public static ImagePropertiesInfo GetImagePropertiesInfo(IHTMLImgElement imgElement, IBlogPostImageEditingContext editorContext)
{
IHTMLElement imgHtmlElement = (IHTMLElement)imgElement;
string imgSrc = imgHtmlElement.getAttribute("src", 2) as string;
BlogPostImageData imageData = null;
try
{
imageData = BlogPostImageDataList.LookupImageDataByInlineUri(editorContext.ImageList, new Uri(imgSrc));
}
catch (UriFormatException)
{
//this URI is probably relative web URL, so extract the image src letting the
//DOM fill in the full URL for us based on the base URL.
imgSrc = imgHtmlElement.getAttribute("src", 0) as string;
}
ImagePropertiesInfo info;
if (imageData != null && imageData.GetImageSourceFile() != null)
{
//clone the image data to the sidebar doesn't change it (required for preserving image undo/redo state)
imageData = (BlogPostImageData)imageData.Clone();
//this is an attached local image
info = new BlogPostImagePropertiesInfo(imageData, new ImageDecoratorsList(editorContext.DecoratorsManager, imageData.ImageDecoratorSettings));
info.ImgElement = imgHtmlElement;
}
else
{
//this is not an attached local image, so treat as a web image
ImageDecoratorsList remoteImageDecoratorsList = new ImageDecoratorsList(editorContext.DecoratorsManager, new BlogPostSettingsBag());
remoteImageDecoratorsList.AddDecorator(editorContext.DecoratorsManager.GetDefaultRemoteImageDecorators());
//The source image size is unknown, so calculate the actual image size by removing
//the size attributes, checking the size, and then placing the size attributes back
string oldHeight = imgHtmlElement.getAttribute("height", 2) as string;
string oldWidth = imgHtmlElement.getAttribute("width", 2) as string;
imgHtmlElement.removeAttribute("width", 0);
imgHtmlElement.removeAttribute("height", 0);
int width = imgElement.width;
int height = imgElement.height;
if (!String.IsNullOrEmpty(oldHeight))
{
imgHtmlElement.setAttribute("height", oldHeight, 0);
}
if (!String.IsNullOrEmpty(oldWidth))
{
imgHtmlElement.setAttribute("width", oldWidth, 0);
}
info = new ImagePropertiesInfo(new Uri(imgSrc), new Size(width, height), remoteImageDecoratorsList);
info.ImgElement = imgHtmlElement;
// Sets the correct inline image size and image size name for the remote image.
if (!String.IsNullOrEmpty(oldWidth) && !String.IsNullOrEmpty(oldHeight))
{
int inlineWidth, inlineHeight;
if (Int32.TryParse(oldWidth, NumberStyles.Integer, CultureInfo.InvariantCulture, out inlineWidth) &&
Int32.TryParse(oldHeight, NumberStyles.Integer, CultureInfo.InvariantCulture, out inlineHeight))
{
info.InlineImageSize = new Size(inlineWidth, inlineHeight);
}
}
// Sets the correct border style for the remote image.
if (new HtmlBorderDecoratorSettings(imgHtmlElement).InheritBorder)
{
if (!info.ImageDecorators.ContainsDecorator(HtmlBorderDecorator.Id))
{
info.ImageDecorators.AddDecorator(HtmlBorderDecorator.Id);
}
}
else if (new NoBorderDecoratorSettings(imgHtmlElement).NoBorder)
{
if (!info.ImageDecorators.ContainsDecorator(NoBorderDecorator.Id))
{
info.ImageDecorators.AddDecorator(NoBorderDecorator.Id);
}
}
}
//transfer image data properties
if (imageData != null)
{
info.UploadSettings = imageData.UploadInfo.Settings;
info.UploadServiceId = imageData.UploadInfo.ImageServiceId;
if (info.UploadServiceId == null)
{
info.UploadServiceId = editorContext.ImageServiceId;
}
}
return(info);
}
internal static void UpdateImageSource(ImagePropertiesInfo imgProperties, IHTMLElement imgElement, IBlogPostImageEditingContext editorContext, ImageInsertHandler imageInsertHandler, ImageDecoratorInvocationSource invocationSource)
{
ISupportingFile oldImageFile = null;
try
{
oldImageFile = editorContext.SupportingFileService.GetFileByUri(new Uri((string)imgElement.getAttribute("src", 2)));
}
catch (UriFormatException) { }
if (oldImageFile != null) //then this is a known supporting image file
{
using (new WaitCursor())
{
BlogPostImageData imageData = BlogPostImageDataList.LookupImageDataByInlineUri(editorContext.ImageList, oldImageFile.FileUri);
if (imageData != null)
{
//Create a new ImageData object based on the image data attached to the current image src file.
BlogPostImageData newImageData = (BlogPostImageData)imageData.Clone();
//initialize some handlers for creating files based on the image's existing ISupportingFile objects
//This is necessary so that the new image files are recognized as being updates to an existing image
//which allows the updates to be re-uploaded back to the same location.
CreateImageFileHandler inlineFileCreator = new CreateImageFileHandler(editorContext.SupportingFileService,
newImageData.InlineImageFile != null ? newImageData.InlineImageFile.SupportingFile : null);
CreateImageFileHandler linkedFileCreator = new CreateImageFileHandler(editorContext.SupportingFileService,
newImageData.LinkedImageFile != null ? newImageData.LinkedImageFile.SupportingFile : null);
//re-write the image files on disk using the latest settings
imageInsertHandler.WriteImages(imgProperties, true, invocationSource, new CreateFileCallback(inlineFileCreator.CreateFileCallback), new CreateFileCallback(linkedFileCreator.CreateFileCallback), editorContext.EditorOptions);
//update the ImageData file references
Size imageSizeWithBorder = imgProperties.InlineImageSizeWithBorder;
//force a refresh of the image size values in the DOM by setting the new size attributes
imgElement.setAttribute("width", imageSizeWithBorder.Width, 0);
imgElement.setAttribute("height", imageSizeWithBorder.Height, 0);
newImageData.InlineImageFile.SupportingFile = inlineFileCreator.ImageSupportingFile;
newImageData.InlineImageFile.Height = imageSizeWithBorder.Height;
newImageData.InlineImageFile.Width = imageSizeWithBorder.Width;
if (imgProperties.LinkTarget == LinkTargetType.IMAGE)
{
newImageData.LinkedImageFile = new ImageFileData(linkedFileCreator.ImageSupportingFile, imgProperties.LinkTargetImageSize.Width, imgProperties.LinkTargetImageSize.Height, ImageFileRelationship.Linked);
}
else
{
newImageData.LinkedImageFile = null;
}
//assign the image decorators applied during WriteImages
//Note: this is a clone so the sidebar doesn't affect the decorator values for the newImageData image src file
newImageData.ImageDecoratorSettings = (BlogPostSettingsBag)imgProperties.ImageDecorators.SettingsBag.Clone();
//update the upload settings
newImageData.UploadInfo.ImageServiceId = imgProperties.UploadServiceId;
//save the new image data in the image list
editorContext.ImageList.AddImage(newImageData);
}
else
{
Debug.Fail("imageData could not be located");
}
}
}
if (imgProperties.LinkTarget == LinkTargetType.NONE)
{
imgProperties.RemoveLinkTarget();
}
}