private void InitializePreviewBrowser()
{
PreviewBrowser.Navigated += (sender, e) =>
{
// No Script Errors
NoScriptErrors(PreviewBrowser, true);
};
PreviewBrowser.LoadCompleted += (sender, e) =>
{
if (e.Uri.ToString().Contains("about:blank"))
{
return;
}
var editor = GetActiveMarkdownEditor();
dynamic dom = PreviewBrowser.Document;
dom.documentElement.scrollTop = editor.MarkdownDocument.LastBrowserScrollPosition;
new Timer((editr) =>
{
try
{
if (File.Exists(editor.MarkdownDocument.HtmlRenderFilename))
{
File.Delete(editor.MarkdownDocument.HtmlRenderFilename);
}
}
catch
{ }
}, null, 2000, Timeout.Infinite);
};
PreviewBrowser.Navigate("about:blank");
}
public EditArticleWindow(NewspaperArticle article)
{
InitializeComponent();
DataContext = new EditArticleViewModel(article);
//PreviewBrowser.NavigateToString("<html><head><meta http-equiv='Content-Type' content='text/html; charset=utf-8'></head><body style='border: solid 1px gray'><div style='text-align:center;margin-top:100px;'>Тут появится статья</div></body></html>");
ViewModel.ShowHtml = () =>
{
var ph = Path.Combine(Environment.CurrentDirectory, "ArticlePreview/Article.htm");
PreviewBrowser.Navigate("file:///" + ph);
};
ViewModel.Init();
}
private void TreeTopicBrowser_SelectedItemChanged(object sender, RoutedPropertyChangedEventArgs <object> e)
{
SelectedTopic = TopicPicker.SelectedTopic;
if (SelectedTopic == null)
{
return;
}
var doc = new MarkdownDocument();
doc.Load(SelectedTopic.GetTopicFileName());
doc.RenderHtmlToFile();
PreviewBrowser.Navigate(doc.HtmlRenderFilename);
}
/// <summary>
/// Shows or hides the preview browser
/// </summary>
/// <param name="hide"></param>
public void ShowPreviewBrowser(bool hide = false)
{
if (!hide)
{
PreviewBrowser.Visibility = Visibility.Visible;
ContentGrid.ColumnDefinitions[1].Width = new GridLength(12);
ContentGrid.ColumnDefinitions[2].Width = new GridLength(Width / 2 - 40);
}
else
{
if (ContentGrid.ColumnDefinitions[2].Width.Value > 100)
{
mmApp.Configuration.WindowPosition.SplitterPosition = Convert.ToInt32(ContentGrid.ColumnDefinitions[2].Width.Value);
}
ContentGrid.ColumnDefinitions[1].Width = new GridLength(0);
ContentGrid.ColumnDefinitions[2].Width = new GridLength(0);
PreviewBrowser.Navigate("about:blank");
}
}
public void PreviewMarkdown(MarkdownDocumentEditor editor = null, bool keepScrollPosition = false, bool showInBrowser = false)
{
if (!Model.IsPreviewBrowserVisible && !showInBrowser)
{
return;
}
if (editor == null)
{
editor = GetActiveMarkdownEditor();
}
if (editor == null)
{
return;
}
var doc = editor.MarkdownDocument;
var ext = Path.GetExtension(editor.MarkdownDocument.Filename).ToLower().Replace(".", "");
int lastPos = 0;
dynamic dom = null;
if (string.IsNullOrEmpty(ext) || ext == "md" || ext == "html" || ext == "htm")
{
this.ShowPreviewBrowser();
if (keepScrollPosition)
{
dom = PreviewBrowser.Document;
editor.MarkdownDocument.LastBrowserScrollPosition = dom.documentElement.scrollTop;
}
else
{
editor.MarkdownDocument.LastBrowserScrollPosition = 0;
}
if (ext == "html" || ext == "htm")
{
File.WriteAllText(editor.MarkdownDocument.HtmlRenderFilename, editor.MarkdownDocument.CurrentText);
}
else
{
editor.MarkdownDocument.RenderHtmlToFile();
}
if (showInBrowser)
{
ShellUtils.GoUrl(editor.MarkdownDocument.HtmlRenderFilename);
}
else
{
PreviewBrowser.Cursor = Cursors.None;
PreviewBrowser.ForceCursor = true;
if (keepScrollPosition &&
PreviewBrowser.Source.ToString() == editor.MarkdownDocument.HtmlRenderFilename)
{
PreviewBrowser.Refresh(true);
}
else
{
PreviewBrowser.Navigate(editor.MarkdownDocument.HtmlRenderFilename);
}
}
}
else
{
ShowPreviewBrowser(true);
}
}
/// <summary>
/// Closes a tab and ask for confirmation if the tab doc
/// is dirty.
