void FavoritesOnDropDownOpening(object objSrc, EventArgs args)
{
ToolStripMenuItem itemFavorites = objSrc as ToolStripMenuItem;
BrowserChild bc = ActiveMdiChild as BrowserChild;
// Remove everything from the drop-down menu.
itemFavorites.DropDownItems.Clear();
itemAdd = new ToolStripMenuItem("&Add to favorites");
itemAdd.Enabled = (bc != null);
itemAdd.Click += AddOnClick;
itemFavorites.DropDownItems.Add(itemAdd);
itemSetHome = new ToolStripMenuItem("&Make this your home");
itemSetHome.Enabled = (bc != null);
itemSetHome.Click += SetHomeOnClick;
itemFavorites.DropDownItems.Add(itemSetHome);
itemFavorites.DropDownItems.Add(new ToolStripSeparator());
// Add favorites to the menu;
foreach (Favorite fav in settings.Favorites)
{
ToolStripMenuItem item = new ToolStripMenuItem();
item.Text = fav.Title;
item.Tag = fav.Url;
item.Click += FavoriteOnClick;
itemFavorites.DropDownItems.Add(item);
}
}
// The Go method goes to a URL and optionally adds it to the list.
void Go(string strUrl, bool bAddToList)
{
BrowserChild bcNew = new BrowserChild();
bcNew.MdiParent = this;
bcNew.Icon = Icon;
bcNew.WebBrowser.Navigate(strUrl);
// We're setting these from the settings object, but not
// updating them. That would require installing event
// handlers for Resize and saving the user's last
// preference.
bcNew.Bounds = settings.ChildWindowBounds;
bcNew.WindowState = settings.ChildWindowState;
bcNew.Show();
// If the URL was typed in manually, add it to the list
// to be displayed by the combo boxes.
if (bAddToList)
{
if (settings.ManualUrls.IndexOf(strUrl) == -1)
{
settings.ManualUrls.Add(strUrl);
settings.ManualUrls.Sort();
settings.Save(strAppData);
}
}
}
// When active MDI Child changes, alter event handlers and ToolStrip.
protected override void OnMdiChildActivate(EventArgs args)
{
base.OnMdiChildActivate(args);
if (bcLastActive != null)
{
bcLastActive.WebBrowser.CanGoBackChanged -= OnCanGoBackChanged;
bcLastActive.WebBrowser.CanGoForwardChanged -= OnCanGoForwardChanged;
}
BrowserChild bc = ActiveMdiChild as BrowserChild;
if (bc != null)
{
bc.WebBrowser.CanGoBackChanged += OnCanGoBackChanged;
bc.WebBrowser.CanGoForwardChanged += OnCanGoForwardChanged;
btnBack.Enabled = bc.WebBrowser.CanGoBack;
btnForward.Enabled = bc.WebBrowser.CanGoForward;
}
else
{
btnBack.Enabled = false;
btnForward.Enabled = false;
}
btnStop.Enabled = (bc != null);
btnRefresh.Enabled = (bc != null);
btnHome.Enabled = (bc != null);
btnPrint.Enabled = (bc != null);
bcLastActive = bc;
}
void SetHomeOnClick(object objSrc, EventArgs args)
{
BrowserChild bc = ActiveMdiChild as BrowserChild;
if (bc != null)
{
settings.Home = bc.WebBrowser.Url.ToString();
}
}
void PrintOnClick(object objSrc, EventArgs args)
{
BrowserChild bcActive = ActiveMdiChild as BrowserChild;
if (bcActive != null)
{
bcActive.WebBrowser.Print();
}
}
void FileOnDropDownOpening(object objSrc, EventArgs args)
{
BrowserChild bcActive = ActiveMdiChild as BrowserChild;
itemSaveAs.Enabled = (bcActive != null);
itemPrint.Enabled = (bcActive != null);
itemPreview.Enabled = (bcActive != null);
itemProps.Enabled = (bcActive != null);
}
void PropertiesOnClick(object objSrc, EventArgs args)
{
BrowserChild bcActive = ActiveMdiChild as BrowserChild;
if (bcActive != null)
{
bcActive.WebBrowser.ShowPropertiesDialog();
}
}
void PageSetupOnClick(object objSrc, EventArgs args)
{
BrowserChild bcActive = ActiveMdiChild as BrowserChild;
if (bcActive != null)
{
bcActive.WebBrowser.ShowPageSetupDialog();
}
}
void HomeOnClick(object objSrc, EventArgs args)
{
BrowserChild bc = ActiveMdiChild as BrowserChild;
if (bc != null)
{
bc.WebBrowser.Url = new Uri(settings.Home);
}
}
void RefreshOnClick(object objSrc, EventArgs args)
{
BrowserChild bc = ActiveMdiChild as BrowserChild;
if (bc != null)
{
bc.WebBrowser.Refresh();
}
}
void StopOnClick(object objSrc, EventArgs args)
{
BrowserChild bc = ActiveMdiChild as BrowserChild;
if (bc != null)
{
bc.WebBrowser.Stop();
}
}
void ForwardOnClick(object objSrc, EventArgs args)
{
BrowserChild bc = ActiveMdiChild as BrowserChild;
if (bc != null)
{
bc.WebBrowser.GoForward();
}
}
void AddOnClick(object objSrc, EventArgs args)
{
BrowserChild bc = ActiveMdiChild as BrowserChild;
if (bc != null)
{
Favorite fav = new Favorite(bc.WebBrowser.DocumentTitle,
bc.WebBrowser.Url.ToString());
settings.Favorites.Add(fav);
settings.Favorites.Sort();
settings.Save(strAppData);
}
}
void NewOnClick(object objSrc, EventArgs args)
{
BrowserChild bcActive = ActiveMdiChild as BrowserChild;
string strUrl;
if (bcActive != null)
{
strUrl = bcActive.WebBrowser.Url.ToString();
}
else
{
strUrl = settings.Home;
}
Go(strUrl, false);
}
// Event handler for View menu dropping down.
void ViewOnDropDownOpening(object objSrc, EventArgs args)
{
BrowserChild bc = ActiveMdiChild as BrowserChild;
bool bActiveChild = bc != null;
// Disable all these items if there's no active MDI child.
itemBack.Enabled = bActiveChild;
itemForward.Enabled = bActiveChild;
itemStop.Enabled = bActiveChild;
itemRefresh.Enabled = bActiveChild;
itemHome.Enabled = bActiveChild;
itemSource.Enabled = bActiveChild;
// If there's an active child, enable these items based on properties.
if (bActiveChild)
{
itemBack.Enabled = bc.WebBrowser.CanGoBack;
itemForward.Enabled = bc.WebBrowser.CanGoForward;
}
}
// View Source menu item.
void ViewSourceOnClick(object objSrc, EventArgs args)
{
BrowserChild bc = ActiveMdiChild as BrowserChild;
if (bc != null)
{
Form frm = new Form();
frm.Text = bc.WebBrowser.DocumentTitle;
TextBox txtbox = new TextBox();
txtbox.Parent = frm;
txtbox.Multiline = true;
txtbox.WordWrap = false;
txtbox.ScrollBars = ScrollBars.Both;
txtbox.Dock = DockStyle.Fill;
txtbox.Text = bc.WebBrowser.DocumentText;
txtbox.Select(0, 0);
frm.Show();
}
}
