/// <summary>
/// Adds a url to the user's saved favourites list.
/// Will not work if name entered is a duplicate.
/// </summary>
/// <param name="name">The name to be associated with this favourite</param>
/// <param name="url">THe url to be favourited</param>
public static void AddFavourite(String name, String url)
{
if (!Favourites.ContainsKey(name))
{
try
{
using (StreamWriter sw = File.AppendText(savedPagesFileName))
{
sw.WriteLine("f," + name + "," + url);
}
logBox.Text = "Favourite added with name: " + name;
//Add favourite within program before writing to file. Ensures user doesn't see update in program but changes are not saved.
Favourites.Add(name, url);
foreach (TabUserControl tab in AllTabs)
{
tab.RefreshFavouritesBox();
}
}
catch (IOException ioe)
{
logBox.Text = "Failed to add favourite, error saving data.";
}
catch (Exception e)
{
logBox.Text = "Failed to add favourite, unknown error." + e.Message;;
}
}
else
{
logBox.Text = "You tried to add a favourite with a duplicate name. Favourite not added. Name: " + name;
}
}
/// <summary>
/// Removes one or more favourites from the user's current list.
/// </summary>
/// <param name="names">A list of the names of all favourites to remove</param>
public static void RemoveFavourites(List <string> names)
{
if (names == null)
{
logBox.Text = "Error removing favourites.";
return;
}
foreach (string name in names)
{
if (Favourites.ContainsKey(name))
{
Favourites.Remove(name);
}
}
foreach (TabUserControl tab in AllTabs)
{
tab.RefreshFavouritesBox();
}
try
{
using (StreamWriter sw = new StreamWriter(savedPagesFileName))
{
sw.WriteLine("h," + homeUrl); //Save homepage
foreach (KeyValuePair <string, string> favourite in Favourites)
{
sw.WriteLine("f," + favourite.Key + "," + favourite.Value);
}
}
}catch (IOException ioe)
{
logBox.Text = "Error removing favourites from saved data.";
}
catch (Exception e)
{
logBox.Text = "Unexpected error removing favourites." + e.Message;
}
}
/// <summary>
/// Loads the user's favourites from a file if there is one.
/// </summary>
private void LoadFavourites()
{
if (File.Exists(savedPagesFileName)) //Check if the file where home page is stored exists
{
using (StreamReader sr = new StreamReader(savedPagesFileName)) //Read through the file of saved pages
{
string line = "";
while ((line = sr.ReadLine()) != null)
{
String[] parts = line.Split(',');
if (parts.Length == 3 && parts[0].Equals("f")) //If a saved favourite
{
if (!Favourites.ContainsKey(parts[1]))
{
Favourites.Add(parts[1], parts[2]);
}
}
}
RefreshFavouritesBox();
}
}
}