private void webBrowserWiki_Navigating(object sender, WebBrowserNavigatingEventArgs e)
{
//For debugging, we need to remember that the following happens when you click on an internal link:
//1. This method fires. url includes 'wiki:'
//2. This causes LoadWikiPage method to fire. It loads the document text.
//3. Which causes this method to fire again. url is "about:blank".
//This doesn't seem to be a problem. We wrote it so that it won't go into an infinite loop, but it's something to be aware of.
if (e.Url.ToString() == "about:blank" || e.Url.ToString().StartsWith("about:blank#"))
{
//This is a typical wiki page OR this is an internal bookmark.
//We want to let the browser control handle the "navigation" so that it correctly loads the page OR simply auto scrolls to the div.
}
else if (e.Url.ToString().StartsWith("about:"))
{
//All other URLs that start with about: and do not have the required "blank#" are treated as malformed URLs.
e.Cancel = true;
return;
}
else if (e.Url.ToString().StartsWith("wiki:")) //user clicked on an internal link
//It is invalid to have more than one space in a row in URLs.
//When there is more than one space in a row, WebBrowserNavigatingEventArgs will convert the spaces into ' '
//In order for our internal wiki page links to work, we need to always replace the ' ' chars with spaces again.
{
string wikiPageTitle = Regex.Replace(e.Url.ToString(), @"\u00A0", " ").Substring(5);
WikiPage wikiPageDeleted = WikiPages.GetByTitle(wikiPageTitle, isDeleted: true); //Should most likely be null.
if (wikiPageDeleted != null)
{
if (MessageBox.Show(Lan.g(this, "WikiPage '") + wikiPageTitle + Lan.g(this, "' is currently archived. Would you like to restore it?"),
"", MessageBoxButtons.OKCancel) != DialogResult.OK)
{
e.Cancel = true;
return;
}
else
{
//User wants to restore the WikiPage.
WikiPages.WikiPageRestore(wikiPageDeleted, Security.CurUser.UserNum);
}
}
historyNavBack--; //We have to decrement historyNavBack to tell whether or not we need to branch our page history or add to page history
LoadWikiPage(wikiPageTitle);
e.Cancel = true;
return;
}
else if (e.Url.ToString().Contains("wikifile:"))
{
string fileName = e.Url.ToString().Substring(e.Url.ToString().LastIndexOf("wikifile:") + 9).Replace("/", "\\");
if (!File.Exists(fileName))
{
MessageBox.Show(Lan.g(this, "File does not exist: ") + fileName);
e.Cancel = true;
return;
}
try {
System.Diagnostics.Process.Start(fileName);
}
catch (Exception ex) {
ex.DoNothing();
}
e.Cancel = true;
return;
}
else if (e.Url.ToString().Contains("folder:"))
{
string folderName = e.Url.ToString().Substring(e.Url.ToString().LastIndexOf("folder:") + 7).Replace("/", "\\");
if (!Directory.Exists(folderName))
{
MessageBox.Show(Lan.g(this, "Folder does not exist: ") + folderName);
e.Cancel = true;
return;
}
try {
System.Diagnostics.Process.Start(folderName);
}
catch (Exception ex) {
ex.DoNothing();
}
e.Cancel = true;
return;
}
else if (e.Url.ToString().Contains("wikifilecloud:"))
{
string fileName = e.Url.ToString().Substring(e.Url.ToString().LastIndexOf("wikifilecloud:") + 14);
if (!FileAtoZ.Exists(fileName))
{
MessageBox.Show(Lan.g(this, "File does not exist: ") + fileName);
e.Cancel = true;
return;
}
try {
FileAtoZ.StartProcess(fileName);
}
catch (Exception ex) {
ex.DoNothing();
}
e.Cancel = true;
return;
}
else if (e.Url.ToString().Contains("foldercloud:"))
{
string folderName = e.Url.ToString().Substring(e.Url.ToString().LastIndexOf("foldercloud:") + 12);
if (!FileAtoZ.DirectoryExists(folderName))
{
MessageBox.Show(Lan.g(this, "Folder does not exist: ") + folderName);
e.Cancel = true;
return;
}
try {
FileAtoZ.OpenDirectory(folderName);
}
catch (Exception ex) {
ex.DoNothing();
}
e.Cancel = true;
return;
}
else if (e.Url.ToString().StartsWith("http")) //navigating outside of wiki by clicking a link
{
try {
System.Diagnostics.Process.Start(e.Url.ToString());
}
catch (Exception ex) {
ex.DoNothing();
}
e.Cancel = true; //Stops the page from loading in FormWiki.
return;
}
}
