/// <summary>
/// 创建与原删除控件相同的控件
/// </summary>
/// <param name="info"></param>
/// <returns></returns>
private void CreateControl(ref Operation info)
{
HostDesign design = (HostDesign)info.Change[0];
Control Oldctrl = (Control)info.Item;
IDesignerHost tems = design.GetService(typeof(IDesignerHost)) as IDesignerHost;
Control Newctrl = (Control)tems.CreateComponent(Oldctrl.GetType());
Attribute[] tempAtr = new Attribute[] { new CategoryAttribute(PublicVariable.ControlCategoryName) };
PropertyDescriptor portNameProperty = TypeDescriptor.GetProperties(Newctrl)["PortName"];
PropertyDescriptorCollection OldPropertyDescriptors = TypeDescriptor.GetProperties(Oldctrl, tempAtr);
PropertyDescriptorCollection NewPropertyDescriptors = TypeDescriptor.GetProperties(Newctrl, tempAtr);
foreach (PropertyDescriptor elementA in OldPropertyDescriptors)
{
foreach (PropertyDescriptor elementB in NewPropertyDescriptors)
{
if (elementA.Name == elementB.Name)
{
elementB.SetValue(Newctrl, elementA.GetValue(Oldctrl));
}
}
}
Newctrl.Tag = Newctrl.Site.Name;
if (info.Change[1].ToString() != Newctrl.Site.Name)
{//新旧控件名不同时需更新
UpdateCtrlInfo(ref info, info.Change[1].ToString(), Newctrl.Site.Name);
}
info.Item = Newctrl;
if (portNameProperty != null)
{
string[] tempCodeinfo = ((ControlInfo)info.Change[2]).CodeInfo;
string curPnum = tempCodeinfo[2].Substring(tempCodeinfo[1].Length);
for (int i = 0; i < CassViewGenerator.PortInfoList.Count; i++)
{
if (((string[])(CassViewGenerator.PortInfoList[i][0]))[0] == tempCodeinfo[0])
{//找到的对应的控件类
((List <string>)(CassViewGenerator.PortInfoList[i][1])).Add(curPnum);
break;
}
}
if (tempCodeinfo[1] + curPnum != tempCodeinfo[2])
{
CassMessageBox.Error("撤销控件点名出错！");
}
}
}
/// <summary>
/// 生成一个新的HostDesign,并且进行加载。
/// </summary>
/// <param name="formName">所创建的设计页面的名称</param>
/// <returns> 返回一个加载了设计器的HostControl对象</returns>
public HostControl GetNewHost(string formName)
{
try
{
HostDesign hostSurface = (HostDesign)this.CreateDesignSurface(this.ServiceContainer);
CodeDomHostLoader codeDomHostLoader = new CodeDomHostLoader(formName);
hostSurface.BeginLoad(codeDomHostLoader); //使用给定的设计器加载程序开始加载过程。
hostSurface.Initialize();
return(new HostControl(hostSurface));
}
catch (Exception ex)
{
return(null);
}
}
//<summary>
/// /获取当前设计器的视图，并将当前的类控件设置为设计器视图的根组件。
/// </summary>
/// <param name="hostDesignSurface">HostDesign类型变量，该变量为设计器类型变量，函数中获取该设计器的视图</param>
private void InitializeHost(HostDesign hostDesignSurface)
{
try
{
hostDesign = hostDesignSurface;
if (hostDesign == null || hostDesign.View == null)
{
return;
}
Control control = (Control)hostDesign.View; //获取根设计器的视图，该View并不是类；
control.Parent = this;
control.Dock = DockStyle.Fill;
control.Visible = true;
loadFlag = true;
}
catch(NotSupportedException e)
{
loadFlag = false;
CassMessageBox.Error("未提供与此设计图面兼容的视图");
}
catch(ObjectDisposedException e)
{
loadFlag = false;
CassMessageBox.Error("设计器对象被释放！");
}
catch(InvalidOperationException e)
{
loadFlag = false;
CassMessageBox.Error("设计器加载程序尚未创建根设计器或加载失败！");
}
catch (Exception ex)
{
CassMessageBox.Error("加载程序发生致命性错误！");
this.Dispose();//20090603便于加载至梯形图内部，关闭当前程序窗口
//Application.Exit();
}
}
//<summary>
/// /获取当前设计器的视图，并将当前的类控件设置为设计器视图的根组件。
/// </summary>
