public ExtendedWebBrowser New(bool navigateHome)
{
// Create a new tab page
TabPageEx page = new TabPageEx();
// Create a new browser control
BrowserControl browserControl = new BrowserControl();
// Set the page as the Tag of the browser control, and vice-versa, this will come in handy later
browserControl.Tag = page;
page.Tag = browserControl;
page.Text = Properties.Resources.DefaultBrowserTitle;
browserControl.ShowAddressBar = showAddressBar;
// Dock the browser control
browserControl.Dock = DockStyle.Fill;
// Add the browser control to the tab page
page.Controls.Add(browserControl);
if (navigateHome)
{
// Navigate to the home page
browserControl.WebBrowser.GoHome();
}
// Wire some events
browserControl.WebBrowser.StatusTextChanged += new EventHandler(WebBrowser_StatusTextChanged);
browserControl.WebBrowser.DocumentTitleChanged += new EventHandler(WebBrowser_DocumentTitleChanged);
browserControl.WebBrowser.CanGoBackChanged += new EventHandler(WebBrowser_CanGoBackChanged);
browserControl.WebBrowser.CanGoForwardChanged += new EventHandler(WebBrowser_CanGoForwardChanged);
browserControl.WebBrowser.Navigated += new WebBrowserNavigatedEventHandler(WebBrowser_Navigated);
browserControl.WebBrowser.DocumentCompleted += new WebBrowserDocumentCompletedEventHandler(WebBrowser_DocumentCompleted);
browserControl.WebBrowser.Quit += new EventHandler(WebBrowser_Quit);
// Add the new page to the tab control
_tabControl.TabPages.Add(page);
_tabControl.SelectedTab = page;
_tabControl.Visible = true;
return(browserControl.WebBrowser);
}
void WebBrowser_StatusTextChanged(object sender, EventArgs e)
{
// First, see if the active page is calling, or another page
ExtendedWebBrowser ewb = sender as ExtendedWebBrowser;
// Return if we got nothing (shouldn't happen)
if (ewb == null)
{
return;
}
// This is a little nasty. The Extended Web Browser is nested in
// a panel, wich is nested in the browser control
BrowserControl bc = BrowserControlFromBrowser(ewb);
// The Tag of the BrowserControl should point to the TabPageEx
TabPageEx page = bc.Tag as TabPageEx;
// If not, return
if (page == null)
{
return;
}
// See if 'page' is the active page
if (this._tabControl.SelectedTab == page)
{
// Yep, send the event that updates the status bar text
OnStatusTextChanged(new TextChangedEventArgs(ewb.StatusText));
}
}
void WebBrowser_Quit(object sender, EventArgs e)
{
// This event is launched when window.close() is called from script
ExtendedWebBrowser brw = sender as ExtendedWebBrowser;
if (brw == null)
{
return;
}
// See which page it was on...
BrowserControl bc = BrowserControlFromBrowser(brw);
if (bc == null)
{
return;
}
TabPageEx page = bc.Tag as TabPageEx;
if (page == null)
{
return;
}
// We got a page, remove & dispose it.
_tabControl.TabPages.Remove(page);
page.Dispose();
if (_tabControl.TabPages.Count == 0)
{
_tabControl.Visible = false;
}
}
void WebBrowser_DocumentTitleChanged(object sender, EventArgs e)
{
// Update the title of the tab page of the control.
ExtendedWebBrowser ewb = sender as ExtendedWebBrowser;
// Return if we got nothing (shouldn't happen)
if (ewb == null)
{
return;
}
// This is a little nasty. The Extended Web Browser is nested in
// a panel, wich is nested in the browser control
BrowserControl bc = BrowserControlFromBrowser(ewb);
// If we got null, return
if (bc == null)
{
return;
}
// The Tag of the BrowserControl should point to the TabPageEx
TabPageEx page = bc.Tag as TabPageEx;
// If not, return
if (page == null)
{
return;
}
// Update the tabPage
// Keep it user-friendly, don't do those awful long web page titles
// in tabs and make sure the title is never empty
string documentTitle = ewb.DocumentTitle;
if (string.IsNullOrEmpty(documentTitle))
{
documentTitle = Properties.Resources.DefaultBrowserTitle;
}
else if (documentTitle.Length > 30)
{
documentTitle = documentTitle.Substring(0, 30) + "...";
}
page.Text = documentTitle;
// Set the full title as a tooltip
page.ToolTipText = ewb.DocumentTitle;
}
/// <summary>
/// Closes the active tab
/// </summary>
public void Close()
{
// Find the active page
TabPageEx page = (TabPageEx)this._tabControl.SelectedTab;
// Check wheter there is actually a page selected
if (page != null)
{
// Remove the page
this._tabControl.TabPages.Remove(page);
// Dispose the page (controls on the page are also disposed this way)
page.Dispose();
}
if (_tabControl.TabPages.Count == 0)
{
_tabControl.Visible = false;
}
}
