRepository<TEntity, TSqlStrConstruct>
         where TSqlStrConstruct : Huawei.Data.SqlStrConstruct
     {
         protected TRepository repository = System.Activator.CreateInstance<TRepository>();
         public TEditorBase()
         {
             InitializeComponent();

             this.gpxTitle.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom)
                         | System.Windows.Forms.AnchorStyles.Left)
                         | System.Windows.Forms.AnchorStyles.Right)));
         }
         string key;
         public string Key
         {
             get {
                 return key;
             }
             set {
                 if (string.IsNullOrEmpty(value)) {
                     return;
                 }
                 key = value;
                 Entity = this.repository.FindBy(value) as Yom.Extend.Entity.EntityBase;
             }
         }
         protected abstract Action<EntityDataBindEventArgs> AfterMapDataToEntityAction
         {
             get;
         }
         protected abstract Action<EntityDataBindEventArgs> AfterMapDataToControlAction
         {
             get;
         }
         protected virtual Yom.Extend.Entity.EntityBase Entity
         {
             get {
                 TEntity entity = System.Activator.CreateInstance<TEntity>();
                 entity.PropertyValueSet(this.repository.GetEntityKeyName(), this.Key);
                 DataDetailGetFromControlChildren.MapDataToEntity(entity, this, AfterMapDataToEntityAction);
                 return entity;
             }
             set {
                 if (value == null)
                 {
                     return;
                 }

                 DataDetailGetFromControlChildren.MapDataToControl(value, this, this.AfterMapDataToControlAction);
             }
         }

         protected virtual string Title
         {
             get {
                 return string.Empty;
             }
         }
         protected virtual bool IsValid(out string msg)
         {
             msg = string.Empty;
             return true;
         }
         protected virtual void SaveCallBack()
         {
             string msg = string.Empty;
             if (!IsValid(out msg))
             {
                 MessageBox.Show(msg);
                 return;
             }
             try
             {
                 if (string.IsNullOrEmpty(this.Key))
                 {
                     do
                     {
                         this.key = Guid.NewGuid().ToString();
                     } while (this.repository.Exists(this.key));
                     this.repository.Add(this.Entity);
                 }
                 else
                 {
                     this.repository.Update(this.Entity);
                 }
                 MessageBox.Show("保存成功!");
                 this.Hide();
                 this.Parent.Controls.Add(Lister);
                 this.Parent.Controls.Remove(this);
                 this.Dispose();
             }
             catch (Exception ex)
             {
                 MessageBox.Show(string.Format("保存失败：\r\n{0}", ex.Message));
             }
         }

         protected virtual void CancelCallBack()
         {
             //this.Hide();
             //this.Parent.Controls.Add(GetListControl());
             //this.Parent.Controls.Remove(this);
             //this.Dispose();
             //this = null;
             if (this.Parent.Controls.Count <= )
             {
                 this.Parent.Controls.Add(this.Lister);
                 this.Parent.Controls.RemoveAt();
             }
             else
             {
                 this.Parent.Controls[].Show();
                 this.Parent.Controls.RemoveAt();
             }
         }

         private void bSave_Click(object sender, EventArgs e)
         {
             SaveCallBack();
         }

         private void TEditorBase_Load(object sender, EventArgs e)
         {
             this.gpxTitle.Text = this.Title;
         }
         public abstract TListPager<TEntity, TRepository, TSqlStrConstruct> Lister
         {
             get;
         }

         private void bCancel_Click(object sender, EventArgs e)
         {
             CancelCallBack();
         }
     }

属性赋值:

 public class EntityDataBindEventArgs : EventArgs
     {

         public Yom.Extend.Entity.EntityBase CurrentEntity
         {
             get;
             set;
         }
         public System.Reflection.PropertyInfo PropertyInfo
         {
             get;
             set;
         }
         public System.Windows.Forms.Control BindControl
         {
             get;
             set;
         }
     }
     public class DataDetailGetFromControlChildren
     {
         public static void MapDataToEntity(Yom.Extend.Entity.EntityBase entity, System.Windows.Forms.Control parent, Action<EntityDataBindEventArgs> afterDataGet)
         {

             System.Reflection.PropertyInfo[] pis = entity.GetType().GetProperties();
             if (pis != null && pis.Length > ) {
                 System.Windows.Forms.Control c;
                 foreach (System.Reflection.PropertyInfo pi in pis)
                 {
                     c = null;
                     try
                     {
                         c = parent.Controls.Find(pi.Name, true)[];
                     }
                     catch {
                         continue;
                     }
                     if (c != null)
                     {
                         entity.PropertyValueSet(pi.Name, c.Text);
                         if (afterDataGet != null)
                         {
                             afterDataGet(new EntityDataBindEventArgs() { CurrentEntity = entity, PropertyInfo = pi, BindControl = c });
                         }
                     }
                 }
             }
         }
         public static void MapDataToControl(Yom.Extend.Entity.EntityBase entity, System.Windows.Forms.Control parent, Action<EntityDataBindEventArgs> afterDataSet)
         {
             System.Reflection.PropertyInfo[] pis = entity.GetType().GetProperties();
             if (pis != null && pis.Length > )
             {
                 System.Windows.Forms.Control c;
                 foreach (System.Reflection.PropertyInfo pi in pis)
                 {
                     c = null;
                     try
                     {
                         c = parent.Controls.Find(pi.Name, true)[];
                     }
                     catch
                     {
                         continue;
                     }
                     if (c != null)
                     {
                         if ((c is System.Windows.Forms.ComboBox) && !(c as System.Windows.Forms.ComboBox).Items.Contains(pi.GetValue(entity, null))) {
                             continue;
                         }
                         c.Text = pi.GetValue(entity, null).ToString();
                         if (afterDataSet != null)
                         {
                             afterDataSet(new EntityDataBindEventArgs() { CurrentEntity = entity, PropertyInfo = pi,BindControl=c });
                         }
                     }
                 }
             }
         }
     }

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