/// <summary>
/// 输出嵌入在RTF文档中的文档元素对象
/// </summary>
/// <param name="element">文档元素对象</param>
/// <param name="attributes">属性列表</param>
/// <param name="resultImage">表示元素内容的图片对象</param>
public void WriteEmbObject(
DomElement element,
Image resultImage)
{
bool disposeImage = false;
if (resultImage == null)
{
resultImage = element.CreateContentImage();
disposeImage = true;
}
Size size = new Size(
GraphicsUnitConvert.ToTwips(resultImage.Width, GraphicsUnit.Pixel),
GraphicsUnitConvert.ToTwips(resultImage.Height, GraphicsUnit.Pixel));
this.WriteStartGroup();
this.WriteKeyword("object");
this.WriteKeyword("objemb");
this.WriteCustomAttribute("objclass", XWriterObjectPrefix + element.GetType().FullName, true);
this.WriteKeyword("objw" + size.Width);
this.WriteKeyword("objh" + size.Height);
StringWriter writer = new StringWriter();
XmlSerializer ser = Xml.MyXmlSerializeHelper.GetElementXmlSerializer(element.GetType());
ser.Serialize(writer, element);
writer.Close();
string xmlText = writer.ToString();
byte[] bs = Encoding.UTF8.GetBytes(xmlText);
this.WriteStartGroup();
this.WriteKeyword("objdata", true);
this.WriteBytes(bs);
this.WriteEndGroup();
this.WriteStartGroup();
this.WriteKeyword("result");
this.WriteImage(
resultImage,
resultImage.Width,
resultImage.Height,
null,
element.RuntimeStyle);
this.WriteEndGroup();
this.WriteEndGroup();
if (disposeImage)
{
resultImage.Dispose();
}
}
// - Element is an ElementFragment
protected override DomNode Convert(DomDocument document, DomElement element, IScriptGenerator gen)
{
// TODO This will not work if expressions are in non-string types
var myValues = element.Attributes.Select(t => new KeyValuePair <string, object>(t.Name, t.Value));
// Locate the property handling inner text
// TODO Using inner text (but it could contain markup, which would technically require special handling logic)
// TODO Memoize this lookup (performance)
foreach (PropertyInfo p in Utility.ReflectGetProperties(element.GetType()))
{
if (p.IsDefined(typeof(ValueAttribute)))
{
var kvp = new KeyValuePair <string, object>(p.Name, element.InnerText);
myValues = Utility.Cons(kvp, myValues);
}
}
Activation.Initialize(element, myValues);
return(element);
}
protected void ElementProperties(object sender, WriterCommandEventArgs args)
{
if (args.Mode == WriterCommandEventMode.QueryState)
{
args.Enabled = args.DocumentControler != null &&
args.DocumentControler.CanSetStyle;
}
else if (args.Mode == WriterCommandEventMode.Invoke)
{
args.Result = false;
DomElement element = args.Document.CurrentElement;
if (args.Document.Selection.ContentElements.Count == 1)
{
element = args.Document.Selection.ContentElements[0];
}
while (element != null)
{
ElementEditor editor = (ElementEditor)TypeDescriptor.GetEditor(element, typeof(ElementEditor));
if (editor != null)
{
if (editor.IsSupportMethod(ElementEditMethod.Edit))
{
// 调用指定的编辑器
ElementEditEventArgs ea = new ElementEditEventArgs();
ea.Document = args.Document;
ea.Element = element;
ea.Host = args.Host;
ea.LogUndo = true;
ea.Method = ElementEditMethod.Edit;
bool changed = false;
args.Document.BeginLogUndo();
if (editor.Edit(ea))
{
// 更新元素内容版本号
if (element is DomContainerElement)
{
DomContainerElement c = (DomContainerElement)element;
c.EditorInvalidateContent();
}
element.UpdateContentVersion();
element.InvalidateView();
changed = true;
}
args.Document.EndLogUndo();
if (changed)
{
args.Result = true;
args.Document.Modified = true;
//args.Document.OnSelectionChanged();
args.Document.OnDocumentContentChanged();
args.RefreshLevel = UIStateRefreshLevel.All;
}
}
return;
}
element = element.Parent;
}//while
element = args.Document.CurrentElement;
if (args.Document.Selection.ContentElements.Count == 1)
{
element = args.Document.Selection.ContentElements[0];
}
XTextElementProperties properties = null;
while (element != null)
{
properties = args.Host.CreateProperties(element.GetType());
if (properties != null)
{
break;
}
element = element.Parent;
}//while
if (properties != null)
{
properties.Document = args.Document;
if (properties.ReadProperties(element))
{
args.SourceElement = element;
if (properties.PromptEditProperties(args))
{
args.Document.BeginLogUndo();
bool changed = false;
if (properties.ApplyToElement(args.Document, element, true))
{
// 更新元素内容版本号
if (element is DomContainerElement)
{
DomContainerElement c = (DomContainerElement)element;
c.EditorInvalidateContent();
}
element.UpdateContentVersion();
element.InvalidateView();
changed = true;
}
args.Document.EndLogUndo();
if (changed)
{
args.Result = true;
args.Document.Modified = true;
//args.Document.OnSelectionChanged();
args.Document.OnDocumentContentChanged();
args.RefreshLevel = UIStateRefreshLevel.All;
}
}
}
}
}
}
