/// <summary>
/// Creates a set of BlogTemplateFiles using a specific region locator strategy.
/// </summary>
/// <param name="progress"></param>
/// <param name="regionLocatorStrategy"></param>
/// <param name="templateStrategies"></param>
/// <param name="templateTypes"></param>
/// <returns></returns>
private BlogEditingTemplateFile[] GetBlogTemplateFiles(IProgressHost progress, BlogPostRegionLocatorStrategy regionLocatorStrategy, BlogEditingTemplateStrategy[] templateStrategies, BlogEditingTemplateType[] templateTypes)
{
BlogEditingTemplateFile[] blogTemplateFiles = null;
try
{
regionLocatorStrategy.PrepareRegions(new ProgressTick(progress, 25, 100));
ArrayList templateFiles = new ArrayList();
ProgressTick tick = new ProgressTick(progress, 50, 100);
for (int i = 0; i < templateTypes.Length; i++)
{
ProgressTick parseTick = new ProgressTick(tick, 1, templateTypes.Length);
try
{
CheckCancelRequested(parseTick);
templateStrategy = templateStrategies[i];
// Parse the blog post HTML into an editing template.
// Note: we can't use MarkupServices to parse the document from a non-UI thread,
// so we have to execute the parsing portion of the template download operation on the UI thread.
string editingTemplate = ParseWebpageIntoEditingTemplate_OnUIThread(_parentControl, regionLocatorStrategy, new ProgressTick(parseTick, 1, 5));
// check for cancel
CheckCancelRequested(parseTick);
string baseUrl = HTMLDocumentHelper.GetBaseUrl(editingTemplate, _blogHomepageUrl);
// Download the template stylesheets and embedded resources (this lets the editing template load faster..and works offline!)
string templateFile = DownloadTemplateFiles(editingTemplate, baseUrl, new ProgressTick(parseTick, 4, 5));
templateFiles.Add(new BlogEditingTemplateFile(templateTypes[i], templateFile));
}
catch (BlogClientAbortGettingTemplateException)
{
Trace.WriteLine(String.Format(CultureInfo.CurrentCulture, "Failed to download template {0}. Aborting getting further templates", templateTypes[i].ToString()));
throw;
}
catch (Exception e)
{
Trace.WriteLine(String.Format(CultureInfo.CurrentCulture, "Failed to download template {0}: {1}", templateTypes[i].ToString(), e.ToString()));
}
}
if (templateFiles.Count > 0)
{
blogTemplateFiles = (BlogEditingTemplateFile[])templateFiles.ToArray(typeof(BlogEditingTemplateFile));
}
}
finally
{
regionLocatorStrategy.CleanupRegions(new ProgressTick(progress, 25, 100));
}
return(blogTemplateFiles);
}
/// <summary>
/// Creates a set of BlogTemplateFiles using a specific region locator strategy.
/// </summary>
/// <param name="progress"></param>
/// <param name="regionLocatorStrategy"></param>
/// <param name="templateStrategies"></param>
/// <param name="templateTypes"></param>
/// <param name="targetUrl">
/// The URL to analyze. If a post can be located, but not the body, this is used
/// to reiterate into the post it fetch it's content directly.
/// </param>
/// <returns></returns>
private BlogEditingTemplateFile[] GetBlogTemplateFiles(IProgressHost progress, BlogPostRegionLocatorStrategy regionLocatorStrategy, BlogEditingTemplateStrategy[] templateStrategies, BlogEditingTemplateType[] templateTypes, string targetUrl)
{
BlogEditingTemplateFile[] blogTemplateFiles = null;
try
{
regionLocatorStrategy.PrepareRegions(new ProgressTick(progress, 25, 100));
ArrayList templateFiles = new ArrayList();
ProgressTick tick = new ProgressTick(progress, 50, 100);
for (int i = 0; i < templateTypes.Length; i++)
{
ProgressTick parseTick = new ProgressTick(tick, 1, templateTypes.Length);
try
{
CheckCancelRequested(parseTick);
templateStrategy = templateStrategies[i];
// Clear _nextTryPostUrl flag
_nextTryPostUrl = null;
// Parse the blog post HTML into an editing template.
// Note: we can't use MarkupServices to parse the document from a non-UI thread,
// so we have to execute the parsing portion of the template download operation on the UI thread.
string editingTemplate = ParseWebpageIntoEditingTemplate_OnUIThread(_parentControl, regionLocatorStrategy, new ProgressTick(parseTick, 1, 5), targetUrl);
// If there's no editing template, there should be a URL to try next
Debug.Assert(editingTemplate != null || (editingTemplate == null && _nextTryPostUrl != null));
// If the homepage has just been analysed and the _nextTryPostUrl flag is set
if (targetUrl == _blogHomepageUrl && _nextTryPostUrl != null && regionLocatorStrategy.CanRefetchPage)
{
// Try fetching the URL that has been specified, and reparse
progress.UpdateProgress(Res.Get(StringId.ProgressDownloadingWeblogEditingStyleDeep));
// Fetch the post page
regionLocatorStrategy.FetchTemporaryPostPage(SilentProgressHost.Instance, _nextTryPostUrl);
// Parse out the template
editingTemplate = ParseWebpageIntoEditingTemplate_OnUIThread(_parentControl, regionLocatorStrategy, new ProgressTick(parseTick, 1, 5), _nextTryPostUrl);
}
// check for cancel
CheckCancelRequested(parseTick);
string baseUrl = HTMLDocumentHelper.GetBaseUrl(editingTemplate, _blogHomepageUrl);
// Download the template stylesheets and embedded resources (this lets the editing template load faster..and works offline!)
string templateFile = DownloadTemplateFiles(editingTemplate, baseUrl, new ProgressTick(parseTick, 4, 5));
templateFiles.Add(new BlogEditingTemplateFile(templateTypes[i], templateFile));
}
catch (BlogClientAbortGettingTemplateException)
{
Trace.WriteLine(String.Format(CultureInfo.CurrentCulture, "Failed to download template {0}. Aborting getting further templates", templateTypes[i].ToString()));
throw;
}
catch (Exception e)
{
Trace.WriteLine(String.Format(CultureInfo.CurrentCulture, "Failed to download template {0}: {1}", templateTypes[i].ToString(), e.ToString()));
}
}
if (templateFiles.Count > 0)
{
blogTemplateFiles = (BlogEditingTemplateFile[])templateFiles.ToArray(typeof(BlogEditingTemplateFile));
}
}
finally
{
regionLocatorStrategy.CleanupRegions(new ProgressTick(progress, 25, 100));
}
return(blogTemplateFiles);
}