// Token: 0x06003AE2 RID: 15074 RVA: 0x0010A43B File Offset: 0x0010863B
internal virtual void SetXmlVirtual(TextElement fragment)
{
if (!this.IsTableCellRange)
{
TextRangeSerialization.PasteXml(this, fragment);
}
}
/// <summary>
/// Saves the content of the range in the given stream as a WPF payload.
/// </summary>
/// <param name="range">
/// The range whose content is to be serialized.
/// </param>
/// <param name="stream">
/// When the stream is not null, it is a request to unconditionally
/// creatte WPF package in this stream.
/// If this parameter is null, then the package is created
/// only when necessary - when there are images in the range.
/// The new MemoryStream is created in this case and assigned to this
/// parameter on exit.
/// </param>
/// <param name="useFlowDocumentAsRoot">
/// </param>
/// <param name="preserveTextElements">
/// If set false, custom TextElements will be upcasted to known types.
/// </param>
/// <returns>
/// A xaml part of serialized content.
/// </returns>
internal static string SaveRange(ITextRange range, ref Stream stream, bool useFlowDocumentAsRoot, bool preserveTextElements)
{
if (range == null)
{
throw new ArgumentNullException("range");
}
// Create the wpf package in the stream
WpfPayload wpfPayload = new WpfPayload(/*package:*/ null);
// Create a string representing serialized xaml
StringWriter stringWriter = new StringWriter(CultureInfo.InvariantCulture);
XmlTextWriter xmlWriter = new XmlTextWriter(stringWriter);
TextRangeSerialization.WriteXaml(xmlWriter, range, useFlowDocumentAsRoot, wpfPayload, preserveTextElements);
string xamlText = stringWriter.ToString();
// Decide whether we need to create a package
if (stream != null || wpfPayload._images != null)
{
// There are images in the content. Need to create a package
if (stream == null)
{
stream = new MemoryStream();
}
// Create a package in the stream
using (wpfPayload.CreatePackage(stream))
{
// Create the entry part for xaml content of the WPF package
PackagePart xamlEntryPart = wpfPayload.CreateWpfEntryPart();
// Write the part's content
Stream xamlPartStream = xamlEntryPart.GetStream();
using (xamlPartStream)
{
StreamWriter xamlPartWriter = new StreamWriter(xamlPartStream);
using (xamlPartWriter)
{
xamlPartWriter.Write(xamlText);
}
}
// Write relationships from xaml entry part to all images
wpfPayload.CreateComponentParts(xamlEntryPart);
}
Invariant.Assert(wpfPayload._images == null); // must have beed cleared in CreateComponentParts
}
return(xamlText);
}
// Token: 0x06003F1E RID: 16158 RVA: 0x0012055C File Offset: 0x0011E75C
internal static string SaveRange(ITextRange range, ref Stream stream, bool useFlowDocumentAsRoot, bool preserveTextElements)
{
if (range == null)
{
throw new ArgumentNullException("range");
}
WpfPayload wpfPayload = new WpfPayload(null);
StringWriter stringWriter = new StringWriter(CultureInfo.InvariantCulture);
XmlTextWriter xmlWriter = new XmlTextWriter(stringWriter);
TextRangeSerialization.WriteXaml(xmlWriter, range, useFlowDocumentAsRoot, wpfPayload, preserveTextElements);
string text = stringWriter.ToString();
if (stream != null || wpfPayload._images != null)
{
if (stream == null)
{
stream = new MemoryStream();
}
using (wpfPayload.CreatePackage(stream))
{
PackagePart packagePart = wpfPayload.CreateWpfEntryPart();
Stream stream2 = packagePart.GetStream();
using (stream2)
{
StreamWriter streamWriter = new StreamWriter(stream2);
using (streamWriter)
{
streamWriter.Write(text);
}
}
wpfPayload.CreateComponentParts(packagePart);
}
Invariant.Assert(wpfPayload._images == null);
}
return(text);
}
/// <summary>
/// Creates DataObject for Copy and Drag operations
/// </summary>
internal static DataObject _CreateDataObject(TextEditor This, bool isDragDrop)
{
DataObject dataObject;
// Create the data object for drag and drop.