/// <param name="hostDesignSurface">HostDesign类型变量，该变量为设计器类型变量，函数中获取该设计器的视图</param>
private void InitializeHost(HostDesign hostDesignSurface)
{
try
{
hostDesign = hostDesignSurface;
if (hostDesign == null || hostDesign.View == null)
{
return;
}
Control control = (Control)hostDesign.View; //获取根设计器的视图，该View并不是类；
control.Parent = this;
control.Dock = DockStyle.Fill;
control.Visible = true;
loadFlag = true;
}
catch (NotSupportedException e)
{
loadFlag = false;
CassMessageBox.Error("未提供与此设计图面兼容的视图");
}
catch (ObjectDisposedException e)
{
loadFlag = false;
CassMessageBox.Error("设计器对象被释放！");
}
catch (InvalidOperationException e)
{
loadFlag = false;
CassMessageBox.Error("设计器加载程序尚未创建根设计器或加载失败！");
}
catch (Exception ex)
{
CassMessageBox.Error("加载程序发生致命性错误！");
this.Dispose();//20090603便于加载至梯形图内部，关闭当前程序窗口
//Application.Exit();
}
}
/// <summary>
/// 读入新的Xml文件时创建新的设计器，
/// 对读入的xml文档进行处理，如果xml文档的名称和设计器Form的名称不一致，则将设计器的名称设为和xml文档的名称一致。
/// 同时，判断输入的xml文档的格式是否为正确的描述文件；
/// 对于描述文件中有控件叠加的信息，则将需叠加的控件的信息添加到设计器中。
/// </summary>
/// <param name="fileName">要读入的xml文件的名称/param>
/// <returns></returns>
public HostControl GetNewDesignHost(string fileName)
{
HostDesign hostSurface = (HostDesign)this.CreateDesignSurface(this.ServiceContainer);
//判断文件名称和文件中的CassView对象是否一致
string designName = Path.GetFileNameWithoutExtension(fileName);
string documentDesignName = designName;
XmlDocument document = new XmlDocument();
try
{
document.Load(fileName);
XmlNode node = document.FirstChild;
for (int i = 0; i < node.ChildNodes.Count; i++) // 对读入的xml文档进行处理，如果xml文档的名称和设计器Form的名称不一致，则将设计器的名称设为和xml文档的名称一致。
{
if (node.ChildNodes[i].Name.Equals("Object"))
{
if (node.ChildNodes[i].Attributes["type"] == null)
{
//CassMessageBox.Warning("描述文件格式错误！");
return(null);
}
else
{
string[] type = node.ChildNodes[i].Attributes["type"].Value.Split(',');
if (type.Length > 0 && type[0].Equals(PublicVariable.viewName))
{
if (node.ChildNodes[i].Attributes["name"] != null)
{
documentDesignName = node.ChildNodes[i].Attributes["name"].Value;
if (!documentDesignName.Equals(designName))//如果名字不相同,则进行修改
{
node.ChildNodes[i].Attributes["name"].Value = designName;
for (int j = 0; j < node.ChildNodes[i].ChildNodes.Count; j++) //修改属性节点中的名称值
{
if (node.ChildNodes[i].ChildNodes[j].Name.Equals("Property") && node.ChildNodes[i].ChildNodes[j].Attributes["name"] != null &&
node.ChildNodes[i].ChildNodes[j].Attributes["name"].Value.Equals("Name"))
{
node.ChildNodes[i].ChildNodes[j].InnerText = designName;
break;
}
}
}
}
break;
}//cassView节点
else
{
return(null);
}
} //type != null
} //object
} //修改名称问题
if (document != null)
{
CodeDomHostLoader codeDomHostLoader = new CodeDomHostLoader(designName);
hostSurface.BeginLoad(codeDomHostLoader);
if (!codeDomHostLoader.MyPerformLoad(document)) //false(加载失败),跳出
{
return(null);
}
hostSurface.Initialize(); //已加载后才可进行初始化操作
IDesignerHost host = (IDesignerHost)hostSurface.GetService(typeof(IDesignerHost));
}//xml文档不为空
return(new HostControl(hostSurface));
}
catch (Exception ex)
{
}
return(null);
}
public HostControl(HostDesign hostDesignSurface)
{
InitializeComponent();
InitializeHost(hostDesignSurface);
}
public HostControl(HostDesign hostDesignSurface)
{
InitializeComponent();
InitializeHost(hostDesignSurface);
}