/// </summary>
/// <param name="tab"></param>
/// <returns>true if tab can close, false if it should stay open</returns>
public bool CloseTab(TabItem tab)
{
if (tab == null)
{
return(false);
}
var editor = tab.Tag as MarkdownDocumentEditor;
if (editor == null)
{
return(false);
}
bool returnValue = true;
var doc = editor.MarkdownDocument;
if (!string.IsNullOrEmpty(doc.HtmlRenderFilename) && File.Exists(doc.HtmlRenderFilename))
{
File.Delete(doc.HtmlRenderFilename);
}
if (doc.IsDirty)
{
var res = MessageBox.Show(Path.GetFileName(doc.Filename) + "\r\n\r\nhas been modified.\r\n" +
"Do you want to save changes?",
"Save Document",
MessageBoxButton.YesNoCancel, MessageBoxImage.Question, MessageBoxResult.Cancel);
if (res == MessageBoxResult.Cancel)
{
return(false); // don't close
}
else if (res == MessageBoxResult.No)
{
// close but don't save
}
else
{
if (doc.Filename == "untitled")
{
Model.SaveAsCommand.Execute(ButtonSaveAsFile);
}
else if (!SaveFile())
{
returnValue = false;
}
}
}
tab.Tag = null;
TabControl.Items.Remove(tab);
if (TabControl.Items.Count == 0)
{
PreviewBrowser.Visibility = Visibility.Hidden;
PreviewBrowser.Navigate("about:blank");
Model.ActiveDocument = null;
}
return(returnValue); // close
}
public void PreviewMarkdown(MarkdownDocumentEditor editor = null, bool keepScrollPosition = false, bool showInBrowser = false)
{
// only render if the preview is actually visible and rendering in Preview Browser
if (!Model.IsPreviewBrowserVisible && !showInBrowser)
{
return;
}
if (editor == null)
{
editor = GetActiveMarkdownEditor();
}
if (editor == null)
{
return;
}
var doc = editor.MarkdownDocument;
var ext = Path.GetExtension(doc.Filename).ToLower().Replace(".", "");
string renderedHtml = null;
if (string.IsNullOrEmpty(ext) || ext == "md" || ext == "html" || ext == "htm")
{
dynamic dom = null;
if (keepScrollPosition)
{
dom = PreviewBrowser.Document;
editor.MarkdownDocument.LastBrowserScrollPosition = dom.documentElement.scrollTop;
}
else
{
ShowPreviewBrowser(false, false);
editor.MarkdownDocument.LastBrowserScrollPosition = 0;
}
if (ext == "html" || ext == "htm")
{
editor.MarkdownDocument.WriteFile(editor.MarkdownDocument.HtmlRenderFilename, editor.MarkdownDocument.CurrentText);
}
else
{
renderedHtml = editor.MarkdownDocument.RenderHtmlToFile();
}
if (showInBrowser)
{
ShellUtils.GoUrl(editor.MarkdownDocument.HtmlRenderFilename);
}
else
{
PreviewBrowser.Cursor = Cursors.None;
PreviewBrowser.ForceCursor = true;
if (keepScrollPosition)
{
string browserUrl = PreviewBrowser.Source.ToString().ToLower();
string documentFile = "file:///" + editor.MarkdownDocument.HtmlRenderFilename.Replace('\\', '/').ToLower();
if (browserUrl == documentFile)
{
dom = PreviewBrowser.Document;
//var content = dom.getElementById("MainContent");
renderedHtml = StringUtils.ExtractString(renderedHtml,
"<!-- Markdown Monster Content -->",
"<!-- End Markdown Monster Content -->");
if (string.IsNullOrEmpty(renderedHtml))
{
PreviewMarkdown(editor, false, false); // fully reload document
}
else
{
try
{
// explicitly update the document with JavaScript code
// much more efficient and non-jumpy and no wait cursor
var window = dom.parentWindow;
window.updateDocumentContent(renderedHtml);
}
catch
{
PreviewBrowser.Refresh(true);
}
}
return;
}
}
PreviewBrowser.Navigate(editor.MarkdownDocument.HtmlRenderFilename);
return;
}
}
ShowPreviewBrowser(true, keepScrollPosition);
}
public void Navigate(string url)
{
PreviewBrowser.Navigate(url);
}