protected override void OnResizeStart(Size size, bool preserveAspectRatio)
{
_resizeUndo = EditorContext.CreateUndoUnit();
base.OnResizeStart(size, preserveAspectRatio);
// save references
_initialParentSize = size;
_preserveAspectRatio = preserveAspectRatio;
// initialize smart content
string contentSourceId;
string contentId;
ContentSourceManager.ParseContainingElementId(HTMLElement.id, out contentSourceId, out contentId);
// clone the smart content for resizing so that settings changes made during the resize
//operation are undoable
String newContentId = Guid.NewGuid().ToString();
SmartContent content = (SmartContent)_contentSourceContext.CloneSmartContent(contentId, newContentId);
if (content == null)
{
Trace.WriteLine("Could not clone smart content for resize.");
return;
}
HTMLElement.id = ContentSourceManager.MakeContainingElementId(contentSourceId, newContentId);
// call sizer
ResizeOptions resizeOptions = new ResizeOptions();
_contentSource.OnResizeStart(content, resizeOptions);
// determine the target size
IHTMLElement targetSizeElement = GetResizeTargetElement(resizeOptions.ResizeableElementId);
_initialTargetSize = new Size(targetSizeElement.offsetWidth, targetSizeElement.offsetHeight);
// Account for areas of the smart content that are not being scaled when preserving aspect ratio.
// For example, in YouTube plugin, label text below the image.
UpdateResizerAspectRatioOffset(_initialParentSize - _initialTargetSize);
// determine the aspect ratio
if (resizeOptions.AspectRatio > 0)
{
_aspectRatio = resizeOptions.AspectRatio;
}
else
{
_aspectRatio = ((double)_initialTargetSize.Width) / _initialTargetSize.Height;
}
}
/// <summary>
/// Clones active smart content contained in the provided HTML, and disables unknown smart content.
/// </summary>
public static string PrepareSmartContentHtmlForEditorInsertion(string html, IContentSourceSidebarContext sourceContext)
{
StringBuilder output = new StringBuilder();
ContentSourceManager.SmartContentPredicate predicate = new ContentSourceManager.SmartContentPredicate();
SimpleHtmlParser p = new SimpleHtmlParser(html);
for (Element el; null != (el = p.Next());)
{
if (predicate.IsMatch(el))
{
BeginTag bt = el as BeginTag;
Attr idAttr = bt.GetAttribute("id");
String contentSourceId, contentItemId;
ContentSourceManager.ParseContainingElementId(idAttr.Value, out contentSourceId, out contentItemId);
ISmartContent smartContent = sourceContext.FindSmartContent(contentItemId);
if (smartContent != null)
{
String newId = Guid.NewGuid().ToString();
sourceContext.CloneSmartContent(contentItemId, newId);
if (RefreshableContentManager.ContentSourcesWithRefreshableContent.Contains(contentSourceId))
{
IExtensionData extensionData = sourceContext.FindExtentsionData(newId);
Debug.Assert(extensionData != null);
// Since we just made a new id for the smart content just about to be inserted
// we want to give it a chance to get a callback because its callback might have happened while
// it was on the clipboard(in the event of cut). This means the refreshable content manager doesnt know
// to watch out for this smart content on paste, it only knows to look out for who created it. Thus
// we just force the callback, and if it didnt need it, nothing will happen.
if (extensionData.RefreshCallBack == null)
{
extensionData.RefreshCallBack = DateTime.UtcNow;
}
}
idAttr.Value = ContentSourceManager.MakeContainingElementId(contentSourceId, newId);
}
else
{
ContentSourceManager.RemoveSmartContentAttributes(bt);
}
}
output.Append(el.ToString());
}
return(output.ToString());
}
/// <summary>
/// Clones active smart content contained in the provided HTML, and disables unknown smart content.
/// </summary>
public static string PrepareSmartContentHtmlForEditorInsertion(string html, IContentSourceSidebarContext sourceContext)
{
StringBuilder output = new StringBuilder();
ContentSourceManager.SmartContentPredicate predicate = new ContentSourceManager.SmartContentPredicate();
SimpleHtmlParser p = new SimpleHtmlParser(html);
for (Element el; null != (el = p.Next());)
{
if (predicate.IsMatch(el))
{
BeginTag bt = el as BeginTag;
Attr idAttr = bt.GetAttribute("id");
String contentSourceId, contentItemId;
ContentSourceManager.ParseContainingElementId(idAttr.Value, out contentSourceId, out contentItemId);
ISmartContent smartContent = sourceContext.FindSmartContent(contentItemId);
if (smartContent != null)
{
String newId = Guid.NewGuid().ToString();
sourceContext.CloneSmartContent(contentItemId, newId);
if (RefreshableContentManager.ContentSourcesWithRefreshableContent.Contains(contentSourceId))
{
IExtensionData extensionData = sourceContext.FindExtentsionData(newId);
Debug.Assert(extensionData != null);
// Since we just made a new id for the smart content just about to be inserted
// we want to give it a chance to get a callback because its callback might have happened while
// it was on the clipboard(in the event of cut). This means the refreshable content manager doesnt know
// to watch out for this smart content on paste, it only knows to look out for who created it. Thus
// we just force the callback, and if it didnt need it, nothing will happen.
if (extensionData.RefreshCallBack == null)
{
extensionData.RefreshCallBack = DateTime.UtcNow;
}
}
idAttr.Value = ContentSourceManager.MakeContainingElementId(contentSourceId, newId);
}
else
{
ContentSourceManager.RemoveSmartContentAttributes(bt);
}
}
output.Append(el.ToString());
}
return output.ToString();
}