// We could provide more extensibility here -
// by allowing application to create its own DataObject.
// Without it our extensibility looks inconsistent:
// the interface IDataObject suggests that you can
// create your own implementation of it, but you
// really cannot, because there is no way of
// using it in our TextEditor.Copy/Drag.
dataObject = new DataObject();
// Get plain text and copy it into the data object.
string textString = This.Selection.Text;
if (textString != String.Empty)
{
// Copy plain text into data object.
// ConfirmDataFormatSetting rasies a public event - could throw recoverable exception.
if (ConfirmDataFormatSetting(This.UiScope, dataObject, DataFormats.Text))
{
dataObject.SetData(DataFormats.Text, textString, false);
}
// Copy unicode text into data object.
// ConfirmDataFormatSetting rasies a public event - could throw recoverable exception.
if (ConfirmDataFormatSetting(This.UiScope, dataObject, DataFormats.UnicodeText))
{
dataObject.SetData(DataFormats.UnicodeText, textString, false);
}
}
// Get the rtf and xaml text and then copy it into the data object after confirm data format.
// We do this only if our content is rich
if (This.AcceptsRichContent)
{
Stream wpfContainerMemory = null;
// null wpfContainerMemory on entry means that container is optional
// and will be not created when there is no images in the range.
// Create in-memory wpf package, and serialize the content of selection into it
string xamlTextWithImages = WpfPayload.SaveRange(This.Selection, ref wpfContainerMemory, /*useFlowDocumentAsRoot:*/ false);
if (xamlTextWithImages.Length > 0)
{
// ConfirmDataFormatSetting raises a public event - could throw recoverable exception.
if (wpfContainerMemory != null && ConfirmDataFormatSetting(This.UiScope, dataObject, DataFormats.XamlPackage))
{
dataObject.SetData(DataFormats.XamlPackage, wpfContainerMemory);
}
// ConfirmDataFormatSetting raises a public event - could throw recoverable exception.
if (ConfirmDataFormatSetting(This.UiScope, dataObject, DataFormats.Rtf))
{
// Convert xaml to rtf text to set rtf data into data object.
string rtfText = ConvertXamlToRtf(xamlTextWithImages, wpfContainerMemory);
if (rtfText != String.Empty)
{
dataObject.SetData(DataFormats.Rtf, rtfText, true);
}
}
// Add a CF_BITMAP if we have only one image selected.
Image image = This.Selection.GetUIElementSelected() as Image;
if (image != null && image.Source is System.Windows.Media.Imaging.BitmapSource)
{
dataObject.SetImage((System.Windows.Media.Imaging.BitmapSource)image.Source);
}
}
// Xaml format is availabe both in Full Trust and in Partial Trust
// Need to re-serialize xaml to avoid image references within a container:
StringWriter stringWriter = new StringWriter(CultureInfo.InvariantCulture);
XmlTextWriter xmlWriter = new XmlTextWriter(stringWriter);
TextRangeSerialization.WriteXaml(xmlWriter, This.Selection, /*useFlowDocumentAsRoot:*/ false, /*wpfPayload:*/ null);
string xamlText = stringWriter.ToString();
// Use WpfPayload.SaveRangeAsXaml method to produce correct image.Source properties.
if (xamlText.Length > 0)
{
// ConfirmDataFormatSetting rasies a public event - could throw recoverable exception.
