public SemanticHtmlGalleryCommand(CommandId commandId, IBlogPostEditingSite editingSite, TemplateHtmlDelegate templateHtmlDelegate, CommandManager commandManager, IHtmlEditorComponentContext componentContext)
: base(commandId)
{
_editingSite = editingSite;
_componentContext = componentContext;
_elements = new List <SemanticHtmlElementInfo>(7);
_elements.Add(new SemanticHtmlElementInfo("p", _ELEMENT_TAG_ID.TAGID_P, Res.Get(StringId.Paragraph), SemanticHtmlPreviewManager.PreviewId_P, CommandId.ApplySemanticParagraph));
_elements.Add(new SemanticHtmlElementInfo("h1", _ELEMENT_TAG_ID.TAGID_H1, Res.Get(StringId.Heading1), SemanticHtmlPreviewManager.PreviewId_H1, CommandId.ApplySemanticHeader1));
_elements.Add(new SemanticHtmlElementInfo("h2", _ELEMENT_TAG_ID.TAGID_H2, Res.Get(StringId.Heading2), SemanticHtmlPreviewManager.PreviewId_H2, CommandId.ApplySemanticHeader2));
_elements.Add(new SemanticHtmlElementInfo("h3", _ELEMENT_TAG_ID.TAGID_H3, Res.Get(StringId.Heading3), SemanticHtmlPreviewManager.PreviewId_H3, CommandId.ApplySemanticHeader3));
_elements.Add(new SemanticHtmlElementInfo("h4", _ELEMENT_TAG_ID.TAGID_H4, Res.Get(StringId.Heading4), SemanticHtmlPreviewManager.PreviewId_H4, CommandId.ApplySemanticHeader4));
_elements.Add(new SemanticHtmlElementInfo("h5", _ELEMENT_TAG_ID.TAGID_H5, Res.Get(StringId.Heading5), SemanticHtmlPreviewManager.PreviewId_H5, CommandId.ApplySemanticHeader5));
_elements.Add(new SemanticHtmlElementInfo("h6", _ELEMENT_TAG_ID.TAGID_H6, Res.Get(StringId.Heading6), SemanticHtmlPreviewManager.PreviewId_H6, CommandId.ApplySemanticHeader6));
_previewManager = new SemanticHtmlPreviewManager(_editingSite, templateHtmlDelegate, RibbonHelper.InGalleryImageWidth, RibbonHelper.InGalleryImageHeightWithoutLabel);
_ids = new string[_elements.Count];
for (int i = 0; i < _ids.Length; i++)
{
_ids[i] = _elements[i].HtmlId;
int index = i;
OverridableCommand command = new OverridableCommand(_elements[i].CommandId);
command.Execute += (sender, e) => SelectedIndex = index;
commandManager.Add(command);
}
}
private void screenCapture_HtmlScreenCaptureAvailable(object sender, HtmlScreenCaptureAvailableEventArgsCore e)
{
if (e.CaptureCompleted && e.Bitmap != null)
{
// Ensure that the path exists
try
{
// Problem because this check is pumping messages on bg thread?
string directory = BlogEditingTemplate.GetBlogTemplateDir(_blogId);
if (!Directory.Exists(directory))
{
Directory.CreateDirectory(directory);
}
}
catch (Exception ex)
{
Trace.Fail(ex.ToString());
return;
}
// Now we should have all of the element images
foreach (string elementId in _screenCapture.Ids)
{
using (Bitmap elementBitmap = _screenCapture.GetElementCaptureProperties(elementId).Bitmap)
{
// Warning. elementBitmap may be null.
string path = SemanticHtmlPreviewManager.GetPreviewBitmapPath(_blogId, elementId);
try
{
// We take the lock here to ensure that we don't try to read a halfway-written file on the UI thread.
lock (_previewLock)
{
ElementCaptureProperties properties = _screenCapture.GetElementCaptureProperties(elementId);
using (Bitmap previewBitmap = GetGalleryPreviewImageFromElementImage(elementBitmap, _previewImageWidth, _previewImageHeight, properties.BackgroundColor, properties.Padding, _isRtl))
{
previewBitmap.Save(path);
}
}
}
catch (Exception ex)
{
Trace.WriteLine("Failed to get preview image for blog(" + _blogId + ") and element(" + elementId + "): " + ex);
try
{
File.Delete(path);
}
catch (Exception ex2)
{
Trace.WriteLine("Failed to delete preview image after failing to get it:" + ex2);
}
return;
}
}
}
try
{
_editingSite.FrameWindow.Invoke(new ThreadStart(() => _editingSite.CommandManager.Invalidate(
CommandId.SemanticHtmlGallery)), null);
}
catch (Exception ex)
{
Trace.WriteLine("NotifyWeblogStylePreviewChanged failed: " + ex.Message);
}
}
}
