public static void ZOrderSync(UIElement entity)
{
IFormElementEntityDev entityDev = entity as IFormElementEntityDev;
Debug.Assert(entityDev != null, "实体对象没有实现 IFormElementEntityDev");
Control control = entityDev.Component as Control;
Debug.Assert(control != null, "entityDev.Component 不是 Control");
if (control.Parent == null)
{
return;
}
Control.ControlCollection controls = control.Parent.Controls;
IShellControlDev controlDev;
foreach (Control c in controls)
{
controlDev = c as IShellControlDev;
Debug.Assert(controlDev != null, "Control 没有实现 IShellControlDev");
if (controlDev == null)
{
continue;
}
((UIElement)controlDev.Entity).ZOrder = controls.GetChildIndex(c);
}
}
public override void Redo(bool action)
{
SEUndoUnitZOrderMember[] members = null;
if (_sendTo == EnumSendTo.Forward)
{
var a = from c in this.Members orderby c.NewOrder ascending select c;
members = a.ToArray();
}
else
{
var a = from c in this.Members orderby c.NewOrder descending select c;
members = a.ToArray();
}
foreach (SEUndoUnitZOrderMember member in members)
{
IFormElementEntityDev entityDev = member.Entity as IFormElementEntityDev;
Debug.Assert(entityDev != null, "实体对象没有实现 IFormElementEntityDev");
if (entityDev == null)
{
return;
}
Control control = entityDev.Component as Control;
Debug.Assert(control.Parent != null, "control.Parent 为 null");
control.Parent.Controls.SetChildIndex(control, member.NewOrder);
Helper.ZOrderSync(member.Entity);
}
if (action && Action != null)
{
Action(this, SEUndoEngine.Type.Redo);
}
}
/// <summary>
/// 根据实体对象在窗体根窗口中创建对象
/// 公开方法是撤销重做引擎需要用到
/// 需要public出来给撤销重做引擎调用
/// </summary>
/// <param name="element"></param>
public void CreateControl(UIElement element)
{
//Control control = ControlFactory.InitControl(element, this._designSurface);
IFormElementEntityDev entityDev = element as IFormElementEntityDev;
if (entityDev == null)
{
throw new NotImplementedException();
}
//TODO:考虑在IDE中继承DesignSurface，并重写CreateControl，在调用基类的CreateControl后，直接把Entity对象放进去
Control control = this._designSurface.CreateControl(entityDev.DesignerControlType, element.Size, element.Location);
IShellControlDev shellControlDev = control as IShellControlDev;
element.HostFormEntity = this._windowEntity;
shellControlDev.Entity = element;
Debug.WriteLine("挂上Entity : " + element.GetType().Name);
shellControlDev.UpdateView();
//这种情况发生在撤销重做引擎中
//初始化的时候，element是在formEntity中的，但是在撤销时，肯定不在，已经被移除了
//if (!_formEntity.Elements.Contains(element))
//{
// _formEntity.Elements.Add(element);
//}
}
/// <summary>
/// 找到实体对象所关联的组件，将其销毁
/// 需要public出来给撤销重做引擎调用
/// </summary>
/// <param name="element"></param>
public void DestroyControl(UIElement element)
{
IFormElementEntityDev entityDev = element as IFormElementEntityDev;
if (entityDev == null)
{
throw new NotImplementedException();
}
this._designSurface.DestroyComponent(entityDev.Component);
}
public DataGridViewTextBoxColumnDev(FormElementDataListTextBoxColumnEntityDev entity)
{
this._entity = entity;
this.Name = this._entity.Code;
this.HeaderText = this._entity.Text;
this.Visible = this._entity.Visible;
this.Width = this._entity.Width;
IFormElementEntityDev entityDev = entity as IFormElementEntityDev;
if (entityDev != null)
{
entityDev.Component = this;
}
}
/// <summary>
/// 更新控件，组件的可视状态
/// </summary>
/// <param name="entitys"></param>
public void UpdateView(EntityCollection entitys)
{
IComponent[] components = new IComponent[entitys.Count];
for (int i = 0; i < entitys.Count; i++)
{
IFormElementEntityDev entityDev = entitys[i] as IFormElementEntityDev;
if (entityDev == null)
{
Debug.WriteLine("UpdateView 时指定的实体对象没有实现 IFormElementEntityDev 接口");
continue;
}
components[i] = entityDev.Component;
}
UpdateView(components);
}