if (ConfirmDataFormatSetting(This.UiScope, dataObject, DataFormats.Xaml))
{
// Place Xaml data onto the dataobject using safe setter
dataObject.SetData(DataFormats.Xaml, xamlText, false);
}
}
}
// Notify application about our data object preparation completion
DataObjectCopyingEventArgs dataObjectCopyingEventArgs = new DataObjectCopyingEventArgs(dataObject, /*isDragDrop:*/ isDragDrop);
This.UiScope.RaiseEvent(dataObjectCopyingEventArgs);
if (dataObjectCopyingEventArgs.CommandCancelled)
{
dataObject = null;
}
return(dataObject);
}
internal static DataObject _CreateDataObject(TextEditor This, bool isDragDrop)
{
new UIPermission(UIPermissionClipboard.AllClipboard).Assert();
DataObject dataObject;
try
{
dataObject = new DataObject();
}
finally
{
CodeAccessPermission.RevertAssert();
}
string text = This.Selection.Text;
if (text != string.Empty)
{
if (TextEditorCopyPaste.ConfirmDataFormatSetting(This.UiScope, dataObject, DataFormats.Text))
{
TextEditorCopyPaste.CriticalSetDataWrapper(dataObject, DataFormats.Text, text);
}
if (TextEditorCopyPaste.ConfirmDataFormatSetting(This.UiScope, dataObject, DataFormats.UnicodeText))
{
TextEditorCopyPaste.CriticalSetDataWrapper(dataObject, DataFormats.UnicodeText, text);
}
}
if (This.AcceptsRichContent)
{
if (SecurityHelper.CheckUnmanagedCodePermission())
{
Stream stream = null;
string text2 = WpfPayload.SaveRange(This.Selection, ref stream, false);
if (text2.Length > 0)
{
if (stream != null && TextEditorCopyPaste.ConfirmDataFormatSetting(This.UiScope, dataObject, DataFormats.XamlPackage))
{
dataObject.SetData(DataFormats.XamlPackage, stream);
}
if (TextEditorCopyPaste.ConfirmDataFormatSetting(This.UiScope, dataObject, DataFormats.Rtf))
{
string text3 = TextEditorCopyPaste.ConvertXamlToRtf(text2, stream);
if (text3 != string.Empty)
{
dataObject.SetData(DataFormats.Rtf, text3, true);
}
}
}
Image image = This.Selection.GetUIElementSelected() as Image;
if (image != null && image.Source is BitmapSource)
{
dataObject.SetImage((BitmapSource)image.Source);
}
}
StringWriter stringWriter = new StringWriter(CultureInfo.InvariantCulture);
XmlTextWriter xmlWriter = new XmlTextWriter(stringWriter);
TextRangeSerialization.WriteXaml(xmlWriter, This.Selection, false, null);
string text4 = stringWriter.ToString();
if (text4.Length > 0 && TextEditorCopyPaste.ConfirmDataFormatSetting(This.UiScope, dataObject, DataFormats.Xaml))
{
TextEditorCopyPaste.CriticalSetDataWrapper(dataObject, DataFormats.Xaml, text4);
PermissionSet permissionSet = SecurityHelper.ExtractAppDomainPermissionSetMinusSiteOfOrigin();
string content = permissionSet.ToString();
TextEditorCopyPaste.CriticalSetDataWrapper(dataObject, DataFormats.ApplicationTrust, content);
}
}
DataObjectCopyingEventArgs dataObjectCopyingEventArgs = new DataObjectCopyingEventArgs(dataObject, isDragDrop);
This.UiScope.RaiseEvent(dataObjectCopyingEventArgs);
if (dataObjectCopyingEventArgs.CommandCancelled)
{
dataObject = null;
}
return(dataObject);
}
internal static DataObject _CreateDataObject(TextEditor This, bool isDragDrop)
{
DataObject dataObject;
// Create the data object for drag and drop.
//
(new UIPermission(UIPermissionClipboard.AllClipboard)).Assert();//BlessedAssert
try
{
dataObject = new DataObject();
}
finally
{
UIPermission.RevertAssert();
}
// Get plain text and copy it into the data object.
string textString = This.Selection.Text;
if (textString != String.Empty)
{
// Copy plain text into data object.
// ConfirmDataFormatSetting rasies a public event - could throw recoverable exception.
if (ConfirmDataFormatSetting(This.UiScope, dataObject, DataFormats.Text))
{
CriticalSetDataWrapper(dataObject, DataFormats.Text, textString);
}
// Copy unicode text into data object.
