void pft_OpenPageInfo(object sender, OpenPageInfoEventArgs e)
{
//-->获取控件
XElement _xe_page = XElement.Parse(e.PageDirectorySub.PageContent.Trim());
if (null == _xe_page)
{
return;
}
XElement _xe_xaml = _xe_page.Element("xaml");
XElement _xe_xml = _xe_page.Element("xml");
string xaml = _xe_xaml != null && _xe_xaml.FirstNode != null?_xe_xaml.FirstNode.ToString() : "";
string xml = _xe_xml != null && _xe_xml.FirstNode != null?_xe_xml.FirstNode.ToString() : "";
//-->xml操作
_XmlTemplate_CurrentPage = XmlTemplate.DecodeXml(xml);
//-->获取xaml
_XamlTemplate = XamlTemplate.DecodeXml(xaml);
_PageInfo = Wrapper.CreateUIElement <UserControl>(xaml);
LoadControls();
if (null != OpenPageInfo)
{
OpenPageInfo(this, e);
}
}
/// <summary>
/// 释放资源
/// </summary>
public void Dispose()
{
this.pft.OpenPageInfo -= pft_OpenPageInfo;
this.ct.SelectedItemChanged -= ct_SelectedItemChanged;
this.lboxProperty.SelectionChanged -= lboxProperty_SelectionChanged;
_XmlTemplate_CurrentPage = null;
_XamlTemplate = null;
_PageInfo = null;
_ControlInfo = null;
ct.Dispose();
}
/// <summary>
/// 结构函数
/// </summary>
public PageWorkArea()
{
InitializeComponent();
IsUpdate = false;
_XmlTemplate = new XmlTemplate();
_XamlTemplate = new XamlTemplate();
DesignPage.ControlPosition += PageDesign_ControlPosition;
DesignPage.ControlDelete += DesignPage_ControlDelete;
txtXaml.LostFocus += txtXaml_LostFocus;
txtXml.LostFocus += txtXml_LostFocus;
}
/// <summary>
/// 重绘
/// </summary>
internal void Redraw()
{
if (null == PageInfo || this.PageInfo.PageContent.IsNullOrEmpty())
{
return;
}
XElement _xe_page = XElement.Parse(this.PageInfo.PageContent.Trim());
if (null == _xe_page)
{
return;
}
XElement _xe_xaml = _xe_page.Element("xaml");
XElement _xe_xml = _xe_page.Element("xml");
string xaml = _xe_xaml != null && _xe_xaml.FirstNode != null?_xe_xaml.FirstNode.ToString() : ""; // _xe_xaml.GetElementValue("xaml");
string xml = _xe_xml != null && _xe_xml.FirstNode != null?_xe_xml.FirstNode.ToString() : "";
_XmlTemplate = XmlTemplate.DecodeXml(xml);
_XamlTemplate = XamlTemplate.DecodeXml(xaml);
UserControl uc = Wrapper.CreateUIElement(xaml) as UserControl;
if (null == uc)
{
return;
}
this.LayoutRoot.Children.Add(uc);
//-->给复合控件设置标题内容,和运行时接口。
SetCompositeCtrlTitleOrInterface();
//-->给控件注册事件
RegisterControl();
//-->加载初化操作。
LoadInitControl();
}
void Xaml_LostFocus(string orgValue, string changeXaml)
{
if (changeXaml.IsNullOrEmpty() || changeXaml.Equals(orgValue))
{
return;
}
//-->判断控件是否可用。
FrameworkElement fe = Wrapper.LoadXaml <FrameworkElement>(changeXaml);
if (null == fe)
{
_XamlTemplate = new XamlTemplate();
this.Xaml_Template = _XamlTemplate.ParseXml().ToString();
return;
}
XamlTemplate new_xamlTemplate = XamlTemplate.DecodeXml(changeXaml);
//-->判断程序集是否有改变
this._XamlTemplate.AssemblyCollection.AddRange(new_xamlTemplate.AssemblyCollection);