// ConfirmDataFormatSetting rasies a public event - could throw recoverable exception.
if (ConfirmDataFormatSetting(This.UiScope, dataObject, DataFormats.UnicodeText))
{
CriticalSetDataWrapper(dataObject, DataFormats.UnicodeText, textString);
}
}
// Get the rtf and xaml text and then copy it into the data object after confirm data format.
// We do this only if our content is rich
if (This.AcceptsRichContent)
{
// This ensures that in the confines of partial trust RTF is not enabled.
// We use unmanaged code permission over clipboard permission since
// the latter is available in intranet zone and this is something that will
// fail in intranet too.
if (SecurityHelper.CheckUnmanagedCodePermission())
{
// In FullTrust we allow all rich formats on the clipboard
Stream wpfContainerMemory = null;
// null wpfContainerMemory on entry means that container is optional
// and will be not created when there is no images in the range.
// Create in-memory wpf package, and serialize the content of selection into it
string xamlTextWithImages = WpfPayload.SaveRange(This.Selection, ref wpfContainerMemory, /*useFlowDocumentAsRoot:*/ false);
if (xamlTextWithImages.Length > 0)
{
// ConfirmDataFormatSetting raises a public event - could throw recoverable exception.
if (wpfContainerMemory != null && ConfirmDataFormatSetting(This.UiScope, dataObject, DataFormats.XamlPackage))
{
dataObject.SetData(DataFormats.XamlPackage, wpfContainerMemory);
}
// ConfirmDataFormatSetting raises a public event - could throw recoverable exception.
if (ConfirmDataFormatSetting(This.UiScope, dataObject, DataFormats.Rtf))
{
// Convert xaml to rtf text to set rtf data into data object.
string rtfText = ConvertXamlToRtf(xamlTextWithImages, wpfContainerMemory);
if (rtfText != String.Empty)
{
dataObject.SetData(DataFormats.Rtf, rtfText, true);
}
}
}
// Add a CF_BITMAP if we have only one image selected.
Image image = This.Selection.GetUIElementSelected() as Image;
if (image != null && image.Source is System.Windows.Media.Imaging.BitmapSource)
{
dataObject.SetImage((System.Windows.Media.Imaging.BitmapSource)image.Source);
}
}
// Xaml format is availabe both in Full Trust and in Partial Trust
// Need to re-serialize xaml to avoid image references within a container:
StringWriter stringWriter = new StringWriter(CultureInfo.InvariantCulture);
XmlTextWriter xmlWriter = new XmlTextWriter(stringWriter);
TextRangeSerialization.WriteXaml(xmlWriter, This.Selection, /*useFlowDocumentAsRoot:*/ false, /*wpfPayload:*/ null);
string xamlText = stringWriter.ToString();
//
if (xamlText.Length > 0)
{
// ConfirmDataFormatSetting rasies a public event - could throw recoverable exception.
if (ConfirmDataFormatSetting(This.UiScope, dataObject, DataFormats.Xaml))
{
// Place Xaml data onto the dataobject using safe setter
CriticalSetDataWrapper(dataObject, DataFormats.Xaml, xamlText);
// The dataobject itself must hold an information about permission set
// of the source appdomain. Set it there:
// Package permission set for the current appdomain
PermissionSet psCurrentAppDomain = SecurityHelper.ExtractAppDomainPermissionSetMinusSiteOfOrigin();
string permissionSetCurrentAppDomain = psCurrentAppDomain.ToString();
CriticalSetDataWrapper(dataObject, DataFormats.ApplicationTrust, permissionSetCurrentAppDomain);
}
}
}
// Notify application about our data object preparation completion
DataObjectCopyingEventArgs dataObjectCopyingEventArgs = new DataObjectCopyingEventArgs(dataObject, /*isDragDrop:*/ isDragDrop);
This.UiScope.RaiseEvent(dataObjectCopyingEventArgs);
if (dataObjectCopyingEventArgs.CommandCancelled)
{
dataObject = null;
}
return(dataObject);
}