XamlCanvasTemplate old_Xaml_CanvasTemplate = this._XamlTemplate.CanvasTemplate;
//-->判断画布的大小，背景色是否不同
foreach (var cp in new_xamlTemplate.CanvasTemplate.CanvasPropertyDict)
{
if (old_Xaml_CanvasTemplate.CanvasPropertyDict.ContainsKey(cp.Key))
{
if (!old_Xaml_CanvasTemplate.CanvasPropertyDict[cp.Key].Equals(cp.Value))
{
//-->内容有改变
old_Xaml_CanvasTemplate.CanvasPropertyDict[cp.Key] = cp.Value;
}
}
else
{
old_Xaml_CanvasTemplate.CanvasPropertyDict.Add(cp.Key, cp.Value);
}
}
//-->判断控件
foreach (var child in new_xamlTemplate.CanvasTemplate.Children)
{
FrameworkElement _news_ctrl = fe.FindName(child.Key) as FrameworkElement;
((fe as UserControl).Content as Panel).Children.Remove(_news_ctrl);
if (old_Xaml_CanvasTemplate.Children.ContainsKey(child.Key))
{
if (!old_Xaml_CanvasTemplate.Children[child.Key].Equals(child.Value))
{
//-->删除原来的控件
this.DesignPage.DeleteChilren(child.Key);
//-->2、增加新的控件
this.DesignPage.AddChild(_news_ctrl, !_IsOpenPage);
DesignPage.UpdateDesignRectangle(_news_ctrl);
old_Xaml_CanvasTemplate.Children[child.Key] = child.Value;
}
continue;
}
this.DesignPage.AddChild(_news_ctrl, !_IsOpenPage);
old_Xaml_CanvasTemplate.Children.Add(child.Key, child.Value);
//-->初始一下内容
if (_news_ctrl is ICompositeCtrl)
{
var ci = _IDesignFramework.GetControlInfoByControlName(_news_ctrl.Name);
if (null == ci)
{
continue;
}
//-->查找 metadata 里 row里的信息
var ctrlMetaData = _IDesignFramework.GetMetaDataInfoByTableName(ci.MetaData);
if (null == ctrlMetaData || null == ctrlMetaData.Item || 0 == ctrlMetaData.Item.Count)
{
continue;
}
//--> metaData Column
var colXml = ctrlMetaData.Item.Where(p => p.column_name.Equals(ci.ColumnName)).GetFirst <MetaDataColumnInfo>();
if (null == colXml)
{
continue;
}
var _newCtrlMetaData = new MetaDataInfo();
_newCtrlMetaData.table_type = ctrlMetaData.table_type;
_newCtrlMetaData.table_name = ctrlMetaData.table_name;
_newCtrlMetaData.table_comment = ctrlMetaData.table_comment;
_newCtrlMetaData.Item = new List <MetaDataColumnInfo>();
_newCtrlMetaData.Item.Add(colXml);
CtrlPlatformCommandInfo ctrlCmd = new CtrlPlatformCommandInfo();
ctrlCmd.ControlInfo = ci;
ctrlCmd.MetaDataInfo = _newCtrlMetaData;
(_news_ctrl as ICompositeCtrl).InitTitle(ctrlCmd);
}
}
//-->如果是高、宽改变了，得修改xml文件信息
this._XmlTemplate.BaseInfo.PageHeight = new_xamlTemplate.Height;
this._XmlTemplate.BaseInfo.PageWidth = new_xamlTemplate.Width;
_XamlTemplate.Height = new_xamlTemplate.Height;
_XamlTemplate.Width = new_xamlTemplate.Width;
Xml_Template = _XmlTemplate.ParseXml().ToString();
_XamlTemplate = new_xamlTemplate;
this.Xaml_Template = changeXaml;
DesignPage.UpdatePropertyGrid();
}
private XamlTypeConverter(Type type)
{
var underlyingType = Nullable.GetUnderlyingType(type) ?? type;
_xamlTemplate = TypeTemplates.GetValueOrCreate(underlyingType, () => new XamlTemplate(underlyingType));
}